Polyamide/acrylonitrile-butadiene-styrene copolymer alloy and its prepn

A styrene copolymer and polyamide technology, which is applied in the field of polyamide/acrylonitrile-butadiene-styrene copolymer alloy and its preparation, can solve the problem of rough appearance of products, affecting material application, poor comprehensive performance of alloy materials, etc. problem, to achieve the effect of good molding stability, low production cost and balanced toughness

Inactive Publication Date: 2007-11-07
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing polycaprolactam (PA6) and acrylonitrile-butadiene-styrene copolymer (ABS) belong to the crystalline / amorphous blend system, and the morphological structure of the system is in a fine phase-separated state. The overall performance of the obtained alloy material is poor, and the appearance of the formed product is relatively rough, which affects the wider application of this type of material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The weight ratio is PA6---60%; ABS---25%; HF-02---8%; EXL-2691A---6%; 1010---0.2%; CAV102---0.3%; Lubricant --- 0.5%, dry mixed in a high-speed mixer at room temperature for 4 minutes, and then added to a twin-screw extruder, melt-extruded and granulated to make a composite material. The heating zones of the screw are set as follows: Zone 1 200°C, Zone 2 210°C, Zone 3 220°C, Zone 4 230°C, the residence time is 2 minutes, and the pressure is 20Mpa.

Embodiment 2

[0033] The weight ratio is PA6---55%, ABS---30%; HF-02: 8%; EXL2691A---6%, 1010---0.2%, CAV102---0.3%, lubricant-- -0.5%, dry mixed in a high-speed mixer at room temperature for 4 minutes, then added to a twin-screw extruder, melted, extruded, and granulated to form a composite material. The heating zones of the screw are set as follows: Zone 1 200°C, Zone 2 210°C, Zone 3 220°C, Zone 4 230°C, the residence time is 2 minutes, and the pressure is 20Mpa.

Embodiment 3

[0035] The weight ratio is PA6---50%, ABS---35%; HF-02---8%; EXL2691A---6%, 1010---0.2%, CAV102---0.3%, lubricant ---0.5%, dry mix in a high-speed mixer at room temperature for 4 minutes, then add to a twin-screw extruder, melt extrude, and granulate to make a composite material. The heating zones of the screw are set as follows: Zone 1 200°C, Zone 2 210°C, Zone 3 220°C, Zone 4 230°C, the residence time is 2 minutes, and the pressure is 20Mpa.

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Abstract

The present invention relates to one kind of polyamide/acrylonitrile-butadiene-styrene copolymer alloy and its preparation process. The polyamide/acrylonitrile-butadiene-styrene copolymer alloy is prepared with polyamide 35-60 wt%, acrylonitrile-butadiene-styrene copolymer 8-50 wt%, compatilizer 2-10 wt%, flexibilizer 2-15 wt%, antioxidant stabilizer 0.2-2 wt%, lubricant 0.3-3 wt%, and nucleator 0.1-2 wt%. The preparation process includes weighing the materials based on the weight proportion, mixing in a high speed mixer for 1-4 min, mixing, melting and extruding in a double screw extruder, and pelletizing. The polyamide/acrylonitrile-butadiene-styrene copolymer alloy has simple processing and molding process and high performance.

Description

[technical field] [0001] The invention relates to the technical field of polymer materials, in particular to a polyamide / acrylonitrile-butadiene-styrene copolymer alloy and a preparation method thereof. [Background technique] [0002] As the first of the five major engineering plastics, polyamide has a series of excellent physical and mechanical properties determined by its special molecular structure. However, due to its large shrinkage, strong water absorption, and poor dimensional stability, the addition of ABS resin can just overcome the above shortcomings. , the prepared alloy material combines the heat resistance and chemical resistance of polyamide materials, and the toughness and rigidity of ABS, and has good impact strength, heat warpage resistance, excellent fluidity and surface gloss , Has been applied in electrical and electronic, automobile, furniture, sporting goods and other fields. However, the existing polycaprolactam (PA6) and acrylonitrile-butadiene-styre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L53/02C08K5/521B29C47/40B29C47/92B29B9/12C08K5/29C08K3/00B29C48/40B29C48/92B29C48/95
CPCB29C47/92B29C48/92B29C2948/92704B29C48/04B29C48/40B29C48/9185B29C2948/92514B29C2948/92561B29C2948/92895B29C48/95
Inventor 徐东贺永迟宏宇
Owner SHENZHEN KEJU NEW MATERIAL
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