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Nano polyethylene composite material and preparation method thereof

A technology of composite materials and polyethylene, applied in the field of nano-polyethylene composite materials and its preparation, can solve the problems of flammability and insufficient impact toughness of pure polyethylene, and achieve the effects of improved rigidity, excellent comprehensive performance and low cost

Inactive Publication Date: 2014-06-11
QINGDAO SANLI ZHONGDEMEI WATER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pure polyethylene has shortcomings such as insufficient impact toughness and easy combustion. Therefore, in order to improve performance, it is usually necessary to blend and modify polyethylene materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A nano-polyethylene composite material, the components of which are: 70% polyethylene resin, 10% nano-silica with an average particle size between 10nm and 100nm, 18% organophosphorus flame retardant, Calcium stearate 0.2%, polyethylene wax 1%, the compound of primary antioxidant 1010 and secondary antioxidant 168 0.6%, colorant 0.2%.

[0015] Preparation method: Weigh nano silicon dioxide and calcium stearate according to the weight ratio, add it into an ultrasonic oscillator or high-speed mixer, and stir at 100°C-150°C for 20-60 minutes to disperse evenly. Then cool to below 40°C, and then add polyethylene resin, organophosphorus flame retardant, polyethylene wax, primary antioxidant 1010 and secondary antioxidant 168 compound and color Continue mixing for 10-30 minutes, then put the mixed material into the twin-screw extruder, control the screw speed at 200-500 rpm, and the barrel temperature at 180°C-240°C, extrude through the twin-screw extruder Go out granulation...

Embodiment 2

[0017] A nano-polyethylene composite material, the components of which are: 60% polyethylene resin, 12% nano-calcium carbonate with an average particle size between 10nm and 100nm, 25% organic phosphorus flame retardant, hard Magnesium Fatty Acid 0.3%, TAS-2A

[0018] 1.5%, 0.9% of the compound of primary antioxidant 1010 and secondary antioxidant 168, and 0.3% of colorant.

[0019] Preparation method: Weigh the nano-calcium carbonate and magnesium stearate according to the weight ratio, add it into an ultrasonic oscillator or a high-speed mixer, stir at 100°C-150°C for 20-60 minutes to disperse evenly, and then Cool to below 40°C, and then add polyethylene resin, organophosphorus flame retardant, TAS-2A, primary antioxidant 1010 and secondary antioxidant 168 compound and colorant weighed in proportion , continue mixing for 10-30 minutes, and then put the mixed material into the twin-screw extruder, control the screw speed at 200-500 rpm, the barrel temperature at 180°C-240°C...

Embodiment 3

[0021] A nano-polyethylene composite material, the components of which are: 5% of polyethylene resin, 5% of nano-silicon nitride and silicon carbide compound with an average particle size between 10nm and 100nm, and organophosphorus Flame retardant 18%, alkylate 0.1%, ethylene bis stearamide 1.5%, antioxidant 1076 and antioxidant JC-242 compound 0.4%.

[0022] Preparation method: weigh the compound of nano-silicon nitride and silicon carbide and alkylate according to the weight ratio, add it into an ultrasonic oscillator or a high-speed mixer, and stir at a temperature of 100°C-150°C for 20-60 Minutes to disperse evenly, then cool to below 40°C, then add polyethylene resin, organophosphorus flame retardant, ethylene bisstearamide, primary antioxidant 1010 and auxiliary antioxidant For the compound of oxygen agent 168, continue to mix for 10-30 minutes, then put the mixed material into the twin-screw extruder, control the screw speed at 200-500 rpm, and the barrel temperature a...

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Abstract

The invention discloses a nano polyethylene composite material and a preparation method thereof. The nano polyethylene composite material comprises the following components in percentage by mass: 60-75% of polyethylene resin, 5-15% of nano particles, 18-25% of halogen-free flame retardant, 0.1-0.3% of surface treating agent, 0.2-1.5% of lubricant, 0.1-1% of antioxidant, and 0-0.5% of pigment. The nano polyethylene composite material disclosed by the invention has the beneficial effects that the nano particles and the polyethylene resin are blended together, and a proper amount of halogen-free flame retardant, surface treating agent and the like are added, so that the rigidity, heat resistance and stability of the material are greatly improved, and the effects of increasing the flexibility, increasing the strength and keeping relatively good strength can be achieved; moreover, the halogen-free flame retardant has smoke-suppressing, nontoxic and environment-friendly high flame retarding efficiency, and is excellent in comprehensive performance, good in processing performance and low in cost.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a nano-polyethylene composite material and a preparation method thereof. Background technique [0002] Due to its light weight and non-toxicity, polyethylene has the advantages of excellent dielectric properties, chemical stability and corrosion resistance, and is cheap and easy to form and process. It can be widely used in electrical appliances, chemicals, food, machinery, packaging and other industries. However, pure polyethylene has disadvantages such as insufficient impact toughness and flammability. Therefore, in order to improve performance, polyethylene materials usually need to be blended and modified. With the widespread promotion of nanotechnology, nanomaterials are considered to be the most promising materials in the 21st century, and have become a worldwide research boom. Therefore, the preparation of a nano-polyethylene composite material has a good applica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K13/06C08K9/04C08K3/36C08K3/26C08K3/34
CPCC08L23/06C08K3/26C08K3/34C08K5/098C08K5/20C08K9/04C08K13/06C08K2003/265C08K2201/003C08K2201/011C08K2201/014C08L2201/02C08L2201/22
Inventor 夏伟光杨涛
Owner QINGDAO SANLI ZHONGDEMEI WATER EQUIP
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