1. Yiluphi uhlelo lokusebenza oluphambili lwe-hydroxypropyllll 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 iba ibanga lokwakha, ibanga lokudla kanye nebanga lezemithi ngokwenhloso. 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.
2. Kunezinhlobo eziningana ze-hydroxypropyll methylcellulose (HPMC), futhi yini umehluko ekusebenziseni kwazo?
Impendulo: I-HPMC ingahlukaniswa ngohlobo olusheshayo kanye nohlobo lokuqothula. Imikhiqizo yohlobo olusheshayo isabalalisa ngokushesha emanzini abandayo futhi inyamalale emanzini. Ngalesi sikhathi, uketshezi alunakubonakala ngoba i-HPMC ihlakazeka kuphela emanzini ngaphandle kokuchithwa 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 (umkhiqizo wenkampani yethu ngu-65 degrees Celsius), i-viscosity ebonakala kancane kancane kuze kube yilapho yakha i-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. Iziphi izindlela zokuchithwa kwe-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: Indlela eshisayo yokuchithwa kwamanzi Izindlela ezimbili ezijwayelekile zichazwa ngale ndlela elandelayo:
1) Faka 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), 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. [Zosokhu
4. Ungahlulela kanjani ikhwalithi ye-hydroxypropyllykylm methylcellulose (HPMC) kalula futhi ngokuqondile?
Impendulo: (1) IMhlophe: Yize ubumsulwa bungeke bunqume ukuthi ngabe i-HPMC kulula ukuyisebenzisa, futhi uma kufakwa ama-ejenti amhlophe ngesikhathi sokukhiqiza, kuzothinta ikhwalithi yayo. Kodwa-ke, iningi lemikhiqizo emihle limhlophe. (2) Ubuchwepheshe: Ubumsulwa be-HPMC ngokuvamile bunama-80 mesh kanye ne-100 mesh, kanti ama-mesh ayi-120 awaphansi. Iningi le-HPMC elikhiqizwa eHebei liyi-80 mesh. Ubuciko obuhle, obukhuluma ngokuvamile, obungcono. . Lapho kudlula khona ukudluliselwa kokukhanya, okungcono, okubonisa ukuthi kunezihlakala ezingaphansi kuyo. . Imvume yokuphendula okuqondile ngokuvamile ilungile, futhi lokho kuphendula okuvundlile kubi kakhulu, kepha akusho ukuthi ikhwalithi yokuphendula mpo ingcono kunaleyo yokuphendula okuvundlile, kanye nekhwalithi yomkhiqizo kunqunywa ngezinto eziningi. (4) Ukudonsela phansi okuthile: Kukhudlwana amandla adonsela phansi athile, okusindayo kube ngcono. Ukucaciswa kukhulu, ngokuvamile ngoba okuqukethwe kweHydroxypropyl Group kuyo kuphezulu, futhi okuqukethwe kweHydroxypropyl Group kuphezulu, ukugcinwa kwamanzi kungcono.
I-5. Ithini inani le-hydroxypropyll methylcellulose (HPMC) ku-putty powder?
Impendulo: Inani le-HPMC elisetshenziswa ezinhlelweni ezisebenzayo liyahlukahluka ngokuya ngesimo sezulu, izinga lokushisa, ikhwalithi ye-calcium yasendaweni, ifomula ye-putty powder kanye "nekhwalithi edingwa amakhasimende". Ngokuvamile, phakathi kuka-4 kg no-5 kg. Isibonelo: Iningi le-putty powder eBeijing lingu-5 kg; Iningi le-putty powder eGuizhou lingu-5 kg ehlobo kanye ne-4,5 kg ebusika; Inani le-Putty eYunnan lincane, ngokuvamile ama-3 kg kuya ku-4 kg, njll.
6. Yini i-viscosity efanele ye-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: I-putty powder imvamisa i-yuan eyi-100,000, futhi izidingo zodaka ziphezulu, kanti ezingama-150,000 yuan ziyadingeka ukuze zisetshenziswe kalula. 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.
7. Yiziphi izinkomba eziphambili zobuchwepheshe ze-hydroxypropyllyllose methylcellulose (HPMC)?
Impendulo: Okuqukethwe kwe-Hydroxypropyl kanye ne-viscosity, iningi labasebenzisi likhathazekile ngalezi zinkomba ezimbili. Labo abanokuqukethwe okuphezulu kwe-hydroxypropyl ngokuvamile banokugcinwa okungcono kwamanzi. Lowo onokuqonda okuphezulu unokugcinwa kwamanzi okungcono, ngokulinganayo (hhayi ngokuphelele), futhi lowo onamandla aphezulu asetshenziswa kangcono ngodaka kasimende.
8. 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.
9. 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 ukusabela 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. Izakhi eziphambili ze-Ash Calcium Powder yilezi: Ingxube ye-CA (OH) 2, i-CAO kanye 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.
10. I-HPMC iyi-ether engeyona eye-cellulose, ngakho-ke yini okungeyona eye-ionic?
Impendulo: Ngokuvamile ukukhuluma, okungeyona i-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.
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. 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. Ngenxa yezizathu ezithile, sicela ubheke umbuzo 9.
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. Ungayikhetha Kanjani i-Hydroxypropprop Methylcellulose (HPMC) ye-HTYLCELCOSE (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.
16. Yiliphi elinye igama le-hydroxypropylll 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.
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
18. Yini ifomula ye-putty powder yezindonga ezingaphakathi nangaphandle?
Impendulo: Udonga lwangaphakathi lwe-putty putty
Udonga lwangaphandle oludongeni lwe-Puntty
Isikhathi sePosi: Dec-13-2022