1. Iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezitsheni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni. I-HPMC ingahlukaniswa ngebanga lokwakha, izinga lokudla kanye nezinga lemithi ngokwenhloso. Njengamanje, iningi lemikhiqizo yasekhaya libanga lokwakha. Ebangeni lokwakha, i-putty powder isetshenziswa ngenani elikhulu, cishe u-90% usetshenziselwa i-putty powder, kanti okusele kusetshenziselwa i-samente mortar kanye ne-glue.
2. Kunezinhlobo eziningana ze-hydroxypropyl methylcellulose (HPMC), futhi yimuphi umehluko ekusetshenzisweni kwazo?
Impendulo: I-HPMC ingahlukaniswa ngohlobo olusheshayo kanye nohlobo lokuncibilika okushisayo. Imikhiqizo yohlobo olusheshayo isakazeka ngokushesha emanzini abandayo bese inyamalala emanzini. Ngalesi sikhathi, uketshezi alunawo u-viscosity ngoba i-HPMC ihlakazeka kuphela emanzini ngaphandle kokuncibilika kwangempela. Cishe imizuzu emi-2, u-viscosity woketshezi uyanda kancane kancane, wakhe i-colloid ecacile ethambile. Imikhiqizo encibilikayo eshisayo, uma ihlangana namanzi abandayo, ingahlakazeka ngokushesha emanzini ashisayo bese inyamalala emanzini ashisayo. Lapho izinga lokushisa lehla liye ezingeni lokushisa elithile (umkhiqizo wenkampani yethu ungama-degrees Celsius angu-65), u-viscosity uvela kancane kancane uze wakhe i-colloid ecacile ethambile. Uhlobo oluncibilikayo olushisayo lungasetshenziswa kuphela ku-putty powder kanye no-mortar. Ku-glue nopende oluyi-liquid, kuzoba khona isenzakalo sokuhlanganisa futhi alukwazi ukusetshenziswa. Uhlobo olusheshayo lunezinhlobo eziningi zokusetshenziswa. Lungasetshenziswa ku-putty powder kanye no-mortar, kanye ne-liquid glue nopende, ngaphandle kokuphikisana.
3. Yiziphi izindlela zokuncibilikisa i-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Indlela yokuncibilikisa amanzi ashisayo: Njengoba i-HPMC ingancibiliki emanzini ashisayo, i-HPMC ingahlakazeka ngokulinganayo emanzini ashisayo esigabeni sokuqala, bese incibilika ngokushesha lapho iphola. Izindlela ezimbili ezijwayelekile zichazwa kanje:
1) Faka inani elidingekayo lamanzi ashisayo esitsheni bese ulifudumeza cishe ku-70°C. I-hydroxypropyl methylcellulose yengezwa kancane kancane ngaphansi kokuxubha kancane, ekuqaleni i-HPMC yantanta phezu kwamanzi, yabe isiba yisicaba kancane kancane, esasipholiswa ngaphansi kokuxubha.
2), engeza i-1/3 noma i-2/3 yenani lamanzi elidingekayo esitsheni, bese ulishisa ku-70°C, usakaze i-HPMC ngokwendlela yoku-1), bese ulungisa i-slurry yamanzi ashisayo; bese ufaka inani elisele lamanzi abandayo ku-slurry yamanzi ashisayo, ingxube ipholiswe ngemva kokuyixuba.
Indlela yokuxuba i-powder: hlanganisa i-HPMC powder nenani elikhulu lezinye izinto eziwumpuphu, hlanganisa kahle ngomshini wokuxuba, bese ufaka amanzi ukuze ancibilike, khona-ke i-HPMC ingancibilika ngalesi sikhathi ngaphandle kokuhlanganiswa, ngoba kukhona i-HPMC encane kuphela ekhoneni ngalinye elincane i-Powder, izoncibilika ngokushesha uma ithintana namanzi. ——Abakhiqizi be-Putty powder kanye ne-mortar basebenzisa le ndlela. [I-Hydroxypropyl methylcellulose (HPMC) isetshenziswa njenge-thickener kanye ne-ejenti yokugcina amanzi ku-putty powder mortar.]
