I-Methylcellulose (MC) yi-derivative efunyenwe kwi-cellulose ngonyango lwe-methylation kwaye ineempawu ezizodwa zomzimba kunye neekhemikhali. Njengesongezo esisebenzayo esisetyenziswa ngokubanzi, idlala indima ebalulekileyo kwiinkalo ezahlukeneyo zoshishino, kubandakanywa izinto zokwakha, ukutya, amayeza, izimonyo kunye neengubo, njl njl. Ukuqina kwayo okugqwesileyo, ukugcinwa kwamanzi, ukudibanisa, ukwenza ifilimu, i-emulsifying kunye nokuzinzisa imisebenzi yenza i-methylcellulose. isithako esibalulekileyo ekwandiseni nasekuphuculeni imiqulu yemizi-mveliso.
1. Ukuqina kwesiphumo
Iipropathi ezityebileyo ze-methylcellulose zenza ukuba ibe sisongezo esiyimfuneko kushishino lolwakhiwo kunye nokwaleka. Kwishishini lokwakha, ngokukodwa kwi-samente-based mortar kunye ne-gypsum products, i-methylcellulose inokunyusa kakhulu ukuhambelana kunye ne-viscosity yefomyula, ngaloo ndlela iphucula ukusebenza kwezinto. Ukufakwa kweepeyinti kunye neepeyinti, ukongezwa kwe-methylcellulose kunokuthintela ngokufanelekileyo ulwelo ekubeni lube lulwelo kakhulu kwaye luphucule ukunamathela kunye nokufana kwengubo.
Indlela yokunciphisa ubukhulu becala ngokuqulunqwa kwesakhiwo sothungelwano kwisisombululo nge-methylcellulose. Iintambo ze-molecular ze-methylcellulose zidibanisa ngeebhondi ze-hydrogen emanzini ukwenza isisombululo kunye ne-viscosity ethile. Esi sakhiwo sothungelwano sinokubamba kwaye silungise iimolekyuli zamanzi, ngaloo ndlela kwandisa i-viscosity kunye nokuzinza kwenkqubo yolwelo.
2. Ukugcinwa kwamanzi
Kwizinto zokwakha ezifana nodaka lwesamente kunye ne-gypsum slurries, iipropati zokugcina amanzi ze-methylcellulose zibalulekile. Izinto zokwakha zifuna umthamo ofanelekileyo wokufuma ukuze uthathe inxaxheba ekuphenduleni ngexesha lenkqubo yokunyanga. Ukulahleka kwamanzi kwangaphambi kwexesha kuya kukhokelela ekunyangeni okwaneleyo kwezinto, ukunciphisa amandla, okanye ukuqhekeka phezu komhlaba. I-Methylcellulose yenza ifilimu ebhityileyo kumphezulu wezinto eziphathekayo ukukhusela ukukhuphuka kwamanzi amaninzi kunye nokuqinisekisa ukuba i-samente, i-plaster kunye nezinye izinto ezinomswakama owaneleyo ngexesha lokunyanga, ngaloo ndlela ziphucula amandla kunye nokuqina kwazo.
Esi siphumo sokugcina amanzi sibaluleke kakhulu kwiindawo ezomileyo okanye ezinobushushu obuphezulu, okuvumela i-methylcellulose ukuba isebenze kakuhle ukwakhiwa kwamashishini phantsi kweemeko ezingqongileyo ezingqongileyo.
3. Ukudibanisa kunye nokwandisa amandla ezinto eziphathekayo
Iipropati zokubambisana ze-methylcellulose nazo zigqwesileyo kwimveliso yoshishino. Ngokomzekelo, kwii-adhesives ze-tile kunye nezinye iintlobo ze-adhesive bonding, i-methylcellulose inokuphucula ukudibanisa kokuqulunqwa, ukuvumela ukuba izinto ezidibeneyo zihambelane bhetele kwindawo yokusebenza. Ubume be-molecular chain chain ye-methylcellulose inokusebenzisana kunye nempahla ye-matrix ukunyusa amandla okudibanisa, ngaloo ndlela kuphuculwe amandla okwakheka ngokubanzi kwezinto.
Kwiiplastiki ze-fiber-reinforced (FRP), i-methylcellulose inokunyusa amandla kunye nokuqina kwezixhobo ezidibeneyo ngokusebenzisa isakhiwo sayo se-fibrous, inika izinto eziphathekayo amandla aphezulu kunye nokumelana nokunxiba, ngaloo ndlela iphucula ukuqina kwayo kwizicelo zamashishini. ngesondo.
4. Ukuqulunqwa kwefilimu
I-Methylcellulose inekhono elihle lokwenza ifilimu kwisisombululo, kwaye le propati isetyenziswe ngokubanzi kwiindawo ezininzi zoshishino. Kwishishini leengubo kunye nepeyinti, i-methylcellulose inokwenza ifilimu yokukhusela efanayo eyandisa ukunyanzeliswa kwamanzi kunye nokuchasana kweekhemikhali zokugquma.
