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Nanoscale toughened flame-retardant PBT composite material

A composite material and nano-scale technology, applied in the field of PBT composite materials, can solve the problems of low impact strength, poor flame retardancy, and insufficient toughness of pure PBT materials, and achieve excellent notched impact toughness, high flame retardant energy efficiency, and low cost.

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

However, pure PBT materials have disadvantages such as low notched impact strength, high brittleness, insufficient toughness and poor flame retardancy, which limit their application in some fields.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A nano-scale toughened and flame-retardant PBT composite material, the components of which are proportioned by mass percentage: 70% of PBT, 10% of nano-scale silicon dioxide, 18% of compound flame retardant, 0.2% of stearic acid, 1.2% polysiloxane, 0.4% compound of antioxidant 1076 and antioxidant 168, 0.2% of other additives, among them, the average particle size of nano-scale silica is between 10nm and 100nm. The fuel is a composite compound of 50wt% poly-2,6-dibromophenylene ether (PBO), 25wt% melamine phosphate (MPP) and 25wt% micron calcium oxide. Other additives are anti-ultraviolet agents and colorant.

[0021] Preparation method: (1) Weigh 50wt% of poly-2,6-dibromophenylene ether (PBO), 25wt% of melamine polyphosphate (MPP) and 25wt% of micron calcium oxide by weight, and mix them uniformly. The compound flame retardant is prepared, and then dried at 80°C-85°C for 30-45 minutes before use; (2) Dry PBT at 130°C-140°C for 3-5 hours, and the moisture content is co...

Embodiment 2

[0023] A nano-scale toughened and flame-retardant PBT composite material, the components of which are proportioned by mass percentage: 65% of PBT, 15% of nano-scale silicon dioxide, 18% of compound flame retardant, and 0.3% of calcium stearate , EVA wax 1.2%, the compound of antioxidant 1076 and antioxidant 168 0.3%, other additives 0.2%, among them, the average particle size of nano-scale silicon dioxide is between 10nm and 100nm, and the compound flame retardant The additive is a compound of poly-2,6-dibromophenylene ether (PBO) 50wt%, melamine phosphate (MPP) 25wt% and micron calcium oxide 25wt%. The other additives are anti-ultraviolet agent and color material.

[0024] Preparation method: (1) Weigh 50wt% of poly-2,6-dibromophenylene ether (PBO), 25wt% of melamine polyphosphate (MPP) and 25wt% of micron calcium oxide by weight, and mix them uniformly. The compound flame retardant is prepared, and then dried at 80°C-85°C for 30-45 minutes before use; (2) Dry PBT at 130°C-1...

Embodiment 3

[0026] A nano-scale toughened and flame-retardant PBT composite material, the components of which are proportioned by mass percentage: PBT 75%, nano-scale silicon dioxide 10%, compound flame retardant 13%, silane coupling agent 0.2% , 1% ethylene bis stearamide, 0.8% compound of antioxidant 1076 and antioxidant JC-242, among which, the average particle size of nano-scale silicon dioxide is between 10nm and 100nm, and the compound resist The fuel is a composite compound of 50wt% poly-2,6-dibromophenylene ether (PBO), 25wt% melamine phosphate (MPP) and 25wt% micron calcium oxide.

[0027] Preparation method: (1) Weigh 50wt% of poly-2,6-dibromophenylene ether (PBO), 25wt% of melamine polyphosphate (MPP) and 25wt% of micron calcium oxide by weight, and mix them uniformly. The compound flame retardant is prepared, and then dried at 80°C-85°C for 30-45 minutes before use; (2) Dry PBT at 130°C-140°C for 3-5 hours, and the moisture content is controlled at 0.03% The following, stand-...

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PUM

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Abstract

The invention discloses a nanoscale toughened flame-retardant PBT composite material. The nanoscale toughened flame-retardant PBT composite material comprises the following components by mass: 65%-75% of PBT, 5%-15% of nanoscale silicon dioxide, 12%-20% of a compound flame retardant, 0.1%-0.3% of a surface treating agent, 0.2%-1.5% of a lubricating dispersant, 0.1%-1% of an antioxidant and 0-0.5% of other additives. Compared a conventional PBT composite material, the PBT composite material prepared by the invention has excellent notch impact toughness, relatively high rigidity, excellent heat resistance, relatively good mechanical performances and processing properties, high flame-retardant efficiency and low cost, and can be relatively well used for material preparation in the fields of electronics, electrics, automobile industries, etc.

Description

technical field [0001] The invention relates to a polymer material, in particular to a nanoscale toughened and flame-retardant PBT composite material. Background technique [0002] Polybutylene terephthalate (PBT) is one of the five major engineering plastics and has been widely used in electronics, electrical appliances, home appliances, automobiles, building structures and other industries. However, pure PBT materials have disadvantages such as low notched impact strength, high brittleness, insufficient toughness and poor flame retardancy, which limit their application in certain fields. Contents of the invention [0003] The purpose of the present invention is to provide a nanoscale toughened and flame-retardant PBT composite material with good notched impact toughness, good mechanical strength, high flame-retardant energy efficiency and good processing performance. [0004] The technical solution adopted by the present invention to solve the technical problem is: a na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L71/12C08K13/06C08K9/04C08K9/06C08K3/36C08K5/3492C08K3/22B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92723B29C2948/92828B29C2948/92885B29C2948/92895
Inventor 不公告发明人
Owner QINGDAO XINZHAN PLASTIC