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    Maleic Anhydride-1

    Maleic anhydride (CAS No.: 108-31-6) waa anhydride dabiici ah oo aan dheregsanayn oo muhiim ah oo leh qaacido kiimiko ah oo ah C₄H₂O₃. Waxay u muuqataa jajabyo crystalline ah oo cad ama huruud khafiif ah oo leh ur udgoon, falcelin sare, iyo iswaafajin aad u fiican oo leh monomers iyo kiimikooyin kala duwan. Maadaama ay tahay walax kiimiko dabiici ah oo kala duwan, waxaa si weyn loogu isticmaalaa polymers-ka, dahaarka, daawooyinka, beeraha, iyo warshadaha saliidda iyo gaaska, taasoo bixisa waxqabad deggan iyo tayo la isku halleyn karo oo wax soo saarka warshadaha ah.

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      Dulmar Guud oo ku saabsan Badeecada

      Maleic anhydride (CAS No.: 108-31-6) waa anhydride dabiici ah oo aan dheregsanayn oo muhiim ah oo leh qaacido kiimiko ah oo ah C.₄H₂THE₃Waxay u muuqataa sida jajabyo cad ama huruud khafiif ah oo crystalline ah oo leh ur udgoon, falcelin sare, iyo iswaafajin aad u fiican oo leh monomers iyo kiimikooyin kala duwan. Iyada oo ah walax kiimiko dabiici ah oo kala duwan, waxaa si weyn loogu isticmaalaa polymers-ka, dahaarka, daawooyinka, beeraha, iyo warshadaha saliidda iyo gaaska, taasoo bixisa waxqabad deggan iyo tayo la isku halleyn karo oo wax soo saarka warshadaha ah.​

      Adeegsiga iyo Isticmaalka

      Kala duwanaanta Maleic Anhydride waxay horseed u tahay isticmaalkeeda warshado badan:

      Resins Polyester ah oo aan dheregsanayn (UPR)

      Codsiga Aasaasiga ah: In ka badan 50% wax soo saarka MA ee adduunka ayaa loo isticmaalaa UPR-yada.

      Badeecadaha Isticmaalka Ugu Dambeeya: Balaastikada lagu xoojiyay Fiberglass-ka, taangiyada, tuubooyinka, qaybaha baabuurta, qolofka doonyaha, iyo looxyada dhismaha.

      Copolymers-ka

      Waxyaabaha lagu daro Saliidda Saliidda: Waxaa loo isticmaalaa qayb ka mid ah copolymers-ka kuwaas oo u shaqeeya sida hagaajiya tusmada viscosity iyo kala firdhiyaha.

      Dahaadhka Dusha Sare: Waa walxo ceeriin ah oo loogu talagalay resins-ka alkyd ee loo isticmaalo rinjiyeynta iyo dahaarka warshadaha ee tayada sare leh.

      Kiimikooyinka Beeraha

      Dhexdhexaad: Waxaa loo isticmaalaa isku-darka sunta cayayaanka, sunta cayayaanka disha (tusaale ahaan, Malathion), iyo nidaamiyayaasha koritaanka dhirta.

      Waxyaabaha lagu daro Cuntada

      Asiidhka Fumaric iyo Malic: Asiidhka Maleic waa mid ka mid ah asiidhyada aan sunta ahayn, oo loo isticmaalo asiidhyo ahaan cabitaannada iyo cuntooyinka.

      Codsiyada Kale

      Cabbirka Warqadda: Waxaa loo isticmaalaa soo saarista alkyl ketene dimer (AKD), oo ah wakiil cabbir caadi ah oo loogu talagalay warqadda.

      Tetrahydrofuran (THF) / Gamma-Butyrolactone (GBL): Cis-Butenedioic Anhydride waa waddo muhiim u ah soo saarista dareerayaashan qiimaha leh.

      Succinic Anhydride: Si fudud ayaa loogu beddelaa succinic anhydride si loogu sameeyo kiimikooyin kala duwan.

      Tilmaamaha Farsamada

      Shay Faahfaahinta
      Muuqaalka Jabballo cad ama huruud khafiif ah, oo aan lahayn wax wasakh ah oo muuqda
      Nadiifnimo (GC) ≥ 99.5%
      Barta Dhalmada 52.5 - 54.5 °C
      Barta Karkarinta 202 °C
      Qoyaanka ku jira ≤ 0.2%
      Waxyaabaha Dambaska ah ≤ 0.01 %
      Midab (APHA) ≤ 50

      Faa'iidooyinka Badeecada

      2 5-Furandine Nadiif Sare: Nadiif ≥ 99.5% waxay hubisaa waxqabadka falcelinta xasilloon waxayna yareysaa wax soo saarka ka soo baxa wax soo saarka hoose.
      Tayada Joogtada ah: Xakamaynta tayada adag inta lagu jiro habka wax soo saarka (laga bilaabo xulashada alaabta ceeriin ilaa kormeerka badeecadaha la dhammeeyay) waxay hubinaysaa isku dheelitirnaanta dufcad ilaa dufcad.
      Falcelin Aad u Fiican: Falcelin sare oo leh diols, amiins, iyo monomers waxay suurtogal ka dhigaysaa isku-darka wax soo saarka hoose.
      Waxsoosaarka Deegaanka u Fiican: Waxay qaadataa tiknoolajiyad wax soo saar oo horumarsan iyadoo la isticmaalayo tamar yar iyo qashin yar, iyadoo la raacayo heerarka caalamiga ah ee deegaanka.
       

      Kaydinta iyo Baakaynta Aashitada Maleic Anhydride

      Baakad: 25kg miisaan saafi ah bac kasta oo warqad ah oo Kraft ah (oo leh dahaarka gudaha ee polyethylene) ama bacaha waaweyn ee 1000kg, oo ku habboon gaadiidka badda iyo dhulka.
      Kaydinta: Ku kaydi bakhaar qabow, qalalan, hawo fiican leh, meel ka fog ilaha kulaylka, ololka furan, iyo oksaydhiyeyaasha xooggan. Ka fogow nuugista qoyaanka (waxay u rogi kartaa aashitada maleic) iyo iftiinka qorraxda tooska ah. Muddada kaydinta: 12 bilood xaaladaha kaydinta habboon.
       

      Badbaadada iyo Maareynta Cis-Butenedioic Anhydride

      Ilaalinta Shaqsiga: Xiro galoofisyo, muraayadaha indhaha, iyo maaskaro boodhka u adkaysta marka aad taabanayso. Ka fogow taabashada tooska ah ee maqaarka, indhaha, iyo marinnada neefsashada.
      Gargaarka Degdegga ah: Haddii maqaarku taabto, isla markiiba ku raaci biyo badan muddo 15 daqiiqo ah; haddii ay indhaha isku taabtaan, ku raaci biyo oo raadso daryeel caafimaad. Haddii aad neefsato, u gudub hawo nadiif ah oo la tasho dhakhtar.
      Maareynta Daadinta: Ku nuug walxaha daatay walxaha aan firfircoonayn (tusaale ahaan, ciid, vermiculite), ku ururi weelal xiran, oo ku tuur sida waafaqsan xeerarka deegaanka ee maxalliga ah. Ha ku shubin ilaha biyaha ama ciidda.
       

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