I-Hydroxypropyl Methylcellulose (HPMC) iyinhlangano eguquguqukayo esetshenziswa kabanzi kwizimboni ezahlukahlukene kufaka phakathi amakhambi, ukwakhiwa, ukudla nezimonyo. I-Compound ihlelwe ngochungechunge lwezinqubo zamakhemikhali ezibandakanya izinto ezahlukahlukene zokuqala.
I-Hydroxypropylmethylcellellellulose i-polymer yoncibilike ye-semi-soluble ethathwe ku-cellulose, i-polymer yemvelo etholakala ezindongeni zeseli zezitshalo. Ngenxa yezakhiwo zayo ezihlukile, kuvame ukusetshenziswa njengomuntu omkhulu, i-stabilizer, kanye ne-ejenti eyakha amafilimu emikhakheni ehlukahlukene. I-HPMC yenziwa ngokushintsha iselula ngokusabela kwamakhemikhali ukwethula ama-hydroxypropyl kanye namaqembu we-methyl.
impahla eluhlaza:
1. I-cellulose:
Umthombo: I-CelLleLose yinto ebalulekile eluhlaza ye-HPMC futhi isuselwa emicu yezitshalo, imvamisa uginindela wokhuni noma ukotini.
Ukucutshungulwa: I-cellulose ithola ukucubungula okubanzi ukwehlisa amaketanga ama-cellulose ayinkimbinkimbi kumayunithi amancane, ngaleyo ndlela akha izinto zokuqala zokuguqulwa okuthe xaxa.
2. I-Phypene oxide:
Umthombo: I-Phylene Oxide iyingxenye esemqoka yokuguqulwa kwe-Hydroxypropyl futhi isuselwa ku-prochemical propylene.
Ukucutshungulwa: I-Phylene Oxide iphendula nge-cellulose phambi kwe-Alkali ukwethula amaqembu we-hydroxypropyl emhlane we-cellulose.
3. I-methyl chloride:
Umthombo: I-methyl chloride ngokuvamile ikhiqizwa kusuka ku-methanol, engasuselwa emithonjeni yemvelo noma emithonjeni ye-biomass.
Ukucutshungulwa: I-Methyl Chloride isetshenziselwa ukuphendula nge-cellulose ukwethula amaqembu we-methyls ukwakha isakhiwo sokugcina se-hydroxypropyllethylcellelylcellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellellelbolose.
4. I-Sodium Hydroxide:
Umthombo: I-Sodium Hydroxide, eyaziwa nangokuthi i-Caustic Soda, isisekelo esiqinile esikhiqizwa nge-electrolysis ye-sodium chloride (usawoti wethebula).
Ukucutshungulwa: I-Sodium Hydroxide isetshenziswa ekwelashweni kwe-Alkali ye-cellulose ukukhuthaza ukusabela nge-propylene oxide ukwengeza amaqembu e-hydroxypropyl.
5. I-hydrochloric acid:
Umthombo: I-Hydrochloric acid ingumkhiqizo owenziwe ngezinqubo ezahlukahlukene zezimboni, njengokukhiqizwa kwe-chlorine.
Ukucutshungulwa: Sebenzisa i-hydrochloric acid ukuze uhlukanise ingxube yokusabela ukuze uqinisekise ukuthi i-PH efanele iyagcinwa ngesikhathi sokuhlanganiswa kwe-HPMC.
6. Amanzi:
Umthombo: Amanzi ayingxenye esemqoka ku-HPMC Synthesis, esebenza njengendlela yokuphendula futhi ethuthukisa i-hydrolysis ye-cellulose.
Ukucutshungulwa: Amanzi asetshenziswa ezigabeni ezahlukahlukene zenqubo yokukhiqiza, kufaka phakathi i-hydrolysis ye-cellulose kanye nokugeza kanye nezinyathelo zokuhlanza.
Inqubo Yokukhiqiza:
Ukukhiqizwa kweHydroxypropylllylylylyll methylcellulose kufaka uchungechunge lwezinyathelo, lapho izinto zokusetshenziswa ezingenhla zidlala indima ekuhlolweni
Indima ebalulekile.
