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Nanometer environmentally friendly pbt material

A nano-scale and environmentally friendly technology, applied in the field of materials, can solve the problems of low notched impact strength and large molding shrinkage rate, and achieve the effect of promoting compatibility, good tensile resistance and wide application range.

Active Publication Date: 2014-11-12
广东森绅实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the notched impact strength is low and the molding shrinkage is large

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of nano-environmental friendly PBT material, it is made up of the raw material of following parts by weight (kg):

[0022] Polybutylene terephthalate 100, methyl ethyl ketone oxime 0.7, tricalcium silicate 2, butyl tin mercaptide 2, sebacic acid dihydrazide 1, polyhexamethylene guanidine 2, sodium fluoride 1, nano Brick slag powder 2, aluminum dihydrogen phosphate 2, molybdenum boride 2, phosphate ester 3, dioctyl phthalate 2, crosslinking agent TAC0.2, processing aid 1;

[0023] Described processing aid is made up of the raw material of following weight part:

[0024] Tricalcium silicate 2, tamarind gum 3, silicone masterbatch 2, dioctyl sebacate 3, oyster shell powder 3, ammonium tungstate 0.3, 8-hydroxyquinoline 0.4, polydimethylsiloxane 1 ;

[0025] Mix oyster shell powder and silicone masterbatch, stir evenly, add dioctyl sebacate, heat and mix at 60°C for 4 minutes, add polydimethylsiloxane, stir and disperse at 300 rpm for 10 minutes to obtain premix; ...

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Abstract

The invention discloses a nanometer environmentally friendly pbt material. The nanometer environmentally friendly pbt material comprises, by weight, 92-100 parts of polybutylene terephthalate, 0.7-1 part of methyl ethyl ketone oxime, 1-2 parts of tricalcium silicate, 1-2 parts of butylmercaptooxo stannane, 1-2 parts of sebacic dihydrazide, 1-2 parts of polyhexamethylene guanidine, 1-2 parts of sodium fluoride, 2-4 parts of nanometer brick slag powder, 1-2 parts of aluminum dihydrogen phosphate, 1-2 parts of molybdenum boride, 2-3 parts of phosphate ester, 2-4 parts of dioctyl phthalate, 0.1-0.2 part of cross-linking agents TAC and 1-2 parts of processing agents. The nanometer environmentally friendly pbt material is good in environmental protection performance, compatibility among the materials is well promoted due to the added nanometer materials, and the comprehensive performance of products is increased. The finished product is good in anti-abrasion performance and tensile resistance, high in heat resistance and acid and alkali resistance, wide in application range and good in safety and environmental protection performance.

Description

technical field [0001] The invention mainly relates to the field of materials, in particular to a nano-environmental friendly PBT material. Background technique [0002] Polybutylene terephthalate has low weather resistance and water absorption rate of only 0.1%. It still maintains various physical properties (including electrical properties) and electrical insulation in a humid environment, but its volume resistance and dielectric loss are large. Resistant to hot water, alkalis, acids, oils, but easily corroded by halogenated hydrocarbons, poor hydrolysis resistance, rapid crystallization at low temperature, good formability. The disadvantage is that the notched impact strength is low and the molding shrinkage is large. Therefore, most of them are reinforced by glass fiber or modified by inorganic filling, the tensile strength and bending strength can be more than doubled, and the heat distortion temperature is also greatly increased. It can work at 140°C for a long t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08K13/06C08K3/34C08K3/16C08K3/32C08K3/38C08K5/12
Inventor 孟勇
Owner 广东森绅实业有限公司
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