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High-appearance antibacterial halogen-free flame-retardant polyamide composite material and preparation method thereof

A technology for flame-retardant polyamide and composite materials, which is applied in the field of high-appearance antibacterial and halogen-free flame-retardant polyamide composite materials and the preparation thereof, can solve the problems that polyamides have no antibacterial properties, limit the application of polyamides, etc., and achieve excellent antibacterial properties, The effect of high flame retardant properties

Active Publication Date: 2022-05-20
JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the use and storage of polyamide plastics, bacteria and other microorganisms harmful to human health will grow on the surface of the product under suitable temperature and humidity. However, polyamide itself has no antibacterial properties, which also limits the application of polyamide in high-end home appliances. application

Method used

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  • High-appearance antibacterial halogen-free flame-retardant polyamide composite material and preparation method thereof
  • High-appearance antibacterial halogen-free flame-retardant polyamide composite material and preparation method thereof
  • High-appearance antibacterial halogen-free flame-retardant polyamide composite material and preparation method thereof

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preparation example Construction

[0025] The present invention also provides a method for preparing a high-appearance antibacterial, halogen-free, and flame-retardant polyamide composite material, which includes the following steps:

[0026] (1) Take PA6 powder, composite heat stabilizer, polyhydroxy component, lubricant, antioxidant by certain weight and carry out powder treatment, obtain the mixture M of homogeneous mixing; Wherein, the raw material component after the powder treatment can be The mixing is more complete, and the function of trace additives can be fully exerted.

[0027] (2) Add half of PA66 and mixture M into the high mixer, mix at high speed for a certain period of time, and finally add the remaining half of PA66 into the high mixer and mix for a certain period of time, and finally obtain a homogeneous mixture N; Wherein, the stepwise mixing is used to make the mixing more uniform and sufficient.

[0028] (3) The obtained mixture N is added into the twin-screw extruder through the main fee...

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Abstract

The invention relates to the technical field of flame-retardant high polymer materials, in particular to a high-appearance antibacterial halogen-free flame-retardant polyamide composite material and a preparation method thereof. The polyamide composite material comprises the following components: polyamide resin, a compound heat stabilizer, a polyhydroxy component, a halogen-free flame retardant and other auxiliaries, the halogen-free flame retardant is a melamine cyanurate flame retardant; the ratio of the polyamide resin to the compound heat stabilizer to the polyhydroxy component to the halogen-free flame retardant in parts by weight is (81-95): (0.2-1.5): (0.2-2): (5-15). The high-appearance antibacterial halogen-free flame-retardant polyamide composite material provided by the invention has high flame retardance and excellent antibacterial performance, and the appearance of the material is obviously improved, so that the material can meet the high-appearance requirement.

Description

technical field [0001] The invention relates to the technical field of flame-retardant polymer materials, in particular to a high-appearance antibacterial, halogen-free, and flame-retardant polyamide composite material and a preparation method thereof. Background technique [0002] Polyamide (nylon, PA), as an engineering plastic, is one of the top five engineering plastics with the largest output, the most varieties, and the widest application. Nylon has high mechanical strength, heat resistance, wear resistance, oil resistance, and Weak acid, alkali resistance and general organic solvent resistance, good electrical insulation, self-extinguishing. It is widely used in automobiles, home appliances, electronic appliances, aerospace and other industries. [0003] Traditional flame-retardant nylon is usually flame-retardant with brominated flame retardants, but with the continuous improvement of environmental protection requirements, and with the release of the European Union'...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/02C08K3/16C08K5/06
CPCC08L77/06C08L2201/02C08L2201/22C08L77/02C08K3/16C08K5/06
Inventor 王腾杨杰刘凯申应军
Owner JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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