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A kind of acrylate emulsion for pvc floor glue and preparation method

An acrylate and floor adhesive technology, applied in the direction of adhesives, ester copolymer adhesives, adhesive types, etc., can solve the problems of poor initial viscosity, stability difference, delay in work and time, etc., and improve the sticking performance. , Adhesion improvement, the effect of improving adhesion

Active Publication Date: 2022-04-15
广东巴德富新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] PVC floor glue has grown with the development of PVC floor. With the improvement of people's living standards, traditional solvent-based floor glue can no longer meet market demand. In addition, the awareness of environmental protection has gradually increased in recent years. Water-based floor glue is the future Development direction, but the current emulsion type floor glue has many shortcomings, such as low initial adhesion, poor development and poor adhesion to PVC flooring, etc. During construction, the PVC floor is prone to warping and slipping problems, and delays in work and time
[0003] At present, there is a patent (CN201610620428.5) disclosing an environment-friendly high-solid PVC floor glue emulsion, which is prepared by dissolving the combined monomer, initiator and emulsifier in water as the medium and then reacting. The combined monomer contains the following weight percentages Components: 20-30% styrene, 40-55% butyl acrylate, 15-25% isooctyl, 1-3% acrylic acid, 2-4% hydroxyethyl acrylate; it can be seen that its solid content is really high , which increases the risk of production, and is prone to differences in stability between batches; and the addition of too much hard monomer in this system makes the TG of the overall emulsion high, although it has high adhesion (that is, strong peeling force) , but its initial adhesion is very poor, because these two forces are a contradiction in themselves. After the peeling force is high, the initial adhesion will definitely decrease, and the lasting adhesion with PVC floor will also decrease.

Method used

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  • A kind of acrylate emulsion for pvc floor glue and preparation method

Examples

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Effect test

Embodiment 1

[0031] An acrylic ester emulsion for PVC floor glue, comprising 70 parts by weight of deionized water; 0.5 part of linear alkylbenzene sulfonate; 0.25 part of allyl polyether phosphate; nonylphenol polyoxyethylene ether 1.5 parts; 80 parts of n-butyl acrylate; 10 parts of acrylonitrile; 3 parts of methacrylic acid; 0.05 parts of n-dodecanethiol; 0.1 parts of ammonium bicarbonate; 0.2 parts of L-ascorbic acid; 1.5 parts of ammonia water.

[0032] The preparation method of acrylic acid ester emulsion for described PVC floor glue, comprises the following steps:

[0033] a) Preparation of primer A: at room temperature, add 30% of the total amount of deionized water, 2% of the total amount of emulsifier and all ammonium bicarbonate to the reactor, and raise the temperature in the reactor to 82°C;

[0034] b) Preparation of monomer solution B: under normal temperature and pressure, mix the remaining emulsifier, 45% of the total amount of deionized water, n-butyl acrylate, acrylonit...

Embodiment example 2

[0039] An acrylic ester emulsion for PVC floor glue, comprising 65 parts by weight of deionized water; 0.4 parts of fatty alcohol ether sulfates; 0.2 parts of vinyl sulfonates; 1.2 parts of alkyl alcohol block polyethers; 90 parts of isobutyl ester; 5 parts of acrylonitrile; 2 parts of acrylic acid; 1 part of monobutyl itaconate; 0.2 parts; 0.3 parts of sodium bisulfite; 1 part of sodium hydroxide.

[0040] The preparation method of acrylate emulsion for PVC floor glue of the present invention comprises the following steps:

[0041] a) Preparation of primer A: at room temperature, add 25% of the total amount of deionized water, 2.5% of the total amount of emulsifier and all sodium bicarbonate to the reactor, and raise the temperature in the reactor to 83°C;

[0042] b) Preparation of monomer solution B: under normal temperature and pressure, the remaining emulsifier, 50% of the total amount of deionized water, isobutyl acrylate, acrylonitrile, acrylic acid, monobutyl itaconat...

Embodiment example 3

[0047] An acrylic ester emulsion for PVC floor glue, comprising 65 parts by weight of deionized water; 0.4 part of fatty alcohol ether sulfates; 0.2 part of allyl polyether phosphate; 1.2 parts of nonylphenol polyoxyethylene ether ; 80 parts of isooctyl acrylate; 10 parts of acrylonitrile; 2 parts of methacrylic acid; 1 part of monobutyl itaconate; 0.15 parts of formyl; 0.2 parts of L-ascorbic acid; 1.5 parts of ammonia water.

[0048] The preparation method of acrylate emulsion for PVC floor glue of the present invention comprises the following steps:

[0049] a) Preparation of primer A: at room temperature, add 30% of the total amount of deionized water, 2% of the total amount of emulsifier and all sodium carbonate to the reactor, and raise the temperature in the reactor to 82°C;

[0050] b) Preparation of monomer solution B: under normal temperature and pressure, the remaining emulsifier, 50% of the total amount of deionized water, isooctyl acrylate, acrylonitrile, methacr...

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Abstract

The invention discloses an acrylic ester emulsion for PVC floor glue and a preparation method thereof, comprising, in parts by weight, 50-80 parts of deionized water, 1-5 parts of emulsifier, 70-90 parts of acrylate, and 0-20 parts of acrylonitrile , 0-5 parts of acrylic acid functional monomer, 0.1-0.6 parts of initiator, 0.01-0.1 part of molecular weight regulator, 0.1-0.5 part of buffering agent, 0.1-0.5 part of oxidizing agent, 0.1-0.5 part of reducing agent, and 1-part of pH regulator 3 copies. In the acrylate emulsion for PVC floor glue of the present invention, an emulsification system based on non-ions and supplemented by anion and reactive emulsifiers is adopted, so that the surface of the latex particles has more polyoxyethylene side chains, which improves the surface elasticity. Hydrates the layer so that it has better permeability and has good wettability to the substrate.

Description

technical field [0001] The invention relates to an acrylate emulsion for PVC floor glue and a preparation method thereof. Background technique [0002] PVC floor glue has grown with the development of PVC floor. With the improvement of people's living standards, traditional solvent-based floor glue can no longer meet market demand. In addition, the awareness of environmental protection has gradually increased in recent years. Water-based floor glue is the future Development direction, but the current emulsion type floor glue has many shortcomings, such as low initial adhesion, poor development and poor adhesion to PVC flooring, etc. During construction, the PVC floor is prone to warping and slipping problems, and delays in work and time . [0003] At present, there is a patent (CN201610620428.5) disclosing an environment-friendly high-solid PVC floor glue emulsion, which is prepared by dissolving the combined monomer, initiator and emulsifier in water as the medium and then...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/18C08F220/46C08F220/06C08F222/16C08F228/02C08F230/02C08F2/30C08F2/26C08F2/24C08F2/38C09J133/08
CPCC08F220/18C08F2/30C08F2/26C08F2/24C08F2/38C09J141/00C09J143/02
Inventor 黄志新黄德宏杨辅斌
Owner 广东巴德富新材料有限公司
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