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Biological modification method of dacron fabrics

A polyester fabric, biological modification technology, applied in the direction of microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve the problems of high crystallinity and glass transition temperature, and the modification effect is not obvious, and achieve obvious effects, The effect of ingenious design and simple process

Inactive Publication Date: 2012-01-04
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the specificity of lipase, its modification effect on polyester fabrics is limited to the hydrolysis of ester bonds, coupled with the tight chemical structure of polyester, high crystallinity and glass transition temperature, the modification effect is not obvious
Within the scope of the applicant's search, there is no report on the use of polyester monomers containing benzene rings as an inducing substrate to induce Comamonas testosteroni to produce oxidase-modified polyester fabrics

Method used

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  • Biological modification method of dacron fabrics
  • Biological modification method of dacron fabrics
  • Biological modification method of dacron fabrics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Using 1g / L terephthalic acid as the induction substrate, Comamonas testosteroni was used to biomodify the polyester fabric.

[0033]Cultivate Comamonas testosteroni in a slant solid medium at 30°C for 12 hours, and store it in a refrigerator at 4°C for later use; prepare 6 parts of 150ml polyester modified polyester with a terephthalic acid concentration of 1g / L according to the composition of the liquid medium. and put them into 500ml Erlenmeyer flasks, wrap and sterilize (121°C, sterilize for 25 minutes), and cool down for later use; put 6 parts of polyester fabrics to be modified in a sterile operating table, sterilize with ultraviolet light for 0.5h, and wait for use; transfer the bacteria in the slant culture medium to 3 parts of the prepared polyester modified solution; add 3 parts of the polyester fabric to be modified into the modified solution of 3 parts of the transferred bacteria, and Add 3 parts of fabrics to 3 parts of the modified solution of untransferred...

Embodiment 2

[0038] Using 2g / L terephthalic acid as the induction substrate, Comamonas testosteroni was used to biomodify the polyester fabric.

[0039] Cultivate Comamonas testosteroni at 34°C in a slant solid medium for 15 hours, and store it in a refrigerator at 4°C for later use; prepare 6 parts of 150ml polyester modified polyester with a terephthalic acid concentration of 2g / L according to the composition of the liquid medium. and put them into 500ml Erlenmeyer flasks, wrap and sterilize (121°C, sterilize for 25 minutes), and cool down for later use; put 6 parts of polyester fabrics to be modified in a sterile operating table, sterilize with ultraviolet light for 0.5h, and wait for use; transfer the bacteria in the slant culture medium to 3 parts of the prepared polyester modified solution; add 3 parts of the polyester fabric to be modified into the modified solution of 3 parts of the transferred bacteria, and Add 3 parts of fabrics to 3 parts of the modified solution of untransferre...

Embodiment 3

[0044] Using 3g / L terephthalic acid as the induction substrate, Comamonas testosteroni was used to biomodify the polyester fabric.

[0045] Cultivate Comamonas testosteroni in a slant solid medium at 37°C for 18 hours, and store it in a refrigerator at 4°C for later use; according to the composition of the liquid medium, prepare 6 parts of 150ml polyester modified polyester with a terephthalic acid concentration of 3g / L and put them into 500ml Erlenmeyer flasks, wrap and sterilize (121°C, sterilize for 25 minutes), and cool down for later use; put 6 parts of polyester fabrics to be modified in a sterile operating table, sterilize with ultraviolet light for 0.5h, and wait for use; transfer the bacteria in the slant culture medium to 3 parts of the prepared polyester modified solution; add 3 parts of the polyester fabric to be modified into the modified solution of 3 parts of the transferred bacteria, and Add 3 parts of fabrics to 3 parts of the modified solution of untransferre...

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Abstract

The invention discloses a biological modification method of dacron fabrics, mainly comprising the following steps: 1. culturing strains: culturing Comamonas testosteroni in a agarslant solid culture medium for 12-18h under the temperature of 30-37 DEG C, and storing in a refrigerator at the temperature of 4 DEG C; 2. preparing a dacron modified liquid: preparing 6 parts of dacron modified liquid with the terephthalic acid concentration of 1-3g / L (each part is 150ml), respectively filling in a conical flask, and packing and sterilizing for 25min under the temperature of 121 DEG C; 3. modifyingthe dacron fabrics: performing ultraviolet sterilization for 0.5h on 6 parts of dacron fabrics, implanting the Comamonas testosteroni in 3 parts of dacron modified solutions, adding 3 parts of dacronfabrics into the 3 parts of dacron modified liquid respectively, taking the other three parts of dacron fabrics as a reference, performing shake cultivation at the temperature of 30-37 DEG C and withthe revolving speed of 200r / min, and performing catalytic modification on the dacron fabrics; and 4) flushing the fabrics by tap water trickles and distilled water in turn, cleaning the fabrics by ultrasonic and airing.

Description

technical field [0001] The invention relates to the surface modification treatment technology of textiles, in particular to a method for biologically modifying polyester fabrics by using a single-cell bacteria. Background technique [0002] Polyester (PET) fiber has good physical and mechanical properties and chemical stability, but as a clothing fiber, it has disadvantages such as poor air permeability, weak water absorption, easy to generate static electricity, poor dyeing performance, and dull feeling when wearing. In order to overcome the above-mentioned shortcomings of polyester fiber and make it have better hydrophilicity and antistatic properties, people modify polyester fiber. So far, many scholars and research institutions have carried out a lot of research work, and the applied methods can be classified into three categories: chemical modification, physical modification and biological modification. The commonly used chemical modification method is the alkali treat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M16/00C12S11/00C12N1/20D06M101/32C12R1/01
Inventor 张健飞张卫玲巩继贤李政李秋瑾
Owner TIANJIN POLYTECHNIC UNIV
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