阅读说明：本技术 一种耐候免钉胶及制备方法 (Weather-resistant nail-free glue and preparation method thereof ) 是由 全文高 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制备方法,主要成分为氯丁橡胶20~38、氯磺化橡胶10~20、快干环保溶剂40~60、填料2-6、苏州映美色精0-1、补强填料5~10、补强纤维2~7、增粘树脂10~23、偶联剂0.5~1、抗氧剂0.5~2。本发明的优点是：1.纤维补强,内聚力与粘接强度高；2.施工性能好,快干环保溶剂体系,固含量高,低毒环保；3.橡胶体系强化,氯磺化橡胶补强,耐老化性能优异,可满足户外使用需求。(The invention discloses an outdoor weather-resistant nail-free glue and a preparation method thereof, and the main components of the glue are 20-38 parts of chloroprene rubber, 10-20 parts of chlorosulfonated rubber, 40-60 parts of a quick-drying environment-friendly solvent, 2-6 parts of a filler, 0-1 part of Suzhou enantiomeric chromatine, 5-10 parts of a reinforcing filler, 2-7 parts of a reinforcing fiber, 10-23 parts of tackifying resin, 0.5-1 part of a coupling agent and 0.5-2 parts of an antioxidant. The invention has the advantages that: 1. the fiber is reinforced, and the cohesion and the bonding strength are high; 2. the construction performance is good, the solvent system is quick-drying and environment-friendly, the solid content is high, and the toxicity is low and the environment is protected; 3. the rubber system is reinforced, the chlorosulfonated rubber is reinforced, the aging resistance is excellent, and the outdoor use requirement can be met.)

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

chloroprene rubber 20-38

10-20 parts of chlorosulfonated rubber

40-60 parts of quick-drying environment-friendly solvent

2-6 of filler

Suzhou Yingmeijing 0-1

5-10 of reinforcing filler

2 to 7 reinforcing fibers

10-23 parts of tackifying resin

0.5 to 1 part of a coupling agent

0.5-2% of antioxidant.

2. The weather-resistant nail-free glue according to claim 1, wherein: the chloroprene rubber is at least one of Bayer 320, Bayer 310 and Bayer 220.

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

4. The weather-resistant nail-free glue according to claim 1, wherein: the quick-drying environment-friendly solvent is at least one of DEC (diethyl carbonate), GBL (1, 4-butyrolactone) and ethylene glycol tertiary butyl ether in parts by weight.

5. The weather-resistant nail-free glue according to claim 1, wherein: the filler is at least one of 300-2500-mesh mica powder, active magnesium oxide and attapulgite.

6. The weather-resistant nail-free glue according to claim 1, wherein: the reinforcing filler is prepared from nano calcium carbonate, fumed silica =1-7 by weight: 1-9.

7. The weather-resistant nail-free glue according to claim 1, wherein: the reinforcing fiber is prepared from 20-500 meshes of glass fiber powder, 0.5-2mm of polypropylene fiber = 1-8: 1-3.

8. The weather-resistant nail-free glue according to claim 1, wherein: the tackifying resin is prepared from hydrogenated rosin in parts by weight: esterification of rosin: maleated rosin: para-tert-butyl phenol formaldehyde resin = 0-5: 1-8: 1-5: 0-4.

9. The 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.

10. The weather-resistant nail-free glue according to claim 1, wherein: the antioxidant is at least one of antioxidant 1010, antioxidant 168, antioxidant 264, antioxidant 1076 and antioxidant 2246.

11. The method for preparing the weather-resistant nail-free glue according to claim 1, wherein the method comprises the following steps: the preparation method comprises the following steps: according to the weight ratio, the reinforcing filler and the reinforcing fiber are dehydrated in vacuum and dispersed evenly, chloroprene rubber, chlorosulfonated rubber, quick-drying environment-friendly solvent, Suzhou enantiomeric improvement essence, tackifying resin and antioxidant are added according to the weight ratio, and the finished product is obtained after the dispersion, the even stirring, the metering and the packaging.

