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PC/PA6 composition and preparation method for same

A composition and polycarbonate technology, applied in the field of materials, can solve the problems of poor compatibility, affecting the performance and application of the blending system, and achieve easy control, high flame retardancy, chemical resistance and good processing performance. Effect

Active Publication Date: 2014-07-30
SINOPLAST NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the huge difference in the crystallization properties of the two components in the PC / PA6 blend system, the compatibility is not good, which affects the performance and application of the blend system

Method used

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  • PC/PA6 composition and preparation method for same
  • PC/PA6 composition and preparation method for same
  • PC/PA6 composition and preparation method for same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] In this example, a PC / PA6 composition is prepared by an in-situ reaction compatibilization method, which is prepared from the following raw materials:

[0085]

[0086] The preparation method of above-mentioned PC / PA6 composition, comprises the following steps:

[0087] (1) Place the polycarbonate (PC) and polyamide 6 (PA6) at 110° C., dry for 4 hours, and after cooling, add the polycarbonate and polyamide 6 to a high-speed mixer for pre-mixing;

[0088] (2) Toluene diisocyanate (TDI), 2,2'-(1,3-phenylene)-bisoxazoline (PBO), styrene-maleic anhydride copolymer B (SMA), anti-dripping Agent, hindered phenolic antioxidant, phosphite antioxidant and lubricant join in another high-speed mixer and mix, then join the obtained mixture in the high-speed mixer in step (1) and mix;

[0089] (3) Place the pre-mixture mixed in step (2) in a parallel twin-screw extruder to melt and extrude, and granulate. The process parameters are as follows: the temperature of the first zone is...

Embodiment 2

[0092] In this example, a PC / PA6 composition is prepared by an in-situ reaction compatibilization method, which is prepared from the following raw materials:

[0093]

[0094] The preparation method of above-mentioned PC / PA6 composition, comprises the following steps:

[0095] (1) Place the polycarbonate (PC) and polyamide 6 (PA6) at 110° C., dry for 4 hours, and after cooling, add the polycarbonate and polyamide 6 to a high-speed mixer for pre-mixing;

[0096](2) Toluene diisocyanate (TDI), 2,2'-(1,3-phenylene)-bisoxazoline (PBO), styrene-maleic anhydride copolymer A (SMA), anti-dripping Agent, hindered phenolic antioxidant, phosphite antioxidant and lubricant join in another high-speed mixer and mix, then join the obtained mixture in the high-speed mixer in step (1) and mix;

[0097] (3) Place the pre-mixture mixed in step (2) in a parallel twin-screw extruder to melt and extrude, and granulate. The process parameters are as follows: the temperature of the first zone is ...

Embodiment 3

[0100] In this example, a PC / PA6 composition is prepared by an in-situ reaction compatibilization method, which is prepared from the following raw materials:

[0101]

[0102]

[0103] The preparation method of above-mentioned PC / PA6 composition, comprises the following steps:

[0104] (1) Place the polycarbonate (PC) and polyamide 6 (PA6) at 110° C., dry for 4 hours, and after cooling, add the polycarbonate and polyamide 6 to a high-speed mixer for pre-mixing;

[0105] (2) Toluene diisocyanate (TDI), 2,2'-(1,3-phenylene)-bisoxazoline (PBO), styrene-maleic anhydride copolymer B (SMA), anti-dripping Agent, hindered phenolic antioxidant, phosphite antioxidant and lubricant join in another high-speed mixer and mix, then join the obtained mixture in the high-speed mixer in step (1) and mix;

[0106] (3) Place the pre-mixture mixed in step (2) in a parallel twin-screw extruder to melt and extrude, and granulate. The process parameters are as follows: the temperature of the f...

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Abstract

The invention discloses a PC / PA6 composition and a preparation method for the same. The PC / PA6 composition is prepared from the following raw materials in parts by weight: 65-90 parts of polycarbonate, 10-35 parts of polyamide 6, 0.1-3 parts of toluene diisocynate, 0.1-3 parts of 2,2'-(1,3-phenylene)-dioxazoline, 0.1-6 parts of styrene-maleic anhydride copolymer, 0.1-2 parts of anti-drip agent, 0.1-1 part of hindered phenol antioxidant, 0.1-1 part of phosphite ester antioxidant and 0.1-1 parts of lubricant, wherein the sum of the parts by weight of polycarbonate and polyamide 6 is 100 parts. The PC / PA6 composition disclosed by the invention, which is good in mechanical property, and high in flame retardance, chemical resistance and processability, is prepared by a method of in-situ reactive compatibilization, and can be applied to the industries such as automobiles and electronics and electrical appliances.

Description

technical field [0001] The invention relates to the field of materials, in particular to a PC / PA6 composition and a preparation method thereof. Background technique [0002] The rapid development of China's industry in recent years has continuously expanded the application of polycarbonate (PC), and its demand has also continued to increase. However, with the rapid advancement of science and technology and the continuous upgrading of industrial products, the requirements for material performance are becoming more and more stringent. Conventional polycarbonate can no longer meet the requirements of various types of products in terms of product performance, and PC has a melt viscosity. Large size, poor fluidity, easy hydrolysis at high temperature, poor solvent resistance, high sensitivity to notches, prone to swelling and stress cracking, and large friction coefficient, high melting temperature, high price of special grades, etc., which directly affect its further application...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L77/02C08L35/06C08L27/18C08K5/134C08K5/526C08K5/103C08K5/29C08K5/353B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/625B29C48/92B29C2948/9259B29C2948/92704B29C2948/92895
Inventor 朱怀才王忠强钟毅文许环杰陈列
Owner SINOPLAST NEW MATERIAL
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