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Polyamide resin composition with high metal texture and preparation method thereof

A technology of polyamide resin and composition, applied in the field of polyamide resin composition and preparation thereof, can solve the problems of not considering the physical properties of materials, and achieve the effects of solving weak metal feeling, reducing wear and improving scratch resistance

Active Publication Date: 2018-12-11
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN201611079305 adopts coupling agent and zinc stearate synergistically to improve the dispersion of metallic color pigments, without considering the physical properties of materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] 70phr PA, 18phr special effect toner, 30phr polymethyl methacrylate grafted maleic anhydride / styrene, 2phr DBTM-MMA-NaMA. The PA is PA6, and the intrinsic viscosity is 2.8; the special effect toner is an aluminum powder with an average particle diameter of 10 μm; the PMMA-g-MAH / St Mw is 140000, and the MAH content is 1 wt %; The DBTM-MMA-NaMAMw mentioned above is 40000, wherein the DBTM content is 2wt%, and the NaMA content is 15wt%.

Embodiment 2

[0038]95phr PA, 0.5phr special effect toner, 5phr polymethyl methacrylate grafted maleic anhydride / styrene, 0.1phr DBTM-MMA-NaMA. The PA is PA6 with an intrinsic viscosity of 2.8; the special effect toner is an aluminum powder with an average particle size of 10 μm; the PMMA-g-MAH / St Mw is 40000, and the MAH content is 0.05wt%; The DBTM-MMA-NaMA Mw is 1000, wherein the DBTM content is 0.5wt%, and the NaMA content is 2wt%.

Embodiment 3

[0040] 70phr PA, 18phr special effect toner, 30phr polymethyl methacrylate grafted maleic anhydride / styrene, 2phr DBTM-MMA-NaMA. The PA is PA6 with an intrinsic viscosity of 2.8; the special effect toner is a silica-coated metallic pigment with an average particle size of 100 μm; the PMMA-g-MAH / St Mw is 140,000, and the MAH content The DBTM-MMA-NaMA Mw is 40000, wherein the DBTM content is 2 wt%, and the NaMA content is 15 wt%.

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PUM

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Abstract

The invention relates to an aesthetic polyamide resin composition with high metal texture. The aesthetic polyamide resin composition is composed of the following components: 70-95 parts of polyamide (PA), 0-5 parts of auxiliary agent and 5.6-50 parts of special effect master-batch. The special effect master-batch is composed of the following components: 5-30 parts of polymethyl methacrylate grafted maleic anhydride / styrene (PMMA-g-MAH / St), 0.5-18 parts of special effect toner and 0.1-2 parts of additive. The additive is a dibutyltin maleate-methyl methacrylate-sodium methacrylate copolymer. The invention further provides a preparation method of the abovementioned composition. Compared with the prior art, a nylon material for a free-spraying aesthetic plastic is modified by using a brand-new technical scheme to obtain the aesthetic-texture polyamide composition with high metal texture, good mechanical property and surface property.

Description

technical field [0001] The invention relates to a polyamide resin composition with high metallic texture and a preparation method thereof, belonging to the technical field of polymer materials. Background technique [0002] As consumers have higher and higher requirements for product appearance quality, appearance designs with metallic textures are becoming more and more popular. At present, the mainstream metal effect materials are painted or electroplated to achieve aesthetic effects such as metallic texture and flashing. However, painting, electroplating and other processes have complex processes such as pretreatment, coating, and transfer, and the cost is high; the production process is complicated, the yield rate is not high, and there are serious pollution problems; the finished product contains coatings of different materials, making plastics Not recyclable, causing a lot of waste. [0003] Spray-free aesthetic plastics, by adding special-effect pigments such as alu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08L51/00C08K3/22C08K3/08C08K3/34C08K3/36C08K3/38C08J3/22
CPCC08J3/223C08J3/226C08L77/02C08L77/06C08K2003/387C08K2003/0812C08K2003/0856C08K2003/085C08K2003/0893C08K2003/2227C08L51/003C08K3/22C08K3/08C08K3/34C08K3/36C08K3/38C08L2205/03C08L2205/035C08L33/12C08L51/06
Inventor 刘星季得运罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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