Yanzu mutane da yawa ba su san abubuwa da yawa game da sitacin hydroxypropyl ether ba. Suna tsammanin babu bambanci sosai tsakanin sitacin hydroxypropyl ether da sitacin yau da kullun, amma ba haka bane. Adadin sitacin hydroxypropyl ether da ake amfani da shi a cikin kayayyakin turmi yana da ƙanƙanta sosai, kuma ƙarin adadin polar na iya samun sakamako mai kyau.
Hydroxypropyl sitaci ether (HPS) wani farin foda ne mai laushi wanda ake samu ta hanyar gyara tsirrai na halitta, wanda aka tace shi sosai, sannan aka fesa shi da feshi, ba tare da masu ƙara filastik ba. Ya bambanta gaba ɗaya da sitaci na yau da kullun ko sitaci da aka gyara.
Kuma hydroxypropyl methyl cellulose, wanda aka fi sani da hypromellose, hydroxypropyl methyl red vitamin ether, shine a yi amfani da auduga mai tsabta sosai a matsayin kayan da aka yi amfani da shi, sannan a yi amfani da shi da lye a 35-40 ° C na rabin sa'a. A matse, a murƙushe cellulose, sannan a tsufa da kyau a 35 ° C, don matsakaicin matakin polymerization na zaren alkali da aka samu ya kasance cikin kewayon da ake buƙata. A saka zaren alkali a cikin kettle na etherification, a ƙara propylene oxide da methyl chloride a jere, sannan a tace shi a 50-80 ° C na tsawon awanni 5, kuma matsakaicin matsin lamba shine kusan 1.8 MPa. Sannan a ƙara adadin hydrochloric acid da oxalic acid a cikin ruwan zafi a 90 ° C don wanke kayan don faɗaɗa ƙarar, sannan a busar da shi da centrifuge, sannan a ƙarshe a wanke shi akai-akai zuwa tsaka tsaki. Ana amfani da shi sosai a cikin gini, masana'antar sinadarai, fenti, magani, masana'antar soja da sauran fannoni, bi da bi a matsayin wakilin samar da fim, mai ɗaurewa, mai wargazawa, mai daidaita, mai kauri, da sauransu.
Ana iya amfani da sitaci na Hydroxypropyl ether a matsayin abin haɗawa ga samfuran da aka yi da siminti, samfuran da aka yi da gypsum da kayayyakin calcium na lemun tsami. Yana da kyakkyawan jituwa da sauran kayan haɗin ginin. Idan aka yi amfani da shi tare da hydroxypropyl methylcellulose ether HPMC, yana iya rage yawan hydroxypropyl methylcellulose (galibi ƙara 0.05% na HPS na iya rage yawan HPMC da kusan 20%-30%)), kuma yana iya taka rawa wajen ƙara kauri, don haɓaka tsarin ciki, tare da ingantaccen juriya ga tsagewa da ingantaccen aiki.
Lokacin Saƙo: Afrilu-24-2023