Naphthalene sulfonate formaldehyde Condensate(FDN) wani surfactant anionic tare da tsarin ruwa-phobic wanda ya ƙunshi zoben ban ruwa da aka haɗa da methylene da tsarin ruwa-philic tare da rukunin sulfonic acid. An yadu amfani da ruwa-rage wakili ga kankare, rini dispersant da kwal ruwa slurry dispersant saboda balagagge roba tsari da kyau kwarai dispersant yi. An shirya FDN daga naphthalene masana'antu ta sulfonation, hydrolysis, condensation da neutralization tare da maida hankali sulfuric acid.
A cikin 'yan shekarun nan, tare da farashin naphthalene na masana'antu, wanda ke ɗaukar man fetur da kwal a matsayin albarkatun kasa, yana tasowa, yana kawo tsada mai yawa ga samar da FDN. Yana da mahimmancin tattalin arziki don ƙara haɓaka kaddarorin FDN ta hanyar gyare-gyaren jiki da sinadarai ko don nemo sabbin kayan maye gurbin naphthalene masana'antu don haɗa FDN don rage farashin samarwa.Saukewa: 36290-04-7
Naphthalene Sulfonate a halin yanzu an haɗa shi kamar yadda FDN samfurin Condensate yana da a lokaci guda yana samar da digiri na tara kwayoyin halitta, rarraba nauyin nauyin kwayoyin halitta da sauran halaye, don saduwa da bukatun aikin injiniya, wannan takarda, ta hanyar hanyoyin jiki ultrafiltration zai FDN bisa ga kwayoyin halitta. nauyi (wanda kuma aka sani da digiri na polymerization) ya gudana akan rarrabuwa, ta hanyar spectrometry na taro, ma'anar tantancewa na asali na halayen tsarin daban-daban na kwayoyin matakin FDN, da kuma nazarin FDN daban-daban a kan matakin kwayoyin Domin samun ingantacciyar aikin watsawa na FDN.Sulfonated Naphthalene Condensate/ Sodium Salt.
Don bincika bambancin sassa daban-daban na nauyin kwayoyin FDN a cikin aikin aikace-aikacen siminti, wannan takarda ta yi nazarin halayen adsorption na FDN a saman sassan siminti, ciki har da yuwuwar electrokinetic, ƙarfin adsorption, kauri na adsorption, da kuma ta hanyar kwayoyin halitta. taron kai, ya sami tasirin nauyin kwayoyin halitta, salts inorganic salts and hydrogen bond force akan ADsorption na FDN. Bugu da kari.
Lokacin aikawa: Mayu-31-2022