Iprophathi yefilimu yefilimu ye-HydroxyPOpyl MethylcelceLcelose (HPMC) yindawo ephambili yokusetyenziswa kwayo ngokubanzi kwimimandla yezicelo ezininzi. I-HPMC yi-erlulose ye-telsulose yamanzi esetyenziswa ngokubanzi kumzi mveliso. Iipropathi zayo zokwenza ifilimu zibandakanya iipropathi zoomatshini, iipropathi ezibonakalayo, uzinzo lwamachiza, ukuhambelana nezinye izithako, kunye nezinye izinto ezininzi.
1. Indlela yokwakha ifilimu
I-HPMC inyibilikisa emanzini ukwenza isisombululo se-colloidal esibonakalayo. Emva kokuphuma kwamanzi, iimolekyuli ze-HPMC kwisisombululo ngokutshintsha kunye nokunxibelelana kwakhona ukwenza ifilimu eqhubekayo enamandla athile kunye nobunzima obuthile. Ubukho be-hydroxypropyl (-C3chohch3) kunye ne-methyl (-C3) amaqela kwi-HPMC Chain kunika ifilimu yamandla amanye amanye amanyathelo aphezulu kunye nenqanaba elithile lokuguqula.
I-2. Iipropathi zoomatshini
Amandla kunye ne-ducity
Iifilimu ze-HPMC ezibonisa amandla e-thensile kunye ne-tensity kwaye zinokumelana noxinzelelo oluthile ngaphandle kokophula. Ezi ndawo zoomatshini zihambelana nobunzima bemolekyuli, isidanga sokufakwa endaweni, kunye nokugxininiswa kwesisombululo se-HPMC. I-HPMC enezisindo eziphezulu zemolekyuli kunye nenqanaba lokufakelwa endaweni yoko lenza iifilimu ezomeleleyo kunye nezityhafileyo. Oku kwenza ukuba i-HPMC ixabiseke kakhulu kwizicelo ezifuna amandla okwenza oomatshini, ezinjengezinto zokwakha, iingubo, kunye neepilisi zamayeza.
Umlinganiso
Iifilimu ze-HPMC zine-onethesion elungileyo kwaye zinokubambelela kakuhle kwindawo eyahlukeneyo, efana nephepha, intsimbi, iglasi, kwiplastiki. Le propati yenza ukuba isetyenziswe ngokubanzi kwiingubo kunye nemihlambi. Unamathedoni kuchaphazeleka yinkqubo yesisombululo kunye neemeko zokomisa.
I-3. IiPropathi zeXesha
Iifilimu ze-HPMC zihlala zibonakala okanye zithwele kwaye zinezikhundla ezibalaseleyo. Ukucaca kwezi filimu kuxhomekeke ikakhulu kukufana kwesisombululo, iimeko zokomisa, kunye nenani leebhubhu ezincinci ezinokuvela ngexesha lenkqubo yokwenziwa kwefilimu. Ukungafihli nto iphambili kwenza i-HPMC iluncedo kakhulu kwizicelo ezifuna ukubonwa okubonakalayo, ezinjengokupakishwa kokutya, iingubo zereyithi kunye nemveliso yokukhusela.
4. Ukuzinza kwamachiza
Ukuchasana kwamanzi
Iifilimu ze-HPMC zinomgangatho othile wokunganyangeki kwamanzi. Nangona i-HPMC ngokwayo iyanyibilika amanzi, isakhiwo emva kokwenziwa kwefilimu ayichithwanga ngokulula xa ityhilwe emanzini. Le ndawo iluncedo kwizicelo ezininzi, ezinjengee-plassies zokwakha, imibhedu, kunye neengubo ezisekwe emanzini. Nangona kunjalo, ukuxhathisa kwamanzi akuyomfuneko, kwaye ukuntywiliselwa ixesha elide emanzini kunokubangela ukungcungcutheka okanye ukuqhekeka kwefilimu.
Ukuxhathisa iikhemikhali
Ifilimu ye-HPMC inesibindi sokunganyangeki kwiikhemikhali ezahlukeneyo, ngakumbi kwiindawo ezingathathi cala kwezopolitiki. Oku kukwenza ilungele iindawo ezithile zoncedo, ezinje ngengubo kunye neefilimu ezikhuselayo kwishishini lekhemikhali. Uzinzo lwekhemikhali kwifilimu ye-HPMC ikwachaphazeleka ngumgangatho wayo wokucofa kunye nokusingqongileyo esetyenziswayo.
