Injani imeko yemarike yasekhaya neyangaphandle ye-non-ionic cellulose ether?

(1)Isishwankathelo semarike ye-ether ye-nonionic cellulose ether yehlabathi:

Ngokwembono yokusasazwa kwamandla emveliso kwihlabathi liphela, i-43% yenani lilonke lemveliso kwihlabathi liphelai-cellulose etherImveliso ngo-2018 yayivela e-Asia (iTshayina yayine-79% yemveliso yase-Asia), iNtshona Yurophu yayine-36%, kwaye uMntla Melika wawune-8%. Ngokwembono yemfuno ye-cellulose ether yehlabathi, ukusetyenziswa kwe-cellulose ether yehlabathi ngo-2018 malunga ne-1.1 yezigidi zeetoni. Ukususela ngo-2018 ukuya ku-2023, ukusetyenziswa kwe-cellulose ether kuya kukhula ngesantya sonyaka esiphakathi se-2.9%.

Phantse isiqingatha sokusetyenziswa kwe-cellulose ether kwihlabathi liphela yi-ionic cellulose (emelwe yi-CMC), esetyenziswa kakhulu kwiisepha, izongezo ze-oilfield kunye nezongezo zokutya; malunga nesinye kwisithathu yi-non-ionic methyl cellulose kunye nezinto eziphuma kuyo (emelwe yi-I-HPMC), kwaye isinye kwisithandathu esiseleyo yi-hydroxyethyl cellulose kunye nezinto eziphuma kuyo kunye nezinye ii-cellulose ethers. Ukukhula kwemfuno yee-non-ionic cellulose ethers kuqhutywa ikakhulu kukusetyenziswa kwezixhobo zokwakha, izinto zokugquma, ukutya, amayeza, kunye neekhemikhali zemihla ngemihla. Ngokwembono yokusasazwa kwemarike yabathengi ngokwengingqi, imakethi yaseAsia yeyona imakethi ikhula ngokukhawuleza. Ukususela ngo-2014 ukuya ku-2019, izinga lokukhula konyaka elihlanganisiweyo lemfuno ye-cellulose ether eAsia lifikelele kwi-8.24%. Phakathi kwazo, imfuno ephambili eAsia ivela eTshayina, ibala i-23% yemfuno yehlabathi liphela.

(2)Isishwankathelo semarike yasekhaya ye-non-ionic cellulose ether:

ETshayina, ii-ether ze-ionic cellulose ezimelwe yiI-CMCyaphuhliswa kwangaphambili, yakha inkqubo yemveliso evuthiweyo kunye nomthamo omkhulu wemveliso. Ngokwedatha ye-IHS, abavelisi baseTshayina bathathe phantse isiqingatha somthamo wemveliso yehlabathi weemveliso ezisisiseko ze-CMC. Uphuhliso lwe-non-ionic cellulose ether luqale kade kwilizwe lam, kodwa isantya sophuhliso sikhawuleza.

Ngokwedatha ye-China Cellulose Industry Association, amandla emveliso, imveliso kunye nokuthengiswa kwee-non-ionic cellulose ethers zamashishini asekhaya e-China ukususela ngo-2019 ukuya ku-2021 zezi zilandelayo:

Emva kweminyaka yophuhliso, imakethi ye-ether ye-cellulose ether yaseTshayina engeyiyo i-ionic yenze inkqubela phambili enkulu. Ngo-2021, amandla okuvelisa ayilwe njenge-HPMC yezinto zokwakha aya kufikelela kwiitoni ezili-117,600, imveliso iya kuba ziitoni ezili-104,300, kwaye umthamo wokuthengisa uya kuba ziitoni ezingama-97,500. Iingenelo ezinkulu zoshishino kunye nokwakhiwa kwendawo ziye zafezekisa ukutshintshwa kwekhaya. Nangona kunjalo, kwiimveliso ze-HEC, ngenxa yokuqala kade kwe-R&D kunye nemveliso kwilizwe lam, inkqubo yemveliso enzima kunye nemiqobo yobugcisa ephezulu, amandla okuvelisa angoku, imveliso kunye nomthamo wokuthengisa weemveliso zasekhaya ze-HEC zincinci kakhulu. Nangona kunjalo, kwiminyaka yakutshanje, njengoko amashishini asekhaya eqhubeka nokwandisa utyalo-mali kuphando nophuhliso, ukuphucula umgangatho wetekhnoloji kunye nokuphuhlisa abathengi abasezantsi, imveliso kunye nokuthengisa kuye kwanda ngokukhawuleza. Ngokwedatha evela kwi-China Cellulose Industry Association, ngo-2021, amashishini amakhulu asekhaya i-HEC (equkwe kwizibalo zombutho wezoshishino, zonke iinjongo) anomthamo wemveliso oyilelweyo weetoni ezili-19,000, imveliso yeetoni ezili-17,300, kunye nomthamo wentengiso weetoni ezili-16,800. Phakathi kwazo, umthamo wemveliso unyuke nge-72.73% unyaka nonyaka xa kuthelekiswa no-2020, imveliso inyuke nge-43.41% unyaka nonyaka, kwaye umthamo wentengiso unyuke nge-40.60% unyaka nonyaka.

