Polypropylene composite material

A composite material and polypropylene technology, applied in the field of functionalized polypropylene composite materials, can solve problems such as mutagenesis, lung tissue damage, and syringe damage, and achieve the effects of excellent processing fluidity, low production cost, and easy processing.

Inactive Publication Date: 2009-09-02
SHANDONG WEIGAO GROUP MEDICAL POLYMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of syringe has the following problems: (1) Polypropylene has poor low temperature resistance, so the large-scale syringes produced have serious damage during transportation in cold winter; (2) the silicone oil that needs to be sprayed on the inner wall of the syringe jacket will be in the form of particles (3) The sterilized syringe will inevitably have residues of ethylene oxide. Studies have shown

Method used

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Embodiment Construction

[0010] Below in conjunction with embodiment the present invention will be further described: but the scope of the present invention is not limited to these embodiments.

[0011] A kind of polypropylene composite material of the present invention, it is to take polypropylene (PP) as main raw material, take toughening agent, silver-loaded nanometer antibacterial agent, lubricant as the functionalized modified material prepared by adding modifier, each in the composition 100 parts by weight of polypropylene (PP) contain 1-25 parts of toughening agent, 0.1-2 parts of silver-loaded nano antibacterial agent, and 1-5 parts of lubricant.

[0012] The toughening agent in the present invention is metallocene polyethylene or thermoplastic elastomer. They have a lower glass transition temperature and embrittlement temperature, and use the craze-shear band toughening mechanism to greatly improve the low temperature resistance of polypropylene. The silver-loaded nano antibacterial agent is...

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Abstract

The invention relates to a polypropylene composite material, which is a functional modified material prepared by using polypropylene (PP) as a main material and using toughening agent, silver-supported nano antibacterial agent and lubricating agent as additive modifying agent. In the formulation, each 100 portions of polypropylene (PP) by weight contain 1 to 25 portions of the toughening agent, 0.1 to 2 portions of the silver-supported nano antibacterial agent, and 1 to 5 portions of the lubricating agent. The toughening agent is metallocene polyethylene, the silver-supported nano antibacterial agent is silver-supported nano titanium dioxide or silver-supported nano zinc oxide, and the lubricating agent is erucyl amide or glycerol stearate or oleic amide. The low-temperature toughness of a base material is improved by toughening and modifying, the use of epoxy ethane is reduced or avoided by adding proper antibacterial agent, and the self-lubricating property of the material is improved by adding a surface lubricating material. The composite material has the advantages of reasonable formulation and stable property; and a prepared medical injector has the functions of low temperature resistance, bacteria resistance and self lubrication.

Description

technical field [0001] The invention relates to a polymer material, in particular to a functionalized polypropylene composite material. The composite material is suitable for preparing a disposable functional syringe, which has the functions of low temperature resistance, antibacterial and self-lubricating. Background technique [0002] We know that the disposable syringes used in the medical field at home and abroad are mainly made of polypropylene resin and natural rubber materials. The inner wall of the syringe jacket must be sprayed with silicone oil to improve lubricity, and the finished product must be sterilized with ethylene oxide before use. This type of syringe has the following problems: (1) Polypropylene has poor low temperature resistance, so the large-scale syringes produced have serious damage during transportation in cold winter; (2) the silicone oil that needs to be sprayed on the inner wall of the syringe jacket will be in the form of particles (3) The st...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08K13/02C08K5/103C08K5/20C08K3/10C08K3/08C08K3/22
Inventor 李忠志夏欣瑞唐雷汤飞
Owner SHANDONG WEIGAO GROUP MEDICAL POLYMER
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