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High-toughness low-floating-fiber ABS resin composition and preparation method and application thereof

A technology of ABS resin and composition, which is applied in the field of polymer material modification, can solve problems such as poor toughness, and achieve the effect of low floating fiber and high toughness

Active Publication Date: 2021-04-30
KINGFA SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a kind of ABS resin composition with high toughness and low floating fiber in order to overcome the defects of the ABS resin containing glass fibers in the above-mentioned prior art, such as poor toughness and floating fibers on the surface. The ABS resin composition has good toughness and Excellent appearance

Method used

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  • High-toughness low-floating-fiber ABS resin composition and preparation method and application thereof
  • High-toughness low-floating-fiber ABS resin composition and preparation method and application thereof
  • High-toughness low-floating-fiber ABS resin composition and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1～18

[0048] The contents of each component in the ABS resin compositions of Examples 1-18 are shown in Table 1.

[0049] Its preparation method is: according to Table 1, mix each component except glass fiber evenly and then add it to the main feeding port of the twin-screw extruder, add the glass fiber to the side feeding port of the twin-screw extruder, melt and co- Mixing, extruding and granulating to obtain the ABS resin composition.

[0050] Among them, the screw length-to-diameter ratio of the twin-screw extruder is 36-48:1, the speed of the twin-screw extruder is 200-350rpm, and the screw temperature from the feeding port to the machine head is 220-250°C in the first zone and 220 in the second zone. ~240℃, 3rd zone 210~220℃, 4th zone 210~230℃, 5th zone 210~230℃; die temperature 220~230℃, host speed 100~500r / min, vacuum ≤0.1MPa.

[0051] The component content (parts by weight) of the ABS resin composition of table 1 embodiment 1~18

[0052]

[0053]

[0054]

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Abstract

The invention discloses a high-toughness low-floating-fiber ABS resin composition. The ABS resin composition is characterized by comprising the following components: an acrylonitrile-butadiene-styrene copolymer, poly(butylene adipate-co-terephthalate), glass fibers, a compatilizer, a coupling agent, a lubricant and a processing aid, wherein the intrinsic viscosity of poly(butylene adipate-co-terephthalate) resin is 2.0 to 2.8 dl / g. According to the invention, a specific type of PBAT is added into an ABS resin matrix and cooperates with the compatilizer, the lubricant and the coupling agent, so the ABS resin composition with high toughness and low floating fiber content is obtained under the condition that the ABS resin composition contains the glass fibers. Under the condition that 30 wt% of the glass fibers is added, no obvious floating fiber exists on the surface of the ABS resin composition, and notch impact strength can reach 15KJ / m<2>.

Description

technical field [0001] The invention relates to the field of modification of polymer materials, and more specifically, to an ABS resin composition with high toughness and low floating fibers, a preparation method and application thereof. Background technique [0002] Acrylonitrile-butadiene-styrene copolymer (ABS) is a thermoplastic polymer material with high strength, good toughness and easy processing and molding. It can be widely used in mechanical electronics and automotive interior and exterior trim or structural parts, household appliances, Toys and other daily necessities. In order to obtain better material strength and dimensional stability, it is usually necessary to modify ABS with glass fiber reinforcement, so that it is suitable for products that require higher strength and dimensional stability, such as housings or brackets for home appliances. [0003] But the addition of glass fiber can greatly reduce some performances of ABS: (1) toughness reduces significan...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L67/02C08K7/14C08L35/06C08K5/20C08J5/10C08K5/544C08L25/08C08K5/10
CPCC08J5/043C08J5/10C08J2355/02C08J2467/02C08J2455/02C08J2367/02C08J2425/08C08J2435/06C08K7/14C08K5/20C08K5/544C08K5/10
Inventor 李玉虎黄险波叶南飚付锦锋黄宝奎官焕祥唐磊何超雄陈日平林士文
Owner KINGFA SCI & TECH CO LTD
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