阅读说明：本技术 一种高密度玻璃棉板 (High-density glass wool board ) 是由 顾春生 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种高密度玻璃棉板,包括玻璃棉板本体和防火层,该防火层设置在玻璃棉板本体的侧壁上,防火层位于玻璃棉板本体的两侧壁上,其采用粘胶的方式将防火层均匀涂覆在玻璃棉板本体的表面上；该粘胶的方式具体为：将制备得到的防火层与胶体混合,然后通过涂布辊均匀涂覆在玻璃棉板本体的表面上,本发明的防火层不仅有防腐抗菌的效果还兼具着阻燃抗燃的作用,以及通过防火胶将其粘接在玻璃棉板上,其遇火时,也具有着很好粘贴性能,进一步提高玻璃棉板的防火性能。(The invention discloses a high-density glass wool board, which comprises a glass wool board body and a fireproof layer, wherein the fireproof layer is arranged on the side wall of the glass wool board body and is positioned on the two side walls of the glass wool board body; the mode of this viscose is specifically: the prepared fireproof layer is mixed with the colloid and then is uniformly coated on the surface of the glass cotton plate body through the coating roller, the fireproof layer has the effects of corrosion resistance and bacteria resistance, and has the functions of flame retardance and fire resistance, and the fireproof layer is bonded on the glass cotton plate through the fireproof glue, so that the fireproof layer also has good bonding performance when meeting fire, and the fireproof performance of the glass cotton plate is further improved.)

1. The high-density glass wool board is characterized by comprising a glass wool board body (1) and a fireproof layer (2), wherein the fireproof layer (2) is arranged on the side wall of the glass wool board body (1), and the fireproof layer (2) is coated on the surface of the glass wool board body (1) by the high-density glass wool board in a viscose glue mode;

the mode of this viscose does: and mixing the prepared fireproof layer (2) with colloid, and then uniformly coating the mixture on the surface of the glass wool board body (1) through a coating roller.

2. A high density glass wool panel according to claim 1, characterised in that the fire barrier layer (2) is prepared by:

the first step is as follows: dropwise adding the water solution of the intermediate 1 into the mixed system of the intermediate 2, adjusting the pH value of the reaction system to 5-6 in the dropwise adding process, and stirring after dropwise adding to obtain an intermediate 3;

the second step is that: adding diethyl phosphite, n-hexane serving as a solvent and a catalyst di (beta-diimine) divalent rare earth metal into a reaction vessel, mixing, then dropwise adding propionaldehyde into the reaction vessel, stirring for 10min at the temperature of 30 ℃, and adding deionized water to terminate the reaction to obtain an intermediate 4;

the third step: adding the intermediate 3 into a reaction container containing chlorobenzene, stirring until the intermediate is dissolved, adding a catalyst of aluminum trichloride at the temperature of 5 ℃, adding the intermediate 4, and reacting for 8 hours; obtaining the fireproof layer (2).

3. A high density glass wool panel according to claim 2 wherein the intermediate 1 is prepared by: adding chloroethylamine hydrochloride and pyridine into a reaction container, adding deionized water into the reaction container, heating and refluxing for 3 hours, extracting with toluene for three times, taking a lower-layer water phase, adjusting the pH to 2 with a hydrochloric acid solution, carrying out rotary evaporation to obtain a viscous product, adding isopropanol, separating out a solid, carrying out suction filtration, and washing with acetone to obtain an intermediate 1.

4. The high-density glass wool board as claimed in claim 2, wherein the mixed system of the intermediate 2 is prepared by the following steps: adding cyanuric chloride into acetone, mixing and dissolving, then dropwise adding 2,2,6, 6-tetramethyl piperidine amine, stirring for 5 hours at the temperature of 0 ℃ after dropwise adding, and heating to 40 ℃ to obtain a mixed system of the intermediate 2.

5. A high density glass wool panel as claimed in claim 3 wherein the amount of chloroethylamine hydrochloride, pyridine and deionized water is 1mol: 2-5 mol: 20-50 mL.

6. The high-density glass wool board as claimed in claim 4, wherein the dosage ratio of cyanuric chloride to 2,2,6, 6-tetramethylpiperidylamine is 1mol: 1.0-1.5 mol.

7. The high-density glass wool board as claimed in claim 2, wherein the amount ratio of the intermediate 1 to the intermediate 2 in the first step is controlled to be 1mol:1-1.5 mol.

