Polyvinyl chloride function modifier and its prepn process

A polyvinyl chloride and functional technology, which is used in the field of polyvinyl chloride functional modifier and its preparation, can solve the problems of single function, poor impact strength and poor processing performance of additives, and reduce the consumption of other additives. Effect of use, performance improvement, physical and mechanical performance improvement

Active Publication Date: 2005-09-28
NANJING CONCORD FERTILIZER CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PVC is a hard and brittle material, which has disadvantages such as poor impact strength, poor processing performance, and poor thermal stability. It needs to add a large amount of additives in the application. The functions of the additives currently used are often relatively single and will affect other properties. reduction of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Mix 50g of boric acid with 110g of ethylene glycol and 200g of oleic acid, add catalyst tetrabutyl titanate, heat and stir, control the temperature at 200°C, and react for 4 hours. After the reaction is completed, filter to obtain boric acid polyol ester, which is set aside; Mix 200g of salicylic acid with 165g of diethylene glycol, add catalyst tetrabutyl titanate, heat and stir, the temperature is controlled at 200°C, and react for 5 hours. After the reaction is completed, filter to obtain salicylic acid polyol ester for later use; according to the formula Take 100g of boric acid polyol ester, 300g of salicylic acid polyol ester, 150g of A-C307 type oxidized homopolymer, and 150g of K125-P type acrylate processing aid, mix them, heat to 145°C, react for 90 minutes, and the reaction is completed. Filter and serve.

Embodiment 2

[0033] Mix 50 g of boric acid with 310 g of sorbitol and 230 g of stearic acid, add the catalyst stannous citrate, heat and stir, control the temperature at 195°C, and react for 4 hours. Mix 200g of salicylic acid with 150g of glycerin, add the catalyst stannous citrate, heat and stir, control the temperature at 210°C, and react for 4 hours. After the reaction is completed, filter to obtain salicylic acid polyol ester for later use; take boric acid polyol according to the formula Mix 300g of ester with 150g of polyol salicylate, 200g of AC316A oxidized homopolymer, and 100g of K125-P acrylate processing aid, heat to 130°C, and react for 120 minutes. After the reaction is complete, filter to obtain the product.

Embodiment 3

[0035] Mix 50 g of boric acid with 235 g of pentaerythritol and 210 g of palmitic acid, add catalyst tetraisopropyl titanate, heat and stir, control the temperature at 210°C, and react for 4 hours. After the reaction is completed, filter to obtain boric acid polyol ester, which is set aside; Mix 200g of salicylic acid with 125g of 1.2-propanediol, add the catalyst tetraisopropyl titanate, heat and stir, control the temperature at 200°C, and react for 4 hours. After the reaction is completed, filter to obtain polyol salicylate, which is ready for use; The formula takes 120g of boric acid polyol ester, 280g of salicylic acid polyol ester, 300g of A-C629 type oxidized homopolymer, 50g of K125-P type acrylate processing aid, 50g of A-C617 type homopolymer, stearic acid 300g of lead, heated to 120°C, reacted for 120 minutes, the reaction was completed, and obtained by filtration.

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PUM

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Abstract

The present invention discloses one kind of polyvinyl chloride function modifier and its preparation process. The modifier is prepared with polyhydric alcohol borate ester, polyhydric alcohol salicylate ester and acrylate as processing assistant, and oxide homopolymer or oxidized polyethylene wax. The modifier has the functions of coupling agent, dispersant, internal and external lubricant, processing assistant, etc. and has unique PVC / CaCO3 stuffing system modifying effects, including promoting plasticization, raising dispersivity, improving antiageing and machining performance, realizing high stuffing, etc.

Description

technical field [0001] The invention belongs to the field of polyvinyl chloride resins, in particular to a polyvinyl chloride functional modifier and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC) resin is one of the important plastics and is widely used in many fields. However, PVC is a hard and brittle material, which has disadvantages such as poor impact strength, poor processing performance, and poor thermal stability. It needs to add a large amount of additives in the application. The functions of the additives currently used are often relatively single and will affect other properties. decrease. Contents of the invention [0003] The purpose of the present invention is to overcome the above disadvantages and provide a composite modifier that promotes plasticization and improves performance. [0004] Another object of the present invention is to provide a method for preparing the above modifier. [0005] Object of the present i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/55C08L27/06
Inventor 黄艳
Owner NANJING CONCORD FERTILIZER CHEM
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