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Antistatic high-flame-retardant modified PBT material and preparation method thereof

A high flame retardant and antistatic technology, which is applied in the field of PBT materials and its preparation, can solve the problems of low notched impact strength, insufficient antistatic performance, and low flame retardancy, and achieve high antistatic performance, high mechanical strength, and high The effect of flame retardancy

Inactive Publication Date: 2014-06-25
QINGDAO XINZHAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polybutylene terephthalate (PBT) is a crystalline linear saturated polyester resin, which has been widely used in electronic appliances, home appliances, automobile industry and other industries, but due to its low notched impact strength, high brittleness, Defects such as low flame retardancy and insufficient antistatic performance limit its application in certain fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A PBT material with antistatic and high flame retardant modification, its components are proportioned by mass percentage: PBT 58%, poly 2,6-dibromophenylene ether 25%, antistatic masterbatch 15%, Polyethylene wax 1.5%, hindered phenol antioxidant 1076 and phosphite antioxidant 168 compound 0.5%. The PBT is polybutylene terephthalate, with a relative density of 1.31-1.35g / cm 3 , melting point 220℃~240℃, intrinsic viscosity 0.85~1.25dl / g. The antistatic masterbatch is composed of 75wt% polybutylene terephthalate (PBT), 20wt% bis(2-hydroxyethyl) octylmethyl ammonium bis-p-toluenesulfonate and 5wt% pentaerythritol stearyl Antistatic masterbatch composed of acid ester.

[0019] Preparation method: (1) Dry PBT at 130°C-140°C for 3-5 hours, and dry poly-2,6-dibromophenylene ether at 100°C-120°C for 30-45 minutes, then use; (2) Preparation of antistatic masterbatch: batching and weighing polybutylene terephthalate (PBT), bis(2-hydroxyethyl) octylmethyl ammonium bis-p-toluene...

Embodiment 2

[0021] A PBT material with antistatic and high flame retardant modification, its components are proportioned by mass percentage: PBT 70%, phosphonate flame retardant 18%, antistatic masterbatch 10%, EVA wax 1%, Compound of hindered phenol antioxidant 1076 and phosphite antioxidant 168 1%. The PBT is polybutylene terephthalate, with a relative density of 1.31-1.35g / cm 3 , melting point 220℃~240℃, intrinsic viscosity 0.85~1.25dl / g. The antistatic masterbatch is an antistatic masterbatch composed of 75wt% polybutylene terephthalate (PBT), 20wt% glyceryl monostearate (GMS) and 5wt% pentaerythritol stearate.

[0022] Preparation method: (1) Dry PBT at 130°C-140°C for 3-5 hours, dry phosphonate flame retardant at 100°C-120°C for 30-45min, and set aside; (2) Prepare antistatic masterbatch : Ingredients and weighing polybutylene terephthalate (PBT), glyceryl monostearate (GMS) and pentaerythritol stearate, and then add them to a high-speed mixer or ultrasonic generator and mix for 1...

Embodiment 3

[0024] A PBT material with antistatic and high flame retardant modification, its components are proportioned by mass percentage: PBT 55%, polysilane flame retardant 24%, antistatic masterbatch 20%, TAS-2A 0.6%, Compound of hindered phenol antioxidant 1076 and phosphite antioxidant 168 0.4%. The PBT is polybutylene terephthalate, with a relative density of 1.31-1.35g / cm 3 , melting point 220℃~240℃, intrinsic viscosity 0.85~1.25dl / g. The antistatic masterbatch is an antistatic masterbatch composed of 75wt% polybutylene terephthalate (PBT), 20wt% nano-scale antimony-doped tin oxide (ATO) and 5wt% pentaerythritol stearate.

[0025] Preparation method: (1) Dry the PBT at 130°C-140°C for 3-5 hours, and dry the polysilane flame retardant at 100°C-120°C for 30-45 minutes before use; (2) Prepare antistatic masterbatch: Ingredients and weigh polybutylene terephthalate (PBT), nano-scale antimony-doped tin oxide (ATO) and pentaerythritol stearate, and then add it to a high-speed mixer o...

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Abstract

The invention discloses an antistatic high-flame-retardant modified PBT material and a preparation method thereof. The antistatic high-flame-retardant modified PBT material comprises, by mass, 40 to 75% of PBT, 15 to 30% of a fire retardant, 10 to 20% of an antistatic master batch, 0.1 to 2% of a lubricating agent and 0.1 to 1% of an anti-oxidant. The invention has the following beneficial effects: the PBT material is prepared through addition of the antistatic master batch and adoption of a blending method, has surface resistivity of 10<8> to 10<10> omega.cm, a highly efficient and long-lasting anti-static function, high flame resistance, high mechanical strength, high heat resistance, excellent electrical performance and other characteristics, can be widely applied to fields like industrial spare and accessory parts for electronics, electric appliances, automobile, etc., and has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a modified PBT material with antistatic properties and high flame retardancy and a preparation method thereof. Background technique [0002] Polybutylene terephthalate (PBT) is a crystalline linear saturated polyester resin, which has been widely used in electronic appliances, home appliances, automobile industry and other industries, but due to its low notched impact strength, high brittleness, Defects such as low flame retardancy and insufficient antistatic properties limit its application in certain fields. Contents of the invention [0003] The object of the present invention is to provide a kind of PBT material with antistatic and high flame retardancy modification and its preparation method. [0004] The technical solution adopted by the present invention to solve the technical problem is: PBT material with antistatic and high flame retardant modification, its ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08K13/02C08K5/103C08J3/22B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/911B29C48/92B29C2948/9218B29C2948/92561B29C2948/92828
Inventor 不公告发明人
Owner QINGDAO XINZHAN PLASTIC