Vithesis e tlase: 400 e sebediswa haholoholo bakeng sa seretse se ikgomaretsang, empa hangata e kenngwa kantle ho naha.
Lebaka: Ho ba le ho teteana ho tlase, ho boloka metsi hantle, empa ho ba le thepa e ntle ea ho leka-lekanya, ho ba le seretse se ngata.
Viscosity e mahareng le e tlase: 20000-40000 e sebediswa haholoholo bakeng sa sekgomaretsi sa thaele, sesebediswa sa ho thibela ho petsoha, seretse se thibelang ho petsoha, seretse se kopanyang mocheso, jj.
Mabaka: Ho sebetsa hantle, ho eketsoa metsi a fokolang, le ho ba le seretse se ngata.
1. Tšebeliso e ka sehloohong ea hydroxypropyl methylcellulose (HPMC) ke efe?
——A: HPMC e sebediswa haholo disebedisweng tsa kaho, dikobo, di-resin tsa maiketsetso, di-ceramic, meriana, dijo, masela, temo, ditlolo, koae le diindasteri tse ding. HPMC e ka arolwa ka: sehlopha sa kaho, sehlopha sa dijo le sehlopha sa meriana ho ya ka tshebediso. Hona jwale, boholo ba dihlahiswa tsa lapeng ke sehlopha sa kaho. Sehlopha sa kaho, phofo ya putty e sebediswa ka bongata, hoo e ka bang 90% e sebediswa bakeng sa phofo ya putty, mme tse setseng di sebediswa bakeng sa seretse sa samente le sekhomaretsi.
2. Ho na le mefuta e mekae ea hydroxypropyl methylcellulose (HPMC)? Tšebeliso ea eona ke efe?
——K: HPMC e ka aroloa ka mofuta oa hang-hang le mofuta oa ho qhibiliha ho chesang. Lihlahisoa tsa hang-hang li hasana kapele metsing a batang 'me li nyamela ka metsing. Mokelikeli ha o na viscosity ka nako ena hobane HPMC e hasana feela ka metsing 'me ha e qhibilihe hantle. Kamora metsotso e ka bang 2, viscosity ea mokelikeli e eketseha butle-butle 'me colloid e bonaletsang e viscous ea thehoa. Lihlahisoa tse qhibilihang ka ho chesang li ka hasana kapele ka metsing a chesang 'me tsa nyamela ka metsing a chesang ha li kopana le metsi a batang. Ha mocheso o theohela mochesong o itseng (sehlahisoa sa k'hamphani ea rona ke likhato tse 65 tsa Celsius), viscosity e hlaha butle-butle ho fihlela colloid e bonaletsang e viscous e thehoa. Mofuta oa ho qhibiliha ho chesang o ka sebelisoa feela bakeng sa phofo ea putty le seretse. Ka sekhomaretsi sa metsi le pente, ho tla kopana 'me ho ke ke ha sebelisoa. Mofuta oa hang-hang o na le mefuta e mengata ea ts'ebeliso. E ka sebelisoa bakeng sa phofo ea putty, seretse, sekhomaretsi sa metsi le pente ntle le lithibelo leha e le life.
3. Mekhoa ea ho qhibilihisa ea hydroxypropyl methylcellulose (HPMC) ke efe?
——Karabo: Mokhoa oa ho qhibiliha ka metsi a chesang: Kaha HPMC ha e qhibilihe ka metsing a chesang, HPMC e ka hasana ka ho lekana ka metsing a chesang mohatong oa pele 'me ea qhibiliha kapele ka mor'a ho pholile. Mekhoa e 'meli e tloaelehileng e hlalositsoe ka tlase:
1) Kenya metsi a chesang a hlokahalang ka setshelong 'me u a futhumatse ho fihlela ho 70℃. Butle-butle eketsa hydroxypropyl methylcellulose ka ho hlohlelletsa butle. Qalong HPMC e phaphamala holim'a metsi, ebe butle-butle e etsa lerōle, ebe e pholile ka ho hlohlelletsa.
