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A heat-resistant and anti-peeling emulsion type pressure-sensitive adhesive

An anti-peeling, emulsion-type technology, applied in the direction of adhesives, adhesive types, graft polymer adhesives, etc., can solve the problems of poor peeling resistance, poor heat resistance, general heat resistance, etc. Improved heat resistance, enhanced peel resistance, enhanced heat resistance effects

Active Publication Date: 2017-10-13
BEIJING KEYING JINGYI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The heat resistance of the emulsion type pressure sensitive adhesive in the existing pressure sensitive adhesive is average, it cannot resist heat well in daily use, and the resistance to peeling is poor, so we propose a heat resistant and anti peeling emulsion type pressure sensitive adhesive. glue

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A heat-resistant and anti-peeling emulsion-type pressure-sensitive adhesive, comprising the following raw materials in parts by weight: 50 parts of water, 40 parts of acrylic acid, 40 parts of styrene-isoprene-styrene block copolymer, 30 parts of propane pitch, melamine 20 parts of resin, 20 parts of emulsifier, 12 parts of zinc dimethyl dithiocarbamate, 12 parts of benzoyl peroxide, 5 parts of polyvinyl ether, 4 parts of oxidizing agent, 1 part of reducing agent;

[0019] Its preparation method comprises the following steps:

[0020] S1, weigh 50 parts of water, 400 parts of acrylic acid, 40 parts of styrene-isoprene-styrene block copolymer, and 20 parts of emulsifier according to the weight ratio, and fully mix and stir the above raw materials to obtain a mixed solution A;

[0021] S2, put the mixed liquid A into the reactor, increase the temperature of the reactor to 70°C, then add 30 parts of propane asphalt, 20 parts of melamine resin, 12 parts of zinc dimethyl dit...

Embodiment 2

[0025] A heat-resistant and anti-peeling emulsion-type pressure-sensitive adhesive, comprising the following raw materials in parts by weight: 55 parts of water, 45 parts of acrylic acid, 45 parts of styrene-isoprene-styrene block copolymer, 35 parts of propane pitch, melamine 22 parts of resin, 22 parts of emulsifier, 14 parts of zinc dimethyl dithiocarbamate, 14 parts of benzoyl peroxide, 5.5 parts of polyvinyl ether, 4.5 parts of oxidizing agent, 1.25 parts of reducing agent;

[0026] Its preparation method comprises the following steps:

[0027] S1, weigh 55 parts of water, 45 parts of acrylic acid, 45 parts of styrene-isoprene-styrene block copolymer, and 22 parts of emulsifier according to the weight ratio, and fully mix and stir the above raw materials to obtain a mixed solution A;

[0028] S2, put the mixed solution A into the reactor, raise the temperature of the reactor to 72.5°C, then add 35 parts of propane asphalt, 22 parts of melamine resin, 14 parts of zinc dime...

Embodiment 3

[0032] A heat-resistant and anti-peeling emulsion-type pressure-sensitive adhesive, comprising the following raw materials in parts by weight: 60 parts of water, 50 parts of acrylic acid, 50 parts of styrene-isoprene-styrene block copolymer, 40 parts of propane pitch, melamine 24 parts of resin, 24 parts of emulsifier, 16 parts of zinc dimethyl dithiocarbamate, 16 parts of benzoyl peroxide, 6 parts of polyvinyl ether, 5 parts of oxidizing agent, 1.5 parts of reducing agent;

[0033] Its preparation method comprises the following steps:

[0034] S1. Weigh 60 parts of water, 50 parts of acrylic acid, 50 parts of styrene-isoprene-styrene block copolymer, and 24 parts of emulsifier according to the weight ratio, and fully mix and stir the above raw materials to obtain a mixed solution A;

[0035] S2, put the mixed liquid A into the reactor, raise the temperature of the reactor to 75°C, then add 40 parts of propane asphalt, 24 parts of melamine resin, 16 parts of zinc dimethyl dith...

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PUM

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Abstract

The invention discloses a heat-resistant and anti-stripping emulsion-type pressure-sensitive adhesive, which is prepared from the following raw materials in parts by weight: 50 to 70 parts of water, 40 to 60 parts of acrylic acids, 40 to 60 parts of isopiperylene-styrene block copolymers, 30 to 50 parts of propane asphaltic resin, 20 to 28 parts of melamine resin, 20 to 28 parts of emulsifying agents, 12 to 20 parts of zinc dimethyldithiocarbamate, 12 to 20 parts of benzoyl peroxide, 5 to 7 parts of polyvinyl ethyl ether, 4 to 6 parts of oxidizing agents, and 1 to 2 parts of reducing agents. A preparation method of the heat-resistant and anti-stripping emulsion-type pressure-sensitive adhesive comprises the following steps of S1, weighing the following raw materials in parts by weight according to a mixture ratio: 50 to 70 parts of the water, 40 to 60 parts of the acrylic acids, 40 to 60 parts of the isopiperylene-styrene block copolymers and 20 to 28 parts of the emulsifying agents, and sufficiently mixing and agitating the above raw materials, to obtain miscible liquid A; S2, putting the miscible liquid A into a reaction kettle, enabling the temperature of the reaction kettle to rise to 70 to 80 DEG C. The heat-resistant and anti-stripping emulsion-type pressure-sensitive adhesive is simple in preparation; a pre-emulsion is prepared first, and then the reactive raw materials are added; the operation is simple; further, the problem that the viscosity of an emulsion-type pressure-sensitive adhesive is higher is solved; the heat-resistant and anti-stripping emulsion-type pressure-sensitive adhesive is more stable.

Description

technical field [0001] The invention relates to the technical field of heat-resistant and anti-peeling emulsion pressure-sensitive adhesive, in particular to a heat-resistant and anti-peeling emulsion type pressure-sensitive adhesive. Background technique [0002] Pressure sensitive adhesives are a class of adhesives that are sensitive to pressure. Emulsion-type pressure-sensitive adhesive is a mainstream product of pressure-sensitive adhesive. It is mainly used to form a layer of pressure-sensitive adhesive film after being coated on the substrate and it is surface-dried. It is a common variety of pressure-sensitive adhesive and is often used in industrial fields, In the medical field, etc., pressure-sensitive adhesives are an adhesive that is closely related to people's daily life, and it is also one of the most widely used and largest adhesive varieties. In fact, the bonding construction of all adhesives is required to be completed under certain pressure conditions, but ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J151/00C09J11/06C08F291/12C08F291/00
CPCC08F283/00C08F287/00C08F289/00C08K5/14C08K5/39C09J11/06C09J151/00C08F220/06
Inventor 吴兴伟
Owner BEIJING KEYING JINGYI TECH
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