1. Iziphi izindlela zokuchithwa kwe-hydroxypropyllyll methylcellulose hpmc?
Impendulo: Indlela eshisayo yokuchithwa kwamanzi Izindlela ezimbili ezijwayelekile zichazwa ngale ndlela elandelayo:
1), engeza u-1/3 noma 2/3 wenani elidingekayo lamanzi esitsheni, bese usishisa ku-70 ° C, usabalalisa i-HPMC ngokwendlela ye-1), futhi ulungiselele ama-slurry amanzi ashisayo; Ngemuva kwalokho engeza inani elisele lamanzi abandayo kuya ku-Slurry yamanzi ashisayo, ingxube ipholile ngemuva kokuvusa.
Indlela yokuxuba ye-powder: hlanganisa i-hpmc powder enesamba esikhulu sezinye izinto eziyimpungule, bese ufaka amanzi ukuze uncibilike, khona-ke i-HPMC ingachithwa ngalesi sikhathi ngaphandle kwe-HPMC encane kuyo yonke incane I-Corner powder, izoncibilika ngokushesha lapho ukuxhumana namanzi. - Abakhiqizi be-powder kanye nabakhiqizi badaka basebenzisa le ndlela. [I-Hydroxypropyl Methylcellulose (HPMC) isetshenziswa njenge-ejenti yokugcina amanzi e-putty pofter.
2) Beka inani elidingekayo lamanzi ashisayo esitsheni bese usishisa cishe ku-70 ° C. I-hydroxypropyll methylcellose yangezwa kancane kancane ngaphansi kokuvuselelwa kancane, ekuqaleni i-HPMC yantanta ebusweni bamanzi, bese kancane kancane yakha kancane kancane, eyayipholile ngaphansi komoya.
2. Kunezinhlobo eziningana ze-hydroxypropyllyrprose methylcellulose hpmc. Yini umehluko ekusebenziseni kwabo?
Impendulo: I-Hydroxypropyl methylcellulose hpmc ingahlukaniswa ngohlobo olusheshayo nohlobo lokududuzayo. Imikhiqizo yohlobo olusheshayo isabalalela ngokushesha emanzini abandayo futhi inyamalale emanzini. Ngalesi sikhathi, uketshezi alunakubonakala, ngoba i-HPMC ihlakazeka emanzini kuphela, akukho kuncibilika kwangempela. Cishe imizuzu emi-2, i-viscosity yoketshezi inyuka kancane kancane, yakha i-colloid esobala ye-volcous. Imikhiqizo eshisayo ehlekisayo, lapho ihlangana namanzi abandayo, ingahlakazeka ngokushesha emanzini ashisayo bese inyamalala emanzini ashisayo. Lapho amazinga okushisa ehla emazingeni okushisa athile, i-viscosity izovela kancane kancane ize ibe yi-colloid esobala ye-viscous. Uhlobo olushisayo olushisayo lungasetshenziswa kuphela ku-putty powder nodaka. Ku-glue kefu upende, kuzoba khona into ehlelekile futhi ngeke isetshenziswe. Uhlobo olusheshayo lunebanga elibanzi lezicelo. Ingasetshenziswa ku-putty powder kanye nodaka, kanye ne-glue key upende, ngaphandle kokuphikisana.
3. Yini uhlelo lokusebenza oluphambili lwe-hydroxypropllll methylcellulose (HPMC)?
Impendulo: I-HPMC isetshenziswa kabanzi ezintweni zokwakha, izimbobo, ama-desins zokwenziwa, ubumba - ubumba, umuthi, ukuzololwa kwezimboni, izimonyo, ugwayi kanye nezinye izimboni. I-HPMC ingahlukaniswa ibe: Ibanga lokwakha, ibanga lokudla kanye nebanga lezemithi ngokuya ngokusetshenziswa. Njengamanje, iningi lemikhiqizo yasekhaya ibangeni lokwakha. Ebangeni lokwakha, i-putty powder isetshenziswa ngenani elikhulu, cishe ama-90% asetshenziselwa i-putty powder, futhi konke kusetshenziselwa udaka ngosimende neglue.
4. Ungahlulela kanjani ikhwalithi ye-hydroxypropyllykylm methylcellulose (HPMC) kalula futhi ngokuqondile?
Impendulo: (1) Ukudonsela phansi okuthile: Kukhudlwana amandla adonsela phansi athile, okusindayo kube ngcono. Isilinganiso sikhulu, ngokuvamile ngoba
. Kodwa-ke, iningi lemikhiqizo emihle limhlophe.
(3) Ubuchwepheshe: Ubumsulwa be-HPMC ngokuvamile bunama-mesh angama-80 ne-100 mesh, kanti ama-mesh ayi-120 awaphansi. Iningi le-HPMC elikhiqizwa eHebei liyi-80 mesh. Ubuciko obuhle, okungcono ngokuvamile.
