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

Processing method for providing anti-wrinkle function to cellulose fiber based on supercritical CO2 fluid technology

A cellulose fiber and fluid technology technology, which is applied in the processing field of cellulose fiber with anti-wrinkle function based on supercritical CO2 fluid technology, can solve the problems of relatively low content of functional content, complicated finishing process, single function, etc. Good sustained release effect, good hand feel, and the effect of increasing the effective volume

Active Publication Date: 2018-12-18
SUZHOU UNIV +2
View PDF6 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing development of cosmetic textiles generally adopts chemical finishing methods including coating co-extrusion method, composite finishing method, complexation method, etc. (Handbook of Medical Textiles, 2011, 153). These methods all involve chemical reactions and can There are few types of functional substances that can be reliably applied (mainly limited to hydrophilization and other processing), and the finishing process is relatively complicated, with a single function, which cannot form a long-lasting and controllable slow-release effect
Relatively speaking, the microcapsule technology can control the release, and can prepare many types of functional drugs, but it needs to wrap the functional drugs in the encapsulation material, which involves various physical and chemical reactions. material and particle size are required ("Knitting Industry", 2017 (09): 5-7), and the composition of the capsule is mainly composed of wall thickness, the relative content of functional content is very small, and the capsule is bonded by resin On fiber products, it will affect the feel of textiles

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Processing method for providing anti-wrinkle function to cellulose fiber based on supercritical CO2 fluid technology
  • Processing method for providing anti-wrinkle function to cellulose fiber based on supercritical CO2 fluid technology
  • Processing method for providing anti-wrinkle function to cellulose fiber based on supercritical CO2 fluid technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1: Supercritical CO 2 Method for fluid loading anti-wrinkle drug galacturonic acid to viscose fiber

[0035] First, wash the viscose fabric with ethanol and deionized water, dry and balance for 24 hours, weigh galacturonic acid according to 10% of the viscose fabric weight, prepare 30% ethanol solution with water, and then prepare 0.05mol / LAOT / ethanol solution, put into a clean container to prepare a microemulsion.

[0036] Put the prepared microemulsion into the medicine tank of the high-pressure equipment, and then put it into the viscose fabric. Cool the CO 2 The gas CO flowing out of the cylinder 2 Cooled into liquid, the pressure of the high-pressure equipment is set at 27MPa, the temperature is 45°C, CO 2 After changing to a supercritical fluid, immersing and balancing for 3.5 hours, the experiment ended, and viscose fibers loaded with galacturonic acid were obtained. The drug loading of viscose fiber is 8.2%.

[0037] In order to analyze the susta...

Embodiment 2

[0040] Example 2: Supercritical CO 2 Method of Fluid Loading Anti-wrinkle Drug Alanine to Hemp Fiber

[0041] Weigh an appropriate amount of hemp fiber, soak it in a 14% NaOH aqueous solution for 70 minutes at a bath ratio of 1:30, and keep the temperature of the water bath at 10°C. After the end, take out the hemp fiber.

[0042] After the hemp fiber is washed with ethanol and deionized water, it is dried and balanced for 24 hours and weighed, and alanine is weighed according to 9.5% of the weight of the hemp fiber, and a 50% ethanol solution is prepared with water, and then a 0.08mol / L AOT / ethanol solution is prepared , put into a clean container to prepare a microemulsion.

[0043] Put the prepared microemulsion into the medicine tank of the high-pressure equipment, and then put the hemp fiber. Use a cooling tank to cool the carbon dioxide gas flowing out of the carbon dioxide cylinder into a liquid. The pressure of the high-pressure equipment is set to 29Mpa, the tempera...

Embodiment 3

[0047] Example 3: Supercritical CO 2 Method of Fluid Loading Anti-wrinkle Drug Xanthorrhizol to Modal Fiber

[0048] First, take an appropriate amount of modal fabric and wash it with ethanol and deionized water, dry and balance for 24 hours and weigh it. Take xanthorrhizol according to the weight of modal fabric at 7.0%, put it into the medicine tank of the high-pressure equipment, and add modal fabric weight 0.12 % methanol, then put into the modal fabric. The gaseous carbon dioxide flowing out of the carbon dioxide cylinder is cooled into liquid by cooling tank.

[0049] The pressure of the high-pressure equipment is first set to 10Mpa, the temperature is 90°C, and the carbon dioxide becomes a supercritical fluid. After immersion balance for 10 minutes, the pressure rises to 25MPa at a speed of 0.8MPa / min; Descending until the end of the experiment yielded modal fibers loaded with the anti-wrinkle drug xanthorrhizol. The drug loading of modal fiber is 6.2%.

[0050] In ...

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

PropertyMeasurementUnit
quality scoreaaaaaaaaaa
Login to View More

Abstract

The invention relates to a processing method for providing an anti-wrinkle function to cellulose fiber based on a supercritical CO2 fluid technology. The method comprises the following steps: 1) pre-swelling or pretreating is carried out on the cellulose fibers; 2) auxiliaries are added to increase the solubility of anti-wrinkle drugs in supercritical CO2 fluids, and the hydrophilic anti-wrinkle drugs insoluble in the supercritical CO2 can be directly dissolved in the supercritical CO2 by employing a supercritical microemulsion / anti-micelles method; 3) the anti-wrinkle drugs are added to a medicine tank of high-pressure equipment, the air is removed, the CO2 is introduced, and the pressure in a container is raised to 8-30 MPa at 32-120 DEG C to obtain the supercritical CO2 fluid, so that the cellulose fiber is immersed in the supercritical CO2; and 4) the anti-wrinkle drug enters the pre-swollen cellulose fiber by dissolving in the supercritical CO2 fluid, and continuous relative movement between the drug-loaded supercritical CO2 and the cellulose fiber is carried out, after the pressure is released, the anti-wrinkle drug stays in an amorphous region of the cellulose fiber, and thedrug-loaded cellulose fiber for slow release can be formed.

Description

technical field [0001] The present invention relates to a processing method based on supercritical fluid technology to make cellulose fibers functional, more particularly to a method based on supercritical CO 2 Fluid technology makes cellulose fibers have anti-wrinkle processing methods. Background technique [0002] In recent years, with the continuous improvement of people's quality of life, people's demand for clothing has become more and more diversified, for example, from the initial cold-proof and warm-keeping to the later beauty and fashion. Increase. Existing functional clothing mainly focuses on waterproof, UV-proof, breathable, antistatic, moisture-absorbing and quick-drying, quick-perspiration, sun-proof, mosquito-proof and other functions. Combining with textiles to develop characteristic cosmetic textiles, such as textiles with moisturizing, cooling, antibacterial, anti-inflammatory, slimming, anti-wrinkle and other functions, used in people's daily wear, will...

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 Applications(China)
IPC IPC(8): D06M23/00D06M23/10D06M13/207D06M13/342D06M15/01D06M13/144D06M101/06
CPCD06M13/144D06M13/207D06M13/342D06M15/01D06M23/00D06M23/10D06M2101/06D06M2200/20
Inventor 朱维维王红星龙家杰肖红施楣梧
Owner SUZHOU 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