Malinga ndi lipoti laposachedwa la IHS Markit, kugwiritsa ntchito mankhwala padziko lonse lapansi kwakwera kwambiri.ether ya cellulose—polima yosungunuka m'madzi yopangidwa ndi kusintha kwa mankhwala a cellulose—ili pafupi matani 1.1 miliyoni mu 2018. Pa zonse zopangidwa padziko lonse lapansi za ether ya cellulose mu 2018, 43% idachokera ku Asia (China idapanga 79% ya zopangidwa ku Asia), Western Europe idapanga 36%, ndipo North America idapanga 8%. Malinga ndi IHS Markit, kugwiritsa ntchito ether ya cellulose kukuyembekezeka kukula pa avareji ya pachaka ya 2.9% kuyambira 2018 mpaka 2023. Munthawi imeneyi, kuchuluka kwa kufunikira m'misika yokhwima ku North America ndi Western Europe kudzakhala kotsika kuposa avareji ya padziko lonse, 1.2% ndi 1.3% motsatana. , pomwe kuchuluka kwa kufunikira ku Asia ndi Oceania kudzakhala kokwera kuposa avareji ya padziko lonse, pa 3.8%; kuchuluka kwa kufunikira ku China kudzakhala 3.4%, ndipo kuchuluka kwa kufunikira ku Central ndi Eastern Europe kukuyembekezeka kukhala 3.8%.
Mu 2018, dera lomwe limagwiritsa ntchito kwambiri cellulose ether padziko lonse lapansi ndi Asia, lomwe limagwiritsa ntchito 40% ya zonse zomwe zimagwiritsidwa ntchito, ndipo China ndiye mphamvu yayikulu yoyendetsera ntchito. Kumadzulo kwa Europe ndi North America zidagwiritsa ntchito 19% ndi 11% ya zonse zomwe zimagwiritsidwa ntchito padziko lonse lapansi, motsatana.Carboxymethyl cellulose (CMC)inali 50% ya ndalama zonse zomwe zimagwiritsidwa ntchito mu 2018, koma kukula kwake kukuyembekezeka kukhala kotsika kuposa kwa ma cellulose ether onse mtsogolo.Methylcellulose (MC) hydroxypropyl methyl cellulose (HPMC)zomwe zinagwiritsidwa ntchito ndi 33%,hydroxyethyl cellulose (HEC)Ma ether ena a cellulose anali pafupifupi 13%, ndipo ma ether ena a cellulose anali pafupifupi 3%.
Malinga ndi lipotilo, ma ether a cellulose amagwiritsidwa ntchito kwambiri mu zothina, zomatira, zosakaniza, zosungunulira, ndi zowongolera kukhuthala. Ntchito zomaliza zimaphatikizapo zotsekera ndi zosakaniza, chakudya, utoto ndi zokutira, komanso mankhwala olembedwa ndi dokotala ndi zowonjezera zakudya. Ma ether osiyanasiyana a cellulose amapikisananso m'misika yambiri yogwiritsidwa ntchito, komanso ndi zinthu zina zomwe zili ndi ntchito zofanana, monga ma polima opangidwa osungunuka m'madzi ndi ma polima achilengedwe osungunuka m'madzi. Ma polima osungunuka m'madzi opangidwa ndi opanga akuphatikizapo ma polyacrylates, ma polyvinyl alcohols, ndi ma polyurethane, pomwe ma polima achilengedwe osungunuka m'madzi makamaka akuphatikizapo xanthan gum, carrageenan, ndi ma chingamu ena. Pa ntchito inayake, polima yomwe wogula amasankha pamapeto pake idzadalira kusinthana pakati pa kupezeka, magwiridwe antchito ndi mtengo, komanso momwe ntchitoyo idzagwiritsidwire ntchito.
Mu 2018, msika wonse wa carboxymethylcellulose (CMC) padziko lonse lapansi unafika matani 530,000, omwe angagawidwe m'magulu a mafakitale (njira yothetsera zinthu), magawo oyeretsedwa pang'ono ndi magawo apamwamba. Kugwiritsa ntchito kofunikira kwambiri kwa CMC ndi sopo, pogwiritsa ntchito CMC ya mafakitale, yomwe imawerengera pafupifupi 22% ya zomwe zimagwiritsidwa ntchito; mafuta ogwiritsidwa ntchito m'munda amakhala pafupifupi 20%; zowonjezera zakudya zimakhala pafupifupi 13%. M'madera ambiri, misika yayikulu ya CMC ndi yokhwima, koma kufunikira kwa makampani opanga mafuta kumakhala kosinthasintha ndipo kumalumikizidwa ndi mitengo yamafuta. CMC ikukumananso ndi mpikisano kuchokera kuzinthu zina, monga hydrocolloids, zomwe zingapereke magwiridwe antchito abwino kwambiri pazinthu zina. Kufunika kwa ma cellulose ethers kupatula CMC kudzayendetsedwa ndi ntchito zomangira, kuphatikiza zokutira pamwamba, komanso chakudya, mankhwala ndi ntchito zosamalira anthu, IHS Markit idatero.
Malinga ndi lipoti la IHS Markit, msika wa mafakitale wa CMC ukadali wogawanika, pomwe opanga asanu akuluakulu ndi 22% yokha ya mphamvu zonse. Pakadali pano, opanga a CMC aku China omwe ali ndi mafakitale ambiri ndi omwe amalamulira msika, omwe ali ndi 48% ya mphamvu zonse. Kupanga kwa msika wa CMC wa kalasi yoyeretsa kuli kokulirapo, ndipo opanga asanu akuluakulu ali ndi mphamvu zonse zopangira 53%.
Mpikisano wa CMC ndi wosiyana ndi wa ma ether ena a cellulose. Chiwerengero chake ndi chochepa, makamaka pazinthu za CMC zamafakitale zomwe zili ndi chiyero cha 65% ~ 74%. Msika wazinthu zotere ndi wogawanika kwambiri ndipo umayang'aniridwa ndi opanga aku China. Msika wazinthu zoyeretsedwaCMCndi yochuluka kwambiri, yomwe ili ndi chiyero cha 96% kapena kupitirira apo. Mu 2018, kugwiritsidwa ntchito kwa ma cellulose ethers padziko lonse lapansi kupatula CMC kunali matani 537,000, makamaka omwe amagwiritsidwa ntchito m'mafakitale okhudzana ndi zomangamanga, zomwe zinali 47%; ntchito zamafakitale azakudya ndi mankhwala zinali 14%; makampani opanga zokutira pamwamba anali 12%. Msika wa ma cellulose ethers ena ndi wochuluka kwambiri, ndipo opanga asanu apamwamba pamodzi anali 57% ya mphamvu zopangira padziko lonse lapansi.
Ponseponse, kuthekera kwa kugwiritsa ntchito ma ether a cellulose m'makampani azakudya ndi chisamaliro chaumwini kudzapitiriza kukula. Pamene kufunikira kwa ogula zakudya zabwino zokhala ndi mafuta ochepa komanso shuga kudzapitirira kukula, kuti apewe zinthu zomwe zingachititse kuti pakhale ziwengo monga gluten, zomwe zingapereke mwayi pamsika wa ma ether a cellulose, omwe angapereke ntchito zofunika, popanda kusokoneza kukoma kapena kapangidwe kake. Mu ntchito zina, ma ether a cellulose amakumananso ndi mpikisano kuchokera ku zinthu zokhuthala zomwe zimachokera ku fermentation, monga chingamu chachilengedwe.
Nthawi yotumizira: Epulo-25-2024