Method for preparing yew leaf extract by using high-pressure micro jet and method for applying yew leaf extract to fabrics

A high-pressure micro-jet, yew leaf technology, applied in the field of high-pressure micro-jet preparation of yew leaf extract and its application on fabrics

Active Publication Date: 2012-07-04
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the application of yew leaves on textiles h

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] After sorting and selecting the yew leaves and removing impurities, wash and dry them, and use a micro-plant pulverizer to preliminarily crush them; weigh 10g of yew leaf powder that is preliminarily crushed, add 200mL of 95% ethanol to soak, stir evenly and use high pressure The high-shear micro-jet pulverizer is processed at a homogeneous pressure of 100MPa, the number of micro-jet cycles is 30, and finally leached at 40°C for 60 minutes. After filtration and centrifugation, a clarified yew leaf extract is obtained, which is obtained after vacuum concentration. Paste extract.

Embodiment 2

[0018] The preparation mass fraction is the acrylic acid solution of 70%, adds 2% photoinitiator 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, puts into the padding of cotton fabric, makes the rate of squeeze out 100%, The treated fabric was put into a UV radiation device for treatment for 3 minutes, and finally the fabric was washed with boiling water and deionized water respectively and dried to obtain a fabric grafted with ultraviolet light to acrylic acid.

Embodiment 3

[0020] In 50mL of dichloromethane solution, add 5g of yew leaf paste extract, 0.2g of condensing agent dicyclohexylcarbodiimide and 0.1g of catalyst 4-dimethylaminopyridine, dissolve and mix well, then put 1g of dry The modified fabric was cooled to 0°C and reacted for 24 hours, then the fabric was taken out, washed with dilute acetic acid solution, finally washed with clear water and then dried to obtain the finished fabric with yew leaf extract.

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Abstract

The invention relates to a method for preparing yew leaf extract by using high-pressure micro jet and a method for applying yew leaf extract to fabrics, which belong to the technical field of textile chemistry and are characterized by comprising utilizing yew leaves to serve as raw materials, preprocessing and preliminarily grinding the yew leaves, adding 95% of ethanol into the yew leaves, processing the mixture in a high-pressure high-shear micro jet grinder, then performing digestion and vacuum concentration to obtain the yew leaf extract, performing esterification between the yew leaf extract and ultraviolet grafted acrylic fabrics in the presence of condensing agents, and then obtaining fabrics with a certain health care function.

Description

technical field [0001] The invention belongs to the technical field of textile chemistry, and in particular relates to a method for preparing yew leaf extract by high-pressure micro-jet and applying it to fabrics. Background technique [0002] Yew is an evergreen coniferous tree with inconspicuous main roots and well-developed lateral roots. It is an endangered and rare plant in the world and is known as "plant gold". Annual yew, branchlets green, yellow-green or light brown in autumn; 2-3 year old yew, branchlets yellowish brown, light reddish brown or brown. The leaves grow in a spiral shape, the base is twisted and arranged in two rows, strip-shaped, slightly curved, the upper part is dark green, and the lower part is light yellow-green. There are 4 species and 1 variety of yew in my country, which are distributed in most parts of China and are national first-class protected plants. [0003] Taxus is a natural resource of anticancer drugs. The chemical components extra...

Claims

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Application Information

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IPC IPC(8): D06M14/22D06M13/00D06M15/03D06M13/322D06M101/06
Inventor 王潮霞彭丽媛周文江蒋春熬
Owner JIANGNAN UNIV
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