1. Izinto ezithandekayo
(1) Ukusekelwa kwenqubomgomo
Njengezinto ezintsha ezisekelwe ku-bio kanye nezinto eziluhlaza futhi ezinobungani nemvelo, ukusetshenziswa okubanzi kwei-cellulose etherEmkhakheni wezimboni kukhona umkhuba wokuthuthukisa ukwakha umphakathi onobungani nemvelo futhi osindisa izinsiza esikhathini esizayo. Ukuthuthukiswa kwemboni kuhambisana nomgomo omkhulu wezwe lami wokufeza intuthuko yezomnotho esimeme. Uhulumeni waseShayina ukhiphe izinqubomgomo nezinyathelo ngokulandelana ezifana nokuthi “Uhlelo Lukazwelonke Lokuthuthukiswa Kwesayensi Nobuchwepheshe Besikhathi Esimaphakathi Neside (2006-2020)” kanye “Nohlelo Lokuthuthukiswa Kwemboni Yokwakha “Uhlelo Lweshumi Nambili Lweminyaka Emihlanu” ukusekela imboni ye-cellulose ether.
Ngokusho kombiko othi “2014-2019 China Pharmaceutical Food Grade Cellulose Ether Market Monitoring and Investment Prospect Analysis Report” okhishwe yi-China Industry Information Network, izwe liphinde lakha amazinga aqinile okuvikela imvelo, okuye kwaphakamisa ukugcizelela ezindabeni zokuvikela imvelo ezingeni elisha. Izijeziso ezinkulu zokungcola kwemvelo zidlale indima enhle ekuxazululeni izinkinga ezifana nokuncintisana okungahlelekile embonini ye-cellulose ether kanye nokuhlanganisa amandla okukhiqiza imboni.
(2) Ithuba lokufaka izicelo ezingezansi libanzi futhi isidingo siyanda
I-Cellulose ether yaziwa ngokuthi “i-industrial monosodium glutamate” futhi ingasetshenziswa emikhakheni eyahlukene yomnotho wezwe. Intuthuko yomnotho izoqhubekisela phambili ukukhula kwemboni ye-cellulose ether. Ngokuthuthuka okuqhubekayo kwenqubo yokufudukela emadolobheni ezweni lami kanye nokutshalwa kwezimali okuqinile kukahulumeni ezimpahleni eziqinile nasezindlini ezingabizi, imboni yokwakha nezinto zokwakha izokwandisa kakhulu isidingo se-cellulose ether. Emikhakheni yezokwelapha nokudla, ukuqwashisa kwabantu ngempilo nokuvikelwa kwemvelo kuyanda kancane kancane. Imikhiqizo ye-cellulose ether engenangozi ngokomzimba futhi engangcolisi njenge-HPMC izothatha indawo yezinye izinto ezikhona kancane kancane futhi ithuthuke ngokushesha. Ngaphezu kwalokho, ukusetshenziswa kwe-cellulose ether ezintweni zokumboza, izinto zobumba, izimonyo, isikhumba, iphepha, irabha, amakhemikhali ansuku zonke kanye neminye imboni kuya ngokuya kuba kukhulu.
(3) Intuthuko yezobuchwepheshe iqhubekisela phambili intuthuko yemboni
Esigabeni sokuqala sokuthuthukiswa kwemboni ye-cellulose ether yezwe lami, i-ionic carboxymethyl cellulose ether (CMC) yayingumkhiqizo oyinhloko. Ngokukhiqizwa kwe-ionic cellulose ether emelwe yi-PAC kanye ne-non-ionic cellulose ether emelwe yi-HPMC Ngokuthuthuka nokuvuthwa kwenqubo, insimu yokusetshenziswa kwe-cellulose ether iye yandiswa. Ubuchwepheshe obusha kanye nemikhiqizo emisha kuzothatha indawo yemikhiqizo yendabuko ye-cellulose ether esikhathini esidlule futhi kukhuthaze ukuthuthukiswa kwemboni.