4. Ungahlulela kanjani ikhwalithi ye-hydroxypropyl methylcellulose (HPMC) kalula nangokuqondakalayo?
Impendulo: (1) Ubumhlophe: Nakuba ubumhlophe bungenakunquma ukuthi i-HPMC kulula ukuyisebenzisa, futhi uma kufakwa izinto zokwenza mhlophe ngesikhathi senqubo yokukhiqiza, kuzothinta ikhwalithi yayo. Kodwa-ke, iningi lemikhiqizo emihle inobumhlophe obuhle. (2) Ubumhlophe: Ubumhlophe be-HPMC ngokuvamile bunama-mesh angu-80 kanye nama-mesh angu-100, kanti ama-mesh angu-120 angaphansi. Iningi le-HPMC elikhiqizwa e-Hebei lingama-mesh angu-80. Uma ubumhlophe buncane, ngokuvamile, kungcono. (3) Ukudlulisa ukukhanya: faka i-hydroxypropyl methylcellulose (HPMC) emanzini ukuze wakhe i-colloid esobala, bese ubheka ukudlulisa kwayo ukukhanya. Uma ukudlulisa ukukhanya kukhulu, kungcono, okubonisa ukuthi kunezinto ezincane ezingancibiliki kuyo. . Ukuvuleka kwama-reactor aqondile ngokuvamile kuhle, kanti ama-reactor aqondile mabi, kodwa akusho ukuthi ikhwalithi yama-reactor aqondile ingcono kuneyama-reactor aqondile, futhi ikhwalithi yomkhiqizo inqunywa yizici eziningi. (4) Ubumhlophe obuthile: Uma ubukhulu bamandla adonsela phansi athile bukhulu, kulapho kusinda khona. Ukucaciswa kukhulu, ngokuvamile ngoba okuqukethwe yiqembu le-hydroxypropyl elikuyo kuphakeme, kanti okuqukethwe yiqembu le-hydroxypropyl kuphakeme, ukugcinwa kwamanzi kungcono.
5. Lingakanani inani le-hydroxypropyl methylcellulose (HPMC) ku-putty powder?
Impendulo: Inani le-HPMC elisetshenziswa ezisetshenziswayo liyahlukahluka kuye ngesimo sezulu, izinga lokushisa, ikhwalithi ye-calcium yomlotha wendawo, ifomula yempuphu ye-putty kanye "nekhwalithi edingekayo ngamakhasimende". Ngokuvamile, phakathi kuka-4 kg no-5 kg. Isibonelo: iningi lempuphu ye-putty eBeijing lingu-5 kg; iningi lempuphu ye-putty eGuizhou lingu-5 kg ehlobo kanye no-4.5 kg ebusika; inani le-putty eYunnan lincane kakhulu, ngokuvamile lisuka ku-3 kg kuya ku-4 kg, njll.
6. Iyini i-viscosity efanele ye-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Impuphu ye-putty ngokuvamile ingama-yuan ayi-100,000, kanti izidingo ze-mortar ziphakeme, kanti ama-yuan ayi-150,000 ayadingeka ukuze kube lula ukuyisebenzisa. Ngaphezu kwalokho, umsebenzi obaluleke kakhulu we-HPMC ukugcina amanzi, kulandelwe ukujiya. Kumpuphu ye-putty, inqobo nje uma ukugcina amanzi kukuhle futhi i-viscosity iphansi (70,000-80,000), kungenzeka futhi. Vele, uma i-viscosity iphakeme, kungcono ukugcinwa kwamanzi. Lapho i-viscosity idlula i-100,000, i-viscosity izothinta ukugcinwa kwamanzi. Akusekho okuningi.
7. Yiziphi izinkomba zobuchwepheshe eziyinhloko ze-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Okuqukethwe kwe-hydroxypropyl kanye ne-viscosity, abasebenzisi abaningi bakhathazekile ngalezi zinkomba ezimbili. Labo abanokuqukethwe okuphezulu kwe-hydroxypropyl ngokuvamile banokugcinwa kwamanzi okungcono. Leyo enokugcinwa kwamanzi okungcono, uma kuqhathaniswa (hhayi ngokuphelele), kanti leyo enokugcinwa kwamanzi okuphezulu isetshenziswa kangcono ku-cement mortar.
