1. Kunezinhlobo eziningana ze-hydroxypropyllyrprop hpmc, futhi umehluko muni phakathi kokusetshenziswa kwazo?
Impendulo: I-Hydroxypropylm methylcellulose hpmc ingahlukaniswa ngohlobo olusheshayo nohlobo olushisayo olushisayo. Imikhiqizo yohlobo olusheshayo isabalala ngokushesha emanzini abandayo futhi inyamalala emanzini. Ngalesi sikhathi, uketshezi alunakubonakala, ngoba i-HPMC ihlakazeka emanzini kuphela, akukho kuncibilika kwangempela. Ngemuva kwemizuzu emi-2, i-viscosity yoketshezi inyuke kancane kancane, yakha i-colloid esobala ye-viscous. Imikhiqizo eshisayo echithiwe, lapho uhlangabezana namanzi abandayo, ungasabalalisa ngokushesha emanzini ashisayo bese unyamalala emanzini ashisayo. Lapho amazinga okushisa ehla emazingeni okushisa athile, i-viscosity avele kancane kuze kube kwakhiwa i-colloid esobala. Uhlobo olushisayo olushisayo lungasetshenziswa kuphela ku-putty powder nodaka. Ku-glue uketshezi kanye nopende, kwenzeke into ethambile futhi ngeke isetshenziswe. Uhlobo olusheshayo lunebanga elibanzi lezicelo. Ingasetshenziswa ku-putty powder nodaka, kanye ne-glue key upende, ngaphandle kokuphikiswa.
2. Iyini inhloso esemqoka ye-hydroxypropylllm methylcellulose (HPMC)?
A: I-HPMC isetshenziswa kabanzi ezintweni zokwakha, izimbobo, ama-desin zokwenziwa, ama-ceramics, umuthi, ukudla, izimonyo, ugwayi kanye nezinye izimboni. I-HPMC ingahlukaniswa ibe: Ibanga lokwakha, ibanga lokudla kanye nebanga lezemithi ngokwenhloso. Njengamanje, iningi lemikhiqizo yasekhaya ibangeni lokwakha. Ebangeni lokwakha, inani le-putty powder likhulu kakhulu, cishe ama-90% asetshenziselwa i-putty powder, futhi konke kusetshenziselwa udaka ngosimende neglue.
3. Iziphi izindlela eziqothulayo ze-hydroxypropyllyllose methylcellulose hpmc?
Impendulo: Indlela eshisayo yokuchithwa kwamanzi Izindlela ezimbili ezijwayelekile zichazwa ngale ndlela elandelayo:
1), engeza i-1/3 noma 2/3 yenani lamanzi adingekayo esitsheni, bese uyishisa ku-70 ° C, ngokwendlela ye-1), esabalalisa i-HPMC, lungiselela i-Slurry eshisayo; Ngemuva kwalokho engeza inani elisele lamanzi abandayo emanzini ashisayo ku-slurry, ingxube yehlisiwe ngemuva kokuvusa.
Indlela yokuxuba ye-powder: hlanganisa i-hpmc powder enesamba esikhulu sezinye izinto eziyimpungushe, bese ufaka amanzi ukuze uncibilike, ngoba i-HPMC ingachithwa ngalesi sikhathi, ngoba kune-HPMC encane ekhoneni elincanyana ngalinye. I-powder izoncibilika ngokushesha ukuxhumana namanzi. - - Indlela yasetshenziswa yi-putty powder kanye nabakhiqizi bakwaDitara. [I-Hydroxypropyl Methylcellulose (HPMC) isetshenziswa njenge-reatriner kanye ne-ejenti yokugcina amanzi ku-putty powder udaka.
2), faka inani elidingekayo lamanzi ashisayo esitsheni, bese usishisa cishe ku-70 ℃. I-hydroxypropyllylylyl yangezwa kancane kancane ngokuvusa kancane, ekuqaleni i-hpmc entantayo ebusweni bamanzi, bese kancane kancane yakha kancane kancane, eyayipholile ngokuvusa ama-slurry.
4. Ungahlulela kanjani ikhwalithi ye-hydroxypropyllykylm methylcellulose (HPMC) kalula futhi ngokuqondile?
Impendulo: (1) Ukudonsela phansi okuthile: Kukhudlwana amandla adonsela phansi athile, okusindayo kube ngcono. kukhulu, imvamisa ngoba
. Kodwa-ke, iningi lemikhiqizo emihle limhlophe.
(3) Ubuciko: Ubumsulwa be-HPMC ngokuvamile buka-80 mesh no-100 mesh, kanti ama-mesh ayi-120 awaphansi. Iningi le-HPMC elikhiqizwa eHebei lingu-80 mesh. Ubuciko obuhle, okungcono ngokujwayelekile.
. Lapho kuphakamisa ukudluliselwa, okungcono, okubonisa ukuthi kunezinto ezingaphansi kwemali ezingaphansi kwe. Imvume yokuphendula mpo ngokuvamile yinhle, futhi lokho kuphendula okuvundlile kubi kakhulu, kepha akunakushiwo ukuthi ikhwalithi yokuphendula okuthe mpo ingcono kunaleyo yokuphendula okuvundlile, futhi kunezinto eziningi ezinquma ikhwalithi yemikhiqizo. Okuqukethwe kwe-hydroxypropyl kuyo kuphezulu, futhi okuqukethwe kwe-hydroxypropyl kuphezulu, ukugcinwa kwamanzi kungcono.
5
Impendulo: Okuqukethwe kwe-Hydroxypropyl kanye ne-viscosity, iningi labasebenzisi linakekela ngalezi zinkomba ezimbili. Okuqukethwe okuphezulu kwe-hydroxypropyl, okungcono ukugcinwa kwamanzi. I-Viscous, Honzi-Holting, Ngokuvamile (esikhundleni salokho
6. Yini i-viscosity efanele ye-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: I-Putty Powder imvamisa i-yuan eyi-100,000, futhi udaka lufuna kakhulu, futhi kulula ukulisebenzisa ku-150,000 yuan. Ngaphezu kwalokho, iqhaza elibaluleke kakhulu le-HPMC ukugcina amanzi, kulandelwe ukuqina. Ku-putty powder, inqobo nje uma ukugcinwa kwamanzi kuhle futhi i-viscosity iphansi (70,000-80,000), kungenzeka futhi. Vele, uma i-viscosity iphakeme, ukugcinwa kwamanzi okuhlobene kungcono. Lapho i-viscosity idlula i-100,000, umphumela wokuvulelwa kokugcinwa kwamanzi akuyona into eningi. Impela) kungcono futhi, futhi i-viscosity iphakeme, futhi kungcono ukusebenzisa udaka kasimende.
7. Yiziphi izinto eziphambili ezingavuthiwe ze-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: Izinto zokusetshenziswa eziphambili ze-hydroxypropylllylylylyllose (HPMC): I-methyl chloride, i-propelene oxide, ezinye izinto eziluhlaza zifaka i-flake alkali, i-acid, i-toluene, i-isopropanol, njll.
Isikhathi sePosi: Feb-20-2025