Kwanan Wata:11,Feb,2022

Sulfonatedmelamineformaldehyderaddininake magana da shimelamine resin, kuma aka sani damelamine formaldehyde resinkomelamine resin. Yana da muhimmin fili na zoben triazine.Melamine resinyana da kyakkyawan juriya na ruwa, juriya na tsufa, ƙarfin wuta, juriya mai zafi, juriya na sinadarai da kaddarorin rufewa, kuma ana iya amfani da su wajen kera mahaɗan gyare-gyare (nau'in tebur na yau da kullun da na'urorin lantarki), bangarorin katako (plywood, laminate bene da laminated filastik). alluna)) da kuma filastik kumfa, da sauransu. Bugu da ƙari, melamine resinHar ila yau, ana amfani da shi sosai a matsayin sutura, mannen katako, ma'aikatan haɗin gwiwar fenti, kayan aikin gamawa na fiber fiber, ma'aikatan ƙarfin jika na takarda da kuma rage ruwa na siminti.

Melamine resinyana da manyan aikace-aikace masu zuwa:

1. Aikace-aikace a masana'antar fata:

A harkar fata,melamine resinshi ne wanda aka saba amfani da shi kafin tanning, retanning da resin ciko, daga cikinsu akwai trimethylolmelamine resinshine guzurin amino wanda aka fi amfani dashi. Amino resin yana da tsarin tanning mai kama da na aldehyde tanning: prepolymer ya shiga cikin fata, kuma yayin da ƙimar pH ta ragu, prepolymer ta atomatik ta shiga cikin kwayar halitta tare da takamaiman girman fata, da aiki - NHCH 2 OH da collagen a cikin kwayoyin suna wucewa ta hanyar. Ƙungiyoyin amino da ke kan sarkar peptide an murƙushe su don samar da tsarin haɗin gwiwar haɗin gwiwa don cimma manufar fata. A lokaci guda, resin amino yana da tasirin cikawa. Braum, Aloysins da sauransu sun yi amfani da GPS, IR, 1H-NMR, 13C-NMR da sauran hanyoyin ganowa, kuma sun gano cewa wannan resin yana da abubuwan tanning da kayan cikawa, kuma ana iya cika shi da yawa tsakanin fibers collagen na fata zuwa sanya jikin fata ya yi yawa. Tasiri.Melamine resinAna amfani da wakili na tanning a cikin retanning na chrome-tanned haske fata don sa ƙãre fata m hatsi, cike da kasusuwa, a fili thickening, mai kyau fari sakamako da kyau haske sauri. Kuma yana da kyau dacewa da sauran tanning jamiái. An yi amfani da shi tare da ma'aikatan tanning kayan lambu, yana iya inganta shiga da kuma sha na kayan lambu na kayan lambu, da kuma ƙara yawan juriya da juriya na fata. Idan aka yi amfani da shi don retanning na fata, tasirin haɓaka yana da kyau.

2. Aikace-aikace a masana'antar takarda:

Ka'ida da halayen aiki na yin amfani da shi azaman wakili mai ƙarfafa rigar da mai hana ruwa. Domin damelamine formaldehyde resinya ƙunshi methylol, zai iya samar da wani etherified tsarin tsakanin fiber daure. Wannan haɗin kai tsakanin kwayoyin halitta daban-daban yana haifar da juriya na ruwa kuma yana yin takardar takarda. Don cimma sakamako na moisturizing ƙarfi, shi ne yafi amfani a matsayin rigar ƙarfafa wakili da kuma ruwa mai hana ruwa a cikin takarda masana'antu. Ana amfani da Trimethylol melamine mafi yawa a cikin masana'antar takarda, amma saboda kwanciyar hankali, solubility na ruwa da abun ciki na formaldehyde kyauta ba su da kyau, kuma yana da mummunar tasiri akan fata da dorewa na takarda, melamine da aka gyara yana amfani da shi sosai a halin yanzu. guduro.

