1. Yini ukusetshenziswa okuyinhloko kwe-hydroxypropyllylylylk methyl cellulose?
I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ukumboza, ama-desin okwenziwa, ama-ceramics, umuthi, ukudla, izimonyo, ugwayi kanye nezinye izimboni. I-HPMC ingahlukaniswa iba ibanga lezimboni, ibanga lokudla kanye nebanga lezokwelapha ngokuya ngokusetshenziswa.
2. I-Hydroxypropylllylylylyllls ihlukaniswe izinhlobo eziningana, uyini umehluko phakathi kwazo?
I-HPMC ingahlukaniswa i-Instant (Brand Suffix "S") kanye ne-soluble eshisayo, imikhiqizo esheshayo, emanzini abandayo ihlakazeke ngokushesha, ngoba i-HPMC ayikahlakazwa emanzini, akukho ukuhlukaniswa kwangempela. Cishe imizuzu emi-2, i-viscosity yoketshezi inyuka kancane kancane, yakha ijeli ecacile nenamathelayo. Imikhiqizo yokushisa encibilikayo, exutshwe emanzini abandayo, ingasabalalisa ngokushesha emanzini ashisayo, inyamalale emanzini ashisayo, okushisa kwe-gel kuvela ku-colloid esobala)
3. Ungayinquma kanjani ikhwalithi ye-hydroxypropyllylylylylylylylylylyllopylylylylylylylyll methyl celtulese ngokumane futhi ngengqondo?
1) IMhlophe, yize ubumsulwa bunganqumi ukuthi i-HPMC ilungile, futhi uma ingezwe kwinqubo yokukhiqiza mhlophe, izothinta ikhwalithi yayo, kepha, imikhiqizo emihle kakhulu iMhlophe kakhulu.
2) Ubuciko: Ukuphazamiseka kwe-HPMC ngokuvamile kungumamitha angama-80 no-100 Mesh, inhloso engu-120 incane kancane, okuhle okungcono.
3) Ukuhamba okukhanyayo: I-HPMC emanzini, yakha i-colloid esobala, bheka ukudluliselwa kwayo okukhanyayo, ichaze ama-degy expression ngokuvamile, izokucacisa ukukhiqizwa kwe-degyle evundlile, kepha kunezinto eziningi ezithola ukukhiqizwa komkhiqizo.
4) Ingxenye: Ingxenye enkulu, okusindayo okungcono, kunokuba kube ngcono, ngokuvamile ngenxa yokuqukethwe okuphezulu kwe-hydroxypropyl ngaphakathi, okuqukethwe kwe-hydroxypropp kuphezulu, ukugcinwa kwamanzi kungcono.
4. Iziphi izindlela zokuchithwa kwe-hydroxypropylylylylylylylylylyll methyl cellulose?
1) Wonke amamodeli angangezwa ezintweni ezisetshenziswayo ngendlela eyomile yokuxuba;
2) kudingeka ukuthi ungezwe ngqo kwisixazululo samanzi esijwayelekile sokushisa, kungcono ukusebenzisa ukuhanjiswa kwamanzi okubandayo, ngemuva kokungeza imizuzu eyi-10-90 ukuqina (uvuse uvuluvuse)
3) Amamodeli ajwayelekile angachithwa ngemuva kokuxuba futhi ahlakaze ngamanzi ashisayo futhi angeze amanzi abandayo ngemuva kokuvusa nokupholisa;
4) Lapho kuchithwa, uma kwenzeka kwenzeka into ye-agglomerating yenzeka, kungenxa yokuthi ukushukumisela akwanele noma imodeli ejwayelekile ingezwe ngqo emanzini abandayo. Ngalesi sikhathi, kufanele kuvuswe ngokushesha.
5) Uma ama-bubble enzeka ngesikhathi sokuchithwa, angasuswa ngokuma amahora angama-2-12 (isikhathi esithile ancike ekuguquguqukeni kwesisombululo) noma ngokungenisa amandla, noma ngokungeza inani elifanele le-ejenti yokungcolisa.
I-5 hydroxypropyllylylylm methyl cellulose ngevolumu ye-putty powder?
