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

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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

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.

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.

Nkwakọ ngwaahịa

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

Nchekwa

- Nchekwa na akpa Covestro mechiri emechi.

- Ọnọdụ nchekwa akwadoro: 10 - 30 Celsius.

- Chebe mmiri, okpomọkụ na ihe ndị 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.

Nke gara aga: Desmodur RE/Methylidynetri-p-phenylene triisocyanate/CAS 2422-91-5 ndị na-ebupụta ihe.

Osote: 3,4′-Oxydianiline CAS 2657-87-6 nrụpụta ọnụahịa