Low-temperature-resistant modified polybutylene terephthalate (PBT)

A technology of polybutylene terephthalate and dioctyl phthalate, which is applied in the field of low-temperature-resistant modified polybutylene terephthalate, which can solve the limitations of application fields, shorten service life, and Problems such as poor low temperature resistance, to achieve long service life, reduce economic costs, and not easy to become brittle

Inactive Publication Date: 2017-04-05
佛山市高明区生产力促进中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently used polybutylene terephthalate generally has the problem of poor low temperature resistance. It is prone to become brittle and hard when used in a low temperature environment, which seriously shortens the service life. Polybutylene terephthalate The field of application of esters causes limitations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A low-temperature-resistant modified polybutylene terephthalate, the combined raw materials include: 130 parts of polybutylene terephthalate, 18 parts of pentaerythritol stearate, 8 parts of octene copolymer, phthalate 20 parts of dioctyl formate, 13 parts of brominated polystyrene, 8 parts of magnesium hydroxide, 15 parts of phenolic resin, 12 parts of polytetrafluoroethylene, 14 parts of polychlorotrifluoroethylene, 19 parts of parylene, polydecyl 19 parts of dilactam, 6 parts of carbon fiber, 5 parts of synthetic vegetable ester, 7 parts of geotextile, 13 parts of antistatic agent, 8 parts of coupling agent, 16 parts of binder, and 12 parts of fungicide;

[0027] The antistatic agent is made by mixing sodium stearate, alkenyl sulfonate, white soap powder, sodium alkyl sulfonate, conductive sponge and graphite according to the mass ratio of 3:1:5:8:7:4;

[0028] The adhesive is made by mixing cyanoacrylate, neoprene glue, asphalt, and rosin in a mass ratio of 4:11:6:9...

Embodiment 2

[0038] A low-temperature-resistant modified polybutylene terephthalate, the combined raw materials include: 120 parts of polybutylene terephthalate, 15 parts of pentaerythritol stearate, 6 parts of octene copolymer, phthalate 15 parts of dioctyl formate, 10 parts of brominated polystyrene, 6 parts of magnesium hydroxide, 14 parts of phenolic resin, 8 parts of polytetrafluoroethylene, 11 parts of polychlorotrifluoroethylene, 16 parts of parylene, polydecyl 15 parts of dilactam, 4 parts of carbon fiber, 3 parts of synthetic vegetable ester, 4 parts of geotextile, 11 parts of antistatic agent, 6 parts of coupling agent, 12 parts of binder, and 9 parts of fungicide;

[0039] The antistatic agent is made by mixing sodium stearate, alkenyl sulfonate, white soap powder, sodium alkyl sulfonate, conductive sponge and graphite according to the mass ratio of 3:1:5:8:7:4;

[0040] The adhesive is made by mixing cyanoacrylate, neoprene glue, asphalt, and rosin in a mass ratio of 4:11:6:9; ...

Embodiment 3

[0050] A low-temperature-resistant modified polybutylene terephthalate, the combined raw materials include: 140 parts of polybutylene terephthalate, 22 parts of pentaerythritol stearate, 10 parts of octene copolymer, phthalate 25 parts of dioctyl formate, 15 parts of brominated polystyrene, 13 parts of magnesium hydroxide, 17 parts of phenolic resin, 15 parts of polytetrafluoroethylene, 18 parts of polychlorotrifluoroethylene, 24 parts of parylene, polydecyl 23 parts of dilactam, 8 parts of carbon fiber, 8 parts of synthetic vegetable ester, 9 parts of geotextile, 16 parts of antistatic agent, 13 parts of coupling agent, 19 parts of binder, and 15 parts of fungicide;

[0051] The antistatic agent is made by mixing sodium stearate, alkenyl sulfonate, white soap powder, sodium alkyl sulfonate, conductive sponge and graphite according to the mass ratio of 3:1:5:8:7:4;

[0052] The adhesive is made by mixing cyanoacrylate, neoprene glue, asphalt, and rosin in a mass ratio of 4:11:...

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PUM

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Abstract

The invention provides low-temperature-resistant modified PBT and relates to the technical field of high molecular materials. The modified PBT includes: 120-140 parts of PBT, 15-22 parts of pentaerythritol stearate, 6-10 parts of an octene copolymer, 15-25 parts of dioctyl phthalate, 10-15 parts of bromo-polystyrene, 6-13 parts of magnesium hydroxide, 14-17 parts of phenolic resin, 8-15 parts of polytetrafluoroethylene, 11-18 parts of polytrifluorochloroethylene, 16-24 parts of poly-p-xylene, 15-23 parts of polylauryl lactam, 4-8 parts of carbon fibers, 3-8 parts of synthetic plant esters, 4-9 parts of geotechnical cloth, 11-16 parts of an antistatic agent, 6-13 parts of a coupling agent, 12-19 parts of a binding agent, and 9-15 parts of a sterilizing agent. The modified PBT is low in raw material cost and simple in production process, has excellent low-temperature resistance and is suitable for low-temperature work situations.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a low-temperature-resistant modified polybutylene terephthalate. Background technique [0002] Polybutylene terephthalate (English name polybutylene terephthalate, referred to as PBT), also known as polytetramethylene terephthalate (polytetramethylene terephthalate), is produced by terephthalic acid and 1,4-butanediol Polyester made by polycondensation is the most important thermoplastic polyester and one of the five major engineering plastics. [0003] Polybutylene terephthalate is a milky white translucent to opaque, semi-crystalline thermoplastic polyester with high heat resistance, can work at 140°C for a long time, toughness, fatigue resistance, self-lubrication, and low coefficient of friction. Not resistant to strong acid and strong alkali, but resistant to organic solvents, flammable and decomposed at high temperature. Due to these excellent properties, it has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L23/20C08L25/06C08L61/06C08L27/18C08L27/12C08L77/02C08K13/04C08K7/06C08K5/103C08K3/22C08K5/098C08K5/42C08K3/04
CPCC08L67/02C08K2201/014C08K2201/017C08L2205/035C08L23/20C08L25/06C08L61/06C08L27/18C08L27/12C08L77/02C08K13/04C08K7/06C08K5/103C08K2003/2224C08K5/098C08K5/42C08K3/04
Inventor 贺海兰
Owner 佛山市高明区生产力促进中心
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