I-Cellulose Ether: Izinto zokusetshenziswa ezikhuphukayo ze-Upstream zinomthelela omkhulu, futhi imakethe engezansi iyakhula.
I-Cellulose Ether uhlobo lwe-polymer yemvelo ethathwe khona, enezimpawu zokuvumelanisa kanye nokumiswa. Ngezinhlobo eziningi, i-hydroxypropyll methyl cellulose ether lelo HPMC yisivuno esikhulu kunazo zonke, okusetshenziswa kakhulu, ukukhiqizwa kwalo kuyanda ngokushesha.
Eminyakeni yamuva, uzuza ekukhuleni kwezomnotho kuzwelonke, ukukhiqizwa kwe-ether ye-Cellula yezwe lethu kuphakama unyaka nonyaka. Ngasikhathi sinye, ngokuthuthukiswa kwesayensi yasekhaya nezobuchwepheshe, isidingo sokuqala sokungenisa isibalo esikhulu se-ether ye-cellulose ether esezingeni eliphezulu manje sibona ukwenziwa kwasendaweni, kanye nokuthekelisa kwe-Ether yasekhaya kwe-Ether kuyakhuphuka. Idatha ikhombisa ukuthi kusukela ngoJanuwari kuya ku-Novemba 2020, iChina yathumela amathani angama-64,806 amathani we-cellulose ether, up 14.2% unyaka ngonyaka, ephakeme kunawo wonke unyaka ka-2019.
Eminyakeni yamuva, uzuza ekukhuleni kwezomnotho kuzwelonke, ukukhiqizwa kwe-ether ye-Cellula yezwe lethu kuphakama unyaka nonyaka. Ngasikhathi sinye, ngokuthuthukiswa kwesayensi yasekhaya nezobuchwepheshe, isidingo sokuqala sokungenisa isibalo esikhulu se-ether ye-cellulose ether esezingeni eliphezulu manje sibona ukwenziwa kwasendaweni, kanye nokuthekelisa kwe-Ether yasekhaya kwe-Ether kuyakhuphuka. Idatha ikhombisa ukuthi kusukela ngoJanuwari kuya ku-Novemba 2020, iChina yathumela amathani angama-64,806 amathani we-cellulose ether, up 14.2% unyaka ngonyaka, ephakeme kunawo wonke unyaka ka-2019.
I-Cellulose Ether ethinteka amanani entengo kakotini aphezulu
Izinto zokusetshenziswa eziphambili ze-cellulose afers zifaka imikhiqizo yezolimo neyehlathi, kufaka phakathi ukotini ocwengekile, kanye nemikhiqizo yamakhemikhali, kufaka phakathi i-propelene oxide. Izinto ezivuthiwe zekotini ezicwengiwe ziyikheshi elifushane lekotoni, futhi i-cashmere efushane ukotini ikhiqizwa ikakhulukazi eShandong, uXinjiang, Hebei naseJiangsu. Umthombo wokotini ukotini ukhulu kakhulu futhi ekunikezelweni ngokwanele.
Ukotini we-Akhawunti ingxenye enkulu ekwakhekeni kwezomnotho kwezolimo zezompahla, futhi intengo yayo ithintwa yizimo zemvelo kanye nokunikezwa kwamanye amazwe kanye nesidingo. Ngokufanayo, i-propelene oxide, i-chloromethane neminye imikhiqizo yamakhemikhali nayo iyathinteka ngamanani entengo kawoyela angaphandle. Njengoba izinto zokusetshenziswa eziluhlaza okwesineke ngengxenye enkulu ekwakheni izindleko ze-cellulose ether, ukuguquguquka kwentengo eluhlaza kuthinta ngqo intengo yokuthengisa ye-cellulose ether ngqo.