2. Izinto ezingathandeki
(1) Ukuncintisana okungahlelekile emakethe
Uma kuqhathaniswa namanye amaphrojekthi amakhemikhali, isikhathi sokwakhiwa kwephrojekthi ye-cellulose ether sifushane futhi imikhiqizo isetshenziswa kabanzi, ngakho-ke kukhona isenzakalo sokwanda okungahlelekile embonini. Ngaphezu kwalokho, ngenxa yokuntuleka kwezindinganiso zemboni kanye nemigomo yemakethe eyakhiwe yisifundazwe, kunezinkampani ezincane ezinezinga eliphansi lobuchwepheshe kanye nokutshalwa kwezimali okulinganiselwe embonini; ezinye zazo zinezinkinga zokungcoliswa kwemvelo ngamazinga ahlukahlukene enkambisweni yokukhiqiza, futhi zisebenzisa ikhwalithi ephansi. Izindleko eziphansi kanye nentengo ephansi elethwa ukutshalwa kwezimali okuphansi kokuvikelwa kwemvelo kuthinte imakethe ye-cellulose ether, okuholele esimweni sokuncintisana okungahlelekile emakethe. Ngemuva kokwethulwa kobuchwepheshe obusha kanye nemikhiqizo emisha, indlela yokususa imakethe izothuthukisa isimo esikhona sokuncintisana okungahlelekile.
(2) Imikhiqizo yobuchwepheshe obuphezulu kanye nemikhiqizo enenani eliphezulu ilawulwa yizizwe zakwamanye amazwe
Imboni ye-cellulose ether yangaphandle yaqala ngaphambilini, kanti amabhizinisi okukhiqiza amelwe yi-Dow Chemical and Hercules Group e-United States asesimweni esiphambili ngokuphelele ngokwefomula yokukhiqiza kanye nobuchwepheshe. Zivinjelwe ubuchwepheshe, izinkampani ze-cellulose ether zasekhaya zikhiqiza kakhulu imikhiqizo enenani eliphansi enezindlela zenqubo ezilula kanye nobumsulwa obuphansi bomkhiqizo, kuyilapho izinkampani zakwamanye amazwe zilawule imakethe yemikhiqizo ye-cellulose ether enenani eliphezulu ngokusebenzisa izinzuzo zobuchwepheshe; ngakho-ke, Emakethe ye-cellulose ether yasekhaya, imikhiqizo ephezulu idinga ukungeniswa futhi imikhiqizo ephansi inezindlela zokuthumela ngaphandle ezibuthakathaka. Nakuba amandla okukhiqiza embonini ye-cellulose ether yasekhaya ekhule ngokushesha, ukuncintisana kwayo emakethe yamazwe ngamazwe kubuthakathaka. Ngokuthuthuka kwemboni ye-cellulose ether, izinzuzo zemikhiqizo enenani eliphansi zizoqhubeka nokuncipha, futhi amabhizinisi asekhaya kumele afune impumelelo kwezobuchwepheshe ukuze aphule ubukhosi bamabhizinisi angaphandle emakethe yemikhiqizo ephezulu.
(3) Ukuguquguquka kwamanani ezinto zokusetshenziswa
Ukotini ocwengisisiwe, izinto eziyinhloko zokusetshenziswai-cellulose ether, umkhiqizo wezolimo. Ngenxa yezinguquko endaweni yemvelo, umkhiqizo kanye nentengo kuzoshintshashintsha, okuzoletha ubunzima ekulungiseleleni izinto zokusetshenziswa kanye nokulawulwa kwezindleko zezimboni eziseduze.
Ngaphezu kwalokho, imikhiqizo ye-petrochemical efana ne-propylene oxide kanye ne-methyl chloride nayo iyizinto ezibalulekile zokusetshenziswa ekukhiqizweni kwe-cellulose ether, futhi amanani ayo athintwa kakhulu ukuguquguquka emakethe kawoyela ongahluziwe. Izinguquko esimweni sezombusazwe samazwe ngamazwe zivame ukuba nomthelela emananini kawoyela ongahluziwe, ngakho-ke abakhiqizi be-cellulose ether kudingeka babhekane nemiphumela emibi yokuguquguquka njalo kwamanani kawoyela ekukhiqizweni nasekusebenzeni kwabo.
Isikhathi sokuthunyelwe: Ephreli-28-2024