3,3′,4,4′-Biphenyltetracarboxylic dianhydride CAS 2420-87-3

CAS:2420-87-3

Qaanuunka molecular:C16H6O6

Miisaanka Molecular:294.22

EINECS:219-342-9

La mid ah:3,3',4,4'-Biphenyltetracarboxylic dianhydride 97%; 4,4'-Biphthalic Anhydride (oo lagu nadiifiyo sublimation); 3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride(s-BPDA); S-BDPA; S-BPDA; [5,5'-biisobenzofuran] -1,1',3,3'-tetrone; [5,5'-Biisobenzofuran] -1,1',3,3'-tetrone; 5,5'-Biisobenzofuran-1,1',3,3'-tetrone

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Waa maxay 3,3',4,4'-Biphenyltetracarboxylic dianhydride CAS 2420-87-3?

3,3 ', 4,4' - Biphenyltetracarboxylic dianhydride waa maaddo monomer ah oo muhiim ah oo polyimide ah oo leh codsiyo ballaaran oo isku dhafan oo heerkul sare leh oo u adkaysta walxaha polyimide. Loo isticmaalo soo saarista alaabada polyimide iyo agabkooda isku dhafan, dhexdhexaadiyeyaasha dawooyinka

Tilmaamid

Shayga	Tilmaamid
Barta karkarinta	614.9±48.0 °C (La saadaaliyay)
Cufnaanta	1.625±0.06 g/cm3 (La saadaaliyay)
barta dhalaalaysa	299-305 °C (Iftiin)
ugu badnaan	300nm ( shid)
daahirnimo	99%
Xaaladaha kaydinta	Jawi aan firfircoonayn, Heer kulka qolka

Codsiga

3,3 ', 4,4' - Biphenyltetracarboxylic dianhydride waxaa loo isticmaalaa in lagu soo saaro alaabada polyimide iyo agabkooda isku dhafan, dhexdhexaadiyeyaasha dawooyinka, monomers polyimide, iyo in lagu soo saaro qalab cusub oo polymer ah sida resins iyo filimada PI.