Ukulungiselela i-cellulose:
I-cellulose ihlukaniswe nemicu yezitshalo (ipulpili lezinkuni noma ukotini) futhi ithola uchungechunge lwezinqubo zokunciphisa isisindo se-molecular, okwenza kube lula ukuguqula.
Ukwelashwa kwe-Alkali:
I-cellulose iphathwa nge-sodium hydroxide ukudala imvelo ye-alkaline efanelekela ukusabela nge-propelene oxide.
Isingeniso seHydroxyproppyl:
I-Phypele Oxide ingezwe ku-ALkali-Phawa i-CelLeLose ukwethula amaqembu we-hydroxypropyl kwi-cellulose backbone.
Isingeniso se-Methyl:
I-Methyl Chloride yethulwa kwingxube yokusabela, okuholela ekungeneni kwamaqembu we-methyls ku-hydroxypropylated cellulose.
UNeutrize:
Sebenzisa i-Hydrochloric acid ukuze uhlukanise ingxube yokusabela ukuze uqinisekise ukuthi umkhiqizo wokugcina awusisekelo ngokweqile.
Ukugeza nokuhlanza:
I-hydlcellopyllllyrlose ephumela imiphumela yagezwa futhi ihlanzwe ukususa ukungcola, izinto ezingavuthiwe ezivuthiwe kanye nemikhiqizo.
Ukomisa:
I-HPMC ehlanziwe iyomiswa ukuthola umkhiqizo wokugcina, okumhlophe ku-powder emhlophe.
Izicelo ze-hydroxypropylm methylcellulose:
I-HPMC inezicelo ezimbonini ezahlukahlukene ngenxa yezakhiwo zayo ezihlukile:
Isidakamizwa:
Kusetshenziswe njengezinamathela, ukumbona amafilimu kanye nokukhipha umatikuletsheni okuqhubekayo emashashini amakhambi.
Bekezela:
Kusetshenziswe njenge-reatriner kanye ne-ejenti yokugcina amanzi emikhiqizweni esekwe kuthusi enjenge-donsa kanye nezinhlekelele.
Imboni yokudla:
Kusetshenziswe njengesikhudlwana, i-Stabilizer kanye ne-emulsifier emikhiqizweni yokudla, kufaka phakathi amasoso, ukugqoka kanye nezimpahla ezibhakiwe.
cosmetic:
Kusetshenziswe njengesikhudlwana kanye ne-stabilizer ekwakhiweni kwezimonyo okufana nokhilimu kanye nama-lotions.
Amapende nezimbobo:
Kusetshenziswe njengomugqa omkhulu kanye nokushintshwa kwe-Rheology kumapende asuselwa emanzini kanye nokumboza.
Imikhiqizo Yokunakekelwa Kwakho:
Ingezwe kwimikhiqizo ehlukahlukene yokunakekelwa komuntu siqu efana nama-shampoos nomzimba wageza ngezinto zawo zokuqina nokuzinza.
Ukucatshangelwa Kwezemvelo:
Yize i-HPMC iyi-polymer esetshenziswayo esetshenziswa kabanzi, izici zezemvelo kufanele zibhekwe. Ukukhiqizwa kwe-HPMC kubandakanya ukusabela kwamakhemikhali kanye nokusetshenziswa kwama-fertstocks ase-petrochemical. Kuqhubeka imizamo yokuhlola imithombo eqhubekayo ye-cellulose kanye nokwandisa izinqubo zokukhiqiza ukuze unciphise umthelela wezemvelo.
I-Hydroxypropylllylylylys methylcellose iyinhlangano ebalulekile futhi eguquguqukayo enezicelo ezahlukahlukene ezimbonini ezahlukene. Izinto ezivuthiwe ezibandakanyeka ekuhloleni kwalo zifaka phakathi i-cellulose, i-propelly oxide, i-sodium hydroride, i-hydrochloric acid namanzi, abhekana nochungechunge lwezinqubo zokugcina ukukhiqiza umkhiqizo wokugcina. Ukuqonda izinto ezisetshenziswayo nezinqubo zokukhiqiza kubalulekile ekuqondeni izakhiwo kanye nokusetshenziswa kwe-HPMC kanye nokuhlola izindlela zokukhiqiza okuqhubekayo ngokuzayo.
Isikhathi sePosi: Feb-19-2025