1. Nkewa site na teknụzụ nhazi
A na-eji eriri ndị e ji owu mee ka eriri ndị e ji aka mee (owu, osisi, bamboo, hemp, bagasse, ahịhịa, wdg) site na usoro kemịkalụ ụfọdụ na ntụgharị iji gbanwee mkpụrụ ndụ cellulose, nke a makwaara dị ka eriri ndị mmadụ mere. Ebe ọ bụ na ihe mejupụtara kemịkalụ na nhazi kemịkalụ anaghị agbanwe agbanwe n'oge nhazi, imepụta na ịtụgharị ihe ndị sitere n'okike, a na-akpọkwa ya eriri ndị e ji aka mee ka ha dịghachi ọhụrụ.
Site na ihe achọrọ n'usoro nhazi na usoro nchedo gburugburu ebe obibi, enwere ike kewaa ya n'ime nchekwa na-abụghị nke gburugburu ebe obibi (usoro mgbasa nke owu/osisi na-apụtaghị ìhè) na usoro nchekwa gburugburu ebe obibi (usoro mgbasa nke owu/osisi na-apụtaghị ìhè). Usoro nchekwa na-abụghị nke gburugburu ebe obibi (dịka viscose Rayon ọdịnala) bụ iji sulfonate owu/osisi a gwọrọ alkali na carbon disulfide na alkali cellulose iji mepụta ngwọta nke na-atụgharị, ma mechaa jiri mmiri na-atụgharị iji mee ka ọ dịghachi ọhụrụ. E ji cellulose coagulation mee ya.
Teknụzụ nchekwa gburugburu ebe obibi (dịka lyocell) na-eji mmiri N-methylmorpholine oxide (NMMO) mee ihe dị ka ihe mgbaze iji gbazee pulp cellulose ozugbo n'ime mmiri ịgbagharị, wee hazie ya site na ịgbagharị mmiri ma ọ bụ ịgbagharị mmiri kpọrọ nkụ nke emere. Ma e jiri ya tụnyere ụzọ mmepụta nke eriri viscose nkịtị, uru kachasị bụ na NMMO nwere ike ịgbaze pulp cellulose ozugbo, usoro mmepụta nke ịgbagharị dope nwere ike ịdị mfe nke ukwuu, ọnụego mgbake ngwọta nwere ike iru ihe karịrị 99%, usoro mmepụta anaghịkwa emerụ gburugburu ebe obibi ahụ. Usoro mmepụta nke Tencel®, Richel®, Gracell®, Yingcell®, eriri bamboo, na Macelle niile bụ usoro ndị na-adịghị emerụ gburugburu ebe obibi.
2. Nhazi site na njirimara anụ ahụ bụ isi
Ihe ngosi dị mkpa dịka modulus, ike, na kristal (karịsịa n'ọnọdụ mmiri) bụ ihe ndị dị mkpa na-emetụta mmịpụta ákwà, mmiri na-abanye n'ime ya, na ákwà mgbochi. Dịka ọmụmaatụ, viscose nkịtị nwere hygroscopicity dị mma ma dịkwa mfe iji agba agba, mana modulus na ike ya dị ala, ọkachasị ike mmiri dị ala. Eriri Modal na-eme ka adịghị ike nke eriri viscose dị n'elu ka mma, ọ nwekwara ike na modulus dị elu n'ọnọdụ mmiri, ya mere a na-akpọkarị ya eriri modulus viscose dị elu. Nhazi nke Modal na ogo nke polymerization nke cellulose na molekul dị elu karịa nke eriri viscose nkịtị ma dị ala karịa nke Lyocell. Ákwà ahụ dị ire ụtọ, elu ákwà ahụ na-egbuke egbuke ma na-egbuke egbuke, ihe ndọpụ ahụ dịkwa mma karịa nke owu, polyester, na rayon dị ugbu a. O nwere ihe na-egbuke egbuke na mmetụta dị ka silk, ọ bụkwa ákwà eke mercerized.
3.Iwu nke Aha Azụmaahịa maka Eriri Emegharịrị
Modulu nke nwere oke iru mmiri na gburugburu ebe obibi na-emepụtaghachi ngwaahịa cellulose ọhụrụ nke e mepụtara na mba m na-agbaso iwu ụfọdụ gbasara aha ngwaahịa. Iji mee ka azụmaahịa mba ụwa dị mfe, ha na-enwekarị aha ndị China (ma ọ bụ pinyin nke ndị China) na aha Bekee. E nwere ụdị abụọ bụ isi nke aha ngwaahịa viscose akwụkwọ ndụ akwụkwọ ndụ ọhụrụ:
Otu bụ Modal (Modal). O nwere ike ịbụ ihe ndabara na "Mo" Bekee nwere otu mkpọpụta ahụ dịka "osisi" nke ndị China, yabụ ndị ahịa na-eji nke a akpọsa "Modal" iji mesie ike na eriri ahụ na-eji osisi eke eme ihe dị ka ihe eji emepụta ihe, nke bụ n'ezie "Modal". Mba ndị ọzọ na-ejikarị mkpụrụ osisi dị elu eme ihe, "Dyer" bụkwa mkpụrụ akwụkwọ ndị dị n'azụ asụsụ Bekee. Dabere na nke a, eriri ọ bụla nwere "Dyer" na ngwaahịa nke ụlọ ọrụ mmepụta eriri sịntetik nke mba anyị bụ nke ụdị ngwaahịa a, nke a na-akpọ China Modal. : Dịka Newdal (eriri viscose siri ike nke Newdal), Sadal (Sadal), Bamboodale, Thincell, wdg.
Nke abụọ, okwu Lyocell (Leocell) na Tencel® (Tencel) ziri ezi karịa. Aha China nke eriri Lyocell (lyocell) nke ụlọ ọrụ British Acordis debara aha na mba m bụ "Tencel®". Na 1989, aha eriri Lyocell (Lyocell) ka BISFA (International Man-made Fiber and Synthetic Fiber Standards Bureau kpọrọ, a kpọkwara eriri cellulose e megharịrị ọhụrụ aha ya bụ Lyocell. "Lyo" sitere na okwu Grik bụ "Lyein", nke pụtara ịgbaze, ""cell" sitere na cellulose "Cellulose", ha abụọ bụ "Lyocell", a na-akpọkwa aha China Lyocell. Ndị mba ọzọ nwere nghọta dị mma banyere omenala China mgbe ha na-ahọrọ aha ngwaahịa. Lyocell, aha ngwaahịa ya bụ Tencel® ma ọ bụ "Tencel®".
Oge ozi: Disemba-30-2022