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Nylon composite material and preparation method thereof

A nylon composite material, nylon technology, applied in the field of high-performance alloy materials and its preparation, to achieve the effect of improving interface adhesion, improving friction, and preventing oxidation degradation

Inactive Publication Date: 2012-01-25
洪伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the existing problems of recycling resources and reducing environmental pollution, and provides a method for preparing nylon composite materials with excellent comprehensive performance and low cost by using recycled waste nylon 66

Method used

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  • Nylon composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Proportion according to the following mass percentage composition: nylon 66 77.3% (purchased from waste material recycling station), high-impact polystyrene 5% (produced by Guangzhou Synthetic Chemical Co., Ltd., brand HS2-010A), talcum powder 15% ( 800 mesh, commercially available conventional model), chain extender diaminodiphenylmethane 0.8% (Germany BASF company, model BRUGGOLEN M1251), antioxidant 1010 0.1% and antioxidant 168 0.1% (Swiss Ciba company production), Silane coupling agent KH550 0.5% (manufactured by Hangzhou Boiling Chemical Co., Ltd.), calcium stearate 0.2% (commercially purchased conventional type), color masterbatch 1% (self-made).

[0029] The components in the above formula except nylon 66 are accurately weighed according to the proportion, then added to the high-speed mixer and stirred for 15 minutes, and then added to the side feeding hopper of the parallel twin-screw extruder;

[0030] Add nylon 66 that has been crushed, cleaned and dried into...

Embodiment 2

[0033] Proportion according to the following mass percentage composition: nylon 66 69.6% (purchased from waste material recycling station), high-impact polystyrene 8% (produced by Guangzhou Synthetic Chemical Co., Ltd., brand HS2-010A), talcum powder 20% ( 800 mesh, commercially available conventional model), chain extender diaminodiphenylmethane 0.5% (German BASF company, model BRUGGOLEN M1251), antioxidant 1010 0.1% and antioxidant 168 0.1% (produced by Ciba, Switzerland), Titanate coupling agent NDZ201 0.5% (produced by Hangzhou Boiling Chemical Co., Ltd.), calcium stearate 0.2% (commercially purchased conventional type), masterbatch 1% (self-made).

[0034] The components in the above formula except nylon 66 are accurately weighed according to the proportion, then added to the high-speed mixer and stirred for 15 minutes, and then added to the side feeding hopper of the parallel twin-screw extruder;

[0035] Add nylon 66 that has been crushed, cleaned and dried into the mai...

Embodiment 3

[0038]Proportion according to the following mass percentage composition: nylon 66 55.8% (purchased from waste material recycling station), high-impact polystyrene 12% (manufactured by Guangzhou Synthetic Chemical Co., Ltd., brand HS2-010A), talcum powder 30% ( 1250 mesh, commercially available conventional model), chain extender 4,4'-diphenylmethanediamine 0.2% (commercially available), antioxidant 1010 0.1% and antioxidant 168 0.2% (produced by Ciba, Switzerland) , titanate coupling agent NDZ201 0.5% (produced by Hangzhou Boiling Chemical Co., Ltd.), zinc stearate 0.2% (commercially available type), masterbatch 1% (self-made).

[0039] The components in the above formula except nylon 66 are accurately weighed according to the proportion, then added to the high-speed mixer and stirred for 18 minutes, and then added to the side feeding hopper of the parallel twin-screw extruder;

[0040] Add nylon 66 that has been crushed, cleaned and dried into the main feeding hopper of the p...

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Abstract

The invention discloses a nylon composite material and a preparation method thereof. The nylon composite material comprises the following components, by mass, 20-90% of nylon 66, 3-20% of high impact polystyrene, 5-50% of an inorganic filler, 0.1-3% of a chain extender, 0.1-1% of an antioxidant, 0.1-1% of a coupling agent, 0.2-3% of a lubricant, and 0.5-3% of functional assistants. The recycled nylon 66 which is adopted as a main raw material allows a case of changing wastes into valuables and the resource recycle to be realized; the high impact polystyrene which is used as a compatilizer allows the comprehensive performance and the impact toughness of the material to be improved, and balanced physical and mechanical properties to be obtained; and the adopted chain extender allows the molecular weight and the relative viscosity of nylon to be effectively improved, and an abuse of the decrease of the physical and mechanical properties caused by the molecular chain rupture in the nylon regeneration process to be effectively prevented. The preparation method which is a one-step method has the advantages of simple production technology and low processing cost.

Description

technical field [0001] The invention relates to recycling of waste plastics, in particular to a high-performance alloy material prepared by recycling nylon 66 and a preparation method thereof. Background technique [0002] my country's plastic output in 2010 was nearly 45 million tons, and it is expected to reach more than 50 million tons in 2011. With the increasing use of plastics, the number of plastic products eliminated every year will also increase. It is a big waste and seriously pollutes the environment. It is estimated that in 2011, my country's recycled plastics are expected to exceed 10 million tons, and the recovery rate is only 20%, which is still far behind the 50% recovery rate in developed countries. Especially in the packaging material market, a large amount of waste packaging films are produced every year. Among them, nylon 66 (PA66), which has a large output, has poor compatibility and low recycling rate. It is usually disposed of by landfill and incine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L51/04C08K13/02C08K13/04B29C47/92B29B9/06B29C48/92
Inventor 洪伟
Owner 洪伟
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