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A kind of heat-losing acrylate pressure-sensitive adhesive, preparation method and application method

A technology of acrylate and lauryl acrylate, which is applied in the field of pressure-sensitive adhesives, can solve the problems of adhesive residue on protective film tape, increased tape peeling force, and residual adhesive on the attached object, etc., and achieves convenient operation, short time consumption, and good adhesion Effect of Strength and Impact Strength

Active Publication Date: 2021-08-17
东莞市骏青电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of processing, due to heating or cutting friction, the adhesive of the protective film tape will remain on the object to be pasted, and the object must be cleaned due to the residual glue
Or because the peeling force of the tape is increased, when the components are peeled off, the components are brought up and the product is damaged.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A heat-losing acrylate pressure-sensitive adhesive, comprising the following raw materials in parts by weight: 20 parts of lauryl acrylate, 3 parts of acrylic acid, 10 parts of vinyl acetate, 7 parts of hydroxyethyl acrylate, 3 parts of foamed microspheres, and 50 parts of solvent parts, 0.2 parts of initiator.

[0023] The solvent is a mixture of xylene and ethyl ester in a weight ratio of 4:6.

[0024] The initiator is an azobisisobutyronitrile initiator.

[0025] A method for preparing a heat-losing acrylate pressure-sensitive adhesive as described above, comprising the following steps: A, taking the raw materials in parts by weight of the formula, and set aside, B, taking all the backed up lauryl acrylate, acrylic acid, vinyl acetate, Add hydroxyethyl acrylate and 80% solvent into the reaction kettle and mix until uniform, slowly heat up until the material boils and keep it at the boiling temperature, C, put the initiator and the remaining solvent in the container,...

Embodiment 2

[0029] A heat-losing acrylate pressure-sensitive adhesive, comprising the following raw materials in parts by weight: 20-21 parts of lauryl acrylate, 3.5 parts of acrylic acid, 11 parts of vinyl acetate, and 7.5 parts of hydroxyethyl acrylate , 3.5 parts of foamed microspheres, 52 parts of solvent, and 0.25 parts of initiator.

[0030] The solvent is a mixture of xylene and ethyl ester at a weight ratio of 4.5:6.5.

[0031] The initiator is an azobisisobutyronitrile initiator.

[0032] Also included is 0.2 parts by weight of an isocyanate curing agent.

[0033] A method for preparing a heat-losing acrylate pressure-sensitive adhesive as described above, comprising the following steps: A, taking the raw materials in parts by weight of the formula, and set aside, B, taking all the backed up lauryl acrylate, acrylic acid, vinyl acetate, Add hydroxyethyl acrylate and 80% solvent into the reaction kettle and mix until uniform, slowly heat up until the material boils and keep it a...

Embodiment 3

[0038] A heat-losing acrylate pressure-sensitive adhesive, comprising the following raw materials in parts by weight: 22 parts of lauryl acrylate, 4 parts of acrylic acid, 12 parts of vinyl acetate, 8 parts of hydroxyethyl acrylate, hair 4 parts of bubble microspheres, 55 parts of solvent, and 0.3 parts of initiator.

[0039] The solvent is a mixture of xylene and ethyl ester in a weight ratio of 4.8:6.7.

[0040] The initiator is an azobisisobutyronitrile initiator.

[0041] Also included is 0.3 parts by weight of an isocyanate curing agent.

[0042] A method for preparing a heat-losing acrylate pressure-sensitive adhesive as described above, comprising the following steps: A, taking the raw materials in parts by weight of the formula, and set aside, B, taking all the backed up lauryl acrylate, acrylic acid, vinyl acetate, Add hydroxyethyl acrylate and 80% solvent into the reaction kettle and mix until uniform, slowly heat up until the material boils and keep it at the boil...

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PUM

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Abstract

The invention relates to the technical field of pressure-sensitive adhesives, in particular to a heat-losing acrylate pressure-sensitive adhesive, a preparation method and a use method, comprising the following raw materials in parts by weight: 20-25 parts of lauryl acrylate, 3-5 parts of acrylic acid, 10-15 parts of vinyl acetate, 7-10 parts of hydroxyethyl acrylate, 3-5 parts of foamed microspheres, 50-60 parts of solvent, and 0.2-0.5 parts of initiator. The pressure-sensitive adhesive of the present invention has good bonding strength and impact resistance below 80°C, and has good performance reproducibility. When the ambient temperature is higher than 100°C, it can be separated from the adherend by itself without residual glue. Thus, the adherend will not be damaged or polluted.

Description

technical field [0001] The invention relates to the technical field of pressure-sensitive adhesives, in particular to a heat-losing acrylate pressure-sensitive adhesive, a preparation method and a use method. Background technique [0002] Acrylic pressure-sensitive adhesives are a type of adhesives that are widely used and are developing very rapidly. Solvent-based acrylate pressure-sensitive adhesives have many advantages such as low average relative molecular weight, good wettability, high initial adhesion, fast drying speed, and good water resistance. So far, they have been widely used in the production of medical tapes, pressure-sensitive adhesive labels, BOPP packing tape, double-sided tape, explosion-proof tape, etc. [0003] With the rapid development of electronic manufacturing technology, protective films are required in many manufacturing processes. For example, when the metal frame is CNC processed, it is necessary to paste the protective film tape. However, in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J133/08C09J7/38C08F220/18C08F220/06C08F218/08C08F220/20
CPCC09J11/06C09J133/14C09J7/385C08F220/1818C09J2301/122C09J2301/414C08K5/29C08F220/06C08F218/08C08F220/20
Inventor 张涛辉徐智超叶启亮
Owner 东莞市骏青电子科技有限公司
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