1. Tšebeliso ea mantlha ea hydroxypropyl methyl cellulose ke efe?
HPMCe sebelisoa haholo linthong tsa ho haha, lijalo, li-resin tsa maiketsetso, li-ceramics, meriana, lijo, masela, temo, litlolo, koae le liindasteri tse ling. HPMC e ka aroloa ka sehlopha sa indasteri, sehlopha sa lijo le kereiti ea bongaka ho latela ts'ebeliso.
2. Hydroxypropyl methyl cellulose e arotsoe ka mefuta e mengata, phapang ke efe pakeng tsa eona?
HPMC ka aroloa hang-hang (brand suffix "S") le chesang soluble, dihlahiswa hang-hang, ka metsi a batang ka potlako qhalakantsoeng, nyamela ka metsing, ka nako ena mokelikeli ha ho na viscosity, hobane HPMC e mpa e qhalakantsoeng ka metsing, ha ho na ho qhibiliha ha sebele. Hoo e ka bang metsotso e 2, viscosity ea mokelikeli e eketseha butle-butle, e etsa gel e hlakileng le e khomarelang. Lihlahisoa tse qhibilihang ka mocheso, tse kentsoeng ka metsing a batang, li ka qhalakanngoa ka potlako metsing a chesang, li nyamela metsing a chesang, joalo ka ho theoha ha mocheso ho ea mocheso o itseng (ho ea ka mocheso oa gel oa sehlahisoa), viscosity e hlaha butle, ho fihlela ho thehoa ha colloid e hlakileng ea viscous.
3. U ka tseba joang boleng ba hydroxypropyl methyl cellulose habonolo le ka mokhoa o hlakileng?
1) bosoeu, le hoja bosoeu bo ke ke ba tseba hore na HPMC e ntle, 'me haeba e eketsoa ka mokhoa oa ho hlahisa whitener, e tla ama boleng ba eona, empa, lihlahisoa tse ntle haholo-holo bosoeu bo molemo.
2) bokhabane: Bokhabane ba HPMC ka kakaretso ke 80 mesh le 100 mesh, 120 sepheo se tlase, hantle ho feta.
3) phetisetso ea leseli: HPMC ka metsing, e etsa colloid e bonaletsang, bona phetisetso ea eona e bobebe, e kholoanyane ho kenella ha lintho tse ntle, hlalosa li-insolubles tse tlase ka hare, kettle ea karabelo e otlolohileng ka likhato ka kakaretso e ntle, e tla romella tse ling tsa kettle ea karabelo e otlolohileng, empa e ke ke ea hlalosa hore boleng ba tlhahiso ea kettle e otlolohileng bo molemo ho feta boleng ba tlhahiso ea kettle.
4) karohano: karolo e kholoanyane, e boima haholo, ho feta e kholo, ka kakaretso ka lebaka la litaba tse phahameng tsa hydroxypropyl ka hare, lihlahisoa tsa hydroxypropyl li phahame, ho boloka metsi ho molemo.
4. Mekhoa ea ho qhibiliha ea hydroxypropyl methyl cellulose ke efe?
1) Mefuta eohle e ka eketsoa ka har'a thepa ka mokhoa o omileng oa ho kopanya;
2) Ho hlokahala ho eketsoa ka kotloloho ho tharollo ea metsi a mocheso o tloaelehileng, ho molemo ho sebelisa phepelo ea metsi a batang, kamora ho eketsa ka kakaretso ka metsotso e 10-90 ho teteaneng (hlohlelletsa moferefere)
3) Mehlala e tloaelehileng e ka qhibiliha ka mor'a ho kopanya le ho qhalakanngoa ka metsi a chesang le ho eketsa metsi a batang ka mor'a ho sisinyeha le ho pholile;
4) Ha ho qhibiliha, haeba ts'ebetso ea agglomerating e etsahala, ke hobane ho tsosoa ha hoa lekana kapa mohlala o tloaelehileng o kenngoa ka ho toba metsing a batang. Ka nako ena, e lokela ho tsosoa ka potlako.
5) Haeba li-bubble li etsahala nakong ea ho qhibiliha, li ka tlosoa ka ho ema lihora tse 2-12 (nako e tobileng e itšetlehile ka ho tsitsa ha tharollo) kapa ka vacuumizing le khatello ea kelello, kapa ka ho eketsa tekanyo e nepahetseng ea moemeli oa defoaming.