I-HPMC ekusetshenzisweni kwangempela kwenani, ngokushisa kwesimo sezulu, izinga lokushisa, ikhwalithi ye-calcium yendawo, ifomula ye-putty mpunga kanye nezidingo zamakhasimende zekhwalithi ehlukile, futhi kunomehluko ozungezile, ngokuvamile phakathi kwamakhilogremu we-4-5.
6. Yini i-viscosity efanele ye-hydroxypropyll methyl celtulese?
I-Putty powder imvamisa, izidingo zodaka zingaphezulu, ziye ku-150000 ezinhle nje, futhi i-HPMC iyindima ebaluleke kakhulu ukugcinwa kwamanzi, kulandelwa ukuqina kwamanzi, kulandelwa ukuqina. Ku-putty powder, inqobo nje uma ukugcinwa kwamanzi kulungile, i-viscosity iphansi (7-8), kungenzeka, ukuthi i-viscoty ingcono, lapho i-viscoty ingaphezulu, lapho ukubonwa kwamanzi kungaphezu kwalokho, ukugcinwa kokugcinwa kwamanzi akuyona into eningi.
7. Yiziphi izinto eziphambili ezingavuthiwe ze-hydroxypropyllylylylylylylyllop methyl cellulose?
Izinto zokusetshenziswa eziphambili ze-HPMC: ukotini ocwengiwe, i-chloromethane, i-propelene oxide, ezinye izinto eziluhlaza, ithebhulethi alkali, i-acid toluene.
8. I-Hydroxypropyll methyl cellulose ekusetshenzisweni kwe-putty powder, indima enkulu, noma amakhemikhali?
Ku-putty powder, ukuqina, ukugcinwa kwamanzi nokwakhiwa kwemisebenzi emithathu. Ukuqina, iselula kungakhushulwa ukumiswa, ukuze isixazululo sihlale sifaniswe futhi size phansi indima yokulwa nokugwazwa. Ukugcinwa kwamanzi: yenza i-putty powder eyomile kancane, i-cilcium enesizayo esenzweni sokuphendula kwamanzi. Ukwakhiwa: I-Cellulose Lubrication, ingenza i-Putty Powder inokwakhiwa okuhle. I-HPMC ayihlanganyeli kunoma yikuphi ukusabela kwamakhemikhali, kepha idlala indima esekelayo kuphela.
I-9 .hydroxypropylllll methyl celtule
Ngokwemigomo ka-Lamberman, izinto ezi-inert azihlanganyeli ekuphendukeni kwamakhemikhali.
I-CMC (i-carboxymethyl celtuleose) yi-cationic cellulose, ngakho-ke ukuhlangana ne-grey calcium kuzoba izinsalela ze-bean curd curd.
10. Yiziphi izinkomba eziphambili zobuchwepheshe ze-hydroxypropylylylylylylylylylylyll methyl cellulose?
Okuqukethwe kwe-hydroxypropyl
Okuqukethwe kwe-methyl
ukuhlakanipha
umlotha
Ukwehla kwesisindo esomile
11. Yini ehlobene nokushisa kwe-gel kwe-hydroxypropyllylylylylylylylylylylylylylylylylylylylylyll methyl cellulose?
Ukushisa kwe-gel kwe-HPMC kuhlobene nokuqukethwe kwe-methoxyl, okuqukethwe kwe-methoxyl, okuphezulu kwe-gel lokushisa.
12 Putty Powder Drop The Powder kanye Hydroxypropylyrpropyl Methyl cellulose ebudlelwaneni?
Uma i-HPMC yokugcinwa kwamanzi kahle, kuzodala i-powder.
13 I-Hydroxypropyll methyl cellulose ekusetshenzisweni kwe-putty powder, i-putty powder bubble Yisiphi isizathu?
I-HPMC ku-Putty Powder, ukuqina, ukugcinwa kwamanzi nokwakhiwa kwezindima ezintathu, imbangela ye-bubble:
1.) Kungezwa amanzi amaningi.
2.) Ungqimba olungaphansi alomile, bese usula ungqimba kuLo, futhi okulula ukuqubuka.
