Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for preparing medical dressing of non-woven fabrics by wet-process blending chitosan and silk fibrino

A technology of chitin fiber and silk fiber, which is applied in the field of preparation of chitin and silk fiber blended wet-laid non-woven medical dressings, which can solve the problem of poor air permeability, low moisture retention, high production cost, and poor antibacterial function and other problems, to reduce the pain of changing the dressing, the production method is simple, and the effect of less adhesion

Inactive Publication Date: 2010-10-13
ZHEJIANG SCI-TECH UNIV
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, silk fibroin film and its composite have poor antibacterial function, poor air permeability and moisture retention, and high production cost, which affects its application.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Take 12 parts of chitin fiber and 8 parts of silk fiber, add 200 parts of deionized water, beating for 30 minutes, add 0.04 of gelatin, continue to disintegrate, homogenize, and make it into the Internet at a speed of 20 m / min, and enter into 60 ℃ multi-stage drying tunnel After drying, a product with a moisture content of <10% and 30 g / m2 is obtained.

Embodiment 2

[0016] Take 18 parts of chitin fiber and 2 parts of silk fibroin, add 300 parts of deionized water, beating for 30 minutes, add xanthan gum 0.01 to continue to disintegrate, homogenize, paper-making at a speed of 10 m / min, and forming on the Internet, and multi-stage drying at 60℃ After drying, a product with a moisture content of <10% and 40 g / m² is obtained.

Embodiment 3

[0018] Take 10 parts of chitin fiber and 10 parts of silk fiber, add 400 parts of deionized water, beating for 30 minutes, add polyacrylamide 0.1, continue to disintegrate, homogenize, and make it into the Internet at a speed of 20 m / min. Dry in the drying tunnel to obtain a product with a moisture content of <10% and 50 g / m2.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A medical dressing material for stopping hemorrhage, preventing infection of wound and promoting healing is proportionally prepared from chitin fibers and silk protein fibers through mixing, adding deionized water, stirring to become pulp, adding water- soluble high-molecular material, fluffing, homogenizing, wet shaping, and baking.

Description

Technical field [0001] The invention relates to a preparation method of a wet-laid non-woven fabric medical dressing blended with chitin and silk fibroin. Background technique [0002] As a natural polymer material, chitin has no toxic and side effects to the human body. It also has broad-spectrum antibacterial, anti-infective and hemostatic effects, as well as physiological activities such as promoting wound healing and enhancing human immunity. It is safe and comparable to sucrose. Functional natural polymer materials. [0003] In developed countries such as Europe, America and Japan, chitin materials and their derivatives have been widely used in the medical and health fields. For example, the surgical suture thread produced by DuPont in the United States does not need to be removed after the wound is cured; the United States Patent US6197322 coats the nonwoven fabric with a solution containing chitin / chitosan, and the coated nonwoven fabric is treated with a solution containin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): A61L15/28
Inventor 刘羿君封云芳
Owner ZHEJIANG SCI-TECH UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com