D - Textiles – Paper – 01 – C
Patent
D - Textiles, Paper
01
C
D01C 1/00 (2006.01) D06M 16/00 (2006.01)
Patent
CA 2701899
A method of degumming jute fibres with complex enzyme, wherein said complex enzyme comprises pectinase and laccase, wherein comprising the steps of a soaking the jute fibres in the water solution of said complex enzyme made from pectinase and laccase, wherein the weight proportion of said complex enzyme water solution and jute fibres ranges from 12.1 to 40.1; b adjusting the PH value of said complex enzyme water solution to more than 5.0, but no more than 6.5, and adjusting the temperature of said complex enzyme water solution to 35°C-65°C, then keeping said complex enzyme water solution with such temperature value tor 20- 120 minutes, c. adjusting the PH value of said complex enzyme water solution to 7.5-9.5, and adjusting the temperature of said complex enzyme water solution to 40°C-70°C, then, keeping said complex enzyme water solution with such temperature value for 20-120 minutes, d conducting enzyme deactivation of the jute fibres processed with said complex enzyme.
L'invention concerne un procédé d'utilisation d'une enzyme composite pour dégommer du jute. Ladite enzyme composite contient de la pectase et de la laccase. Le procédé comprend les étapes suivantes : a. immersion du jute dans une solution aqueuse d'enzyme composite faite de pectase et de laccase et ajustement du rapport en poids de ladite solution aqueuse d'enzyme composite et du jute ; b. ajustement du pH de ladite solution aqueuse d'enzyme composite et maintien de sa température pendant un laps de temps à une certaine température ; c. ajustement ultérieur du pH de la solution et maintien de sa température pendant un autre laps de temps à une certaine température ; d. inactivation de l'enzyme traitant le jute traité par l'enzyme composite.
Liu Guozhong
Zhang Zhenhua
Integral Ip
Jiangsu Redbud Textile Technology Co. Ltd.
LandOfFree
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