Water-based environment-friendly high-efficiency terminator for polyvinyl chloride polymerization

A technology of polyvinyl chloride and terminator, which is applied in the field of polyvinyl chloride polymerization water-based environmental protection and high-efficiency terminator, can solve the problems of large amount of addition and low termination efficiency, and achieve improved use safety, improved thermal aging whiteness, and improved The effect of thermal stability

Active Publication Date: 2015-11-11
道尔达(西安)新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, there are defects such as large amount of addition and low termination efficiency

Method used

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  • Water-based environment-friendly high-efficiency terminator for polyvinyl chloride polymerization

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Experimental program
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Effect test

Embodiment 1

[0020] Weigh the raw materials of the following formula in parts by mass: take 13 parts of water-based antioxidant ascorbic acid; take 15 parts of water-based terminator N,N-dimethylhydroxylamine; take water-soluble heat stabilizer sodium perchlorate 12 parts; 5 parts of water-based plasticizer glycerin; 55 parts of pure water as a solvent.

[0021] Mix and stir the above-mentioned raw materials in the formula quantity evenly to obtain the water-based environment-friendly high-efficiency terminator for polyvinyl chloride polymerization of the present invention.

Embodiment 2

[0023] Weigh the following raw materials in parts by mass: take 15 parts of water-based antioxidant ascorbic acid sodium salt; take 13 parts of water-based terminator N,N-dimethylhydroxylamine; 11 parts of calcium acid calcium; 6 parts of polyethylene glycol with a degree of polymerization of 400 as a water-based plasticizer; 55 parts of pure water as a solvent.

[0024] Mix and stir the above-mentioned raw materials in the formula quantity evenly to obtain the water-based environment-friendly high-efficiency terminator for polyvinyl chloride polymerization of the present invention.

Embodiment 3

[0026] Weigh the raw materials of the following formula in parts by mass: take 14 parts of water-based antioxidant erythorbic acid; take 16 parts of water-based terminator N,N-diethylhydroxylamine; take water-soluble heat stabilizer perchloric acid 10 parts of sodium; 6 parts of diethylene glycol butyl ether as a water-based plasticizer; 54 parts of pure water as a solvent.

[0027] Mix and stir the above-mentioned raw materials in the formula quantity evenly to obtain the water-based environment-friendly high-efficiency terminator for polyvinyl chloride polymerization of the present invention.

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Abstract

The invention relates to a water-based environment-friendly high-efficiency terminator for polyvinyl chloride polymerization, which is prepared from the following raw materials in parts by mass: 10-30 parts of one or both of water-based terminator or water-based antioxidant, 10-30 parts of water-soluble heat stabilizer, 10-30 parts of water-based plasticizer and 40-70 parts of solvent water. The terminator has high polymerization termination action, is capable of enhancing the heat stability of the resin and improving the whiteness and aging resistance of the resin. Particularly, the terminator is an environment-friendly safe terminator, is safe and convenient during production operation, and greatly enhances the use safety of the prepared polyvinyl chloride product. The terminator can be used in food packaging materials.

Description

technical field [0001] The invention relates to a terminator, in particular to a water-based, environment-friendly and high-efficiency terminator for polyvinyl chloride polymerization. It belongs to the field of chemical technology. Background technique [0002] Polyvinyl chloride is an important member of the plastic family. The mainstream technology of its polymerization is suspension polymerization. An important part of suspension polymerization is the chain termination reaction. The quality of the terminator directly affects the termination reaction and the quality of the final polyvinyl chloride product. [0003] The main function of the polyvinyl chloride terminator is to terminate the reaction in time when the polymerization reaction reaches a certain conversion rate, thereby reducing the proportion of unstable structures in the polyvinyl chloride molecule, improving the thermal stability of the resin, improving the plasticizing performance of the resin, avoiding a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F14/06C08F2/38
Inventor 杜伟锋公会良马玉慧
Owner 道尔达(西安)新材料有限公司
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