阅读说明：本技术 一种耐高温耐腐蚀玻璃纤维电子布及其制备方法 (High-temperature-resistant corrosion-resistant glass fiber electronic cloth and preparation method thereof ) 是由 罗华先 于 2020-11-23 设计创作，主要内容包括：本发明公开了一种耐高温耐腐蚀玻璃纤维电子布及其制备方法,所述电子布由预处理基布、涂覆在预处理基布表面的防腐涂层；所述防腐涂层主要由苯胺、盐酸、改性氧化石墨烯反应制得；所述改性氧化石墨烯各组分原料包括：以重量计,氧化石墨烯10-25份、二甲基甲酰胺10-25份、4,4’-二环己基甲烷二异氰酸酯15-20份、二月桂酸二丁基锡4-7份、填料8-10份。本申请公开了一种耐高温耐腐蚀玻璃纤维电子布及其制备方法,工艺设计合理,操作简单,制备得到的电子布不仅具有优异的耐腐蚀性能,还具有较优异的耐高温性性能,应用于覆铜板加工,实用性更高。(The invention discloses a high-temperature-resistant corrosion-resistant glass fiber electronic cloth and a preparation method thereof, wherein the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth; the anticorrosive coating is mainly prepared by reacting aniline, hydrochloric acid and modified graphene oxide; the modified graphene oxide comprises the following raw materials in parts by weight: by weight, 10-25 parts of graphene oxide, 10-25 parts of dimethylformamide, 15-20 parts of 4, 4' -dicyclohexylmethane diisocyanate, 4-7 parts of dibutyltin dilaurate and 8-10 parts of filler. The application discloses high-temperature-resistant and corrosion-resistant glass fiber electronic cloth and a preparation method thereof, the process design is reasonable, the operation is simple, the prepared electronic cloth not only has excellent corrosion resistance, but also has excellent high-temperature resistance, and the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth is applied to processing of copper-clad plates, and the practicability is higher.)

1. The high-temperature-resistant and corrosion-resistant glass fiber electronic cloth is characterized in that: the electronic cloth comprises a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth.

2. The high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 1, wherein: the anticorrosive coating is mainly prepared by reacting aniline, hydrochloric acid and modified graphene oxide.

3. The high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 2, wherein: the modified graphene oxide comprises the following raw materials in parts by weight: by weight, 10-25 parts of graphene oxide, 10-25 parts of dimethylformamide, 15-20 parts of 4, 4' -dicyclohexylmethane diisocyanate, 4-7 parts of dibutyltin dilaurate and 8-10 parts of filler.

4. The high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 3, wherein: the filler is mainly prepared by reacting aluminum isopropoxide, concentrated nitric acid, acetone, aniline, trimethylethoxysilane, erbium nitrate and yttrium nitrate.

5. The high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 1, wherein: the pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

6. A preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth is characterized by comprising the following steps: the method comprises the following steps:

1) preparing materials;

2) preparing modified graphene oxide:

a) taking aluminum isopropoxide and deionized water, stirring and reacting at 80-90 ℃, standing, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing stirring, adding erbium nitrate and yttrium nitrate, performing reflux reaction for 8-12h, drying at 90-100 ℃ for 12-14h, drying, placing at the temperature of 900-1000 ℃, performing heat preservation treatment, and cooling along with a furnace to obtain a filler;

b) mixing and stirring graphene oxide and dimethylformamide, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, performing ultrasonic dispersion, stirring and reacting for 20-22h in a nitrogen environment at the reaction temperature of 80-85 ℃, adding a filler, continuing stirring and reacting, filtering and washing, and performing vacuum drying to obtain modified graphene oxide;

3) taking glass fiber base cloth, carrying out heat treatment at the temperature of 400-450 ℃, then placing the glass fiber base cloth in an acetone solution for cleaning, drying for 6-8h at the temperature of 90-100 ℃, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting for 2-3h at the temperature of 25-28 ℃, drying at the temperature of 80-85 ℃, carrying out ultrasonic cleaning on ethanol, and drying at the temperature of 80-90 ℃ to obtain pretreated base cloth;

4) and (3) mixing and stirring aniline and hydrochloric acid solution, adding pretreated base cloth and modified graphene oxide, continuously stirring for 2-4h at 25-28 ℃, standing for reaction, performing suction filtration, washing and drying to obtain a finished product coated with an anticorrosive coating.

