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High-glass/mineral-fiber-content high-gloss polyamide material and a preparing raw material, preparing method and application thereof

A fiber content and polyamide technology, which is applied to the high glass mineral fiber content and high gloss polyamide material and its preparation raw materials and preparation fields, can solve the problems of high notched impact strength and high gloss, and the inability to obtain high tensile strength at the same time. , to achieve the effect of improved mechanical strength, good appearance and gloss, gloss enhancement

Active Publication Date: 2019-10-01
JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the defects that the existing polyamide materials with high glass mineral fiber content cannot obtain high tensile strength, high notched impact strength and high gloss at the same time, and provide a combination of high tensile strength, high Notched impact strength and high gloss polyamide material with high glass mineral fiber content and its preparation raw material, preparation method and application

Method used

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  • High-glass/mineral-fiber-content high-gloss polyamide material and a preparing raw material, preparing method and application thereof
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preparation example Construction

[0032] The preparation method of the high glass mineral fiber content high gloss polyamide material provided by the invention comprises the following steps:

[0033] S1. Mixing: uniformly pre-mix the hydrogen bond inhibitor with optional lubricant and antioxidant to obtain a powder package; mix the semi-crystalline polyamide, amorphous polyamide and powder package evenly , get the main material;

[0034] S2. Melting extrusion granulation: the main material is metered and fed from the main feed port of the twin-screw extruder through a weight loss scale, and the glass ore fiber is measured through a weight loss scale from the side feed port of the twin-screw extruder The materials are fed, and each material is melted and extruded in a twin-screw extruder, cooled by water, and pelletized to obtain the high-glass mineral fiber content and high-gloss polyamide material.

[0035] It should be noted that the lubricant and antioxidant can be selectively added according to the actual...

Embodiment 1~4

[0043] S1. Mixing materials: Put hydrogen bond inhibitors, lubricants and antioxidants into a high-speed mixer, mix at a speed of 600r / min for 2 minutes, mix well and evenly to form a powder package, and set aside; PA6, PA6I and the above powder package Put it into a low-speed mixer, mix at a speed of 100r / min for 5 minutes, mix well and evenly to form the main ingredient, and set aside;

[0044] S2. Melt extrusion granulation: The main material is metered and fed from the main feeding port of the twin-screw extruder through a weight loss scale, and the chopped glass fibers are separately passed through the weight loss weighing machine through the side feeding port of the twin-screw extruder. It is called metering feed; the temperatures of each section of the twin-screw extruder are: 210°C, 235°C, 250°C, 250°C, 245°C, 245°C, 245°C, 235°C, 225°C, 225°C, the head temperature The temperature is 250°C, and the screw speed is 400r / min; the material is fully fused under the shearing...

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Abstract

The invention belongs to the field of composites, and discloses a high-glass / mineral-fiber-content high-gloss polyamide material and a preparing raw material, preparing method and application thereof.The preparing method of the high-glass / mineral-fiber-content high-gloss polyamide material includes the steps of S1, evenly mixing a hydrogen bond inhibitor with an optional lubricant and antioxidantin advance to obtain a powdery material package, and evenly mixing semi-crystalline polyamide, amorphous polyamide and the powdery material package to obtain a main material; S2, weighing the main material through a weightlessness scale and feeding the main material from a main feed port of a twin-screw extruder, weighing glass / mineral fiber through the weightlessness scale and feeding the glass / mineral fiber from a side feed port of the twin-screw extruder, and conducting melting and extruding, rinsing and cooling, and pelletizing on all the materials in the twin-screw extruder to obtain thehigh-glass / mineral-fiber-content high-gloss polyamide material. The polyamide material obtained through the method has high mechanical strength and high glossiness and is quite suitable for preparingshell type structural parts with high requirement for glossiness and visual sensory effect.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a high-gloss polyamide material with high glass mineral fiber content and its preparation raw material, preparation method and application. Background technique [0002] Polyamide (nylon, PA) is an engineering plastic with excellent comprehensive properties. Nylon has high mechanical strength, heat resistance, abrasion resistance, chemical resistance and electrical insulation. Nylon materials are widely used in the automotive industry, electrical and electronic industries, transportation, machinery, aerospace and other fields. High-gloss nylon can obtain excellent appearance effects of products through direct injection molding, such as high-gloss and metallic effects. Nylon base material can be modified to obtain high mechanical strength and high gloss effect, which can replace some metal parts, toy parts and household kitchen and bathroom parts and other shell pr...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L77/06C08K13/04C08K7/14C08K3/16C08K3/30
CPCC08L77/02C08K13/04C08K7/14C08K3/16C08K3/30C08K2201/003C08K2201/004C08K2003/168C08K2003/3036C08L2205/02C08L77/06
Inventor 欧阳威猛申应军刘凯
Owner JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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