1. Iyini inhloso esemqoka ye-hydroxypropyllyllose methylcellulose (HPMC)?
--A: I-HPMC isetshenziswa kabanzi ezintweni zokwakha, izimbobo, ama-desin zokwenziwa, ubumba - ubumba, 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.
2. Kunezinhlobo eziningana ze-hydroxypropyll methylcellulose (HPMC), futhi yini umehluko ekusebenziseni kwabo?
--Swer: I-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 futhi ayinakuchithwa kwangempela. Ngemuva kwemizuzu emi-2, i-viscosity yoketshezi inyuke kancane kancane, yakha i-colloid esobala ye-viscous. Imikhiqizo eshisayo esusiwe, lapho ihlangabezana namanzi abandayo, ingahlakazeka ngokushesha emanzini ashisayo bese inyamalala 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.
3. Iziphi izindlela zokuchithwa kwe-hydroxypropyllyllose methylcellulose (HPMC)?
- - Indlela eshisayo yokuchithwa kwamanzi Izindlela ezimbili ezijwayelekile zichazwa ngale ndlela elandelayo:
1) Beka inani elidingekayo lamanzi ashisayo esitsheni bese usishisa cishe ku-70 ° C. I-hydroxypropyllylylyl yangezwa kancane kancane ngokuvusa kancane, ekuqaleni i-hpmc entantayo ebusweni bamanzi, bese kancane kancane yakha kancane kancane, eyayipholile ngokuvusa ama-slurry.
2), engeza u-1/3 noma 2/3 wenani elidingekayo lamanzi esitsheni, bese usishisa ku-70 ° C, ngokwendlela ye-1), esabalalisa i-HPMC, lungiselela i-slurry yamanzi 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. [Zosokhu
4. Ungahlulela kanjani ikhwalithi ye-hydroxypropyllykylm methylcellulose (HPMC) kalula futhi ngokuqondile?
- Kodwa-ke, iningi lemikhiqizo emihle limhlophe. . Iningi le-HPMC elikhiqizwa eHebei lingu-80 mesh. Ubuciko obuhle, okungcono. . Lapho kuphakama okudlulayo, okungcono, okubonisa ukuthi kunezinto ezingaphansi kokungaphansi kwalokho kuyo. Ukugcwaliseka kwe-reactoror mpo ngokuvamile kulungile, futhi i-reactor evundlile imbi kakhulu, kepha ayinakushiwo ukuthi ikhwalithi ye-reactoror mpo ingcono kunaleyo yokuphendula okuvundlile, futhi kunezinto eziningi ezinquma ikhwalithi yomkhiqizo. (4) Ukudonsela phansi okuthile: Kukhudlwana amandla adonsela phansi athile, okusindayo kube ngcono. Ukudonsela phansi okuthile kukhulu, ngokuvamile ngoba okuqukethwe kwe-hydroxypropyl kuyo kuphezulu, okuqukethwe kwe-hydroxypropyl kuphezulu, ukugcinwa kwamanzi kungcono.
I-5. Inani le-hydroxypropylll methylcellulose (hpmc) ku-putty powder?
- Inani le-HPMC elisetshenziswa ezinhlelweni ezingokoqobo liyahlukahluka ngokuya ngesimo sezulu, izinga lokushisa, ikhwalithi yendawo ye-ash calcium, ifomula ye-putty powder kanye "nekhwalithi edingwa amakhasimende". Ngokuvamile, kuphakathi kuka-4 kg no-5 kg. Isibonelo, iningi le-putty powder eBeijing lingama-5 kg; Iningi le-putty powder eGuizhou lingu-5 kg ehlobo kanye ne-4,5 kg ebusika;
6. Yini i-viscosity efanele ye-hydroxypropyllyllose methylcellulose (HPMC)?
- - I-putty powder ngokuvamile i-yuan ayi-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, i-viscosity iphakeme, futhi ukugcinwa kwamanzi okuhlobene kungcono. Lapho i-viscosity idlula i-100,000, umphumela wokuvulelwa kokugcinwa kwamanzi akuyona into eningi.
7. Yiziphi izinkomba eziphambili zobuchwepheshe ze-hydroxypropyllyllose methylcellulose (HPMC)?
- - Okuqukethwe kwe-Hydroxypropyl kanye ne-viscosity, iningi labasebenzisi linakekela ngalezi zinkomba ezimbili. Okuqukethwe okuphezulu kwe-hydroxypropyl, okungcono ukugcinwa kwamanzi. I-viscosity ephezulu, ukugcinwa kwamanzi, okuningana (kunokuba ngokuphelele) okungcono, nokubonakala okuphezulu, ukusetshenziswa okungcono ku-cunmer udaka.