8. The high-density glass wool board as defined in claim 2, wherein in the second step, the ratio of the amount of propionaldehyde to the amount of diethyl phosphite to the amount of n-hexane to the amount of di (β -diimine) rare earth metal is controlled to be 1mol: 1.0-1.5 mol: 5-10 mL: 0.08-0.12 mol.

9. A high-density glass wool panel as claimed in claim 2, wherein in the third step, the ratio of the intermediate 3, chlorobenzene, aluminum trichloride and intermediate 4 is controlled to be 1mol: 3-4L: 0.05-0.1 mol:1-1.5 mol.

Technical Field

The invention relates to the technical field of glass wool boards, in particular to a high-density glass wool board.

Background

Chinese patent CN213204549U discloses a novel high density glass wool board of heat preservation fire prevention sound insulation, including cotton board of glass and grip block, one side rear end outer wall of the cotton board of glass is provided with the first hole of placing, and one side front end outer wall of the cotton board of glass is provided with the second and places the hole, the opposite side of the cotton board of glass is fixed with the spacing piece, the first inside left end both sides of placing the hole are provided with the fixed block, and the first inside right-hand member inner wall laminating of placing the hole has the connecting block, one side of connecting block is connected with the telescopic link, and the outer wall of telescopic link distributes all around has reset spring, the opposite side of telescopic link is fixed with the grip block, the laminating of the both sides outer wall of the cotton board of glass has the sponge. This cotton board of high density glass of heat preservation fire prevention sound insulation is provided with the sponge, and the sponge laminates with the cotton board of glass each other, and after two cotton board laminating of glass, the sponge can be filled the gap between the two, and the sponge also can play the effect of absorbing sound simultaneously to play the syllable-dividing effect.

Among the prior art, the cotton board of glass is outstanding inadequately because of its fire behaviour, adopts usually to coat the one deck flame retardant coating on the surface of the cotton board of glass through the colloid, reaches the effect of fire prevention, and it is also using for a long time that this kind of mode is existing, influences its fire-retardant efficiency because of bacterial growing to and when meeting fire, the colloid is inefficacy more easily, makes the flame retardant coating on surface easily drop, can not reach fine fireproof effect.

Disclosure of Invention

The invention aims to solve the problems of the background art and provides a high-density glass wool board, wherein the fireproof layer has the effects of corrosion resistance and bacteria resistance, flame retardance and fire resistance, and has good adhesion performance when meeting fire by adhering the fireproof layer on the glass wool board through fireproof glue, so that the fireproof performance of the glass wool board is further improved.

The purpose of the invention can be realized by the following technical scheme:

a high-density glass wool board comprises a glass wool board body and a fireproof layer, wherein the fireproof layer is arranged on the side wall of the glass wool board body, the fireproof layer is positioned on the two side walls of the glass wool board body, and the fireproof layer is uniformly coated on the surface of the glass wool board body in a viscose glue mode;

the mode of this viscose is specifically: mixing the prepared fireproof layer with colloid, and then uniformly coating the mixture on the surface of a glass wool board body through a coating roller;

as a further scheme of the invention: the fireproof layer is prepared by the following steps:

the first step is as follows: adding chloroethylamine hydrochloride and pyridine into a reaction container, adding deionized water into the reaction container, heating and refluxing for 3 hours, extracting for three times by using toluene, taking a lower-layer water phase, adjusting the pH to be 2 by using a hydrochloric acid solution, carrying out rotary evaporation to obtain a viscous product, adding isopropanol, separating out a solid, carrying out suction filtration, and washing by using acetone to obtain an intermediate 1; in the first step, the dosage ratio of the chloramine hydrochloride, the pyridine and the deionized water is controlled to be 1mol: 2-5 mol: 20-50 mL;

the reaction process is as follows:

the second step is that: adding cyanuric chloride into acetone, mixing and dissolving, then dropwise adding 2,2,6, 6-tetramethyl piperidine amine, stirring for 5 hours at the temperature of 0 ℃ after dropwise adding, and heating to 40 ℃ to obtain a mixed system of an intermediate 2; in the second step, the dosage ratio of cyanuric chloride to 2,2,6, 6-tetramethyl piperidine amine is controlled to be 1mol: 1.0-1.5 mol;

the reaction process is as follows:

