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Fluorosilicone modified aqueous pressure-sensitive adhesive used for polyethylene protection film, and preparation method thereof

A polyethylene protective film and fluorine-silicon modification technology, which is applied in the direction of adhesives, ester copolymer adhesives, film/sheet adhesives, etc., can solve the problems of users' health hazards and environmental pollution, and achieve Stable storage and good peel strength

Active Publication Date: 2014-07-30
佛山市诺全包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These volatile organic compounds will not only cause serious environmental pollution, but also cause relatively great harm to the health of users.

Method used

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  • Fluorosilicone modified aqueous pressure-sensitive adhesive used for polyethylene protection film, and preparation method thereof
  • Fluorosilicone modified aqueous pressure-sensitive adhesive used for polyethylene protection film, and preparation method thereof
  • Fluorosilicone modified aqueous pressure-sensitive adhesive used for polyethylene protection film, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 1. Synthetic fluorosilicone emulsion

[0035] 175g isooctyl acrylate, 50g butyl acrylate, 20g methyl methacrylate, 30g vinyl acetate, 3g acrylic acid, 8g vinyltriethoxysilane, 8g trifluoroethyl methacrylate, 2g lauryl sulfate Sodium, 2g sodium diisooctyl succinate, 1g ammonium persulfate and 200g distilled water are mixed and emulsified evenly, add 50g of the above mixture and 120g distilled water into the reactor, and when the temperature rises to 75-85°C, add 1g persulfuric acid Ammonium, after 20 to 40 minutes of polymerization reaction, slowly add the remaining amount of the above mixture in the reflux state, and drop it in 1 to 4 hours; After reaction, the fluorosilicone emulsion is obtained after cooling.

[0036] 2. Preparation of fluorosilicone modified water-based pressure-sensitive adhesive

[0037] Stir 95g of fluorosilicon emulsion and 5g of trifunctional aziridine crosslinking agent evenly at room temperature to prepare the fluorosilicon modified water-ba...

Embodiment 2

[0054] 1. Synthetic fluorosilicone emulsion

[0055] 180g isooctyl acrylate, 40g butyl acrylate, 25g methyl methacrylate, 25g vinyl acetate, 4g acrylic acid, 6g vinyltriethoxysilane, 10g trifluoroethyl methacrylate, 3g lauryl sulfate Sodium, 3g sodium diisooctyl succinate, 1.5g ammonium persulfate and 200g distilled water are mixed and emulsified evenly, and 50g of the above mixture and 120g of distilled water are added to the reactor, and when the temperature rises to 75-85°C, add 0.5g Ammonium persulfate, after 20-40 minutes of polymerization reaction, slowly add the remaining amount of the above mixture dropwise under reflux, and drop it in 1-4 hours; Hours, the reaction was stopped, and the fluorosilicon emulsion was obtained after cooling.

[0056] 2. Preparation of fluorosilicone modified water-based pressure-sensitive adhesive

[0057] Stir 96g of fluorosilicon emulsion and 4g of trifunctional aziridine crosslinking agent evenly at room temperature to prepare the fluo...

Embodiment 3

[0074] 1. Synthetic fluorosilicone emulsion

[0075] 185g isooctyl acrylate, 30g butyl acrylate, 27g methyl methacrylate, 27g vinyl acetate, 4g acrylic acid, 10g vinyltriethoxysilane, 8g trifluoroethyl methacrylate, 4g lauryl sulfate Mix and emulsify sodium, 3g sodium diisooctyl succinate, 1g ammonium persulfate and 200g distilled water evenly, add 50g of the above mixture and 120g distilled water into the reactor, and add 1g persulfuric acid when the temperature rises to 75-85°C Ammonium, after 20-40 minutes of polymerization reaction, slowly add the remaining amount of the above-mentioned mixture dropwise under reflux, and finish dropping in 1-4 hours; The reaction is stopped, and the fluorosilicone emulsion is obtained after cooling.

[0076] 2. Preparation of fluorosilicone modified water-based pressure-sensitive adhesive

[0077] Stir 97g of fluorosilicon emulsion and 3g of trifunctional aziridine crosslinking agent evenly at room temperature to prepare the fluorosilico...

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Abstract

The invention discloses a fluorosilicone modified aqueous pressure-sensitive adhesive used for a polyethylene protection film. The aqueous pressure-sensitive adhesive comprises 95-99w% of a fluorosilicone emulsion and 1-5wt% of a curing agent. The invention also provides a preparation method of the aqueous pressure-sensitive adhesive. The fluorosilicone modified aqueous pressure-sensitive adhesive disclosed in the invention has good adhesion to the polyethylene film, can realize the good balance of initial stick force, peeling strength and cohesive force, and has the advantages of storage stability, heat resistance, cold resistance, acid resistance, alkali resistance, salt resistance and the like.

Description

technical field [0001] The invention relates to a fluorine-silicon modified water-based pressure-sensitive adhesive, in particular to a fluorine-silicon-modified water-based pressure-sensitive adhesive for a polyethylene protective film and a preparation method thereof. Background technique [0002] Protective film is a surface protection and packaging material used to protect the surface of commodities. It is pasted on various metals, aluminum-plastic panels, plastic panels, coated steel, stainless steel panels, aluminum profiles, stone, glass, instruments, and furniture. Such as the surface of the commodity, so that it can protect the surface during manufacturing, transportation, secondary processing, storage and use, prevent the commodity from being polluted, scratched and slow down the oxidation of the commodity surface. The application of protective film can not only improve the appearance quality of products and facilitate material processing, but also improve the util...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J11/06C09J7/02C08F220/18C08F220/14C08F218/08C08F230/08C08F220/22C08F220/06C08F2/26C08F2/30
Inventor 胡元结
Owner 佛山市诺全包装材料有限公司
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