5 hydroxypropyl methyl cellulose ka bongata ba phofo ea putty?
HPMC ts'ebelisong ea 'nete ea palo, ke tikoloho ea boemo ba leholimo, mocheso, boleng ba khalsiamo ea bohlooho, putty powder formula le litlhoko tsa bareki tsa boleng bo fapaneng, 'me ho na le liphapang tse pota-potileng, ka kakaretso pakeng tsa 4-5 lik'hilograma.
6. Viscosity e nepahetseng ea hydroxypropyl methyl cellulose ke efe?
Putty powder ka kakaretso ke 100000 e ka khonang, litlhoko tsa seretse li phahame, ho 150000 feela tse ntle, 'me HPMC ke karolo ea bohlokoa haholo ke ho boloka metsi, ho lateloa ke ho teteaneng. Ka phofo ea putty, hafeela ho boloka metsi ho le molemo, viscosity e tlaase (7-8), hape hoa khoneha, ha e le hantle, viscosity e kholoanyane, ho boloka metsi a lekanyelitsoeng ho molemo, ha viscosity e feta 100,000, viscosity ea ho boloka metsi ha e ngata.
7. Lisebelisoa tsa mantlha tsa hydroxypropyl methyl cellulose ke life?
HPMClisebelisoa tse ka sehloohong tse tala: k'hothone e hloekisitsoeng, chloromethane, propylene oxide, lisebelisoa tse ling tse tala, alkali ea letlapa, toluene ea acid.
8. Hydroxypropyl methyl cellulose ha ho sebelisoa putty powder, karolo e ka sehloohong, ebang ke lik'hemik'hale?
Ka putty phofo, thickening, ho boloka metsi le kaho ea mesebetsi e meraro. Thickening, selulose ka thickened ho fanyeha, e le hore tharollo lula junifomo hodimo le tlase karolo ea anti-phallo leketlileng. Ho boloka metsi: etsa hore phofo ea putty e ome butle, e thusa grey calcium ts'ebetsong ea karabelo ea metsi. Kaho: lubrication ea cellulose, e ka etsa hore putty phofo e be le kaho e ntle. HPMC ha e kenye letsoho tšebetsong efe kapa efe ea lik'hemik'hale, empa e bapala karolo ea tšehetso feela.
9 .hydroxypropyl methyl cellulose ke non-ionic cellulose ether, joale ke eng eo e seng ea ionic?
Ho ea ka mantsoe a layman, lintho tse inert ha li kenye letsoho tšebetsong ea lik'hemik'hale.
CMC(carboxymethyl cellulose) ke cationic cellulose, kahoo ho kopana le grey calcium e tla fetoha masalla a linaoa.
10. Matšoao a mantlha a tekheniki a hydroxypropyl methyl cellulose ke afe?
Likahare tsa Hydroxypropyl
Likahare tsa methyl
viscosity
molora
Ho lahleheloa ke boima ba 'mele
11. Ke eng e amanang le mocheso oa gel oa hydroxypropyl methyl cellulose?
Thempereichara ea gel ea HPMC e amana le litaba tsa methoxyl, ha methoxyl e fokotseha, mocheso oa gel o phahame.
12 putty powder drop powder le kamano ea hydroxypropyl methyl cellulose?
Haeba HPMC e sa boloke metsi hantle, e tla baka phofo.
13 hydroxypropyl methyl cellulose ha ho sebelisoa putty powder, putty powder bubble lebaka lefe?
HPMC ka phofo ea putty, ho teteana, ho boloka metsi le kaho ea likarolo tse tharo, sesosa sa bubble:
1. )Metsi a mangata haholo a eketsoa.
2. )Lera le ka tlase ha le omelle, ebe o senya lesela holim'a lona, le lona ho leng bonolo ho senya.
14. Phapano ke efe lipakeng tsa hydroxypropyl methyl cellulose ea metsi a batang e qhibilihang ka potlako le e qhibilihang mocheso nakong ea tlhahiso?
HPMC metsi a batang hang-hang mofuta oa tharollo ke ka mor'a hore glyoxal holim'a kalafo, kenngoa ka metsing a batang ka potlako qhalakantsoeng, empa ha e le hantle qhibiliha, viscosity up, e qhibiliha. Mofuta oa thermosoluble ha o so alafshoe ka holim'a metsi ka glyoxal. Palo ea glyoxal e kholo, ho hasana ho potlakile, empa viscosity e lieha, chelete e nyane, ho fapana le hoo.
