A kind of low internal stress heat-resistant ABS resin and preparation method thereof

An ABS resin and internal stress technology, which is applied in the field of low internal stress heat-resistant ABS resin and its preparation, can solve the problems of decreased fluidity, decreased fluidity, poor electroplating, etc., and achieve reduced viscosity, improved fluidity, and toughening efficiency Improved effect

CN105385058BActive Publication Date: 2018-05-29SHANGHAI KUMHO SUNNY PLASTICS
9 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-05-29

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides low-internal-stress heat-resistant ABS resin and a preparation method and application thereof and belongs to the technical field of modified resin. The low-internal-stress heat-resistant ABS resin is prepared from, by weight, 20-40 parts of ABS rubber powder, 2-10 parts of low-molecular-weight SAN resin, 42-77 parts of high-acrylonitrile-content SAN resin, 1-8 parts of a heat resistant agent, 0.1-1 part of an antioxidant, 0.1-1 part of a lubricant and 0.1-1 part of a weather resistance agent according to a formula. Compared with the prior art, the prepared low-internal-stress heat-resistant ABS resin greatly improves the liquidity of a material on the basis that heat resistance and impact are guaranteed, can obviously reduces the internal gravity in the injection molding process and can be applied to interior decorative parts and exterior decorative painted parts of automobiles.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a modified resin, in particular to a heat-resistant ABS resin with low internal stress and a preparation method thereof. Background technique

[0002] Acrylonitrile-butadiene-styrene terpolymer (ABS) is a common general-purpose resin. ABS has excellent characteristics such as high toughness, easy processing, and easy coloring. Its comprehensive performance is good, and it is widely used in automobiles, electronics, military, machinery and other industries. With the development of modern technology, the demand for ABS is also growing rapidly, especially in the automotive industry. With the increase in car sales, the amount of ABS is also increasing.

[0003] ABS for automobiles is generally used for plastic parts for interior and exterior decoration of automobiles. The interior decoration has high requirements on the heat resistance of materials. According to the material standards of various OEMs, the Vicat softening point is ...

Examples

Embodiment 1

[0039] Weighing (components by weight, the same below)

[0040]

[0041] Put the above raw materials into a high-speed mixer and stir for 5-30 minutes, then discharge to obtain a mixture;

[0042] The mixture is extruded and granulated through a twin-screw extruder, wherein the temperature of the twin-screw extruder is 180-260° C., and the screw speed is 180-600 rpm. The product is obtained by conveying, melting, shearing, extrusion, cooling and granulation.

Embodiment 2

[0044] Weighing (components by weight, the same below)

[0045]

[0046]

[0047] The product is obtained by the method of Example 1.

Embodiment 3

[0049] Weighing (components by weight, the same below)

[0050]

[0051] The product is obtained by the method of Example 1.