8. Yiziphi izinto eziphambili ezingavuthiwe ze-hydroxypropyllyllose methylcellulose (HPMC)?
- A: Izinto zokusetshenziswa eziphambili ze-hydroxypropylllyllose methylcellulose (HPMC): I-methyl chloride, i-propylene oxide, ezinye izinto ezingavuthiwe zifaka i-flake alkali, i-acid, i-toluene, i-isopropanol, njll.
9. Yini indima eyinhloko ye-HPMC ekusetshenzisweni kwe-Putty Powder, futhi ingabe kukhona ikhemikhali?
--Sanswer: I-HPMC inemisebenzi emithathu yokuqina, ukugcinwa kwamanzi nokwakha ku-putty powder. Ukuqina Ukugcinwa kwamanzi: yenza i-putty powder eyomile kancane, futhi isize ukusabela kwe-ash calcium ngaphansi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inomphumela wokuthambisa, okungenza i-putty powder ibe nokusebenza okuhle. I-HPMC ayihlanganyeli kunoma yikuphi ukusabela kwamakhemikhali futhi idlala indima ebalulekile. Ukungeza amanzi ku-putty powder bese ukulubeka odongeni ukusabela kwamakhemikhali. Ngenxa yokwakheka kwezinto ezintsha, thatha i-putty powder odongeni oluphuma odongeni, uligaye lube yimpuphu, futhi uyisebenzise futhi. Ngeke kusebenze, ngoba kusungulwe izinto ezintsha (calcium carbonate). ) phezulu. Izingxenye eziphambili ze-Ash Calcium Powder yilezi: Ingxube ye-CA (OH) 2, i-CAO + H2O = CA (OH) 2 + CA (OH) 2-CACOBORION, ngenkathi i-HPMC igcina ukusabela okungcono futhi isiza noma yikuphi ukusabela.
10. I-HPMC ayiyona eye-ether engekho, ngakho-ke yini okungeyona eye-ionic?
- Impendulo: Ngamagama we-Layman, ama-non-ion ayizinto ezingasho lutho emanzini. I-Ionization isho inqubo lapho i-electrolyte ihlukaniswe khona ngama-ion athutha ama-sols ahambisanayo nge-solvent ethile (njengamanzi, utshwala). Isibonelo, i-sodium chloride (i-NACL), usawoti odliwe nsuku zonke, anciphise emanzini kanye nama-ionizes ukukhiqiza ngokukhululekile ama-sodium ion (na +) akhokhiswa kahle nama-chloride ions (cl) akhokhiswa kabi. Okungukuthi, lapho i-HPMC ibekwa emanzini, ayihlukaniswa ngama-ions ama-ions, kepha ikhona ngendlela yama-molecule.
11. Yini okushisa kwe-gel ye-hydroxypropylllylylylyll methylcellulose ahlobene nalokhu?
A: Ukushisa kwe-gel kwe-HPMC kuhlobene nokuqukethwe kwayo methoxy, okuqukethwe kwe-methoxy 」, okuphezulu kwe-gel lokushisa ↑.
12. Ngabe i-powder eyehlayo ye-putty powder ingahlangana nanoma yini nge-HPMC?
- - I-Powder Drop of Putty Powder ihlobene kakhulu nekhwalithi ye-Ash calcium, futhi inokuncane ukwenza nge-HPMC. Okuqukethwe okuphansi kwe-calcium ye-ash calcium kanye nesilinganiso esingafanele se-CAO ne-CA (OH) 2 ku-ASH Calcium kuzodala ukwehla kwe-popula. Uma kunokuthile okuhlobene ne-HPMC, khona-ke ukugcinwa kwamanzi okumpofu kwe-HPMC nakho kuzodala ukwehla kwe-powder. Ngenxa yezizathu ezithile, sicela ubheke umbuzo 9.
13. Uyini umehluko phakathi kohlobo lwamanzi abandayo asheshayo nohlobo olushisayo lwe-hydroxypropylylyrkyllose kwinqubo yokukhiqiza?
