Desmodur RFE/Isocyanates RFE/ CAS 4151-51-3 nrụpụta ọnụahịa

Nkọwa dị mkpirikpi:

Desmodur RFE CAS 4151-51-3 na-eweta ụlọ ọrụ mmepụta ihe


  • Aha ngwaahịa:Tris (4-isocyanatophenyl) thiophosphate
  • CAS:4151-51-3
  • MF:C21H12N3O6PS
  • MW:465.38
  • Njupụta:1.37±0.1 g/cm3 (buru amụma)
  • agwa:emeputa
  • ngwugwu:750 g / karama, 180kg / gbọmgbọm
  • Nkọwa ngwaahịa

    Mkpado ngwaahịa

    Nkọwa ngwaahịa

    Aha ngwaahịa:Tris (4-isocyanatophenyl) thiophosphate
    CAS:4151-51-3
    MF: C21H12N3O6PS
    MW:465.38
    EINECS:223-981-9
    Desmodur RE

    Nkọwapụta

    Ihe nyocha

    Nkọwapụtas

    Nsonaazụ

    Ọdịdị
    Yellow ka ọchịchịrị violet mmiri mmiri
    kwekọrịtara
    Ọnụ ego nke NCO
    7.2± 0.2%
    kwekọrịtara
    Nyocha nke methane
    27±1
    kwekọrịtara
    Viscosity (20 ℃)
    3mPa.s
    kwekọrịtara
    Ihe mgbaze
    Ethyl acetate
    kwekọrịtara
    ebe mgbari
    -4 ℃
    kwekọrịtara
    Mmechi
    kwekọrịtara

    Njirimara ngwaahịa & atụmatụ

    RFE polyisocyanate bụ crosslinker dị irè nke ukwuu maka nrapado dabere na polyurethane, roba eke na roba synthesis. RFE polyisocyanate na-abakwa uru maka ịkwalite nrapado nke ihe ndị dabeere na rọba. Enwere ike iji ya dị ka crosslinker kama Bayer's Desmodur RFE.
    RE 1

    Ojiji

    A ghaghị iji nrapado akụkụ abụọ mee ihe na oge ọdabara mgbe etinyere na RFE.
    Ogologo oge ọdabara abụghị naanị ihe jikọrọ ya na ọdịnaya polymer nke nrapado, kamakwa ihe ndị ọzọ dị mkpa (dịka resin, Antioxygen, plasticizer, mgbaze, wdg).
    Mgbe ọ na-eru nso oge kwesịrị ekwesị, na-abụkarị awa ole na ole ma ọ bụ otu ụbọchị ọrụ, nrapado na-esiwanye ike ịrụ ọrụ, na viscosity na-ebili ngwa ngwa.
    N'ikpeazụ, ọ na-aghọ jelii na-apụghị ịgbagha agbagha. 100 mma nrapado, Hydroxyl polyurethane (Polyurethane akaụntụ maka gburugburu 20%), RFE na-eme 4-7. Chloroprene rubber (akaụntụ rọba maka gburugburu 20%), RFE na-eme 4-7.
    RE 2

    Nkwakọ ngwaahịa

    ngwugwu: 0.75kg / karama, ngụkọta 20 karama n'otu igbe igbe, 180kg / gbọmgbọm, OR dị ka ndị ahịa arịrịọ.
    ngwugwu-RE-11

    Nchekwa

    - Nchekwa na akpa Covestro mechiri emechi.
    - Ọnọdụ nchekwa akwadoro: 10 - 30 Celsius.
    - Chebe site na mmiri, okpomọkụ na ihe mba ọzọ.
    Ozi izugbe: N'oge njem na nchekwa na obere okpomọkụ,nkwụnye ego kristal nwere ike ịmalite.
    Ndị a na-agbaze na ọnụ ụlọ okpomọkụ. Nkengwaahịa na-enwe mmetụta nke ukwuu maka mmiri ma jiri mmiri mee ka ọ bụrụ carbondioxide na urea na-adịghị ike.
    Ya mere, a ga-edobe akpa ndị ahụ nke ọmaakara. Ntinye mmiri n'ụdị ọ bụla (ihe na-ekpo ọkụ, mmiri na-ekpo ọkụihe mgbaze, ooh ikuku) a ga-egbochi ma ọ bụghị otú e guzobere carbondioxide nwere ike ime ka mmụba dị egwu dị na arịa.
    Ngosipụta ikuku na/ma ọ bụ ọkụ na-eme ka nhụsianya dịkwuo elu mana nke a enweghị mmetụta na yaNjirimara nhazi n'ozuzu.

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