Yini ukusetshenziswa kwe-hydroxypropyll methylcellulose?
Kusetshenziswa kabanzi ezintweni zokwakha, ukumboza, ama-desins okwenziwa, ama-ceramics, umuthi, ukudla, izindwangu, ezolimo, 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.
Yiziphi izindlela zokuqeda i-hydroxyproppropylyl methyl?
1. Indlela eshisayo yokuqedwa kwamanzi
2
Ungayikhetha kanjani i-viscoxyprop methylcellulose?
Khetha ama-visosities ahlukile ngokuya ngezinhlelo zokusebenza ezihlukile, ukusetshenziswa kwe-Putty Powder: Ungakhetha i-viscosic ka-100,000, into ebalulekile ukugcina amanzi abe ngcono. Ukusetshenziswa kodaka: izidingo eziphakeme, i-viscosity ephezulu, khetha i-viscosity 150,000. Ukusetshenziswa kwe-glue: dinga imikhiqizo esheshayo, i-viscosity ephezulu, khetha i-viscosity 200,000.
Ungayibona kanjani ikhwalithi ye-hydroxypropyll methylcellulose?
IMhlophe: Yize ubumsulwa bunganqumi ukuthi i-HPMC kulula ukuyisebenzisa, futhi uma kufakwa i-ejenti yamhlophe kwinqubo yokukhiqiza, izothinta ikhwalithi yayo. Kodwa-ke, iningi lemikhiqizo emihle limhlophe.
Ubuhle: Ubumsulwa be-HPMC ngokuvamile buka-80 mesh no-100 mesh, kanti ama-mesh ayi-120 awaphansi. Iningi le-HPMC elikhiqizwa eHebei liyi-80 mesh. Ubuciko obuhle, okungcono.
I-Transmitance: Beka i-Hydroxypropylll methylcellulose (HPMC) emanzini ukwakha i-colloid esobala, bese ubheka ukudluliselwa kwayo. 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.
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.
Ubudlelwano phakathi kokuvunywa kanye nokushisa kwe-hydroxypropylylylylylylylylylylyllose
I-Viscosity Coeffliction ye-HPMC ilingana kakhulu namazinga okushisa, okungukuthi, njengoba izinga lokushisa lincipha, futhi isisombululo se-viscosity siyakhuphuka, futhi isixazululo saso esingu-2% siyahlolwa lapho kushisa lwama-degree angama-20. Kuzinhlelo zokusebenza ezisebenzayo, ezindaweni ezinomehluko omkhulu wokushisa phakathi kwehlobo nobusika, kufanele kuqashelwe ukuthi ukuhlakanipha okuphansi kusetshenziswa ebusika, okulungele ukwakhiwa.
Iyini indima ye-HPMC ku-Putty Powder?
Ku-putty powder, i-HPMC idlala imisebenzi emithathu: ukuqina, ukugcinwa kwamanzi nokwakha.
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.
Isikhathi sePosi: Feb-20-2025