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Manufacturing method of high-elasticity pressure-sensitive adhesive for reflective film

A manufacturing method and high-elasticity technology, applied in pressure-sensitive films/sheets, film/sheet-like adhesives, adhesives, etc., can solve problems such as poor resilience and toughness, achieve excellent impact resistance and rebound, improve the use of The effect of life, excellent tack and retention

Active Publication Date: 2020-01-21
浙江龙游道明光学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a new method for manufacturing a high-elastic pressure-sensitive adhesive for reflective films, aiming at the defects of poor rebound toughness and other defects of the pressure-sensitive adhesive layer for reflective films in the prior art.

Method used

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  • Manufacturing method of high-elasticity pressure-sensitive adhesive for reflective film
  • Manufacturing method of high-elasticity pressure-sensitive adhesive for reflective film
  • Manufacturing method of high-elasticity pressure-sensitive adhesive for reflective film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] A method for manufacturing a high-elastic pressure-sensitive adhesive for a reflective film, comprising the following components by weight:

[0070] 100 parts of poly(meth)acrylic acid copolymer,

[0071] 1.5 parts of reactive liquid nitrile rubber,

[0072] 0.1 part of epoxy crosslinking agent,

[0073] 5 parts of expanded microspheres,

[0074] 45 parts of organic solvent,

[0075] Described organic solvent is the mixture of one or two kinds of ester solvent or ketone solvent, and its manufacture method is:

[0076] Q1: At room temperature, take the organic solvent and poly(meth)acrylic acid copolymer in the above weight ratio and put them into a high-speed mixer for pre-dispersion treatment, and stir for 20 minutes at a stirring speed of 800r / min to obtain dispersion A;

[0077] Q2: Take the reactive liquid nitrile rubber and expanded microspheres in the above weight ratio and add them to the dispersion A and continue to stir for 30 minutes to obtain the dispersi...

Embodiment 2

[0108] A method for manufacturing a high-elastic pressure-sensitive adhesive for a reflective film, comprising the following components by weight:

[0109] 100 parts of poly(meth)acrylic acid copolymer,

[0110] 10 parts of reactive liquid nitrile rubber,

[0111] 0.8 part of epoxy crosslinking agent,

[0112] 10 parts of expanded microspheres,

[0113] 60 parts of organic solvent,

[0114] Described organic solvent is the mixture of one or two kinds of ester solvent or ketone solvent, and its manufacture method is:

[0115] Q1: At room temperature, take the organic solvent and poly(meth)acrylic acid copolymer in the above weight ratio and put them into a high-speed mixer for pre-dispersion treatment, and stir for 30 minutes at a stirring speed of 1500r / min to obtain dispersion A;

[0116] Q2: Take the reactive liquid nitrile rubber and expanded microspheres in the above weight ratio and add them to the dispersion A and continue to stir for 30 minutes to obtain the dispers...

Embodiment 3

[0147] A method for manufacturing a high-elastic pressure-sensitive adhesive for a reflective film, comprising the following components by weight:

[0148] 100 parts of poly(meth)acrylic acid copolymer,

[0149] Reactive liquid nitrile rubber 5.8 parts,

[0150] 0.45 parts of epoxy cross-linking agent,

[0151] 7.5 parts of expanded microspheres,

[0152] 52.5 parts of organic solvent,

[0153] Described organic solvent is the mixture of one or two kinds of ester solvent or ketone solvent, and its manufacture method is:

[0154] Q1: At room temperature, take the organic solvent and poly(meth)acrylic acid copolymer in the above weight ratio and put them into a high-speed mixer for pre-dispersion treatment, and stir for 25 minutes at a stirring speed of 1150r / min to obtain dispersion A;

[0155] Q2: Take the reactive liquid nitrile rubber and expanded microspheres in the above weight ratio and add them to the dispersion A and continue to stir for 30 minutes to obtain the dis...

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Abstract

The invention relates to the technical field of pressure-sensitive adhesives for reflective films, and particularly relates to a manufacturing method of a high-elasticity pressure-sensitive adhesive for a reflective film. The pressure-sensitive adhesive comprises the following components in parts by weight: 100 parts of a poly(meth)acrylic acid copolymer, 1.5 to 10 parts of reactive liquid nitrile-butadiene rubber, 0.1 to 0.8 part of an epoxy cross-linking agent, 5 to 10 parts of expanded microspheres and 45 to 60 parts of an organic solvent. The raw materials are selected as components of thehigh-elasticity pressure-sensitive adhesive for the reflective film, and the finally prepared pressure-sensitive adhesive has excellent elasticity, and after the pressure-sensitive adhesive is subjected to external impact, the high-flexibility poly(meth)acrylic acid copolymer and air bags in the expanded microspheres can absorb a certain amount of energy, so that the damage to a product is reduced; meanwhile, the poly(meth)acrylic acid copolymer has excellent initial adhesion and cohesion, so that the product has better constructability, and the pressure-sensitive adhesive can be attached toa base material only by applying a little external pressure during use, is not easy to fall off and warp, and has longer service lifetime.

Description

technical field [0001] The invention relates to a pressure-sensitive adhesive for a reflective film, in particular to a method for manufacturing a high-elasticity pressure-sensitive adhesive for a reflective film. Background technique [0002] As a kind of reversible reflective film, reflective film has been widely used in people's social life. As the application of reflective film becomes more and more mature, reflective film is also used in a wider range of fields. For example, the transportation industry will use it on road signs, car license plates, In terms of guardrails, anti-collision bars, etc., the surface of the reflective film is easily scratched and worn in these common application scenarios. The current reflective film is generally composed of multi-layer polymer resin coating, glass bead layer and pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer generally has relatively strong rigidity and poor rebound toughness, which leads to The refl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J109/02C09J11/06C09J7/38C08F220/18C08F220/14C08F218/08C08F236/06C08F222/02
CPCC08F220/18C09J11/06C09J133/08C09J7/385C09J2301/302C09J2301/412C08L9/02C08K5/1515C08K5/17
Inventor 郑小平舒林飞胡锋胡浩亨苏国芳王晨
Owner 浙江龙游道明光学有限公司
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