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Polyethylene/nylon alloy composite material and preparation method thereof

A composite material and polyethylene technology, applied in the field of high-performance alloy materials and their preparation, to achieve the effects of rich sources, prevention of oxidative degradation, and promotion of compatibility

Inactive Publication Date: 2011-12-14
GUANGZHOU SUPER DRAGON ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 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 PE / PA alloy materials with excellent comprehensive performance and low cost by using recycled waste PE / PA composite membranes

Method used

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  • Polyethylene/nylon alloy composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Proportion according to the following mass percentage composition: recycled PE / PA composite film 77.3% (purchased from waste material recycling station), ethylene-octene copolymer grafted maleic anhydride POE-g-MAH 5% (Guangzhou Synthetic Chemical Co., Ltd. Produced by the company, brand name HS2-010A), talc 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% (produced by Ciba, Switzerland), silane coupling agent KH550 0.5% (produced by Hangzhou Boiling Chemical Co., Ltd.), calcium stearate 0.2% (commercially purchased conventional model), color masterbatch 1% (self-made ).

[0032] The components in the above formula except the PE / PA composite film 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 tw...

Embodiment 2

[0037]Proportion according to the following mass percentage composition: recycled PE / PA composite film 69.6% (purchased from waste material recycling station), ethylene-octene copolymer grafted maleic anhydride POE-g-MAH 8% (Guangzhou Synthetic Chemical Co., Ltd. Produced by the company, brand name HS2-010A), talcum powder 20% (800 mesh, commercially available conventional model), chain extender diaminodiphenylmethane 0.5% (Germany 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 available conventional model), masterbatch 1% (self made).

[0038] The components in the above formula except the PE / PA composite film 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-...

Embodiment 3

[0043] Proportion according to the following mass percentage composition: recycled PE / PA composite film 55.8% (purchased from waste material recycling station), ethylene-octene copolymer grafted maleic anhydride POE-g-MAH 12% (Guangzhou Synthetic Chemical Co., Ltd. Produced by the company, brand name 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.), 0.2% zinc stearate (commercially available), masterbatch 1 %(self made).

[0044] The components in the above formula except the PE / PA composite film 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;

[0045] Put the P...

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Abstract

The invention discloses a polyethylene / nylon alloy composite material and a preparation method thereof. The polyethylene / nylon alloy composite material is prepared from the following components in percentage by mass: 20-90% of recycled PE / PA (polyethylene / polyamide) composite membrane, 3-20% of thermoplastic elastic body graft, 5-50% of inorganic filler, 0.1-3% of chain extender, 0.1-1% of antioxidant, 0.1-1% of coupling agent, 0.2-3% of lubricating agent and 0.5-3% of other functional auxiliaries. The recycled waste PE / PA composite membrane is taken as a main raw material, thus the waste material is changed into things of value and resource recycling is realized. The thermoplastic elastic body graft is taken as a compatilizer, compatibility of PE and PA can be obviously improved, a homogeneous system in micro morphology is formed, comprehensive performance and impact toughness of the material are improved, and balanced physical mechanical properties can be obtained. The chain extender is adopted, molecular weight and relative viscosity of nylon can be effectively improved, and the defect that the physical mechanical properties are reduced owning to breaking of a molecular chain in a nylon regenerating process can be effectively avoided. The preparation method is a one-step method, production process is simple, and processing cost is low.

Description

technical field [0001] The invention relates to recycling of waste plastics, in particular to a high-performance alloy material prepared by using recycled polyethylene / nylon composite film 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 film is produced every year, among which polyethylene / nylon (PE / PA) composite film with a large output is recycled due to its poor compatibility between p...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L77/00C08L77/02C08L77/06C08L51/06C08K13/02B29B9/06B29C47/92B29C48/92
Inventor 郝源增郝建鑫任萍袁海兵
Owner GUANGZHOU SUPER DRAGON ENG PLASTICS
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