1. Iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC isetshenziswa kabanzi ezintweni zokwakha, okokugqoka, ama-synthetic resin, izitsha zobumba, imithi, ukudla, izindwangu, ezolimo, izimonyo, ugwayi nezinye izimboni.I-HPMC ingahlukaniswa ngebanga lokwakha, ibanga lokudla kanye nebanga lezemithi ngokwenhloso.Njengamanje, iningi lemikhiqizo yasekhaya isezingeni lokwakha.Ebangeni lokwakha, i-putty powder isetshenziswa ngenani elikhulu, cishe i-90% isetshenziselwa i-putty powder, kanti enye isetshenziselwa udaka lukasimende neglue.
2. Kunezinhlobo ezimbalwa ze-hydroxypropyl methylcellulose (HPMC), futhi yimuphi umehluko ekusetshenzisweni kwazo?
Impendulo: I-HPMC ingahlukaniswa ngohlobo olusheshayo kanye nohlobo lokuqedwa okushisayo.Imikhiqizo yohlobo olusheshayo ihlakazeka ngokushesha emanzini abandayo bese inyamalala emanzini.Ngalesi sikhathi, uketshezi alunayo i-viscosity ngoba i-HPMC ihlakazekile emanzini ngaphandle kokuhlakazeka kwangempela.Cishe imizuzu emi-2, i-viscosity yoketshezi iyanda kancane kancane, yakha i-viscous colloid esobala.Imikhiqizo encibilikayo eshisayo, lapho ihlangene namanzi abandayo, ingahlakazeka ngokushesha emanzini ashisayo futhi inyamalale emanzini ashisayo.Lapho izinga lokushisa lehla lifinyelela ezingeni elithile lokushisa (umkhiqizo wenkampani yethu ungama-degree Celsius angama-65), i-viscosity ibonakala kancane ize yakhe i-viscous colloid esobala.Uhlobo lwe-hot-melt lungasetshenziswa kuphela ku-putty powder nodaka.Ku-glue ewuketshezi nopende, kuzoba nesenzakalo sokuqoqa futhi ngeke sisetshenziswe.Uhlobo olusheshayo lunohlu olubanzi lwezinhlelo zokusebenza.Ingasetshenziswa ku-putty powder nodaka, kanye ne-glue ewuketshezi nopende, ngaphandle kokuphikisana.
3. Yiziphi izindlela zokuchithwa kwe-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Indlela yokuchithwa kwamanzi ashisayo: Njengoba i-HPMC ingancibiliki emanzini ashisayo, i-HPMC ingahlakazwa ngokulinganayo emanzini ashisayo esigabeni sokuqala, bese incibilika ngokushesha lapho ipholisa.Izindlela ezimbili ezijwayelekile zichazwa kanje:
1) Faka inani elidingekayo lamanzi ashisayo esitsheni bese ushisa kuze kufike ku-70°C.I-hydroxypropyl methylcellulose yengezwa kancane kancane ngaphansi kokunyakaziswa kancane, ekuqaleni i-HPMC yantanta phezu kwamanzi, bese kancane kancane yakha i-slurry, eyapholiswa ngaphansi kokunyakaziswa.
2), engeza i-1/3 noma i-2/3 yenani elidingekayo lamanzi esitsheni, bese ushisisa ku-70 ° C, uhlakaze i-HPMC ngokwendlela ye-1), futhi ulungise udaka lwamanzi ashisayo;bese ufaka inani elisele lamanzi abandayo emanzini ashisayo ashisayo, ingxube ipholile ngemva kokugqugquzela.
Indlela yokuxuba uphuphu: hlanganisa i-HPMC powder nenani elikhulu lezinye izinto eziyimpuphu, xuba kahle ne-mixer, bese wengeza amanzi ukuze uhlakaze, bese i-HPMC ingancibilika ngalesi sikhathi ngaphandle kokuhlanganiswa, ngoba kune-HPMC encane kuphela kuwo wonke amancanyana. I-corner Powder, izoncibilika ngokushesha lapho ihlangana namanzi.——Abakhiqizi bempuphu nodaka basebenzisa le ndlela.[I-Hydroxypropyl methylcellulose (HPMC) isetshenziswa njenge-thickener kanye ne-ejenti yokugcina amanzi kudaka lwe-putty powder.]
