A cikin kayan kwalliya, akwai abubuwa da yawa marasa launi da wari, amma kaɗan ne marasa guba.A yau, zan gabatar muku da, hydroxyethyl cellulose, wanda ya zama ruwan dare a yawancin kayan shafawa ko kayan yau da kullum.
Hydroxyethyl Cellulose【Hydroxyethyl Cellulose】
Har ila yau, an san shi da (HEC) fari ne ko kodadde rawaya, mara wari, fibrous mara guba ko foda.Saboda HEC yana da kyawawan kaddarorin kauri, dakatarwa, tarwatsawa, emulsifying, bonding, ƙirƙirar fim, kare danshi da samar da colloid mai kariya, an yi amfani dashi sosai a cikin aikace-aikacen likita da kayan kwalliya.
Siffofin Samfur
1.HEC yana soluble a cikin ruwan zafi ko sanyi, kuma baya tasowa a babban zafin jiki ko tafasa, yana sa shi yana da nau'i mai yawa na solubility da danko, da kuma ba-zazzabi gelation;
2. Ba-ionic kanta ba zai iya zama tare da wasu nau'o'in nau'in polymers masu narkewa da ruwa, surfactants da salts, kuma yana da kyau mai girma colloidal thickener dauke da high-maida hankali dielectric mafita;
3. Ƙarfin ajiyar ruwa yana da sau biyu fiye da na methyl cellulose, kuma yana da mafi kyawun tsarin tafiyar da ruwa;
4. Idan aka kwatanta da gane methyl cellulose da hydroxypropyl methyl cellulose, da dispersing ikon HEC ne mafi muni, amma m colloid yana da karfi da iko.
rawar a kayan shafawa
Nauyin kwayoyin halitta na kayan shafawa, da yawa na halitta mahadi, wucin gadi mahadi da sauran abubuwa ne daban-daban, don haka wajibi ne a ƙara wani dissolving wakili don sa duk sinadaran taka mafi kyau rawa.Solubility da danko Properties na hydroxyethyl cellulose cikakken taka rawa, da kuma kula da ma'auni, sabõda haka, asali siffar kayan shafawa za a iya kiyaye a cikin m yanayi na sanyi da zafi.Bugu da ƙari, yana da kaddarorin masu ɗorewa kuma yana da yawa a cikin kayan shafawa na kayan shafawa.Musamman ma, masks, toners, da dai sauransu an kusan ƙara su.
illa
Hydroxyethyl cellulose amfani da kayan shafawa ne m ba mai guba a lokacin da yin amfani da softeners, thickeners, da dai sauransu Kuma an dauke a matsayin No. 1 muhalli aminci samfurin da EWG.
Lokacin aikawa: Nuwamba-16-2022