BTDA 2421-28-5
Magaca Waxsoosaarka: 3,3 ', 4,4-Benzophenoyetterecacacacacacacacacacacacacacacacacacorxylicyride dianhydride btda CAS: 2421-28-5 MF: c17h6o7 MW: 322.23 Einecs: 219-348-1 Meel dhalaalaya: 218-222 ° C (iftiin) Point Point: 320 ° C 5mm Cufnaanta: 1,57 g / cm3 Cufnaanta uumiga: 1.4 (vs hawada) Cadaadiska uumiga: <0.1 mm hg (0 ° C) Tusmada Kala-galka ah: 1.6380 (Qiyaas) FP: 324 ° C BRN: 761777
1.BTDA waa muhiim oo ah MonoMer of Polyide, waxaana loo adeegsaday wax soo saarka qalabka polbaride. 2.Loo adeegsaday isku-darka polyimides. 3.BTDA Polymer Powery Powdy Powdy Powder oo ku habboon ujeeddooyinka guud. BTDA microfine budada miraha micronianies-ka ayaa fududeysa isku darista dhajinta dhagaxa dhalada. BTDA Ultrupre-ka-sareeya, oo ah budo sare-u-sareeya oo loogu talagalay synthesis-ka polyaamimide ee halista ah.
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