Focus on Cellulose ethers

Injani imeko yophuhliso lweshishini le-cellulose ether?

1. Ukuhlelwa kwee-ether ze-cellulose

I-Cellulose iyona nxalenye ephambili yeendonga zeeseli zesityalo, kwaye iyona polysaccharide isasazwe kakhulu kwaye ininzi kakhulu kwindalo, ibalwa ngaphezu kwe-50% yekhabhoni yomxholo kwizityalo. Phakathi kwabo, umxholo we-cellulose wekotoni usondele kwi-100%, owona mthombo we-cellulose wendalo ococekileyo. Ngokhuni ngokubanzi, i-cellulose i-akhawunti ye-40-50%, kwaye kukho i-10-30% ye-hemicellulose kunye ne-20-30% ye-lignin.

I-ether ye-cellulose inokwahlulwa ibe yi-ether enye kunye ne-ether exutywe ngokwenani lee-substituents, kwaye inokwahlulwa ibe yi-ionic cellulose ether kunye ne-non-ionic cellulose ether ngokwe-ionization. Ii-ethers zeselulosi eziqhelekileyo zinokwahlulwa zibe Iimpawu.

2. Ukusetyenziswa kunye nomsebenzi we-cellulose ether

I-ether ye-cellulose inegama elithi "industrial monosodium glutamate". Ineepropathi ezigqwesileyo ezinje ngokuqina kwesisombululo, ukunyibilika kakuhle kwamanzi, ukumiswa okanye ukuzinza kwe-latex, ukwenza ifilimu, ukugcinwa kwamanzi, kunye nokunamathela. Kananjalo ayinayo ityhefu kwaye ayinancasa, kwaye isetyenziswa ngokubanzi kwizinto zokwakha, amayeza, ukutya, iingubo, iikhemikhali zemihla ngemihla, ukuhlola i-petroleum, imigodi, i-papermaking, i-polymerization, i-aerospace kunye nezinye iindawo ezininzi. I-ether yeCellulose ineenzuzo zokusetyenziswa okubanzi, ukusetyenziswa kweyunithi encinci, isiphumo esihle sokuguqulwa, kunye nobuhlobo bendalo. Inokuphucula kakhulu kunye nokwandisa ukusebenza kwemveliso kwintsimi yokongezwa kwayo, ehambelana nokuphucula ukusetyenziswa kwezixhobo zokusebenza kunye nexabiso elongezelelweyo kwimveliso. Izongezo ezihambelana nokusingqongileyo eziyimfuneko kwiinkalo ezahlukeneyo.

3. Ikhonkco loshishino lwe-ether cellulose

Impahla ekrwada enyukayo ye-cellulose ether ikakhulu isulungekisiwe/yicotton pulp/wood pulp, enealkalized ukufumana icellulose, emva koko ipropylene oxide kunye nemethyl chloride zongezwa kwi-etherification ukufumana i-cellulose ether. I-cellulose ethers ihlukaniswe ibe yi-non-ionic kunye ne-ionic, kwaye izicelo zabo ezisezantsi zibandakanya izinto zokwakha / iingubo, amayeza, izongezo zokutya, njl.

4. Uhlalutyo lobume bemarike yoshishino lwe-cellulose ether yaseTshayina

a) Umthamo wemveliso

Emva kweminyaka engaphezu kweshumi yomsebenzi onzima, ishishini lelizwe lam le-cellulose ether liye lakhula ukusuka ekuqaleni kwaye lafumana uphuhliso olukhawulezayo. Ukhuphiswano lwayo kushishino olufanayo kwihlabathi luyanda imihla ngemihla, kwaye yenze isikali esikhulu semizi-mveliso kunye nokufakwa kwendawo kwimarike yezixhobo zokwakha. I-Advantes, ukutshintshwa kwempahla yokungenisa elizweni kuye kwaphunyezwa. Ngokwezibalo, amandla okuvelisa i-cellulose ether yelizwe lam iya kuba yi-809,000 yeetoni / ngonyaka ngo-2021, kwaye izinga lokusetyenziswa kwamandla liya kuba ngama-80%. Uxinzelelo lwe-tensile yi-82%.