2). Kenya 1/3 kapa 2/3 ea metsi a hlokahalang ka setshelong, u a futhumatse ho fihlela ho 70°C, u a hasanye HPMC ho latela mokhoa o ho 1), 'me u lokise slurry ea metsi a chesang; ebe u eketsa metsi a batang a setseng ho slurry ea metsi a chesang. slurry ka metsing, hlohlelletsa 'me u pholise motsoako.
Mokhoa oa ho kopanya phofo: Kopanya phofo ea HPMC le lintho tse ling tse ngata tse nang le phofo, kopanya hantle ka blender, ebe u eketsa metsi ho qhibiliha. Nakong ena, HPMC e ka qhibiliha 'me e ke ke ea kopana, hobane ho na le karolo e nyane feela ea HPMC karolong e 'ngoe le e 'ngoe. Sekhutlo se senyenyane. Phofo e qhibiliha hang ha e kopana le metsi. ——Bahlahisi ba phofo ea putty le seretse ba sebelisa mokhoa ona. Hydroxypropyl methylcellulose (HPMC) e sebelisoa e le setei se teteaneng le se bolokang metsi ka har'a seretse sa phofo ea putty.
4. U ka ahlola boleng ba hydroxypropyl methylcellulose (HPMC) joang ka bonolo le ka tlhaho?
——Karabo: (1) Bosweu: Le hoja bosweu bo sa etse qeto ea hore na HPMC e bonolo ho e sebelisa, haeba li-brighteners li eketsoa nakong ea ts'ebetso ea tlhahiso, e tla ama boleng ba eona. Leha ho le joalo, lihlahisoa tse ngata tse ntle li na le bosweu bo botle. (2) Botle: Botle ba HPMC ka kakaretso ke letlooa la 80 le letlooa la 100, 'me letlooa la 120 le le tlase. Bongata ba HPMC e hlahisoang Hebei ke letlooa la 80. Ha e le tšesaane, e ntle haholoanyane. (3) Phetisetso ea leseli: Kenya hydroxypropyl methylcellulose (HPMC) ka metsing ho etsa colloid e bonaletsang, 'me u hlahlobe phetisetso ea eona ea leseli. Ha phetisetso ea leseli e phahame, e molemo haholoanyane, e leng se bontšang hore ho na le lintho tse sa qhibiliheng haholo ka hare. Ho kenella ha moea ha li-reactor tse otlolohileng ka kakaretso ho molemo ho feta ha li-reactor tse otlolohileng, empa ho ke ke ha thoe boleng ba li-reactor tse otlolohileng bo molemo ho feta ba li-reactor tse otlolohileng. Ho na le lintlha tse ngata tse khethollang boleng ba sehlahisoa. (4) Matla a khoheli a itseng: Ha matla a khoheli a itseng a le maholo 'me a le boima haholo, ho molemo haholoanyane. Matla a khoheli a itseng hangata a bakoa ke dikahare tse phahameng tsa hydroxypropyl ho yona. Ha dikahare tsa hydroxypropyl di le ngata, ho boloka metsi ho ba betere.
5. Tekanyo ea hydroxypropyl methylcellulose (HPMC) ka har'a phofo ea putty ke efe?
——Karabo: Tekanyo ea HPMC lits'ebetsong tsa 'nete e fapana ho latela boemo ba leholimo, mocheso, boleng ba khalsiamo ea molora oa lehae, le foromo ea ho kenya. phofo ea ty le "boleng bo hlokoang ke moreki". Ka kakaretso, e pakeng tsa 4kg le 5kg. Mohlala, boholo ba phofo ea putty Beijing ke 5kg; boholo ba phofo ea putty Guizhou ke 5kg lehlabula le 4.5kg mariha;
6. Ke bokae bo nepahetseng ba hydroxypropyl methylcellulose (HPMC)?
——Karabo: Phofo ea putty hangata e bitsa li-yuan tse 100,000, 'me seretse se hloka ho feta moo, kahoo li-yuan tse 150,000 lia lekana. 'Me mosebetsi oa bohlokoa ka ho fetisisa oa HPMC ke ho boloka metsi, ho lateloa ke ho teteana. Phofong ea putty, hafeela e na le ho boloka metsi hantle le ho teteana ho tlase (70,000-80,000), ho lokile. Ehlile, ha ho teteana ho phahame, ho boloka metsi ho molemo. Ha teteana e feta 100,000, teteana ha e na phello e nyane ho etseng hore metsi a lule a le teng.