Njengesongezelelo, umthamo wentengiso we-HEC uchatshazelwa kakhulu yimfuno yemarike esezantsi. Njengentsimi yesicelo esibalulekileyo se-HEC, ishishini leengubo zokwaleka linolwalamano oluhle kakhulu neshishini le-HEC ngokwemveliso kunye nokusasazwa kwemarike. Ngokwembono yokusasazwa kwemarike, imakethi yeshishini leengubo zokwaleka isasazwa kakhulu eJiangsu, eZhejiang naseShanghai eMpuma China, eGuangdong eMzantsi China, kunxweme olusemzantsi-mpuma, naseSichuan eMzantsi China. Phakathi kwazo, imveliso yengubo zokwaleka eJiangsu, eZhejiang, eShanghai naseFujian imalunga ne-32%, kwaye leyo eMzantsi China naseGuangdong imalunga ne-20%. 5 ngasentla. Imakethi yeemveliso ze-HEC ikwagxile kakhulu eJiangsu, eZhejiang, eShanghai, eGuangdong naseFujian. I-HEC okwangoku isetyenziswa kakhulu kwiingubo zokwaleka zokwakha, kodwa ifanelekile kuzo zonke iintlobo zeengubo zokwaleka ezisekelwe emanzini ngokweempawu zayo zemveliso.

Ngowama-2021, imveliso iyonke yonyaka yeengubo zaseTshayina kulindeleke ukuba ibe malunga neetoni ezingama-25.82 ezigidi, kwaye imveliso yeengubo zokwakha kunye neengubo zoshishino iya kuba ziitoni ezizizigidi ezi-7.51 kunye neetoni ezizizigidi ezili-18.31 ngokwahlukeneyo6. Iingubo ezisekelwe emanzini okwangoku zimalunga ne-90% yeengubo zokwakha, kwaye malunga ne-25%, kuqikelelwa ukuba imveliso yepeyinti esekwe emanzini yelizwe lam ngo-2021 iya kuba malunga neetoni ezizizigidi ezili-11.3365. Ngokwethiyori, isixa se-HEC esongeziweyo kwiipeyinti ezisekwe emanzini yi-0.1% ukuya kwi-0.5%, ebalwe ngokomyinge we-0.3%, xa kucingelwa ukuba zonke iipeyinti ezisekwe emanzini zisebenzisa i-HEC njengesongezelelo, imfuno yesizwe ye-HEC yodidi lopende imalunga neetoni ezingama-34,000. Ngokusekelwe kwimveliso iyonke ye-coating yehlabathi eyi-97.6 yezigidi zeetoni ngo-2020 (apho i-architectural coating i-58.20% kunye ne-industrial coating i-41.80%), imfuno yehlabathi ye-coating grade HEC iqikelelwa ukuba imalunga ne-184,000 yeetoni.

Ngamafutshane, okwangoku, isabelo semarike se-HEC yodidi lokugquma yabavelisi basekhaya eTshayina sisephantsi, kwaye isabelo semarike yasekhaya sihlala ikakhulu ngabavelisi bamazwe ngamazwe abamelwe yi-Ashland yase-United States, kwaye kukho indawo enkulu yokutshintshwa kwekhaya. Ngokuphuculwa komgangatho wemveliso ye-HEC yasekhaya kunye nokwandiswa kwamandla emveliso, iya kukhuphisana ngakumbi nabavelisi bamazwe ngamazwe kwicandelo elisezantsi elimelwe ziingubo. Ukutshintshwa kwekhaya kunye nokhuphiswano lwemarike yamazwe ngamazwe kuya kuba yindlela ephambili yophuhliso lwale shishini kwixesha elithile kwixesha elizayo.

