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Medical antibacterial toughened antistatic polypropylene composite material and preparation method thereof

A composite material and polypropylene technology, which is applied in the field of polymer material preparation, can solve problems such as static electricity accumulation, poor conductivity of PP materials, and melt fracture

Active Publication Date: 2016-08-17
JIANGSU KANGFEITE POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has good anti-acid and anti-alkali ability and strong anti-organic solvent ability, but it is prone to melt rupture when the operating temperature is low during operation, and it is easy to age during the oxidation process. In addition, due to the poor conductivity of PP materials, static electricity can not flow, resulting in the accumulation of static electricity

Method used

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  • Medical antibacterial toughened antistatic polypropylene composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Preparation of raw materials for granulation: Weigh 90 parts of copolymer grade PP resin with a melting point of 170° C. or higher and a melt index of 8 in parts by weight; 5 parts of inorganic antibacterial agent; 3 parts of ethoxylated alkylamine antistatic agent, 1 part of 2-hydroxy-4-n-octyloxybenzophenone ultraviolet absorber, 5 parts of ethylene propylene rubber, 1.5 parts of phosphating titanate coupling agent, and put into a high-speed mixer and mix for 10 minutes, high-speed mixing The rotating speed of machine is 10r / s, obtains the raw material for granulation;

[0027] The obtained raw materials for granulation are put into a twin-screw extruder and melted and extruded to obtain a medical antibacterial toughened antistatic polypropylene composite material. Zone 205°C, Zone 3 210°C, Zone 4 210°C, Zone 5 205°C, Zone 6 190°C.

Embodiment 2

[0029] Preparation of raw materials for granulation: Weigh 89 parts of copolymer grade PP resin with a melting point above 170°C and a melt index of 8 in parts by weight; 5.5 parts of inorganic antibacterial agent and 3.5 parts of ethoxylated alkyl antistatic agent , 1.5 parts of 2-hydroxy-4-n-octyloxybenzophenone ultraviolet absorber, 5.5 parts of ethylene propylene rubber, 1.6 parts of phosphating titanate coupling agent, and put into a high-speed mixer for 10 minutes and mix at a high speed. The rotating speed of feeder is 10r / s, obtains the raw material for granulation.

[0030] The obtained raw materials for granulation are put into a twin-screw extruder and melted and extruded to obtain a medical antibacterial toughened antistatic polypropylene composite material. Zone 205°C, Zone 3 210°C, Zone 4 210°C, Zone 5 205°C, Zone 6 190°C.

Embodiment 3

[0032] Preparation of raw materials for granulation: Weigh 88 parts of copolymer grade PP resin with a melting point above 170°C and a melt index of 8 in parts by weight; 5.5 parts of inorganic antibacterial agent and 3.5 parts of ethoxylated alkyl antistatic agent , 1.5 parts of 2-hydroxy-4-n-octyloxybenzophenone ultraviolet absorber, 5.5 parts of ethylene propylene rubber, 1.7 parts of phosphating titanate coupling agent, and put into a high-speed mixer for 10 minutes and mix at a high speed. The rotating speed of feeder is 10r / s, obtains the raw material for granulation.

[0033] The obtained raw materials for granulation are put into a twin-screw extruder and melted and extruded to obtain a medical antibacterial toughened antistatic polypropylene composite material. Zone 205°C, Zone 3 210°C, Zone 4 210°C, Zone 5 205°C, Zone 6 190°C.

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Abstract

The invention discloses a medical antibacterial, toughened and antistatic polypropylene composite material. The components by weight include: 85-90 parts of copolymerization grade PP resin, 5-7 parts of antibacterial agent, 3-5 parts of antistatic agent, anti-ultraviolet agent 1-2 parts of agent, 5-7 parts of toughening agent, 1.5-2 parts of coupling agent, and its preparation method comprises the following steps: take copolymer grade PP resin, antibacterial agent, antistatic agent, anti-ultraviolet agent agent, toughening agent, coupling agent, and put into high-speed mixer for mixing to obtain the raw material for granulation; put the raw material for granulation into the twin-screw extruder to melt and extrude to obtain medical antibacterial toughened antistatic polypropylene compound Material. The performance indicators of the medical antibacterial toughened antistatic polypropylene composite material obtained by the preparation method provided by the present invention: the tensile strength is greater than 25MPa, the cantilever depth is 122, the impact strength is greater than 68kg / ㎡, the antibacterial rate is more than 98%, and the antistatic resistance The value is greater than 10Ω, and the melting index is greater than 4.

Description

technical field [0001] The invention belongs to the field of polymer material preparation, and in particular relates to a medical antibacterial toughened antistatic polypropylene composite material and a preparation method thereof. Background technique [0002] Polypropylene (PP) is an important engineering plastic, which is widely used in various fields such as automobile industry, equipment, medical treatment, electrical appliances, and daily consumer goods. It has good anti-acid and anti-alkali ability and strong anti-organic solvent ability, but it is prone to melt rupture when the operating temperature is low during operation, and it is easy to age during the oxidation process. In addition, due to the poor conductivity of PP materials, The static electricity can not flow, resulting in the accumulation of static electricity. Contents of the invention [0003] The purpose of the present invention is to overcome the above disadvantages and provide a medical antibacteria...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/14C08K9/12C08K3/08C08K5/132B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704C08L23/14C08L2201/04C08L23/16C08K13/06C08K9/12C08K2003/0806C08K5/132B29B7/46B29B7/72B29B7/7461B29B9/06B29B9/12B29C48/04B29C48/40B29C2948/92895
Inventor 蒋建华
Owner JIANGSU KANGFEITE POWER TECH