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Anti-stress whitening high-flowability ABS (acrylonitrile butadiene styrene) composition as well as preparation method and application thereof

An anti-stress whitening and composition technology, applied in the field of modified plastics, can solve the problems of poor fluidity and low gloss, and achieve the effects of improving gloss, improving melt flow rate and excellent fluidity

Active Publication Date: 2022-03-29
TIANJIN KINGFA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a high-fluidity ABS composition that resists stress whitening in order to overcome the defects of no resistance to stress whitening, poor fluidity, and low gloss described in the prior art

Method used

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  • Anti-stress whitening high-flowability ABS (acrylonitrile butadiene styrene) composition as well as preparation method and application thereof
  • Anti-stress whitening high-flowability ABS (acrylonitrile butadiene styrene) composition as well as preparation method and application thereof
  • Anti-stress whitening high-flowability ABS (acrylonitrile butadiene styrene) composition as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～18

[0051] Examples 1 to 18 respectively provide an ABS composition. The component content is shown in Table 1. The preparation method is as follows:

[0052] S1. Mix stearate with part of ABS resin, add it to the main feed port of twin-screw extruder, add vegetable oil to the third screw barrel of twin-screw extruder through altitude pump, melt and mix, extrude and granulate, and the extrusion temperature is 180 ~ 200 ℃, so as to obtain rheological additives;

[0053] The mass ratio of stearate to ABS resin is 1:100;

[0054] S2. Add the remaining ABS resin, thermoplastic elastomer, toughening agent, other additives and step S1 After mixing, the prepared rheological additives are added to the twin-screw extruder for melt mixing, extrusion and granulation. The processing temperature of the twin-screw extruder is 80 ~ 100 ℃ in the first zone, 150 ~ 170 ℃ in the second zone, 180 ~ 200 ℃ in the third zone, 180 ~ 200 ℃ in the fourth zone, 180 ~ 190 ℃ in the fifth zone, 180 ~ 190 ℃ in the ...

Embodiment 1

[0058] Example 19 provides an ABS composition with the same component content as example 1. The preparation method is different from example 1 in that:

[0059] In step S1, the mass ratio of magnesium stearate to ABS resin is 2:100.

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Abstract

The invention discloses a stress-whitening-resistant high-flowability ABS (acrylonitrile-butadiene-styrene) composition as well as a preparation method and application thereof. The ABS composition is prepared from the following components in parts by weight: 50 to 85 parts of ABS resin, 10 to 20 parts of thermoplastic elastomer, 10 to 20 parts of toughening agent, 0.1 to 0.3 part of stearate, 0.5 to 3 parts of vegetable oil and 0.5 to 1.5 parts of other auxiliary agents, the smoke point of the vegetable oil is greater than or equal to 210 DEG C. By adding the thermoplastic elastomer and the flexibilizer, the ABS composition has a soft property and excellent stress whitening resistance; under the synergistic effect of stearate and vegetable oil, the melt flow rate of the material is effectively improved, so that the ABS composition disclosed by the invention has excellent flowability and injection molding processability; and moreover, the glossiness of the material is improved, and glossiness deterioration caused by introduction of a thermoplastic elastomer is eliminated.

Description

technical field [0001] The invention relates to the technical field of modified plastics, in particular to an ABS composition with stress whitening resistance and high flow, and a preparation method and application thereof. Background technology [0002] Acrylonitrile butadiene styrene copolymer (ABS resin) has the advantages of high rigidity and high impact strength. It is widely used in home appliances, lighting equipment, office equipment, automobile parts and other fields. ABS resin has the characteristics of high rigidity, low stress deformation, not resistant to bending, and easy to turn white. [0003] For beauty materials, such as nail materials, it is necessary to have soft characteristics, that is, nail materials inevitably contact with external objects and produce stress in the process of use. The soft characteristics can make nail materials easy to bend under stress, so as not to cause unpleasant use experience to the wearer. At the same time, nail enhancement materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L53/02C08L75/04C08L51/04C08L91/00C08K5/098
CPCC08L55/02C08L53/025C08L75/04C08L51/04C08L91/00C08K5/098
Inventor 孙超正陈平绪叶南飚宋晓辉肖华明付锦锋杨霄云
Owner TIANJIN KINGFA NEW MATERIAL
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