4. Indlela yokwahlulela ikhwalithi ye-hydroxypropyl methylcellulose (HPMC) kalula nangendlela enembile?
Impendulo: (1) Ubumhlophe: Nakuba ubumhlophe bungakwazi ukucacisa ukuthi i-HPMC kulula yini ukuyisebenzisa, futhi uma ama-ejenti amhlophe engezwa phakathi nenqubo yokukhiqiza, izothinta ikhwalithi yayo.Nokho, iningi lemikhiqizo emihle inobumhlophe obuhle.(2) Ubuhle: Ubucwebe be-HPMC ngokuvamile buba ne-80 mesh kanye ne-100 mesh, kanye ne-120 mesh mincane.Iningi le-HPMC elikhiqizwe e-Hebei linezikhala ezingama-80.Ubuhle obuhle, uma sikhuluma nje, kuba ngcono.(3) Ukudlulisa ukukhanya: faka i-hydroxypropyl methylcellulose (HPMC) emanzini ukuze wenze i-colloid ekhanyelayo, bese ubheka ukudlulisa ukukhanya kwayo.Ukudlulisa ukukhanya okukhulu, kungcono, okubonisa ukuthi kukhona okuncane okungancibiliki kuwo..Ukungeneka kwama-reactor aqondile ngokuvamile kuhle, futhi lokho kwama-reactor avundlile kubi kakhulu, kodwa akusho ukuthi ikhwalithi yama-reactor aqondile ingcono kunaleyo yama-reactor avundlile, futhi ikhwalithi yomkhiqizo inqunywa izici eziningi.(4) Amandla adonsela phansi athize: Uma umkhulu amandla adonsela phansi athile, uyasinda kakhulu.Ukucaciswa kukhulu, ngokuvamile ngoba okuqukethwe kweqembu le-hydroxypropyl kulo kuphezulu, futhi okuqukethwe kweqembu le-hydroxypropyl kuphezulu, ukugcinwa kwamanzi kungcono.
5. Iyini inani le-hydroxypropyl methylcellulose (HPMC) ku-putty powder?
Impendulo: Inani le-HPMC elisetshenziselwa izicelo ezisebenzayo liyahlukahluka kuye ngokuthi isimo sezulu, izinga lokushisa, izinga le-calcium yomlotha wendawo, ifomula ye-putty powder kanye "nekhwalithi edingekayo kumakhasimende".Ngokuvamile, phakathi kuka-4 kg no-5 kg.Isibonelo: iningi le-putty powder e-Beijing liyi-5 kg;iningi lempushana e-Guizhou lingama-5 kg ehlobo kanye no-4.5 kg ebusika;inani le-putty e-Yunnan lincane kakhulu, ngokuvamile li-3 kg kuya ku-4 kg, njll.
6. Iyiphi i-viscosity efanele ye-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-putty powder ivamise ukuba ngu-100,000 yuan, futhi izidingo zodaka ziphakeme, futhi i-150,000 yuan iyadingeka ukuze isetshenziswe kalula.Ngaphezu kwalokho, umsebenzi obaluleke kakhulu we-HPMC ukugcinwa kwamanzi, okulandelwa ukuqina.Ku-putty powder, inqobo nje uma ukugcinwa kwamanzi kuhle futhi i-viscosity iphansi (70,000-80,000), kungenzeka futhi.Yiqiniso, ukuphakama kwe-viscosity, kungcono ukugcinwa kwamanzi okuhlobene.Lapho i-viscosity idlula i-100,000, i-viscosity izothinta ukugcinwa kwamanzi.Akusenani.
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.Le ene-viscosity ephezulu inokugcinwa kwamanzi okungcono, uma kuqhathaniswa (hhayi ngokuphelele), futhi leyo ene-viscosity ephezulu isetshenziswa kangcono odakeni lukasimende.
8. Yiziphi izinto zokusetshenziswa eziyinhloko ze-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Izinto zokusetshenziswa eziyinhloko ze-hydroxypropyl methylcellulose (HPMC): ukotini ocolile, i-methyl chloride, i-propylene oxide, nezinye izinto zokusetshenziswa, i-caustic soda, i-asidi, 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 izindima ezintathu zokuqina, ukugcinwa kwamanzi nokwakha.Ukuqina: I-Cellulose ingajiywa ukuze imise futhi igcine iyunifomu yesixazululo iye phezulu naphansi, futhi imelane nokuwohloka.Ukugcinwa kwamanzi: yenza i-putty powder yome kancane, futhi usize i-calcium yomlotha ukuba isabele ngaphansi kwesenzo samanzi.Ukwakhiwa: I-Cellulose inomphumela wokugcoba, ongenza i-putty powder ibe nokwakhiwa okuhle.I-HPMC ayibambi iqhaza kunoma yikuphi ukusabela kwamakhemikhali, kodwa idlala indima yokusiza kuphela.Ukwengeza amanzi ku-putty powder nokuyibeka odongeni ukusabela kwamakhemikhali, ngoba kwakhiwa izinto ezintsha.Uma ususa i-putty powder odongeni odongeni, uyigaye ibe yimpuphu, futhi uyisebenzise futhi, ngeke isebenze ngoba izinto ezintsha (i-calcium carbonate) zenziwe.) futhi.Izingxenye eziyinhloko zempushana ye-ash calcium yilezi: ingxube ye-Ca(OH)2, i-CaO nenani elincane le-CaCO3, i-CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Ash calcium isemanzini nasemoyeni Ngaphansi kwesenzo se-CO2, i-calcium carbonate ikhiqizwa, kuyilapho i-HPMC igcina amanzi kuphela, isiza ukusabela okungcono kwe-ash calcium, futhi ayihlanganyeli kunoma yikuphi ukusabela ngokwayo.
