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A kind of acrylate emulsion, preparation method and application thereof

A technology of acrylate and emulsion, applied in the direction of coating, etc., can solve the problems of easy peeling off of the functional layer, low surface tension, small surface energy, etc., and achieve the effect of excellent adhesion, improved adhesion, and no organic solvent

Active Publication Date: 2016-06-01
HEFEI LUCKY SCI & TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The molecular chain of biaxially oriented polyester film (BOPET) is rigid and has few polar groups, which determines its small surface energy and low surface tension, and it is prone to ink and adhesive falling off, which cannot meet the requirements of use. Therefore, its surface must be modified to improve its surface properties and improve its adhesion with functional coatings
[0003] In the prior art, a Chinese patent discloses a method for preparing an acrylate emulsion that improves the adhesion of polyester film. The acrylate emulsion is polymerized by a solution method and contains an organic solvent. The synthesized emulsion has a certain odor and is easy to The environment is polluted; and the above-mentioned emulsion coating film surface does not contain unsaturated groups that can react with the functional coating after curing, it is difficult to form an effective chemical bond between the primer and the functional coating, and the functional layer is easy to fall off

Method used

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  • A kind of acrylate emulsion, preparation method and application thereof
  • A kind of acrylate emulsion, preparation method and application thereof
  • A kind of acrylate emulsion, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1. Preparation of Acrylate Emulsion

[0033] (1) Add 240 g of deionized water and 1 g of sodium acrylamide stearate into the reactor, stir and mix evenly to obtain mixture A;

[0034] (2) Weigh 25g of methyl methacrylate, 23g of ethyl acrylate, 10g of diacetone acrylamide, 3g of tripropylene glycol diacrylate, and 3g of hydroxyethyl acrylate into a one-mouth bottle and mix evenly to obtain Mixed monomer B;

[0035] (3) Weigh 50 g of the above mixture A to dissolve 1 g of potassium persulfate to obtain an initiator solution;

[0036] (4) Add 1g of sodium bicarbonate and 10.7g of the above-mentioned mixed monomer B into the reactor containing the remaining mixture A, pre-emulsify for 30 minutes, raise the temperature to 80°C, add the initiator solution dropwise until the emulsion turns blue, and drop Add the remaining mixed monomer B, keep the temperature for 2.5 hours after the dropwise addition, and obtain the acrylate emulsion C;

[0037] (5) Add 0.03g of hydroquino...

Embodiment 2

[0042] 1. Preparation of Acrylate Emulsion

[0043] (1) Add 200 g of deionized water, 0.5 g of sodium 2-acrylamide-2,2-dimethylethanesulfonate, and 0.5 g of sodium acrylamide stearate into the reactor, stir and mix evenly to obtain mixture A;

[0044] (2) Weigh 18g of vinyl acetate, 12g of butyl acrylate, 20g of isooctyl acrylate, 5g of isobornyl methacrylate, 2g of tripropylene glycol diacrylate, and 3g of hydroxypropyl acrylate into a one-mouth bottle Mix evenly to obtain mixed monomer B;

[0045] (3) Weigh 42g of the above mixture A to dissolve 0.8g of ammonium persulfate to obtain an initiator solution;

[0046] (4) Add 0.8g of sodium bicarbonate and 7.5g of mixed monomer B into the reactor containing the remaining mixture A, pre-emulsify for 25 minutes, raise the temperature to 75°C, add the initiator solution dropwise until the emulsion turns blue, and drop Add the remaining mixed monomer B, keep warm for 2 hours after adding, and obtain acrylate emulsion C;

[0047] ...

Embodiment 3

[0051]1. Preparation of Acrylate Emulsion

[0052] (1) Add 250g of deionized water and 1.5g of sodium 2-acrylamide-2,2-dimethylethanesulfonate into the reactor, stir and mix evenly to obtain mixture A;

[0053] (2) Weigh 15g of vinyl acetate, 25g of methyl methacrylate, 16g of butyl acrylate, 2g of acrylic acid, 3g of isobornyl methacrylate, 2.5g of tripropylene glycol diacrylate, 2.5g of hydroxyacrylate Ethyl ester and 2.5g hydroxypropyl acrylate were added into a one-mouth bottle and mixed evenly to obtain mixed monomer B;

[0054] (3) Weigh 62.5g of the above mixture A to dissolve 1.2g of ammonium persulfate to obtain an initiator solution;

[0055] (4) Add 1.2g of sodium bicarbonate and 11.5g of mixed monomer B to the reactor containing the remaining mixture A, pre-emulsify for 40 minutes, raise the temperature to 80°C, add the initiator solution dropwise until the emulsion turns blue, and drop Add the remaining mixed monomer B, keep warm for 3 hours after the addition, ...

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Abstract

An acrylic emulsion for polyester film base coating, preparation method and application thereof, which has the following structural formula:. The invention can significantly improve the adhesion of the polyester film, and can prepare a polyester film that is 100% non-falling off after being boiled in water for 30 minutes.

Description

technical field [0001] The invention relates to the technical field of polymer emulsion preparation, in particular to an acrylic ester emulsion for a polyester film primer layer. In addition, the invention also relates to a polyester film coated with the emulsion. Background technique [0002] The molecular chain of biaxially oriented polyester film (BOPET) is rigid and has few polar groups, which determines its small surface energy and low surface tension, and it is prone to ink and adhesive falling off, which cannot meet the requirements of use. Therefore, its surface must be modified to improve its surface properties and improve its adhesion with functional coatings. [0003] In the prior art, a Chinese patent discloses a method for preparing an acrylate emulsion that improves the adhesion of polyester film. The acrylate emulsion is polymerized by a solution method and contains an organic solvent. The synthesized emulsion has a certain odor and is easy to The environment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/14C08F220/18C08F220/58C08F222/20C08F220/28C08F220/32C08F218/08C08F220/06C08F220/44C08F2/26C09D133/12C09D133/08C09D131/04C08J7/04
Inventor 安佳丽周守发王旭亮王辉
Owner HEFEI LUCKY SCI & TECH IND
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