Nọmba ọnụọgụgụ: 89-32-7 PMDA Pyromeltic dianhydride
Okwu mmeghe dị mkpirikpi
Pyromellic dianhydride (PMDA), ngwaahịa dị ọcha bụ kristal ọcha ma ọ bụ nke na-acha odo odo. A na-ekpughe ya na ikuku mmiri ga-amịkọrọ mmiri site na ikuku ngwa ngwa ma mee ka ọ ghọọ Pyromellic Acid. A na-agbaze ya na dimethyl sulfoxide, dimethylformamide, acetone na ihe ndị ọzọ na-agbaze organic, nke na-anaghị agbaze na ether, chloroform na benzene. A na-ejikarị ya eme ihe dị ka ihe eji emepụta polyimide, na ihe na-ejikọta ihe maka imepụta ihe na-agwọ epoxy na mkpochapụ resin polyester.
A na-ejikarị Pyromellitic acid (PMA), nke a makwaara dị ka 1,2,4,5-benzenetetracarboxylicacid, kristal ntụ ntụ ọcha ruo odo odo, eme ihe na mmepụta nke polyimide, octyl pyromelliate, wdg, bụ isi ihe eji emepụta ihe na-agwọ matting.
| IHE | PMDA | PMA |
| Ịdị ọcha wt% | 99.5% | 99% |
| Acetone PPM fọdụrụnụ | 1500 | / |
| Ebe agbaze | 284~288 | / |
| Agba | Ọcha ruo odo odo | Ọcha |
| Asịd efu wt% | 0.5 | / |
| Nha nke ihe ndị dị ndụ | Dabere na mkpa ndị ahịa | Dabere na mkpa ndị ahịa |
Biko kpọtụrụ anyị ka anyị nweta COA na MSDS. Daalụ.