I-MHEC isetyenziswa kakhulu kwicandelo lezinto zokwakha. Ihlala isetyenziswa kwi-samente mortar ukuphucula ukugcinwa kwamanzi, ukwandisa ixesha lokuseta i-samente mortar, ukunciphisa amandla ayo okuguquguquka kunye namandla oxinzelelo, kunye nokwandisa amandla ayo okubopha. Ngenxa ye-gel point yolu hlobo lwemveliso, ayisetyenziswa kakhulu kwicandelo leengubo, kwaye ikhuphisana kakhulu ne-HPMC kwicandelo lezinto zokwakha. I-MHEC ine-gel point, kodwa iphezulu kune-HPMC, kwaye njengoko umxholo we-hydroxy ethoxy usanda, i-gel point yayo iya kwicala lobushushu obuphezulu. Ukuba isetyenziswa kwi-mixed mortar, kuyanceda ukulibazisa i-samente slurry kubushushu obuphezulu. I-Bulk electrochemical reaction, inyuse izinga lokugcina amanzi kunye namandla okubopha i-slurry kunye nezinye iziphumo.

Ubungakanani botyalo-mali kwishishini lokwakha, indawo yokwakha izindlu, indawo egqityiweyo, indawo yokuhombisa izindlu, indawo yokuhlaziya izindlu ezindala kunye notshintsho lwazo zezona zinto ziphambili ezichaphazela imfuno ye-MHEC kwimarike yasekhaya. Ukusukela ngo-2021, ngenxa yempembelelo yobhubhane omtsha we-crown pneumonia, umgaqo-nkqubo wezindlu, kunye nemingcipheko yokuthengiswa kwemali kwiinkampani zezindlu, ukuchuma kweshishini lezindlu laseTshayina kuye kwehla, kodwa ishishini lezindlu lisengushishino olubalulekileyo kuphuhliso lwezoqoqosho lwaseTshayina. Phantsi kwemigaqo iyonke "yokucinezela", "ukuthintela imfuno engenangqondo", "ukuzinzisa amaxabiso omhlaba, ukuzinzisa amaxabiso ezindlu, kunye nokuzinzisa ulindelo", igxininisa ekugxileni ekulungiseni isakhiwo sobonelelo sexesha eliphakathi nelide, ngelixa igcina ukuqhubeka, uzinzo, kunye nokungaguquguquki kwemigaqo-nkqubo yolawulo, kunye nokuphucula imakethi yezindlu yexesha elide. Indlela yolawulo esebenzayo yokuqinisekisa uphuhliso lwexesha elide, oluzinzileyo nolusempilweni lwemakethi yezindlu. Kwixesha elizayo, uphuhliso lweshishini lezindlu luya kuba luphuhliso olukumgangatho ophezulu olunomgangatho ophezulu kunye nesantya esiphantsi. Ngoko ke, ukwehla kwangoku kwimpumelelo yeshishini lezindlu kubangelwa kukulungiswa kancinci kancinci kweshishini kwinkqubo yokungena kwinkqubo yophuhliso oluphilileyo, kwaye ishishini lezindlu lisenendawo yophuhliso kwixesha elizayo. Kwangaxeshanye, ngokutsho "kweSicwangciso seMinyaka emihlanu se-14 soPhuhliso lwezoQoqosho neNtlalo lweSizwe kunye neNgcaciso yeeNjongo zeXesha elide lika-2035", kucetyiswa ukuba kutshintshwe indlela yophuhliso lwedolophu, kubandakanya ukukhawulezisa ukuvuselelwa kwedolophu, ukuguqula nokuphucula uluntu oludala, iifektri ezindala, imisebenzi yeendawo zesitokhwe ezifana neebhloko ezindala kunye neelali zasezidolophini, kunye nokukhuthaza ukuhlaziywa kwezakhiwo ezindala kunye nezinye iinjongo. Ukwanda kwemfuno yezixhobo zokwakha ekuhlaziyweni kwezindlu ezindala kukwayindlela ebalulekileyo yokwandisa indawo yemarike ye-MHEC kwixesha elizayo.

Ngokwezibalo ze-China Cellulose Industry Association, ukususela ngo-2019 ukuya ku-2021, imveliso ye-MHEC ngamashishini asekhaya yayiyi-34,652 tons, ii-34,150 tons kunye nee-20,194 tons ngokwahlukeneyo, kwaye umthamo wentengiso yayiyi-32,531 tons, ii-33,570 tons kunye nee-20,411 tons ngokwahlukeneyo, nto leyo ebonisa ukuhla ngokubanzi. Isizathu esiphambili kukubaI-MHECkunye ne-HPMC zinemisebenzi efanayo, kwaye zisetyenziswa kakhulu kwizixhobo zokwakha ezifana nodaka. Nangona kunjalo, ixabiso kunye nexabiso lokuthengisa le-MHEC liphezulu kunelo le-I-HPMC. Kwimeko yokukhula okuqhubekayo kwamandla emveliso ye-HPMC yasekhaya, imfuno yemarike ye-MHEC yehlile. Ngo-2019 Ngo-2021, uthelekiso phakathi kwemveliso ye-MHEC kunye ne-HPMC, umthamo wentengiso, ixabiso eliphakathi, njl.njl. lulandelayo: