ABS composite material, application and preparation method thereof

A composite material and ABS plastic technology, applied in the field of ABS composite materials, can solve the problems of ABS material warpage, molding process limitation, difficult 3D printing, etc., and achieve the effect of solving poor thermal performance, improving thermal performance, and improving bending resistance.

Active Publication Date: 2020-05-12
宁波坚锋新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Now polymer materials such as PLA and PA can be directly used as 3D printing consumables, while ABS materials have problems such as warping due to shrinkage, which limits their application in 3D printing.
[0006] Patent publication CN107325473A discloses a high wear resistance composite material, which uses 38-56% ABS resin, 26-34% poly-p-phenylene terephthalamide, 8-14% epoxy resin, 42-58 % glass fiber, 6-12% filler, 1-3% coupling agent, 3-9% wear-resistant agent, 0.5-2% antioxidant, prepared a high wear resistance, At the same time, it is a material with good mechanical properties. According to the embodiment, the friction coefficient of the ABS composite material is between 0.18 and 0.26, and the tensile strength is between 78.4 and 98.1MPa. Its high tensile strength comes from glass Fiber reinforcement, but because the filling amount of the material is as high as 51-79%, the plasticity of the material will become very poor, and the molding process will inevitably be limited, making it difficult

Method used

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  • ABS composite material, application and preparation method thereof
  • ABS composite material, application and preparation method thereof
  • ABS composite material, application and preparation method thereof

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Effect test

Embodiment 1

[0046] The preparation of ABS composite material in the present embodiment is as follows,

[0047] (1) Preparation of raw materials: Coarsely crush waste phenolic plastic products (bakelite waste, scraps, waste products, etc.) to obtain fragments with a diameter range of 8 to 12 mm; Sieve to obtain regenerated phenolic acid plastic powder with a particle size range of 50-70 μm; the recovered waste ABS plastic parts are processed into recycled plastic particles through crushing, sorting, deplating, cleaning, drying, granulation, etc., measured Its melt index (MFI) is 18g / 10min, and its notched impact strength is 17kg·cm / cm; silicon carbide with a particle size range of 5-30 μm and alumina with a particle size range of 2-10 μm are prepared.

[0048] (2) By weight percentage, 79.3% recycled ABS plastic particles, 0.3% epoxy chain extender, 10% recycled phenolic plastic powder, 5% silicon carbide, 5% aluminum oxide, 0.1% γ-(2,3 -Glycidoxy)propyltrimethoxysilane coupling agent, 0....

Embodiment 2

[0050] The preparation of ABS composite material in the present embodiment is as follows,

[0051] (1) Preparation of raw materials: Coarsely crush waste phenolic plastic products (bakelite waste, scraps, waste products, etc.) to obtain fragments with a diameter range of 8 to 12 mm; Sieve to obtain regenerated phenolic acid plastic powder with a particle size range of 50-70 μm; the recovered waste ABS plastic parts are processed into recycled plastic particles through crushing, sorting, deplating, cleaning, drying, granulation, etc., measured Its melt index (MFI) is 18g / 10min, and its notched impact strength is 17kg·cm / cm; silicon carbide with a particle size range of 5-30 μm and alumina with a particle size range of 2-10 μm are prepared.

[0052] (2) By weight percentage, 69.2% recycled ABS plastic particles, 0.3% epoxy chain extender, 10% recycled phenolic plastic powder, 10% silicon carbide, 10% alumina, 0.2% γ-(2,3 -Glycidoxy)propyltrimethoxysilane coupling agent, 0.3% an...

Embodiment 3

[0054] The preparation of ABS composite material in the present embodiment is as follows,

[0055] (1) Preparation of raw materials: Coarsely crush waste phenolic plastic products (bakelite waste, scraps, waste products, etc.) to obtain fragments with a diameter range of 8 to 12 mm; Sieve to obtain regenerated phenolic acid plastic powder with a particle size range of 50-70 μm; the recovered waste ABS plastic parts are processed into recycled plastic particles through crushing, sorting, deplating, cleaning, drying, granulation, etc., measured Its melt index (MFI) is 18g / 10min, and its notched impact strength is 17kg·cm / cm; silicon carbide with a particle size range of 5-30 μm and alumina with a particle size range of 2-10 μm are prepared.

[0056] (2) By weight percentage, 59.1% recycled ABS plastic particles, 0.3% epoxy chain extender, 10% recycled phenolic plastic powder, 15% silicon carbide, 15% aluminum oxide, 0.3% γ-(2,3 - Glycidoxy) propyltrimethoxysilane coupling agent...

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Abstract

The invention relates to an ABS composite material, and application and a preparation method thereof, belonging to the technical field of macromolecules. The ABS composite material comprises the following raw material components in percentage by weight: 53.5%-89.6% of regenerated ABS, 0.1%-1% of a chain extender, 5%-15% of regenerated phenolic plastic, 2%-15% of silicon carbide, 2%-15% of aluminumoxide, 0.1%-0.3% of a coupling agent, 0.1%-0.5% of an antioxidant and 0-4% of other assistants. The ABS composite material provided by the invention has excellent mechanical properties and excellentshrinkage and warping resistance, and can be used for 3D printing.

Description

technical field [0001] The invention belongs to the technical field of macromolecules, and relates to an ABS composite material, its application and a preparation method. Background technique [0002] According to statistics, the world's plastic production reached 359 million tons in 2018, and China is already the world's largest plastic production country, accounting for 30% of the world's output. China's plastic consumption ranks first in the world, with 60.4215 million tons of plastic products produced in 2018. With the expansion of the use of plastics in the fields of electronic appliances, automobiles, plastic bags, etc., the accompanying waste products, plastic materials and plastic parts are increasing day by day. In order to deal with plastic waste at home and abroad, a large number of recycling companies have sprung up, and there are relatively mature processes and methods for recycling thermoplastics and thermosetting plastics. However, due to the irreversible cu...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L61/06C08K13/02C08K3/34C08K3/22C08K5/5435B33Y70/00
CPCC08L55/02B33Y70/00C08L2207/20C08L2201/08C08K2201/003C08K2003/2227C08L61/06C08K13/02C08K3/34C08K3/22C08K5/5435Y02W30/62
Inventor 吴剑波徐禄波王旭范方虹
Owner 宁波坚锋新材料有限公司
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