Ukuze ubhekane nengcindezi yezindleko, abakhiqizi be-cellulose ether bavame ukudlulisa ingcindezi embonini ezansi, kepha umphumela wokudlulisa uthinteka yinkimbinkimbi yemikhiqizo yezobuchwepheshe, ukwehluka komkhiqizo kanye nenani lentengo. Ngokuvamile, amabhizinisi anezithiyo eziphakeme zobuchwepheshe, izigaba zomkhiqizo ocebile nenani eliphakeme eliphakeme zinezinzuzo ezinkulu futhi zizogcina izinga eliqinile lenzuzo enkulu. Ngaphandle kwalokho, amabhizinisi adinga ukubhekana nengcindezi yezindleko ezinkulu. Ngaphezu kwalokho, uma indawo yangaphandle ingazinzile futhi uhla lokushintshashintsha komkhiqizo lukhulu, amabhizinisi abonakalayo aphezulu avuselelwayo azimisele ngokwengeziwe ukukhetha amakhasimende aphansi anezilinganiso eziphakeme zokukhiqiza namandla aphelele, ukuze aqinisekise izingozi. Ngakho-ke, lokhu kunciphisa ukuthuthukiswa kwamabhizinisi amancane we-cellulose ether ngezinga elithile.
I-Cellulose Ether uhlobo lwe-polymer yemvelo ethathwe khona, enezimpawu zokuvumelanisa kanye nokumiswa. Ngezinhlobo eziningi, i-hydroxypropyll methyl cellulose ether lelo HPMC yisivuno esikhulu kunazo zonke, okusetshenziswa kakhulu, ukukhiqizwa kwalo kuyanda ngokushesha.
Ngokuthuthuka okuqhubekayo kwesayensi nobuchwepheshe, imakethe ye-DownTream Demail iyakhula, futhi isilinganiso esiphansi sohlelo lokusebenza kulindeleke ukuthi sandise ngokuqhubekayo, futhi ukufunwa komfula kugcina ukukhula okuzinzile. Esakhiweni semakethe esiphansi se-cellulose ether, izinto zokwakha, ukukhishwa uwoyela, ukudla nezinye izinkambu ezithatha isikhundla esikhulu. Phakathi kwazo, umkhakha wokwakha wokwakha yimakethe yabathengi enkulu kunazo zonke, afaka imali engaphezu kwama-30%.
Imboni yezokwakha iyinkambu yokusebenzisa enkulu kunazo zonke yemikhiqizo ye-HPMC
Embonini yezokwakha, imikhiqizo ye-HPMC idlala isibopho esibalulekile, ukugcinwa kwamanzi neminye imiphumela. Ngemuva kokuxubana nenani elincane le-HPMC ngodaka kasimende, i-viscosity, i-vensile futhi i-vear Amandla kasimende, udaka kanye ne-binter angandiswa, ukuze athuthukise ukusebenza kwezinto zokwakha kanye nokwakha umsebenzi. Ngaphezu kwalokho, i-HPMC ibuye ibe ngumthengisi obalulekile wokukhiqizwa kokhonkolo wezentengiso, odlala indima ekukhiyaneni kwamanzi futhi athuthukise izakhiwo zesimbozo sikakhonkolo. Njengamanje, i-HPMC iyimikhiqizo ebaluleke kakhulu ye-cellulose ether esetshenziswa ekwakheni izinto zokwakha uphawu.
Imboni yokwakha ingumdwebo osemqoka wensika yomnotho wethu wezwe. Imininingwane ikhombisa ukuthi indawo yokwakha izindlu yanda kusuka ku-7.08 billion amamitha-skwele ngamamitha-skwele angama-14,42 ngonyaka we-2019, ukushayela ngokuqinile ukukhula kwemakethe ye-cellulose ether.
