I-ether yeseliligama eliqhelekileyo leentlobo ngeentlobo zezinto ezifumaneka kwi-cellulose yendalo (umqhaphu ocociweyo kunye ne-pulp yomthi, njl.njl.) Imveliso ephumayo yi-derivative ye-cellulose esezantsi. Emva kwe-etherification, i-cellulose iyanyibilika emanzini, inyibilikise isisombululo se-alkali kunye ne-organic solvent, kwaye ine-thermoplasticity. Kukho iintlobo ezininzi ze-cellulose ethers, ezisetyenziswa kakhulu ekwakheni, kwisamente, kwipeyinti, kumayeza, ekutyeni, kwi-petroleum, kwi-daily chemical, kwi-textile, kwi-papermaking nakwi-electronic components nakwamanye amashishini. Ngokwenani lezinto ezithatha indawo, inokwahlulwa ibe yi-single ether kunye ne-mixed ether, kwaye ngokwe-ionization, inokwahlulwa ibe yi-ionic cellulose ether kunye ne-non-ionic cellulose ether. Okwangoku, iimveliso ze-ionic cellulose ether ze-ionic zinobuchwepheshe bemveliso obuvuthiweyo, ukulungiswa okulula, iindleko eziphantsi, kunye nemiqobo ephantsi kushishino. Zisetyenziswa kakhulu kwizongezo zokutya, kwi-textile auxiliaries, kwiikhemikhali zemihla ngemihla nakwamanye amacandelo, kwaye zezona mveliso ziphambili kwimarike.
Okwangoku, ii-cellulose ethers eziphambili zehlabathi ziI-CMC, i-HPMC, i-MC, i-HEC, njl. Phakathi kwazo, i-CMC inemveliso enkulu, emalunga nesiqingatha semveliso yehlabathi, ngelixa i-HPMC kunye ne-MC zimalunga ne-33% yemfuno yehlabathi, kwayeI-HECimalunga ne-50% yemfuno yehlabathi. I-13% yemarike. Eyona nto ibalulekileyo ekusetyenzisweni kwe-carboxymethyl cellulose (CMC) yisepha, emalunga ne-22% yemfuno yemarike esezantsi, kwaye ezinye iimveliso zisetyenziswa kakhulu kwicandelo lezixhobo zokwakha, ukutya kunye namayeza.
Izicelo ezisezantsi
Kwixesha elidlulileyo, ngenxa yophuhliso oluncinci lwemfuno yelizwe lam ye-cellulose ether kwiinkalo zeekhemikhali zemihla ngemihla, amayeza, ukutya, ii-coating, njl.njl., imfuno ye-cellulose ether eTshayina yayigxile kakhulu kwicandelo lezixhobo zokwakha. Ukuza kuthi ga namhlanje, ishishini lezixhobo zokwakha lisabandakanya i-33% yemfuno ye-cellulose ether yelizwe lam. Imfuno ye-cellulose ether yelizwe lam kwicandelo lezixhobo zokwakha iye yagcwala, kwaye imfuno kwiinkalo zeekhemikhali zemihla ngemihla, amayeza, ukutya, ii-coating, njl.njl. ikhula ngokukhawuleza ngophuhliso lwetekhnoloji yokusebenzisa. Umzekelo, kwiminyaka yakutshanje, ii-capsules zemifuno ezine-cellulose ether njengezinto eziphambili ezikrwada, kunye nenyama yokwenziwa, imveliso evelayo eyenziwe nge-cellulose ether, zinamathuba amaninzi okukhula.
