Hydroxypropyl Methylcellulose a matsayin wakilai masu rarraba, samfuran da aka samu suna da tsari da sassauƙan barbashi, ƙimar da ta dace da ƙarancin aiki da kyakkyawan aiki. Duk da haka, yin amfani da Hydroxypropyl Methylcellulose kadai zai iya taimakawa wajen rashin kuskuren guduro ko da yake. Gabaɗayan aikin guduro ba shi da kyau. A fili amfani da hydroxypropyl methylcellulose da dama daban-daban alcoholysis digiri na polyvinyl barasa iya sa aikin na kayayyakin mafi alhẽri, da ingancin sauki sarrafa kuma a lokaci guda iya rage farashin. Wakilin tarwatsawa shine babban abin da ke yin tasiri ga siffar barbashi na guduro chloride na polyvinyl. Karami saman tashin hankali na ruwa bayani na janar dispersing jamiái da interfacial tashin hankali tare da Vinyl chloride monomer ne, da mafi kyau da VCM droplets za a iya tarwatsa. Kuma ta haka ne barbashi diamita na PVC guduro zai zama karami. Ƙarfin ƙarfin kariya na wakili mai watsawa shine, mafi kusancin ɓangarorin guduro na PVC da aka samu zai kasance kuma ƙaramin porosity zai kasance. Kuma coalescence intergranular ma ya fi wuya, don haka yana da sauƙi don samar da resins.
Alal misali, a cikin tsarin watsawa na fili na PVA da HPC, mafi girma matakin alcoholysis na PVA shine, mafi girman yanayin tashin hankali na maganin ruwa zai kasance kuma mafi ƙarfin kariya zai kasance, yayin da wani taro na hydroxypropyl methylcellulose ya kasance. mai kyau watsawa sakamako. Sabili da haka, yin amfani da PVA tare da babban digiri na giya a matsayin na farko
wakili mai watsewa, da haɗawa a
wasu adadin hydroxypropyl methylcellulose
a matsayin mai watsawa don dakatar da polymerization, yana da sauƙi don shirya resin PVC wanda zai iya saduwa da bukatun kwayoyin halitta. Alal misali, a cikin tsarin watsawa na fili na PVA da HPC, mafi girma matakin alcoholysis na PVA shine, mafi girman yanayin tashin hankali na maganin ruwa zai kasance kuma mafi ƙarfin kariya zai kasance, yayin da wani taro na hydroxypropyl methylcellulose ya kasance. mai kyau watsawa sakamako.
Lokacin aikawa: Maris 17-2022