阅读说明：本技术 一种可户外用耐候型免钉胶及其制备方法 (Outdoor weather-resistant nail-free glue and preparation method thereof ) 是由 陈炳耀 朱俊杰 董颖 于 2019-08-20 设计创作，主要内容包括：本发明公开了一种可户外用耐候型免钉胶及其制备方法,主要成分为氯丁橡胶、耐候橡胶、环保溶剂、填料、金属粉、活性氧化镁、对叔丁酚甲醛树脂、增粘树脂、偶联剂、抗氧剂。本发明的优点是：1.粘接强度高,固化快；2.加入金属粉,减少光和热辐射,改变胶体膨胀系数,延长使用寿命；3.胶固化后软硬适中；4.溶剂体系环保,固含高；5.采用氯丁橡胶搭配耐候橡胶作为主体,耐高温、老化性能优异,可满足户外使用的需求。(The invention discloses an outdoor weather-resistant nail-free glue and a preparation method thereof. The invention has the advantages that: 1. the adhesive strength is high, and the curing is fast; 2. the metal powder is added, so that light and heat radiation are reduced, the expansion coefficient of the colloid is changed, and the service life is prolonged; 3. the hardness of the glue is moderate after the glue is solidified; 4. the solvent system is environment-friendly and has high solid content; 5. chloroprene rubber is matched with weather-resistant rubber as a main body, so that the weather-resistant chloroprene rubber has excellent high-temperature resistance and aging resistance, and can meet the outdoor use requirement.)

1. The weather-resistant nail-free glue for outdoor use is characterized by comprising the following components in parts by weight:

20-30 parts of chloroprene rubber

10-15 parts of weather-resistant rubber

75-90 parts of environment-friendly solvent

90-105 parts of filler

15-20 parts of metal powder

1-2 parts of active magnesium oxide

7-10 parts of para-tert-butyl phenol formaldehyde resin

24-32 parts of tackifying resin

0.1-0.3 part of coupling agent

0.5-1.0 part of antioxidant.

2. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the chloroprene rubber is at least one of Shanxi synthetic rubber group, namely, the company CR2442, the Japanese electric chemistry A90, the Japanese electric chemistry A30 and the Japanese electric chemistry M40.

3. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the weather-resistant rubber is at least one of chlorosulfonated polyethylene rubber and ethylene propylene diene monomer rubber.

4. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the environment-friendly solvent is a mixture of HDBE, FC-36 and NCC, and is prepared from the following components in parts by weight: HDBE: FC-36: NCC is 4-6: 1-3.

5. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the filler is at least one of nano calcium carbonate and fumed silica.

6. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the metal powder is at least one of titanium dioxide and aluminum silver powder.

7. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the tackifying resin is at least one of C5 petroleum resin, C9 petroleum resin and terpene resin.

8. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the coupling agent is at least one of KH-550 silane coupling agent, KH-551 silane coupling agent, KH-560 silane coupling agent and KH-570 silane coupling agent.

9. The outdoor weather-resistant nail-free glue according to claim 1, wherein: the antioxidant is at least one of antioxidant 1010, antioxidant 168, antioxidant 264, antioxidant 300 and antioxidant 2246.

10. The preparation method of the outdoor weather-resistant nail-free glue according to claim 1, characterized in that:

the method comprises the following steps:

firstly, plasticating rubber:

plasticating chloroprene rubber and weather-resistant rubber according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber, the environment-friendly solvent, the active magnesium oxide, the p-tert-butylphenol formaldehyde resin, the tackifying resin, the coupling agent and the antioxidant which are obtained in the step I into a reaction kettle according to the weight part ratio, starting cooling water, dispersing and uniformly stirring to obtain nail-free glue mother liquor;

preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion, a small amount of filler and metal powder are added into the nail-free glue mother liquor, cooling water is started, and the nail-free glue mother liquor is uniformly dispersed at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Technical Field

The invention relates to a weather-resistant nail-free glue for outdoor use and a preparation method thereof.

Background

The nail-free glue is also called liquid nail, is a multifunctional adhesive for decoration, and is mainly used for adhering and fixing various wood lines, door pocket lines, plaster lines, floor tiles, various decorative pendants, various wallboard projects and the like. In recent years, nail-free glue gradually replaces fixing modes such as nailing, drilling and the like, effectively avoids noise and dust pollution, lightens damage to house structures, and is more and more widely applied.

However, the nail-free glue on the market at present mostly adopts SBS rubber, styrene rubber and the like as main materials, and due to the poor aging resistance of the SBS rubber and the styrene rubber, the produced nail-free glue has poor aging resistance and cannot achieve normal use effect outdoors.

Therefore, the development of the outdoor weather-resistant nail-free glue has great practicability and necessity.

