A kind of preparation method and application of multifunctional ultraviolet absorber

A multifunctional, absorbent technology, applied in fiber type, organic chemistry, fiber treatment, etc., to achieve high dye uptake, good antistatic properties, and good anti-ultraviolet effect.

Active Publication Date: 2018-10-19
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the use of thiadiazole as a parent to develop a multifunctional UV-absorbing finishing agent has not been reported so far.

Method used

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  • A kind of preparation method and application of multifunctional ultraviolet absorber
  • A kind of preparation method and application of multifunctional ultraviolet absorber
  • A kind of preparation method and application of multifunctional ultraviolet absorber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] preparation of

[0040] synthetic route:

[0041]

[0042] Intermediate 1: Synthesis of methyl 4-methoxybenzoate

[0043] Add 80.00g (0.53mol) of 4-methoxybenzoic acid, 107.3ml of methanol, and 10.7ml of concentrated sulfuric acid into a 250ml round bottom flask, install a spherical condenser, heat to reflux, and control the temperature of the oil bath at 90°C React for 4 hours. Slowly pour the solution into ice water equipped with electromagnetic stirring while it is hot, and stir while adding, a white solid precipitates out immediately. Cool, filter with suction, use dilute Na 2 CO 3 The solution was washed until slightly alkaline, then washed with water until neutral, and air-dried in a fume hood to obtain a white ester-like product with a yield of 95%.

[0044] Intermediate 2: Synthesis of 4-methoxybenzohydrazide

[0045] Add 53.15g (0.32mol) methyl 4-methoxybenzoate to a 500ml round bottom flask, reflux 300ml 50% hydrazine hydrate for 4 hours, replace th...

Embodiment 2

[0062] This embodiment is a research on the ultraviolet absorption performance, antibacterial and antistatic performance of the ultraviolet absorber 8, including determining the optimized finishing process, the test structure of ultraviolet absorption performance, antibacterial performance, and antistatic performance test results.

[0063] The test of fabric ultraviolet protection factor UPF: according to the standard of GB / T18830-2002, it is carried out on UV-1000F fabric ultraviolet transmittance analyzer.

[0064] Antibacterial performance test: Quantitative test is carried out with reference to the oscillation method in Appendix D8 of the antibacterial knitwear industry standard FZ / T73023-2006, and the test bacteria are: Gram-positive bacteria - Staphylococcus aureus (ATCC6538) and Gram-negative bacteria - Escherichia coli (ATCC8099).

[0065] Determination of surface specific resistance of the fabric: after placing the tested fabric in an environment of 20°C and a relativ...

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PUM

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Abstract

The invention relates to a preparation method and application of a multifunctional ultraviolet absorbent for terylene. The general structural formula of the absorbent is as follows: formula, wherein Y is a quaternary ammonium salt group. According to the preparation method and application of the multifunctional ultraviolet absorbent for terylene disclosed by the invention, the dyeing mode of the ultraviolet absorbent to terylene is similar to disperse dyes, and fabrics can be subjected to anti-ultraviolet finishing by using a high-temperature and high-pressure exhausting method and can also be dyed with the disperse dyes in the same bath; the finished fabrics not only have good anti-ultraviolet properties, but also have the effects of killing or inhibiting Gram-positive bacteria and Gram-negative bacteria represented by staphylococcus aureus and Escherichia coli; and meanwhile, the fabrics have good anti-static function.

Description

technical field [0001] The invention belongs to the field of ultraviolet absorbers, in particular to a preparation method and application of a multifunctional ultraviolet absorber. Background technique [0002] With the development of society and the improvement of living standards, people's requirements for textiles have begun to change to multi-functional functions such as comfort, beauty and functional health care. At present, one of the main methods for endowing fabrics with multifunctionality is to perform multiple post-finishing on fabrics. However, due to many problems in compatibility among various single-functional finishing agents, it is difficult to perform them in the same bath. This not only complicates the finishing process, but also increases the production cost, and the multifunctionality of the fabric is also difficult to guarantee. [0003] Ultraviolet light is light with a wavelength in the ultraviolet region (180-400nm). According to the wavelength range...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D285/12D06M13/473D06M101/32
CPCC07D285/12D06M13/473D06M2101/32
Inventor 陶永新彭勇刚纪俊玲汪媛
Owner CHANGZHOU UNIV
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