PC/ABS alloy with excellent hydrolysis resistance and preparation method thereof

A hydrolysis-resistant and hydrolytic agent-resistant technology, which is applied in the field of polymer materials, can solve problems such as PC/ABS performance degradation, and achieve the effect of improving hydrolysis resistance and mechanical properties

Inactive Publication Date: 2010-07-28
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the PC / ABS material is exposed to water at high temperature, the residues in acids, alkalis or emulsifiers can cause its degradation, resulting in a significant decline in the performance of PC / ABS

Method used

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  • PC/ABS alloy with excellent hydrolysis resistance and preparation method thereof
  • PC/ABS alloy with excellent hydrolysis resistance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A PC / ABS alloy with excellent hydrolysis resistance and a preparation method thereof, the method comprising the following steps:

[0058] (1) Weigh each component by weight: PC-201-10 is 60kg, AT-8 is 35kg, MBS is 5kg, compatibilizer is 5kg, antioxidant 1076 is 0.1kg, lubricant PETS is 0.5kg, Anti-hydrolysis agent phosphate ester 0.1kg.

[0059] (2) Place the above materials in a medium-speed mixer and mix for 20 minutes to obtain the mixed materials;

[0060] (3) Put the mixed material into a twin-screw extruder, control the screw speed to 450rpm, melt and extrude, and granulate to obtain the product. The twin-screw extruder includes 10 temperature control zones, the temperature of temperature control zone 1-2 is 180-260°C, the temperature of temperature control zone 3-4 is 180-260°C, and the temperature of temperature control zone 5-6 is 180°C -260°C, the temperature of temperature control zone 7-8 is 180-260°C, and the temperature of temperature control zone 9-10 i...

Embodiment 2

[0062] A PC / ABS alloy with excellent hydrolysis resistance and a preparation method thereof, the method comprising the following steps:

[0063] (1) Weigh each component by weight: PC-201-10 is 60kg, AT-8 is 35kg, MBS is 5kg, compatibilizer is 5kg, antioxidant 1076 is 0.1kg, lubricant PETS is 0.5kg, Anti-hydrolysis agent phenyl phosphate 0.1kg.

[0064] (2) Place the above materials in a medium-speed mixer and mix for 20 minutes to obtain the mixed materials;

[0065] (3) Put the mixed material into a twin-screw extruder, control the screw speed to 450rpm, melt and extrude, and granulate to obtain the product. The twin-screw extruder includes 10 temperature control zones, the temperature of temperature control zone 1-2 is 180-260°C, the temperature of temperature control zone 3-4 is 180-260°C, and the temperature of temperature control zone 5-6 is 180°C -260°C, the temperature of temperature control zone 7-8 is 180-260°C, and the temperature of temperature control zone 9-10 ...

Embodiment 3

[0067] A PC / ABS alloy with excellent hydrolysis resistance and a preparation method thereof, the method comprising the following steps:

[0068] (1) Weigh each component by weight: PC-201-10 is 60kg, AT-8 is 35kg, MBS is 5kg, compatibilizer is 5kg, antioxidant 1076 is 0.1kg, lubricant PETS is 0.5kg, Anti-hydrolysis agent phosphate ester 0.2kg.

[0069] (2) Place the above materials in a medium-speed mixer and mix for 20 minutes to obtain the mixed materials;

[0070] (3) Put the mixed material into a twin-screw extruder, control the screw speed to 300rpm, melt and extrude, and granulate to obtain the product. The twin-screw extruder includes 10 temperature control zones, the temperature of temperature control zone 1-2 is 180-260°C, the temperature of temperature control zone 3-4 is 180-260°C, and the temperature of temperature control zone 5-6 is 180°C -260°C, the temperature of temperature control zone 7-8 is 180-260°C, and the temperature of temperature control zone 9-10 i...

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Abstract

The invention relates to a PC / ABS alloy with excellent hydrolysis resistance and a preparation method thereof; the alloy comprises the following components in parts by weight: 50 to 70 parts of PC, 30 to 40 parts of ABS, 5 to 10 parts of compatibilizer, 5 to 10 parts of toughener, 0.1 to 1 part of hydrolysis agent, 0.1 to 1 part of lubricant and 0.1 to 1 part of antioxidant; the components are prepared in the parts by weight, put into a medium-speed mixer to be mixed for 20min, to prepare mixed material; and finally the mixed material is put into a twin-screw extruder, the rotating speed of the screws is controlled to be 180 to 600rpm, the material is melted, extruded and granulated, and the product is prepared. Compared with the prior art, the PC / ABS provided by the invention adopts ABS and the hydrolysis agent which are specially synthesized, thereby not only improve the mechanical performance of the material, but also improving the hydrolysis resistance of the PC / ABS alloy.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a PC / ABS alloy with excellent hydrolysis resistance and a preparation method thereof. Background technique [0002] PC / ABS alloy is an amorphous engineering plastic with excellent impact strength, heat resistance, high rigidity and other properties. But PC is a condensation polymer with repeating units of carbonates, and these carbonate bonds can react with water, causing the polymer to decrease in molecular weight and lose its proper physical properties. The chemical residues of various catalysts such as acids and bases produced during the production process can increase the hydrolysis rate of PC. In addition, some components necessary for the polymerization process of emulsion polymers can also cause PC decomposition. For example, residues of emulsifiers such as fatty acids or their salts can cause PC stability problems. Therefore, when the PC / ABS material is exposed to wate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L55/02C08L53/02C08L33/12C08L33/00C08L85/02C08K3/32
Inventor 张毅李文强苏晨光李荣群辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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