Hydroxyethyl cellulose (hec)ndi ether-soleble cellulose yamadzi, yomwe imagwiritsidwa ntchito kwambiri polankhula, zomangira zomangira, mankhwala tsiku lililonse mankhwala ndi minda ina. Komabe, Hec ali ndi kusungunuka kwambiri kwamadzi kwambiri komanso ofooka hydrobiccity, omwe angayambitse zoperewera pazomwe zimagwiritsidwa ntchito pazochitika zina zofunsira. Chifukwa chake, hyrophophorhobilly yosinthidwa hydroxyethyl cellulose (HMHIC) idayamba kukonza zovuta zake, luso lakukula, kukhazikika kwa emulsization ndi kukana madzi.
1. Kuunika kwa hydrophobic kusintha kwa hydroxyethyl cellulose
Kuwongolera katundu wambiri ndi mitundu yamitundu yachinyengo
Kusintha kwa hydrophobic kumatha kusintha luso la kukula kwa Hec, makamaka pamitengo yotsika. Zimawonetsa mafayilo apamwamba, omwe amathandizira kukonza thixotropy ndi pseudopustity ya kachitidwe. Katunduyu ndi wofunikira makamaka m'minda yamafuta, mafuta osamalira anu, ndi zina zambiri, ndipo amatha kukulitsa kukhazikika ndikugwiritsa ntchito zotsatira za malonda.
Sinthani Kukhazikika kwa Emulsion
Popeza Hec yosinthidwa imatha kupanga njira yogwirizira matenda am'madzi, imathandiza kwambiri kukhazikika kwa emulsion, kumatha kuchepetsa kupatukana kwamadzi, ndikusintha mphamvu. Chifukwa chake, ili ndi phindu lalikulu mu minda ya emulsion, zopangidwa ndi khungu ndi ma emulsifiers.
Kukulitsa madzi kukana ndi mawonekedwe a filimu
Miyambo yazachikhalidwe ndi hydrophilic kwambiri komanso kusungunuka mosavuta mu nthaka kapena madzi, omwe amakhudza madzi kukana. Kudzera mu hydrophobic kusintha, ntchito yake pakuphatikiza, zomata, mapepala ndi minda ina imatha kukulitsidwa, ndipo madzi ake amakaniza ndi mawonekedwe a makanema amatha kusintha.
Sinthani malo a Shear
Hydrophobic-osinthidwa amatha kuchepetsa mamasukidwe pansi pa zigawo zazitali, pomwe akusunga ndalama zambiri pamitengo yotsika, potero ndikuwongolera magwiridwe antchito ndikuchepetsa kugwiritsa ntchito mphamvu. Ili ndi phindu pamakampani monga migodi ya mafuta komanso zomangamanga.
2. Ma hydrophobic kusintha kwa hydroxyethyl cellulose
Hec hydrophobic kusintha nthawi zambiri kumatheka pobweretsa magulu a hydrophobic kuti asinthe kusungunuka kwake ndikuthamangitsidwa kudzera pakusintha kwamankhwala kapena kusintha kwakuthupi. Njira zosinthira za hydrophobic zili motere:
Kupanga kwa Hydrophobic
Kuyambitsa Alkyl (monga hexlcyl), aryl (monga phenyl), magulu olumbira pa Sloxane kapena Fluane Molek Mowale amatengera kuti hydrophobicity yake. Mwachitsanzo:
Kugwiritsa ntchito eleteriction Kupitiliza kumeza kwa ma alkyl okulirapo, monga hexeidecyl kapena octyl, kuti apange kapangidwe ka hydrophobic.
Kubweretsa magulu a silcone kudzera mu sioxan kusintha kwa Silox kuwongolera madzi ndi mipata.
Kugwiritsa ntchito kusinthasintha kusinthaku kuti musinthe nyengo pokana ndi hydrophobity, ndikupangitsa kukhala koyenera kwa zofunda zapamwamba kapena zojambula zapadera.
Kubwezeretsa kapena kusinthika
Mwa kudziwitsa Cononomers (monga ma acrylate Mwachitsanzo, kugwiritsa ntchito Hiyrophophecally kusinthidwa kwa ma polymer emulsions kumatha kukulitsa kukhazikika ndikukula kwa emulsion.
Kusintha kwakuthupi
Kugwiritsa ntchito madsororption kapena ukadaulo wokutira, mamolekyulu a hydrophobic. Njirayi imakhala yofatsa komanso yoyenera kugwiritsa ntchito moyenera mankhwala osokoneza bongo, monga chakudya ndi mankhwala.
Kusintha kwa macheza
Mwa kuyambitsa magulu ochepa a hydrophobic a hec molekyulu, imapanga mgwirizano wothandizirana nawo m'madzi am'madzi, potero amalimbikitsa luso la kukula. Njirayi imagwiritsidwa ntchito kwambiri pakukula kwa okutira kwambiri ndipo ndiyoyenera zokutira, mankhwala a mafuta ndi minda ina.
Kusinthidwa kwa hydrophobic kwahydroxyethyl celluloseNjira yofunika kwambiri yothandizira kugwiritsa ntchito, zomwe zimatha kukulitsa luso lake, kukhazikika kwa emulsization, kukana madzi ndi miyambo yachinyengo. Njira zosinthira zofananira zimaphatikizapo kukonzekera kwa hydrophobic, porsolymerization kapena kusinthidwa kolumikizira, kudzisintha kwa thupi ndi kusinthidwa kwa hydrophobic. Kusankhidwa koyenera kwa njira zosinthira zitha kungofuna kuchita zofuna za Hec malinga ndi zofunikira zosiyanasiyana kugwiritsa ntchito, kuti titenge gawo lalikulu m'minda yambiri monga zomangamanga, mankhwala a mafuta, ndi mankhwala.
Nthawi Yolemba: Mar-25-2025