. Lapho kuphakama ukudluliselwa kokukhanya, okungcono, okukhombisa ukuthi kunezihlakala ezingaphansi kwalo. . Imvume ye-vertical reactor ilungile ngokuvamile, nokuthi lokho kuphendula okuvundlile kubi, kepha akusho ukuthi ikhwalithi ye-reactoror mpo ingcono kunaleyo yokuphendula okuvundlile, futhi kunezici eziningi zokuthola ikhwalithi yomkhiqizo . Okuqukethwe kweHydroxypropyl Group kuyo kuphezulu, futhi okuqukethwe kweHydroxypropyl Group kuphezulu, futhi ukugcinwa kwamanzi kungcono.
5
Impendulo: Okuqukethwe kwe-Hydroxypropyl kanye ne-viscosity, iningi labasebenzisi likhathazekile ngalezi zinkomba ezimbili. Labo abanokuqukethwe okuphezulu kwe-hydroxypropyl ngokuvamile banokugcinwa okungcono kwamanzi. I-viscosity ephezulu, ukugcinwa kwamanzi, okulingana (kunokuba
6. Yini i-viscosity efanele ye-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: I-putty powder imvamisa i-yuan ayi-100,000, futhi izidingo zodaka ziphakeme, futhi kulula ukuyisebenzisa i-150,000 Yuan. Ngaphezu kwalokho, umsebenzi obaluleke kakhulu we-HPMC ukugcinwa kwamanzi, kulandelwa ukuqina. Ku-putty powder, inqobo nje uma ukugcinwa kwamanzi kuhle futhi i-viscosity iphansi (70,000-80,000), kungenzeka futhi. Vele, ukukhuphuka okuphezulu, kungcono ukugcinwa kwamanzi okuhlobene. Lapho i-viscoty idlula i-100,000, i-viscosity izothinta ukugcinwa kwamanzi. Akusekho. Impela) kungcono futhi, futhi i-viscosity iphakeme, futhi kungcono ukuyisebenzisa ku-cunmer ngosimende.
7. Yiziphi izinto eziphambili ezingavuthiwe ze-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: Izinto zokusetshenziswa eziphambili ze-hydroxypropyllylyllose (HPMC): I-methyl chloride, i-methyl chloride, i-propylene oxide, nezinye izinto eziluhlaza, i-acid soda, i-acid, i-acid, i-acip.
8. Uyini umsebenzi oyinhloko wokusetshenziswa kwe-HPMC ku-Putty Powder, futhi kwenzeka ngamakhemikhali?
Impendulo: Ku-Putty Powder, i-HPMC idlala izindima ezintathu zokuqina, ukugcinwa kwamanzi nokwakha. Ukuqina Ukugcinwa kwamanzi: yenza i-putty powder eyomile kancane, futhi isize i-ash calcium ukuze usabele ngaphansi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inomphumela wokuthambisa, okungenza i-Putty Powder ibe nokwakhiwa okuhle. I-HPMC ayihlanganyeli kunoma yikuphi ukusabela kwamakhemikhali, kepha idlala indima ebalulekile. Ukungeza amanzi ku-putty powder bese ukuwabeka odongeni ukusabela kwamakhemikhali, ngoba kwakhiwa izinto ezintsha. Uma ususa i-putty powder odongeni odongeni olusuka odongeni, ugaye lube yimpuphu, futhi uyisebenzise futhi, ngeke isebenze ngoba yenziwe izinto ezintsha (calcium carbonate). ) Futhi. Izici eziphambili ze-Ash Calcium Powder yilezi: Ingxube ye-CA (OH) 2, I-CAO nenani elincane le-CACO3, i-CAO + H2O = CA (OH) 2 + CO2 = CALCIum Kusemanzini nasemoyeni ngaphansi kwesenzo se-CO2, kukhiqizwa i-calcium calbonate kuphela, lapho i-HPMC igcina kuphela amanzi, isiza ukusabela okungcono kwe-ASH Calcium, futhi ayihlanganyeli kunoma yikuphi ukusabela.
9. I-HPMC iyi-ether engeyona eye-cellulose, ngakho-ke yini okungeyona eye-ionic?
Impendulo: Ngemigomo ye-Lamben, okungeyona eye-Ion yinto engeke iogole emanzini. I-Ionization isho inqubo lapho i-electrolyte ihlukaniswe khona ngama-ion ashadiwe angahamba ngokukhululeka kwi-solvent ethile (njengamanzi, utshwala). Isibonelo, i-sodium chloride (i-NACL), usawoti esiwudlayo nsuku zonke, anciphise emanzini kanye nama-ionizes ukukhiqiza ngokukhululekile ama-sodium ion (NA +) akhokhiswa kahle nama-chloride ions (cl) akhokhiswa kabi. Lokho kusho ukuthi, lapho i-HPMC ibekwa emanzini, ngeke ihlukanise ama-ions amakhokho, kepha ikhona ngesimo sama-molecule.