the third step: dropwise adding the water solution of the intermediate 1 into the mixed system of the intermediate 2, adjusting the pH value of the reaction system to 5-6 in the dropwise adding process, continuously stirring for 5 hours after the dropwise adding is finished, performing suction filtration after the reaction is finished, washing with ethanol for three times, and then washing with acetone for three times to obtain an intermediate 3; controlling the dosage ratio of the intermediate 1 to the intermediate 2 in the third step to be 1mol:1-1.5 mol;

the reaction process is as follows:

the fourth step: adding diethyl phosphite, n-hexane serving as a solvent and a di- (beta-diimine) divalent rare earth metal serving as a catalyst into a reaction vessel for mixing, then dropwise adding propionaldehyde into the reaction vessel, stirring for 10min at the temperature of 30 ℃, adding deionized water to terminate the reaction, adding an ethyl acetate dissolved product, performing rotary evaporation, washing with n-hexane, and drying; obtaining an intermediate 4; controlling the dosage ratio of propionaldehyde, diethyl phosphite, normal hexane and di (beta-diimine) divalent rare earth metal to be 1mol: 1.0-1.5 mol: 5-10 mL: 0.08-0.12 mol;

the reaction process is as follows:

the fifth step: adding the intermediate 3 into a reaction container containing chlorobenzene, stirring until the intermediate is dissolved, adding a catalyst of aluminum trichloride at the temperature of 5 ℃, adding the intermediate 4, and reacting for 8 hours; obtaining a fireproof layer; in the fifth step, the dosage ratio of the intermediate 3, chlorobenzene, aluminum trichloride and the intermediate 4 is controlled to be 1mol: 3-4L: 0.05-0.1 mol:1 to 1.5mol

The reaction process is as follows:

as a further scheme of the invention: the colloid is prepared by the following steps:

stirring magnesium chloride, polyvinyl alcohol, magnesium sulfate and water in a reaction kettle for 50-80min under the condition of raising the temperature to 90-100 ℃ to generate an intermediate material, wherein the intermediate material is generated by strong electronic interaction between magnesium ions of the magnesium chloride and the magnesium sulfate dissolved in the water and oxygen atoms in hydroxyl groups on a polyvinyl alcohol molecular chain, and the raw materials for preparing the intermediate material comprise, by weight, 38-45 parts of magnesium chloride, 8.5-10.5 parts of polyvinyl alcohol, 4.0-6.5 parts of magnesium sulfate and 98-105 parts of water;

adding an auxiliary agent into the intermediate material under the stirring action, and mixing to prepare a colloid, wherein the auxiliary agent comprises 12-14 parts by weight of magnesium oxide, 2.8-3.5 parts by weight of a foaming agent, 1.8-2.0 parts by weight of a flatting agent and 1.8-2.5 parts by weight of a coupling agent; the foaming agent is magnesium carbonate, the leveling agent is polydimethylsiloxane or polyester modified polysiloxane, and the coupling agent is one or more of vinyl triethoxysilane, 3-aminopropyl triethoxysilane and methacryloxypropyl triethoxysilane.

The invention has the beneficial effects that:

firstly, reacting chloroethylamine hydrochloride with pyridine to produce an intermediate 1, and then substituting 2,2,6, 6-tetramethyl piperidine amine for one chlorine atom on cyanuric chloride to obtain an intermediate 2; finally, replacing another chlorine atom on the cyanuric chloride with the intermediate 1 to prepare an intermediate 3, wherein the intermediate 3 has good antibacterial performance;

performing hydrogen phosphating reaction on diethyl phosphite and propionaldehyde to obtain an intermediate 4, wherein the intermediate 4 is connected with a diethyl phosphite structure, and the diethyl phosphite has flame retardant property;

therefore, the intermediate 3 and the intermediate 4 are subjected to substitution reaction to obtain the fireproof layer, and the fireproof layer not only has the effects of corrosion resistance and bacteria resistance, but also has the functions of flame retardance and fire resistance, so that the fireproof layer is coated on the glass wool board body 1 to form a flame-retardant antibacterial layer, so that the glass wool board body has the performances of bacteria resistance and flame retardance;

and through the colloid that sets up, this colloid has good fire behavior, can impel fire-proof glue to form a level and smooth, even coating in dry film forming process, and can effectively reduce fire-proof glue surface tension, improve its levelling nature and homogeneity, can improve the permeability of fire-proof glue, make the even infiltration of fire-proof glue to the glass wool board, make when meetting the intensity of a fire, this colloid also is difficult to drop from the glass wool board, make this flame retardant coating firmly adhere to on the glass wool board, further improve its fire-retardant performance.

