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Spraying-facilitating mineral enhanced PA66 material and preparation method thereof

A PA66, mineral technology, applied in the field of PA66 materials, can solve the problems of improving product scrap rate, high scrap rate, complicated output, etc., to reduce production scrap rate, improve surface adhesion, and improve productivity.

Inactive Publication Date: 2018-05-15
NANJING HONGRUI PLASTIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the sprayed product is left for a period of time, it will be easy to fall off the paint, which will increase the scrap rate of the product. The complicated process will reduce the output and increase the cost. Development is imminent

Method used

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  • Spraying-facilitating mineral enhanced PA66 material and preparation method thereof
  • Spraying-facilitating mineral enhanced PA66 material and preparation method thereof
  • Spraying-facilitating mineral enhanced PA66 material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Get PA66 slices (6010A, Yuyao Guanghui Nylon Technology Co., Ltd.) 55KG, PA6 slices (YH800, Shanghai Xiwei New Material Co., Ltd.) Bao) 60g, acid absorbing agent (magnesium oxide) 3KG, surface treatment agent (PVA1788, Zhengzhou Yuteng Chemical Products Co., Ltd.) 2KG, add in the high-speed mixer and stir to disperse evenly, discharge, add it in the twin-screw extruder Melt blending, extruding, granulating, and drying to obtain flame-retardant pellets. The samples were injected by an injection molding machine, and the mechanical properties were tested. After washing with water, the surface adhesion effect was tested. The results are shown in Table 1.

Embodiment 2

[0024] Get PA66 slices (6010A, Yuyao Guanghui Nylon Technology Co., Ltd.) 50KG, PA6 slices (YH800, Shanghai Xiwei New Material Co., Ltd.) Bao) 60g, acid absorbing agent (magnesium oxide) 2KG, surface treatment agent (PVA1788, Zhengzhou Yuteng Chemical Products Co., Ltd.) 3KG, add in the high-speed mixer and stir to disperse evenly, discharge, add it in the twin-screw extruder Melt blending, extruding, granulating, and drying to obtain flame-retardant pellets. The samples were injected by an injection molding machine, and the mechanical properties were tested. After washing with water, the surface adhesion effect was tested. The results are shown in Table 1.

Embodiment 3

[0026] Get PA66 slices (6010A, Yuyao Guanghui Nylon Technology Co., Ltd.) 50KG, PA6 slices (YH800, Shanghai Xiwei New Material Co., Ltd.) Bao) 60g, acid absorbing agent (magnesium oxide) 3KG, surface treatment agent (PVA1788, Zhengzhou Yuteng Chemical Products Co., Ltd.) 2KG, add in the high-speed mixer and stir to disperse evenly, discharge, add it in the twin-screw extruder Melt blending, extruding, granulating, and drying to obtain flame-retardant pellets. The samples were injected by an injection molding machine, and the mechanical properties were tested. After washing with water, the surface adhesion effect was tested. The results are shown in Table 1.

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Abstract

The invention discloses a spraying-facilitating mineral enhanced PA66 material and a preparation method thereof. The spraying-facilitating mineral enhanced PA66 material is prepared from the followingraw material components: 45 to 55 parts of PA66, 25 to 35 parts of PA6, 15 to 30 parts of mineral fillings, 0.1 to 0.2 part of an antioxidant, 3 to 5 parts of an acid absorbent and 2 to 3 parts of asurfactant, wherein the mineral filling is talc grains of 2,500 meshes, and the part is mass part. According to the spraying-facilitating mineral enhanced PA66 material disclosed by the invention, through synergism and promotion of all the raw materials, on the basis that the mechanical property, the size stability and the temperature resistance of the material are all improved, the surface adhesion of a product is enhanced by adding the acid absorber and the surfactant, so that the product is only required to be washed with water, and burning and surface grinding are not required; the productis easy to spray; the productivity is improved, and the cost is reduced; moreover, the production rejection rate is also reduced.

Description

technical field [0001] The invention relates to an easy-to-spray mineral reinforced PA66 material and a preparation method thereof, belonging to the field of PA66 materials. Background technique [0002] Polyhexamethylene adipamide (PA66) is a linear thermoplastic engineering plastic. Its molecular structure and crystallization make it have excellent physical and mechanical properties. Mineral-filled reinforced PA66 composites are widely used in the automotive industry, typically represented by automotive hubcaps. After the hub cover is formed, it will go through many complicated processes such as washing, burning, and grinding before it can be sprayed on the surface. After the sprayed product is left for a period of time, it will be easy to fall off the paint, which will increase the scrap rate of the product. The complicated process will reduce the output and increase the cost. Development is imminent. Contents of the invention [0003] The invention provides an easy-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/02C08L29/04C08K13/06C08K9/06C08K3/34C08K3/22
CPCC08K2003/222C08K2201/003C08L77/06C08L2201/02C08L2205/02C08L2205/03C08L77/02C08L29/04C08K13/06C08K9/06C08K3/34C08K3/22
Inventor 谢国元孔云臻欧正清
Owner NANJING HONGRUI PLASTIC PROD
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