b) Imeko yemveliso

Ngokwemveliso, ngokwezibalo, imveliso ye-cellulose ether yelizwe lam iya kuba yi-648,000 yeetoni ngo-2021, ukuncipha kwe-2.11% ngonyaka ngo-2020. kwiminyaka emithathu ezayo, ukufikelela kwiitoni ezingama-756,000 ngowama-2024.

c) Ukusasazwa kwemfuno esezantsi

Ngokwezibalo, i-cellulose yasekhaya i-ether yezinto zokwakha ezisezantsi zibalwa kwi-33%, intsimi yepetroleum yayibalelwa kwi-16%, intsimi yokutya yayibalelwa kwi-15%, icandelo lamachiza libalelwa kwi-8%, kunye namanye ama-28%.

Ngokuchasene nemvelaphi yomgaqo-nkqubo wezindlu, izindlu kwaye akukho ntelekelelo, i-real estate industry iye yangena kwinqanaba lohlengahlengiso. Nangona kunjalo, iqhutywe yimigaqo-nkqubo, ukutshintshwa kodaka lwe-samente nge-adhesive tile kuya kuzisa ukwanda kwemfuno yezinto zokwakha ibakala le-cellulose ether. Ngomhla we-14 kuDisemba, i-2021, i-Ofisi yoMphathiswa weZindlu kunye noPhuhliso lwaseziDolophini-maPhandle ukhuphe isibhengezo esithintela "inkqubo yodaka lwesamente yodaka lokujongana nezitena". Izinto zokuncamathelisa ezifana nokuncamathelisa iithayile ziphantsi komlambo we-cellulose ether. Njengendawo endaweni yodaka lwesamente, banezibonelelo zamandla okudibanisa okuphezulu kwaye akukho lula ukuguga kunye nokuwa. Nangona kunjalo, ngenxa yeendleko eziphezulu zokusetyenziswa, izinga lokuthandwa liphantsi. Kwimeko yokuvinjelwa kwenkqubo yokuxuba i-samente yodaka, kulindeleke ukuba ukuthandwa kwe-tile adhesives kunye nezinye i-adhesives ziya kuzisa ukwanda kwemfuno yezinto zokwakha ibakala le-cellulose ether.

d) Ukungenisa nokuthumela ngaphandle

Ukusuka kwimbono yokungenisa kunye nokuthumela ngaphandle, umthamo wokuthumela ngaphandle kweshishini le-ether cellulose yasekhaya mkhulu kunomthamo wokungenisa elizweni, kwaye isantya sokukhula kokuthunyelwa ngaphandle siyakhawuleza. Ukususela kwi-2015 ukuya kwi-2021, umthamo wokuthunyelwa kwe-cellulose ether yasekhaya unyuke ukusuka kwiitoni ezingama-40,700 ukuya kwi-87,900 yeetoni, kunye ne-CAGR ye-13.7%. Izinzile, iguquguquka phakathi kwe-9,500-18,000 yeetoni.

Ngokwexabiso lokungenisa kunye nokuthumela ngaphandle, ngokwezibalo, ukusuka kwisiqingatha sokuqala sika-2022, ixabiso lokungenisa i-cellulose ether yelizwe lam laliyi-79 yezigidi zeedola zase-US, ukwehla konyaka-ngonyaka kwe-4.45%, kunye nexabiso lokuthumela ngaphandle. I-291 yezigidi zeedola zaseMelika, ukunyuka konyaka-ngonyaka kwe-78.18%.

IJamani, iSouth Korea kunye ne-United States zezona mithombo ziphambili zokungeniswa kwe-cellulose ether kwilizwe lam. Ngokwezibalo, ukungeniswa kwe-cellulose ether evela eJamani, eMzantsi Korea nase-United States kubalelwa kwi-34.28%, 28.24% kunye ne-19.09% ngokulandelanayo kwi-2021, ilandelwa yimpahla evela eJapan naseBelgium. I-9.06% kunye ne-6.62%, kunye nezinto ezithengwayo ezivela kwamanye amazwe zibalelwa kwi-3.1%.

