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Preparation method of ultralight strippable self-exhausting acrylate pressure-sensitive coating material

An acrylate and pressure-sensitive coating technology, which is applied in the direction of pressure-sensitive film/sheet, ester copolymer adhesive, film/sheet adhesive, etc., can solve the problems of difficult processing and poor self-exhaust effect , to achieve the effects of excellent comprehensive performance, good self-exhaust, and good leveling performance

Active Publication Date: 2016-06-29
SICHUAN YUXI ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for preparing an ultra-light peeling self-venting acrylate pressure-sensitive coating material, which solves the problems that existing protective materials cannot simultaneously overcome ghost pollution, processing difficulties, high viscosity, and poor self-venting effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 10.5g of butyl acrylate, 15.2g of isooctyl acrylate, 1.2g of methyl acrylate, 1.3g of hydroxyethyl acrylate, 1.8g of heptadecyl methacrylate, 0.08g of benzoyl peroxide, and nano-silica 0.05 g, 5 g of toluene, and 30 g of ethyl acetate were uniformly mixed to obtain a reaction mixture.

[0030] Add 10g of the reaction mixture into the reactor, start heating, initiate the polymerization reaction at 80-95°C, start adding the remaining reaction mixture dropwise, control the reaction temperature at 80-95°C, and complete the dropwise addition within 2-5 hours. After the dropwise addition, keep the temperature at 75-85°C for 2-5h, lower the temperature to below 50°C, add 35g of ethyl acetate, and stir for 0.5-1h to obtain polyacrylate resin.

[0031] Add 30g ethyl acetate to the above polyacrylate resin, stir for 10~20min, add crosslinking agent L-752.5g, catalyst stannous oleate 0.002g, inhibitor acetylacetone 0.02g, viscosity reducer caprylic acid glyceride 0.1 g, and stir ...

Embodiment 2

[0035] 10.5g of butyl acrylate, 15.2g of isooctyl acrylate, 1.2g of methyl acrylate, 1.3g of hydroxyethyl acrylate, 1.8g of heptadecyl methacrylate, 0.08g of benzoyl peroxide, and nano-silica 0.05 g, 5 g of toluene, and 30 g of ethyl acetate were uniformly mixed to obtain a reaction mixture.

[0036]Add 10g of the reaction mixture into the reactor, start heating, initiate the polymerization reaction at 80-95°C, start adding the remaining reaction mixture dropwise, control the reaction temperature at 80-95°C, and complete the dropwise addition within 2-5 hours. After the dropwise addition, keep the temperature at 75-85°C for 2-5h, lower the temperature to below 50°C, add 35g of ethyl acetate, and stir for 0.5-1h to obtain polyacrylate resin.

[0037] Add 30g ethyl acetate to the above polyacrylate resin, stir for 10~20min, add crosslinking agent L-752.5g, catalyst stannous oleate 0.002g, inhibitor acetylacetone 0.02g, viscosity reducer caprylic acid glyceride 0.1 g, and stir e...

Embodiment 3

[0041] 10.5g of butyl acrylate, 15.2g of isooctyl acrylate, 1.2g of methyl acrylate, 1.3g of hydroxyethyl acrylate, 1.8g of heptadecyl methacrylate, 0.08g of benzoyl peroxide, and nano-silica 0.05 g, 5 g of toluene, and 30 g of ethyl acetate were uniformly mixed to obtain a reaction mixture.

[0042] Add 10g of the reaction mixture into the reactor, start heating, initiate the polymerization reaction at 80-95°C, start adding the remaining reaction mixture dropwise, control the reaction temperature at 80-95°C, and complete the dropwise addition within 2-5 hours. After the dropwise addition, keep the temperature at 75-85°C for 2-5h, lower the temperature to below 50°C, add 35g of ethyl acetate, and stir for 0.5-1h to obtain polyacrylate resin.

[0043] Add 30g ethyl acetate to the above polyacrylate resin, stir for 10~20min, add crosslinking agent L-752.5g, catalyst stannous oleate 0.002g, inhibitor acetylacetone 0.02g, viscosity reducer caprylic acid glyceride 0.1 g, and stir ...

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Abstract

The invention discloses a preparation method of an ultralight strippable self-exhausting acrylate pressure-sensitive coating material and relates to the technical field of surface protection of glass, plastic, metal and the like. The preparation method sequentially comprises the following three steps of: preparing polyacrylate resin, preparing polyacrylate pressure-sensitive adhesive coating liquid, and preparing the ultralight strippable self-exhausting acrylate pressure-sensitive coating material. The obtained ultralight strippable self-exhausting acrylate pressure-sensitive coating material has ultralow viscosity and good exhaust performance and can be widely applied to protection of all kinds of smooth surfaces.

Description

technical field [0001] The invention relates to the technical field of surface protection of glass, plastic, metal, etc., and more specifically relates to a preparation method of an ultra-light stripping self-venting acrylate pressure-sensitive coating material. Background technique [0002] Glass (such as panels of mobile phones, PDAs, game consoles, etc.), metal sheets, plastic sheets and other finished or semi-finished products are prone to contact pollution during the process of manufacturing (such as LCD module process, optical film engineering protection), handling and use ( wear, scratches or dust contamination). It is usually covered with a protective film to protect it from damage and pollution. The protective film is mainly composed of a substrate such as PET, PE, CPP film, etc. and an adhesive coated on the substrate. [0003] For the protection of smooth surfaces such as plastic, hardware, metal, glass, etc., it is required to have ultra-low viscosity (1~3gf / 25...

Claims

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Application Information

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IPC IPC(8): C09J133/08C09J11/04C09J7/02C08F220/18C08F220/14C08F220/28
CPCC09J7/22C09J7/243C09J7/25C09J7/255C09J7/38C09J7/40C09J11/04C09J133/08C08F220/18C08K3/36C08K2201/003C08K2201/011C09J2423/106C09J2423/046C09J2479/086C09J2467/005C09J2467/006C09J2469/006C08F220/1808C09J2301/302C08F220/1804C08F220/14C08F220/281C08F220/286C08F220/1818
Inventor 许显成
Owner SICHUAN YUXI ELECTRONICS TECH CO LTD
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