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Moisture cured multi-constituties grafting solvent-based adhesive

A moisture-curing, solvent-based technology, applied in the direction of graft polymer adhesives, adhesive types, adhesives, etc. Problems such as poor performance

Active Publication Date: 2012-05-30
力森诺科材料(无锡)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, adhesives that are effective for bonding polar materials are extremely poor for bonding non-polar materials, and adhesives that are suitable for bonding non-polar materials are not suitable for bonding polar materials; With the development of the automotive material industry and the diversification of materials for automotive interior parts, the bonding between polar materials and non-polar materials has become a development trend. Traditional adhesives are obviously no longer able to meet the needs of automotive interiors. Adhesives with good adhesion to both polar substrates and non-polar substrates are urgently needed
On the other hand, traditional solvent-based adhesives contain toxic substances such as benzene, which are harmful to human health and do not conform to the international mainstream of environmental protection.

Method used

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  • Moisture cured multi-constituties grafting solvent-based adhesive
  • Moisture cured multi-constituties grafting solvent-based adhesive
  • Moisture cured multi-constituties grafting solvent-based adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Prepare the moisture-curing multi-component grafting solvent-based adhesive according to the following steps:

[0056] (1) Add 31.00g MCH and 10.00gMMA to a reaction kettle with a stirrer and a condenser, stir evenly, add 8.00g CR rubber (brand A-90) and 1.50g SIS rubber (brand 5516), and heat up to 70℃~80℃, stir at this temperature until a transparent liquid A is obtained;

[0057] (2) Add 0.06g benzoyl peroxide (brand BPO-50) in transparent clear liquid A, stir 10 minutes, obtain mixed solution I;

[0058] (3) 0.27g GMA, 0.14g AM and 4.90g MMA were dissolved in 2.97g MCH to obtain solution B;

[0059] (4) Add solution B dropwise to mixed solution I at a rate of 1 drop / 6 seconds, and control the temperature at 82°C to 87°C. After adding solution B, continue stirring for 90 minutes at this temperature to obtain mixed solution II;

[0060] (5) 8.75g of petroleum resin, 1.15g of terpene resin, 0.20g of antioxidant 1010, and 0.20g of antioxidant A-168 were dissolved in ...

Embodiment 2

[0075] Prepare the moisture-curing multi-component grafting solvent-based adhesive according to the following steps:

[0076] (1) Add 30.00g MCH and 10.00gMMA to a reaction kettle with a stirrer and a condenser, stir evenly, add 7.92g CR rubber (brand A-90) and 1.58g SBS rubber (brand 3206), and heat up to 70℃~80℃, stir at this temperature until a transparent liquid A is obtained;

[0077] (2) Add 0.08g benzoyl peroxide (brand BPO-50) in transparent clear liquid A, stir for 10 minutes, obtain mixed solution I;

[0078] (3) 0.27g GMA, 0.14g AM and 4.70g MMA were dissolved in 3.95g MCH to obtain solution B;

[0079] (4) Add solution B dropwise to mixed solution I at a rate of 1 drop / 6 seconds, and control the temperature at 82°C to 87°C. After adding solution B, continue stirring for 90 minutes at this temperature to obtain mixed solution II;

[0080] (5) 7.40g of petroleum resin, 2.46g of terpene resin, 0.20g of antioxidant 1010, and 0.20g of antioxidant 168 were dissolved i...

Embodiment 3

[0095] Prepare the moisture-curing multi-component grafting solvent-based adhesive according to the following steps:

[0096] (1) Add 32.00g MCH and 10.00gMMA to a reaction kettle with a stirrer and a condenser, stir evenly, add 7.02g CR rubber (brand A-90) and 1.42g SBS rubber (brand 3206), and heat up to 70℃~80℃, stir at this temperature until a transparent liquid A is obtained;

[0097] (2) Add 0.06g benzoyl peroxide (brand BPO-50) in transparent clear liquid A, stir 10 minutes, obtain mixed solution I;

[0098] (3) 0.27g GMA, 0.14g AM and 4.70g MMA were dissolved in 2.97g MCH to obtain solution B;

[0099] (4) Add solution B dropwise to mixed solution I at a rate of 1 drop / 6 seconds, and control the temperature at 82°C to 87°C. After adding solution B, continue stirring for 90 minutes at this temperature to obtain mixed solution II;

[0100] (5) 8.71g of petroleum resin, 1.20g of terpene resin, 0.20g of antioxidant 1010, and 0.20g of antioxidant 168 were dissolved in a mi...

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Abstract

The invention discloses a moisture cured multi-constituties grafting solvent-based adhesive, which is prepared by processing the following components in part by weight: 5 to 15 parts of main body, 0 to 0.2 part of initiator, 0.2 to 10 parts of grafting monomer, 1 to 15 parts of thickening agent, 0 to 1 part of antioxidant, 0.5 to 2.5 parts of silane coupling agent and 31 to 95 parts of solvent through processes of grafting, coupling and the like. The adhesive does not contain toxic substances such as benzene and the like which are harmful to human bodies, and has the advantages of good stability of components of products, safety and environmental protection; and simultaneously, the adhesive has the excellent cohesive force for polar materials and nonpolar materials, can bond various materials such as rubber, leather, fabrics, foam plastics, PVC leather, PU leather, plastics, surface veneer of color prints and the like, and are widely suitable for vehicle material markets and shoe manufacturing industry.

Description

technical field [0001] The invention belongs to the field of adhesives, in particular to a moisture-cured multi-component grafting solvent-based adhesive. Background technique [0002] With the improvement of people's living standards and the rapid development of the automobile industry, people pay more and more attention to the interior decoration of automobiles. The interior decoration has become the most important area for people to show their taste and individuality besides housing decoration, which also promotes the automobile industry. The rapid development of the interior parts industry. Adhesives are an important medium for bonding various automotive interior parts to automotive substrates. Commonly used adhesives mainly include neoprene (CR) series adhesives and styrene thermoplastic elastomer series adhesives. Neoprene series adhesives have good bonding effect on polar substrates such as polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene copolymer (ABS), po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J151/04C09J151/00
Inventor 从赫雷赖建成
Owner 力森诺科材料(无锡)有限公司
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