Flame-retardant AES (acrylonitrile ethylene styrene) material, preparation method for same and application thereof

A technology of antimony-based flame retardant and bromine-based flame retardant, which is applied in the field of modified plastics, can solve problems such as potential safety hazards, and achieve the effects of balanced mechanical properties, balanced fluidity, and excellent weather resistance

Inactive Publication Date: 2012-07-25
KINGFA SCI & TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, AES resin is a flammable material, and the flame retardant level can only reach UL94-HB. When used in electronic product casings or outdoor products, there are potential safety hazards

Method used

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  • Flame-retardant AES (acrylonitrile ethylene styrene) material, preparation method for same and application thereof
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  • Flame-retardant AES (acrylonitrile ethylene styrene) material, preparation method for same and application thereof

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Embodiment 1-6 and comparative example 1-2

[0055] A preparation method of flame retardant AES material, comprising the steps of:

[0056] (1) Weigh each component according to the proportioning in Table 2.

[0057] (2) Pre-mix AES and AS in a high-speed mixer for 2-5 minutes, and then add brominated flame retardants, antimony-based flame retardants, anti-dripping agents, lubricants, antioxidants and light stabilizers, Mix for another 2-5 minutes to obtain the mixed raw materials;

[0058] (3) Place the mixed raw materials in a twin-screw extruder, and obtain a flame-retardant AES material through melt extrusion, drawing, water cooling, and pelletizing; wherein, the aspect ratio of the twin-screw extruder is 40: 1; The temperature of the screw barrel is set as: the temperature of the first zone is 80°C, the temperature of the second zone is 200°C, the temperature of the third zone is 210°C, the temperature of the fourth zone is 210°C, the temperature of the fifth zone is 210°C, the temperature of the sixth zone is 210°...

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Abstract

The invention discloses a flame-retardant AES (acrylonitrile ethylene styrene) material, a preparation method for the same and application thereof. The flame-retardant AES material is prepared by 11-24% of AES, 50-65% of AS (acrylonitrile styrene), 12-20% of brominated flame retardant, 3-8% of antimonic flame retardant, 0.1-1.5% of anti-drip agent, 0.5-1.5 of lubricant, 0.3-1% of antioxidant and 0.1-2% of light stabilizer, wherein the brominated flame retardant preferably is tri(tri-bromophenyl) cyanurate and/or tetrabromobisphenol A based epoxy resin. The flame-retardant AES material has good weather fastness, balanced mechanical properties and excellent flame-retardant effect, and application fields of the AES material are widened. The preparation method is high in operability and easy in implementation.

Description

technical field [0001] The invention relates to the field of modified plastics, in particular to a flame-retardant AES material and its preparation method and application. Background technique [0002] AES resin, also known as EPSAN resin, is a graft copolymer of EPDM rubber, styrene and acrylonitrile. AES resin was first produced industrially by Copolymer-Ruber Company of the United States in 1970, and also produced by Idemitsu Petrochemical Company of Japan, UMG, JSR Company and Bayer Company of Germany. [0003] Like ASA and ACS, AES is also a styrene-based toughening resin developed for the poor weather resistance of ABS. AES uses EPDM rubber as a toughening agent. The rubber is an ethylene-propylene-diene terpolymer with very few double bonds. Therefore, the weather resistance of AES is 4-8 times better than that of ABS. The thermal stability, water absorption and impact strength of AES are better than ABS resin, and other properties are equivalent to ABS. [0004] D...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/12C08L51/06C08K13/02C08K5/3492B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/875B29C48/92B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 王亮蔡彤旻宁凯军程庆王林郭涛付锦锋
Owner KINGFA SCI & TECH CO LTD
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