Journal of Textile Research ›› 2018, Vol. 39 ›› Issue (11): 85-90.doi: 10.13475/j.fzxb.20170708807
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In view of serious environmental pollution of conventional chlorination wool anti-felting technology, unsatisfactory finishing effect of single peotease antifelting, long-time treatment and strength damage of one-bath-two-step enzyme treatment peocess, a mixed solution composed of a protease and a bio-enzyme activator was used to anti-shrinkage finish the wool to achieve an ecologically, fast, chlorine-free and felt-proof finishing. The wool fiber was treated with a mixed solution of tricarboxyl ethyl phosphine and protease 8.0 T, protease 2.5 L and protease 16 L respectively, according to the treated wool's breaking strength, elongation at break, and felt shrinkage ball density test results,combined with scanning electron microscopy observation and analysis of the scaly layer of wool after treatment, it was concluded that the anti-felting effects of the tricarboxyl ethyl phosphine combined with the three proteases in treating wool are significant, and the anti-felting effect of the protease 16 L is the best. The optimum process conditions obtained by orthogonal test optimization are as follows: the amount of protease 16 L of 1.8 g/L, the amount of tricarboxyl ethyl phosphine of 1.0 g/L, the processing temperature of 50 °C, and the processing time of 2 min.
Key words: wool, protease, bio-enzyme activator, anti-felting, felt shrinkage ball density
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URL: http://www.fzxb.org.cn/EN/10.13475/j.fzxb.20170708807
http://www.fzxb.org.cn/EN/Y2018/V39/I11/85
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