Journal of Textile Research ›› 2016, Vol. 37 ›› Issue (05): 75-78.

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Injouence of acid presoak on enzyme flax retting and properties of fibers

  

  • Received:2015-04-10 Revised:2016-02-03 Online:2016-05-15 Published:2016-05-10

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Abstract:

Flax stem was presoaked by dilute acid and then treated with enzyme to lift permeated barrier between enzyme and substrate in flax fiber. We investigated this environmentally favorable and economical method to facilitate the flax enzyme retting. Weight loss ratio and Fiber separation degree of flax stems treated by HAC, NaH2PO4-H3PO4, H2SO4 and H3PO4 were researched. Taking reducing sugar and total sugar contents, fiber separation degree and mechanical property as indexes, the effects of acid treatment on flax enzyme retting were investigated. The flax stems that treated by 20mmol/L H2SO4 and H3PO4 and subsequently retted by enzyme released more reducing sugar and total sugar, and breaking strength of retted fibers could reached more than 150CN. Only the optimal concentration could accelerate enzyme retting.

Key words: flax, enzyme retting, acid solution, presoak

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