7. The preparation method of the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 6, characterized in that: the method comprises the following steps:

1) preparing materials;

2) preparing modified graphene oxide:

a) taking aluminum isopropoxide and deionized water, stirring and reacting for 1-2h at 80-90 ℃, standing for 40-50min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing to stir for 10-15min, adding erbium nitrate and yttrium nitrate, performing reflux reaction for 8-12h, drying for 12-14h at 90-100 ℃, placing at 900-1000 ℃ after drying, performing heat preservation for 1.5-2h, and cooling along with a furnace to obtain a filler;

b) mixing and stirring graphene oxide and dimethylformamide for 10-20min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, performing ultrasonic dispersion for 20-30min, stirring and reacting for 20-22h under a nitrogen environment, wherein the reaction temperature is 80-85 ℃, the stirring speed is 180-200r/min, adding a filler, continuously stirring and reacting for 1-2h, filtering, washing, and performing vacuum drying to obtain modified graphene oxide;

3) taking glass fiber base cloth, carrying out heat treatment at the temperature of 400-450 ℃, then placing the glass fiber base cloth in an acetone solution for cleaning for 20-30min, drying for 6-8h at the temperature of 90-100 ℃, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting for 2-3h at the temperature of 25-28 ℃, drying for 3-4h at the temperature of 80-85 ℃, carrying out ultrasonic cleaning for 20-30min by using ethanol, and drying at the temperature of 80-90 ℃ to obtain pretreated base cloth;

4) mixing aniline and hydrochloric acid solution, stirring for 30-40min, adding pretreated base cloth and modified graphene oxide, continuously stirring for 2-4h at 25-28 ℃, standing for reaction, performing suction filtration and washing, and drying at 40-50 ℃ to obtain a finished product coated with an anticorrosive coating.

8. The preparation method of the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 7, characterized in that: in the step 3), the heat treatment time is 1-1.5 h.

9. The preparation method of the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 7, characterized in that: in the step 3), the hydrochloric acid soaking time is 8-10 h.

10. The preparation method of the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth according to claim 7, characterized in that: in the step 4), the standing reaction time is 10-14 h.

Technical Field

The invention relates to the technical field of glass fiber, in particular to high-temperature-resistant and corrosion-resistant glass fiber electronic cloth and a preparation method thereof.

Background

With the development and development of science and technology, the emerging industrial application field represented by electronic technology gradually draws the attention of researchers and becomes one of the current hot research directions, and with the rapid rise of electronic technology, the requirements of electronic grade glass fiber products are higher and higher.

Electronic cloth refers to a generic term for electronic grade glass fiber cloth used in the electronics industry. It is a high-grade product in electronic grade glass fiber cloth. The main specifications include 7637, 7630, 7628, 7615, 1506, 2116, 2113, 3313, 1080, 106 and 104, and the electronic fabric is mainly used for manufacturing copper-clad plates, but the high temperature resistance and corrosion resistance of the existing electronic fabric still cannot meet the requirements of people, and in the actual electronic fabric processing process, folding operation often occurs, so that the coating is worn when the electronic fabric is folded and rubbed, which causes the condition that the coating of the electronic fabric is seriously worn but operators are unclear, so that the processing cost of the copper-clad plates is increased, the yield is reduced, certain potential safety hazards exist, and quantitative detection of the surface coating of the electronic fabric also becomes a problem which needs attention.

Based on the situation, the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth and the preparation method thereof are designed to solve the problem.

Disclosure of Invention

The invention aims to provide high-temperature-resistant and corrosion-resistant glass fiber electronic cloth and a preparation method thereof, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth.

According to an optimized scheme, the anticorrosive coating is mainly prepared by reacting aniline, hydrochloric acid and modified graphene oxide.

According to an optimized scheme, the modified graphene oxide comprises the following raw materials in parts by weight: by weight, 10-25 parts of graphene oxide, 10-25 parts of dimethylformamide, 15-20 parts of 4, 4' -dicyclohexylmethane diisocyanate, 4-7 parts of dibutyltin dilaurate and 8-10 parts of filler.

