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High-CTI (comparative tracking index)-value brominated flame-retardant HIPS (high impact polystyrene) material and preparation method thereof

A technology of brominated flame retardant and brominated flame retardant, which is applied in the field of brominated flame retardant HIPS material with high CTI value and its preparation, can solve the problems of limited application, high CTI, cost and processing restrictions, and achieve high CTI value, good leakage resistance and excellent mechanical properties

Inactive Publication Date: 2017-05-31
GUANGDONG ALDEX NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High CTI is prepared by glass fiber reinforced HIPS / PPO alloy, which limits its application due to cost and processing limitations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 6

[0049] The brominated flame retardant HIPS material formula of the present embodiment is:

[0050] HIPS resin 66 parts

[0051] Brominated polystyrene 7 parts

[0052] Brominated epoxy resin 8 parts

[0053] Antimony pentoxide 3 parts

[0054] Magnesium oxide 12 parts

[0055] SEBS 7 copies

[0056] Hindered phenolic antioxidant 0.6 parts

[0057] 0.8 parts of calcium stearate.

[0058] The preparation method is carried out with reference to the steps described above.

Embodiment 7

[0060] The brominated flame retardant HIPS material formula of the present embodiment is:

[0061] HIPS resin 55 parts

[0062] Brominated polystyrene 6 parts

[0063] Brominated epoxy resin 6 parts

[0064] Decabromodiphenylethane 6 parts

[0065] Antimony pentoxide 3 parts

[0066] 2 parts antimony trioxide

[0067] Magnesium oxide 10 parts

[0068] 4 parts magnesium hydroxide

[0069] SEBS 4 parts

[0070] 4 copies of SBS

[0071] Phosphite antioxidant 0.6 parts

[0072] EBS 0.6 copies.

[0073] The preparation method is carried out with reference to the steps described above.

Embodiment 8

[0075] The brominated flame retardant HIPS material formula of the present embodiment is:

[0076] HIPS resin 61 parts

[0077] Decabromodiphenylethane 11 parts

[0078] Antimony pentoxide 3 parts

[0079] Magnesium oxide 16 parts

[0080] SEBS 3 copies

[0081] 3 copies of SBS

[0082] Phosphite antioxidant 0.7 parts

[0083] 0.7 parts of calcium stearate.

[0084] The preparation method is carried out with reference to the steps described above.

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Abstract

The invention relates to the field of high-polymer materials, and discloses a high-CTI (comparative tracking index)-value brominated flame-retardant HIPS (high impact polystyrene) material. The brominated flame-retardant HIPS material comprises the following raw materials in parts by weight: 51-66 parts of HIPS resin, 10-20 parts of brominated flame retardant, 2-5 parts of flame-retardant synergist, 10-20 parts of magnesium-containing compound, 5-10 parts of toughener, 0.4-1 part of antioxidant and 0.5-1 part of lubricant. The invention also discloses a preparation method of the brominated flame-retardant HIPS material. The brominated flame-retardant HIPS material provided by the invention has high CTI value and favorable tracking resistance; the flame retardancy is stable and can be up to the V-0 level; and the brominated flame-retardant HIPS material has excellent mechanical property and fine processability. Thus, the brominated flame-retardant HIPS material can be widely used for electronic / electrical equipment manufacturing.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a brominated flame-retardant HIPS material with a high CTI value and a preparation method thereof. Background technique [0002] High-impact polystyrene (HIPS) is one of the cheapest engineering plastic varieties. It is easy to process and has excellent comprehensive performance. It is widely used in household appliances, office appliances, daily appliances and other components. Due to superior performance and low price, more and more HIPS are used. With the progress of society and the continuous improvement of use requirements and safety awareness, more and more attention has been paid to the flame retardancy and electrical safety performance of plastic products. [0003] The raw materials of HIPS are flammable materials, and the oxygen index is about 19%. The relative leakage index (CTI) of traditional flame-retardant HIPS is low, and it is difficult to meet the increasingly st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/04C08L53/02C08L25/06C08L63/00C08K13/02C08K5/3492C08K3/22C08K5/098C08K5/03B29B9/06B29C47/92B29C48/92
CPCC08L51/04B29B9/06B29C48/92B29C2948/9258B29C2948/92704C08K2201/014C08L2201/02C08L2203/20C08L2205/02C08L2205/03C08L2205/035C08L53/02C08K13/02C08K5/3492C08K3/2279C08K2003/2224C08L25/06C08L63/00C08L53/025C08K2003/222C08K5/098C08K5/03
Inventor 于海鸥王灿耀易庆锋桑杰杨华军
Owner GUANGDONG ALDEX NEW MATERIAL CO LTD
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