I-boom ephelele yomkhakha wezezakhiwo othathiwe, futhi indawo yokwakha nokuthengisa i-rose unyaka nonyaka. Imininingwane yomphakathi ikhombisa ukuthi ngo-2020, ukwehla kwanyanga zonke ngonyaka yokwakha yezindlu zokuhlala ezithengiswayo kuyaqhubeka kunciphisa, phansi ngo-2087% unyaka nonyaka, kulindeleke ukuthi kube ngu-2021 ukuba aqhubeke nomkhuba wokulungisa. Ezinyangeni ezimbili zokuqala zalo nyaka, izinga lokukhula lendawo yokuhlala yezentengiselwano liphinde labukezwa ku-104.9%, ukwanda okuhlonishwayo.
Ukugqonyana ouli
Imakethe yezimboni yezimboni yokumba izinsizakusebenza ithinteka ikakhulukazi ukutshalwa kwezimali kwe-E & P, eno-40% yephothifoliyo yokuhlola emhlabeni wonke enikelwe ekuvuthweni kwezinsizakalo zobunjiniyela.
Ngesikhathi sokumba uwoyela nokukhiqiza, ukudonsa uketshezi kubamba iqhaza elibalulekile ekuthwaleni nasekumiseni ama-chip, ukuqinisa izindonga zemigodi nokulinganisa ukucindezela kwengcindezi, ukupholisa nokuthambisa amabutho ama-hydrodynamic. Ngakho-ke, emsebenzini wokushayela kawoyela, kubaluleke kakhulu ukuze ulondoloze umswakama ofanele, i-viscosity, uketshezi nezinye izinkomba zoketshezi lokumba. I-Polyanionic Cellulose, noma i-PAC, ingakhula, igcobe izingcezwana, futhi idlulisele amandla ama-hydrodynamic. Ngenxa yezimo eziyinkimbinkimbi zendawo yokugcina amafutha kanye nobunzima bokumba, kunenombolo enkulu yesidingo se-PAC.
Umkhakha wezemithi Exegipients
Abangewona izithambisi ezingezona ezisetshenziswa kabanzi emkhakheni wezemithi njengezinto ezenzeka emikhakheni, njengabakhulu, ama-dispersants, ama-emulsifiers kanye namafomu efilimu. Isetshenziselwa ukunamathela kwefilimu nokunamathela kwamathebulethi okwelapha, futhi futhi kungasetjenziswa ekumisweni, amalungiselelo okuso, amaphilisi antantayo nokunye. Ngenxa yezidingo eziqinile ngokwengeziwe ekuhlanzeni nasekubonakaleni kwemikhiqizo yezokwelapha i-cellulose ether, inqubo yokukhiqiza iyinkimbinkimbi futhi izinqubo zokuwasha ziyinkimbinkimbi ngokwengeziwe. Uma kuqhathaniswa neminye imikhiqizo ye-cellulose ether, inani lokuqoqa liphansi, izindleko zokukhiqiza ziphezulu, kepha inani lentengo lentengo liphakeme futhi. Ama-Exessieticals Exechients asetshenziswa ikakhulukazi kumalungiselelo amakhemikhali emithi, umuthi wamalungelo obunikazi waseChina, imikhiqizo yemvelo kanye ne-biochemical neminye imikhiqizo yezemithi.
Ngoba imboni yezimpahla ezisizayo yezemithi yaqala sekwephuzile, izinga lokuthuthuka jikelele liphansi njengamanje, indlela yezimboni idinga ukwenziwa ngcono. Phakathi kwenani lokuphuma kwamalungiselelo wezemithi ezifuywayo, inani lokukhipha lezindlela zokugqoka zasekhaya ama-akhawunti aphansi aphansi we-2% -3%, okuphansi kakhulu kunalokho okwenziwa ama-accipietive wezokwelapha (cishe ngo-15%). Kungabonakala ukuthi kusekhona isikhala esihle sokwakhiwa kwama-excipielinal asekhaya, okulindeleke ukuthi aqhube ngempumelelo ukukhula kwemakethe ether ether.
Isikhathi sePosi: Aug-31-2022