Cellulose etherke lentsoe le akaretsang bakeng sa mefuta e fapaneng ea lintho tse nkiloeng ho tsoa selulose ea tlhaho (k'hothone e hloekisitsoeng le makhasi a lehong, joalo-joalo) Sehlahisoa se hlahisoang ke sehlahisoa se tsoang tlaase ho selulose. Ka mor'a etherification, cellulose e qhibiliha ka metsing, e hlapolla tharollo ea alkali le motsoako oa tlhaho, 'me e na le thermoplasticity. Ho na le mefuta e mengata ea li-cellulose ethers, tse sebelisoang haholo kahong, samente, pente, meriana, lijo, peterole, lik'hemik'hale tsa letsatsi le letsatsi, masela, ho etsa pampiri le likarolo tsa elektronike le liindasteri tse ling. Ho ea ka palo ea li-substitute, e ka aroloa ka ether e le 'ngoe le ether e tsoakiloeng,' me ho ea ka ionization, e ka aroloa ka ionic cellulose ether le non-ionic cellulose ether. Hajoale, lihlahisoa tsa ionic cellulose ether ionic li na le thekenoloji ea tlhahiso e butsoitseng, ho itokisa habonolo, litšenyehelo tse batlang li le tlase, le litšitiso tse tlase tsa indasteri. Li sebelisoa haholo ho li-additives tsa lijo, lisebelisoa tsa masela, lik'hemik'hale tsa letsatsi le letsatsi le masimo a mang, 'me ke tsona lihlahisoa tse ka sehloohong' marakeng.
Hajoale, li-ether tsa cellulose tse tloaelehileng lefatšeng liCMC, HPMC, MC, HEC, joalo-joalo har'a bona, CMC e na le tlhahiso e kholo ka ho fetisisa, e ikarabellang bakeng sa halofo ea tlhahiso ea lefats'e, ha HPMC le MC li etsa karolo ea 33% ea tlhoko ea lefats'e, leHECe nka karolo ea 50% ea tlhoko ea lefats'e. 13% ea 'maraka. Tšebeliso ea bohlokoa ka ho fetisisa ea carboxymethyl cellulose (CMC) ke sesepa, e ikarabellang bakeng sa hoo e ka bang 22% ea tlhokahalo ea 'maraka o tlaase,' me lihlahisoa tse ling li sebelisoa haholo-holo masimong a thepa ea mohaho, lijo le meriana.
Lisebelisoa tse tlase
Nakong e fetileng, ka lebaka la tsoelo-pele e fokolang ea tlhokahalo ea naha ea heso ea cellulose ether masimong a lik'hemik'hale tsa letsatsi le letsatsi, meriana, lijo, liphahlo, joalo-joalo, tlhokahalo ea cellulose ether Chaena e ne e tsepamisitsoe haholo tšimong ea thepa ea mohaho. Ho fihlela kajeno, indasteri ea thepa ea mohaho e ntse e ikarabella bakeng sa 33% ea tlhokahalo ea cellulose ether ea naha ea heso. Tlhokahalo ea ether ea selulose ea naha ea heso tšimong ea thepa ea ho haha e se e tletse, 'me tlhokahalo ea masimo a lik'hemik'hale tsa letsatsi le letsatsi, meriana, lijo, liphahlo, joalo-joalo e ntse e hōla ka potlako le nts'etsopele ea theknoloji ea kopo. Ka mohlala, lilemong tsa morao tjena, li-capsules tsa meroho tse nang le cellulose ether e le eona ntho e ka sehloohong e tala, le nama ea maiketsetso, sehlahisoa se hlahang se entsoeng ka cellulose ether, se na le menyetla e pharaletseng ea tlhokahalo le sebaka sa ho hōla.