The chloroprene rubber, the chlorosulfonated polyethylene rubber and the ethylene propylene diene monomer rubber have excellent weather aging resistance, so that the nail-free rubber synthesized by using the chloroprene rubber, the chlorosulfonated polyethylene rubber and the ethylene propylene diene monomer rubber as main body materials has good aging resistance, and meets the outdoor use requirement.

Disclosure of Invention

The invention aims to provide weather-proof nail-free glue for outdoor use, which adopts chloroprene rubber, chlorosulfonated polyethylene rubber and ethylene propylene diene monomer rubber as base materials, is added with environment-friendly solvent, filler, metal powder, active magnesium oxide, p-tert-butylphenol formaldehyde resin, tackifying resin, coupling agent and antioxidant, has good bonding effect, moderate hardness, low toxicity, environmental protection and excellent aging resistance, and can meet the requirements of outdoor use.

The technical scheme adopted by the invention is as follows:

the weather-resistant nail-free glue for outdoor use is characterized by comprising the following components in parts by weight:

20-30 parts of chloroprene rubber

10-15 parts of chlorosulfonated polyethylene rubber

75-90 parts of environment-friendly solvent

90-105 parts of filler

15-20 parts of metal powder

1-2 parts of active magnesium oxide

7-10 parts of para-tert-butyl phenol formaldehyde resin

24-32 parts of tackifying resin

0.1-0.3 part of coupling agent

0.5-1.0 part of antioxidant

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the chloroprene rubber is at least one of Shanxi synthetic rubber group, namely, the company CR2442, the Japanese electric chemistry A90, the Japanese electric chemistry A30 and the Japanese electric chemistry M40.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the weather-resistant rubber is at least one of chlorosulfonated polyethylene rubber and ethylene propylene diene monomer rubber.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the environment-friendly solvent is a mixture of HDBE, FC-36 and NCC, and is prepared from the following components in parts by weight: HDBE: FC-36: NCC is 4-6: 1-3.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the filler is at least one of nano calcium carbonate and fumed silica.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the metal powder is at least one of titanium dioxide and aluminum silver powder.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the tackifying resin is at least one of C5 petroleum resin, C9 petroleum resin and terpene resin.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the coupling agent is at least one of KH-550 silane coupling agent, KH-551 silane coupling agent, KH-560 silane coupling agent and KH-570 silane coupling agent.

The outdoor weather-resistant nail-free glue according to claim 1, wherein: the antioxidant is at least one of antioxidant 1010, antioxidant 168, antioxidant 264, antioxidant 300 and antioxidant 2246.

The method for preparing the outdoor weather-resistant nail-free glue of claim 1, which is characterized in that: the method comprises the following steps:

firstly, plasticating rubber:

plasticating chloroprene rubber and weather-resistant rubber according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber, the environment-friendly solvent, the active magnesium oxide, the p-tert-butylphenol formaldehyde resin, the tackifying resin, the coupling agent and the antioxidant into a reaction kettle according to the weight part ratio, starting cooling water, dispersing and uniformly stirring to obtain the nail-free glue mother liquor.

Preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion, a small amount of filler and metal powder are added into the nail-free glue mother liquor, cooling water is started, and the nail-free glue mother liquor is uniformly dispersed at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Compared with the similar products in the market, the outdoor weather-resistant nail-free glue has the advantages that:

1. the adhesive strength is high, and the curing is fast;

2. the metal powder is added, so that light and heat radiation are reduced, the expansion coefficient of the colloid is changed, and the service life is prolonged;

3. the hardness of the glue is moderate after the glue is solidified;

4. the solvent system is environment-friendly and has high solid content;

5. chloroprene rubber is matched with weather-resistant rubber as a main body, so that the weather-resistant chloroprene rubber has excellent high-temperature resistance and aging resistance, and can meet the outdoor use requirement.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.

Example 1:

firstly, plasticating rubber:

plasticating 20 parts of chloroprene rubber and 10 parts of chlorosulfonated polyethylene rubber according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber obtained in the step (i), 50 parts of HDBE, 12.5 parts of FC-36, 12.5 parts of NCC, 1 part of active magnesium oxide, 7 parts of p-tert-butylphenol formaldehyde resin, 24 parts of C5 petroleum resin, 0.1 part of coupling agent and 0.5 part of antioxidant into a reaction kettle, starting cooling water, dispersing and uniformly stirring to obtain the nail-free glue mother solution.

Preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion ratio, putting 90 portions of nano calcium carbonate and 15 portions of titanium dioxide into the nail-free glue mother liquor prepared by the second step for a plurality of times, starting cooling water, and dispersing uniformly at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Example 2:

firstly, plasticating rubber:

plasticating 30 parts of chloroprene rubber and 10 parts of chlorosulfonated polyethylene rubber according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber obtained in the step (i), 50 parts of HDBE, 17.8 parts of FC-36, 17.8 parts of NCC, 1.5 parts of active magnesium oxide, 8 parts of p-tert-butylphenol formaldehyde resin, 10 parts of C5 petroleum resin, 15 parts of C9 petroleum resin, 0.15 part of coupling agent and 0.55 part of antioxidant into a reaction kettle, starting cooling water, dispersing and uniformly stirring to obtain the nail-free glue mother solution.

Preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion ratio, putting 45 portions of nano calcium carbonate, 45 portions of fumed silica, 10 portions of titanium dioxide and 10 portions of aluminum silver powder into the nail-free glue mother liquor for a small amount of times, starting cooling water, and dispersing uniformly at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Example 3:

firstly, plasticating rubber:

plasticating 25 parts of chloroprene rubber, 6 parts of chlorosulfonated polyethylene rubber and 6 parts of ethylene propylene diene monomer rubber according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber obtained in the step I, 42.5 parts of HDBE, 21.2 parts of FC-36, 21.2 parts of NCC, 1.2 parts of active magnesium oxide, 9 parts of p-tert-butylphenol formaldehyde resin, 15 parts of C5 petroleum resin, 15 parts of terpene resin, 0.2 part of coupling agent and 0.6 part of antioxidant into a reaction kettle according to the weight part ratio, starting cooling water, dispersing and uniformly stirring to obtain the nail-free glue mother solution.

Preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion, 50 portions of nano calcium carbonate, 50 portions of fumed silica and 15 portions of aluminum silver powder are put into the nail-free glue mother liquor for a plurality of times, cooling water is started, and the nail-free glue mother liquor is dispersed uniformly at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Example 4:

firstly, plasticating rubber:

plasticating 26 parts of chloroprene rubber and 14 parts of ethylene propylene diene monomer according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber obtained in the step I, 56.3 parts of HDBE, 22.5 parts of FC-36, 11.3 parts of NCC, 1.8 parts of active magnesium oxide, 10 parts of p-tert-butyl phenol formaldehyde resin, 28 parts of terpene resin, 0.3 part of coupling agent and 0.7 part of antioxidant into a reaction kettle, starting cooling water, dispersing and uniformly stirring to obtain the nail-free glue mother solution.

Preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion ratio, a small amount of 70 parts of nano calcium carbonate, 30 parts of fumed silica, 5 parts of titanium dioxide and 10 parts of aluminum silver powder are added into the nail-free glue mother liquor, cooling water is started, and the nail-free glue mother liquor is uniformly dispersed at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Example 5:

firstly, plasticating rubber:

plasticating 21 parts of chloroprene rubber, 6 parts of chlorosulfonated polyethylene rubber and 9 parts of ethylene propylene diene monomer rubber according to the weight part ratio, and shearing for later use;

preparing a nail-free glue mother solution:

adding the mixed rubber obtained in the step (i), 44.4 parts of HDBE, 11.1 parts of FC-36, 22.2 parts of NCC, 2 parts of active magnesium oxide, 9.5 parts of p-tert-butylphenol formaldehyde resin, 8 parts of C5 petroleum resin, 8 parts of C9 petroleum resin, 16 parts of terpene resin, 0.25 part of coupling agent and 1.0 part of antioxidant into a reaction kettle, starting cooling water, dispersing and uniformly stirring to obtain the nail-free glue mother solution.

Preparing the weather-resistant nail-free glue for outdoor use:

s1, according to the weight portion ratio, putting 60 portions of nano calcium carbonate, 40 portions of fumed silica, 8 portions of titanium dioxide and 9 portions of aluminum silver powder into the nail-free glue mother liquor for a small number of times, starting cooling water, and dispersing uniformly at a high speed;

s2, stopping the machine after the dissolution and the dispersion are uniform, sampling and detecting, metering and packaging after the product is qualified, and obtaining the outdoor weather-resistant nail-free glue.

Comparative example 6: SBS rubber type nail-free glue produced by Guangzhou company.

The related performances of the nail-free glue of the embodiments 1-5 and the comparative example 6 are carried out according to JC/T2186-2013 nail-free glue for indoor wall light decorative plates, and specific results are shown in the following table.

As can be seen from the above table, compared with the SBS rubber type nail-free glue (comparative example 6) which is common in the market, the outdoor weather-resistant nail-free glue has the advantages of higher hardness and bonding strength, obvious weather-resistant aging resistance, capability of meeting the outdoor use requirement of the nail-free glue and good social benefit.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.