Kukho imimandla emininzi yokuthumela ngaphandle ye-cellulose ether kwilizwe lam. Ngokutsho kwezibalo, kwi-2021, i-12.200 yeetoni ze-cellulose ether ziya kuthunyelwa eRashiya, i-akhawunti ye-13.89% yomthamo othunyelwa ngaphandle, i-8,500 yeetoni ukuya eIndiya, i-9.69%, kwaye ithunyelwa eTurkey, eThailand naseChina. I-Brazil yenza i-6.55%, i-6.34% kunye ne-5.05% ngokulandelanayo, kunye nokuthunyelwa kwamanye amazwe kwamanye amazwe kubalelwa kwi-58.48%.

e) Ukusetyenziswa okubonakalayo

Ngokwezibalo, ukusetyenziswa okubonakalayo kwe-cellulose ether kwilizwe lam kuya kuhla kancinci ukusuka kwi-2019 ukuya kwi-2021, kwaye kuya kuba yi-578,000 yeetoni ngo-2021, ukwehla konyaka-ngonyaka kwe-4.62%. Iyakhula unyaka nonyaka kwaye kulindeleke ukuba ifikelele kwiitoni ezingama-644,000 ngo-2024.

f) Uhlahlelo lweMeko yoKhuphiswano lweNdawo yoShishino lweCellulose Etere

IDow yase-United States, iShin-Etsu yaseJapan, i-Ashland yase-United States, kunye neLotte yaseKorea ngabona baboneleli babalulekileyo be-non-ionic cellulose ethers emhlabeni, kwaye bagxile ikakhulu kwi-high-end grade cellulose ethers. Phakathi kwabo, i-Dow kunye ne-Japan ye-Shin-Etsu ngokulandelanayo inamandla okuvelisa iitoni ze-100,000 / ngonyaka we-non-ionic cellulose ethers, kunye noluhlu olubanzi lweemveliso.

Unikezelo lwemveliso ye-cellulose yasekhaya i-ether ihlakazekile, kwaye imveliso ephambili yinto yokwakha ibakala le-cellulose ether, kwaye ukhuphiswano lwe-homogenization lweemveliso lunzulu. Umthamo okhoyo wemveliso yasekhaya ye-cellulose ether yi-809,000 yeetoni. Kwixesha elizayo, umthamo omtsha wemveliso yeshishini lasekhaya uya kuvela ikakhulu eShandong Heda naseQingshuiyuan. Umthamo wemveliso ye-ether ye-cellulose ekhoyo ye-Shandong Heda yi-34,000 yeetoni / ngonyaka. Kuqikelelwa ukuba ngo-2025, amandla okuvelisa i-cellulose ether yaseShandong Heda aya kufikelela kwi-105,000 tons / ngonyaka. Ngo-2020, kulindeleke ukuba ibe ngoyena mthengisi uphambili wehlabathi we-cellulose ethers kwaye yonyuse uxinzelelo kushishino lwasekhaya.

g) Uhlahlelo kwiNdlela yoPhuhliso yoShishino lweCellulose Etere yaseTshayina

INdlela yoPhuhliso lweMakethi yeMathiriyeli yoKwakha iBanga leSelulosi Etere:

Ndiyabulela kuphuculo lwenqanaba lelizwe lam lokuhlala ezidolophini, uphuhliso olukhawulezayo lweshishini lezinto zokwakha, ukuphuculwa okuqhubekayo kwenqanaba lomatshini wokwakha, kunye nokwanda kweemfuno zokhuseleko lokusingqongileyo kubathengi bezinto zokwakha kuqhubele phambili imfuno ye-non-ionic cellulose ethers. kwintsimi yezinto zokwakha. “Uludwe lweSicwangciso seMinyaka yeshumi elineSine soPhuhliso lwezoQoqosho noLuntu lweSizwe” lucebisa ukulungelelanisa ukukhuthazwa kweziseko ezingundoqo zemveli kunye nolwakhiwo olutsha lweziseko ezingundoqo, nokudala inkqubo yeziseko ezingundoqo yala maxesha egqibeleleyo, esebenzayo, esebenzayo, enengqondo, eluhlaza, ekhuselekileyo neyiyo. ethembekileyo.

