Hydroxypropypropypropike ka tlhaho e hlahang ka tlhaho, e sa kotsi le 'mele oa motho. Leha ho le joalo, lisebelisoa tse tala tsa cotton linces le HPMC li tobana le sefahleho, hobane sena se tla ba le phello ea lerōle, 'me ba bang ha ba kotsi.
Hydroxypropypropiny le Methylcelllubulose ha e chefo. Cellulose e nkoa e loketse ebile e sebetsoa ka ho sebelisa likhoele tse etsahalang ka tlhaho, karabelo, ho hlatsoa, ho hlatsoa, ho hlatsoa, ho omella le lits'ebetso tse ling. E ke ke ea beha bophelo ba batho kotsing.
HydroxyproPypropity Methyl Methpromelose le cellular Methyl Methyl Methyl Etheright Tlas'a Maemo a Alkaline.
Synthes of HydroxypropyLe Methylcelulose: Colbalo ea k'hothone e hloekisitsoeng e tšoaroa ka ℃ Ho phatloha ka 9 Ka har'a sebaka se hlokahalang. Beha fiber ea Alkali e kena ka tlung ea lisebelisoa tsa altle, eketsa axide le methyl chlonide, le khatello e holimo e ka bang 1.8Le. Ebe u eketsa palo e nepahetseng ea acid ea hydrocloric acid le oxalic acid ho hlatsoa lisebelisoa ka metsing a chesang ho 90 ° C ho eketsa boholo le bophahamo. O sa a felloa ke moea ka masenke. O thellela ho sa nke lehlakore. Ha litaba tsa metsi tse fumanehang li le ka tlase ho 60%, li o li omisa ka molapo o chesang ho 130 ° C ho ea ka tlase ho 5%.
HPMC e hlahisoang ke mokhoa oa solvent o sebelisa Toluene le Isipropanol e le ea solvent. Haeba e hlatsoitsoe hampe haholo, e tla ba le monko o monyenyane o mongata. Ena ke bothata ba ts'ebetso ea ho hlatsoa, e sa amang ts'ebeliso kapa bothata bofe kapa bofe.
Hypromellose ke k'hothone e sa tsoakoang ke metsi ho fumana metsi a alkaline, lesiti, le hlatsoitsoeng, le hlatsoitsoeng, le hlatsoitsoeng, le hlatsoitsoe ho fumana lihlahisoa tse felileng. E mpe haholo ebile e monko, ka hona basebelisi ba ka e sebelisa maemong a tsitsitseng.
HydroxypropyLe methylcelulose e lokela ho ela hloko lintho tse latelang kopo:
Ka phello ea popo ea mud, hydroxypropy methylceulose e phethahatsa phello e tšehetsang, ebile ha e nke karolo ho tšehetsang hoa lik'hemile. Powger ea seretse e eketsoa ka metsi ebe e beha leboteng, e leng karabelo ea lik'hemik'hale. Ka lebaka la ho theoa ha lintho tse ncha, phofo ea mud e leboteng e tlosoa leboteng le fatše ho theha lintho tse ncha. HydroxypropypropinyL methylceulose e boloka metsi mme e thusa ho otlolla khalsiamo feela ho ba le karabelo e ntle, empa ha e nke karolo.
Hydroxypropypropypropypropinyl methyl cellselose hpmc ha e nke karolo ho ba lik'hemik'hale ho entse hore motho a arabele ka lik'hemik'hale, empa o thusa feela. Kenya metsi ho phofo ea seretse ebe u e beha leboteng, ke mokhoa oa lik'hemik'hale. Ka lebaka la ho theoa ha lintho tse ncha, phofo ea seretse leboteng e tlosoa leboteng le fatše, ebe lintho tse ncha li thehiloe NS. Likarolo tsa mantlha tsa khalase ea khalase ea phoka ea phofo ke: CA (OH) 2, motsoako oa cao le palo e nyane ea caco3, cao
H2O = CA (OH) 2 Co2 = Caco3 ↓ H2O
K'homo e putsoa e hlahisa lintho tse ling tse hlahisang metsi le co2 moeeng, ha HPMC e boloka metsi a mabeli ho ba le karabelo e ntle. Ha e nke karolo mohlanong.
Hydroxypropypropinyl methyl cellulolose e na le lits'ebeliso tse fapaneng. Linakong tsa letsatsi le letsatsi, lihlahisoa tse ngata li sa sireletseha ts'ebetsong ea ts'ebetso. Joale, indastering e fapaneng, phello ea methylcelulolose, ke tla e hlalosa, e le hore u ka etsa hore u se ke ua sebelisa litšobotsi ha u ntse u fumana tsebo hampe.
