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Electroplated nylon material and preparation method thereof

A nylon and modified technology, which is applied in the field of electroplating nylon materials and its preparation, can solve the problems of increased roughness, decreased mechanical strength, poor impact toughness, etc., and can improve electroplatability, reduce adverse effects, and reduce shear fractures. Effect

Active Publication Date: 2020-09-25
SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polyamide materials also have some defects: on the one hand, there are polar amide bonds in PA molecules, which are easy to absorb water, resulting in poor dimensional stability and reduced mechanical strength; on the other hand, the notched impact toughness of PA is poor, and under the condition of 1.80MPa The heat distortion temperature is low, these problems limit its application range
However, glass fibers tend to cause floating fibers on the surface of nylon materials, which increases the roughness, which is not conducive to the adhesion of the electroplating layer, and the electroplating effect becomes poor; the compatibility of inorganic minerals and polymer materials is poor, and the dispersion is not good, which limits its improvement. The electroplatability of nylon materials can play a role, and it may cause the impact resistance of nylon materials to decline

Method used

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  • Electroplated nylon material and preparation method thereof
  • Electroplated nylon material and preparation method thereof
  • Electroplated nylon material and preparation method thereof

Examples

Experimental program
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Effect test

preparation example 1

[0081] Preparation of modified montmorillonite

[0082] (1) First, 100 parts by mass of montmorillonite (D 50 (The particle size is 0.2μm) vacuum drying at 100°C for 6 hours, and then cooling to room temperature under vacuum;

[0083] (2) Add 0.8 g of dry montmorillonite to 20 mL of toluene, and ultrasonically disperse at room temperature for 30 minutes to obtain a uniform suspension; then add 0.364 g of KH-550 to the suspension and mix ultrasonically for 10 minutes; react in a constant temperature tank at 90°C for 6 hours; The reaction solution was centrifuged at room temperature of 12000r / min, and the separated solid product was washed 3 times with absolute ethanol and dried in vacuum for 8 hours to obtain montmorillonite treated with silane coupling agent;

[0084] (3) Add 10 g of the montmorillonite treated with the silane coupling agent obtained in step (2) to deionized water, stir, filter, and then add to absolute ethanol, stir, let stand for 20 hours, filter, dry, and set asid...

preparation example 2

[0086] Preparation of montmorillonite treated with silane coupling agent

[0087] The preparation method is the same as step (1) and step (2) of Preparation Example 1.

preparation example 3

[0089] Preparation of montmorillonite treated with rare earth ions

[0090] According to the method of Preparation Example 1, the montmorillonite dried in step (1) is directly used in step (4) to adsorb rare earth ions to obtain rare earth ion-treated montmorillonite.

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Abstract

The invention provides an electroplated nylon material and a preparation method thereof. The electroplated nylon material comprises the following components in parts by weight: 40-80 parts of polyamide, 10-50 parts of modified minerals and 10-30 parts of modified glass fibers, wherein the total parts by weight of polyamide, modified minerals and modified glass fibers are 100 parts; the modified mineral is a mineral of which the surface is bonded with a silane coupling agent and adsorbs rare earth ions; the modified glass fiber is glass fiber of which the surface is bridged with maleic anhydride grafted ultra-high molecular weight polyethylene through a silane coupling agent and which adsorbs rare earth ions. The electroplated nylon material is prepared by mixing the components and then carrying out melt extrusion by using an extruder. The electroplating nylon material provided by the invention has good electroplating performance, rigidity, heat resistance and impact toughness through synergistic cooperation of the modified minerals and the modified glass fibers.

Description

Technical field [0001] The invention belongs to the technical field of nylon materials, and relates to an electroplated nylon material and a preparation method thereof. Background technique [0002] Polyamide (PA) is commonly known as nylon. It is a linear polymer with a repeating unit amide bond (-CONH-) in the molecule. It can be formed by polycondensation of dibasic acid and diamine, or it can be polymerized by ring opening of amino acid caprolactam. Polyamide is an engineering plastic with excellent performance. It has good mechanical strength, self-lubricating performance, good wear resistance, shock absorption and noise reduction. It is widely used in machinery, automobiles, electrical appliances and other industries. However, polyamide materials also have some disadvantages: on the one hand, there are polar amide bonds in the PA molecules, which are easy to absorb water, resulting in poor dimensional stability and reduced mechanical strength; on the other hand, the notched...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08K13/06C08K7/14C08K9/06C08K9/04C08K3/34
CPCC08L77/00C08K13/06C08K9/06C08K9/04C08K9/08C08K3/346C08K7/14C08L2201/08C08L2205/025C08K3/34
Inventor 刘春艳
Owner SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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