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ABS-HIPS (acrylonitrile-butadiene-styrene/high impact polystyrene) alloy and preparation method thereof

An alloy and suspension polymerization technology, applied in the field of modified plastics, can solve the problems of limited improvement of blend compatibility, and achieve the effects of reducing modulus, improving impact performance, and improving compatibility

Inactive Publication Date: 2016-04-06
FINE BLEND COMPATILIZER JIANGSU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method utilizes the elasticity of the core-shell toughener and styrene block polymerization to improve the impact properties of the blend, but the compatibility of the blend is limited.

Method used

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  • ABS-HIPS (acrylonitrile-butadiene-styrene/high impact polystyrene) alloy and preparation method thereof
  • ABS-HIPS (acrylonitrile-butadiene-styrene/high impact polystyrene) alloy and preparation method thereof
  • ABS-HIPS (acrylonitrile-butadiene-styrene/high impact polystyrene) alloy and preparation method thereof

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preparation example Construction

[0020] The preparation method of the SG used in the present invention is: will be obtained by suspension polymerization method, 1g azobisisobutyronitrile is dissolved in 100g styrene, glycidyl methacrylate mixture (wherein glycidyl methacrylate content 1~10wt%) ), then add polyvinyl alcohol aqueous solution (prepared by dissolving 0.3 g of polyvinyl alcohol in 150 g of water), carry out suspension polymerization at 75 ° C for 4 to 6 hours, wash with water, and dry to obtain SG.

[0021] The SAM used in the present invention was purchased from Shanghai Huawen Electronic New Material Co., Ltd., with the brand name SMA-800.

Embodiment 1

[0023] Take the following components according to parts by weight:

[0024]

[0025] Mix the above components uniformly in a high-speed mixer and add them to a twin-screw extruder. The temperature of the extruder is set between 180°C and 220°C, and the mixture melts and reacts at this temperature. The desired alloy is obtained by extruding the strands, cooling and granulating, and drying.

Embodiment 2

[0027] Take the following components according to parts by weight:

[0028]

[0029] Mix the above components uniformly in a high-speed mixer and add them to a twin-screw extruder. The temperature of the extruder is set between 180°C and 220°C, and the mixture melts and reacts at this temperature. The desired alloy is obtained by extruding the strands, cooling and granulating, and drying.

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Abstract

The invention provides an ABS-HIPS (acrylonitrile-butadiene-styrene / high impact polystyrene) alloy and a preparation method thereof. The alloy comprises components in parts by weight as follows: 55-95 parts of ABS, 5-45 parts of HIPS, 0.5-10 parts of SG (styrene-glycidyl methacrylate copolymer), 0.5-10 parts of SAM (styrene-maleic anhydride-acrylonitrile copolymer), 0.4 parts of an antioxidant and 0.2 parts of a lubricant. The preparation method comprises steps as follows: ABS, SG, SAM,HIPS, the antioxidant and the lubricant are uniformly mixed, are subjected to extrusion at the temperature of 180-220 DEG C and then are subjected to bracing, cooling, pelleting and drying, and the ABS-HIPS alloy is obtained. Compared with the prior art, the ABS-HIPS alloy has the benefits as follows: with the adoption of the SG and SAM compounding use method, the compatibility between ABS and HIPS is improved, and accordingly, the performance of the ABS-HIPS alloy is improved.

Description

technical field [0001] The invention relates to an ABS-HIPS alloy and a preparation method thereof, belonging to the technical field of modified plastics. Background technique [0002] Acrylonitrile-butadiene-styrene copolymer (ABS) and high-impact polystyrene (HIPS) have excellent mechanical properties and are easy to form and process, and are widely used in household appliances, computers and peripheral equipment, printing and copying devices And other electrical and electronic and office equipment fields. As the renewal cycle of household appliances, computers and other electronic equipment becomes shorter and shorter, a large amount of ABS and HIPS plastics that need to be recycled will inevitably be produced. There is no big problem in the recycling of ABS and HIPS alone, but the compatibility of ABS and HIPS is extremely poor. Even if a small amount of HIPS or polystyrene (PS) is mixed into ABS, problems such as delamination, peeling, and deterioration of physical pro...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L51/04C08L25/14C08L35/06C08K5/13C08K5/523C08K5/20
Inventor 朱延谭朱从山张鹏田冶
Owner FINE BLEND COMPATILIZER JIANGSU CO LTD
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