Drawings

The invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a glass wool board body; 2. and a fire-proof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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

Referring to fig. 1, the present invention is a high density glass wool board, including a glass wool board body 1 and a fireproof layer 2, wherein the fireproof layer 2 is disposed on the side wall of the glass wool board body 1, the fireproof layer 2 is disposed on the two side walls of the glass wool board body 1, and the fireproof layer 2 is uniformly coated on the surface of the glass wool board body 1 by using a glue method;

the mode of this viscose is specifically: mixing the prepared fireproof layer 2 with colloid, and then uniformly coating the mixture on the surface of the glass wool board body 1 through a coating roller;

the fireproof layer 2 is prepared by the following steps:

the first step is as follows: adding chloroethylamine hydrochloride and pyridine into a reaction container, adding deionized water into the reaction container, heating and refluxing for 3 hours, extracting for three times by using toluene, taking a lower-layer water phase, adjusting the pH to be 2 by using a hydrochloric acid solution, carrying out rotary evaporation to obtain a viscous product, adding isopropanol, separating out a solid, carrying out suction filtration, and washing by using acetone to obtain an intermediate 1; in the first step, the dosage ratio of the chloramine hydrochloride, the pyridine and the deionized water is controlled to be 1mol: 2 mol: 20 mL;

the second step is that: adding cyanuric chloride into acetone, mixing and dissolving, then dropwise adding 2,2,6, 6-tetramethyl piperidine amine, stirring for 5 hours at the temperature of 0 ℃ after dropwise adding, and heating to 40 ℃ to obtain a mixed system of an intermediate 2; in the second step, the dosage ratio of cyanuric chloride to 2,2,6, 6-tetramethyl piperidine amine is controlled to be 1mol: 1.0 mol;

the third step: dropwise adding the water solution of the intermediate 1 into the mixed system of the intermediate 2, adjusting the pH value of the reaction system to 5 in the dropwise adding process, continuously stirring for 5 hours after the dropwise adding is finished, performing suction filtration after the reaction is finished, washing with ethanol for three times, and then washing with acetone for three times to obtain an intermediate 3; controlling the dosage ratio of the intermediate 1 to the intermediate 2 in the third step to be 1mol:1 mol;

the fourth step: adding diethyl phosphite, n-hexane serving as a solvent and a di- (beta-diimine) divalent rare earth metal serving as a catalyst into a reaction vessel for mixing, then dropwise adding propionaldehyde into the reaction vessel, stirring for 10min at the temperature of 30 ℃, adding deionized water to terminate the reaction, adding an ethyl acetate dissolved product, performing rotary evaporation, washing with n-hexane, and drying; obtaining an intermediate 4; controlling the dosage ratio of propionaldehyde, diethyl phosphite, normal hexane and di (beta-diimine) divalent rare earth metal to be 1mol: 1.0 mol: 5mL of: 0.08 mol;

the fifth step: adding the intermediate 3 into a reaction container containing chlorobenzene, stirring until the intermediate is dissolved, adding a catalyst of aluminum trichloride at the temperature of 5 ℃, adding the intermediate 4, and reacting for 8 hours; obtaining a fireproof layer; in the fifth step, the dosage ratio of the intermediate 3, chlorobenzene, aluminum trichloride and the intermediate 4 is controlled to be 1mol: 3L: 0.05 mol:1 mol.

Example 2

The fireproof layer 2 is prepared by the following steps:

the first step is as follows: adding chloroethylamine hydrochloride and pyridine into a reaction container, adding deionized water into the reaction container, heating and refluxing for 3 hours, extracting for three times by using toluene, taking a lower-layer water phase, adjusting the pH to be 2 by using a hydrochloric acid solution, carrying out rotary evaporation to obtain a viscous product, adding isopropanol, separating out a solid, carrying out suction filtration, and washing by using acetone to obtain an intermediate 1; in the first step, the dosage ratio of the chloramine hydrochloride, the pyridine and the deionized water is controlled to be 1mol: 3.5 mol: 35 mL;

