Low-filler antistatic and highly-tough ABS plastic and preparation method thereof

A technology of ABS plastic and filler content, which is applied in the field of antistatic high-toughness ABS plastic and its preparation, can solve the problems of complex process, high filler dosage, ABS toughness influence, etc., and achieves the effects of easy industrialization, simple preparation method, and improved toughness.

Active Publication Date: 2019-04-19
ANHUI JIHONG MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the addition of 15wt% zinc oxide whiskers in this method will have a significant impact on the toughness of ABS
[0005] In the above preparation methods, thro

Method used

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  • Low-filler antistatic and highly-tough ABS plastic and preparation method thereof
  • Low-filler antistatic and highly-tough ABS plastic and preparation method thereof

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0025] Example one

[0026] Step 1, swelling treatment: swell 10 parts by weight of natural rubber particles in toluene, the swelling time is 60 minutes, and the mass ratio of natural rubber particles to toluene is 1:10;

[0027] Preparation of carbon black suspension: select dimethyl formamide (DMF) and deionized water as the dispersion system of carbon black, the mass ratio of dimethyl formamide (DMF) to water is 1:1, and the concentration of carbon black is 5 mg / mL.

[0028] Step 2. Penetration treatment: The natural rubber particles that have been swelled in step 1 are added to the carbon black suspension, so that the carbon black penetrates into the natural rubber particles, the penetration time is 3 hours, and then the natural rubber is washed with deionized water The granules are dried to constant weight to obtain natural rubber granules impregnated with carbon black. The carbon black has a particle size of 20 nm.

[0029] Step 3. Blending: Blend the natural rubber particles...

Example Embodiment

[0031] Example two

[0032] Step 1. Swelling treatment: placing 20 parts by weight of natural rubber particles in toluene for swelling, the swelling time is 60 minutes, and the mass ratio of natural rubber particles to toluene is 1:10;

[0033] Preparation of carbon black suspension: select dimethyl formamide (DMF) and deionized water as the dispersion system of carbon black, the mass ratio of dimethyl formamide (DMF) to water is 1:1, and the concentration of carbon black is 5 mg / mL.

[0034] Step 2. Penetration treatment: The natural rubber particles that have been swelled in step 1 are added to the carbon black suspension, so that the carbon black penetrates into the natural rubber particles, the penetration time is 3 hours, and then the natural rubber is washed with deionized water The granules are dried to constant weight to obtain natural rubber granules impregnated with carbon black. The carbon black has a particle size of 40 nm.

[0035] Step 3. Blending: blend the natural r...

Example Embodiment

[0037] Example three

[0038] Step 1. Swelling treatment: placing 30 parts by weight of natural rubber particles in toluene for swelling, the swelling time is 60 minutes, and the mass ratio of natural rubber particles to toluene is 1:10;

[0039] Preparation of carbon black suspension: select dimethyl formamide (DMF) and deionized water as the dispersion system of carbon black, the mass ratio of dimethyl formamide (DMF) to water is 1:1, and the concentration of carbon black is 5 mg / mL. The particle size of the carbon black is 30 nm.

[0040] Step 2. Penetration treatment: The natural rubber particles that have been swelled in step 1 are added to the carbon black suspension, so that the carbon black penetrates into the natural rubber particles, the penetration time is 3 hours, and then the natural rubber is washed with deionized water The granules are dried to constant weight to obtain natural rubber granules impregnated with carbon black.

[0041] Step 3. Blending: Blend the natura...

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Abstract

The invention relates to a low-filler antistatic and highly-tough ABS plastic and a preparation method thereof. The preparation method comprises the following steps: swelling natural rubber particlesin toluene; adding the swelled natural rubber particles to a carbon black suspension formed by dimethylformamide and deionized water to make the carbon black penetrate into the natural rubber particles, washing the natural rubber particles with deionized water, and drying the washed natural rubber components to a constant weight; blending 100 parts by weight of ordinary ABS plastic, 5-10 parts byweight of an ethylene-acrylic acid copolymer, 10-30 parts by weight of natural rubber penetrated with the carbon black particles, 0.1-3 parts by weight of a coupling agent and 0.1-0.4 part by weight of an antioxidant; and extruding the obtained mixture at 160-210 DEG C, and cooling the extruded mixture to obtain low-filler antistatic and highly-tough ABS plastic particles. The ABS plastic preparedin the invention has the advantages of low filler content, good antistatic property, easiness in processing, and good mechanical properties.

Description

technical field [0001] The invention belongs to the field of ABS plastics, and in particular relates to an antistatic high-toughness ABS plastic with low filler content and a preparation method thereof. Background technique [0002] ABS plastic is a kind of general-purpose plastic, which has a wide range of applications in the field of electrical appliances, and is often used in electrical casings, etc. When applied in this field, ABS is required to have good toughness, impact resistance and antistatic properties. However, ABS is a brittle and insulating plastic material. The way to improve the toughness and antistatic properties of ABS is to add rubber particles and conductive particles. The addition of conductive particles will degrade the processability and mechanical properties of the material. How to comprehensively realize the toughness and antistatic properties of ABS is an urgent problem to be solved. [0003] Chinese invention patent CN104693335B discloses a meth...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L7/00C08L23/08C08K3/04
CPCC08K2201/001C08K2201/003C08L55/02C08L2201/04C08L2205/03C08L7/00C08L23/0869C08K3/04
Inventor 陈海袁婷倪晋国
Owner ANHUI JIHONG MATERIAL TECH
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