5. Iimeko zokwenza ifilimu
Ukugxilwa kwesisombululo
Ugxininiso lwesisombululo luchaphazela umgangatho wokwenza ifilimu ye-HPMC kunye neepropathi zefilimu. Ngokubanzi, ukugxininiswa okuphezulu kwezisombululo ze-HPMC zefom yefom enkulu kunye neefilimu ezomeleleyo. Nangona kunjalo, uxinzelelo oluphakamileyo lunokubangela ukuba kubonakalise ukufakwa kwesisombululo, kwenza ukuba kube nzima ukufaka ngokulinganayo.
Iimeko ezomisayo
Isantya sokwakhiwa kunye neqondo lobushushu linefuthe elibonakalayo kulwakhiwo kunye neepropathi zefilimu. Amaqondo obushushu aphezulu awomileyo kunye nezantya zomisa ngokukhawuleza zikhokelela ekumiselweni kweebhubhu kwifilimu, echaphazela izinto ezinqabileyo kunye noomatshini befilimu. Inkqubo eyomileyo ecothusayo inceda ekwenzeni ifilimu efanayo, kodwa inokukhokelela ekuguqukeni koxinzelelo lwesolvent, echaphazela umgangatho wefilimu.
6. Ukuhambelana nezinye izithako
Ifilimu ye-HPMC ihambelana kakuhle nezixhobo ezisebenzayo, ezinjengeplastiki, iifilimu, iifilitha, njl njl. Umzekelo, ukongeza iiplasitiki kunokuphucula ukuguquguquka kwefilimu, ngelixa iiarhente zokunxibelelanisa ezinqamlezileyo zinokongeza amandla kunye nokuchasana kwamanzi kwifilimu.
7. Iindawo zesicelo
Izinto zokwakha
Kwizinto zokwakha, iifilimu ze-HPMC zisetyenziswa kubukhoboka oxubeneyo, i-poty, iingubo, iimveliso kunye nezinye iimveliso. Ipropathi yayo yokwenza ifilimu inokuphucula ukunamathela, ukunyangwa nokunganyangeki kwamanzi kweemveliso.
Amayeza
Kwintsimi yamayeza, i-HPMC isetyenziswa njengezinto zokuhamba kweetafile zamachiza. Ipropathi yayo yokwenza ifilimu inokulawula ngokufanelekileyo inqanaba lokukhutshwa kweziyobisi kunye nokuphucula uzinzo kunye nokusebenza kweziyobisi.
Ishishini lokutya
Iifilimu ze-HPMC zisetyenziswa njengezinto zokupakisha ukupakisha kwishishini lokutya kunye neepropathi zomqobo ezilungileyo kunye nokhuseleko.
I-Coasthings kunye ne-Dheshevers
Ukutsala nokucaca kweefilimu ze-HPMC zenza ukuba bakwazi ukuthoba amanye amaqathango kunye nemikhono, kwaye basetyenziswa ngokubanzi kwishishini lokudibana kwemizi mveliso kunye nokupakisha amashishini.
8. Ubuhlobo bokusingqongileyo
I-HPMC yimveliso eguqulweyo evela kwiseli yendalo. Inkqubo yayo yokwenza ifilimu ayifuni ukuba izicombululo eziyingozi kwaye inee-biodegradiance elungileyo kunye nobuhlobo bokusingqongileyo. Oku kwenza ukuba kubaluleke kakhulu kuphuhliso lwe-chemistry eluhlaza kunye nezinto ezizinzileyo.
Iipropathi zokwenza ifilimu ze-HPMC-GAGE ze-HPMC zenza ukuba ibe yinto engenakufikeleleka kwizicelo ezahlukeneyo. Izibonelelo zayo kumandla omatshini, iziqu ezibonakalayo, uzinzo lwekhemikhali, kunye nokuhambelana nezinye zinika uluhlu olubanzi lwamathuba. Nokuba kwizinto zokwakha, amayeza, ukupakishwa kokutya, okanye kwi-caress kunye nemibhedesi, i-HPMC ibonakalisile ukusebenza okuhle. Ngokuqhubela phambili kwesayensi kunye netekhnoloji, itekhnoloji yokuqulunqa ifilimu kunye neendawo zokwenza isicelo ze-HPMC ziya kuqhubeka nokwandisa, ukukhuthaza ukuphuculwa kwezicelo ezininzi zokusebenza.
I-Post Ixesha: Jun-29 ukuya ku-2024