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 can replace nails to the maximum extent, has the characteristic that glass glue can be stretched and the characteristic that toughened glue can be quickly adhered, can be used for basically all materials, and is an adhesive with good development prospect. The nail-free glue is a multifunctional building structure strong glue with strong adhesive force. After drying, the paint will not shrink to the lower limit, and can be used for filling joints and painting. The adhesive is convenient and easy to use in winter, and can even be used for bonding wet wood. The nail-free adhesive has elasticity, can move along with the adhered object, has firm and lasting adhering force, and cannot influence the adhering effect due to the contraction and movement of the adhered object. The nail-free glue is suitable for: wood, gypsum board, medium density fiberboard, particle board, stone, cement, brick, tile, metal, plastic, glass and other building materials.

However, the existing nail-free glue on the market mostly adopts SBS rubber, styrene rubber and the like as main materials, halogenated hydrocarbon and aromatic hydrocarbon are used as solvents, 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, and the limit of harmful substances cannot meet the standard requirement of GB 18583 'Limited quantity of harmful substances in adhesives for indoor decoration materials'.

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

The chloroprene rubber and the chlorosulfonated polyethylene rubber have excellent weather-proof aging performance, so that the nail-free glue synthesized by using the chloroprene rubber and the chlorosulfonated polyethylene rubber as main materials has good aging resistance and meets the requirement of outdoor use.

Disclosure of Invention

The invention aims to provide the outdoor weather-resistant nail-free glue which adopts chloroprene rubber and chlorosulfonated polyethylene rubber as base materials, is added with mixed solvent, filler, active magnesium oxide, p-tert-butylphenol formaldehyde resin, tackifying resin, coupling agent and antioxidant, has good bonding effect, 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:

chloroprene rubber 20-38

10-20 parts of chlorosulfonated rubber

40-60 parts of quick-drying environment-friendly solvent

2-6 of filler

Suzhou ent 0-1

5-10 of reinforcing filler

2 to 7 reinforcing fibers

10-23 parts of tackifying resin

0.5 to 1 part of a coupling agent

0.5-2% of an antioxidant;

the chloroprene rubber is at least one of Bayer 320, Bayer 310 and Bayer 220;

the chlorosulfonated rubber is at least one of chlorosulfonated polyethylene rubber and chlorosulfonated polypropylene rubber;

the quick-drying environment-friendly solvent is at least one of DEC (diethyl carbonate), GBL (1, 4-butyrolactone) and ethylene glycol tertiary butyl ether;

the filler is at least one of 300-2500-mesh mica powder, active magnesium oxide and concave-convex bentonite;

the reinforcing filler is prepared from nano calcium carbonate, fumed silica =1-7 by weight: 1 to 9;

the reinforcing fiber is prepared from 20-500 meshes of glass fiber powder, 0.5-2mm of polypropylene fiber = 1-8: 1-3;

the tackifying resin is prepared from hydrogenated rosin in parts by weight: esterification of rosin: maleated rosin: para-tert-butyl phenol formaldehyde resin = 0-5: 1-8: 1-5: 0 to 4;

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 antioxidant is at least one of antioxidant 1010, antioxidant 168, antioxidant 264, antioxidant 1076 and antioxidant 2246;

the preparation method of the weather-resistant nail-free glue is characterized by comprising the following steps: the preparation method comprises the following steps: according to the weight ratio, the reinforcing filler and the reinforcing fiber are dehydrated in vacuum and dispersed evenly, chloroprene rubber, chlorosulfonated rubber, quick-drying environment-friendly solvent, Suzhou enantiomeric improvement essence, tackifying resin and antioxidant are added according to the weight ratio, and the finished product is obtained after the dispersion, the even stirring, the metering and the packaging.

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

1. the fiber is reinforced, and the cohesion and the bonding strength are high;

2. the construction performance is good, the solvent system is quick-drying and environment-friendly, the solid content is high, and the VOC is low;

3. the rubber system is reinforced, the chlorosulfonated rubber is reinforced, the aging resistance is excellent, and the outdoor use requirement can be met.

