Ngokuhydroxypropyl carbowymethyl seluploseImakethi yokuthengisa ngakumbi nangaphezulu, ixabiso alinakulungelelananga, indlela yokucoca ngokukhawuleza kumgangatho we-hydropyl methyl selliese yingxaki ebalulekileyo! Ke indlela yokugweba umgangatho we-hydroxypropyl methylcelgulose? Into yokuqala yokujonga bumhlophe we-hydroxdproplose yeseluplose; Nangona ubumhlophe abunakucaca ukuba i-HPMC ifanelekile ukuba isebenze, kodwa kwinkqubo yokuqhubela phambili ikwakhona nakwabavelisi ababi baya kongeza iarhente yemhlophe, iya kwenzakalisa umgangatho wayo. Kodwa ngokubanzi ithetha, uninzi lwe-ether engathethekiyo i-Ether ilunge ngakumbi.
Okwesibini, ukubona ukulunga kwe-hydropyl methyl seluplopy: i-hydroxypropyl carboxymmethyl selyulose yobukhulu be-80-100 Meshroxyyl I-HPMC ye-60-80 mesh, i-methyl jikelele seluplose ithamsanqa, ukusasazeka okungcono.
Isisombululo se-selsulose ether rate:I-HPMCFaka emanzini ukuba uvelise isisombululo esibonakalayo, jonga ukuphakanyiswa kwesisombululo, ukuphakamisa isisombululo, esingayicimiyo ichiza lezikhemikhali.
Xa impahla ishushu, ilungiselelwe okanye ikhutshiwe kwaye ikhunjulwe emva koko ikhunjulwe. I-hydrophobic kunye ne-inyibilika emanzini. Ikhonkrithi yeyona nto iphambili i-bonds kunye nokuphawula izinto ezingafunekiyo zomgubo ochasene namanzi. Umgaqo-nkqubo wawo onganyangekiyo ngolu hlobo lulandelayo: Kwinkqubo yokongeza amanzi kunye nokuvuselela i-tedex ye-latex ye-Latex kunye nesamente, ipowude ye-Latex igcina ibuyela kwifom ye-Emolsion yoqobo, kwaye amasuntswana ka-Latex achithwa ekuchitheni kakuhle. Emva kokuba isamente ihlangabezana namanzi, impendulo ye-hydration iqala, kwaye i-CA (Oh) isisombululo se-2 sifikelela kwi-rystals, kwaye kwangaxeshanye, i-ettciels shricate chuttaids ivelisiwe. Amasuntswana e-Latex afakwe kwijeli kunye namasuntswana angenamva. Ngenkqubela phambili yokuphendula komzimba, iimveliso ze-hydiment ziyanda, kwaye amasuntswana e-Latex aqokelelwa ngokuthe ngcembe kwizinto ezingenamsebenzi njengesamente, kwaye wenza i-quider esondeleyo kumphezulu wejeli yesamente. Ngenxa yokuncitshiswa kancinci kwamanzi owomileyo, iipakethi zepakethi eziqhushunjisiweyo ze-latex kunye ne-voids yokuphucula ifilimu eqhubekayo, eyenza umxube wesamente inamathisela kunye nolunye uhlobo lwesamente.
IXESHA LOKUQALA: APR-28-2024