labarai

Kwanan Wata: 24, Afrilu, 2023
Sodium lignosulfonateshi ne na halitta polymer. Samfura ce ta samar da ɓangaren litattafan almara, wanda shine polymer na 4-hydroxy-3-methoxybenzene. Yana da ƙarfi dispersibility. Saboda ma'auni daban-daban na kwayoyin halitta da ƙungiyoyi masu aiki, yana da digiri daban-daban na rarrabawa. Yana da wani surface aiki abu da za a iya adsorbed a saman daban-daban m barbashi da kuma iya gudanar da karfe ion musayar. Har ila yau, yana da ƙungiyoyi masu aiki daban-daban a cikin tsarinsa, don haka zai iya samar da condensation ko hydrogen bonding tare da wasu mahadi.
Saboda tsarinsa na musamman.sodium lignosulfonateyana da kaddarorin physicochemical surface kamar watsawa, emulsification, solubilization da adsorption. Ana amfani da samfuran da aka gyara su azaman surfactant mai gina jiki na ma'adinai, kuma tsarin samarwa ya girma.

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Ka'idar aikace-aikacensodium lignosulfonate:
Adadin sarƙoƙin carbon ya bambanta sosai bisa ga nau'ikan kayan da aka samo daga lignin. Wasu sun dace da samar da taki, wasu kuma sun dace da abubuwan da ake ƙara kashe kwari. Ya ƙunshi nau'ikan ayyuka masu aiki, dispersibility da chelation, waɗanda suke da sauƙin haɗawa tare da abubuwa na ƙarfe don samar da yanayin chelate, inganta yanayin jiki da sinadarai na abubuwan gina jiki na ƙarfe, adana farashi da haɓaka inganci. Abubuwan haɓakawa da saurin sakin kayan lignin na iya inganta ingancin takin sinadari kuma ya sa ya saki a hankali. Abu ne mai kyau na sannu-sannu don samar da takin gargajiya. Lignin wani nau'in fili ne na polycyclic macromolecular Organic fili mai ƙunshe da ƙungiyoyi mara kyau, waɗanda ke da alaƙa mai ƙarfi ga ion ƙarfe masu ƙarfi a cikin ƙasa.
Sodium lignosulfonateHakanan za'a iya amfani dashi don sarrafa magungunan kashe qwari. Lignin yana da ƙayyadaddun yanki na musamman kuma yana ƙunshe da ƙungiyoyi masu aiki iri-iri, waɗanda za a iya amfani da su azaman wakili na jinkirin sakin magungunan kashe qwari.
Akwai bambance-bambance a cikin tsari tsakanin lignin a cikin tsire-tsire da lignin bayan rabuwa. Sabuwar bangon tantanin halitta na rabon tantanin halitta yana da bakin ciki kuma yana da wadata a cikin polysaccharides na acidic kamar pectin, wanda a hankali yana haifar da cellulose da hemicellulose. Kwayoyin sun bambanta cikin sel xylem daban-daban (filayen itace, tracheids da tasoshin, da sauransu). Lokacin da Layer S1 na bangon sakandare ya kasance, lignin yana farawa daga sasanninta na bangon farko. Wannan al'amari galibi ana kiransa lignification. Tare da balaga na nama na shuka, lignification yana tasowa zuwa layin intercellular, bango na farko da bango na sakandare. Ana ajiye Lignin a hankali a ciki da tsakanin bangon tantanin halitta, yana ɗaure sel da sel tare. A lokacin lignification na tsire-tsire bangon sel, lignin yana shiga cikin bangon tantanin halitta, yana haɓaka taurin bangon tantanin halitta, yana haɓaka samuwar kyallen takarda, da haɓaka ƙarfin injina da ƙarfin ɗaukar nauyi na ƙwayoyin shuka da kyallen takarda; Lignin yana sanya bangon tantanin halitta hydrophobic kuma yana sa ƙwayoyin shuka su zama marasa ƙarfi, suna ba da garanti mai dogaro ga jigilar ruwa mai nisa, ma'adanai da abubuwan halitta a cikin jikin shuka; Kutsawar lignin a cikin bangon tantanin halitta kuma da gaske yana haifar da shinge na jiki, yadda ya kamata ya hana mamaye nau'ikan cututtukan shuka iri-iri; Yana hana kwayoyin halittar da ke cikin xylem fitar da ruwa, kuma a lokaci guda yana ba da damar tsire-tsire na ƙasa su rayu a cikin yanayin bushewa, wanda ke haɓaka juriya na cututtukan shuka. Lignin yana taka rawa wajen daure cellulose, hemicellulose da inorganic salts (yafi silicate) a cikin tsirrai.
Abubuwan da ke shafar lalata lignin sun haɗa da pH na ƙasa, danshi da yanayin yanayi. Sauran abubuwan, irin su samuwar nitrogen da ma'adinan ƙasa, suma suna da tasiri. Tallace-tallacen Fe da Al oxides akan lignin na iya rage bazuwar lignin.


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  • Lokacin aikawa: Afrilu-24-2023