Pele ho tsohle, ka indastering ea kaho, e ka nkuoa e le moemeli oa ho khutlisa metsi le metsi. Sere se sere sa sere se matlafatse, ka hona seretse sohle seo re se sebelisang se nka karolo. Ntle le moo, thepa ea kaho e kang gypsum e tala, ea Plaster le ea seretse, e ka sebelisoa e le setsi sa ts'ebetso, empa hape e etsa hore ts'ebetso e be teng. Maboneng, lithaelese tsa waramic tsa storamic, mekhabiso ea li-storamation, mekhabiso ea lisele, e ka sebelisoa e le ho hlakoloa ke hydroxypropy
Indastering e meng e kang porcelain le letsopa, e ka sebelisoa e le khabollo ea lihlahisoa tsa porcelain le pottery; Ka li-indasteri tsa Lacquer le inke, e ka sebelisoa e le phofo ea mashano, le ka lebaka la li-softeners, lubricants, jj.; Ka har'a tlhahiso ea polyvinyl chlonide, e nkoa e le phofo e hlephileng.
Lihlahisoa tse entsoeng ka hydroxypropyl methylcelulose li sebelisoa haholo bocha ba litholoana le meroho, lingaka, matlalo a liphoofolo le liindasteri tsa lifate. E bolokehile ebile e se na matla, e sa khopiseng 'mele oa motho oa ho hlohlora' mele Leha ho le joalo, maemong a sebele a taba ena, lerōle la eona le ka baka tšilafalo ea letlalo ho qoba ho phatloha.
Ho boetse ho na le palo ea methylxyllulo ea Hydroxypropyl HPMC e sebelisitsoeng likopo tse sebetsang, tse anngoeng ke sekhahla sa Clicatum le "boleng bo hlokoang ke bareki". E 'ngoe le e' ngoe e fapane. Ka kakaretso, e pakeng tsa 4 kg le 5 kg. Mohlala, boholo ba phofo ea mud ea Beijing ke 5 kg; Boholo ba Guizhou ke 5 kg hlabula le 4,5 kg mariha; Yunnan e na le chelete e nyane, hangata 3 kg-4 kg joalo-joalo. Palo ea tlatsetso e fapane hanyane hohle kapa lintho tsa boleng ba Power ea seretse le tsona li fapane le hohle.
Ho Boloka Meea
Keydroxypropy-hydroxyllusese ea khethehileng ea kaho e qoba tšebeliso e feteletseng ea metsi ka substrate ka hohle kamoo ho ka khonehang nakong ea li -ypsum. Senotlolo sena se khethehileng se bitsoa ho boloka metsi 'me se lekane ka kotloloho ho bona hore na hydroxypropyl methylcelulose e sebelisetsoa kaho ho samente ea samente. Ea phahameng ho feta pono ea tharollo ea metsi.
Anti-sgging
Moretse o nang le thepa e khethehileng ea anti-sgging o ka sebelisoa ka ho kotula ka mokhoa o tsitsitseng a sa sisinyeheng, ho seng joalo ho tla oela ha mohaho o qala.
Fokotsa Concosity le ho fana ka kaho
Kamora ho eketsa lihlahisoa tse fapaneng tsa Hydro Xylpropyl methylcelulose, li-gypsisum tsa gypsusum ka mokhoa o tala ka bonolo o ka hlahisoa. Ha e nkoa e le e loketseng le ke sehlopha sa lipontšo tse tlase tsa Hydroxypropyl methylcelulese e sebelisoang, maemo a liketsahalo a fokotsehile mme ka mokhoa o bonolo. Leha ho le joalo, ho boloka metsi ka 'mele oa hydroxypropyLese methylcelulese kaho ea kaho e tlase e fokola,' me ho hlokahala hore palo ea ho ekelletsa moo.
Sekhahla sa polasetiki sa polasetiki
Bakeng sa seretse se sireletsehileng, e leng boholo ba moruo ho hlahisa boholo bo phahameng bo nang le metsi a nang le metsi, a ka finyelloang ka ho eketsa metsi le li-bubble tse nyane. Leha ho le joalo, haeba boholo ba metsi le li-bulup li telele haholo, matla ha a haella.
Nako ea poso: nov-11-2021