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Cold-resistant polycarbonate/acrylonitrile-phenethylene-butadiene alloy and preparation method thereof

A polycarbonate and acrylonitrile technology, applied in the field of alloys, can solve problems such as performance to be improved, and achieve the effects of low cost, good fluidity and simple preparation method

Inactive Publication Date: 2013-10-16
SHENZHEN XINGSHENGDI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most PC / ABS alloys still need to be improved when they are applied to joint boxes at low temperatures.

Method used

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  • Cold-resistant polycarbonate/acrylonitrile-phenethylene-butadiene alloy and preparation method thereof
  • Cold-resistant polycarbonate/acrylonitrile-phenethylene-butadiene alloy and preparation method thereof
  • Cold-resistant polycarbonate/acrylonitrile-phenethylene-butadiene alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Cold-resistant polycarbonate / acrylonitrile-styrene-butadiene alloy, its composition in parts by weight is as follows:

[0025]

[0026]

[0027] The preparation process is as follows:

[0028] Mix the above components uniformly with a mixer, then extrude and granulate with a twin-screw extruder, and the rotational speed of the extruder is 400r / min.

[0029] The temperature of each zone in the extruder is as follows: the temperature of the first zone is 240°C, the temperature of the second zone is 245°C, the temperature of the third zone is 245°C, the temperature of the fourth zone is 245°C, and the temperature of the fifth zone is 240°C.

[0030] The properties of the obtained PC / ABS under normal and low temperature conditions are shown in the following table respectively:

[0031] 1) Under normal temperature conditions:

[0032]

[0033] 2) After placing it at -40°C for 48 hours, test its performance as follows:

[0034]

Embodiment 2

[0036] Cold-resistant polycarbonate / acrylonitrile-styrene-butadiene alloy, its composition in parts by weight is as follows:

[0037]

[0038] The preparation process is the same as in Example 1.

[0039] The properties of the obtained PC / ABS under normal and low temperature conditions are shown in the following table respectively:

[0040] 1) Under normal temperature conditions:

[0041]

[0042]

[0043] 2) After placing it at -40°C for 48 hours, test its performance as follows:

[0044]

Embodiment 3

[0046] Cold-resistant polycarbonate / acrylonitrile-styrene-butadiene alloy, its composition in parts by weight is as follows:

[0047]

[0048] The preparation process is the same as in Example 1.

[0049] The properties of the obtained PC / ABS under normal and low temperature conditions are shown in the following table respectively:

[0050] 1) Under normal temperature conditions:

[0051]

[0052] 2) After placing it at -40°C for 48 hours, test its performance as follows

[0053]

[0054]

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PUM

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Abstract

The invention belongs to the technical field of alloys and particularly relates to a cold-resistant polycarbonate / acrylonitrile-phenethylene-butadiene alloy and a preparation method thereof. The alloy comprises the following components in parts by weight: 70-80 parts of polycarbonate, 8-12 parts of acrylonitrile-phenethylene-butadiene, 1-20 parts of a low-temperature flexibilizer, 0.1-5 parts of antioxygen and 1-10 parts of a stress cracking inhibitor. The alloy provided by the invention has excellent cold resistance, can be used widely under outdoor low-temperature conditions to replace structural metal parts of a connector box, is convenient to use and greatly reduces the cost of the connector box. The preparation method is simple, and both the cost and the equipment requirement are low.

Description

technical field [0001] The invention belongs to the technical field of alloys, in particular to a polycarbonate / acrylonitrile-styrene-butadiene alloy and a preparation method thereof. Background technique [0002] Among polymer materials, polycarbonate / acrylonitrile-styrene-butadiene copolymer (PC / ABS) alloy is an engineering plastic with better comprehensive performance, which has the advantages of both PC and ABS, and has excellent mechanical properties. Performance and thermal properties, and has good formability, good resistance to stress cracking, suitable for forming large thin-walled parts. Therefore, PC / ABS alloys are widely used in the automotive industry, household appliances, communication equipment such as mobile phones, office equipment such as computers and printers, and the like. [0003] In the optical communication network, due to the limited length of the optical cable and the branching of the optical cable on the transmission line, the optical cable joint...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L55/02C08L23/08C08L33/12C08L51/06B29C47/92B29C48/92
CPCB29C48/04B29C48/022
Inventor 许第修段海斌
Owner SHENZHEN XINGSHENGDI NEW MATERIALS
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