Reinforced and toughened waste recycled ABS coordination crosslinking material and preparation method thereof

A coordination cross-linking, strengthening and toughening technology, which is applied in the field of strengthening and toughening waste recycled ABS coordination cross-linked materials and its preparation, can solve the problem of decreased tensile and bending properties of waste recycled ABS materials, and unfavorable waste recycled ABS recycling. Utilize, cantilever beam notched impact strength reduction and other problems to achieve the effect of promoting application fields, good development prospects and potential, and improving coordination enhancement effect

Pending Publication Date: 2021-02-23
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the tensile and bending properties of waste recycled ABS materials decrease, the notched impact strength of the cantilever beam decreases, and the waste ABS plastics cause a certain degree of damage to the environment. The existing modification methods are not conducive to the waste and old recycled ABS. recycling

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] This implementation provides a method for strengthening and toughening waste recycled ABS coordination cross-linked materials, including the following steps: Accurately weigh various materials according to the following mass ratio: 100 parts of waste recycled ABS particles, 10 parts of anhydrous zinc chloride, 10 parts of high rubber powder with a glue content of 65%.

[0030] Put the waste recycled ABS particles and high-grade rubber powder in a vacuum oven at 80°C for 12 hours to dry, then put the dried waste recycled ABS particles, high-grade rubber powder with a glue content of 65% and 200 ml of acetone in a ball mill tank, After ball milling for 6 hours, anhydrous zinc chloride was added, and ball milling was continued for 6 hours; the emulsion after ball milling was dried and banburyed in a torque rheometer at 190°C for 5 minutes with a rotor speed of 60 r / min. Then the mixture was hot-pressed for 25 minutes on an electric heating plate vulcanizer at a pressure of...

Embodiment 2

[0035] This implementation provides a method for strengthening and toughening waste recycled ABS coordination cross-linked materials, including the following steps: Accurately weigh various materials according to the following mass ratio: 100 parts of waste recycled ABS particles, 15 parts of anhydrous zinc chloride, 20 parts of nitrile rubber with 50% acrylonitrile content.

[0036] The waste recycled ABS particles and nitrile rubber with 50% acrylonitrile content were dried in a vacuum oven at 80°C for 12 hours, and the dried recycled ABS particles, nitrile rubber with 50% acrylonitrile content and 300 ml acetone were placed in In the ball mill tank, after ball milling for 6 hours, anhydrous zinc chloride was added, and ball milling was continued for 6 hours; the emulsion after ball milling was dried and banburyed in a torque rheometer at 190°C for 5 min, and the rotor speed was 60 r / min. Then the mixture was hot-pressed for 25 minutes on an electric heating plate vulcanize...

Embodiment 3

[0041] This implementation provides a method for strengthening and toughening waste recycled ABS coordination cross-linked materials, including the following steps: Accurately weigh various materials according to the following mass ratio: 100 parts of waste recycled ABS particles, 10 parts of anhydrous copper sulfate, containing 15 parts of high-glue powder with a glue content of 65%.

[0042] The waste recycled ABS particles and high-grade rubber powder glue were dried in a vacuum oven at 80°C for 12 hours, and the dried recycled ABS particles, high-grade rubber powder with a glue content of 65% and 250 ml of acetone were placed in a ball mill tank, and ball milled After 6 hours, anhydrous copper sulfate was added, and ball milling was continued for 6 hours; the ball-milled emulsion was dried and banburyed in a torque rheometer at 190 °C for 5 min, with a rotor speed of 60 r / min. Then the mixture was hot-pressed for 25 minutes on an electric heating plate vulcanizer at a pres...

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Abstract

The invention discloses a reinforced and toughened waste recycled ABS coordination crosslinking material and a preparation method thereof, and belongs to the technical field of waste recycled ABS material modification. The ABS material is mainly prepared from the following components in parts by weight: 100 parts of waste recycled ABS resin, 1-20 parts of transition metal salt and 1-15 parts of atoughening agent. The waste recycled ABS coordination crosslinking material prepared by the invention has good mechanical properties and toughness, the tensile strength, bending strength, modulus andimpact strength of waste recycled ABS plastic are obviously improved, and the processability of the material is improved. Reinforcing and toughening are organically unified, a new thought and method are provided for preparing composite materials with balanced performance, the utilization rate of waste recycled ABS plastic can be effectively increased, and good industrial prospects and developmentpotentials are achieved.

Description

technical field [0001] The invention belongs to the technical field of modification of waste recycled materials, and in particular relates to a reinforced and toughened waste recycled ABS coordination cross-linked material and a preparation method thereof. Background technique [0002] ABS is a terpolymer of acrylonitrile-styrene-butadiene, which has excellent mechanical properties, heat resistance, high impact resistance, easy coloring and corrosion resistance. , Toughness, rigidity "thermoplastic engineering plastics. With the rapid development of urban industrialization and the increasing shortage of oil resources, as well as the rising price of raw materials, ABS plastic recycling is an important way to alleviate the pressure on environmental resources. However, the physical and chemical effects of heat, light, and oxygen during the use of ABS products and the mechanical and thermal cycles in the recycling process will cause damage to its molecular structure, resulting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K3/16C08L9/02C08K3/30C08L33/04C08K5/098
CPCC08K2003/168C08K2003/3045C08L55/02C08L2205/025C08L2207/20C08K3/16C08L9/02C08K3/30C08L33/04C08K5/098
Inventor 吴驰飞王应青刘小枚
Owner EAST CHINA UNIV OF SCI & TECH
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