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Low-temperature impact-resistant tubular product

An impact-resistant and low-temperature technology, applied in the field of low-temperature impact-resistant pipes, can solve the problems of inferior steel pipes, no exposure, chemical sensitivity, etc., and achieve high shear strength, good low-temperature impact resistance, and excellent scratch resistance. Effect

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

The disadvantage is that the equipment is not as good as steel pipes. During construction, special attention should be paid to the safe distance of thermal heating, and it cannot be exposed to sunlight in the air, and it is sensitive to chemicals to prevent damage caused by leakage of sewage pipes.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0017] Polyethylene GF7750 76, drying oil alkyd resin 6, ethylene-octene copolymer 3, diacetone alcohol 1, triclosan 0.7, polyimide 2, epoxy dioctyl tetrahydrophthalate 3, Carbon fiber 3, illite powder 3, aluminum stearate 2, composite filler 5;

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

[0019] Chrysotile 40, gibbsite 15, chromium carbonate 5, ricinoleic acid 1, aluminum hydroxide 2, 2-hydroxyethyl methacrylate 3, glyceryl monostearate 4, Cross-linking agent TAC1, Polybutylacrylate 4, Antioxidant 168 1;

[0020] Mix and stir gibbsite, chrysotile and chromium carbonate, grind it into powder, add ricinoleic acid, stir and disperse at 600 rpm for 5 minutes, add aluminum hydroxide and polybutylacrylate, keep stirring at 160°C for 50 minutes , cooled to room temperature, added the remaining raw materials,...

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PUM

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Abstract

The invention discloses a low-temperature impact-resistant tubular product, which is characterized by being composed of the following raw materials in parts by weight: 70-76 parts of polyethylene GF7750, 4-6 parts of drying oil alkyd resin, 2-3 parts of ethylene-octene copolymer, 1-2 parts of diacetone alcohol, 0.7-2 parts of triclosan, 2-3 parts of polyimide, 3-4 parts of di(2-ethylhexyl)-epoxy tetrahydrophthalate, 2-3 parts of carbon fibers, 3-4 parts of illite powder, 2-3 parts of aluminum stearate and 5-7 parts of composite filler. The PE pipe provided by the invention is prepared from recycled polyethylene material so that the production cost is reduced and resources are saved; the tubular product provided by the invention has excellent low-temperature impact resistance; for construction in winter, pipe breakage is avoided; the low-temperature impact-resistant tubular product also has high shear strength and excellent scratch resistance.

Description

technical field [0001] The invention mainly relates to a pipe material, in particular to a low-temperature impact-resistant 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. [0003] PE pipes include medium-density polyethylene pipes and high-density polyethylene pipes. The former is suitable for transporting gaseous artificial gas, na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L67/08C08L23/08C08L79/08C08K13/04C08K7/06C08K5/136C08K5/1515C08K3/34C08K5/098
CPCC08L23/06C08L2203/18C08L2205/035C08L67/08C08L23/0815C08L79/08C08K13/04C08K7/06C08K5/1515C08K3/346C08K5/098C08K7/12
Inventor 徐全茂夏传兴吴文利孔德成
Owner SINOMACH GENERAL MACHINERY SCIENCE & TECHNOLOGY CO LTD
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