Kwishishini lokutya, i-methylcellulose ikwasetyenziswa ngokuqhelekileyo kwiinkqubo zokugquma okanye ukwenza ifilimu, ngakumbi ekugcinweni ngokutsha kweziqhamo, imifuno kunye nokunye ukutya. Ngokwenza ifilimu encinci, i-methylcellulose ilibazisa ukulahleka komswakama kwaye ikhusela ukutya okuvela kwindawo yangaphandle.
5. Uzinziso kunye nokumiliselwa
I-Methylcellulose inokuvelisa isisombululo esiphezulu se-viscosity xa ichithwa emanzini, enemiphumo yokuzinzisa kunye ne-emulsifying. Le propati ibaluleke kakhulu kumashishini afana neengubo, iipeyinti, izimonyo kunye namalungiselelo amayeza. Kwipeyinti kunye nepeyinti, i-methylcellulose inokuzinzisa ukusabalalisa kwee-pigments, ukukhusela ukuhlalisa, kunye nokuphucula i-gloss kunye nokufana kwengubo; kwi-cosmetic formulations, i-methylcellulose isebenza njenge-emulsifier ukuzinzisa inkqubo yokuxuba ioli yamanzi kunye nokukhusela i-Stratification eyenzekayo.
Kumalungiselelo amayeza, i-methylcellulose iqhele ukusetyenziselwa ukujiya kunye nokuzinzisa amalungiselelo olwelo lomlomo kunye nomthwali wamachiza. I-viscosity yayo kunye neempawu zokwenza ifilimu inokunceda ichiza likhululwe kancinci, landise ixesha lesiphumo sechiza, kunye nokuphucula ukufumaneka kweyeza.
6. Iimpawu ze-Thermal gelling
Ipropathi ebalulekileyo yomzimba ye-methylcellulose yindlela ekhethekileyo yokuziphatha kwe-thermal gelling, apho ijika ibe yijeli xa ishushu. Olu phawu lwenza ukuba lungenakuphinda luthathelwe indawo kwezinye iifomyula ezikhethekileyo zemizi-mveliso. Ngokomzekelo, kwishishini lokutya, i-methylcellulose isetyenziselwa ukucubungula ukutya okunamafutha aphantsi. Ijeli eyenziwe emva kokufudumeza inencasa efana namafutha, evumela ukutya okunamafutha aphantsi ukugcina incasa entle kunye nokuthungwa. Kwishishini lokwakha, le propati ye-thermal gelling iphucula ukuqina kunye nokuzinza kwezinto zokwakha kwiindawo eziphezulu zokushisa.
7. I-Biocompatibility kunye nobuhlobo bendalo
I-Methylcellulose, njengekhompawundi evela ngokwemvelo, ine-biocompatibility efanelekileyo kunye nobuhlobo bendalo. Oku kuyenza idume kakhulu kwimiqulu yemizi-mveliso yanamhlanje, ngakumbi kwiindawo ezineemfuno eziphezulu zokusingqongileyo, ezifana nezakhiwo eziluhlaza, i-ecological coatings kunye nezinto zokupakisha ezonakeleyo. I-Methylcellulose inokuthotywa ngokwemvelo, ukunciphisa umthwalo wokusingqongileyo kwaye ihambelane nomkhwa woshishino wophuhliso oluzinzileyo.
8. Ukuphucula ukusebenza kakuhle
Kwimveliso yamashishini, i-methylcellulose inokuphucula ukusebenza kakuhle. Ngokomzekelo, kwizinto zokwakha, i-methylcellulose inokunyusa umbane kunye nokugcinwa kwamanzi kwezinto, ngaloo ndlela iphucula ukukhululeka kunye nokusebenza kakuhle kokwakhiwa; kwi-cosmetics kunye namalungiselelo amayeza, i-methylcellulose inokuphucula ukuzinza kweefomyula kunye nokunciphisa imvula. kunye ne-delamination, ngokwandisa ixesha leshelufu yemveliso. Ezi zakhiwo zivumela i-methylcellulose ukuba iphucule kakhulu ukusebenza kakuhle kwemveliso ngelixa ilungiselela ukwakhiwa kwamashishini.
Njenge-additive multifunctional, i-methylcellulose isetyenziswe kumashishini amaninzi afana nokwakhiwa, ukutya, amayeza, izimonyo, iingubo, njl. ngenxa yeempawu zayo ezininzi ezifana nokuqina, ukugcinwa kwamanzi, ukudibanisa, ukwenza ifilimu, ukuzinzisa, i-emulsification kunye ne-thermal gelling. idlala indima ebalulekileyo ebaleni. Ayinakuphucula kuphela iipropathi ezibonakalayo zokwenziwa kwemizi-mveliso, kodwa ikwaphucula ukusebenza kakuhle kwemveliso kunye nokuhlangabezana neemfuno ezahlukeneyo zamashishini. Ngexesha elifanayo, i-biocompatibility kunye nobuhlobo bendalo be-methylcellulose nayo yenza ukuba ibe yinto efanelekileyo ehlangabezana neemfuno zophuhliso oluzinzileyo. Ngokusebenzisa ngokufanelekileyo i-methylcellulose ekuqulunqweni kwamashishini, ayikwazi nje ukuphucula umgangatho wemveliso, kodwa ikhuthaze inkqubela phambili kunye nophuhliso lobuchwepheshe bezoshishino.
Ixesha lokuposa: Sep-13-2024