Hydroxypropypropypropy Methyl, Na ua tseba?

1.HPMC e arotsoe mofuta oa Instant le mofuta oa ho lahla lintho ka potlako.

Mofuta oa HPMC o qhalanang ka potlako oa ho lahla le lengolo s, le Glyoxal li tlameha ho eketsoa nakong ea tlhahiso ea tlhahiso.

Mofuta oa HPMC Instant ha o kenye litlhaku leha e le life, tse kang "100000" li bolela "liketsahalo tse 100000 pono.

2. Ka kapa ntle le s, litšobotsi li fapane

Pholoso e potlakileng ea HPMC e hasanang kapele ha e kopana le metsi a batang le ho nyamela ka metsing. Ka nako ena, mokelikeli ha o na pono, hobane HPMC e hasoa ka metsing ntle le ho qhalana. Kamora metsotso e ka bang habeli, ke pono ea metsi butle-butle butle-butle e ea eketseha, etsa li-colloids tse ntle tsa pono ea pono.

Hmpmc hang-hang li ka hasana ka potlako metsing a chesang a ka bang 70 ° C. Ha mocheso o theoha ka mocheso o itseng, vicosion e tla hlaha butle ho fihlela colloid ea ho tšoants'oa e ntse e thehoa.

3.Woth kapa ntle le s, morero o fapane

HPMC ea hang-hang e ka sebelisoa feela phofo le seretse. Ka sekhomarei sa metsi, pente le ho hlatsoa lihlahisoa, ho tla ba le ntho e 'ngoe ea sehlopha mme e sa sebelisoe.

HPMC e khelositsoeng ka potlako e na le lits'ebetso tse fapaneng ka potlako 'me e ka sebelisoa phofo, seretse, seretse, seretse, lefu la ho hlatsoa le ho hlatsoa litsitso ntle le litšitiso.

Mokhoa oa 4.Dassisonl

4-1. Nka palo e hlokahalang ea metsi a chesang, e kenye sekontine le ho e chesa ho phahameng ka 80 ° C, 'me butle-butle eketsa sehlahisoa se liehang butle. Ka makhetlo a seng makae holim'a selefounu qalong, empa butle-butle e hasana butle butle hore e thellehe ntho e tšoanang. Tharollo e ne e kokobetse e ne e hlohlelletsa.

4-2. Ntle le moo, mocheso 1/3 kapa 2/3 ea metsi a chesang a nyolohang ho 85 ° C, eketsa cellulese ea metsi, u lule u hlohlelletsang

4-3. Mmush oa cellulose o hantle, 'me o teng ha likaroloana tse nyane tse sisinyeha,' me e qhibiliha kapele ha e kopana le metsi a hlokahalang.

4-4. Butle-butle mme ka ho lekana eketsa cllloulose ka mocheso oa kamore, 'me o lula a hlohlelletsa ho fihlela tharollo ea ho hlahlojoa e thehoa.

Ke lintlha tse 6.Mang ama ho boloka metsi a ho boloka hydroxypropyproppyl methyl celluloulese?

5-1. Hpmc homogeneity

Ka linako tse ling o ile a sebelisa HPMC e ile ea arabela hape. Mokhoa

5-2. Mocheso oa cellulose ether hpmc thermal gel

Ea futhumetseng a futhumetseng a boqhetsi, lebelo le phahameng la metsi; Ho seng joalo, leque le ka tlase ho metsi a bolokang metsi.

5-3. Sebaka sa HPMC Visconcy

Ha liketsahalo tsa HPMC li ntse li eketseha, Sepole sa ho boloka metsi le hona hoa eketseha; Ha liketsahalo li fihla boemong bo itseng, ho eketseha ha matala a ho boloka metsi metsing a lokelang ho ba bonolo.

Karolo ea 6.Ddition ether ea cellulose ether hpmc

Ka ho fetisisa palo ea cellulose ether HPMM e kenyellelitsoeng, sekhahla sa ho boloka metsi le ho boloka metsi hantle ho ikoetlisa ka metsing.

Karolong ea 0,25-0.6%, Letala la ho boloka metsi le ile la eketseha ka potlako le keketseho ea palo ea chelete; Ha kenyelletso e 'ngoe e ntse e eketseha, mokhoa oa ho boloka metsi a fokola.