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Alkaline water soluble resin, method for producing same, and emulsion polymer including alkaline water soluble resin

A technology of alkali-soluble resin and emulsion polymer, which is applied in the direction of coating, etc., can solve the problems of inability to have durability, and achieve the effect of improving durability and easy preparation

Active Publication Date: 2019-09-03
HANWHA CHEMICAL CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the molecular weight of the alkali-soluble resin is lowered in order to lower the viscosity of the alkali-soluble resin solution, it cannot provide sufficient durability when used as a coating material for a base material.

Method used

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  • Alkaline water soluble resin, method for producing same, and emulsion polymer including alkaline water soluble resin
  • Alkaline water soluble resin, method for producing same, and emulsion polymer including alkaline water soluble resin
  • Alkaline water soluble resin, method for producing same, and emulsion polymer including alkaline water soluble resin

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0086] Preparation Example 1: Preparation of Alkali-soluble Resin

preparation example 1-1

[0088] Prepared by 47.7g of methyl methacrylate (MMA), 28.6g of styrene (ST), 6.0g of acrylic acid (AA), 8.8g of methacrylic acid (MAA), 3.3g of ethyl acrylate (EA ) and 0.97g of allyl methacrylate (ALMA) monomer mixture. A monomer composition was prepared by adding 0.13 g of tert-butyl peroxybenzoate and a mixed solvent (3.4 g of dipropylene glycol methyl ether (DPM), 1.1 g of water (DW)) to the monomer mixture. Then, continuous bulk polymerization was performed at a temperature of about 218° C. for 20 minutes using a 1 L SUS reactor, and a resin was obtained.

preparation example 1-2

[0090] Except using a monomer consisting of 47.3g of methyl methacrylate, 28.5g of styrene, 6.0g of acrylic acid, 8.8g of methacrylic acid, 3.3g of ethyl acrylate and 1.43g of allyl methacrylate Except for the mixture, a monomer composition was prepared by the same method as in Preparation Example 1-1 to obtain a resin.

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Abstract

Provided are: an alkaline water soluble resin; a method for producing an alkaline water soluble resin; and an emulsion polymer including an alkaline water soluble resin. The alkaline water soluble resin is produced by polymerizing a first monomer which includes one or more among an acrylic monomer, a methacrylic monomer, or a styrene-based monomer and does not have an allyl group, and a second monomer which has an allyl group.

Description

technical field [0001] The invention relates to an alkali-soluble resin, a preparation method of the alkali-soluble resin and an emulsion polymer containing the alkali-soluble resin. Background technique [0002] As a method of protecting the surface of a substrate such as paper, film, wood or metal, a method of coating the surface of the substrate with an oleoresin can be exemplified. The oleoresin includes an oil-based organic solvent, which improves workability in a coating process and improves coating properties. However, the oleoresin is easy to burn in case of fire due to its flammability, and the oil-based solvent remaining on the surface of the coating film is harmful to the human body. [0003] Therefore, there is a need to develop new coatings that do not have flammability and toxicity, and have good substrate adhesion and good durability. [0004] From the above point of view, the method of using water-based resin as a coating can be considered. However, in gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F2/02C08F12/08C08F20/06C08F20/18C08F2/22C08F265/00
CPCC08F2/02C08F2/22C08F12/08C08F20/06C08F20/18C08F265/00C08F220/14C08F265/04C09D151/003C09D133/12C08F212/08C08F220/06C08F220/1802C08F220/40C08F220/325C08F265/06
Inventor 李秀珍金希润廉泰薰赵大元崔贞贤
Owner HANWHA CHEMICAL CORPORATION
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