15. Ho thoe'ng ka monko oa hydroxypropyl methyl cellulose?
HPMC e hlahisoang ka mokhoa oa solvent e entsoe ka toluene le joala ba isopropyl. Haeba ho hlatsoa ha ho molemo haholo, ho tla ba le tatso e setseng. (Ho hlaphoheloa ha Neutralization ke mokhoa oa bohlokoa bakeng sa monko)
16. Mokhoa oa ho khetha hydroxypropyl methyl cellulose e nepahetseng bakeng sa ts'ebeliso e fapaneng?
Putty phofo: litlhoko tse phahameng tsa ho boloka metsi, ho lumellana hantle ha kaho (sekhahla se khothalletsoang: 75AX100000)
Seretse se tloaelehileng se thehiloeng ho samente: ho boloka metsi a phahameng, ho hanyetsa mocheso o phahameng, viscosity hang-hang (sekhahla se khothalletsoang: 75AX150000)
Tšebeliso ea sekhomaretsi sa mohaho: lihlahisoa tsa hang-hang, viscosity e phahameng. (Nomoro ea lebitso e khothalelitsoeng: 75AX200000S)
Seretse sa Gypsum: ho boloka metsi a phahameng, viscosity e bohareng le e tlase, viscosity hang-hang (mophato o khothalelitsoeng: 75AX75000)
17. hydroxypropyl methyl cellulose ke mang?
HPMC kapa MHPC alias hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
18. Phapano ke efe lipakeng tsa hydroxypropyl methyl cellulose leMC?
MC ke methyl cellulose, e hloekisitsoeng k'hothone ka mor'a phekolo ea alkali, methane chloride e le moemeli oa etherifying, ka letoto la liketso 'me e entsoe ka selulose ether, tekanyo e akaretsang ea ho fetola ke 1.6-2.0, tekanyo e fapaneng ea solubility ea substitution e boetse e fapane, ke ea non-ionic cellulose ether.
(1) Ho boloka metsi a methyl cellulose ho ipapisitse le palo ea eona ea tlatsetso, viscosity, botle ba likaroloana le sekhahla sa ho qhibiliha. Ka kakaretso, palo ea tlatsetso e kholo, botle bo nyane, viscosity e kholo, sekhahla sa ho boloka metsi se phahame, palo ea ho eketsoa e na le tšusumetso e kholo ho sekhahla sa ho boloka metsi, sekhahla sa ho boloka metsi le viscosity ha se tlase ho feta kamano, sekhahla sa ho qhibiliha se ipapisitse le boemo ba phetoho ea bokaholimo le boleng ba likaroloana tsa cellulose. Methyl cellulose le hydroxypropyl methyl cellulose ho tse 'maloa tsa cellulose ethers li na le sekhahla se phahameng sa ho boloka metsi.
(2) Methyl cellulose e ka qhibiliha ka metsing a batang, metsi a chesang a tla ba thata ho qhibiliha, tharollo ea eona ea metsi ka pH = 3-12 e tsitsitse haholo, 'me starch, joalo-joalo,' me li-surfactants tse ngata li na le tumellano e ntle, ha mocheso o fihla mocheso oa gelation, ho tla ba le ketsahalo ea gelation.
(3) Liphetoho tsa mocheso li tla ama ka ho teba tekanyo ea ho boloka metsi ea methyl cellulose, ka kakaretso, ha mocheso o phahame, ho boloka metsi ho mpefala. Haeba mocheso oa seretse o feta likhato tse 40, ho boloka metsi a methyl cellulose ho tla mpefala haholo, e leng se amang ka ho teba ho hahoa ha seretse.
(4)Methyl cellulosee na le tšusumetso e totobetseng holim'a ho hahoa le ho khomarela ha seretse. Ho khomarela mona ho bolela matla a sekhomaretsi a utloahalang pakeng tsa sesebelisoa le substrate ea lerako ke mosebeletsi, ke hore, ho hanyetsa ha seretse. Ho khomarela ho hoholo, ho hanyetsa ho kuta ha seretse ho hoholo, matla a hlokoang ke basebetsi ha a ntse a sebelisoa le ona a maholo, 'me ho hahoa ha seretse ho futsanehile.
Nako ea poso: Apr-25-2024