10. I-HPMC iyi-ether ye-cellulose engeyona i-ionic, ngakho-ke yini engeyona i-ionic?
Impendulo: Ngokuvamile, i-non-ion iyinto engeke i-ionze emanzini.I-ionization isho inqubo lapho i-electrolyte ihlukaniswa khona ibe ama-ion ashajiwe akwazi ukuhamba ngokukhululeka ku-solvent ethile (njengamanzi, utshwala).Isibonelo, i-sodium chloride (NaCl), usawoti esiwudla nsuku zonke, uncibilika emanzini bese u-ionize ukukhiqiza ama-ion sodium (Na+) ashajwa kahle nama-chloride ions (Cl) ashajwe ngokukhululeka.Okusho ukuthi, lapho i-HPMC ifakwa emanzini, ngeke ihlukane ibe ama-ion ashajiwe, kodwa ibe khona ngendlela yama-molecule.
11. Lihlobene nani izinga lokushisa lejeli le-hydroxypropyl methylcellulose?
Impendulo: Izinga lokushisa lejeli le-HPMC lihlobene nokuqukethwe kwayo kwe-methoxy, ukwehla kokuqukethwe kwe-methoxy ↓, kukhuphuka izinga lokushisa lejeli ↑.
12. Ingabe kukhona ubudlelwano phakathi kokwehla kwe-putty powder ne-HPMC?
Impendulo: Ukulahlekelwa kwe-powder kwe-putty powder kuhlobene kakhulu nekhwalithi ye-ash calcium, futhi akuhlangene kangako ne-HPMC.I-calcium ephansi ye-calcium empunga kanye nesilinganiso esingalungile se-CaO ne-Ca(OH)2 ku-calcium empunga kuzodala ukulahlekelwa kwempushana.Uma kunokuthile okuphathelene ne-HPMC, khona-ke uma i-HPMC inokugcinwa kwamanzi okungalungile, izophinde ibangele ukulahlekelwa kwempushana.Ngezizathu ezithile, sicela ubheke embuzweni wesi-9.
13. Uyini umehluko phakathi kohlobo olusheshayo lwamanzi abandayo kanye nohlobo oluncibilikayo lwe-hydroxypropyl methylcellulose ohlelweni lokukhiqiza?
Impendulo: Uhlobo olusheshayo lwamanzi abandayo lwe-HPMC luphathwa phezulu nge-glyoxal, futhi luhlakazeka ngokushesha emanzini abandayo, kodwa aluncibiliki ngempela.Incibilika kuphela lapho i-viscosity ikhula.Izinhlobo ezincibilikayo ezishisayo aziphathwa nge-glyoxal.Uma inani le-glyoxal likhulu, ukuhlakazeka kuzoshesha, kodwa i-viscosity izokhula kancane, futhi uma inani lincane, okuphambene kuzoba yiqiniso.
14. Liyini iphunga le-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC ekhiqizwa indlela ye-solvent isebenzisa i-toluene ne-isopropanol njengezincibilikisi.Uma ukugeza kungalungile kakhulu, kuzoba nephunga elisele.
15. Ungayikhetha kanjani i-hydroxypropyl methylcellulose (HPMC) efanele ngezinhloso ezahlukene?
Impendulo: Ukusetshenziswa kwe-putty powder: izidingo ziphansi, futhi i-viscosity yi-100,000, okwanele.Okubalulekile wukugcina amanzi kahle.Ukusetshenziswa kodaka: izidingo eziphakeme, i-viscosity ephezulu, i-150,000 ingcono.Ukusetshenziswa kweglue: imikhiqizo esheshayo ene-viscosity ephezulu iyadingeka.
16. Yiliphi elinye igama le-hydroxypropyl methylcellulose?
Impendulo: Hydroxypropyl Methyl Cellulose, IsiNgisi: Hydroxypropyl Methyl Cellulose Isifinyezo: HPMC noma MHPC Isibizo: Hypromellose;i-cellulose hydroxypropyl methyl ether;I-Hypromellose, i-Cellulose, i-2-hydroxypropyl methyl Cellulose ether.I-Cellulose hydroxypropyl methyl ether Hyprolose.
17. Ukusetshenziswa kwe-HPMC ku-putty powder, yisiphi isizathu sama-bubbles ku-putty powder?
Impendulo: Ku-putty powder, i-HPMC idlala izindima ezintathu zokuqina, ukugcinwa kwamanzi nokwakha.Ungabambi iqhaza kunoma yikuphi ukusabela.Izizathu zamabhamuza: 1. Faka amanzi amaningi kakhulu.2. Ungqimba olungezansi alomile, vele uhlubule olunye ungqimba phezulu, futhi kulula ukucweba.
18. Iyini ifomula ye-putty powder yezindonga zangaphakathi nezangaphandle?
Impendulo: I-inner wall putty powder: i-calcium enzima 800KG, i-calcium empunga 150KG (isitashi se-ether, uhlaza oluhlanzekile, inhlabathi ye-Pengrun, i-citric acid, i-polyacrylamide, njll.
I-putty powder yangaphandle: usimende 350KG i-calcium esindayo 500KG isihlabathi se-quartz 150KG i-latex powder 8-12KG i-cellulose ether 3KG isitashi ether 0.5KG i-wood fiber 2KG
Isikhathi sokuthumela: Dec-13-2022