Flame-retardant ABS composition and preparation method thereof

A composition and ABS resin technology, applied in the field of ABS composite materials, can solve problems such as low glow wire performance, difficulty in meeting the needs of fire safety, and affecting the promotion and application of electrical products, so as to achieve high glow wire performance and solve problems with poor performance Effect

Active Publication Date: 2020-10-13
KINGFA SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the gas phase condensed phase flame retardant mechanism of the bromine antimony flame retardant system, the performance of the glow wire is low, and it is difficult to meet the fire safety requirements of the IEC60695 standard, which affects its popularization and application in the electrical product industry.

Method used

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  • Flame-retardant ABS composition and preparation method thereof
  • Flame-retardant ABS composition and preparation method thereof
  • Flame-retardant ABS composition and preparation method thereof

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Embodiment Construction

[0032] In order to better illustrate the purpose, technical solutions and advantages of the present invention, the present invention will be further described below in conjunction with specific examples.

[0033] The preparation method of ABS composite material in the embodiment of the present invention is:

[0034] Mix the ingredients uniformly in a high-speed mixing mixer to obtain a premix; feed the premix into a twin-screw extruder, extrude, cool with water, and granulate to obtain a flame-retardant ABS composition; among them, the twin-screw extruder The screw temperature of each section of the screw extruder from the feeding port to the machine head is 80°C for the first zone, 160°C for the second zone, 180°C for the third zone, 190°C for the fourth zone, 190°C for the fifth zone, and 190°C for the sixth zone. Zone temperature 190°C, zone 7 temperature 180°C, zone 8 temperature 180°C, zone 9 temperature 180°C, head temperature 200°C, screw speed 350rpm, twin-screw extrud...

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Abstract

The invention discloses a flame-retardant ABS composition. The composition comprises, by weight, 36.2-82.7 parts of ABS resin, 12-20 parts of a brominated flame retardant, 3-10 parts of an antimony-based flame retardant and 0.2-0.8 part of a processing aid; and in the total weight of the flame-retardant ABS composition, the content of the nitrogen element is not more than 85000 ppm and not less than 7000 ppm, the total content of the phosphorus element is not more than 50000 ppm and not less than 3000 ppm, and the total content of the fluorine element is not more than 40000 ppm and not less than 800 ppm. A plurality of flame-retardant systems are compounded for synergism, and under the combined action of a plurality of flame-retardant elements, relatively high glowing filament performanceis achieved. Meanwhile, the invention also provides a prepoiaration method of the flame-retardant ABS composition.

Description

technical field [0001] The invention belongs to the technical field of ABS composite materials, and in particular relates to a flame-retardant ABS composition and a preparation method thereof. Background technique [0002] ABS materials are often used as the casing of electronic and electrical products. These products will ignite these materials due to overheating, leakage, and aging, causing fires and posing a huge threat to people's lives and property safety. The safety standards of the industry consistently implement the UL94 standard to evaluate the flame retardant safety of polymer materials due to passive ignition, such as V-2, V-1 and V-0 flame retardant grades. In case of overheating due to poor contact, overload, and short circuit during use, the EU International Electrotechnical Association IE C60695 glow wire standard is used to evaluate its flame retardancy and safety. [0003] The chemical structure of ABS terpolymer contains polybutadiene rubber, which is flam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L27/18C08K13/02C08K5/3492C08K3/22C08K5/20C08K3/32
CPCC08L55/02C08L2201/02C08L2203/20C08K2003/323C08K2003/2282C08L27/18C08K13/02C08K5/34924C08K3/2279C08K5/20C08K5/34928C08K3/32
Inventor 秦旺平叶南飚黄险波付锦锋杨霄云陈平绪
Owner KINGFA SCI & TECH CO LTD
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