Sosa-soluble vaicarboxymethyl cellulose, methyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose ma suauu-soluble ethyl cellulose o loʻo faʻaaogaina uma e pei o Adhesives, disintegrants, faʻapipiʻiina ma faʻatonutonu mea faʻasaʻo mo sauniuniga tautala, faʻapipiʻiina o mea fai ata, mea faʻapipiʻi ma vailaʻau faʻamalolo o loʻo faʻaaogaina i le faʻaaogaina o vailaʻau. I le va'ava'ai atu i le lalolagi, o le tele o kamupani fa'apisinisi mai fafo (Shin-Etsu Iapani, Dow Wolfe ma Ashland Cross Dragon) ua latou iloa le tele o maketi i le lumana'i o cellulose pharmaceutical i Saina, pe fa'ateleina le gaosiga po'o le tu'ufa'atasia, ma fa'ateleina a latou taumafaiga i lenei fanua. talosaga i totonu. Na faasilasila mai e Dow Wolfe o le a faʻamalosia lona taulaʻi i le faʻatulagaina, mea e faʻaogaina ma le manaʻoga o le maketi o vailaʻau faʻatau vailaʻau a Saina, ma o ana suʻesuʻega faʻaogaina o le a taumafai foi e latalata atili i le maketi. O le Dow Chemical Wolff Cellulose Division ma le Colorcon Corporation o le Iunaite Setete ua faʻatuina se faʻasalalauga tuʻufaʻatasia ma le faʻatonutonuina i luga o le lalolagi atoa, faatasi ai ma le sili atu i le 1,200 tagata faigaluega i 9 aai, 15 aseta faʻalapotopotoga ma 6 GMP kamupani, o se numera tele o tagata suʻesuʻe suʻesuʻe faʻapitoa e tautua tagata faʻatau ile 160 atunuu. O Ashland o loʻo i ai faʻavae gaosiga i Beijing, Tianjin, Shanghai, Nanjing, Changzhou, Kunshan ma Jiangmen, ma ua faʻafaigaluegaina i nofoaga autu suʻesuʻega faʻapitoa e tolu i Shanghai ma Nanjing.
E tusa ai ma fuainumera mai le upega tafaʻilagi a China Cellulose Association, i le 2017, o le gaosiga o le cellulose ether i totonu o le atunuʻu e 373,000 tone, ma o le faʻatauga o le 360,000 tone. I le 2017, o le faʻatauga moni o le CMC ionic e 234,000 tone, o se faʻaopoopoga o le 18.61% i lea tausaga ma lea tausaga, ma le faʻatauga o le non-ionic.CMCe 126,000 tone, o se siitaga e 8.2% i lea tausaga ma lea tausaga. I le faaopoopo atu i le HPMC (vaega mea fau fale), oloa e le o ni ionic, HPMC (vaega vailaau),HPMC(tulaga taumafa),HEC, HPC, MC, HEMC, ma isi mea ua faʻatupuina le tulaga ma o loʻo faʻaauau pea ona faʻateleina a latou gaosiga ma faʻatau. O le cellulose ether i totonu o le fale ua vave ona tupu mo le silia ma le sefulu tausaga, ma o lona gaosiga ua avea ma muamua i le lalolagi. Ae ui i lea, o oloa a le tele o kamupani cellulose ether e masani ona faʻaaogaina i le ogatotonu ma le maualalo o fanua o le alamanuia, ma o le tau faaopoopo e le maualuga.
I le taimi nei, o le tele o pisinisi a le cellulose ether i totonu o le lotoifale o loʻo i ai i le vaitaimi taua o suiga ma faʻaleleia. E tatau ona latou faʻaauau pea le faʻateleina o suʻesuʻega oloa ma taumafaiga tau atinaʻe, faʻaauau pea ona faʻatamaoaigaina ituaiga o oloa, faʻaaoga atoatoa Saina, le maketi sili ona tele i le lalolagi, ma faʻateleina taumafaiga e atiaʻe maketi mai fafo, ina ia mafai e pisinisi ona vave Faʻauma le suiga ma le faʻaleleia, ulufale i le ogatotonu ma le maualuga o le fanua o le alamanuia, ma ausia le atinaʻe lelei ma lanu meamata.
Taimi meli: Apr-25-2024