According to an optimized scheme, the filler is mainly prepared by reacting aluminum isopropoxide, concentrated nitric acid, acetone, aniline, trimethylethoxysilane, erbium nitrate and yttrium nitrate.

According to an optimized scheme, the pretreated base cloth is a glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

According to an optimized scheme, the preparation method of the high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

1) preparing materials;

2) preparing modified graphene oxide:

a) taking aluminum isopropoxide and deionized water, stirring and reacting at 80-90 ℃, standing, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing stirring, adding erbium nitrate and yttrium nitrate, performing reflux reaction for 8-12h, drying at 90-100 ℃ for 12-14h, drying, placing at the temperature of 900-1000 ℃, performing heat preservation treatment, and cooling along with a furnace to obtain a filler;

b) mixing and stirring graphene oxide and dimethylformamide, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, performing ultrasonic dispersion, stirring and reacting for 20-22h in a nitrogen environment at the reaction temperature of 80-85 ℃, adding a filler, continuing stirring and reacting, filtering and washing, and performing vacuum drying to obtain modified graphene oxide;

3) taking glass fiber base cloth, carrying out heat treatment at the temperature of 400-450 ℃, then placing the glass fiber base cloth in an acetone solution for cleaning, drying for 6-8h at the temperature of 90-100 ℃, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting for 2-3h at the temperature of 25-28 ℃, drying at the temperature of 80-85 ℃, carrying out ultrasonic cleaning on ethanol, and drying at the temperature of 80-90 ℃ to obtain pretreated base cloth;

4) and (3) mixing and stirring aniline and hydrochloric acid solution, adding pretreated base cloth and modified graphene oxide, continuously stirring for 2-4h at 25-28 ℃, standing for reaction, performing suction filtration, washing and drying to obtain a finished product coated with an anticorrosive coating.

The optimized scheme comprises the following steps:

1) preparing materials;

2) preparing modified graphene oxide:

a) taking aluminum isopropoxide and deionized water, stirring and reacting for 1-2h at 80-90 ℃, standing for 40-50min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing to stir for 10-15min, adding erbium nitrate and yttrium nitrate, performing reflux reaction for 8-12h, drying for 12-14h at 90-100 ℃, placing at 900-1000 ℃ after drying, performing heat preservation for 1.5-2h, and cooling along with a furnace to obtain a filler;

b) mixing and stirring graphene oxide and dimethylformamide for 10-20min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, performing ultrasonic dispersion for 20-30min, stirring and reacting for 20-22h under a nitrogen environment, wherein the reaction temperature is 80-85 ℃, the stirring speed is 180-200r/min, adding a filler, continuously stirring and reacting for 1-2h, filtering, washing, and performing vacuum drying to obtain modified graphene oxide;

3) taking glass fiber base cloth, carrying out heat treatment at the temperature of 400-450 ℃, then placing the glass fiber base cloth in an acetone solution for cleaning for 20-30min, drying for 6-8h at the temperature of 90-100 ℃, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting for 2-3h at the temperature of 25-28 ℃, drying for 3-4h at the temperature of 80-85 ℃, carrying out ultrasonic cleaning for 20-30min by using ethanol, and drying at the temperature of 80-90 ℃ to obtain pretreated base cloth;

4) mixing aniline and hydrochloric acid solution, stirring for 30-40min, adding pretreated base cloth and modified graphene oxide, continuously stirring for 2-4h at 25-28 ℃, standing for reaction, performing suction filtration and washing, and drying at 40-50 ℃ to obtain a finished product coated with an anticorrosive coating.

In an optimized scheme, in the step 3), the heat treatment time is 1-1.5 h.

In an optimized scheme, in the step 3), the hydrochloric acid soaking time is 8-10 h.

In an optimized scheme, in the step 4), the standing reaction time is 10-14 h.