the second step is that: adding cyanuric chloride into acetone, mixing and dissolving, then dropwise adding 2,2,6, 6-tetramethyl piperidine amine, stirring for 5 hours at the temperature of 0 ℃ after dropwise adding, and heating to 40 ℃ to obtain a mixed system of an intermediate 2; in the second step, the dosage ratio of cyanuric chloride to 2,2,6, 6-tetramethyl piperidine amine is controlled to be 1mol:1.25 mol;

the third step: dropwise adding the water solution of the intermediate 1 into the mixed system of the intermediate 2, adjusting the pH value of the reaction system to 5 in the dropwise adding process, continuously stirring for 5 hours after the dropwise adding is finished, performing suction filtration after the reaction is finished, washing with ethanol for three times, and then washing with acetone for three times to obtain an intermediate 3; controlling the dosage ratio of the intermediate 1 to the intermediate 2 in the third step to be 1mol:1.25 mol;

the fourth step: adding diethyl phosphite, n-hexane serving as a solvent and a di- (beta-diimine) divalent rare earth metal serving as a catalyst into a reaction vessel for mixing, then dropwise adding propionaldehyde into the reaction vessel, stirring for 10min at the temperature of 30 ℃, adding deionized water to terminate the reaction, adding an ethyl acetate dissolved product, performing rotary evaporation, washing with n-hexane, and drying; obtaining an intermediate 4; controlling the dosage ratio of propionaldehyde, diethyl phosphite, normal hexane and di (beta-diimine) divalent rare earth metal to be 1mol:1.25 mol: 7.5 mL: 0.10 mol;

the fifth step: adding the intermediate 3 into a reaction container containing chlorobenzene, stirring until the intermediate is dissolved, adding a catalyst of aluminum trichloride at the temperature of 5 ℃, adding the intermediate 4, and reacting for 8 hours; obtaining a fireproof layer; in the fifth step, the dosage ratio of the intermediate 3, chlorobenzene, aluminum trichloride and the intermediate 4 is controlled to be 1mol: 3.5L: 0.08 mol:1.25 mol.

Example 3

The fireproof layer 2 is prepared by the following steps:

the first step is as follows: adding chloroethylamine hydrochloride and pyridine into a reaction container, adding deionized water into the reaction container, heating and refluxing for 3 hours, extracting for three times by using toluene, taking a lower-layer water phase, adjusting the pH to be 2 by using a hydrochloric acid solution, carrying out rotary evaporation to obtain a viscous product, adding isopropanol, separating out a solid, carrying out suction filtration, and washing by using acetone to obtain an intermediate 1; in the first step, the dosage ratio of the chloramine hydrochloride, the pyridine and the deionized water is controlled to be 1mol: 5 mol: 50 mL;

the second step is that: adding cyanuric chloride into acetone, mixing and dissolving, then dropwise adding 2,2,6, 6-tetramethyl piperidine amine, stirring for 5 hours at the temperature of 0 ℃ after dropwise adding, and heating to 40 ℃ to obtain a mixed system of an intermediate 2; in the second step, the dosage ratio of cyanuric chloride to 2,2,6, 6-tetramethyl piperidine amine is controlled to be 1mol:1.5 mol;

the third step: dropwise adding the water solution of the intermediate 1 into the mixed system of the intermediate 2, adjusting the pH value of the reaction system to 6 in the dropwise adding process, continuously stirring for 5 hours after the dropwise adding is finished, performing suction filtration after the reaction is finished, washing with ethanol for three times, and then washing with acetone for three times to obtain an intermediate 3; controlling the dosage ratio of the intermediate 1 to the intermediate 2 in the third step to be 1mol:1.5 mol;

the fourth step: adding diethyl phosphite, n-hexane serving as a solvent and a di- (beta-diimine) divalent rare earth metal serving as a catalyst into a reaction vessel for mixing, then dropwise adding propionaldehyde into the reaction vessel, stirring for 10min at the temperature of 30 ℃, adding deionized water to terminate the reaction, adding an ethyl acetate dissolved product, performing rotary evaporation, washing with n-hexane, and drying; obtaining an intermediate 4; controlling the dosage ratio of propionaldehyde, diethyl phosphite, normal hexane and di (beta-diimine) divalent rare earth metal to be 1mol:1.5 mol: 10mL of: 0.12 mol;

the fifth step: adding the intermediate 3 into a reaction container containing chlorobenzene, stirring until the intermediate is dissolved, adding a catalyst of aluminum trichloride at the temperature of 5 ℃, adding the intermediate 4, and reacting for 8 hours; obtaining a fireproof layer; in the fifth step, the dosage ratio of the intermediate 3, chlorobenzene, aluminum trichloride and the intermediate 4 is controlled to be 1mol: 4L: 0.1 mol:1.5 mol.

