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1,8-diazabicyclo[5.4.0]undec-7-ene Cas# 6674-22-2 DBU Foto a na-egosi
  • 1,8-diazabicyclo[5.4.0]undec-7-ene Cas# 6674-22-2 DBU
  • 1,8-diazabicyclo[5.4.0]undec-7-ene Cas# 6674-22-2 DBU
  • 1,8-diazabicyclo[5.4.0]undec-7-ene Cas# 6674-22-2 DBU

1,8-diazabicyclo[5.4.0]undec-7-ene Cas# 6674-22-2 DBU

  • Ọkwa MOFAN:MOFAN DBU
  • Akara asọmpi:DBU; RC Catalyst 6180,DBU
  • Aha kemịkalụ:"1,8-diazabicyclo[5.4.0]undec-7-ene"; 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine
  • Nọmba ekwentị:6674-22-2
  • Mkpụrụ ndụ ihe nketa:C9H16N2
  • Ibu molekụla:152.237

    • Nkọwa Ngwaahịa

    Akara Ngwaahịa

    Nkọwa

    MOFAN DBU bụ amine tertiary nke na-akwalite mmeghachi omume urethane (polyol-isocyanate) nke ukwuu na ụfụfụ microcellular semi-flexible, yana na mkpuchi, gluu, ihe mkpuchi na elastomer. Ọ na-egosipụta ikike gelation siri ike nke ukwuu, na-enye obere isi ma ejiri ya mee ihe na usoro nwere aliphatic isocyanates ebe ha chọrọ ihe mkpali siri ike nke ukwuu n'ihi na ha anaghị arụ ọrụ karịa aromatic isocyanates.

    Ngwa

    MOFAN DBU dị na ụfụfụ microcellular nke ọkara-agbanwe agbanwe, yana na mkpuchi, gluu, ihe mkpuchi na ngwa elastomer

    MOFAN DBU3
    MOFAN DMAEE03
    MOFAN DMDEE4

    Njirimara Ndị A Na-ahụkarị

    Ọdịdị Mmiri mmiri doro anya na-enweghị agba
    Ebe Mkpọtụ (TCC) 111°C
    Ike ndọda kpọmkwem (Mmiri = 1) 1.019
    Isi Mmiri 259.8°C

    Nkọwapụta azụmahịa

    Ọdịdị, 25℃ Mmiri mmiri na-enweghị agba
    Ọdịnaya % Nkeji 98.00
    Ọdịnaya mmiri % 0.50 kachasị

    Ngwugwu

    25kg ma ọ bụ 200 kg / drum ma ọ bụ dịka mkpa ndị ahịa si dị.

    Nkwupụta ihe egwu

    H301: Nsí ma ọ bụrụ na a loo ya.

    H314: Na-akpata oke ọkụ akpụkpọ ahụ na mmebi anya.

    Ihe ndị e ji mee akara

    2
    3

    Foto ndị a na-egosi

    Okwu mgbaàmà Ihe egwu
    Nọmba UN 2922
    Klas 8+6.1
    Aha na nkọwa mbupu kwesịrị ekwesị Mmiri na-ere ere, nke na-egbu egbu, NOS (1,8-Diazabicyclo[5.4.0]undec-7-ene)

    Njikwa na nchekwa

    Ihe ndị a ga-eme iji chekwaa nchekwa ahụ
    Hụ na e nwere ikuku zuru oke n'ụlọ ahịa na ebe ọrụ. Jisie ya ike dịka ezi omume ịdị ọcha na nchekwa ụlọ ọrụ si dị. Mgbe ị na-eji ya, erila ihe, aṅụla ihe ọṅụṅụ ma ọ bụ anwụrụ ọkụ. A ga-asa aka na/ma ọ bụ ihu tupu ezumike na mgbe ọrụ ahụ gasịrị.

    Nchedo megide ọkụ na mgbawa
    Gbochie chaja elektrọnik - e kwesịrị idobe ebe ọkụ na-esi apụta nke ọma - ihe mgbanyụ ọkụ kwesịrị ịdị n'aka.

    Ọnọdụ maka nchekwa nchekwa, gụnyere enweghị nkwekọ ọ bụla
    Kewaa site na ihe ndị na-emepụta asịd na asịd.
    Ozi ndị ọzọ gbasara ọnọdụ nchekwa: Debe akpa ahụ nke ọma n'ebe dị jụụ ma ikuku na-abata nke ọma.

    Ajụjụ Ndị A Na-ajụkarị

    Achọrọ m ihe na-akpali akpali nke ukwuu maka itinye CO2 n'ime carbonates cyclic. DBU ọ dị mma?

    Ee, DBU bụ otu n'ime ntọala kachasị ike na-abụghị nke nucleophilic, nke zuru oke maka ịgbalite CO2 na epoxides.

    Elastomer polyurethane m anaghị akwụsi ike nke ọma. DBU ọ̀ ga-enyere aka?

    Mba, DBU ga-akwalite hydrolysis; jiri tin ma ọ bụ zinc catalyst kama.

    Kedu ka esi eji DBU eme ihe dị ka ihe na-akpali trimerization maka ụfụfụ PIR dị elu?

    Tinye 0.3–0.8 phr DBU yana ihe na-akpali potassium iji nweta oke ọdịnaya isocyanurate (>30%).

    DBU ọ na-agbaze n'ime polyether polyols nkịtị?

    Ee, a na-agbanwe ya na ọtụtụ polyols ma ọ chọghị njikwa pụrụ iche.

    Sistemụ epoxy-amine m nwere oge ọgwụgwọ dị ogologo karịa na okpomọkụ gburugburu ebe obibi. DBU ọ nwere ike ime ka ọ dịkwuo ngwa ngwa?

    Ee, DBU bụ ihe na-eme ka ọ dị ngwa ngwa; jiri 0.1–0.5 phr belata oge ịtụrụ ime na oge ịgwọ ya nke ukwuu.

    DBU ọ na-akpata mgbanwe agba na polyurethane doro anya?

    Ọ nwere ike ibute odo odo ka oge na-aga n'ihi ike ya siri ike; zere iji ya mee ihe n'ụzọ doro anya.

    Enwere ike iji DBU mee ka mmeghachi omume nke isocyanate na mmanya na-aba n'anya dị ala?

    Ee, ọ na-arụ ọrụ ọbụna n'okpuru 0°C, nke na-eme ka ọ baa uru maka sistemụ PU nke oge oyi.

    Kedu ihe bụ ọkwa ojiji nkịtị nke DBU na sistemụ nkedo polyurethane maka akụkụ buru ibu?

    0.05–0.15 phr iji zere oke exotherm; jikọta ya na ihe na-akpalite gel mgbe niile iji mee ka ọ dị nguzozi.

    Onye ahịa m chọrọ ihe na-akpali akpali nke na-enweghị tin ma ọ bụ mercury ọ bụla. DBU ọ bụ ezigbo ihe ọzọ?

    Ee, DBU bụ ihe na-akpali akpali nke na-enweghị ígwè, nke dị mma maka iji ọgwụ na nri eme ihe mgbe ewepụchara ya nke ọma.

    Kedu ka m ga-esi ejikwa DBU iji zere iwe akpụkpọ ahụ?

    Jiri aka uwe na enyo anya; DBU na-emebi emebi. Jiri acetic acid dị nro wepụ ihe ndị na-awụpụ n'ahụ.

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