Pyromeltic Dianhydride Tare da CAS 89-32-7
Pyromellitic dianhydride (wanda aka taƙaita shi azaman PMDA), wanda galibi ana amfani da shi don haɗa polyimide, saboda polyimide yana da kyakkyawan juriya ga zafi mai yawa, juriyar acid da alkali, mai kyau Saboda halayen injiniya, halayen lantarki da kwanciyar hankali, ana amfani da shi sosai a fannoni na fasaha kamar su jirgin sama, sararin samaniya, microelectronics da makamashin atomic, waɗanda ke da tsauraran buƙatu kan halayen abu.
| Abu | Daidaitacce |
| Bayyanar | Fararen lu'ulu'u ne |
| Mwurin elting | 286℃-288℃ |
| Gasar free acid | ≤0.5wt% |
| TSAFTA(%) | ≥99.5% |
Pyromellitic dianhydride (PMDA) muhimmin abu ne na albarkatun ƙasa a masana'antar haɗakar halittu, haka kuma kayan asali ne na haɓaka sabbin kayan sinadarai da samfuran sinadarai masu inganci. Ana amfani da shi galibi don samar da monomers na polyimide, kuma ana iya amfani da shi azaman wakili mai warkarwa don resin epoxy da wakilin haɗin gwiwa don resin polyester, wanda ake amfani da shi wajen ƙera fenti mai launin shuɗi na phthalocyanine da wasu mahimman abubuwan da aka samo asali, da sauransu, kuma yana da amfani iri-iri. Pyromellitic dianhydride, wanda aka fi sani da homoanhydride, yana da tsarin kwayoyin halitta na musamman kuma ana iya amfani da shi don ƙera kayan da ke da juriya ga zafi, rufin lantarki da juriya ga sinadarai, daga cikinsu mafi mahimmancin amfani shine azaman monolayer na polyimide. An haɗa shi da diamine mai ƙanshi don samun filastik polyimide, amma tsarkin pyromellitic dianhydride yana da yawa sosai, wanda ke buƙatar ya zama fiye da kashi 99%.
25kgs/ganga, tan 9/kwantenar 20'
25kgs/jaka, tan 20/kwantenar 20'
Pyromeltic Dianhydride Tare da CAS 89-32-7
Pyromeltic Dianhydride Tare da CAS 89-32-7
