1. Intshayelelo
I-HydroxyPOpyl Methylcelcelsulose (HPMC) sisisele esibalulekileyo seseluplosec sellUlose esungulwe ngokubanzi kwizinto zokwakha, amalungiselelo ngamayeza, ongezelelweyo okutya kunye ne-cosmetics. Ukugcinwa kwayo kakuhle kwamanzi yenye yeempawu eziphambili zesicelo se-HPMC.
2. Ulwakhiwo kunye neepropathi ze-HPMC
2.1 Ubume bemichiza
I-HPMC yi-Semi-synthetic ye-selupelic. I-hydroxypropyl kunye ne-methyl yokuthathela kwe-methyl kwimo yemichiza inika i-solidaility eyahlukileyo kunye neepropathi zeColodal. Isakhiwo esisisiseko se-HPMC siqukethe imixokelelwane ye-β-d-glucose ye-sellyulose, apho amaqela e-hydroxyl atshintshwa yi-methyl kunye namaqela e-hydroxypropy. Isikhundla kunye nesidanga sokufakwa endaweni yezi zinto zichaphazela ngokuthe ngqo i-solinoity, i-viscosity kunye nokugcinwa kwamanzi kwi-HPMC.
2.2 Iipropathi zomzimba
I-Soliday yaManzi: I-HPMC inyibilika ngokulula emanzini abandayo kwaye iyenza isisombululo seColoidal kumanzi ashushu.
Ipropathi yokuthambisa: Inokwenza isisombululo se-viscous emanzini kwaye sineziphumo ezilungileyo.
Ipropathi yokwenza ifilimu: Inokwenza ifilimu ebonakalayo ne-elastic.
Ukumiswa: Inentsebenzo enqunyanyisiweyo kwisisombululo kwaye unokuzinzisa izinto ezinqunyanyisiweyo.
I-3. Ukugcinwa kwamanzi kwi-HPMC
3.1 Indlela yokugcina amanzi
Ukugcinwa kwamanzi i-HPMC ikalwe ikakhulu kunxibelelwano phakathi kwe-hydroxyl kunye namaqela angenaluphantsi kwimozulu yemolekyuli kunye neemolekyuli zamanzi. Ngokukodwa, i-HPMC igcina amanzi kwezi ndlela zilandelayo:
I-hydrogen bound: Amaqela e-hydroxyl kwiimolekyuli ze-HPMC fomu ye-Hydrogen Bonds ngeemolekyuli zamanzi. Lo mkhosi wenza ukuba iimolekyuli zamanzi zidityaniswe ngokuqinileyo malunga ne-HPMC, ukunciphisa ukuvela kwamanzi.
Isiphumo esiphakamileyo se-Viscosity: isisombululo esiphezulu se-viscofity esenziwa yi-HPMC emanzini sinokuthintela ukuhamba kwamanzi, ngaloo ndlela kuncitshiswa ilahleko yamanzi.
Ubume benethiwekhi: Isakhiwo senethiwekhi ezenziwa yi-HPMC emanzini sinokufaka kwaye sigcine iimolekyuli zamanzi, ukuze amanzi asasazwe ngokulinganayo kwisakhiwo senethiwekhi.
Iziphumo ze-colloid: I-colloid eyenziwe yi-HPMC inokukhangela amanzi ngaphakathi kwi-colloid kwaye yandise ixesha lokugcina amanzi.
Imiba echaphazela ukugcinwa kwamanzi
Inqanaba lokufakwa endaweni: Ukugcinwa kwamanzi i-HPMC kuchatshazelwa ngumgangatho wokufaka endaweni ye (DS). Ukuphakama kwenqanaba lokufakwa endaweni, ukomelela kwe-hpmcrophility ye-HPMC kunye nokusebenza kwendlela yayo yokugcina amanzi.
Ubunzima bemolekyuli: Ubunzima obuphezulu bemolekyuli buya kunceda ekwenzeni inethiwekhi ye-molecular ye-molecular eyomeleleyo, ngaloo ndlela iphucula ukugcinwa kwamanzi.
Uxinzelelo: Ukugxininiswa kwesisombululo se-HPMC kunefuthe elibonakalayo kwindlela yokugcina amanzi. Izisombululo zoxinaniso eziphezulu ziyakwazi ukwenza izisombululo ze-viscous kunye nezakhiwo ezinenethiwekhi ezizinzileyo, apho koko kugcina amanzi amaninzi.