Ukongeza, nge-14 kaFebruwari, 2020, intlanganiso yeshumi elinesibini yeKomiti ePhakathi yoHlaziyo oluBanzi oluBanzi ibonise ukuba “iziseko ezingundoqo ezitsha” lisikhokelo solwakhiwo lweziseko ezingundoqo zelizwe lam kwixesha elizayo. Intlanganiso iphakamise ukuba “iziseko zophuhliso ziyinkxaso ebalulekileyo kuphuhliso lwezoqoqosho nezentlalo. Ukukhokelwa yintsebenziswano kunye nokudityaniswa, ukulungelelanisa uphuhliso lwesitokhwe kunye nokwandayo, iziseko zemveli kunye neziseko ezitsha, kunye nokudala inkqubo yeziseko ezingundoqo eziqinileyo, ezisebenzayo, ezinoqoqosho, ezikrelekrele, eziluhlaza, ezikhuselekileyo nezithembekileyo. Ukuphunyezwa “kweziseko ezingundoqo ezitsha” kuluncedo ekuqhubeleni phambili ukufudukela kwabantu ezidolophini kwelizwe lam kwicala lobuntlola nobuchwephesha, kwaye kuluncedo ekwandiseni imfuno yasekhaya yemathiriyeli yomgangatho wecellulose ether.

h) iNdlela yoPhuhliso lweMakethi yeBanga loShishino lweCellulose Etere

I-cellulose ethers isetyenziswa ngokubanzi kwiingubo zefilimu, i-adhesives, iifilimu zamachiza, i-ointments, i-dispersants, i-capsules yemifuno, ukulungiswa okuzinzileyo kunye nokulawulwa kokukhululwa kunye neminye imimandla yamayeza. Njengesixhobo samathambo, i-cellulose ether inemisebenzi yokwandisa ixesha lesiphumo seziyobisi kunye nokukhuthaza ukusasazwa kweziyobisi kunye nokuchithwa; njenge-capsule kunye ne-coating, inokuphepha ukuthotywa kunye nokudibanisa kunye nokunyanga ukuphendula, kwaye yinto ebalulekileyo ekrwada kwimveliso ye-excipients yamayeza. Itekhnoloji yesicelo se-pharmaceutical grade cellulose ether ivuthiwe kumazwe aphuhlileyo.

I-ether ye-cellulose yodidi lokutya yinto eyaziwayo yokongeza ukutya okukhuselekileyo. Ingasetyenziswa njenge-thickener yokutya, i-stabilizer kunye ne-moisturizer ukujiya, ukugcina amanzi, kunye nokuphucula incasa. Isetyenziswa kakhulu kumazwe aphuhlileyo, ikakhulu ukubhaka Ukutya, i-collagen casings, i-non-dairy cream, iijusi zeziqhamo, iisosi, inyama kunye nezinye iimveliso zeprotheyini, ukutya okuqhotsiweyo, njl.njl. China, United States, European Union kunye namanye amazwe amaninzi. vumela i-HPMC kunye ne-ionic cellulose ether CMC ukuba isetyenziswe njengezongezo zokutya.

Umlinganiselo we-ether ye-cellulose ether esetyenziswa kwimveliso yokutya kwilizwe lam uphantsi. Isizathu esona sizathu kukuba abathengi basekhaya baqala emva kwexesha ukuba baqonde umsebenzi we-cellulose ether njengesongezelelo sokutya, kwaye kusekho kwinqanaba lesicelo kunye nokukhuthaza kwimarike yasekhaya. Ukongeza, ixabiso le-ether ye-cellulose ether yokutya liphezulu. Kukho iindawo ezimbalwa zokusetyenziswa kwimveliso. Ngokuphuculwa kokuqonda kwabantu ukutya okunempilo, ukusetyenziswa kwe-cellulose ether kwishishini lokutya lasekhaya kulindeleke ukuba kunyuke ngakumbi.


Ixesha lokuposa: Mar-01-2023
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