Izindaba
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Isetshenziswa kanjani i-Hypromellose (HPMC) kumathebulethi e-matrix akhululiwe?
Embonini yezemithi, i-hypromellose (HPMC, METHOCEL™) ingasetshenziswa njenge-filler, i-binder, i-polymer yokugqoka ithebhulethi kanye ne-excipient eyinhloko ukulawula ukukhululwa kwezidakamizwa.I-Hypromellose isetshenziswe kumaphilisi iminyaka engaphezu kwengu-60 futhi iyisakhi esiyinhloko esisetshenziswa kakhulu kumaphilisi e-hydrophilic gel matrix.Abaningi p...Funda kabanzi -
Iyini ukusetshenziswa kwe-hydroxypropyl methylcellulose ether odakeni oluqhunyiswa emshinini?
Ukwakhiwa kodaka ngemishini kuzanywe futhi kwakhuthazwa iminyaka eminingi eShayina, kodwa ayikho inqubekelaphambili enkulu esele yenziwe.Ngaphezu kokungabaza kwabantu mayelana nezinguquko ezihlasimulisayo ezizolethwa ukwakhiwa kwemishini ezindleleni zokwakha zendabuko, isizathu esiyinhloko ...Funda kabanzi -
Imuphi umphumela i-cellulose ether enawo ezintweni ezisekelwe kusimende?
1. Ukushisa kwe-hydration Ngokusho kwejika lokukhululwa kokushisa kwe-hydration ngokuhamba kwesikhathi, inqubo ye-hydration kasimende ivame ukuhlukaniswa ngezigaba ezinhlanu, okungukuthi, isikhathi sokuqala se-hydration (0 ~ 15min), isikhathi sokungeniswa (15min ~ 4h) , isikhathi sokusheshisa nesokusetha (4h~8h), ukwehlisa ijubane ...Funda kabanzi -
Kuthiwani nge-hydroxypropyl methylcellulose 400 viscosity njengodaka oluzilinganisa?
I-self-leveling mortar iyimpushana ehlanganisiwe eyomile eyakhiwe ngezithako ezihlukahlukene ezisebenzayo, ezingasetshenziswa ngemva kokuxubana namanzi esizeni.Ngemuva kokusabalalisa okuncane nge-scraper, indawo ephezulu yesisekelo esiphezulu ingatholakala.Isivinini sokuqina siyashesha, futhi ungahamba kuso phakathi namahora angama-24...Funda kabanzi -
Ingabe uyayiqonda indima ebalulekile ye-cellulose ether odakeni oluxubile?
Ngodaka oluhlanganisiwe, inani elingeziwe le-cellulose ether liphansi kakhulu, kodwa lingathuthukisa kakhulu ukusebenza kodaka olumanzi, futhi liyisithasiselo esiyinhloko esithinta ukusebenza kokwakhiwa kodaka.Ukukhetha okunengqondo kwama-cellulose ethers ezinhlobonhlobo ezahlukahlukene, i-visc ehlukile ...Funda kabanzi -
Yiziphi izici ezithinta ukujiya kwe-cellulose ether?
Ukuqina komphumela we-cellulose ether kuncike: izinga le-polymerization ye-cellulose ether, ukuhlushwa kwesisombululo, izinga le-shear, izinga lokushisa nezinye izimo.Impahla ye-gelling yesisombululo ihlukile ku-alkyl cellulose kanye nokuphuma kwayo okuguquliwe.Izakhiwo ze-gelation ziyi-r...Funda kabanzi -
Isebenza kahle kangakanani i-hydroxyethyl cellulose njenge-thickener?
I-Cellulose iyi-polysaccharide eyenza izinhlobonhlobo zama-ether ancibilikayo emanzini.Ama-cellulose thickeners angama-polymers angenakuncibilika emanzini.Umlando wokusetshenziswa kwawo mude kakhulu, iminyaka engaphezu kwengu-30, futhi kunezinhlobonhlobo eziningi.Asasetshenziswa cishe kuwo wonke amapende e-latex futhi angawona ama-thickeners...Funda kabanzi -
Uyini umphumela we-hydroxypropyl methylcellulose odakeni lukasimende?
IHydroxypropyl methylcellulose ingathuthukisa ukumelana nokuhlakazeka kodaka lukasimende.IHydroxypropyl methylcellulose iyinhlanganisela ye-polymer encibilika emanzini.Ngokuvamile kwandisa ukuhambisana kwengxube ngokwandisa i-viscosity yamanzi okuxuba.Ingancibilika emanzini ukwenza i-vi...Funda kabanzi -
Ungawuthola kanjani umlotha we-hydroxypropyl methylcellulose?
Okuqukethwe komlotha kuyinkomba ebalulekile ye-hydroxypropyl methylcellulose.Amakhasimende amaningi avame ukubuza lapho eqonda i-hydroxypropyl methylcellulose: liyini inani lomlotha?IHydroxypropyl methylcellulose enokuqukethwe komlotha omncane kusho ukuhlanzeka okuphezulu;i-cellulose enomlotha omningi isho ukuthi...Funda kabanzi -
Ungakhetha kanjani i-hydroxypropyl methylcellulose yodaka lwe-plaster?
Ivelu ye-pH evamile yemikhiqizo ye-gypsum ine-acidic noma ingathathi hlangothi.Manje kunezinhlobo ezimbili zebanga lokwakha i-hydroxypropyl methylcellulose emakethe: i-cellulose encibilika kancane ne-cellulose esheshayo (S).I-cellulose esheshayo ayifanelekile kumasistimu e-gypsum.Imikhiqizo, ukuncibilika kubi kakhulu...Funda kabanzi -
Umphumela wokwengeza i-cellulose ku-putty powder
Uma sisebenzisa i-putty powder, ngokuvamile kuzoba nezinkinga, ngakho-ke asazi isizathu.Ngicabanga ukuthi kufanele kube nezinhlobo eziyisikhombisa zezinkinga ezivame ukuvela ku-putty powder!Omunye: Kwenze ngokushesha.Lokhu kuhlobene kakhulu nokwengezwa kwe-ash calcium kanye nezinga lokugcinwa kwamanzi kwe-fiber, i ...Funda kabanzi -
Ukusetshenziswa kwe-hydroxypropyl methylcellulose, indlela yokuhlukanisa ikhwalithi ye-HPMC kalula nangokunembile
Ikuphi ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose?——Impendulo: I-HPMC isetshenziswa kakhulu ezintweni zokwakha, okokuhlanganisa, ama-synthetic resin, izitsha zobumba, imithi, ukudla, izindwangu, ezolimo, izimonyo, ugwayi nezinye izimboni.I-HPMC ingahlukaniswa ngebanga lokwakha, ibanga lokudla kanye nekhemisi...Funda kabanzi