Ho nka tšimo ea thepa ea mohaho e le mohlala, cellulose ether e na le thepa e babatsehang e kang ho teteaneng, ho boloka metsi le ho lieha. Ka hona, thepa ea ho haha selulo ea ether e sebelisoa haholo ho ntlafatsa tlhahiso ea seretse se seng se lokiselitsoe (ho kenyeletsoa seretse se nang le metsi le seretse se omileng), resin ea PVC, joalo-joalo, pente ea latex, putty, joalo-joalo. lihlahisoa tsa thepa ea mohaho. Ka lebaka la ntlafatso ea boemo ba litoropo tsa naha ea heso, nts'etsopele e potlakileng ea indasteri ea thepa ea moaho, ntlafatso e tsoelang pele ea boemo ba mochini oa kaho, le litlhoko tse ntseng li eketseha tsa ts'ireletso ea tikoloho ea bareki bakeng sa thepa ea moaho li tsamaisitse tlhoko ea li-non-ionic cellulose ethers. lebaleng la thepa ea ho haha. Nakong ea Moralo oa Lilemo tse hlano, naha ea heso e potlakisitse phetoho ea mek’huk’hu ea litoropo le matlo a sohlokehileng, ’me ea matlafatsa kaho ea meralo ea motheo ea litoropo, ho kenyeletsoa le ho potlakisa phetoho ea mek’huk’hu le metsana ea litoropo, ka mokhoa o hlophisehileng ho khothaletsa tokiso e phethahetseng ea libaka tsa khale tsa bolulo. matlo a senyehileng a khale le lisebelisoa tse sa fellang Ho nchafatsoa ha matlo le tse ling. Karolong ea pele ea 2021, sebaka sa meaho e sa tsoa qala ea bolulo ea lehae e ne e le lisekoere-mithara tse limilione tse 755.15, keketseho ea 5.5%. Sebaka se phethiloeng sa matlo e ne e le lisekoere-mithara tse limilione tse 364.81, keketseho ea 25.7%. Ho tsosolosoa ha sebaka se phethiloeng sa thekiso ea matlo ho tla khanna tlhokahalo e amanang le eona tšimong ea thepa ea mohaho ea cellulose ether.
Mokhoa oa tlhōlisano ea 'maraka
Naha ea heso ke mohlahisi e moholo oa cellulose ether lefatšeng. Mothating ona, thepa ea kaho ea lehae ea mofuta oa cellulose ether e se e le sebakeng sa lehae. Shandong Heda ke khoebo e etelletseng pele lefapheng la cellulose ether naheng ea China. Bahlahisi ba bang ba ka sehloohong ba malapeng ba kenyelletsa Shandong Ruitai, Shandong Yiteng, le North Tianpu Chemical, Yicheng Cellulose, joalo-joalo. Lote. Ho phaella ho Shandong Heda le lik'hamphani tse ling tse nang le matla a lithane tse fetang 10,000, ho na le bahlahisi ba bangata ba nyenyane ba li-cellulose ethers tse se nang ionic tse nang le matla a lithane tse 1,000. Lijo tsa maemo a holimo le lihlahisoa tsa boemo ba meriana.
Ho kenya le ho romela kantle ho naha ea cellulose ether
Ka 2020, ka lebaka la ho fokotseha ha bokhoni ba tlhahiso ea lik'hamphani tsa kantle ho naha ka lebaka la seoa sa mose ho maoatle, palo ea thomello ea cellulose ether naheng ea heso e bonts'itse kholo ea kholo e potlakileng. Ka 2020, thomello ea cellulose ether e tla fihla ho lithane tse 77,272. Leha bophahamo ba modumo ya diyantle tsa naha ea hesocellulose ethere hōlile ka potlako, lihlahisoa tse romelloang linaheng tse ling haholo-holo li haha selulose ether, ha palo ea thepa e tsoang linaheng tse ling ea meriana le lijo tsa cellulose ether e nyenyane haholo, 'me boleng bo eketsehileng ba lihlahisoa tsa thepa e tsoang linaheng tse ling bo tlaase. Hajoale, bophahamo ba thomello ea thepa ea cellulose ether ea naha ea heso bo mena hane ho palo ea thepa e tsoang kantle ho naha, empa boleng ba thomello e ka tlase ho habeli boleng ba theko e tsoang kantle ho naha. Sebakeng sa lihlahisoa tse phahameng, ts'ebetso ea ho kenya sebaka sa kantle ho naha ea cellulose ether ea malapeng e ntse e e-na le sebaka se ngata sa nts'etsopele.
Nako ea poso: Apr-26-2024