Pyromellitic Dianhydride Tare da CAS 89-32-7

CAS:89-32-7

MF:Saukewa: C10H2O6

MW:218.12

EINECS No:201-898-9

Makamantuwa:1,2,4,5-Benzenetetracarboxylic1,2:4,5-diahydride; 1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride; 1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride; 1,2,4,5-Benzenetetracrboxylicdianhydride; pyromelliticacidanhydride; pyromelliticiddianhydride; Pyromelliticanhydride; 1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE

Bar Saƙonku

Cikakken Bayani

Zazzagewa

Tags samfurin

Menene 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, ana amfani dashi sosai a cikin manyan fasahohin fasaha irin su jirgin sama, sararin samaniya, microelectronics da makamashi mai mahimmanci.

Ƙayyadaddun bayanai

Abu	Daidaitawa
Bayyanar	Farin lu'ulu'u
Melting batu	286 ℃ - 288 ℃
Faɗin acid ɗin kyauta	≤0.5wt%
TSARKI(%)	≥99.5%

Aikace-aikace

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. Ana amfani da shi musamman don samar da monomers na polyimide, kuma ana iya amfani dashi azaman wakili na Curing don resin epoxy da wakili mai haɗin giciye don guduro polyester, ana amfani da shi wajen kera launin shuɗi na phthalocyanine da wasu mahimman abubuwan haɓaka, da dai sauransu, kuma yana da fa'ida ta fa'ida. 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%.