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Chloroethylene-isooctyl acrylate copolymer emulsion and preparation method thereof

A technology of isooctyl acrylate and copolymer emulsion, applied in application, coating, ink and other directions, can solve the problems of chemical reaction, no durability, easy to fall off, etc., achieve low cost, good waterproof and acid and alkali salt corrosion resistance , Good wear resistance and scratch resistance

Active Publication Date: 2013-03-20
WUXI HONGHUI NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the coatings produced by domestic manufacturers and imported from foreign countries are organic coatings, which are roughly divided into water-based and oil-based coatings according to categories. However, no matter which coating has unresolved shortcomings, such as no durability, easy to fall off, easy Chemical reactions with the external environment, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The preparation method of described vinyl chloride-isooctyl acrylate copolymer emulsion, the steps are as follows:

[0017] (1) Monomer pre-emulsification: Weigh 70 parts of vinyl chloride, 15 parts of isooctyl acrylate, and 0.5 parts of emulsifier OP-4, stir and emulsify in a pre-emulsification polymerization reactor for 1 hour, and obtain an emulsified monomer solution for later use;

[0018] (2) Preparation and addition of additives: Take 60 parts of deionized water, 2 parts of reactive emulsifier allyl nonylphenol polyvinyl ether ammonium sulfate, and 0.5 parts of sodium lauryl sulfate, stir and dissolve, then add the step ( 1) In the pre-emulsification polymerization reactor; take 1 part of the initiator ammonium persulfate and dissolve it in 20 parts of water for later use;

[0019] (3) Reaction: by volume, first take 1 / 5 of the pre-emulsified monomer in step (1) into the kettle, then add 1 / 4 of the dissolved initiator ammonium persulfate in step (2), stir for 30 ...

Embodiment 2

[0023] The preparation method of described vinyl chloride-isooctyl acrylate copolymer emulsion, the steps are as follows:

[0024] (1) Monomer pre-emulsification: Weigh 85 parts of vinyl chloride, 30 parts of isooctyl acrylate, and 3 parts of emulsifier OP-4, stir and emulsify in the pre-emulsification polymerization reactor for 2 hours, and obtain the emulsified monomer solution for later use;

[0025] (2) Preparation and addition of additives: Take 80 parts of deionized water, 5 parts of reactive emulsifier allyl nonylphenol polyvinyl ether ammonium sulfate, and 1.5 parts of sodium lauryl sulfate, and add them after fully stirring and dissolving ( 1) In the pre-emulsification polymerization reactor; take 3 parts of the initiator ammonium persulfate and dissolve it in 40 parts of water for later use;

[0026] (3) Reaction: by volume, first take 1 / 4 of the pre-emulsified monomer in step (1) into the kettle, then add 1 / 4 of the dissolved initiator ammonium persulfate in step (2...

Embodiment 3

[0030] The preparation method of described vinyl chloride-isooctyl acrylate copolymer emulsion, the steps are as follows:

[0031] (1) Monomer pre-emulsification: Weigh 80 parts of vinyl chloride, 20 parts of isooctyl acrylate, and 2 parts of emulsifier OP-4, stir and emulsify in the pre-emulsification polymerization reactor for 1 hour, and obtain the emulsified monomer solution for later use;

[0032] (2) Preparation and addition of additives: Take 70 parts of deionized water, 4 parts of reactive emulsifier allyl nonylphenol polyvinyl ether ammonium sulfate, and 1.5 parts of sodium lauryl sulfate, and add them after fully stirring and dissolving ( 1) In the pre-emulsification polymerization reactor; take 2 parts of the initiator ammonium persulfate and dissolve it in 30 parts of water for later use;

[0033] (3) Reaction: by volume, first take 1 / 5 of the pre-emulsified monomer in step (1) into the kettle, then add 1 / 3 of the dissolved initiator ammonium persulfate in step (2)...

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Abstract

The invention relates to chloroethylene-isooctyl acrylate copolymer emulsion and a preparation method thereof, and mainly relates to an emulsion product for water-based industrial coating base materials, belonging to the technical field of industrial coatings. The copolymer emulsion is prepared by taking chloroethylene and isooctyl acrylate as monomers, allyl nonylphenol polyethylene ether ammonium sulfate, sodium dodecyl sulfate and OP-4 as emulsifying agents and water-soluble ammonium persulfate as an initiating agent to carry out emulsion polymerization. The copolymer emulsion has the advantages that compared with other water-based coatings, the copolymer emulsion, used as a water-based industrial coating, has better waterproofing property and acid, alkali and salt corrosion resistances, hard film, good wear and scratching resistances and low cost, has qualified mechanical stability, calcium ion stability and heat stability and is free from demulsification and delamination after being stored for a year.

Description

technical field [0001] The invention relates to a binary copolymer emulsion used for water-based industrial coatings and a preparation method thereof, mainly relates to a water-based industrial coating used for water-based ink base materials, and belongs to the technical field of industrial coatings. Background technique [0002] The film-forming substances refer to all the remaining components in the paint except for the volatile solvents, which are the substances that make up the coating film. Film-forming substances are divided into two categories: main film-forming substances and auxiliary film-forming substances. [0003] The main film-forming substances refer to substances that can form a continuous dry film with a certain strength alone, such as organic polymer substances such as various resins and drying oils, and inorganic substances such as water glass, which are indispensable components for forming a coating film. Color fillers and certain additives play an auxil...

Claims

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Application Information

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IPC IPC(8): C08F214/06C08F220/18C08F2/30C08F2/26C09D127/06C09D11/00C09D11/107
Inventor 李川项洪伟申淑婷郭运华
Owner WUXI HONGHUI NEW MATERIALS TECH
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