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:

the preparation method comprises the following steps: according to the weight ratio, 3 parts of nano calcium carbonate, 3 parts of fumed silica, 1.5 parts of 20-500-mesh glass fiber powder and 1 part of 0.5-2mm polypropylene fiber are dehydrated in vacuum and dispersed uniformly, and then, 20 parts of Bayer 32010, 31010, 13 parts of chlorosulfonated polyethylene rubber, 20 parts of DEC (diethyl carbonate), 20 parts of GBL (1, 4-butyrolactone), 1 part of 300-sand 2500-mesh mica powder, 2 parts of active magnesium oxide, 0.5 part of Suzhou enantiomeric mercurochrome and 3 parts of hydrogenated rosin are added: 4 parts of esterified rosin: 6 parts of maleated rosin, 0.4 part of KH-550 silane coupling agent, 0.2 part of KH-551 silane coupling agent, 10100.6 parts of antioxidant and 1680.8 parts of antioxidant are dispersed, stirred uniformly, measured and packaged to obtain the finished product.

Example 2:

the preparation method comprises the following steps: according to the weight ratio, 2 parts of nano calcium carbonate, 4 parts of fumed silica, 1.5 parts of 20-500-mesh glass fiber powder and 0.7 part of 0.5-2mm polypropylene fiber are dehydrated in vacuum and dispersed uniformly, and then added with 31012 parts of Bayer, 22011 parts of Bayer, 15 parts of chlorosulfonated polypropylene rubber, 25 parts of GBL (1, 4-butyrolactone), 15 parts of ethylene glycol tert-butyl ether, 1 part of active magnesium oxide, 1.2 parts of concave-convex bentonite, 3 parts of esterified rosin, 4 parts of maleated rosin, 3 parts of p-tert-butylphenol formaldehyde resin, 0.3 part of KH-551 silane coupling agent, 0.6 part of KH-560 silane coupling agent, 1680.4 parts of antioxidant and 2640.3 parts of antioxidant, and then dispersed, stirred uniformly, measured and packaged to obtain the finished product.

Example 3:

the preparation method comprises the following steps: according to the weight proportion, 1 part of nano calcium carbonate, 4 parts of fumed silica, 1.5 parts of 20-500-mesh glass fiber powder and 0.5 part of 0.5-2mm polypropylene fiber are dehydrated in vacuum and dispersed uniformly, and then, 5 parts of Bayer 32013 parts, Bayer 2209 parts, chlorosulfonated polyethylene rubber, 5 parts of chlorosulfonated polypropylene rubber, 14 parts of DEC (diethyl carbonate), 16 parts of GBL (1, 4-butyrolactone), 10 parts of ethylene glycol tert-butyl ether, 1 part of 300-mangosteen powder with 2500 meshes, 2 parts of concave-convex bentonite, 0.5 part of Suzhou-enan Mei essence, 9 parts of esterified rosin, 6 parts of maleated rosin, 0.5 part of KH-560 silane coupling agent, 0.5 part of KH-570 silane coupling agent, 2640.1 parts of antioxidant and 10760.4 parts of antioxidant are added and dispersed, and then the finished product is obtained after metering and packaging.

Example 4:

the preparation method comprises the following steps: according to the weight ratio, 2.5 parts of nano calcium carbonate, 2.5 parts of fumed silica, 2 parts of 20-500 mesh glass fiber powder and 1.5 parts of 0.5-2mm polypropylene fiber are dehydrated in vacuum and dispersed uniformly, 5 parts of Bayer 32022 parts, 14 parts of chlorosulfonated polypropylene rubber, 5 parts of DEC (diethyl carbonate), 18 parts of GBL (1, 4-butyrolactone), 17 parts of ethylene glycol tert-butyl ether, 1 part of 300-mesh 2500-mesh mica powder, 1 part of active magnesium oxide, 1 part of concave-convex bentonite, 4 parts of hydrogenated rosin, 5 parts of esterified rosin, 1 part of maleated rosin, 1 part of p-tert-butyl phenol formaldehyde resin, 0.3 part of KH-551 silane coupling agent, 0.3 part of KH-570 silane coupling agent, 10760.5 parts of antioxidant and 22460.4 parts of antioxidant are added and dispersed, and the finished product is obtained after metering and packaging.

Comparative example 5: SBS rubber type nail-free glue produced by a certain company.

The related performances of the nail-free glue of the embodiments 1-4 and the comparative example 5 are carried out by referring 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 5) 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 general requirements of outdoor use 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.