8. Yiziphi izinto eziyinhloko zokusetshenziswa kwe-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Izinto zokusetshenziswa eziyinhloko ze-hydroxypropyl methylcellulose (HPMC): ukotini ocolisisiwe, i-methyl chloride, i-propylene oxide, nezinye izinto zokusetshenziswa, i-caustic soda, i-acid, i-toluene, i-isopropanol, njll.
9. Uyini umsebenzi oyinhloko wokusetshenziswa kwe-HPMC ku-putty powder, futhi ingabe kwenzeka ngamakhemikhali?
Impendulo: Ku-putty powder, i-HPMC idlala indima ezintathu zokuqina, ukugcinwa kwamanzi kanye nokwakhiwa. Ukuqina: I-Cellulose ingaqiniswa ukuze imise futhi igcine isisombululo silingana phezulu naphansi, futhi imelane nokuwa. Ukugcinwa kwamanzi: yenza i-putty powder yome kancane, futhi isize i-ash calcium ukuthi isabele ngaphansi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inomphumela wokugcoba, ongenza i-putty powder ibe nokwakhiwa okuhle. I-HPMC ayihlanganyeli kunoma yikuphi ukusabela kwamakhemikhali, kodwa idlala indima yokusiza kuphela. Ukwengeza amanzi ku-putty powder bese uyibeka odongeni kuyindlela yokusabela kwamakhemikhali, ngoba kwakheka izinto ezintsha. Uma ususa i-putty powder odongeni, uyigaye ibe yi-powder, bese uyisebenzisa futhi, ngeke isebenze ngoba izinto ezintsha (i-calcium carbonate) sezivele zakhekile. ) futhi. Izakhi eziyinhloko zempuphu ye-calcium yomlotha yilezi: ingxube ye-Ca(OH)2, i-CaO kanye nenani elincane le-CaCO3, i-CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O I-calcium yomlotha isemanzini nasemoyeni Ngaphansi kwesenzo se-CO2, kukhiqizwa i-calcium carbonate, kuyilapho i-HPMC igcina amanzi kuphela, isiza ukusabela okungcono kwe-calcium yomlotha, futhi ayihlanganyeli kunoma yikuphi ukusabela ngokwayo.
10. I-HPMC iyi-ether ye-cellulose engeyona i-ionic, ngakho-ke iyini i-non-ionic?
Impendulo: Ngokuvamile, i-non-ion iyisithako esingeke si-ionise emanzini. I-ionization ibhekisela enkambisweni lapho i-electrolyte ihlukaniswa khona ibe ama-ion ashajwe angahamba ngokukhululeka ku-solvent ethile (njengamanzi, utshwala). Isibonelo, i-sodium chloride (NaCl), usawoti esiwudla nsuku zonke, uyancibilika emanzini bese u-ionises ukuze ukhiqize ama-ion e-sodium ahambayo ngokukhululeka (Na+) ashajwe kahle kanye nama-ion e-chloride (Cl) ashajwe kabi. Okusho ukuthi, uma i-HPMC ifakwa emanzini, ngeke ihlukane ibe ama-ion ashajwe, kodwa ikhona ngesimo sama-molecule.
11. Lihlobene kanjani izinga lokushisa lejeli le-hydroxypropyl methylcellulose?
Impendulo: Izinga lokushisa lejeli le-HPMC lihlobene nokuqukethwe kwayo kwe-methoxy, uma okuqukethwe kwe-methoxy kuphansi ↓, izinga lokushisa lejeli liphakeme ↑.
