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Permanent antistatic nanometer PBT composite material

A composite material and antistatic technology, applied in the field of permanent antistatic nano-scale PBT composite materials, can solve the problems of poor low temperature impact toughness, high notch sensitivity, insufficient antistatic property, etc., achieve good heat resistance and simple preparation method , the effect of excellent permanent antistatic properties

Inactive Publication Date: 2014-04-09
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 thermoplastic engineering plastic, which has been widely used in electronic appliances, home appliances, automobile industry and other industries, but due to its poor low-temperature impact toughness and high notch sensitivity at room temperature, The disadvantages of low flame retardant energy efficiency and insufficient antistatic performance limit its application as a polymer structural material in certain fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A permanent antistatic nano-scale PBT composite material, the composition of which is composed of 70% PBT, 15% poly-2,6-dibromophenylene ether, 10% nano-scale calcium carbonate, and 0.2% stearic acid. %, 4% HBS-510 antistatic agent, 0.2% compound of antioxidant 1076 and antioxidant 168, 0.4% polysiloxane, 0.2% benzotriazole light stabilizer, among which, nanometer calcium carbonate The average particle size is between 20nm and 80nm.

[0022] Preparation method: (1) Dry PBT at 130°C-140°C for 3-5 hours, control the moisture content below 0.03%, and wait for use; (2) Dry poly-2,6-dibromophenylene ether at 85°C Dry at ~110°C for 30 to 45 minutes, ready to use; (3) Weigh the nano-scale calcium carbonate and stearic acid according to the weight ratio, and add it to an ultrasonic oscillator or a high-speed mixer with a speed of not less than 3000 rpm Stir at 100°C-200°C for 20-100 minutes to disperse evenly, then cool to below 40°C to obtain the expected product; (4) Weigh t...

Embodiment 2

[0024] A permanent antistatic nano-scale PBT composite material, the components of which are: 60% PBT, 20% poly-2,6-dibromophenylene ether, 15% nano-scale calcium carbonate, calcium stearate 0.3%, HBS-510 antistatic agent 3%, antioxidant 1010 and antioxidant 168 compound 0.5%, EVA wax 1%, benzophenone light stabilizer 0.2%, of which, nano-scale calcium carbonate The average particle size is between 20nm and 80nm.

[0025] Preparation method: (1) Dry PBT at 130°C-140°C for 3-5 hours, control the moisture content below 0.03%, and wait for use; (2) Dry poly-2,6-dibromophenylene ether at 85°C Dry at ~110°C for 30-45 minutes, ready to use; (3) Weigh the nano-sized calcium carbonate and calcium stearate according to the weight ratio, add an ultrasonic oscillator or a high-speed mixing machine with a speed of not less than 3000 rpm In the machine, stir at 100°C-200°C for 20-100 minutes to disperse evenly, and then cool to below 40°C to obtain the expected product; (4) Weigh the drie...

Embodiment 3

[0027] A permanent antistatic nano-scale PBT composite material, the components of which are: PBT 76%, poly-2,6-dibromophenylene ether 12%, nano-scale calcium carbonate 5%, silane coupling agent 0.1%, HDC-102 antistatic agent 5%, antioxidant 1076 and antioxidant JC-242 compound 0.6%, ethylene bisstearamide 1%, hindered amine light stabilizer 0.3%, of which, nano The average particle size of high-grade calcium carbonate is between 20nm and 80nm.

[0028] Preparation method: (1) Dry PBT at 130°C-140°C for 3-5 hours, control the moisture content below 0.03%, and wait for use; (2) Dry poly-2,6-dibromophenylene ether at 85°C Dry at ~110°C for 30-45 minutes, ready for use; (3) After weighing the nano-scale calcium carbonate and silane coupling agent according to the weight ratio, add an ultrasonic oscillator or a high-speed mixing machine with a speed of not less than 3000 rpm In the machine, stir at 100°C-200°C for 20-100 minutes to disperse evenly, and then cool to below 40°C to ...

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Abstract

The invention discloses a permanent antistatic nanometer PBT composite material. The permanent antistatic nanometer PBT composite material comprises, by mass, 60-80% of PBT, 12-20% of a flame retardant, 5-15% of nanometer calcium carbonate, 0.1-0.3% of a surface conditioning agent, 3-5% of an antistatic agent, 0.1-1% of an antioxidant, 0.2-1.5% of a lubricant and 0-0.5% of a light stabilizer. Compared with PBT composite materials in the prior art, the PBT composite material prepared in the invention has the advantages of excellent notch impact toughness, high rigidity, very good heat resistance, excellent mechanical properties, permanent antistatic performance, surface resistivity reaching 10<7>-10<10>omega.m, high flame retardation efficiency, good processability and low cost. A preparation method of the permanent antistatic nanometer PBT composite material, provided by the invention, has the advantages of simplicity, convenient operation, easy control and easy industrialization.

Description

technical field [0001] The invention relates to a polymer material, in particular to a permanent antistatic nano-scale PBT composite material. Background technique [0002] Polybutylene terephthalate (PBT) is a thermoplastic engineering plastic, which has been widely used in electronic appliances, home appliances, automobile industry and other industries, but due to its poor low-temperature impact toughness and high notch sensitivity at room temperature, The disadvantages of low flame retardant energy efficiency and insufficient antistatic property limit its application as a polymer structural material in certain fields. Contents of the invention [0003] The purpose of the present invention is to provide a permanent antistatic nano-scale PBT composite material with high impact strength, high flame-retardant energy efficiency, excellent mechanical properties and good processing properties. [0004] The technical solution adopted by the present invention to solve the techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L71/12C08K13/06C08K9/06C08K9/04C08K3/26C08K5/3475C08K5/07C08K5/17B29B7/00B29B9/06
Inventor 不公告发明人
Owner QINGDAO XINZHAN PLASTIC