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Durable antibacterial injection molding material for medical parts

A durability and device technology, applied in the field of medical injection molding materials, to achieve the effect of broad market prospects, excellent comprehensive mechanical properties, and excellent broad-spectrum antibacterial properties

Inactive Publication Date: 2018-01-16
苏州创新达成塑胶模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem mainly solved by the present invention is to provide a durable antibacterial injection molding material for medical components, which can solve the above-mentioned deficiencies existing in existing materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A durable antibacterial injection molding material for medical components, comprising the following components in parts by weight: 30 parts of polycarbonate, 40 parts of ABS resin, 15 parts of medical grade polyvinyl alcohol, 5 parts of octenyl starch succinate, citric acid 5 parts of ester, 20 parts of nano-reinforced filler, 10 parts of antibacterial masterbatch, 3 parts of stabilizer, 3 parts of dispersant and 1 part of flux.

[0017] Wherein, the antibacterial masterbatch is an extrudate mixed with a composite antibacterial agent, ABS resin and polycarbonate at a mass ratio of 5:2:1.

[0018] The composite antibacterial agent comprises nano-silver oxide, nano-titanium dioxide, polyhexamethylene guanidine phosphate, chitin and cassia seeds with a mass ratio of 3:3:2:5:1.

[0019] The nano-reinforcing filler includes nano-calcium carbonate and nano-silicon dioxide with a mass ratio of 2:3.

[0020] The stabilizer is a rare earth stabilizer, and the dispersant and flu...

Embodiment 2

[0022] A durable antibacterial injection molding material for medical components, comprising the following components in parts by weight: 45 parts of polycarbonate, 50 parts of ABS resin, 25 parts of medical grade polyvinyl alcohol, 15 parts of octenyl starch succinate, citric acid 8 parts of ester, 25 parts of nano-reinforced filler, 20 parts of antibacterial masterbatch, 5 parts of stabilizer, 5 parts of dispersant and 3 parts of flux.

[0023] Wherein, the antibacterial masterbatch is an extrudate mixed with a composite antibacterial agent, ABS resin and polycarbonate at a mass ratio of 10:3:2.

[0024] The composite antibacterial agent comprises nano-silver oxide, nano-titanium dioxide, polyhexamethylene guanidine phosphate, chitin and cassia seeds with a mass ratio of 5:5:3:10:3.

[0025] The nano-reinforcing filler includes nano-calcium carbonate and nano-silicon dioxide with a mass ratio of 3:5.

[0026] The stabilizer is a rare earth stabilizer, and the dispersant and...

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PUM

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Abstract

The invention discloses a durable antibacterial injection molding material for medical parts. The durable antibacterial injection molding material is prepared from the following components in parts byweight: 30 to 45 parts of polycarbonate, 40 to 50 parts of ABS (acrylonitrile butadiene styrene) resin, 15 to 25 parts of medical grade polyvinyl alcohol, 5 to 15 parts of octenyl succinic acid modified starch, 5 to 8 parts of citrate, 20 to 25 parts of nanometer reinforcing filler, 10 t 20 parts of antibacterial masterbatch, 3 to 5 parts of a stabilizer, 3 to 5 parts of a dispersing agent and 1to 3 parts of a fluxing agent. According to the durable antibacterial injection molding material for the medical parts, disclosed by the invention, a scientific formula design endows the obtained injection molding material with the advantages of excellent broad-spectrum antibacterial properties and good antibacterial durability as well as excellent comprehensive mechanical properties and broad market prospects after being prepared into the medical part.

Description

technical field [0001] The invention relates to the field of medical injection molding materials, in particular to a durable antibacterial injection molding material for medical components. Background technique [0002] Medical components are used in related fields such as the rehabilitation of patients, so the performance requirements are relatively strict. The antibacterial performance is also a particularly important aspect, which can ensure the safety of the use of medical parts, effectively reduce the chance of germ transmission or infection, and thus protect the health of patients. [0003] The existing medical device or material has no obvious improvement and requirements for antibacterial performance, and its antibacterial performance is general or low in durability, which cannot meet the requirements for the use of medical components. Contents of the invention [0004] The technical problem mainly solved by the present invention is to provide a durable antibacter...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L69/00C08L29/04C08L3/06C08L5/08C08K13/02C08K3/22C08K5/00C08K5/11C08K3/26C08K3/36
Inventor 顾喜春
Owner 苏州创新达成塑胶模具有限公司
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