- - Uhlobo lwamanzi olubandayo olusheshayo lwe-HPMC luphathwa yi-glyxal, futhi ngokushesha luhlakazeka emanzini abandayo, kepha alichithwe ngempela. Lapho impumelelo inyuka, iyachithwa. Uhlobo olushisayo lungabonakali lungaphethwe yi-glyxal. Uma inani le-Gyoxal likhulu, ukuhanjiswa kuzoshesha, kepha ukubonwa kuzokhuphuka kancane, futhi okuphambene kuzoba lapho inani le-glyoxo lincane.
14. Iyini iphunga le-hydroxypropylllkl methylcellulose (HPMC)?
- - I-HPMC ekhiqizwa yi-solvent indlela isebenzisa i-toluene ne-isopropanol njenge-solvent. Uma ukugeza kungakuhle kakhulu, kuzoba nokunambitheka okusalayo.
15. Ungayikhetha Kanjani i-hydroxypropproserm elifanele (HPMC) ngezinhloso ezihlukile?
- - Ukusetshenziswa kwe-Putty Powder: Izidingo ziphansi, i-viscosity ingu-100,000, kwanele, into ebalulekile ukuwagcina kahle amanzi. Ukusetshenziswa kodaka: izidingo eziphakeme, i-viscosity ephezulu, i-150,000 ingcono. Ukusetshenziswa kwe-glue: dinga umkhiqizo osheshayo, ukubonakala okuphezulu.
16. Iyini i-alias ye-hydroxypropyllyll methylcellulose?
- --Swer: I-Hydroxypropyl Methyl Cellulose, isiNgisi: I-Hydroxypropyl methyl cellulose Isifinyezo: I-HPMC noma iMHPCC ALIAS: IHypromellose; Cellulose hydroxypropyll methyl ether; I-Hypromellose, i-cellulose, 2-hydroxypropylmethyl cellulose ether. I-cellulose hydroxypropyll methyl etrolose.
17. Ukusetshenziswa kwe-HPMC ku-Putty Powder, yisiphi isizathu sama-bubble ku-putty powder?
--Sanswer: I-HPMC inemisebenzi emithathu yokuqina, ukugcinwa kwamanzi nokwakha ku-putty powder. Ayibandakanywa kunoma yikuphi ukusabela. Izizathu zama-bubble: 1. Kubekwa amanzi amaningi. 2
18. Yini ifomula ye-putty powder yezindonga ezingaphakathi nangaphandle?
- - I-Interior Wall Putty Powder: I-Ash calcium 800kg, i-Ash calcium 150kg (isitashi i-ether, i-citric acid, i-polyacrylamide, njll.
I-Wall Wall PustTY PUSTY: usimende 350kg, esindayo calcium 500kg, quartz sand 150kg, i-latex powder 8-12kg, starch ether 0.5kg, izinkuni fiber 2kg
19. Uyini umehluko phakathi kwe-HPMC ne-MC?
A: I-MC yi-methyl cellulose, eyenziwe ngokokwelapha ukotini ocwengekile nge-Alkali, isebenzisa i-methane ye-cherrinated njenge-ejere etherithayo, futhi yenza i-cellulose ether ngochungechunge lokuphendula. Ngokuvamile, izinga lokufaka esikhundleni ngu-1.6 ~ 2.0, kanye ne-solubility futhi kwehlukile ngama-degree ahlukene wokufaka esikhundleni. Ingeye-ether engeyona eye-moulsose.
. Ngokuvamile, uma inani lokungeziwe likhulu, ubuciko buncane, futhi i-viscoty inkulu, izinga lokugcina amanzi liphezulu. Phakathi kwazo, inani lokungezelela linethonya elikhulu kunawo wonke kumanani okugcinwa kwamanzi, futhi izinga lokubona alikho lilingana nezinga lokugcinwa kwamanzi. Izinga lokuchithwa ikakhulukazi lincike ezingeni lokuguqulwa komhlaba kwezinhlayiya ze-cellulose nobunzima bezinhlayiya. Phakathi kwalezi zithambekela ezingenhla kwe-cellulose, i-methyl cellulose ne-hydroxyprosell methyl cellulose zinamazinga aphezulu okugcina amanzi.
. Inokuhambisana okuhle nesitashi, isiGungu seGum, njll. Futhi ama-surfactants amaningi. Lapho amazinga okushisa efinyelela emazingeni okushisa we-gelation, kwenzeka into ye-gelation.