Compared with the prior art, the invention has the following beneficial effects:

the invention discloses high-temperature-resistant corrosion-resistant glass fiber electronic cloth and a preparation method thereof, wherein the high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises a pretreatment base cloth and an anticorrosive coating coated on the surface of the pretreatment base cloth, the pretreatment base cloth is a silane coupling agent modified glass fiber base cloth, in the preparation process, the glass fiber base cloth is firstly cleaned by acetone, the surface of the glass fiber base cloth is modified by the silane coupling agent after cleaning, the silane coupling agent is an amino silane coupling agent KH550, amino groups can be introduced into the surface of the glass fiber base cloth after modification treatment, so that the glass fiber base cloth and the anticorrosive coating are adhered to each other, the adhesion capability of the glass fiber base cloth is improved, and the anticorrosive coating is uniformly coated on the surface of the glass fiber base cloth.

The application also discloses an anticorrosive coating which is mainly prepared by reacting aniline, hydrochloric acid and modified graphene oxide, in the preparation process, aluminum isopropoxide is hydrolyzed to generate aluminum oxide nano particles, and then luminous particles erbium nitrate and yttrium nitrate are added to prepare erbium ion and yttrium ion doped filler, the anticorrosive coating prepared by the filler has excellent luminous performance, when the electronic cloth is actually used, a folding film layer often appears, so that the coating is worn when the electronic cloth is folded and rubbed, the coating of the electronic cloth is seriously worn but an operator is not clear, the processing cost of a copper-clad plate is improved, the yield is reduced, and a certain potential safety hazard exists, therefore, the luminous filler is prepared, when the coating is worn, the wear rate can be judged by detecting the luminous condition of the luminous coating, therefore, whether the electronic cloth can be continuously processed or not is judged, so that potential safety hazards can be greatly reduced, and the working efficiency is improved.

According to the application, trimethylethoxysilane is added in the preparation process of the filler, the trimethylethoxysilane can be subjected to grafting reaction with aluminum hydroxyl, the number of the aluminum hydroxyl in alumina sol is reduced, the hydrolytic polycondensation of adjacent hydroxyl on the surface of alumina in the subsequent high-temperature process is avoided, the growth of alumina particles is inhibited, meanwhile, a-Si- (CH3)3 group is introduced into a system, the group is decomposed at high temperature and forms silica nanoparticles on the surface of the alumina, the alumina particles and the silica particles have a mutual filling effect, the heat resistance of the filler can be improved, meanwhile, the filler is deposited on the surface and between layers of the modified graphene oxide, the anticorrosive coating is further filled, and the corrosion resistance of the anticorrosive coating can be effectively improved.

This application still carries out isocyanate group surface modification to graphite oxide, and the preparation obtains modified graphite oxide, and this isocyanate group not only can with silicon hydroxyl, aluminium hydroxyl grafting reaction, but also can with the amino chemical crosslinking on preliminary treatment base cloth surface for anticorrosive coating's crosslinking is compacter, and anticorrosive performance obtains further promotion.

The application discloses high-temperature-resistant and corrosion-resistant glass fiber electronic cloth and a preparation method thereof, the process design is reasonable, the operation is simple, the prepared electronic cloth not only has excellent corrosion resistance, but also has excellent high-temperature resistance, and the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth is applied to processing of copper-clad plates, so that the practicability is higher.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

a preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

taking aluminum isopropoxide and deionized water, stirring and reacting for 1h at 80 ℃, standing for 40min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing stirring for 10min, adding erbium nitrate and yttrium nitrate, refluxing and reacting for 8h, drying for 12h at 90 ℃, placing at 900 ℃ after drying, preserving heat for 1.5h, and cooling along with a furnace to obtain a filler;

mixing and stirring graphene oxide and dimethylformamide for 10min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, performing ultrasonic dispersion for 20min, stirring and reacting for 20-22h under a nitrogen environment, wherein the reaction temperature is 80 ℃, the stirring rotation speed is 180r/min, adding a filler, continuing stirring and reacting for 1h, filtering, washing, and performing vacuum drying to obtain modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 400 ℃ for 1h, then placing the glass fiber base cloth in an acetone solution for cleaning for 20min, drying at 90 ℃ for 6h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 8h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 25 ℃ for 2h, drying at 80 ℃ for 3h, carrying out ultrasonic cleaning with ethanol for 20min, and drying at 80 ℃ to obtain pretreated base cloth;