3. An yi amfani da shi azaman mai rarraba yumbu da siminti:

Melamine formaldehyde resinsulfonate ne mai kyau anionic surfactant tare da surface aiki da sauran m Properties. Yawancin lokaci ana amfani da shi azaman babban tarwatsawa ko mai rage ruwa a cikin yumbu, siminti da siminti a gida da waje. Hanyar aikinta shine yafi: irin wannan nau'in wakili na rage ruwa yana da ayyuka na adsorption, watsawa da lubrication, don haka za'a iya inganta aikin kankare ta hanyar amfani da ruwa kadan, don cimma manufar rage ruwa. Sakamakon raguwar hadawar ruwa, ramukan da ke cikin siminti ya ragu, yana sa simintin ya yi yawa kuma yana ƙara ƙarfi, wanda kuma zai iya rage yawan siminti. Saboda shigar da wakili na rage ruwa, haɓakar samfuran hydration na siminti yana da jinkirin, kuma tsarin hanyar sadarwa na sulfonated ya fi yawa, wanda ke da fa'ida don haɓaka ƙarfin siminti na dogon lokaci.

4. Ana amfani da shi azaman mannen itace:

A cikin masana'antar itace,sulfonatedmelamineformaldehyderaddiningalibi ana amfani da su azaman adhesives. Saboda yawan aikin sinadarai, idan ya shiga cikin kayayyakin itace, saurin ƙetare da taurinsa yana da sauri, kuma ana iya taurare shi da zafin jiki ko taurare a cikin ɗaki ba tare da wasu na'urori masu tauri ba, ta haka ne zai haifar da tasirin haɗin gwiwa. Saboda kyakkyawan kwanciyar hankali na thermal, juriya na ruwa da juriya na sinadarai, ana amfani dashi sosai a cikin bangarori na katako, katako, gini, marufi na takarda da sauran filayen. Manufar wannan filin ita ce yadda za a shawo kan lamarin da kuma samunmelamine formaldehyde resintare da matsakaicin sassauci. Magani na yanzu shine ƙara polyvinyl barasa, saboda zai iya amsawa tare da formaldehyde don samar da polyvinyl acetal, wanda aka rarraba a ko'ina a cikin resin, don toshe kwayoyin heterocyclic na nitrogen guda uku a cikin kwayoyin resin MF daga gabatowa, yin tasiri mai karfi hana fasa.

5. An yi amfani da shi azaman bugu na masana'anta da mai karewa wakili:

A cikin masana'antar saka.sulfonatedmelamineformaldehyderaddininkuma abubuwan da suka samo asali ne masu mahimmancin kayan aiki don shirye-shiryen bugu na masana'anta, rini da kuma ƙarewa. Hanyar aikinta shine yafi amfani dashi azaman mai gyara ƙasa da wakili mai haɗaɗɗiya don yadudduka, ta haka yana haɓaka haɓakar ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙazanta, kaddarorin wankin ruwa da kaddarorin auduga. Duk da haka, saboda rashin kwanciyar hankali na ajiya, rashin jin daɗin hannu da sauƙi na chlorine da launin rawaya na masana'anta bayan aikace-aikacen, an ƙara ƙarin bincike kan gyara shi. A halin yanzu, methanol ya ragemelamine resinAna amfani da su, kuma ana ƙara masu gyara formaldehyde kamar cyclic vinylidene urea da borax don samun gyara.melamine formaldehyde resinKammala wakili tare da ultra-low aldehyde da babban kwanciyar hankali. Ana amfani da resin ɗin da aka gyara don maganin ƙanƙan da kai da kuma rigakafin ƙyalli na bleached poplin Kammala, rawaya da asarar chlorine suna inganta, kuma juriya na wankewa ya fi kyau. Bugu da ƙari, lokacin ajiya na wakili na ƙarshe shine 210-365 d, abun ciki na formaldehyde kyauta shine 0.3%, kuma ingantaccen abun ciki shine kusan 40%.