lyocell: Mu 1989, bungwe la International Bureau Man-Made mkaka, BISFA, linatcha mwalamulo ulusi wopangidwa ndi njirayi kuti "Lyocell". "Lyo" imachokera ku liwu lachi Greek "Lyein", lomwe limatanthauza kusungunuka, ndipo "Cell" imachokera pachiyambi cha Cellulose ya Chingerezi "cellulose". Kuphatikiza kwa "Lyocell" ndi "cellulose" kumatanthauza ulusi wa cellulose wopangidwa ndi njira yosungunulira.
Chifukwa chake, Lyocell imatanthauza makamaka ulusi wa cellulose wopangidwa ndi NMMO ngati chosungunulira
Lyocell: Ulusi wa Lyocell ndi dzina lasayansi la ulusi watsopano wa cellulose wokonzanso solvent, ndipo ndi dzina la gulu lonse la mayiko. Lessel ndi gulu lalikulu, lomwe lili m'gulu lomwelo monga thonje, silika ndi zina zotero.
Lyocell ndi ulusi watsopano wopangidwa kuchokera ku pulasitiki ya mtengo wa conifer pogwiritsa ntchito solvent spinning. Uli ndi "chitonthozo" cha thonje, "mphamvu" ya polyester, "kukongola kwapamwamba" kwa nsalu ya ubweya, ndi "kukhudza kwapadera" ndi "kufewa" kwa silika. Kaya ndi youma kapena yonyowa, ndi wolimba kwambiri. Mu mkhalidwe wake wonyowa, ndi ulusi woyamba wa cellulose wokhala ndi mphamvu yonyowa kuposa thonje. Zipangizo zachilengedwe zoyera 100%, kuphatikiza ndi njira zopangira zachilengedwe, zimapangitsa moyo kukhala wozikidwa pa chitetezo cha chilengedwe, kukwaniritsa zosowa za ogula amakono, komanso kuteteza zachilengedwe zobiriwira, zitha kutchedwa ulusi wobiriwira wa m'zaka za zana la 21.
Kugawa kwa Lyocell
1. Mtundu wamba wa Lyocell-G100
2. Crosslinked Lyocell-A100
3. Mtundu wa LF
Kusiyana kwa ukadaulo pa mitundu itatu iyi
Njira ya TencelG100: matabwa a NMMO (methyl-oxidized marin) kusungunuka kusefera kozungulira kuphatikizika kwa bafa kuphatikizika kwa madzi kuuma kupyola kudula mu ulusi.
Njira ya TencelA100: chithandizo cha crosslinker cha underfried filament bundle, kuphika pa kutentha kwambiri, kutsuka, kuumitsa ndi kupindika.
Chifukwa cha njira zosiyanasiyana zochizira zomwe zatchulidwa pamwambapa, zikuwoneka kuti posindikiza ndi kupaka utoto nsalu ya imvi, ulusi wa G100 tensil umayamwa madzi ndikufalikira, zomwe zimakhala zosavuta kufinya, ndipo pamwamba pake pamapanga mawonekedwe ofanana ndi velvet ya khungu la pichesi (kumverera kwa chisanu), komwe kumagwiritsidwa ntchito kwambiri pantchito yopaka utoto. A100 imagwiritsidwa ntchito kwambiri pantchito yovala zovala wamba, zovala zaukadaulo, zovala zamkati ndi mitundu yonse ya zinthu zolukidwa chifukwa cha chithandizo cholumikizirana chomwe chili mu mkhalidwe wa ulusi, ndipo kukumbatirana pakati pa ulusi kumakhala kochepa. Pantchito yochizira, pamwamba pa nsalu nthawi zonse pamakhala bata, ndipo pakapita nthawi, kutsuka sikophweka. LF nthawi zambiri imakhala pakati pa G100 ndi A100, makamaka imagwiritsidwa ntchito pabedi, zovala zamkati, zovala zapakhomo ndi minda yolukira.
Kuphatikiza apo, ndikofunikira kunena kuti chifukwa cha kukhalapo kwa cholumikizira cholumikizira, A100 sichitha kuchiritsidwa ndi mercerization, ndipo chithandizocho chimakhala cha asidi kwambiri, ngati kugwiritsa ntchito mankhwala a alkaline kudzasintha kukhala tencel yokhazikika. Mwachidule, silika wa A100 day wokha ndi wosalala kwambiri, kotero palibe chifukwa chochitira mercerization. Ulusi wa A100 ndi wolimbana ndi asidi koma wolimbana ndi alkali.
Kugwiritsa ntchito Lyocell nthawi zonse:
Pa denim, ulusi wake ndi 21s, 30s, 21s, ndi 27.6s.
Kuti mupange nsalu ya pabedi, ulusi umafunika kuwerengedwa pa masekondi 30, 40, 60.
Nthawi yotumizira: Okutobala-27-2022