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High flow non-spraying metallic silver polyamide composition and preparation method thereof

A polyamide composition and spray-free technology, which is applied in the field of high-flow spray-free metal silver polyamide composition and its preparation, can solve the problems of high cost, prone to weld lines, and not being environmentally friendly, and achieve good fluidity and relative good capacitive effect

Inactive Publication Date: 2018-09-21
南京跃贝新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problems that need to be solved in this application are technical problems such as insufficient environmental protection, high cost and easy occurrence of weld lines in the prior art. A high-flow spray-free metal silver polyamide composition and its preparation method are proposed, which have good fluidity and can be used for injection molding parts. It is easy to weld at the weld line, and at the same time, adding a coupling agent and other components produces a synergistic effect to make the weld strength better and solve the problem of the appearance of the weld line

Method used

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  • High flow non-spraying metallic silver polyamide composition and preparation method thereof

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Embodiment 1

[0032] A high-flow spray-free metal silver polyamide composition, the preparation steps of which are:

[0033] Step 1: Weigh 80 parts of PA6 resin, 20 parts of metal silver powder, 0.5 part of KH-550 silane coupling agent, 0.3 part of internal lubricant stearic acid amide, 0.3 part of external lubricant liquid paraffin, 0.2 parts of antioxidant 168, 0.3 parts of UV-327 ultraviolet absorber, 10 parts of amino silicone oil, 10 parts of flame retardant MPP, 20 parts of calcium stearate, 20 parts of MBS, 5 parts of SMA, 1 part of silicon dioxide, magnesium salt crystal 1 part of silk, 5 parts of hollow glass microspheres, 0.5 parts of EBS, 10 parts of glass fiber, 3 parts of SEBS-g-MAH compatibilizer and 20 parts of ABS;

[0034] The second step: Put PA6 resin, metal silver powder, KH-550 silane coupling agent, internal lubricant stearic acid amide, external lubricant liquid paraffin, antioxidant 168, UV-327 ultraviolet absorber into the mixer, and mix it at 100r Mix for 5min at ...

Embodiment 2

[0039] A high-flow spray-free metal silver polyamide composition, the preparation steps of which are:

[0040] Step 1: Weigh 80 parts of PA6 resin, 20 parts of metal silver powder, 0.5 part of KH-550 silane coupling agent, 0.5 part of internal lubricant stearic acid amide, 0.5 part of external lubricant natural paraffin, 0.2 parts of antioxidant 168, 0.3 parts of UV-327 ultraviolet absorber, 15 parts of amino silicone oil, 15 parts of flame retardant antimony trioxide, 30 parts of calcium stearate, 20 parts of MBS, 5 parts of SMA, 1 part of silicon dioxide , 3 parts of magnesium salt whiskers, 10 parts of hollow glass microspheres, 2.5 parts of EBS, 30 parts of glass fiber, 10 parts of PP-g-MA compatibilizer and 30 parts of ABS;

[0041] The second step: Put PA6 resin, metal silver powder, KH-550 silane coupling agent, internal lubricant stearic acid amide, external lubricant natural paraffin, antioxidant 168, UV-327 ultraviolet absorber into the mixer, and heat at 250r Mix for...

Embodiment 3

[0046] A high-flow spray-free metal silver polyamide composition, the preparation steps of which are:

[0047] Step 1: Weigh 80 parts of PA6 resin, 20 parts of metal silver powder, 0.5 part of KH-550 silane coupling agent, 0.8 part of internal lubricant stearic acid amide, 0.8 part of external lubricant natural paraffin, 0.2 parts of antioxidant 168, 0.3 parts of UV-327 ultraviolet absorber, 11 parts of amino silicone oil, 11 parts of flame retardant magnesium hydroxide, 22 parts of calcium stearate, 20 parts of MBS, 5 parts of SMA, 1 part of silicon dioxide, 1.2 parts of magnesium salt whiskers, 6 parts of hollow glass microspheres, 1 part of EBS, 15 parts of glass fiber, 4 parts of PE-g-MAH compatibilizer and 22 parts of ABS;

[0048] The second step: Put PA6 resin, metal silver powder, KH-550 silane coupling agent, internal lubricant stearic acid amide, external lubricant natural paraffin, antioxidant 168, UV-327 ultraviolet absorber into the mixer, and heat it at 120r Mix...

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Abstract

The application discloses a high flow non-spraying metallic silver polyamide composition and a preparation method thereof. The high flow non-spraying metallic silver polyamide composition is preparedfrom the following raw materials: PA6 resin, a metallic silver powder, a coupling agent, an internal lubricant, an external lubricant, an antioxidant, an ultraviolet light absorber, amino-silicone oil, a flame retardant, calcium stearate, MBS, SMA, silicon dioxide, a magnesium salt whisker, hollow glass-beads, EBS, glass fiber, a compatilizer and ABS; the composition has good flowability; injection molding parts are easy to be welded at welding lines; meanwhile, by adding the coupling agent, the welding strength is better, and the appearance of the weld lines is ensured; the composition has high flow characteristic and solves the problem of obvious welding lines of a product. The composition nylon resin has better compatibility with metal powder particles and ensures the welding strength of the welding lines of the product; the composition has non-spraying properties and replaces an electroplating or vacuum plating metal mode, so that the cost is significantly reduced and environment friendliness is achieved.

Description

technical field [0001] The present application relates to the field of polymer materials, in particular to a high-flow spray-free metallic silver polyamide composition and a preparation method thereof. Background technique [0002] Polyamide, also called nylon, is a polymer engineering plastic with multiple repeating polyamide groups on the molecular main chain. Nylon has good mechanical properties, heat resistance, abrasion resistance, chemical resistance, and is easy to process. Ideal material for trimmings. At present, most of the interior and exterior trim parts of automobiles are mostly made of PC / ABS alloy electroplated metal or vacuum metallized, and the spray-free metal silver polyamide composition of the present invention, the surface of the injection molded parts presents a metallic color, without vacuum metallization or electroplated metal, environmental protection and cost saving . At present, some metal-colored polypropylene and other materials are prone to de...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L83/08C08L51/04C08K13/04C08K7/28C08K3/08C08K5/098C08K7/14
CPCC08K2003/0806C08L77/02C08L2205/035C08L83/08C08L51/04C08K13/04C08K7/28C08K3/08C08K5/098C08K7/14
Inventor 王正有徐青华但伟军詹俊
Owner 南京跃贝新材料科技有限公司
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