Ukuthatha intsimi yezixhobo zokwakha njengomzekelo, i-cellulose ether ineempawu ezintle ezifana nokuqina, ukugcinwa kwamanzi, kunye nokulibaziseka. Ke ngoko, i-cellulose ether yezinga lezinto zokwakha isetyenziswa kakhulu ukuphucula imveliso ye-mortar exutyiweyo esele ilungisiwe (kubandakanya i-mortar exutyiweyo emanzi kunye ne-mortar exutyiweyo eyomileyo), i-resin ye-PVC, njl., ipeyinti ye-latex, i-putty, njl., kubandakanya ukusebenza kweemveliso zezinto zokwakha. Ngenxa yokuphuculwa kwenqanaba lokufudukela kwabantu ezidolophini kwilizwe lam, uphuhliso olukhawulezileyo lweshishini lezixhobo zokwakha, uphuculo oluqhubekayo lwenqanaba loomatshini bokwakha, kunye neemfuno ezikhulayo zokhuseleko lokusingqongileyo lwabathengi bezixhobo zokwakha ziye zaqhuba imfuno yee-non-ionic cellulose ethers kwicandelo lezixhobo zokwakha. Ngexesha leSicwangciso seMinyaka emihlanu se-13, ilizwe lam likhawulezise utshintsho lweendawo zokuhlala ezidolophini kunye nezindlu ezidilikileyo, kwaye lomeleza ukwakhiwa kweziseko zophuhliso zasezidolophini, kubandakanya ukukhawulezisa utshintsho lweendawo zokuhlala ezixineneyo kunye neelali zasezidolophini, ukukhuthaza ngokulungeleleneyo ukuhlaziywa okubanzi kweendawo zokuhlala ezindala, izindlu ezindala ezidilikileyo kunye neeseti ezingagqitywanga Ukuhlaziywa kwezindlu kunye nokunye. Kwisiqingatha sokuqala sowama-2021, indawo yezakhiwo zokuhlala zasekhaya ezisandula ukuqaliswa yayiyi-755.15 yezigidi zeemitha zesikwere, ukwanda kwe-5.5%. Indawo yokuhlala egqityiweyo yayiyi-364.81 yezigidi zeemitha zesikwere, ukwanda kwe-25.7%. Ukubuyiselwa kwendawo yokuhlala egqityiweyo kuya kuqhuba imfuno enxulumeneyo kwicandelo lezixhobo zokwakha ze-cellulose ether.
Ipateni yokhuphiswano lwemarike
Ilizwe lam lilizwe elivelisa kakhulu i-cellulose ether kwihlabathi liphela. Kule nqanaba, i-cellulose ether yezixhobo zokwakha zasekhaya sele isetyenzisiwe. I-Shandong Heda lishishini eliphambili kwicandelo le-cellulose ether eTshayina. Abanye abavelisi abakhulu basekhaya baquka iShandong Ruitai, iShandong Yiteng, kunye neNorth Tianpu Chemical, iYicheng Cellulose, njl. Ii-cellulose ethers ze-coating-grade, zamayeza kunye nezokutya okwangoku zilawulwa kakhulu ziinkampani zangaphandle ezifana neDow, Ashland, Shin-Etsu, kunye neLotte. Ukongeza kwiShandong Heda kunye nezinye iinkampani ezinomthamo ongaphezulu kweetoni ezili-10,000, kukho abavelisi abaninzi abancinci bee-non-ionic cellulose ethers ezinomthamo weetoni ezili-1,000. Iimveliso zokutya kunye nemveliso yamayeza ephezulu.
Ukungenisa nokuthumela ngaphandle i-cellulose ether
Ngowama-2020, ngenxa yokwehla kwamandla emveliso yeenkampani zangaphandle ngenxa yobhubhane lwaphesheya, umthamo wokuthunyelwa kwe-cellulose ether kwilizwe lam ubonakalise ukukhula okukhawulezayo. Ngowama-2020, ukuthunyelwa kwe-cellulose ether kuya kufikelela kwiitoni ezingama-77,272. Nangona umthamo wokuthunyelwa kwe-cellulose ether kwilizwe lam uphantsi kakhulu.i-cellulose etherikhule ngokukhawuleza, iimveliso ezithunyelwa kwamanye amazwe ikakhulu zizinto zokwakha i-cellulose ether, ngelixa umthamo wokuthunyelwa kwamanye amazwe we-cellulose ether yezonyango kunye nokutya umncinci kakhulu, kwaye ixabiso elongezelelweyo leemveliso ezithunyelwa kwamanye amazwe liphantsi. Okwangoku, umthamo wokuthunyelwa kwamanye amazwe we-cellulose ether yelizwe lam uphindwe kane kunomthamo wokungeniswa kwamanye amazwe, kodwa ixabiso lokuthunyelwa kwamanye amazwe lingaphantsi kabini kunexabiso lokungeniswa kwamanye amazwe. Kwicandelo leemveliso eziphezulu, inkqubo yokutshintshwa kwamanye amazwe kwe-cellulose ether yasekhaya isenendawo eninzi yophuhliso.
Ixesha leposi: Epreli-26-2024