Example 4

The colloid is prepared by the following steps:

stirring magnesium chloride, polyvinyl alcohol, magnesium sulfate and water in a reaction kettle for 50min under the condition of raising the temperature to 90 ℃, and then generating an intermediate material, wherein the intermediate material is generated by strong electronic interaction between magnesium ions of the magnesium chloride and the magnesium sulfate dissolved in the water and oxygen atoms in hydroxyl groups on a polyvinyl alcohol molecular chain, and the raw materials for preparing the intermediate material comprise 38 parts of magnesium chloride, 8.5 parts of polyvinyl alcohol, 4.0 parts of magnesium sulfate and 98 parts of water by weight;

adding an auxiliary agent into the intermediate material under the stirring action, and mixing to prepare a colloid, wherein the auxiliary agent comprises 12 parts by weight of magnesium oxide, 2.8 parts by weight of a foaming agent, 1.8 parts by weight of a leveling agent and 1.8 parts by weight of a coupling agent; the foaming agent is magnesium carbonate, the leveling agent is polydimethylsiloxane or polyester modified polysiloxane, and the coupling agent is one or more of vinyl triethoxysilane, 3-aminopropyl triethoxysilane and methacryloxypropyl triethoxysilane.

Example 5

Stirring magnesium chloride, polyvinyl alcohol, magnesium sulfate and water in a reaction kettle for 80min under the condition of heating to 100 ℃, and then generating an intermediate material, wherein the intermediate material is generated by strong electronic interaction between magnesium ions of the magnesium chloride and the magnesium sulfate dissolved in the water and oxygen atoms in hydroxyl groups on a polyvinyl alcohol molecular chain, and the raw materials for preparing the intermediate material comprise 45 parts of magnesium chloride, 10.5 parts of polyvinyl alcohol, 6.5 parts of magnesium sulfate and 105 parts of water by weight;

adding an auxiliary agent into the intermediate material under the stirring action, and mixing to prepare a colloid, wherein the auxiliary agent comprises 14 parts by weight of magnesium oxide, 3.5 parts by weight of a foaming agent, 2.0 parts by weight of a leveling agent and 2.5 parts by weight of a coupling agent; the foaming agent is magnesium carbonate, the leveling agent is polydimethylsiloxane or polyester modified polysiloxane, and the coupling agent is one or more of vinyl triethoxysilane, 3-aminopropyl triethoxysilane and methacryloxypropyl triethoxysilane.

Comparative example 1

Comparative example 1 is a glass wool panel as provided in chinese patent CN 213204549U;

comparative example 2

Removing the fire-proof layer 2 in the embodiment 1, and keeping the rest raw materials and the preparation process unchanged;

comparative example 3

The fireproof layer in the embodiment 1 is replaced by a mixture of antibacterial material nano silver and fireproof material calcium silicate board, and other raw materials and preparation processes are unchanged;

the glass wool boards of examples 1 to 3 and comparative examples 1 to 3 were subjected to the flame retardant and antibacterial property tests, and the test results are shown in the following table;

the flame retardancy was measured by cutting the composite drainage plates of examples 1 to 3 and comparative example 1 into test strips and subjecting the test strips to a Limiting Oxygen Index (LOI) test using a JF-3 type oxygen index tester;

and (3) testing antibacterial performance: adding a glass wool plate into a bacterial solution of escherichia coli, contacting for 20min, continuously diluting with a phosphate buffer solution, placing the diluted solution into a culture medium, and measuring the number of bacterial colonies after culturing at a constant temperature of 37 ℃ for 24 h;

as can be seen from the above tables, the LOI values of the glass wool boards prepared in examples 1 to 3 are 68.3 to 75.1, while the LOI values of comparative examples 1 to 3 are 16.2 to 43.5, so that it can be seen that the glass wool boards prepared in the present invention have excellent flame retardant properties, and the antibacterial rate of the glass wool boards against Escherichia coli is 83.2 to 85.1%, while the antibacterial rate of comparative examples 1 to 3 is 6.3 to 64.1%, so that it can be seen that the glass wool boards prepared in the present invention have excellent antibacterial properties.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.