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Cov nyhuv ntawm Kub Kub Kub Kub rau Crimping, Strength thiab Dyeing ntawm Nylon 6

Tom qab xyoo ntawm kev xyaum ntau lawm, peb lub tuam txhab, Highsun Synthetic Fiber Technologies Co., Ltd., maj mam pom qhov cuam tshuam ntawm kub lub thawv kub ntawm crimping, lub zog thiab dyeing ntawm nylon 6.

1. Kev cuam tshuam ntawm nylon 6 crimping

Raws li kev tsim khoom ntawm qhov sib piv ntawm qhov sib piv ntawm 1.239 zaug, D / Y ntawm 2.10 thiab ceev ntawm 700m / min, crimp shrinkage thiab crimp stability nce nrog qhov nce ntawm qhov kub thiab txias hauv qee qhov ntau.Qhov no yog vim lub plasticity ntawm cov fiber ntau yog txhim kho nrog qhov kub thiab txias, uas ua rau nws yooj yim deform.Yog li cov nylon 6 yog fluffy thiab tag nrho deformed.Txawm li cas los xij, thaum qhov kub thiab txias yog qis dua (qis dua 182 ℃), crimp tus nqi thiab crimp stability ntawm nylon 6 cov ntaub ntawv ua tsawg heev.Cov filament yog mos thiab inelastic, uas yog hu ua paj rwb txhob lo lo ntxhuav.Thaum qhov kub thiab txias dhau (siab tshaj 196 ℃), cov txheej txheem ua tiav yuav nruj thiab tawv.Qhov no yog vim hais tias cov fibers ua nkig nyob rau hauv qhov kub thiab txias, ua rau cov fibrils uas yog sib koom ua ke thiab ua nruj filaments.Yog li ntawd, lub crimp shrinkage yog heev txo.

2. Kev cuam tshuam ntawm nylon 6 lub zog

Thaum lub sij hawm tsim cov txheej txheem, nws tau pom tias qhov kub ntawm lub thawv kub kuj muaj kev cuam tshuam zoo rau lub zog ntawm nylon 6. Nyob rau hauv cov txheej txheem ntawm kev thauj khoom ceev 630m / min, stretching ratio 1.24 zaug thiab D / Y 2.03, qhov sib tw nro txo. thiab qhov untwisting nro kuj txo nrog qhov nce ntawm qhov kub thiab txias, uas yog vim fiber ntau softening ntawm qhov kub thiab txias.Ntawm qhov kub tsis tshua muaj, lub zog nce nrog qhov nce ntawm qhov kub thiab txias, tab sis txo qis nrog qhov ntsuas kub ntxiv (193 ℃).Qhov no feem ntau yog vim hais tias ntawm qhov kub thiab txias, lub peev xwm ua haujlwm ntawm fiber ntau molecules nce nrog qhov nce ntawm qhov kub thiab txias, uas txo cov kev ntxhov siab hauv cov txheej txheem thermal deformation, ua rau nws yooj yim rau deform thiab nce lub zog ntawm filament.Txawm li cas los xij, nrog kev nce ntxiv ntawm qhov kub thiab txias, amorphous orientation hauv fiber ntau yog yooj yim de-oriented.Thaum qhov kub thiab txias nce mus txog 196 ℃, cov fibers ua tau nruj thiab nruj nrog cov tsos mob tsis zoo.Tom qab ntau qhov kev sim, nws tau pom tias nylon 6 muaj lub zog siab tshaj plaws thaum qhov kub ntawm lub thawv kub yog 187 ℃.Tau kawg, qhov no yuav tsum tau hloov kho raws li qhov siab tshaj plaws loading ceev ntawm nylon POY.Raws li kev paub dhau los, roj av thiab plua plav yuav lo rau lub thawv kub nrog qhov txo qis ntawm kev huv ntawm lub tshuab, uas yuav txo cov cua sov kom zoo.

3. Kev cuam tshuam ntawm nylon 6 dyeing

Thaum qhov kub hauv lub thawv kub qis, nylon 6 muaj qis crystallinity, muaj zog dyeing affinity, thiab ntau dua dyeing qhov tob.Ntawm qhov tsis sib xws, qhov kub ntawm lub thawv kub ua rau lub teeb dyeing thiab tsis tshua muaj dye uptake ntawm nylon 6. Vim hais tias lub teeb pom kev zoo ntawm lub tshuab qee zaum deviates zoo heev los ntawm qhov ntsuas kub, thaum kub hloov mus rau 210 ° C nyob rau hauv qhov tseeb ntau lawm, lub cov tsos thiab lub cev ntsuas ntawm nylon 6 yog qhov zoo, tab sis cov xim xim tsis zoo.


Post lub sij hawm: Feb-21-2022