Ngopende, ngokwesiko okubizwa nge-peint eChina. Ukubizwa okubizwa ngokuthi ama-coating kuhlanganiswe ebusweni bento ukuthi ivikelwe noma ukuhlotshiswa, futhi kungakha ifilimu eqhubekayo enamathiselwe ngokuqinile entweni ezokwenziwa.
Iyini i-hydroxyethyl cellulose?
I-Hydroxyyethyl celtulose (HEC), i-White noma elula noma ekhanyisiwe, engenasici, i-non-actic fibrous noma i-powdery eqinile, elungiselelwe yi-alkaline cellulose ne-ethylene oxide (noma i-chlorohydrin), i-genunes ancition infelle Because HEC has good properties of thickening, suspending, dispersing, emulsifying, bonding, film-forming, protecting moisture and providing protective colloids, it has been widely used in oil exploration, coatings, construction, medicine and food, textiles, papermaking and polymers. Polymerization kanye nezinye izinkambu.
Kwenzekani lapho i-hydroxyethyl cellulose ihlangana nezingubo ezisuselwa emanzini?
Njenge-exfractant engeyona eye-ionic, i-hydroxyyethyl cellulose inezinto ezilandelayo ngokungeziwe, ukumisa, ukubopha, ukukhishwa, ukugcinwa kwamafilimu, ukugcinwa kwamanzi, ukugcinwa kwamanzi kanye nokuhlinzeka ngokuvikela ama-colloids:
I-HEC incane emanzini ashisayo noma abandayo, futhi ayinqamuleli ekushiseni okuphezulu noma ukubilisa, okwenza kube nohlu oluningi lwe-soubity kanye ne-viscosity, kanye nokugugulwa okungeyona okushisayo;
Umthamo wokugcinwa kwamanzi kabili lokho ku-methyl cellulose, futhi kunemithetho engcono yokugeleza;
Qhathanisa ne-methyl cellulose ye-methyl kanye ne-hydroxypropylm methyl celtule, amandla asabalalisayo ka-HEC yimbi kakhulu, kepha amandla avikelayo anamandla kakhulu;
Akukona-ionic futhi kungahle kube nobubanzi obuningi bakwamanye ama-polymers ancibilikayo, ama-surfactants, nosawoti. Kungumkhulu we-colloidal omkhulu omuhle kakhulu wezixazululo eziphakeme ze-electrolyte.
Ungayisebenzisa kanjani i-Hydroxyethyl cellulose? Ungayifaka kanjani?
Faka ngqo ngesikhathi sokukhiqiza - le ndlela ilula futhi ithathe isikhathi esincane.
Faka amanzi ahlanzekile kwi-VAT efakwe nge-slender ephezulu. Qala ukushukumisa ngokuqhubekayo ngejubane eliphansi futhi kancane kancane gqulela i-hydroxyethyl cellulose ngokulinganayo kwikhambi. Qhubeka uvuse kuze kube yilapho zonke izinhlayiya zifakwe khona. Bese ungeza okulondoloziwe kanye nezithasiselo ezahlukahlukene. Njengombala, izinsiza ezihlakazekile, amanzi e-ammonia, njll zivuse kuze kube yilapho yonke i-hydroxyethylllles ichitshiyelwa ngokuphelele (i-viscoxyethyll pultule
Ifakwe notshwala bamama.
Kungukulungiselela utshwala bomama onolohlo oluphakeme kuqala, bese ulufaka kumkhiqizo. Inzuzo yale ndlela ukuthi inokuguquguquka okukhulu futhi kungangezwa ngqo kumkhiqizo oqediwe, kepha kufanele kugcinwe kahle. Izinyathelo zale ndlela ziyefana nezinyathelo eziningi ngendlela 1; Umehluko ukuthi asikho isidingo se-agaritator ephezulu, futhi ezinye izikhuthazi ezinamandla anele okugcina i-hydroxyethylllurl purcile efanelwe ngokulinganayo kusatshalaliswa ngesisombululo esingasebenza, futhi qhubekani nivusa kuze kube yisixazululo esibonakalayo. Kodwa-ke, kufanele kuqashelwe ukuthi umenzeli we-antifungal kumele angezwe kuphuzo lotshwala masinyane.
Njengoba i-hydroxyyethylyl ephethwe ingaphezulu i-powder noma i-fibrous esiqinile, uShandong Heda akukhumbuza ukuthi unake amaphuzu alandelayo lapho ulungiselela i-hydroxyethyyl cellulose mama makeome:
(1) Ngaphambi nangemva kokungeza i-hydroxyethyl cellulose, kufanele igcinwe ivuselelwa kuze kube yilapho isixazululo sisobala futhi sicacile.
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(3) Izinga lokushisa lamanzi nenani le-PH lamanzi linobudlelwano obusobala bokuchithwa kwe-hydroxyethyl cellulose, ngakho-ke kufanele kukhokhwe kuwo.
(4) Ungalokothi ungeze ezinye izinto ze-alkali ngayinye engxube ngaphambi kwe-hydroxyethyl cellulose powder ifakwe emanzini. Ukuphakamisa i-PH kuphela ngemuva kokumanzisa kuzosiza ekuqothulweni.
(5) Ngokunokwenzeka, engeza i-antifungal ejenti kusengaphambili.
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Isikhathi sePosi: Feb-20-2025