7. Lipontšo tse ka sehloohong tsa tekheniki tsa hydroxypropyl methylcellulose (HPMC) ke life?
——K: Bongata ba Hydroxypropyl le viscosity, basebelisi ba bangata ba tšoenyehile ka matšoao ana a mabeli. Ha hydroxypropyl e le ngata, ho boloka metsi ho ba betere. Ka viscosity e phahameng, ho boloka metsi ho ba betere (eseng ka ho felletseng), 'me ka viscosity e phahameng, ho sebelisoa hamolemo ka seretse sa samente.
8. Lisebelisoa tse ka sehloohong tsa hydroxypropyl methylcellulose (HPMC) ke life?
—— A: Lisebelisoa tse ka sehloohong tse tala tsa hydroxypropyl methylcellulose (HPMC): k'hothone e hloekisitsoeng, methyl chloride, propylene oxide, lisebelisoa tse ling tse tala li kenyelletsa caustic soda, asiti, toluene, isopropyl alcohol, jj.
9. Karolo e ka sehloohong ea HPMC ts'ebelisong ea phofo ea putty ke efe? Na e na le litlamorao life kapa life tsa lik'hemik'hale?
——Karabo: HPMC e na le mesebetsi e meraro e meholo ea ho teteana, ho boloka metsi le ho haha ka har'a phofo ea putty. Ho teteana: Cellulose e ka teteana ho emisoa, ea boloka tharollo e tšoana 'me ea hanela ho thekesela. Ho boloka metsi: Etsa hore phofo ea putty e ome butle 'me e thuse karabelo ea calcium e putsoa tlas'a ts'ebetso ea metsi. Kaho: Cellulose e na le phello ea ho tlotsa 'me e ka etsa hore phofo ea putty e sebetse hantle. HPMC ha e nke karolo liketsong life kapa life tsa lik'hemik'hale 'me e bapala karolo e thusang feela. Ha phofo ea putty e eketsoa metsing 'me e sebelisoa leboteng, karabelo ea lik'hemik'hale e tla etsahala. Ha ntho e ncha e thehoa, phofo ea putty leboteng e tlosoa leboteng 'me e siloa hore e be phofo pele e sebelisoa. Sena ha se sebetse hobane ntho e ncha (calcium carbonate) e se e thehiloe. ) holimo. Likarolo tse ka sehloohong tsa phofo ea khalsiamo e putsoa ke: motsoako oa Ca(OH)2, CaO le CaCO3 e nyane, CaO+H2O=Ca(OH)2 -Ca(OH)2+CO2=CaCO3↓+H2O Khalsiamo e putsoa e qhibiliha metsing le moeeng CO2 Tlas'a ts'ebetso ea calcium carbonate, HPMC e boloka metsi feela 'me e thusa khalsiamo e putsoa ho arabela hamolemo, 'me ha e kenelle karabelong efe kapa efe ka boeona.
10. HPMC ke ether ya cellulose e seng ya ionic, jwale e seng ya ionic ke eng?
K: Ho ya ka maemo a tlwaelehileng, di-non-ion ke dintho tse sa ioning ka metsing. Ionization ke tshebetso eo ka yona di-electrolyte di arohanang ho ba di-ion tse tjhajilweng tse tsamayang ka bolokolohi dihlapolling tse itseng (mohlala, metsi, jwala). Mohlala, sodium chloride (NaCl), letswai le jewang letsatsi le letsatsi, le qhalana ka metsing mme le ionise, le hlahisa di-ion tsa sodium tse tjhajilweng ka nepo (Na+) le di-ion tsa chloride tse tjhajilweng hampe (Cl). Ke hore, ha HPMC e kenngwa ka metsing, ha e arohane le di-ion tse tjhajilwe, empa e teng ka sebopeho sa dimolek'hule.
Nako ea poso: Hlakola-06-2024