Pyromellitic Dianhydride Tare da CAS 89-32-7
pyromellitic dianhydride (wanda aka rage shi a matsayin PMDA), wanda aka fi amfani dashi don haɗin polyimide, saboda polyimide yana da kyakkyawan juriya mai zafi mai zafi, acid da juriya na alkali, mai kyau Saboda kayan aikin injiniya, kayan lantarki da kwanciyar hankali, yana da ko'ina. ana amfani da su a manyan fasahohin fasaha irin su jirgin sama, sararin samaniya, microelectronics da makamashin atomic, waɗanda ke da tsauraran buƙatu akan kaddarorin kayan.
| Abu | Daidaitawa |
| Bayyanar | Farin lu'ulu'u |
| Melting batu | 286 ℃ - 288 ℃ |
| Free acid jayayya | ≤0.5wt% |
| TSARKI(%) | ≥99.5% |
Pyromellitic dianhydride (PMDA) wani muhimmin albarkatun kasa ne a cikin masana'antar hada-hadar kwayoyin halitta, da kuma kayan masarufi na yau da kullun don haɓaka sabbin kayan sinadarai da samfuran sinadarai masu inganci masu ƙima. An fi amfani da shi don samar da polyimide monomers, kuma ana iya amfani dashi azaman wakili na Curing don resin epoxy da wakili na haɗin giciye don guduro polyester, wanda ake amfani dashi wajen kera phthalocyanin blue rini da wasu muhimman abubuwan da suka samo asali, da dai sauransu, kuma yana da mahimmanci. fa'idar amfani. Pyromellitic dianhydride, wanda kuma aka sani da homoanhydride, yana da tsarin kwayoyin halitta na musamman kuma ana iya amfani da shi don kera kayan da ke da juriya na zafi, rufin lantarki da juriya na sinadarai, wanda mafi mahimmancin amfani shine a matsayin monolayer na polyimide. An haɗa shi da diamin aromatic don samun filastik polyimide, amma tsarkin pyromellitic diahydride yana da girma sosai, wanda yana buƙatar zama fiye da 99%.
25kgs/drum, 9tons/20'kwantena
25kgs/jakar, 20ton/20'kwantena
Pyromellitic Dianhydride Tare da CAS 89-32-7
Pyromellitic Dianhydride Tare da CAS 89-32-7
