Recycled-ABS toughened foam material and preparation method thereof

Abstract

The invention discloses a recycled-ABS (acrylonitrile-butadiene-styrene) toughened foam material. The recycled-ABS toughened foam material is prepared from the following components in parts by weight: 100 parts of recycled ABS, 5-50 parts of polyvinyl chloride, 0.5-15 parts of hollow glass microsphere, 0.5-20 parts of plasticizer, 0.5-20 parts of lubricant, 0.1-20 parts of fire retardant, 0.1-10 parts of smoke suppression agent, and 0.1-5 parts of antioxidant. The invention further discloses a preparation method of the recycled-ABS toughened foam material. The method fully utilizes the recycled ABS, toughens with polyvinyl chloride and improves the flame retardant property, and uses the hollow glass microsphere to fill and foam, so as to avoid the disadvantages that the product is heavy in smell, and the injection molding process is strictly controlled while performing the chemical foaming method; during the production process, the water gap leftover material can be repeatedly processed and utilized for many times. The recycled-ABS toughened foam material prepared from the preparation method is particularly suitable for production of injection products with requirements for high recycled-ABS utilization rate, low production price, good material toughness, light product dead load and flame retardant property.

Description

technical field [0001] The invention belongs to the field of chemical industry, in particular to a toughened foaming material of recycled ABS and a preparation method thereof. Background technique [0002] Acrylonitrile-butadiene-styrene copolymer (ABS) resin is one of the five major synthetic resins. It has excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical properties, and is easy to process and produce. Dimensional stability, good surface gloss, etc., easy to paint and color, and can also carry out secondary processing such as surface metal spraying, electroplating, welding, hot pressing and bonding, etc., widely used in machinery, automobiles, electronic appliances, instruments and meters It is a thermoplastic engineering plastic with a wide range of uses in industrial fields such as textiles and construction. [0003] On the other hand, as the consumption of plastic products continues to increase, waste plastics ...

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Problems solved by technology

[0005] As for the recycling and reuse of waste plastics, people are concerned about the following issues: (1) The amount of waste plastics used in the entire recycled modified material: If the amount added is too small, the beneficial effect of recycling will not be achieved ; If the amount added is too much, it will be difficult to improve the overall performance of the modified recycled materials; (2) The cost of using waste plastics to prepare recycled modified materials: One of the purposes of using waste plastics is to reduce material costs. If a large number of high-cost modifiers are added in order to improve the comprehensive performance of recycled modified materials, the overall cost of recycled modified materials will increase, or the reduction will not be obvious, and the economic value of waste plastics will be lost; ( 3) Reusability of modified recycled materials: During the molding process of materials, some outlet materials and leftover materials will inevitably be produced. Whether these materials can be reused and how to reuse them should also be The key to further reducing the cost of materials

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