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A kind of anti-stress whitening ABS composite material and its preparation method and application

A composite material and stress-resistant technology, applied in the field of ABS materials, can solve problems affecting product performance and quality, stress whitening, etc., achieve excellent stress whitening resistance, and improve the effect of stress whitening resistance

Active Publication Date: 2017-04-05
TIANJIN KINGFA NEW MATERIAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although ABS has become one of the most widely used polymer materials due to its excellent performance, it is easily affected by external forces such as stretching, bending, and impact during molding and use, such as in the demoulding process of some special structures Affected by stretching and bending external forces, stress whitening occurs, which will affect the performance and quality of the product in severe cases
[0004] Existing patents on stress whitening are limited to PP materials and other materials that are prone to stress whitening, and have not covered materials such as ABS that have stress whitening under special circumstances.

Method used

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  • A kind of anti-stress whitening ABS composite material and its preparation method and application
  • A kind of anti-stress whitening ABS composite material and its preparation method and application
  • A kind of anti-stress whitening ABS composite material and its preparation method and application

Examples

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Effect test

Embodiment 1

[0032] Example 1: Preparation of a stress-whitening resistant ABS composite material

[0033] 90wt% ABS121H, 9wt% modifier, the modifier is a mixture of styrene toughener and ABS high rubber powder with a mass ratio of 1:1, wherein the styrene toughener is selected from LG Chem, the specific model is SBS LG501S (LG-BOTIAN), the ABS high rubber powder is from Kumho, South Korea, the specific model is HR181, 0.3wt% antioxidant 1010, 0.2wt% antioxidant 168 and 0.5wt% % processing aid (EBS) is added to the high-speed mixer and mixed evenly, fed into the extruder through the feeder, mixed, melted and extruded, drawn, cooled, and pelletized to obtain the stress-whitening resistant ABS composite material .

[0034] The processing conditions for melt extrusion of the extruder are as follows: the temperature of the first zone is 150-200°C, the temperature of the second zone is 190-240°C, the temperature of the third zone is 190-240°C, the temperature of the fourth zone is 190-240°C, a...

Embodiment 2

[0035] Example 2: Preparation of a stress-whitening resistant ABS composite material

[0036] 80wt% ABS121H, 19wt% modifier, the modifier is a mixture of styrene toughener and chlorinated polyethylene toughener in a mass ratio of 2:1, wherein the styrene toughener The agent is selected from LG Chemical, the specific model is SBSLG501S (LG-BOTIAN), the chlorinated polyethylene is selected from Shandong Yaxing, and the specific model is CPE7130, 0.2wt% antioxidant 1010, 0.2wt% antioxidant 168 and 0.6 Wt% processing aid (EBS) is added to the high-speed mixer and mixed evenly, fed into the extruder through the feeder, mixed, melted and extruded, drawn, cooled, and pelletized to obtain stress-whitening resistant ABS compound Material.

[0037] The processing conditions for melt extrusion of the extruder are as follows: the temperature of the first zone is 150-200°C, the temperature of the second zone is 190-240°C, the temperature of the third zone is 190-240°C, the temperature of ...

Embodiment 3

[0038] Embodiment 3: Preparation of a kind of anti-stress whitening ABS composite material

[0039] 75wt% ABS121H, 24wt% modifier, the modifier is a mixture of styrene toughener, ABS high rubber powder, and chlorinated polyethylene toughener in a mass ratio of 1:1:1, Among them, the styrene toughening agent is selected from Sinopec, the specific model is QIM-03, the ABS high rubber powder is selected from Korea Kumho, the specific model is HR181, and the chlorinated polyethylene is selected from Shandong Yaxing, the specific model is CPE5236, The antioxidant 1010 of 0.2wt%, the processing aid (white mineral oil) of the antioxidant 168 of 0.3wt% and 0.5wt% add in the high-speed mixer and mix uniformly, feed in the extruder through the feeder, mix Refining, melt extrusion, drawing, cooling and pelletizing to obtain stress-whitening-resistant ABS composite materials.

[0040] The processing conditions for melt extrusion of the extruder are as follows: the temperature of the firs...

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Abstract

The invention belongs to the technical field of ABS materials, and discloses a stress-whitening-resistant ABS composite material, a preparation method and application thereof. The composite material comprises the following components in mass percentage: 45-99% of ABS resin; 0.5-50% of modifier; 0.3-1% of antioxidant; and 0.1-5% of processing aid. In the present invention, by adding modifiers and using the "sea-island structure" formed by them, it is helpful for the composite material to induce microcracks and absorb impact energy, and to prepare ABS resin that not only retains the good mechanical properties of ABS resin itself but also has excellent stress whitening resistance. ABS composite material. Since the stress-whitening-resistant ABS composite material of the invention does not need to add color-fixing additives, it can prepare products with various color requirements and is widely applicable to various fields.

Description

technical field [0001] The invention belongs to the technical field of ABS materials, and in particular relates to a stress-whitening-resistant ABS composite material and a preparation method and application thereof. Background technique [0002] ABS plastic is a kind of engineering plastic with excellent performance. It is a terpolymer of polyacrylonitrile (A), butadiene (B) and styrene (S). It is a thermoplastic engineering plastic developed in the 1940s. The introduction of acrylonitrile in the ABS structure retains its rigidity and heat resistance, the introduction of butadiene improves its flexibility and impact resistance, and the introduction of styrene optimizes its gloss and processing fluidity. Due to its excellent electrical properties, chemical stability and impact resistance, it is widely used in household appliances, office equipment, instruments, transportation, building materials, daily appliances and packaging materials and other fields. In the production a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L25/04C08L23/28
Inventor 王扬利陈国雄陶四平叶丹滢李晟肖华明李聪
Owner TIANJIN KINGFA NEW MATERIAL
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