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Polymer composition containing modified chlorinated polyolefin and its production method

A technology for chlorinating polyolefins and compounds, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of insufficient curability and insufficient manufacturing stability, and achieve the effect of excellent manufacturing stability

Active Publication Date: 2022-01-11
KANSAI PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in such prior art, there is a problem that there are cases where the manufacturing stability is not sufficient
However, in the modified chlorinated polyolefin resin composition obtained by this production method, the curability of the composition used in combination with a crosslinking agent reactive with hydroxyl groups may be insufficient.
In addition, in this production method, the production stability may not be sufficient

Method used

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  • Polymer composition containing modified chlorinated polyolefin and its production method
  • Polymer composition containing modified chlorinated polyolefin and its production method
  • Polymer composition containing modified chlorinated polyolefin and its production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091]In a four-necked bottle with a cooling tube, 100 parts of "Superclon 822S" (trade name, produced by Nippon Paper Co., Ltd., maleic anhydride-modified chlorinated polyolefin, 24.5% chlorine content) and 221 parts of toluene were charged. 1. 0.05 parts of di-tert-butylhydroxytoluene (abbreviation: BHT), stirred while blowing air into the liquid phase, and raised the temperature to about 95° C. to prepare a solution. 57.5 parts of 2-allyloxyethanol and 0.1 part of tetrabutylammonium bromide were added thereto, and stirring was continued while making 2-allyloxyethanol and an acid anhydride group react. In the infrared absorption analysis of the solid components in the solution, at about 1770cm -1 The absorbance of about 1460cm -1 In the stage where the absorbance ratio does not change substantially, the temperature is lowered to about 90°C, and the compound (a) containing allyloxy and hydroxyl groups, namely about 55 parts of 2-allyloxyethanol, and having allyloxyl groups i...

Embodiment 2

[0093] In a four-necked bottle with a cooling tube, 100 parts of "Superclon 822S" (trade name, produced by Nippon Paper Co., Ltd., maleic anhydride-modified chlorinated polyolefin, chlorine content 24.5%) and 70 parts of toluene were charged. 1. 0.05 parts of di-tert-butylhydroxytoluene (abbreviation: BHT), stirred while blowing air into the liquid phase, and raised the temperature to about 95° C. to prepare a solution. 23 parts of 2-allyloxyethanol and 0.1 part of tetrabutylammonium bromide were added thereto, and stirring was continued while making 2-allyloxyethanol and an acid anhydride group react. In the infrared absorption analysis of the solid components in the solution, at about 1770cm -1 The absorbance of about 1460cm -1 At the stage where the absorbance ratio does not change substantially, the temperature is lowered to about 90°C, and 150 parts of toluene and 34.5 parts of 2-allyloxyethanol are further added to obtain a compound (a) containing an allyloxy group and ...

Embodiment 3

[0095] In a four-necked bottle with a cooling tube, 100 parts of "Superclon 3228S" (trade name, manufactured by Nippon Paper Co., Ltd., maleic anhydride-modified chlorinated polyolefin, 28% chlorine content) and 210 parts of toluene were charged. , 11 parts of butyl acetate, and 0.05 part of di-tert-butylhydroxytoluene (abbreviation: BHT), stirred while blowing air into the liquid phase, and raised the temperature to about 95° C. to prepare a solution. 57.5 parts of 2-allyloxyethanol and 0.1 part of tetrabutylammonium bromide were added thereto, and stirring was continued while making 2-allyloxyethanol and an acid anhydride group react. In the infrared absorption analysis of the solid components in the solution, at about 1770cm -1 The absorbance of about 1460cm -1 In the stage where the absorbance ratio does not change substantially, the temperature is lowered to about 90°C, and the compound (a) containing allyloxy and hydroxyl groups, namely about 55 parts of 2-allyloxyethan...

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Abstract

The present invention provides a method for producing a modified chlorinated polyolefin-containing polymer composition excellent in production stability, and a coating material containing the modified chlorinated polyolefin-containing polymer composition. Under the coexistence of the compound (a) having allyloxy group and hydroxyl group, the chlorinated polyolefin (b) having allyloxy group and the compound selected from (meth)acrylate, (meth)acrylic acid and styrene Among them, one or more polymerizable monomers of the compound (c) are copolymerized to obtain a polymer composition containing a modified chlorinated polyolefin.

Description

technical field [0001] The present invention relates to a polymer composition containing a modified chlorinated polyolefin, a method for producing the same, and a coating composition containing the composition. Background technique [0002] Nowadays, plastic materials are used in various industrial fields. Among them, polyolefin-based resins such as polypropylene resins have many excellent properties and are economical, so they are widely used as base materials for molded articles and films. However, due to the low polarity of polyolefin-based substrates, the adhesion of the coating film formed during coating is poor. Compositions containing modified chlorinated polyolefins such as acrylic-modified chlorinated polyolefins to improve adhesion to materials and compatibility with other resin components used in combination can be used as paints or primers. [0003] Conventionally, as a method for obtaining such a modified chlorinated polyolefin-containing composition, for examp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F290/12C08F8/14C09D123/28C09D125/08C09D129/00C09D133/02C09D133/04C09D151/00
CPCC08F8/14C08F290/12C09D123/28C09D125/08C09D129/00C09D133/02C09D133/04C09D151/00C08F290/122C08F2810/30C08G18/246C08G18/633C08G18/73C08G18/792C09D155/00C09D175/04C08F220/14C08F212/08C08F222/102C08F220/06C08F220/1806C08F255/023C08F216/085C08F220/1811C08F220/1804C08F220/20C08F216/1425C08F216/02C08F220/04C08F220/18C08L23/286C08L2203/16C08L2312/00C09D151/003
Inventor 小畑政示
Owner KANSAI PAINT CO LTD
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