12. Ingabe kukhona ubudlelwano phakathi kokwehla kwempuphu ye-putty kanye ne-HPMC?
Impendulo: Ukulahleka kwempuphu yempuphu ye-putty kuhlobene kakhulu nekhwalithi ye-calcium yomlotha, futhi akuhlobene kakhulu ne-HPMC. Okuqukethwe kwe-calcium ephansi ye-calcium empunga kanye nesilinganiso esingafanele se-CaO kanye ne-Ca(OH)2 ku-calcium empunga kuzobangela ukulahleka kwempuphu. Uma kuhlobene ne-HPMC, khona-ke uma i-HPMC inokugcinwa kwamanzi okungekuhle, kuzobangela nokulahleka kwempuphu. Ngezizathu ezithile, sicela ubheke umbuzo 9.
13. Uyini umehluko phakathi kohlobo lwe-cold-water instant kanye nohlobo lwe-hydroxypropyl methylcellulose oluncibilikayo enqubweni yokukhiqiza?
Impendulo: Uhlobo lwe-HPMC olusheshayo lwamanzi abandayo luphathwa nge-glyoxal ebusweni, futhi lusakazeka ngokushesha emanzini abandayo, kodwa aluncibiliki ngempela. Luncibilika kuphela lapho i-viscosity ikhula. Izinhlobo zokuncibilika okushisayo aziphathwa nge-glyoxal ebusweni. Uma inani le-glyoxal likhulu, ukuhlakazeka kuzoba ngokushesha, kodwa i-viscosity izokhula kancane, futhi uma inani lincane, okuphambene nalokho kuzoba yiqiniso.
14. Liyini iphunga le-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC ekhiqizwa yindlela yokunyibilikisa isebenzisa i-toluene ne-isopropanol njengezinyibilikisi. Uma ukugeza kungalungile kakhulu, kuzoba nephunga elisele.
15. Ungayikhetha kanjani i-hydroxypropyl methylcellulose (HPMC) efanele ngezinjongo ezahlukene?
Impendulo: Ukusetshenziswa kwempuphu ye-putty: izidingo ziphansi kakhulu, kanti i-viscosity ingu-100,000, okwanele. Into ebalulekile ukugcina amanzi kahle. Ukusetshenziswa kwe-mortar: izidingo eziphakeme, i-viscosity ephezulu, i-150,000 ingcono. Ukusetshenziswa kwe-glue: imikhiqizo esheshayo ene-viscosity ephezulu iyadingeka.
16. Liyini elinye igama le-hydroxypropyl methylcellulose?
Impendulo: I-Hydroxypropyl Methyl Cellulose, isiNgisi: I-Hydroxypropyl Methyl Cellulose Isifinyezo: HPMC noma i-MHPC Igama elihlukile: I-Hypromellose; I-Cellulose hydroxypropyl methyl ether; I-Hypromellose, I-Cellulose, i-2-hydroxypropyl methyl I-Cellulose ether. I-Cellulose hydroxypropyl methyl ether I-Hyprolose.
17. Ukusetshenziswa kwe-HPMC ku-putty powder, siyini isizathu samabhamuza ku-putty powder?
Impendulo: Ku-putty powder, i-HPMC idlala indima ezintathu zokuqina, ukugcinwa kwamanzi kanye nokwakhiwa. Ungahlanganyeli kunoma yikuphi ukusabela. Izizathu zamabhamuza: 1. Faka amanzi amaningi kakhulu. 2. Ingqimba engezansi ayomile, mane ukhuhle enye ingqimba phezulu, futhi kulula ukuyikhipha igwebu.
18. Iyini ifomula yempuphu ye-putty yezindonga zangaphakathi nezangaphandle?
Impendulo: Impuphu ye-putty yangaphakathi: i-calcium esindayo engu-800KG, i-calcium empunga engu-150KG (i-starch ether, uhlaza oluhlanzekile, inhlabathi ye-Pengrun, i-citric acid, i-polyacrylamide, njll. ingangezwa ngokufanele)
Impuphu ye-putty yangaphandle: usimende 350KG i-calcium esindayo 500KG isihlabathi se-quartz 150KG impuphu ye-latex 8-12KG i-cellulose ether 3KG i-starch ether 0.5KG i-wood fibre 2KG
Isikhathi sokuthunyelwe: Disemba 13-2022