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High-temperature-resistant electroplating-grade ABS resin and preparation method thereof

An ABS resin and electroplating-grade technology, which is applied in the field of high-temperature-resistant electroplating-grade ABS resin and its preparation, can solve the problems of poor electroplating adhesion and inability to meet heat-resistant electroplating ABS, and achieve excellent electroplating adhesion and excellent heat resistance performance, and the effect of improving thermal stability

Pending Publication Date: 2020-11-03
SHANGHAI KUMHO SUNNY PLASTICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the resin prepared by this method is affected by the rubber particle size and distribution, rubber content, and heat-resistant agent, and the electroplating adhesion is not good, so it cannot meet the requirements of heat-resistant electroplated ABS.

Method used

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  • High-temperature-resistant electroplating-grade ABS resin and preparation method thereof
  • High-temperature-resistant electroplating-grade ABS resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] A preparation method of high temperature resistant electroplating grade ABS resin, comprising the following steps:

[0061] (1) By weight, 30 parts of ABS high rubber powder, 10 parts of styrene-maleic anhydride (SMA) heat resistant agent, 7 parts of kaolin, 0.7 part of silane coupling agent (methyl dodecyl dimethoxy base silane), 0.5 part of antioxidant (thiophenol) and 0.5 part of lubricant (erucamide) are mixed in a high-speed mixer to obtain a first-grade crude product; wherein, the speed of the high-speed mixer is 800r / min, and the mixing time 10min;

[0062] (2) By weight, 10 parts of ABS resins, 43 parts of hyperbranched styrene-acrylonitrile copolymers and the primary crude product are mixed in a high-speed mixer to obtain a secondary crude product; wherein, the high-speed mixer speed 800r / min, the mixing time is 10min;

[0063] (3) Put the secondary crude product into a twin-screw extruder, melt, extrude, cool, dry, and then pelletize in a pelletizer to obtai...

Embodiment 2

[0065] A preparation method of high temperature resistant electroplating grade ABS resin, comprising the following steps:

[0066] (1) By weight, 25 parts of ABS high rubber powder, 15 parts of heat-resistant agent styrene-maleic anhydride (SMA), 3 parts of kaolin, 0.7 part of new polymer coupling agent (MMCA), 0.5 part of anti- Oxygen agent (2,6-di-tert-butyl p-cresol) and 0.5 parts of lubricant (stearic acid complex ester) are mixed in high-speed mixer to obtain first-grade crude product; Wherein, high-speed mixer rotating speed is 800r / min, the mixing time is 10min;

[0067] (2) By weight, 15 parts of ABS resins, 42 parts of highly branched styrene-acrylonitrile copolymers and the primary crude product are mixed in a high-speed mixer to obtain a secondary crude product; wherein, the speed of the high-speed mixer is 800r / min, the mixing time is 10min;

[0068] (3) Put the secondary crude product into a twin-screw extruder, melt, extrude, cool, dry, and then pelletize in a...

Embodiment 3

[0070] A preparation method of high temperature resistant electroplating grade ABS resin, comprising the following steps:

[0071] (1) By weight, 35 parts of ABS high rubber powder, 12 parts of heat-resistant agent styrene-maleic anhydride (SMA), 0.1 part of kaolin, 0.3 part of new polymer coupling agent (MMCA), 0.1 part of anti- Oxygen agent (2,6-di-tert-butyl p-cresol) and 0.1 part of lubricant (stearic acid complex ester) are mixed in high-speed mixer to obtain first-grade crude product; Wherein, high-speed mixer rotating speed is 800r / min, the mixing time is 10min;

[0072] (2) By weight, 13 parts of ABS resins, 40 parts of highly branched styrene-acrylonitrile copolymers and the primary crude product are mixed in a high-speed mixer to obtain a secondary crude product; wherein, the high-speed mixer speed 800r / min, the mixing time is 10min;

[0073] (3) The same as step (3) method of embodiment 1.

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Abstract

The invention relates to high-temperature-resistant electroplating-grade ABS resin and a preparation method thereof. The high-temperature-resistant electroplating-grade ABS resin is prepared from thefollowing components in parts by weight: 10-20 parts of ABS resin, 25-35 parts of ABS high rubber powder, 40-55 parts of highly branched styrene-acrylonitrile copolymer, 10-15 parts of heat-resistantagent, 0.1-10 part of kaolin and 0.5-2 parts of other auxiliary agents. Compared with the prior art, the high-temperature-resistant electroplating-grade ABS resin is obtained by controlling the content of the ABS rubber, compounding the rubber with large and small particle sizes and introducing the kaolin filler. The high-temperature-resistant electroplating-grade ABS resin prepared by the methodhas excellent high-temperature resistance and electroplating binding force, and the failure probability of an electroplated part in a cold and hot alternating experiment is reduced, so that the use requirements of electroplating-grade ABS in the fields of automobiles, household appliances and machinery are met.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a high-temperature-resistant electroplating-grade ABS resin and a preparation method thereof. Background technique [0002] Luxurious and beautiful is everyone's pursuit of the appearance of automobiles, home appliances and other products, while plastic electroplating parts give plastic a metallic appearance, making it more widely used. However, due to the difference in the linear expansion coefficient of the plastic and metal coatings by an order of magnitude, plastic electroplating parts are prone to problems such as coating bubbles, cracking of parts, and warpage and denaturation of parts after ambient temperature changes. High and low temperature resistance (-40°C ~ 100°C) chemical test is the most common method in the market to evaluate the coating adhesion of electroplated parts, and the test shows that high temperature has the greatest impact on the coating adhes...

Claims

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Application Information

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IPC IPC(8): C08L25/12C08L55/02C08L35/06C08K3/34C08L33/20
CPCC08L25/12C08L33/20C08L2205/025C08L2205/035C08L2201/08C08K2201/005C08K2201/011C08L55/02C08L35/06C08K3/346
Inventor 宋芸佳史晓莹周中玉周霆辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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