I-HPMC hydroxypropyl methyl celluloseumkhiqizi umkhiqizi umhlinzeki wefektri umthengisi othumela ngaphandle
Iyini ukusetshenziswa okuyinhloko kwe-HPMC?
I-HPMC ingahlukaniswa ibe yizigaba ezilandelayo: izinga lokwakha, izinga lokudla kanye nezinga lezokwelapha ngokusetshenziswa.
I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezinhlayiyeni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni.
Njengamanje, iningi lebanga lokwakha lasekhaya, ebangeni lokwakha, umthamo wempuphu ye-putty mkhulu, cishe u-90% usetshenziselwa ukwenza i-putty powder, okusele kusetshenziselwa ukwenza udaka lukasimende kanye neglue.
Yiziphi izinto eziyinhloko zokusetshenziswa kwe-HPMC?
Izinto zokusetshenziswa eziyinhloko ze-HPMC: ukotini ocolisisiwe, i-chloromethane, i-propylene oxide. Ezinye izinto zokusetshenziswa yilezi, i-tablet alkali, i-acid, i-toluene, i-isopropanol njalo njalo.
- I-HPMC ihlukaniswe ngezinhlobo eziningana, yimuphi umehluko ekusetshenzisweni kwayo?
I-HPMC ingahlukaniswa ibe uhlobo olusheshayo noluncibilikayo lokushisa.
Imikhiqizo esheshayo, emanzini abandayo ihlakazeka ngokushesha, inyamalale emanzini, ngalesi sikhathi uketshezi alunawo u-viscosity, ngoba i-HPMC ihlakazeka emanzini nje, akukho ukuncibilika kwangempela. Cishe imizuzu emi-2, u-viscosity woketshezi uyanda kancane kancane, kwakha i-colloid ecacile e-viscous. Uhlu olubanzi lokusetshenziswa, ku-putty powder kanye nodaka, kanye ne-glue kanye nopende oluwuketshezi, lungasetshenziswa, akukho mthetho.
Imikhiqizo encibilikayo eshisayo, emanzini abandayo, ingasakazwa ngokushesha emanzini ashisayo, inyamalale emanzini ashisayo, lapho izinga lokushisa lehla liye ezingeni lokushisa elithile, i-viscosity ibonakala kancane kancane, kuze kube yilapho kwakheka i-colloid ecacile e-viscous. Ingasetshenziswa kuphela ku-putty powder kanye nodaka, ku-glue ewuketshezi kanye nopende, kuzoba khona isenzakalo seqembu, asikwazi ukusetshenziswa.
Yiziphi izinkomba zobuchwepheshe eziyinhlokoI-HPMC?
Okuqukethwe kwe-hydroxypropyl kanye ne-viscosity, abasebenzisi abaningi bakhathazekile ngalezi zinkomba ezimbili.
Okuqukethwe kwe-hydroxypropyl kuphezulu, ukugcinwa kwamanzi ngokuvamile kungcono.
Ukuqina, ukugcinwa kwamanzi, ukuhlobana (kodwa hhayi okuphelele) nakho kungcono, kanye nokuqina, kungcono ukusebenzisa okunye ku-samente mortar.
Ingakanani i-viscosity efanele i-HPMC?
Indima ebaluleke kakhulu ye-HPMC ukugcinwa kwamanzi, kulandelwe ukuqina.
Impuphu ye-putty ngokuvamile ingama-cps ayi-100000. Uma nje ukugcinwa kwamanzi kukuhle, i-viscosity iphansi (70,000-80000), kungenzeka futhi, vele, i-viscosity inkulu, ukugcinwa kwamanzi okuhlobene kungcono, uma i-viscosity ingaphezu kuka-100,000, i-viscosity ayinawo umthelela omkhulu ekugcinweni kwamanzi.
Isidingo ku-MORTAR side kakhulu, NGIFUNA ngokujwayelekile izinkulungwane ezingu-150 ukuze nje kube kuhle ukuyisebenzisa.
Ukusetshenziswa kweglue: udinga imikhiqizo esheshayo, i-viscosity ephezulu.
Isikhathi sokuthunyelwe: Ephreli-28-2024