Ngokwengxelo yamva nje evela kwi-IHS Markit, ukusetyenziswa kwe-i-cellulose ether—ipolymer enyibilikayo emanzini eveliswe ngokuguqulwa kweekhemikhali ze-cellulose—iphantse ibe yi-1.1 yezigidi zeetoni ngo-2018. Kwimveliso iyonke ye-cellulose ether yehlabathi ngo-2018, ama-43% avela e-Asia (i-China yayibalelwa kwi-79% yemveliso yase-Asia), iNtshona Yurophu yayibalelwa kwi-36%, kwaye iMntla Melika yayibalelwa kwi-8%. Ngokutsho kwe-IHS Markit, ukusetyenziswa kwe-cellulose ether kulindeleke ukuba kukhule ngesantya sonyaka esiphakathi se-2.9% ukusuka ngo-2018 ukuya ku-2023. Ngeli xesha, amazinga okukhula kwemfuno kwiimarike ezivuthiweyo eMntla Melika naseNtshona Yurophu aya kuba ngaphantsi kunomndilili wehlabathi, i-1.2% kunye ne-1.3% ngokwahlukeneyo. , ngelixa izinga lokukhula kwemfuno e-Asia nase-Oceania liya kuba phezulu kunomndilili wehlabathi, kwi-3.8%; izinga lokukhula kwemfuno e-China liya kuba yi-3.4%, kwaye izinga lokukhula eMbindini naseMpuma Yurophu kulindeleke ukuba libe yi-3.8%.
Ngowama-2018, ummandla osebenzisa kakhulu i-cellulose ether ehlabathini yi-Asia, ebanga i-40% yokusetyenziswa iyonke, kwaye i-China yeyona nto iphambili. INtshona Yurophu kunye neMntla Melika zibanga i-19% kunye ne-11% yokusetyenziswa kwihlabathi liphela, ngokwahlukeneyo.I-Carboxymethyl cellulose (CMC)ibingu-50% wokusetyenziswa kwe-cellulose ethers ngo-2018, kodwa izinga layo lokukhula kulindeleke ukuba libe ngaphantsi kunele-cellulose ethers iyonke kwixesha elizayo.I-Methylcellulose (MC) i-hydroxypropyl methyl cellulose (HPMC)i-33% yokusetyenziswa kwayo iyonke,i-hydroxyethyl cellulose (HEC)zibalwa kwi-13%, kwaye ezinye ii-cellulose ethers zibalwa kwi-3%.
Ngokwengxelo, ii-cellulose ethers zisetyenziswa kakhulu kwi-thickeners, i-adhesives, i-emulsifiers, i-humectants, kunye nee-arhente zokulawula i-viscosity. Usetyenziso lokugqibela luquka i-sealants kunye ne-grouts, ukutya, iipeyinti kunye neengubo, kunye namayeza kagqirha kunye nezongezo zesondlo. Ii-cellulose ethers ezahlukeneyo zikhuphisana kwiimarike ezininzi zesicelo, kunye nezinye iimveliso ezinemisebenzi efanayo, njengee-polymers zokwenziwa ezinyibilikayo emanzini kunye nee-polymers zendalo ezinyibilikayo emanzini. Ii-polymers zokwenziwa ezinyibilikayo emanzini ziquka ii-polyacrylates, ii-polyvinyl alcohols, kunye nee-polyurethanes, ngelixa ii-polymers zendalo ezinyibilikayo emanzini ziquka i-xanthan gum, i-carrageenan, kunye nezinye ii-gum. Kwisicelo esithile, ukuba yeyiphi i-polymer umthengi ayikhethayo ekugqibeleni iya kuxhomekeka kurhwebo phakathi kokufumaneka, ukusebenza kunye nexabiso, kunye nesiphumo sokusetyenziswa.
Ngowama-2018, imakethi iyonke yehlabathi ye-carboxymethylcellulose (CMC) ifikelele kwiitoni ezingama-530,000, ezinokwahlulwa zibe zii-industrial grade (isisombululo sesitokhwe), ii-semi-purified grade kunye nee-high-purity grade. Eyona ndlela ibalulekileyo yokusebenzisa i-CMC yi-detergent, esebenzisa i-industrial grade CMC, ebalelwa malunga ne-22% yokusetyenziswa; ukusetyenziswa kwe-oyile kumalunga ne-20%; izongezo zokutya zimalunga ne-13%. Kwimimandla emininzi, iimarike eziphambili ze-CMC zivuthiwe, kodwa imfuno evela kushishino lwe-oyile iyaguquguquka kwaye inxulunyaniswa namaxabiso eoyile. I-CMC ikwajongene nokhuphiswano oluvela kwezinye iimveliso, ezifana ne-hydrocolloids, ezinokubonelela ngokusebenza okuphezulu kwezinye izicelo. Imfuno yee-cellulose ethers ngaphandle kwe-CMC iya kuqhutywa kukusetyenziswa kolwakhiwo, kubandakanya ukugqunywa komphezulu, kunye nokutya, amayeza kunye nezicelo zokhathalelo lomntu, utshilo u-IHS Markit.
Ngokwengxelo ye-IHS Markit, imakethi yemizi-mveliso ye-CMC isaqhekekile, apho abavelisi abahlanu abakhulu bephethe i-22% kuphela yamandla ewonke. Okwangoku, abavelisi be-CMC baseTshayina abakumgangatho wemizi-mveliso balawula imakethi, bephethe i-48% yamandla ewonke. Imveliso yemakethi ye-CMC yomgangatho wokucoca ixinene kakhulu, kwaye abavelisi abahlanu abakhulu banamandla emveliso ewonke angama-53%.
Indawo yokukhuphisana yeCMC yahlukile kweyezinye ii-ether ze-cellulose. Umlinganiselo uphantsi kakhulu, ingakumbi kwiimveliso zeCMC ezikumgangatho wemizi-mveliso ezinobunyulu obuyi-65% ~ 74%. Imarike yeemveliso ezinjalo iqhekekile kwaye ilawulwa ngabavelisi baseTshayina. Imarike yeeklasi ezicociweyoI-CMCixinene ngakumbi, enobunyulu obuyi-96% nangaphezulu. Ngo-2018, ukusetyenziswa kwe-cellulose ethers kwihlabathi liphela ngaphandle kwe-CMC yayiziitoni ezingama-537,000, ezisetyenziswa kakhulu kumashishini anxulumene nokwakha, zibiza i-47%; ukusetyenziswa kweshishini lokutya kunye namayeza kubalelwa kwi-14%; ishishini lokugquma umphezulu libiza i-12%. Imarike yezinye ii-cellulose ethers ixinene ngakumbi, kunye nabavelisi abahlanu abaphambili bebonke bebiza i-57% yamandla emveliso yehlabathi.
Lilonke, amathuba okusetyenziswa kwee-cellulose ethers kumashishini okutya nokunyamekela umntu ngamnye aya kugcina ukukhula. Njengoko imfuno yabathengi yeemveliso zokutya ezinempilo ezinamafutha aphantsi kunye nomxholo weswekile iya kuqhubeka ikhula, ukuze kuthintelwe izinto ezinokubangela i-allergens ezifana ne-gluten, ngaloo ndlela kubonelelwe ngamathuba emarike ee-cellulose ethers, ezinokubonelela ngemisebenzi efunekayo, ngaphandle kokuphazamisa incasa okanye ubume. Kwezinye izicelo, ii-cellulose ethers nazo zijongene nokhuphiswano oluvela kwi-fermentation-derived thickeners, ezifana neentsini zendalo ezingaphezulu.
Ixesha leposi: Epreli-25-2024