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PA (polyamide) resin composition used for NMT (nano molding technology) and having LDS (laser direct structuring) function

A technology of polyamide resin and composition, applied in the field of polyester composition, can solve the problems of inability to carry out LDS, large molding shrinkage, poor acid and alkali resistance, etc. good heat effect

Active Publication Date: 2016-06-22
SHENZHEN HALCYON NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention solves the shortcomings of ordinary LDS special material and metal, such as low bonding force, large molding shrinkage rate, poor acid and alkali resistance, and inability to carry out LDS, and has strong bonding force with metal, and the bonding strength is higher than 180kgf / cm 2 , and the effects of radium engraving and electroless plating are good, and it meets the requirements of LDS and NMT technology at the same time; the material has excellent mechanical properties, good heat resistance, and excellent forming and processing performance

Method used

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  • PA (polyamide) resin composition used for NMT (nano molding technology) and having LDS (laser direct structuring) function
  • PA (polyamide) resin composition used for NMT (nano molding technology) and having LDS (laser direct structuring) function
  • PA (polyamide) resin composition used for NMT (nano molding technology) and having LDS (laser direct structuring) function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Embodiment 1: The polyamide resin composition for NMT with LDS function of the present embodiment is mainly composed of the following raw materials in parts by mass:

[0062]

[0063] Among them, the glass fiber is an ordinary cylindrical cross-section glass fiber, the model is 3610, and the inorganic whisker is the pretreated inorganic whisker.

[0064] The method for preparing the above polyamide resin composition for NMT with LDS function is as follows:

[0065] (1) According to the formula content, polyamide resin, LDS auxiliary agent, stabilizer, toughening agent and lubricant are mixed to obtain a mixture;

[0066] (2) Put the mixture and glass fibers into an extruder, perform melt blending, add inorganic whiskers, extrude and granulate, and obtain a polyamide resin composition for NMT with LDS function.

Embodiment 2

[0067] Embodiment 2: The NMT polyamide resin composition with LDS function of the present embodiment, by mass parts, comprises the following components:

[0068]

[0069] Among them, the glass fiber is an ordinary cylindrical cross-section glass fiber, the model is 3610, and the inorganic whisker is the pretreated inorganic whisker.

[0070] The method for preparing the polyamide resin composition for NMT in this example is the same as that in Example 1.

Embodiment 3

[0071] Embodiment 3: The NMT polyamide resin composition with LDS function of the present embodiment, by mass parts, comprises the following components:

[0072]

[0073]

[0074] Among them, the PPA resin model is Amodel6000, the glass fiber is an ordinary cylindrical cross-section glass fiber, the model is 3610, and the inorganic whiskers are pretreated inorganic whiskers.

[0075] The method for preparing the polyamide resin composition for NMT in this example is the same as that in Example 1.

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Abstract

The invention provides PA (polyamide) resin composition used for an NMT (nano molding technology) and having an LDS (laser direct structuring) function. The PA resin composition used for the NMT is mainly prepared from raw materials in parts by mass as follows: 30-90 parts of PA resin, 10-40 parts of glass fibers, 3-25 parts of inorganic whiskers, 3-10 parts of an LDS auxiliary, 0.3-5 parts of a stabilizer, 3-15 parts of a toughening agent and 0.5-3 parts of a lubricant, wherein PA resin is PA66 resin and / or PA6 resin. The glass fibers are partially replaced with inorganic whiskers, so that the sensitivity of an electromagnetic wave signal is improved, and the laser etching precision and accuracy of a material surface are improved; the defects that ordinary LDS special materials have poor binding force with metals, the molding shrinkage is large, the acid and alkali resistance is poor and LDS cannot be performed are overcome, the PA resin composition has strong binding force with metals, the binding strength is higher than 180 kgf / cm<2>, and the laser etching and chemical plating effects are good; besides, the requirements of LDS and NMT are met; material has excellent mechanical performance, good heat resistance and excellent molding machining performance.

Description

technical field [0001] The invention relates to the technical field of polyester compositions, in particular to a polyamide resin composition for NMT with LDS function. Background technique [0002] With the development of science and technology and the improvement of living standards, many mainstream high-end products in the communication field such as mobile phones are increasingly made of metal materials, such as portable video player shells, audio player shells, display cabinets, car computer panels, and mobile communication products. High-end products in fields such as casings, projector casings, front and back covers of laptops, etc. are all made of metal. NMT (NanoMolding Technology) technology is a nano-molding technology that combines metal and plastic nanotechnology. Although the industrialization of NMT technology has realized the integrated molding of metal-plastic materials, it simplifies the design and manufacturing process of product mechanism components, imp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L71/12C08K13/06C08K7/14C08K9/00C08K7/04C08K7/08C08K3/22C08K5/56
CPCC08K2201/003C08L77/06C08L2201/08C08L2205/02C08L2205/03C08L2205/035C08L63/00C08L33/14C08K13/06C08K7/14C08K9/00C08K7/04C08K7/08C08K3/22C08K5/56C08L71/12C08L77/02
Inventor 曹艳霞赖华林邓冬颜
Owner SHENZHEN HALCYON NEW MATERIALS
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