Unlock instant, AI-driven research and patent intelligence for your innovation.

Polycarbonate/ABS composition

A technology of polycarbonate and composition, which is applied in the field of polycarbonate/ABS composition, can solve problems such as weak connection, poor compatibility, and decline in physical properties, and achieve the effect of increasing mechanical properties

Inactive Publication Date: 2009-04-08
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the simple blend of PC / ABS has the disadvantage of poor compatibility
The solubility parameters of styrene-acrylonitrile (SAN) in PC and ABS are relatively close, and PC is 9.8 (cal / cm 3 ) 0.5 , SAN is 9.3~9.6(cal / cm 3 ) 0.5 , the compatibility of SAN and PC is better, however, PC is difficult to be compatible with polybutadiene in ABS, which will cause a weak connection between them and reduce the physical properties

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The parts by weight of the composition of the polycarbonate / ABS composition of the present embodiment are:

[0029] 30 parts of polycarbonate with a molecular weight of 20,000-200,000;

[0030] 60 parts of ABS with a rubber content of 20% to 40%;

[0031] 9.8 parts of graft copolymers of butadiene and maleic anhydride with a graft rate of 5% to 20%;

[0032] Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester / bis(2,4-di-tert-butylphenyl)pentaerythritol bis-diphosphite in a ratio of 1:1 0.2 part of ester.

Embodiment 2

[0034] The parts by weight of the composition of the polycarbonate / ABS composition of the present embodiment are:

[0035] 27 parts of polycarbonate with a molecular weight of 20,000-200,000;

[0036] 58 parts of ABS with a rubber content of 20% to 40%;

[0037] 14 parts of graft copolymers of butadiene and maleic anhydride with a graft rate of 5% to 20%;

[0038] Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester / bis(2,4-di-tert-butylphenyl)pentaerythritol bis-diphosphite in a ratio of 1:1 1 part of ester.

Embodiment 3

[0040] The parts by weight of the composition of the polycarbonate / ABS composition of the present embodiment are:

[0041] 35 parts of polycarbonate with a molecular weight of 20,000-200,000;

[0042] 54 parts of ABS with a rubber content of 20% to 40%;

[0043] 10.3 parts of graft copolymers of butadiene and maleic anhydride with a graft rate of 5% to 20%;

[0044] Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester / bis(2,4-di-tert-butylphenyl)pentaerythritol bis-diphosphite in a ratio of 1:1 0.7 part of ester.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melting pointaaaaaaaaaa
degree of graftingaaaaaaaaaa
Login to View More

Abstract

A polycarbonate / ABS composition and its production are disclosed. The composition consists of polycarbonate with molecular-weight 20,000-200,000 20-50 proportion, ABS with rubber content 20-40% 40-60 proportion, graft copolymer of butadiene and maleic anhydride with graft ratio 5-20% 3-15 proportion, and tetra(beta-(3,5-di-tert-4-hydroxyphenyl)methyl acetic acid)pentaerythritol ester / di(2,4-di-tert-phenyl)pentaerythritol bi(diphosphorous acid ester in proportion of 1:1 0.1-1 proportion. It has better interface compatibility and mechanical impact performance. It can be used for various formed plastic product.

Description

Technical field [0001] The invention relates to the field of polymer materials, in particular to a polycarbonate / ABS composition. Background technique [0002] Polycarbonate (PC) has the advantages of high impact strength, creep resistance, good dimensional stability, heat resistance, transparency, non-toxicity, and good dielectric properties; but it also has poor processability, large internal stress in the product, and easy cracking. There are drawbacks like notch sensitivity, and it's expensive. Acrylonitrile / butadiene / styrene copolymer (ABS) has the advantages of good processing fluidity, easy surface decoration, and low price, but its impact strength is low and heat resistance is poor. [0003] Mixing PC and ABS to form a composition can achieve the effect of learning from each other. A PC / ABS alloy with better comprehensive properties is obtained. PC / ABS combines the excellent properties of PC and ABS. On the one hand, it improves the heat resistance, impact resista...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L69/00
Inventor 汪克风
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY