Hydroxyethyl celluloseAna amfani da shi sosai a cikin fenti na latex, fenti na emulsion & sutura, yadda ake amfani da hydroxyethyl cellulose a cikin fenti?
1. Ƙara kai tsaye zuwa pigment abrasive
Wannan hanya ita ce mafi sauƙi kuma tana ɗaukar ɗan gajeren lokaci. Cikakken matakan sune kamar haka:
(1) Ƙara ruwa mai tsabta da ya dace a cikin ramin babban mai tayar da hankali (gaba ɗaya, ethylene glycol, wakili na wetting da wakili na fim suna ƙara a wannan lokacin)
(2) Fara motsawa a ƙananan gudu kuma a hankali ƙara hydroxyethyl cellulose
(3) ci gaba da motsawa har sai dukkanin barbashi sun jike
(4) Ƙara mai hana mildew, mai daidaita pH, da sauransu.
(5)Dama har sai duk hydroxyethyl cellulosean narkar da shi gaba daya (dankowar maganin yana ƙaruwa sosai) kafin ƙara sauran abubuwan da aka gyara a cikin tsari da niƙa har sai an kafa lacquer.
2. sanye take da uwa barasa
Wannan hanya an fara sanye take da mafi yawan adadin giya na uwa sannan a saka shi a fenti na latex. Amfanin wannan hanyar shine yana da mafi girman sassauci kuma ana iya ƙara shi kai tsaye zuwa fenti da aka gama, amma dole ne a adana shi da kyau. Matakan da hanyoyin sun yi kama da matakan (1) - (4) a cikin Hanyar 1, sai dai cewa ba a buƙatar mai motsawa ya zama babba, kuma kawai mai motsa jiki yana da isasshen iko don kiyaye filaye na hydroxyethyl daidai tarwatsa a cikin bayani ana amfani dashi. . iya. Ci gaba da motsawa har sai an narkar da shi gaba daya a cikin bayani mai danko. Ya kamata a lura cewa dole ne a ƙara mai hana mold zuwa uwar barasa da wuri-wuri.
3. tare da poridge
Tun da kwayoyin halitta shine rashin ƙarfi na hydroxyethyl cellulose, ana iya amfani da waɗannan magungunan kwayoyin don samar da porridge. Abubuwan da aka fi amfani da su kamar su ethylene glycol, propylene glycol, da masu yin fim (kamar hexane ko diethylene glycol butyl acetate), ruwan kankara shima rashin ƙarfi ne, don haka ana yawan amfani da ruwan kankara tare da ruwa mai ƙarfi Ana sanye da shi. poridge. Za a iya ƙara porridge-kamar hydroxyethyl cellulose kai tsaye zuwa fenti. Hydroxyethyl cellulose an jiƙa sosai a cikin porridge. Idan an ƙara shi a fenti, ya narke nan da nan kuma ya yi kauri. Bayan ƙari, ya zama dole a ci gaba da motsawa har sai hydroxyethyl cellulose ya narkar da gaba daya kuma yayi kama da juna. Gabaɗaya, porridge yana haɗe da wani yanki na kaushi mai ƙarfi ko ruwan kankara da wani yanki na hydroxyethyl cellulose. Bayan kamar minti 5 zuwa 30, hydroxyethyl cellulose na hydrolyzed kuma yana tashi sosai. Gabaɗaya, zafi na ruwa a lokacin rani ya yi yawa kuma bai kamata a yi amfani da shi don porridge ba.
4. Tsare-tsare yayin amfani da giya na mahaifiyar hydroxyethyl cellulose
Tun da hydroxyethyl cellulose (HEC)shi ne granule da aka kula da shi, yana da sauƙin sarrafawa da narkewa a cikin ruwa idan dai an lura da abubuwa masu zuwa.
(1) Kafin da kuma bayan ƙari na hydroxyethylcellulose, dole ne a ci gaba da motsawa har sai bayani ya bayyana gaba daya kuma ya bayyana.
(2) Dole ne a sanya shi a hankali a cikin tanki mai haɗuwa. Kada a ƙara hydroxyethyl cellulose wanda aka kafa ya zama toshe da siffa mai siffa kai tsaye cikin tanki mai haɗawa.
(3) Ruwan zafin jiki da ƙimar pH a cikin ruwa suna da alaƙa mai mahimmanci tare da rushewar hydroxyethyl cellulose, kuma dole ne a dauki kulawa ta musamman.
(4) Kada a ƙara wasu abubuwa na alkaline zuwa gauraya kafin foda hydroxyethyl cellulose ya jika da ruwa. Ƙara pH bayan jiƙa yana taimakawa wajen narkewa.
(5) Ƙara masu hana ƙura da wuri da wuri.
(6) Lokacin amfani da high danko hydroxyethyl cellulose, uwar barasa maida hankali kada ya zama sama da 2.5-3% (ta nauyi), in ba haka ba uwar barasa da wuya a rike.
Lokacin aikawa: Janairu-03-2019