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High-toughness PVC-U pipe material

A PVC-U, high toughness technology, applied in the field of pipes, can solve the problems of poor thermal stability and light resistance of PVC, discoloration of PVC, etc., and achieve the effect of good toughness, high impact strength value and excellent weather resistance.

Inactive Publication Date: 2019-02-01
刘永
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Less than 90% of sulfuric acid, 50-60% of nitric acid and less than 20% of caustic soda are also quite stable to salts; PVC has poor thermal stability and light resistance, and it can start to decompose and release hydrogen chloride (HCl) above 140°C ) gas, resulting in discoloration of PVC

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The high-toughness PVC-U pipe material of the present invention, its raw material comprises by weight: Butadiene rubber: 60 parts, ethylene propylene rubber 20 parts, organic tin stabilizer: 1.0 parts, anti-aging agent: 1.0 parts, lubricant: 2.0 parts, filler: 5.0 parts, processing aid: 6.0 parts, dicumyl peroxide: 3.0 parts, titanium dioxide 5.0 parts, plasticizer: 6.0 parts. The lubricant is stearic acid. The plasticizer is diisononyl phthalate.

Embodiment 2

[0014] The high toughness PVC-U pipe material of the present invention, its raw material comprises by weight: Butadiene rubber: 60 parts, ethylene propylene rubber 20 parts, organotin stabilizer: 2.0 parts, antiaging agent: 2.0 parts, lubricant: 3.0 parts, filler: 10.0 parts, processing aid: 3.0 parts, dicumyl peroxide: 1.0 parts, titanium dioxide 3.0 parts, plasticizer: 3.0 parts. The lubricant is paraffin. The plasticizer is diisononyl phthalate.

Embodiment 3

[0016] The high-toughness PVC-U pipe material of the present invention, its raw material comprises by weight: Butadiene rubber: 60 parts, ethylene propylene rubber 20 parts, organotin stabilizer: 1.5 parts, antiaging agent: 1.5 parts, lubricant: 2.5 parts, filler: 8.0 parts, processing aid: 5.0 parts, dicumyl peroxide: 2.0 parts, titanium dioxide 4.0 parts, plasticizer: 4.0 parts. The lubricant is paraffin. The plasticizer is diisononyl phthalate.

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Abstract

The invention relates to a high-toughness PVC-U pipe material, and belongs to the technical field of pipe materials. Raw materials of the high-toughness PVC-U pipe material comprise, in parts by weight, 60 parts of nitrile rubber, 20 parts of ethylene propylene rubber, 1.0-2.0 parts of an organotin stabilizer, 1.0-2.0 parts of an anti-aging agent, 2.0-3.0 parts of a lubricant, 5.0-10.0 parts of filler, 3.0-6.0 parts of a processing assistant, 1.0-3.0 parts of diisopropylbenzene peroxide, 3.0-5.0 parts of titanium dioxide and 3.0-6.0 parts of a plasticizer. The produced PVC-U pipe material hasa high impact strength value and good toughness at the same time, and meanwhile the product has excellent weather resistance, flame retardancy and electrical properties.

Description

technical field [0001] The invention relates to a high-toughness PVC-U pipe, which belongs to the technical field of pipes. Background technique [0002] Polyvinyl chloride, referred to as PVC, is the first in China and the second largest general-purpose synthetic resin material in the world. Due to its excellent flame retardancy, wear resistance, chemical corrosion resistance, comprehensive mechanical properties, product transparency, and electrical insulation And relatively easy to process, etc. At present, PVC has become one of the most widely used plastic varieties. It is widely used in industry, construction, agriculture, daily life, packaging, electric power, public utilities and other fields. PVC is a A non-toxic, odorless white powder. It has high chemical stability and good plasticity. Except for a few organic solvents, it can withstand any concentration of hydrochloric acid, [0003] Less than 90% of sulfuric acid, 50-60% of nitric acid and less than 20% of caus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L23/16C08L91/06C08K13/02C08K5/14C08K3/22C08K5/12C08K5/09
CPCC08L9/02C08L2201/02C08L2203/18C08L2205/03C08L23/16C08K13/02C08K5/14C08K3/22C08K5/09C08K5/12C08L91/06
Inventor 刘永
Owner 刘永
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