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Low-temperature resistant high-toughness PVC (polyvinyl chloride) pipe

A PVC pipe, high toughness technology, applied in rigid pipes, pipes, general water supply and saving, etc., can solve the problems of UPVC monomer and additive leakage, etc., achieve good toughness, good low temperature resistance, and not easy to break.

Inactive Publication Date: 2014-02-05
SINOMACH GENERAL MACHINERY SCIENCE & TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

UPVC pipe has strong corrosion resistance, easy bonding, low price, and hard texture. However, due to the leakage of UPVC monomer and additives, it is only suitable for water supply systems with a delivery temperature not exceeding 45°C.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A low-temperature-resistant high-toughness PVC pipe, which is composed of the following raw materials in parts by weight (kg):

[0017] PVC resin 80, thermoplastic polyurethane elastomer 12, stearic acid 3, mannitol 3, dimolybdenum boride 1, polyvinyl butyral ester 4, sodium methylene dinaphthalene sulfonate 0.3, tall oil 2, nitrogen Silicon 3, lapis lazuli powder 5, octylisothiazolinone 1, composite filler 10;

[0018] Described composite filler is made up of the raw material of following weight part:

[0019] Polyethylene wax 4, Suzhou soil 24, alum powder 5, polyisobutylene 2, sodium carboxymethyl cellulose 2, dimethylaminoethyl methacrylate 3, neopentyl glycol 3, antioxidant 1035 1, Cross-linking agent TAC1-2, Cedar oil 1-2, isooctyl dithioglycolate 0.5 di-n-octyl tin;

[0020] Calcinate Suzhou soil at 800°C for 3 hours, mix and grind it with polyisobutylene and alum powder after discharging the material, heat and melt the above-mentioned polyethylene wax and add ...

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PUM

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Abstract

The invention discloses a low-temperature resistant high-toughness PVC (polyvinyl chloride) pipe which is characterized by consisting of the following raw materials in parts by weight: 76-80 parts of PVC resin, 8-12 parts of thermoplastic polyurethane elastomer, 2-3 parts of stearic acid, 2-3 parts of mannitol, 1-2 parts of dimolybdenum boride, 3-4 parts of polyvinyl butyral ester, 0.3-1 part of sodium methylene dinaphthalenesulfonate, 1-2 parts of tall oil, 2-3 parts of silicon nitride, 3-5 parts of celestite powder, 1-2 parts of octylisothiazolinone and 6-10 parts of composite filler. The PVC pipe disclosed by the invention has excellent toughness, good mechanical strength, strong wear and impact resistance and strong weather resistance; particularly, with good low-temperature resistance, the PVC pipe is not easily fractured, damaged and the like under a low-temperature condition.

Description

technical field [0001] The invention mainly relates to a pipe material, in particular to a low-temperature-resistant high-toughness PVC pipe material. Background technique [0002] PVC pipe (UPVC pipe) Rigid polyvinyl chloride pipe is made of polyvinyl chloride resin, stabilizer, lubricant, etc., and is extruded by hot pressing. It is the earliest plastic pipe that has been developed and applied. UPVC pipe has strong corrosion resistance, easy bonding, low price, and hard texture. However, due to the leakage of UPVC monomer and additives, it is only suitable for water supply systems with a delivery temperature not exceeding 45°C. Plastic piping is used in applications for conveying potable water, waste water, chemicals, heating and cooling fluids, food, ultrapure liquids, slurries, gases, compressed air and vacuum systems. Contents of the invention [0003] The object of the present invention is to provide a PVC pipe with low temperature resistance and high toughness. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L75/04C08L29/14C08L23/06C08L23/20C08L1/26C08K13/02C08K5/09C08K5/053C08K3/38C08K5/42C08K5/5445C08K3/34C08K5/47C08K3/24C08K5/58F16L9/12
CPCY02A20/20
Inventor 徐全茂刘泳吴文利余明峰
Owner SINOMACH GENERAL MACHINERY SCIENCE & TECHNOLOGY CO LTD
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