Iqondo lokushisa: Ukugcinwa kwamanzi i-HPMC kuyahluka kubushushu. Xa iqondo lobushushu liyanyuka, ukubonwa kwesisombululo se-HPMC siyancipha, sikhokelela ekunciphiseni kokugcinwa kwamanzi.
4. Ukusetyenziswa kwe-HPMC kwimimandla eyahlukeneyo
4.1 Izinto zokwakha
Kwizinto zokwakha, i-HPMC isetyenziswa njengendawo yokugcina amanzi yesamente kunye neemveliso ezisekwe gypsim. Imisebenzi yayo ephambili ibandakanya:
Ukuphuculwa kwentsebenzo yokwakha: Ngokugcina isixa esifanelekileyo sokufuma, ixesha elivulekileyo lesamente kunye ne-gypsum yandisiwe, esenza inkqubo yokwakha inyibilikisi.
Ukunciphisa imifula: Ukugcinwa kwamanzi kakuhle kunceda ukunciphisa imifuno eyenziwe ngexesha lenkqubo yokomisa kwaye iphucule amandla kunye nokuqina kwento yokugqibela.
Ukuphuculwa kwamandla e-Conse: Kwi-Tile Dhesheves, i-HPMC inokunyusa amandla ebhondi kunye nokuphucula isiphumo se-bill.
4.2 Amalungiselelo amachiza amayeza
Kumalungiselelo asemachiza, ukugcinwa kwamanzi i-HPMC kudlala indima ephambili ekukhulu kweziyobisi:
Ukulungiswa okuzinzileyo: I-HPMC inokusetyenziswa njenge-matrix ekhutshelweyo ye-matrix yeziyobisi yokuphunyezwa kwamachiza okulawula ukungena kwamachiza kunye nokuchitheka kwamachiza.
Amantshontsho kunye nee-bibors: Kwizishishi ezingamachiza kunye neetafile, i-HPMC isebenza njenge-thickener kunye ne-binder ukugcina uzinzo kunye nokungaguquguquki kwamachiza.
4.3 Izongezo zokutya
Kwishishini lokutya, i-HPMC isebenza njenge-thi cokener kunye nokuzinzisa, kwaye ukugcinwa kwamanzi kwasetyenziselwa:
Ukuphucula incasa: Ngokugcina amanzi, i-HPMC inokuphucula ukuthungwa kunye nokungcamla ukutya, kuyenza ityhafile kwaye imnandi.
Ukwandiswa kobomi beshelufa: ngokugcinwa kwamanzi, i-HPMC inokuthintela ukulahleka kwamanzi ngexesha lokugcina, ngaloo ndlela yandisa ubomi beshelup.
4.4 cosmetics
Kwizithombisi, ukugcinwa kwamanzi kwe-HPMC kusetyenziselwa:
Isiphumo sokunyathela: Njengomntu othanda ukunyibilikisi, i-HPMC inokunceda ukutshixa umswakama kumphezulu wolusu kwaye ibonelele ngesiphumo sexesha elide.
Ukuzinzisa ukumiswa: Kwi-Emosions kunye nokuHanjiswa kweZimilo, i-HPMC ihlala ivelisa imveliso kwaye ithintela ukuxoxwa kunye ne-sedation.
Ukugcinwa kwamanzi i-HPMC kwenza ukuba kube yinto ebalulekileyo kwimimandla emininzi. Igcina amanzi kwaye inciphise ukuphuma kwamanzi kwi-hydrogen ye-hydrogen, iziphumo ze-viscosity ephezulu, ubume benethiwekhi kunye neziphumo zeColoid. Ukugcinwa kwamanzi kuyachaphazeleka ngesidanga sokufakwa endaweni, ubunzima bemolekyuli, uxinzelelo kunye neqondo lokushisa, elimisela ukusebenza kwe-HPMC kwisicelo esithile. Nokuba kwizinto zokwakha, amalungiselelo ngamayeza, i-cosmetives yokutya okanye ukugcinwa kwamanzi, ukugcinwa kwamanzi i-HPMC kudlala indima ephambili ekuphuculeni umgangatho kunye nokusebenza kwemveliso.
Ixesha lasemva kwexesha: Jun-26 ukuya ku-4024