14. Uyini umehluko phakathi kwamanzi amakhaza asheshe ancibilike futhi ashise i-hydroxypropyllopyllopyllopypropyllopyprose ehlelweni lokukhiqiza?
Uhlobo lwe-HPMC olubandayo lwamanzi olusheshayo lungemva kokwelashwa okungaphezulu kwe-Gyoxal, ukubeka emanzini abandayo ngokushesha kwahlakazeka, kepha akuchithwa ngempela, kuvuselelwa, kuyachithwa. Uhlobo lwe-thermosoluble aluzange luphathwe yi-glyxal. Inani le-Gyoxal likhulu, ukuhlakazeka kuyashesha, kepha i-viscosity iyahamba kancane, inani lincane, kunalokho.
15. Yini nge-hydroxypropyllylyl methyl cellulose iphunga?
I-HPMC ekhiqizwa indlela ye-solvent yenziwe ngoTolune notshwala be-isopropyl. Uma ukugeza kungakuhle kakhulu, kuzoba nokunambitheka okusalayo. (Ukuvuselelwa kokungathathi hlangothi kuyinqubo ebalulekile yephunga)
16. Ungayikhetha kanjani i-hydroxyproppropyll methyls efanelekile yokusetshenziswa okuhlukile?
I-PuTTY Powder: Izidingo eziphakeme zokugcinwa kwamanzi, ukuhambisana okuhle kokwakhiwa (ibanga elinconyiwe: 75ax100000)
Udaka olwejwayelekile osuselwa kuso usimende
Ukusetshenziswa kwe-glue yokwakha: imikhiqizo esheshayo, i-viscosity ephezulu. (Inombolo yomkhiqizo enconyiwe: 75ax200000s)
UDypsum Fotar: Ukugcinwa kwamanzi okuphezulu, ukubonakala okuphakathi nendawo okuphansi, ukuhlakanipha okusheshayo (i-viscosity esheshayo (ibanga elinconyiwe: 75ax75000)
17. Sithini isidlaliso se-hydroxypropyllylylylyll methyl cellulose?
I-HPMC noma i-MHPC Alias Hydroxypropyllylylylylylylylyl methyls, cellulose hydroxypproserpropylyrl methyl ether.
18. Uyini umehluko phakathi kwe-hydroxypropyllylylylylylylylylylylylylylylyllose ne-MC?
I-MC yi-methyl cellulose, iconsi elicwengekile ngemuva kokwelashwa kwe-alkali, i-methane chloride njenge-ejenti ethembisayo, ngochungechunge lokuphendula kwe-cellulose, i-gener degree yokufaka esikhundleni se-verliose futhi ihlukile, ingeye-ether engekho etherlic ether.
. Ngokuvamile, inani lokungezwa likhulu, ubuciko bukhulu, i-viscosity inkulu, inani lokugcinwa kwamanzi linethonya elikhulu kubudlelwano, izinga lokuqothula kanye nokuncipha ikakhulukazi kuncike ekuguqulweni kwezinhlayiya ze-cellulose. I-Methyl cellulose ne-hydroxypropyll methyl cellulose kulezi zinhlangano ezingenhla ze-celluLose zinezinga eliphakeme lokugcina amanzi.
(2) I-methyl celtule
. Uma izinga lokushisa lodaka lidlula ama-degree angama-40, ukugcinwa kwamanzi kwe-methyl cellulose kuzoba kubi kakhulu, okuthinta kakhulu ukusungulwa kodaka.
(4) I-methyl cellulose inethonya elisobala ekukhiqizweni nasekunamathisweni kodaka. Ukunamathelisa lapha kubhekisela kumandla anamathela azwakala phakathi kwethuluzi nodonga lodonga lwasesisebenzi, okungukuthi, ukumelana nokugula kodaka. Ukunamathelisa kukhulu, ukumelana kwama-shuar ngodaka kukhulu, amandla afunwa yizisebenzi kwinqubo yokusetshenziswa nawo inkulu, futhi ukwakhiwa kodaka kumpofu.
Isikhathi sePosi: Feb-14-2022