(4) and (3) mixing and stirring aniline and hydrochloric acid solution for 30min, adding pretreated base cloth and modified graphene oxide, continuously stirring for 2h at 25 ℃, standing for reaction for 10h, performing suction filtration washing, and drying at 40 ℃ to obtain a finished product coated with an anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 10 parts of graphene oxide, 10 parts of dimethylformamide, 15 parts of 4, 4' -dicyclohexylmethane diisocyanate, 4 parts of dibutyltin dilaurate and 8 parts of filler.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Example 2:

a preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

taking aluminum isopropoxide and deionized water, stirring and reacting for 1.5h at 85 ℃, standing for 45min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing to stir for 12min, adding erbium nitrate and yttrium nitrate, performing reflux reaction for 10h, drying for 13h at 95 ℃, placing at 950 ℃ after drying, performing heat preservation for 1.8h, and cooling along with a furnace to obtain a filler;

mixing and stirring graphene oxide and dimethylformamide for 15min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, carrying out ultrasonic dispersion for 25min, carrying out stirring reaction for 21h under a nitrogen environment, wherein the reaction temperature is 83 ℃, the stirring rotation speed is 190r/min, adding a filler, continuously stirring and reacting for 1.5h, filtering, washing, and carrying out vacuum drying to obtain modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 430 ℃ for 1.2h, then placing the glass fiber base cloth in an acetone solution for cleaning for 25min, drying at 95 ℃ for 7h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 9h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 27 ℃ for 2.5h, drying at 82 ℃ for 3.5h, carrying out ultrasonic cleaning with ethanol for 25min, and drying at 85 ℃ to obtain pretreated base cloth;

(4) and (3) mixing aniline and hydrochloric acid solution, stirring for 35min, adding the pretreated base cloth and the modified graphene oxide, continuously stirring for 3h at 27 ℃, standing for reaction for 12h, performing suction filtration washing, and drying at 45 ℃ to obtain a finished product coated with the anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 18 parts of graphene oxide, 18 parts of dimethylformamide, 17 parts of 4, 4' -dicyclohexylmethane diisocyanate, 6 parts of dibutyltin dilaurate and 9 parts of filler.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Example 3:

a preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

taking aluminum isopropoxide and deionized water, stirring and reacting for 2h at 90 ℃, standing for 50min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing to stir for 15min, adding erbium nitrate and yttrium nitrate, refluxing and reacting for 12h, drying for 14h at 100 ℃, placing at 1000 ℃ after drying, preserving heat for 2h, and cooling along with a furnace to obtain a filler;

mixing and stirring graphene oxide and dimethylformamide for 20min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, carrying out ultrasonic dispersion for 30min, carrying out stirring reaction for 22h under a nitrogen environment, wherein the reaction temperature is 85 ℃, the stirring rotation speed is 200r/min, adding a filler, continuously stirring and reacting for 2h, filtering, washing, and carrying out vacuum drying to obtain modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 450 ℃ for 1.5h, then placing the glass fiber base cloth in an acetone solution for cleaning for 30min, drying at 100 ℃ for 8h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 10h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 28 ℃ for 3h, drying at 85 ℃ for 4h, carrying out ultrasonic cleaning with ethanol for 30min, and drying at 90 ℃ to obtain pretreated base cloth;

(4) and (3) mixing aniline and hydrochloric acid solution, stirring for 40min, adding the pretreated base cloth and the modified graphene oxide, continuously stirring for 4h at 28 ℃, standing for 14h for reaction, performing suction filtration washing, and drying at 50 ℃ to obtain a finished product coated with the anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 25 parts of graphene oxide, 25 parts of dimethylformamide, 20 parts of 4, 4' -dicyclohexylmethane diisocyanate, 7 parts of dibutyltin dilaurate and 10 parts of filler.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Comparative example 1: comparative example 1 was modified from example 2, in comparative example 1 no filler was added, and the remaining component contents and process parameters were identical to those of example 2.

A preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

mixing and stirring graphene oxide and dimethylformamide for 15min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, carrying out ultrasonic dispersion for 25min, stirring and reacting for 21h under a nitrogen environment, wherein the reaction temperature is 83 ℃, the stirring rotation speed is 190r/min, filtering, washing and vacuum drying to obtain modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 430 ℃ for 1.2h, then placing the glass fiber base cloth in an acetone solution for cleaning for 25min, drying at 95 ℃ for 7h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 9h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 27 ℃ for 2.5h, drying at 82 ℃ for 3.5h, carrying out ultrasonic cleaning with ethanol for 25min, and drying at 85 ℃ to obtain pretreated base cloth;

(4) and (3) mixing aniline and hydrochloric acid solution, stirring for 35min, adding the pretreated base cloth and the modified graphene oxide, continuously stirring for 3h at 27 ℃, standing for reaction for 12h, performing suction filtration washing, and drying at 45 ℃ to obtain a finished product coated with the anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 18 parts of graphene oxide, 18 parts of dimethylformamide, 17 parts of 4, 4' -dicyclohexylmethane diisocyanate and 6 parts of dibutyltin dilaurate.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Comparative example 2: comparative example 2 was modified from example 2 in that erbium nitrate and yttrium nitrate were not added to the filler of comparative example 2, and the remaining component contents and process parameters were in accordance with example 2.

A preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

taking aluminum isopropoxide and deionized water, stirring and reacting for 1.5h at 85 ℃, standing for 45min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, stirring and refluxing for reaction for 10h, drying for 13h at 95 ℃, placing at 950 ℃ after drying, preserving heat for 1.8h, and cooling along with a furnace to obtain a filler;

mixing and stirring graphene oxide and dimethylformamide for 15min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, carrying out ultrasonic dispersion for 25min, carrying out stirring reaction for 21h under a nitrogen environment, wherein the reaction temperature is 83 ℃, the stirring rotation speed is 190r/min, adding a filler, continuously stirring and reacting for 1.5h, filtering, washing, and carrying out vacuum drying to obtain modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 430 ℃ for 1.2h, then placing the glass fiber base cloth in an acetone solution for cleaning for 25min, drying at 95 ℃ for 7h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 9h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 27 ℃ for 2.5h, drying at 82 ℃ for 3.5h, carrying out ultrasonic cleaning with ethanol for 25min, and drying at 85 ℃ to obtain pretreated base cloth;

(4) and (3) mixing aniline and hydrochloric acid solution, stirring for 35min, adding the pretreated base cloth and the modified graphene oxide, continuously stirring for 3h at 27 ℃, standing for reaction for 12h, performing suction filtration washing, and drying at 45 ℃ to obtain a finished product coated with the anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 18 parts of graphene oxide, 18 parts of dimethylformamide, 17 parts of 4, 4' -dicyclohexylmethane diisocyanate, 6 parts of dibutyltin dilaurate and 9 parts of filler.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Comparative example 3: comparative example 3 a modification was made to example 2, comparative example 3 was made without the addition of trimethylethoxysilane graft to the filler, and the remaining component levels and step parameters were identical to those of example 2.

A preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

taking aluminum isopropoxide and deionized water, stirring and reacting for 1.5h at 85 ℃, standing for 45min, adding erbium nitrate and yttrium nitrate, refluxing and reacting for 10h, drying for 13h at 95 ℃, keeping the temperature for 1.8h after drying, placing at 950 ℃, and cooling along with a furnace to obtain a filler;

mixing and stirring graphene oxide and dimethylformamide for 15min, adding 4, 4' -dicyclohexylmethane diisocyanate and dibutyltin dilaurate, carrying out ultrasonic dispersion for 25min, stirring and reacting for 21h under a nitrogen environment, wherein the reaction temperature is 83 ℃, the stirring speed is 190r/min, adding a filler, continuously stirring and reacting for 1.5h, filtering, washing, vacuum drying,

obtaining modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 430 ℃ for 1.2h, then placing the glass fiber base cloth in an acetone solution for cleaning for 25min, drying at 95 ℃ for 7h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 9h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 27 ℃ for 2.5h, drying at 82 ℃ for 3.5h, carrying out ultrasonic cleaning with ethanol for 25min, and drying at 85 ℃ to obtain pretreated base cloth;

(4) and (3) mixing aniline and hydrochloric acid solution, stirring for 35min, adding the pretreated base cloth and the modified graphene oxide, continuously stirring for 3h at 27 ℃, standing for reaction for 12h, performing suction filtration washing, and drying at 45 ℃ to obtain a finished product coated with the anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 18 parts of graphene oxide, 18 parts of dimethylformamide, 17 parts of 4, 4' -dicyclohexylmethane diisocyanate, 6 parts of dibutyltin dilaurate and 9 parts of filler.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Comparative example 4: comparative example 4 was changed based on example 2, and comparative example 4 was not subjected to graphene oxide isocyanate modification, and the remaining component contents and step parameters were identical to those of example 2.