10. Ngabe kukhona ubudlelwano phakathi kwethonsi le-putty powder ne-hpmc?
Impendulo: Ukulahleka kwempuphu ye-putty powder kuhlobene kakhulu nekhwalithi ye-Ash calcium, futhi kuncane ongakwenza nge-HPMC. Okuqukethwe okuphansi kwe-calcium ye-grey calcium kanye nesilinganiso esingafanele se-CAO ne-CA (oh) 2 in grey calcium izodala ukulahleka kwempuphu. Uma kunokuthile ongenziwa nge-HPMC, khona-ke i-HPMC inokugcinwa kwamanzi okumpofu, kuzodala nokulahleka kwempuphu.
11. Yini okushisa kwe-gel ye-hydroxypropylllylylylyll methylcellulose ahlobene nalo?
Impendulo: Izinga lokushisa le-gel le-HPMC lihlobene nokuqukethwe kwalo methoxy, okuqukethwe kwe-methoxy ↓, okuphezulu kwe-gel lokushisa.
12. Ungayikhetha kanjani i-hydroxcellulose ye-methylcellulose efanelekile (HPMC) ngezinhloso ezihlukile?
Impendulo: Ukusetshenziswa kwe-Putty Powder: Izidingo ziphansi, futhi ukuhlakanipha kungu-100,000, okwanele. Into ebalulekile ukugcina amanzi kahle. Ukusetshenziswa kodaka: izidingo eziphakeme, i-viscosity ephezulu, i-150,000 ingcono. Ukusetshenziswa kwe-glue: Imikhiqizo esheshayo enokubonakala okuphezulu iyadingeka.
13. Uyini umehluko phakathi kohlobo olusheshayo lwamanzi nohlobo olushisayo lwe-hydroxypropylllykyllose kwinqubo yokukhiqiza?
Impendulo: Uhlobo lwamanzi olubandayo olusheshayo lwe-HPMC luphathwa yi-glyxical, futhi luhlakazeka ngokushesha emanzini abandayo, kepha alinciphise ngempela. Kuncibilika kuphela lapho i-viscosity inyuka. Izinhlobo ezishisayo zeMelt aziphathwa yi-glyxal. Uma inani le-Gyoxal likhulu, ukuhanjiswa kuzoshesha, kepha ukubonwa kuzokhuphuka kancane, futhi uma inani lincane, okuphambene nalo kuzoba iqiniso.
14. Yini iphunga le-hydroxypropyllllyllose (HPMC)?
Impendulo: I-HPMC ekhiqizwa yi-solvent indlela isebenzisa i-toluene ne-isopropanol njengama-solvents. Uma ukugeza kungakuhle kakhulu, kuzoba nephunga elisalelayo.
15. Yini elinye igama le-hydroxypropyll methylcellulose?
Impendulo: I-Hydroxypropyl Methyl Cellulose, isiNgisi: I-Hydroxypropyl Methyl Cellulose Isifinyezo: I-HPMC noma iMHPCC ALIAS: IHypromellose; Cellulose hydroxypropyll methyl ether; I-Hypromellose, cellulose, 2-hydroxypropyly methyl celtuleose ether. I-cellulose hydroxypropyll methyl etrolose.
16. Yini okufanele inakeke ekusetshenzisweni kwangempela kobudlelwano phakathi kokuvunywa kanye nokushisa kwe-HPMC?
Impendulo: I-Viscosity ye-HPMC ilingana kakhulu namazinga okushisa, okusho ukuthi, i-viscosity inyuka njengoba izinga lokushisa lincipha. I-viscosity yomkhiqizo esivame ukubhekisa kuye ukuthi kubhekiswa kumphumela wokuhlolwa kwesisombululo sayo esingamanzi esingu-2% ekushiseni kwama-degree angama-20.
Kuzinhlelo zokusebenza ezisebenzayo, kufanele kuqashelwe ukuthi ezindaweni ezinemibono emikhulu yokushisa phakathi kwehlobo nobusika, kunconywa ukusebenzisa i-viscotive ephansi ebusika, evumelana kakhulu nokwakha. Ngaphandle kwalokho, lapho izinga lokushisa liphansi, ukubonakala kwe-cellulose kuzokwanda, futhi isandla sizizwa siba nzima lapho sikhahlela. I-Medium Viscosity: 75000-100000 ikakhulukazi isetshenziselwa ukubeka ama-putty. Isizathu: Ukugcinwa kwamanzi okuhle. I-Viscosity ephezulu: 150000-200000 ikakhulukazi esetshenziselwa i-polystyrere izinhlayiya zokufakwa kwezinhlayiya zokufakwa kwe-glue powder kanye ne-vitriffied microbead inhlabathi yokufakelwa okushisayo okushisayo. Isizathu: Ukuvunywa okuphezulu, udaka akulula ukwehlisa, ukulengiswa, futhi kuthuthukiswe ukwakhiwa.
17. Ukusetshenziswa kwe-HPMC ku-Putty Powder, yisiphi isizathu sama-bubble ku-putty powder?
Impendulo: Ku-Putty Powder, i-HPMC idlala izindima ezintathu zokuqina, ukugcinwa kwamanzi nokwakha. Ungazibandakanyi kunoma yikuphi ukusabela. Izizathu zama-bubble: 1. Faka amanzi amaningi. 2
Isikhathi sePosi: Jan-13-2023