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High-strength PVC (polyvinyl chloride) plastic pipe

A plastic pipe fitting, high-strength technology, applied in the direction of pipe/pipe joint/pipe fitting, pipe, rigid pipe, etc., can solve the problems of poor surface hardness and tensile strength, unsuitable for use in harsh environments, short service life, etc., to achieve hardness And the effect of good tensile strength, good aging resistance and long service life

Inactive Publication Date: 2014-01-01
QINGDAO SANLI XINYUAN ELECTRICAL APPLIANCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing PVC pipes have poor surface hardness and tensile strength, short service life, and are not suitable for use in harsh environments

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Below in conjunction with specific embodiment the present invention is described in further detail;

[0017] A high-strength PVC plastic pipe fitting is characterized in that it consists of the following components by weight:

[0018] Resin 40~60;

[0019] Powdered nitrile 10~20;

[0020] Heat stabilizer 3~4;

[0021] Titanium dioxide 1~2;

[0022] Stearic acid 5-10;

[0023] Flame retardant 2~5;

[0024] Sulfonate modified polyol 0.001~0.005;

[0025] Paraffin 0.5~1.

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PUM

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Abstract

The invention discloses a high-strength PVC (polyvinyl chloride) plastic pipe which is prepared from the following components in parts by weight: 40-60 parts of resin, 10-20 parts of powder butyronitrile, 3-4 parts of heat stabilizer, 1-2 parts of titanium white, 5-10 parts of stearic acid, 2-5 parts of flame retardant, 0.001-0.005 part of sulfonate modified polyalcohol and 0.5-1 part of paraffin. The pipe has the advantages of high surface hardness, high tensile strength, high safety factor of pipelines, high aging resistance (the normal service life is up to more than 50 years), high oxygen index (the material belongs to a B2 flame-resistant material and has self-extinguishing property), small expansion coefficient of pipelines (0.07 mm / m.oc), small deformation amount influenced by temperature, small heat conductivity coefficient, small elastic modulus and high anti-freezing property.

Description

technical field [0001] The invention relates to the technical field of plastic pipes, in particular to a high-strength PVC pipe. Background technique [0002] The main component of PVC pipe is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness, ductility, etc. PVC pipe is a mature pipe, mainly used in water supply and drainage projects. Existing PVC pipes have poor surface hardness and tensile strength, short service life, and are not suitable for harsh environments. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a [0004] And tensile strength, long service life, suitable for high-strength PVC pipes used in harsh environments. [0005] In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a high-strength PVC plastic pipe fitting, which is characterized in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L9/02C08K13/02C08K5/09C08K3/22C08K5/01F16L9/12
Inventor 王淑秋
Owner QINGDAO SANLI XINYUAN ELECTRICAL APPLIANCES
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