(3) Ukuguqulwa kwezinga lokushisa kuzothinta kakhulu isilinganiso sokugcinwa kwamanzi se-methyl cellulose. Ngokuvamile, izinga lokushisa eliphakeme, elibi kakhulu nokugcinwa kwamanzi. Uma izinga lokushisa lodaka lidlula ama-40 ° C, ukugcinwa kwamanzi kwe-methyl cellulose kuzoba kubi kakhulu, okuzothinta kakhulu ukusebenziseka kodaka.
(4) I-methyl cellulose inomthelela omkhulu ekusebenzeni nasekunamathisweni kodaka. "Adhesion" lapha kubhekisa ekuhlolweni okuzwakala phakathi kwethuluzi lomfakisicelo lomsebenzi kanye nodonga substrate, okungukuthi, ukumelana nokugula kodaka kodaka. Ukunamathelisa kukhulu, ukumelana nokuphefumula kodaka kukhulu, futhi amandla afunwa ngabasebenzi enqubweni yokusebenzisa nawo inkulu, futhi ukwakhiwa kodaka kumpofu. I-Methylcellose Adhesion isezingeni eliphakathi ku-Cellulose Ether Products.
I-HPMC yi-hydroxypropyllylylylylylylyllose, okuyi-ether cellulose engekho ku-ether elungiselelwe uchungechunge lokuphendula ngemuva kokwelashwa kwe-alkali, kusetshenziswa i-propelene oxide kanye ne-methyl chloride njenge-etherifing agents. Izinga lokufakwa esikhundleni ngokuvamile lingu-1,2 kuya ku-2.0. Izakhiwo zayo ziyahlukahluka ngokuya ngengxenye yokuqukethwe kwe-methoxyl nokuqukethwe kwe-hydroxypropyl.
(1) I-Hydroxypropylllylylylyll ilulaza kalula emanzini abandayo, kepha izobhekana nobunzima ekunciphiseni emanzini ashisayo. Kepha izinga lokushisa layo le-gelation emanzini ashisayo liphakeme kakhulu kunalelo ye-methyl cellulose. Ukuchithwa kwamanzi abandayo nakho kuthuthukiswa kakhulu uma kuqhathaniswa ne-methyl cellulose.
. Amanzi e-caustic kanye nama-lime anomthelela omncane ekusebenzeni kwawo, kepha u-Alkali angasheshisa ukuchitheka kwawo futhi akhuphule ukubonwa. I-Hydroxypropyllylylyl iqinile kusawoti ojwayelekile, kepha lapho ukugcwaliswa kwesawoti kuphezulu, ukubonwa kwe-hydroxypropyllllylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylyllylylylylylylylylylylylylylylylylyllylylylylylyllylylylylylylylylyllylylyllylylylyllylylylylylyllylylylylyllylyllylyllylylylyllose methylcellulose kuvimbela ukwanda.
. Njengotshwala be-polyvinyl, isitashi ether, gum yemifino, njll.
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20. Yini okufanele inakeke ekusetshenzisweni okungokoqobo kobudlelwano phakathi kokuvunywa kanye nokushisa kwe-HPMC?
- - I-Viscosity: I-Viscosity ye-HPMC ilingana ngaphakathi kumazinga okushisa, okungukuthi, i-viscosity inyuka njengoba izinga lokushisa lincipha. Imvamisa sibhekisela ekuboneni komkhiqizo, okusho umphumela wokuhlolwa kwesisombululo sayo esingamanzi esingu-2% kumazinga okushisa angama-20 degrees Celsius.
Kuzinhlelo zokusebenza ezingokoqobo, ezindaweni ezinomehluko omkhulu wokushisa phakathi kwehlobo nobusika, kufanele kuphawulwe ukuthi kunconywa ukusebenzisa i-viscotive ephansi ebusika, okulungele ukwakhiwa. Ngaphandle kwalokho, lapho izinga lokushisa liphansi, ukubonakala kwe-cellulose kuzokwanda, kwathi lapho i-batch ishaqekile, isandla sizoba nzima.
I-Viscosity Ephakathi: 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: I-viscosity ephezulu, udaka akulula ukuwa, sag, futhi uthuthukise ukwakhiwa.
Kepha ngokuvamile, ukukhuphuka kwendlela, kungcono ukugcinwa kwamanzi. Ngakho-ke, amafektri amaningi wodaka owomile abheka izindleko futhi athathe isikhundla se-cellulose ephakathi nendawo futhi ephansi (20000-40000) enesilinganiso esisezingeni eliphakathi (75000-100000) ukunciphisa inani lokungezwa. .
Isikhathi sePosi: Feb-20-2025