Izindaba

Njengengxube ebaluleke kakhulu ekwakheni imikhiqizo yodaka oluxutshwe okomile, i-cellulose ether idlala indima ebalulekile ekusebenzeni nasekubizeni kodaka oluxutshwe okomile. Kunezinhlobo ezimbili zama-cellulose ethers: eyodwa iyi-ionic, njenge-sodium carboxymethyl cellulose (CMC), kanti enye ayiyona i-ionic, njenge-methyl ...Funda kabanzi»

Ubumsulwa be-hydroxypropyl methylcellulose ekwakheni i-insulation mortar kanye ne-putty powder buthinta ngqo ikhwalithi yokwakha yobunjiniyela, ngakho-ke yiziphi izici ezithinta ubumsulwa be-hydroxypropyl methylcellulose? Ake ngikuphendulele lo mbuzo. Enqubweni yokukhiqiza ye-h...Funda kabanzi»

I-Hydroxypropyl methylcellulose (i-HPMC ngamafuphi) iyi-ether exubile ebalulekile, eyi-polymer engeyona i-ionic encibilikayo emanzini, futhi isetshenziswa kabanzi ekudleni, kwezokwelapha, embonini yamakhemikhali yansuku zonke, ekumbozeni, ekuphenduleni kwe-polymerization kanye nasekwakheni njengokumiswa kokuhlakazeka, ukuqina, ukuhlanganisa, ukuzinza...Funda kabanzi»

Ukufaka isembozo esingangeni manzi se-asphalt yerabha esheshayo kuyisembozo esisekelwe emanzini. Uma i-diaphragm ingagcinwanga ngokugcwele ngemva kokufutha, amanzi ngeke aphele ngokuphelele, futhi amabhamuza omoya aminyene azovela kalula ngesikhathi sokubhaka okushisa okuphezulu, okuholela ekunciphiseni kwesembozo esingangeni manzi...Funda kabanzi»

Siyazi ukuthi i-hydroxypropyl methylcellulose iyi-powdery into etholakala ekamelweni lokushisa, futhi i-powder iyafana, kodwa uma uyibeka emanzini, amanzi azoba viscous ngalesi sikhathi, Futhi ngezinga elithile le-viscosity, singayibona kahle ngokusebenzisa izici ...Funda kabanzi»

1. Imboni yokumboza: Isetshenziswa njengesithambisi, isihlakazi kanye nesiqinisi embonini yokumboza, futhi ihambisana kahle namanzi noma izinyibilikisi eziphilayo. Njengesisusa upende. 2. Imboni yokukhiqiza i-ceramic: Isetshenziswa kabanzi njenge-binder ekwenziweni kwemikhiqizo ye-ceramic. 3. Okunye: Lokhu ...Funda kabanzi»

I-Hydroxyethyl cellulose iyi-polymer encibilikayo emanzini engeyona i-ionic eyenziwe nge-cellulose, into yemvelo ye-polymer, ngokusebenzisa uchungechunge lwezinqubo zamakhemikhali. Iyinto eqinile emhlophe noma ephuzi, engenaphunga futhi engenambitheki njengempuphu, engancibilikiswa emanzini abandayo nasemanzini ashisayo, kanye ne-dissolu...Funda kabanzi»

1. Igama lomkhiqizo: 01. Igama lamakhemikhali: hydroxypropyl methylcellulose 02. Igama eligcwele ngesiNgisi: Hydroxypropyl Methyl Cellulose 03. Isifinyezo sesiNgisi: HPMC 2. Izakhiwo zomzimba nezamakhemikhali: 01. Ukubukeka: impuphu emhlophe noma engemhlophe. 02. Usayizi wezinhlayiya; izinga lokudlula le-mesh engu-100 likhulu kuno-98...Funda kabanzi»

I-Hydroxypropyl methylcellulose (HPMC) iyi-non-ionic cellulose ether eyenziwe nge-cellulose yemvelo ye-polymer ngokusebenzisa uchungechunge lwezinqubo zamakhemikhali. Ziyimpuphu emhlophe engenaphunga, engenambitheki futhi engenabuthi evuvukala ibe yisisombululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo. Ine...Funda kabanzi»

Ukugcinwa kwamanzi kwe-hydroxypropyl methylcellulose ether Ukugcinwa kwamanzi kwe-dry mix mortar kubhekisela ekhonweni le-mortar lokubamba nokukhiya amanzi. Uma i-hydroxypropyl methylcellulose ether iphakeme, ukugcinwa kwamanzi kungcono. Ngoba isakhiwo se-cellulose siqukethe i-hydroxyl...Funda kabanzi»

Ukuhanjiswa kokukhanya kwe-hydroxypropyl methylcellulose kuthinteka kakhulu yilawa maphuzu alandelayo: 1. Ikhwalithi yezinto zokusetshenziswa. Okwesibili, umphumela we-alkalizing. 3. Isilinganiso senqubo 4. Isilinganiso se-solvent 5. Umphumela we-neutralization Eminye imikhiqizo iguquguquka njengobisi ngemva kokuncibilikiswa...Funda kabanzi»

Uma senza futhi sisebenzisa i-putty powder, sizobhekana nezinkinga ezahlukahlukene. Namuhla, esikhuluma ngakho ukuthi uma i-putty powder ixutshwa namanzi, lapho uvuselela kakhulu, i-putty izoba ncane, futhi isimo sokuhlukaniswa kwamanzi sizoba sibi kakhulu. Imbangela yale nkinga...Funda kabanzi»