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Reinforced thermoplastic plastic pipe

A technology that enhances thermoplastic and plastic pipes, applied in the field of pipes, can solve the problems of production impact, oil and gas fields do not have repair technology, etc., and achieve the effect of strong resistance to damage and good corrosion resistance

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

Since the connection process of RTP pipes is developed by each factory, there is no common technology and equipment, and oil and gas fields do not have corresponding repair technology. Therefore, once the RTP pipe leaks or is damaged, and the damaged pipe section needs to be replaced, you can only contact us. The manufacturer came to repair, it is difficult to solve the prime number in a short time, which will have a great impact on production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A reinforced thermoplastic pipe, which is made up of the following raw materials in parts by weight (kg):

[0017] PE80 97, zinc phosphate 3, carbon fiber 3, polyisobutylene 2-3, pyromellitic dianhydride 1, linolenic acid 1, octylisothiazolinone 1, bisimidazoline quaternary ammonium salt corrosion inhibitor 2, nano-fluorescent Stone powder 2, glass powder 2, octyl mercaptide OTM-17N 0.8, 2-mercaptobenzimidazole 0.8, composite filler 13;

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

[0019] Red clay 40, black sand 5, graphite powder 12, aluminum nitride powder 4, light calcium carbonate 8, polyvinyl alcohol 2, triglycidyl isocyanurate 0.2, eucalyptus oil 0.6;

[0020] Mix the above red clay and black sand, calcinate at 700°C for 2 hours, mix with light calcium carbonate after discharge, and grind into powder; mix the above graphite powder with polyvinyl alcohol, ball mill evenly, heat to 75°C, keep stirring For 6 minutes,...

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Abstract

The invention discloses a reinforced thermoplastic plastic pipe which is characterized by consisting of the following raw materials in parts by weight: 90-97 parts of PE80, 2-3 parts of zinc phosphate, 3-5 parts of carbon fiber, 2-3 parts of polyisobutene, 0.2-1 part of pyromellitic dianhydride, 1-2 parts of linoleic acid, 1-2 parts of octyl-4-isothiazolin-3-one, 2-3 parts of biimidazoline-ammonium-salt corrosion inhibitor, 2-4 parts of nano fluorite powder, 2-3 parts of glass powder, 0.8-1 part of octyl tin mercaptan OTM-17N, 0.8-2 parts of 2-mercapto benzimidazole and 10-13 parts of composite filler. The pipe is particularly suitable for long-distance transport pipes and offshore oil and gas fields, is high in corrosion resistance and has high damage resistance, and a leakage phenomenon is avoided.

Description

technical field [0001] The invention mainly relates to a pipe material, in particular to a reinforced thermoplastic pipe. Background technique [0002] For traditional steel pipes, although affected by corrosion and other factors, problems such as leakage or even bursting may occur, but due to the relatively mature detection and repair technology of steel pipes, oil and gas fields are familiar with their repair and detection, and can be used for existing pipelines. On-line detection of the state of the steel pipe, if any leaks or damages are found in the steel pipe, it can be repaired by reinforcement, welding and other technologies. But for RTP pipes, while non-metallic materials avoid corrosion problems, their electrical insulation makes many detection methods suitable for metal pipes helpless. The current damage repair method of RTP pipe is to use a new pipe to replace the damaged pipe section, which requires joint processing on site. Since the RTP pipe connection p...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/20C08K13/06C08K9/00C08K3/00C08K3/32C08K7/06C08K5/1539C08K5/09C08K5/47C08K5/3445C08K3/16C08K3/40C08K5/58C08K5/37
CPCC08L23/06C08L2203/18C08L2205/03
Inventor 张辉肖华刘雪慧胡朵朵
Owner SINOMACH GENERAL MACHINERY SCIENCE & TECHNOLOGY CO LTD
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