A preparation method of high-temperature-resistant corrosion-resistant glass fiber electronic cloth comprises the following steps:

(1) preparing materials;

(2) preparing modified graphene oxide:

taking aluminum isopropoxide and deionized water, stirring and reacting for 1.5h at 85 ℃, standing for 45min, adding concentrated nitric acid, acetone, aniline and trimethylethoxysilane, continuing to stir for 12min, adding erbium nitrate and yttrium nitrate, performing reflux reaction for 10h, drying for 13h at 95 ℃, placing at 950 ℃ after drying, performing heat preservation for 1.8h, and cooling along with a furnace to obtain a filler;

mixing and stirring graphene oxide and dimethylformamide for 15min, adding a filler, continuously stirring and reacting for 1.5h, filtering and washing, and drying in vacuum to obtain modified graphene oxide;

(3) taking glass fiber base cloth, carrying out heat treatment at 430 ℃ for 1.2h, then placing the glass fiber base cloth in an acetone solution for cleaning for 25min, drying at 95 ℃ for 7h, then placing the glass fiber base cloth in a hydrochloric acid solution for soaking for 9h, taking out the glass fiber base cloth, then placing the glass fiber base cloth in a silane coupling agent hydrolysate, reacting at 27 ℃ for 2.5h, drying at 82 ℃ for 3.5h, carrying out ultrasonic cleaning with ethanol for 25min, and drying at 85 ℃ to obtain pretreated base cloth;

(4) and (3) mixing aniline and hydrochloric acid solution, stirring for 35min, adding the pretreated base cloth and the modified graphene oxide, continuously stirring for 3h at 27 ℃, standing for reaction for 12h, performing suction filtration washing, and drying at 45 ℃ to obtain a finished product coated with the anticorrosive coating.

In this embodiment, the electronic cloth is composed of a pretreated base cloth and an anticorrosive coating coated on the surface of the pretreated base cloth, wherein the modified graphene oxide comprises the following raw materials: by weight, 18 parts of graphene oxide, 18 parts of dimethylformamide and 9 parts of filler.

The pretreated base cloth is glass fiber base cloth modified by a silane coupling agent, and the silane coupling agent is KH 550.

Detection experiment:

1. taking the electronic cloth samples prepared in examples 1-3 and comparative examples 1-4, according to GB/T7689.5-2013 part 5 of the experimental method for the woven fabric of the reinforcing material: determination of tensile breaking Strength and elongation at Break of glass fibers.

2. The electronic cloth samples prepared in the examples 1-3 and the comparative examples 1-4 are respectively tested for acid and alkali corrosion resistance according to GB/T20102-2006, and the strength loss rate is calculated.

During testing, the sample is placed in a sodium hydroxide solution with the concentration of 5 percent, the liquid level of the solution is ensured to immerse the sample by at least 25mm, the temperature is kept constant at 50 ℃, and the sample is taken out and dried after being soaked for 7 days.

During testing, the sample is placed in a hydrochloric acid solution with the concentration of 10%, the liquid surface of the solution is ensured to be immersed for at least 25mm, the temperature is kept constant at 50 ℃, and the sample is taken out and dried after being soaked for 7 days.

The strength loss rate (breaking strength of untreated sample-breaking strength of sample after alkali/acid solution treatment)/mechanical strength of untreated sample 100%.

3. Samples prepared in examples 1 to 3 and comparative examples 1 to 4 were applied to PCB boards, respectively, and tested for heat resistance according to GB/T4677.11-84 "method for testing thermal shock resistance of printed boards".

And (4) conclusion: the application discloses high-temperature-resistant and corrosion-resistant glass fiber electronic cloth and a preparation method thereof, the process design is reasonable, the operation is simple, the prepared electronic cloth not only has excellent corrosion resistance, but also has excellent high-temperature resistance, and the high-temperature-resistant and corrosion-resistant glass fiber electronic cloth is applied to processing of copper-clad plates, so that the practicability is higher.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.