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Nylon and ABS alloy material with improved heat-resisting performance

An alloy material and heat-resistant technology, applied in the field of nylon and ABS alloy materials, can solve the problems of large difference in solubility parameters, large interphase tension between two phases, thermodynamic incompatibility, etc., and achieve dimensional stability, material dimensional stability, and appearance. Good results

Inactive Publication Date: 2006-11-01
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since PA6 is a polymer with crystallinity, strong polarity and low melt viscosity, and ABS is a non-crystalline, weakly polar polymer, the solubility parameters of the two are quite different, which is a thermodynamic difference. Compatibility, simple industrial mixing leads to high interfacial tension between the two phases, resulting in poor mechanical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 and 2

[0028] Use SMA, ABS-g-MAH as compatibilizer, 1098 / 168 (1:1) and 1076 as antioxidant, N-phenylmaleimide as heat resistant agent, high molecular weight polysiloxane as lubricant.

[0029] raw material name

Proportion 1 (wt%)

Proportion 2 (wt%)

PA6 slice

30

38

ABS

34

24

SAN

5

5

glass fiber

20

20

SMA

5

--

ABS-g-MAH

--

4

1098 / 168(1∶1)

0.4

0.4

heat resistant agent

5

8

1076

0.3

0.3

High Molecular Weight Polysiloxane

0.3

0.3

[0030] Except for the glass fiber, put the other components in proportion to the high-mixing machine and mix for 4 minutes, then extrude and granulate with the glass fiber with a screw extruder, the processing temperature is 260°C, and the screw speed is 500 rpm point.

[0031] According to the product performance contrast of sample 1, sample 2 that embodiment 1, e...

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PUM

PropertyMeasurementUnit
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Abstract

An improved nylon and ABS alloy material consists of nylon6 slice 30-70wt%, ABS 10-50wt%, SAN 5-30wt%, glass fiber 10-40wt%, heat-resisting agent 1-15wt%, compatible agent 1-10wt%, antioxidant 0.1-1wt% and lubricating agent 0.1-0.5wt%. It has excellent heat-resisting and medicine-resisting performances, stable size, good appearance and high strength. It can be used for wheel shield of automobile, gauge board rack, bumper and sports appliances and electric motor.

Description

technical field [0001] The invention relates to a nylon and ABS alloy material with improved heat resistance, in particular to a nylon and ABS alloy material with improved heat resistance for injection molding automobile wheel covers, instrument panel round frames, bumpers, sports equipment and other motor products. ABS alloy material. technical background [0002] Nylon and ABS alloys were first introduced by Borg Warner Chemicals and Monsanto in the United States. They have higher heat distortion temperatures than PA and higher Vicat softening temperatures, making them ideal materials for manufacturing automotive body panels and other automotive components. [0003] PA6 has the advantages of wear resistance, solvent resistance, oil resistance, and wide service temperature, but it also has shortcomings such as high water absorption, poor dimensional stability, low temperature and low dry impact strength, which greatly limit its use. Blending PA6 with ABS can produce an all...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08K7/14C08L55/02
Inventor 李茂林杨涛孟成铭唐倬吴小龙
Owner SHANGHAI SUNNY
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