Yeyiphi indima edlalwa yi-HPMC kwiipeyinti/iiNgxoxo zeSiseko saManzi

Hydroxypropyl Methyl Cellulose(HPMC) i-non-ionic cellulose ether polymer esekelwe kwi-cellulose, i-polymer yendalo ephuma kwi-cotton linter ecocekileyo.

Phantse zonke iipropati zeCellulose: Ichithwe ngokukhawuleza emanzini abandayo, i-Stable Thickening, Akukho zigaxa zefom, i-Highly Transparency kwisisombululo esisekelwe kumanzi, njenge-thickener, dispersant kunye ne-stabilizer kwishishini lokugquma, isetyenziswe kwiipeyinti ezisekelwe emanzini kunye neengubo kwibakala lokwakha.

IHydroxypropyl Methylcellulose (HPMC) idlala indima ebaluleke kakhulu kwaye eneenkalo ezininzi kwinkalo yokusetyenziswa kokwambathisa.

Ngokweempawu zerheological, i-HPMC isebenza njengesilungisi esibalulekileyo. Iyakwazi ukulungelelanisa ngokufanelekileyo i-viscosity yokuqulunqwa kwengubo, eyenza ukuba i-coating ikwazi ukufezekisa ukuhamba kakuhle ngexesha lenkqubo yesicelo. Oku akuqinisekisi nje ukuhanjiswa okulinganayo kokugquma kumphezulu we-substrate kodwa kukwanceda ukulawula ubukhulu bomaleko wokugquma ngokuchanekileyo. Ngokomzekelo, kwiingubo zokutshiza, i-viscosity efanelekileyo elawulwa yi-HPMC iqinisekisa ukuba izinto zokugquma ziyakwazi ukuba i-atomized kwaye ibambelele kakuhle kwindawo ekujoliswe kuyo.

Ngokumalunga nozinzo, i-HPMC isebenza njengomzinzisi othembekileyo. Inokuthintela ukwahlukana kunye ne-sedimentation yamacandelo ahlukeneyo ngaphakathi kwengubo, ngakumbi ii-pigments kunye nezigcwalisi. Oku kunceda ukugcina i-homogeneity kunye nokuzinza kwengubo ngexesha, ngaloo ndlela kuqinisekiswe umgangatho ohambelanayo kunye nokusebenza kwengubo. Kwiingubo zokugquma emanzini, i-HPMC isebenza ngokukodwa ekuthinteleni i-agglomeration kunye nemvula yezinto ezinyibilikayo emanzini, okubaluleke kakhulu kugcino lwexesha elide kunye nokusetyenziswa kweengubo.

 

Ngaphezu koko, kwinkalo yokwenziwa kwefilimu, i-HPMC nayo yenza igalelo elibalulekileyo. Ithatha inxaxheba ekubunjweni kwefilimu eqhubekayo kunye neyunifomu kwi-substrate. Ngokusebenzisana namanye amacandelo ekugqumeni, i-HPMC inceda ekuphuculeni ukunamathela kwefilimu kwi-substrate kunye nokuphucula amandla ayo omatshini kunye nokuqina. Oku kubalulekile ukuze i-coating imelane noxinzelelo olwahlukeneyo lokusingqongileyo kunye nokunxiba kubomi bayo benkonzo.

​

Kwinkqubo yokuvelisa i-coating, i-hydroxypropyl methyl cellulose, njenge-arhente yokulawula i-rheological, inokulungelelanisa i-viscosity kunye ne-rheology yokugqoka kunye nokuphucula ukusebenza kokwakhiwa kwengubo.

I-Hydroxypropyl methyl cellulose isetyenziswe njenge-stabilizer kwi-coatings, enokuphucula ukuzinza kunye nokusabalalisa kweengubo, ukuthintela ukuhlaliswa kwe-pigment kunye ne-condensation, kunye nokuqinisekisa ukufana kweengubo.

I-HPMC isebenza njenge-arhente yokutyebisa kwiipeyinti ezisekelwe emanzini. Yandisa i-viscosity yokwakheka kwepeyinti, inika ulawulo olungcono kwisicelo kunye nokuthintela ukugoba okanye ukuvuza. I-HPMC inceda ukufezekisa ukuhambelana okufunekayo kunye nokuthungwa kwepeyinti.

Kwiingubo zamanzi, i-hydroxypropyl methyl cellulose, njenge-emulsifier, inokuphucula ukuzinza kwe-emulsion yeengubo kunye nokukhusela i-coating delamination kunye nemvula.

Kwiingubo zangaphandle zodonga, i-hydroxypropyl methyl cellulose njenge-anti-cracking agent inokuphucula ukuchasana nokuqhekeka kunye nokuguquguquka kweengubo kunye nokuthintela ukuqhekeka kwinkqubo yokwakha.

I-HPMC ineempawu ezigqwesileyo zokugcina amanzi, eziluncedo kwimizobo yepeyinti. Inceda ukuthintela ukuvela komphunga ngokukhawuleza kwamanzi kwipeyinti ngexesha lokufaka isicelo, ngaloo ndlela ukwandisa ixesha elivulekileyo kunye nokuvumela ukusebenza kakuhle kunye nokuxubha.

I-HPMC isebenza njenge-binder kwiifom zepeyinti, iphucula ukunamathela kwepeyinti kwii-substrates ezahlukeneyo. Iphucula ukubunjwa kwefilimu kunye nokwandisa ukuqina kunye nokuchasana kwengubo yepeyinti.

I-HPMC inceda ekuzinziseni i-pigments kunye namanye amasuntswana aqinileyo ekubunjweni kwepeyinti. Ikhusela ukuhlalisa kunye ne-sedimentation of particles, ukuqinisekisa ukusabalalisa okufanayo kunye nokuhambelana kombala kulo lonke upende.

I-HPMC inciphisa ukutshiza ngexesha lokufakwa kwepeyinti. Iphucula ukuhamba kunye nokulinganisa iimpawu zepeyinti, okukhokelela ekugqityweni okugudileyo nangaphezulu.

I-HPMC ilungisa iipropathi zerheological zepeyinti, ezifana ne-viscosity, i-chear thinning behavior, kunye neempawu zokuhamba. Inika ulawulo olungcono kwinkqubo yesicelo kwaye iphucula i-brushability kunye ne-roller coverage yepeyinti.

I-HPMC iphucula ukusebenza ngokubanzi kwefilimu yepeyinti. Iphucula ukuxhathisa kwe-abrasion, ukuxhathisa ukukhuhla, kunye nokumelana namanzi kwepeyinti eyomileyo yokugquma. I-HPMC iphinde ibe negalelo ekuguquguqukeni kunye nokuqina kwefilimu yepeyinti, ukunciphisa amathuba okuqhekeka okanye ukugqabhuka.

I-HPMC isebenza njenge-agent ye-antifoaming kwiifom zepeyinti. Inceda ukunciphisa ukubunjwa kwe-foam ngexesha lokuxuba ipeyinti kunye nesicelo, okukhokelela ekugqityweni kakuhle.

Enkosi ngokuxhasa iJINJI CHEMCIAL.