Sinadaran hade-haɗe suna taka muhimmiyar rawa wajen inganta aikin gina turmi mai hade-haɗe. Mai zuwa yana yin nazari da kwatanta halayen asali na foda na latexr da cellulose, sannan yana yin nazari kan aikin samfuran turmi mai hade-haɗe ta amfani da kayan hade-haɗe.
Foda mai latex mai sake wargazawa
Ana sarrafa foda mai cirewa ta hanyar feshi na musamman na emulsion na polymer. Busasshen foda na latexr wasu ƙwayoyin halitta ne masu siffar ƙwallo na 80 ~ 100mm da aka haɗa su wuri ɗaya. Waɗannan ƙwayoyin suna narkewa a cikin ruwa kuma suna samar da warwatse mai ƙarfi fiye da ƙwayoyin emulsion na asali, waɗanda ke samar da fim bayan bushewa da bushewa.
Matakan gyare-gyare daban-daban suna sa foda latex mai sake raguwa yana da halaye daban-daban kamar juriyar ruwa, juriyar alkali, juriyar yanayi da sassauci. Foda latexr da ake amfani da shi a cikin turmi na iya inganta juriyar tasiri, dorewa, juriyar lalacewa, sauƙin gini, ƙarfin haɗuwa da haɗin kai, juriyar yanayi, juriyar daskarewa da narkewa, hana ruwa, ƙarfin lanƙwasa da ƙarfin lanƙwasa na turmi.
Cellulose ether
Cellulose ether kalma ce ta gabaɗaya ga jerin samfuran da aka samar ta hanyar amsawar alkali cellulose da wakilin etherifying a ƙarƙashin wasu yanayi. Ana maye gurbin Alkali cellulose da wakilai daban-daban na etherifying don samun ethers cellulose daban-daban. Dangane da halayen ionization na masu maye gurbin, ana iya raba ethers cellulose zuwa rukuni biyu: ionic (kamar carboxymethyl cellulose) da non-ionic (kamar methyl cellulose). Dangane da nau'in maye gurbin, ana iya raba cellulose ether zuwa monoether (kamar methyl cellulose) da gauraye ether (kamar hydroxypropyl methyl cellulose). Dangane da narkewa daban-daban, ana iya raba shi zuwa mai narkewa a ruwa (kamar hydroxyethyl cellulose) da kuma mai narkewa a cikin kwayoyin halitta (kamar ethyl cellulose), da sauransu. Turmi mai gauraya busasshe galibi shine cellulose mai narkewa a ruwa, kuma cellulose mai narkewa a ruwa an raba shi zuwa nau'in nan take da nau'in da aka yi wa magani a saman.
Tsarin aikin cellulose ether a cikin turmi shine kamar haka:
(1) Bayan an narkar da cellulose ether a cikin turmi a cikin ruwa, za a tabbatar da ingantaccen rarraba kayan siminti a cikin tsarin saboda aikin saman, kuma cellulose ether, a matsayin colloid mai kariya, yana "naɗe" ƙwayoyin da ke da ƙarfi kuma an samar da wani Layer na fim mai shafawa a saman waje, wanda ke sa tsarin turmi ya fi karko, kuma yana inganta ruwan turmi yayin aikin haɗawa da santsi na gini.
(2) Saboda tsarin kwayoyin halittarsa, ruwan cellulose ether yana sa ruwan da ke cikin turmi ya yi kasa a rasa shi, kuma a hankali yana sake shi tsawon lokaci, yana ba turmi damar riƙe ruwa da kuma aiki yadda ya kamata.
zaren itace
Ana yin zare na itace ne daga tsire-tsire a matsayin babban kayan da ake amfani da shi kuma ana sarrafa shi ta hanyar fasahar zamani, kuma aikinsa ya bambanta da na cellulose ether. Manyan kaddarorin sune:
(1) Ba ya narkewa a cikin ruwa da sauran sinadarai, kuma ba ya narkewa a cikin ruwan acid mai rauni da ruwan tushe mai rauni
(2) A shafa shi a turmi, zai yi karo da tsari mai girma uku a cikin yanayin da ba ya canzawa, yana ƙara juriyar turmi da sag, kuma yana inganta iya ginawa.
(3) Saboda tsarin zaren katako mai girma uku, yana da ikon "kulle ruwa" a cikin turmi mai gauraya, kuma ruwan da ke cikin turmi ba zai sha ko cire shi cikin sauƙi ba. Amma ba shi da yawan riƙe ruwa na cellulose ether.
(4) Kyakkyawan tasirin zaren katako yana da aikin "gudanar da ruwa" a cikin turmi, wanda ke sa saman da danshi na ciki na turmi su kasance iri ɗaya, ta haka ne ke rage tsagewar da raguwar da ba ta daidaita ba ke haifarwa.
(5) Zaren itace zai iya rage matsin lamba na turmi mai tauri da kuma rage raguwa da fashewar turmi.
Lokacin Saƙo: Maris-10-2023