A kind of method of cotton fiber modified hemp fiber and compound hemp clothing fiber
A technology of hemp fiber and cotton fiber, applied in the field of composite hemp clothing fiber, can solve the problems of poor spinnability, unsatisfactory effect, poor flexibility, etc., and achieve the effects of stable quality, easy operation and control, and improved flexibility
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Embodiment 1
[0035] (1) First soak the cotton fiber in lye, then wash it continuously with clean water to remove impurities and loosen the cotton fiber, then dedry the excess water of the cotton fiber by centrifugation, and send it to a cutting machine for cutting to obtain Short cotton fiber; the lye is a saturated solution of sodium hydroxide; the soaking time is controlled at 50s; the cutting length is controlled at 5mm;
[0036] (2) Add the short cotton fiber that step (1) obtains in polyurethane emulsion, disperse through high-speed stirring, obtain slurry; Polyurethane emulsion is the aqueous polyurethane emulsion of solid content 4wt%; The mixing mass ratio of short cotton fiber and polyurethane emulsion 3:25; the stirring speed of stirring and dispersing is 300r / min, and the dispersing time is 20min;
[0037](3) First immerse the hemp fiber in softening sesame oil and maintain it for 2 hours, then take out the hemp fiber, drain the softening sesame oil, and send it into the fluidiz...
Embodiment 2
[0041] (1) First soak the cotton fiber in lye, then wash it continuously with clean water to remove impurities and loosen the cotton fiber, then dedry the excess water of the cotton fiber by centrifugation, and send it to a cutting machine for cutting to obtain Short cotton fiber; the lye is a saturated solution of sodium hydroxide; the soaking time is controlled at 60s; the cutting length is controlled at 4mm;
[0042] (2) Add the short cotton fiber that step (1) obtains in polyurethane emulsion, disperse through high-speed stirring, obtain slurry; Polyurethane emulsion is the aqueous polyurethane emulsion of solid content 3wt%; The mixing mass ratio of short cotton fiber and polyurethane emulsion It is 3:28; the stirring speed of stirring and dispersing is 250r / min, and the dispersing time is 15min;
[0043] (3) First immerse the hemp fiber in softening sesame oil and maintain it for 2 hours, then take out the hemp fiber, drain the softening sesame oil, and send it into the ...
Embodiment 3
[0046] (1) First soak the cotton fiber in lye, then wash it continuously with clean water to remove impurities and loosen the cotton fiber, then dedry the excess water of the cotton fiber by centrifugation, and send it to a cutting machine for cutting to obtain Short cotton fiber; the lye is a saturated solution of sodium hydroxide; the soaking time is controlled at 60s; the cutting length is controlled at 3mm;
[0047] (2) Add the short cotton fiber that step (1) obtains in polyurethane emulsion, disperse through high-speed stirring, obtain slurry; Polyurethane emulsion is the aqueous polyurethane emulsion of solid content 5wt%; The mixing mass ratio of short cotton fiber and polyurethane emulsion 3:30; the stirring speed of stirring and dispersing is 400r / min, and the dispersing time is 10min;
[0048] (3) First immerse the hemp fiber in softening sesame oil and maintain it for 2 hours, then take out the hemp fiber, drain the softening sesame oil, and send it into the fluidi...
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