A kind of fatigue-resistant, high-glow wire performance halogen-free flame-retardant reinforced polyamide composite material and its preparation method and application

A thermoplastic polyamide and high glow wire technology, applied in the field of polyamide composite materials, can solve problems such as fatigue strength research, and achieve the effects of improving fatigue strength, improving glow wire performance, and high fluidity

Active Publication Date: 2016-11-30
TIANJIN KINGFA NEW MATERIAL +1
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  • Claims
  • Application Information

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Problems solved by technology

Patent US6184282 B1 discloses MCA flame-retardant polyamide composite material. The use of ground glass fiber with a certain length distribution is mainly to improve the mechanical properties under the premise of ensuring the performance of the glow wire, and the fatigue strength of the material is not studied.

Method used

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  • A kind of fatigue-resistant, high-glow wire performance halogen-free flame-retardant reinforced polyamide composite material and its preparation method and application
  • A kind of fatigue-resistant, high-glow wire performance halogen-free flame-retardant reinforced polyamide composite material and its preparation method and application

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Embodiment 1-10

[0060] According to the formula and content shown in Tables 1 and 2, polyamide, halogen-free flame retardant, antioxidant, and lubricant were added into the high-mixer, stirred evenly at room temperature, put into the twin-screw extruder, and ground The crushed glass fiber is fed from the side feeder of the twin-screw extruder, and then extruded and granulated; the temperature of each section of the extruder is respectively: the temperature of the first zone is 210°C, the temperature of the second zone is 220°C, and the temperature of the third zone The temperature is 230°C, the temperature in the fourth zone is 240°C, the temperature in the fifth zone is 250°C, the temperature in the sixth zone is 250°C, the temperature in the seventh zone is 245°C, the temperature in the eighth zone is 240°C, the temperature in the ninth zone is 240°C, the temperature of the machine head is 230°C, the speed of the main engine is 350rpm, The vacuum degree is -0.08~-0.06MPa, and then the materi...

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Abstract

The invention discloses a halogen-free flame-retardant reinforced polyamide composite material with high glow wire performance and fatigue resistance, which comprises the following components by weight percentage: thermoplastic polyamide: 35%-97%; ground glass fiber: 1%-97% 55%; halogen-free flame retardant: 1%‑30%; glow wire modification additive: 0.1%‑8%; processing aid: 0.1%‑2%. The halogen-free flame-retardant reinforced polyamide composite material of the present invention has both fatigue resistance and high glow wire performance, and has relatively high fluidity and excellent mechanical properties, and can be widely used in electronic appliances, especially in the low-voltage electrical appliance industry.

Description

technical field [0001] The invention relates to a polyamide composite material, in particular to a halogen-free flame-retardant reinforced polyamide composite material with fatigue resistance and high glow wire performance, and a preparation method and application thereof. Background technique [0002] Polyamide resin has excellent comprehensive properties such as excellent mechanical properties, excellent barrier properties, heat resistance, wear resistance, and chemical corrosion resistance, and is widely used in the fields of machinery manufacturing, electric tools, electronic appliances, and transportation. Polyamide used in electronic appliances is usually required to have a certain fire performance. The disadvantages of halogen flame retardants such as non-environmental protection, low CTI performance, and high density limit its application; red phosphorus is also to a certain extent due to problems such as dark color and post-corrosion Its application is limited; halo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L77/06C08K13/06C08K9/06C08K7/14C08K5/3492C08K5/523C08K5/20C08K5/134C08K5/098B29B9/06B29C47/92B29C47/10
Inventor 王丰袁志敏梁惠强金雪峰谭麟吉继亮殷年伟
Owner TIANJIN KINGFA NEW MATERIAL
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