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Acrylic ester pressure-sensitive adhesive for window film

A pressure-sensitive adhesive, acrylate technology, applied in the direction of monocarboxylate copolymer adhesive, adhesive, ester copolymer adhesive, etc. It can solve the problems of poor storage stability of the agent, and achieve the effect of good static electricity conduction, not easy to absorb dust, and flat surface.

Inactive Publication Date: 2012-06-13
西安航天三沃化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The antistatic adhesives commonly used in my country now are mixed with metal powder in the adhesive to solve the problem of static electricity, but this adhesive has the following problems: 1) Compatibility between the metal powder and the adhesive matrix polymer resin (or rubber) Poor performance, resulting in poor storage stability of the adhesive; 2) The general aluminum powder, copper powder, etc. have poor anti-aging performance after being added to the adhesive, and the electrostatic conductivity is gradually weakened due to oxidation, and the cost of adding silver powder is too high
After the solvent-based acrylate adhesive is coated on the PET substrate, after curing and aging, a release film is pasted to make a window film. When the window film is pasted on glass and other substrates, it will generate large static electricity. , it will cause the window film to be difficult to apply, the surface to be applied will be uneven, and there will be dust particles on the surface, which will affect the appearance

Method used

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  • Acrylic ester pressure-sensitive adhesive for window film
  • Acrylic ester pressure-sensitive adhesive for window film
  • Acrylic ester pressure-sensitive adhesive for window film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Two parts of raw materials for preparing the acrylate pressure-sensitive adhesive are weighed separately, and the sum of the components of the two parts of the raw materials is within the range of the mass ratio percentage of each raw material component set. In a 1000ml four-neck flask equipped with a thermometer, a reflux condenser and a dropping funnel, add the first raw material components, the acrylate monomers contained: by mass percentage, there are 1.6% acrylic acid, 2-ethylhexyl acrylic acid 5.8% of ester, 1.3% of hydroxyethyl acrylate and 3.2% of methyl methacrylate; functional monomer: by mass percentage, there is 0.3% of glycidyl methacrylate, polymerizable surface active monomer: by mass percentage, Contains 1.0% of polymerizable monoquaternary ammonium cationic surfactant; initiator: 0.16% of azobisisobutyronitrile by mass percentage; solvent: 16.1% of methanol and 14.7% of ethyl acetate by mass percentage. The temperature of the first raw material componen...

Embodiment 2

[0025] Two parts of raw materials for preparing the acrylate pressure-sensitive adhesive are weighed separately, and the sum of the components of the two parts of the raw materials is within the range of the mass ratio percentage of each raw material component set. In a 1000ml four-necked flask equipped with a thermometer, a reflux condenser and a dropping funnel, add the first part of raw material components. The acrylate monomers contained are: by mass percentage, 3.2% acrylic acid, 2-ethylhexyl acrylic acid 3.2% ester, 0.8% hydroxyethyl acrylate, 4.0% methyl methacrylate, 1.4% methyl acrylate, functional monomers: by mass percentage, vinyl acetate 1.0%, surface active monomers: by mass percentage In total, polymerizable monoquaternary ammonium salt cationic surfactant 1.5%, initiator: by mass percentage, azobisisobutyronitrile 0.16%, solvent: by mass percentage, methanol 16.0%, ethyl acetate 8%. Raise the temperature to 55°C, and after reacting for 1-3 hours, slowly add the...

Embodiment 3

[0029] Two parts of raw materials for preparing the acrylate pressure-sensitive adhesive are weighed separately, and the sum of the components of the two parts of the raw materials is within the range of the mass ratio percentage of each raw material component set. In a 1000ml four-necked flask equipped with a thermometer, a reflux condenser and a dropping funnel, add the first raw material components. The acrylate monomers contained are: by mass percentage, 3.2% acrylic acid, 2-ethylhexyl acrylic acid 3.2% ester, 0.8% hydroxyethyl acrylate, 4.0% butyl acrylate, 1.4% methyl acrylate, functional monomers: by mass percentage, acrylonitrile 1.0%, surface active monomers: by mass percentage, can Polymerized diquaternary ammonium salt cationic surfactant 1.5%, initiator: by mass percentage, benzoyl peroxide 0.16%, solvent: by mass percentage, methanol 16.0%, ethyl acetate 8%. Raise the temperature to 55°C, and after reacting for 1-3 hours, slowly add the second raw material compone...

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Abstract

The invention provides an acrylic ester pressure-sensitive adhesive for a window film. Raw materials of the adhesive are composed of an acrylate monomer, a functional monomer, a polymerizing surface active monomer, an initiating agent and an organic solvent, and the adhesive is mainly used as automobile films. A preparation method of the adhesive is adding the acrylate monomer, the functional monomer, the polymerizing surface active monomer and the initiating agent into the solvent slowly to be polymerized. The adhesive is good in anti-static effect and transparent performance, strong in adhesion and high in peel strength.

Description

technical field [0001] The invention relates to an adhesive and a preparation method thereof, in particular to an acrylate pressure-sensitive adhesive for an antistatic window film and a preparation method thereof, which is mainly used as an adhesive for an automobile window film. Background technique [0002] Acrylate pressure-sensitive adhesives are a large category of adhesives. Their polymers have excellent weather resistance, UV resistance, heat resistance, water resistance, chemical resistance, transparent color, and good compatibility with dyes. Therefore, this year get rapid development. At present, the domestic window film [0003] The transparency is not high, the weather resistance and high temperature resistance are poor, and when it is pasted on the car glass plate, the static electricity is relatively large, and it is easy to absorb dust, resulting in impurities on the pasting surface, which affects the appearance and visual effect, and the static electricity ...

Claims

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Application Information

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IPC IPC(8): C09J133/08C09J133/12C09J133/02C09J133/14C09J131/04C09J9/02C09J7/02
Inventor 宁伟
Owner 西安航天三沃化学有限公司
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