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Modified polyvinyl resin

A polyethylene resin and modification technology, applied in the field of modified polyethylene resin, can solve the problems of low flame retardant coefficient, high cost, poor rigidity of polyethylene resin, etc., and achieve high flame retardant coefficient, high strength and impact resistance. Will drop, high stiffness effect

Inactive Publication Date: 2007-09-05
刘鹰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the poor rigidity and low flame retardant coefficient of polyethylene resin, if modified according to conventional methods, the cost is higher compared with other resins

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] A preferred embodiment of the present invention is described below.

[0015] formula

[0016] Adopt following formula (parts by weight) in the present embodiment:

[0017] Polyethylene resin 100

[0018] Ultrafine Active CaCO 3 30

[0019] Coupling agent 2

[0020] Coupling agent auxiliary agent 1

[0021] Lubricant 0.5

[0022] In the above formula, commercially available TTS is selected as the coupling agent, ON330 is selected as the auxiliary coupling agent, and natural paraffin is selected as the lubricant.

[0023] The resin formulated above is placed in an extruder and extruded to obtain plastic products such as pipes. The extrusion process used is the same as that of ordinary polyethylene. After testing, its performance is as follows:

[0024] Charpy impact strength (23℃; notch) is 5.00KJ / CM 2 ; The tensile strength is 27.5MPa; the elongation is 300%; the bending strength is 60MPa, all of which are measured by the national standard test method....

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PUM

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Abstract

A modified polythene resin consists of superfine filler particle with grain size 0.1-5.0mum15-40 proportion and coupling agent 0.1-5 proportion. It is cheap, has high flame-retardant coefficient, rigidity and hardness and can be used for architectural materials.

Description

technical field [0001] The invention relates to a modified polyethylene resin. Background technique [0002] With the sustained and stable growth of my country's national economy and the acceleration of urbanization, urban infrastructure, such as cable sheaths, tap water, gas, drainage and sewage pipes, etc., are related to the protection of the ecological environment and the vital interests of the masses. In recent years, in the field of construction engineering, more and more plastic pipes are used. The plastic pipe has the characteristics of low cost, light weight, convenient installation, good corrosion resistance and long service life. Commonly used plastics include polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), and the like. [0003] Among polyethylene resins, in addition to ordinary polyethylene, linear low-density polyethylene (LLDPE), very low-density polyethylene (VLDPE) and ultra-high molecular weight polyeth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K5/56C08K3/26C08L91/06
Inventor 刘鹰
Owner 刘鹰
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