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High-temperature-resistant polyvinyl chloride pipe

A technology of polyvinyl chloride and high temperature resistance, applied in the field of high temperature resistant polyvinyl chloride pipes, can solve the problem that the high temperature resistance performance of PVC pipes cannot meet the demand, and achieve excellent shock absorption effect, ensure stability, and close the empty gap.

Inactive Publication Date: 2017-11-03
ANHUI LANTONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the high temperature resistance of PVC pipes cannot meet the demand, and the sealing performance needs to be improved urgently.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of high temperature resistant polyvinyl chloride pipe, its raw material comprises by weight: 40 parts of polyvinyl chloride, 24 parts of methyl vinyl silicone rubber, 1 part of 1,3-bis(tert-butylperoxyisopropyl) benzene, N -0.8 parts of cyclohexyl-2-benzothiazole sulfenamide, 1 part of zinc oxide, 50 parts of filling and reinforcing agent, 1 part of magnesium oxide, 2 parts of carboxymethyl cellulose, 1 part of anti-aging agent, 2 parts of polymetaphosphoric acid , 3 parts of plasticizer.

Embodiment 2

[0018] A high temperature resistant polyvinyl chloride pipe, its raw materials include by weight: 50 parts of polyvinyl chloride, 15 parts of methyl vinyl silicone rubber, 2 parts of 1,3-bis(tert-butylperoxyisopropyl) benzene, N - 0.2 parts of cyclohexyl-2-benzothiazole sulfenamide, 2 parts of zinc oxide, 40 parts of filling and reinforcing agent, 3 parts of magnesium oxide, 1 part of carboxymethyl cellulose, 3 parts of anti-aging agent, 1 part of polymetaphosphoric acid , 6 parts of plasticizer.

[0019] The plasticizer comprises by weight: 1 part of fatty alcohol, 2 parts of chlorinated paraffin, and 1 part of triethyl citrate. The filling and reinforcing agent includes by weight: 40 parts of halloysite compound, 2 parts of precipitated calcium carbonate, 10 parts of talc powder, 1 part of fly ash, 2 parts of sepiolite powder, 1 part of chelating titanate coupling agent share.

[0020] The halloysite composite is prepared by the following process: ultrasonically disperse h...

Embodiment 3

[0022] A kind of high temperature resistant polyvinyl chloride pipe, its raw material comprises by weight: 42 parts of polyvinyl chloride, 22 parts of methyl vinyl silicone rubber, 1.2 parts of 1,3-bis(tert-butylperoxyisopropyl) benzene, N -0.6 parts of cyclohexyl-2-benzothiazole sulfenamide, 1.2 parts of zinc oxide, 48 parts of filling and reinforcing agent, 1.5 parts of magnesium oxide, 1.8 parts of carboxymethyl cellulose, 1.5 parts of anti-aging agent, 1.8 parts of polymetaphosphoric acid , 4 parts of plasticizer.

[0023] The plasticizer comprises by weight: 2 parts of fatty alcohol, 1 part of chlorinated paraffin, and 2 parts of triethyl citrate. The filling and reinforcing agent includes by weight: 20 parts of halloysite compound, 8 parts of precipitated calcium carbonate, 5 parts of talc powder, 4 parts of fly ash, 1 part of sepiolite powder, and 2 parts of chelating titanate coupling agent share.

[0024] The halloysite composite is prepared by the following process...

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PUM

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Abstract

The invention discloses a high-temperature-resistant polyvinyl chloride pipe, which is prepared from the following raw materials in parts by weight: 40-50 parts of polyvinyl chloride, 15-24 parts of methyl vinyl silicone rubber, 1-2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene, 0.2-0.8 part of N-cyclohexyl-2-benzothiazolesulfenamide, 1-2 parts of zinc oxide, 40-50 parts of a filling reinforcing agent, 1-3 parts of magnesium oxide, 1-2 parts of carboxymethyl cellulose, 1-3 parts of an anti-aging agent, 1-2 parts of poly-metaphosphoric acid and 3-6 parts of a plasticizer. The high-temperature-resistant polyvinyl chloride pipe provided by the invention has high temperature aging resistance, thus being used for a long time at the temperature of 230 DEG C and better maintaining the physical properties at the temperature of 280 DEG C; the high-temperature-resistant polyvinyl chloride pipe has ultra-low compression permanent deformation, thus achieving the effect of effective sealing in a using process.

Description

technical field [0001] The invention relates to the technical field of polyvinyl chloride, in particular to a high-temperature-resistant polyvinyl chloride pipe. Background technique [0002] PVC is the abbreviation of Polyvinylchlorid. The main component of PVC pipe is polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness, ductility, etc. A material. It is a well-loved, popular and widely used synthetic material in the world today. It is the second most used synthetic material worldwide. At present, the high temperature resistance of PVC pipes cannot meet the demand, and the sealing performance needs to be improved urgently. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a high-temperature-resistant polyvinyl chloride pipe, which has high-temperature aging resistance, can be used for a long time at 230°C, and can maintain good physical proper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L83/07C08L1/28C08K13/06C08K9/06C08K3/34C08K3/26C08K5/14C08K5/11C08K5/21
CPCC08L27/06C08K2003/265C08K2201/014C08L2201/08C08L2203/18C08L2205/035C08L83/04C08L1/286C08K13/06C08K9/08C08K3/34C08K3/346C08K3/26C08K5/14C08K5/11C08K5/21
Inventor 谭中全
Owner ANHUI LANTONG TECH CO LTD
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