Pyromellitic Dianhydride Me CAS 89-32-7

CAS:89-32-7

MF:C10H2O6

MW:218.12

EINECS No:201-898-9

kupu taurite:1,2,4,5-Benzenetetracarboxylic1,2:4,5-dianhydride; 1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride; 1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride; 1,2,4,5-Benzenetetracrboxylicdianhydride; pyromelliticacidanhydride; pyromelliticaciddianhydride; Pyromelliticanhydride; 1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE

Waiho To Karere

Taipitopito Hua

Tikiake

Tohu Hua

He aha te Pyromellitic Dianhydride Me CAS 89-32-7?

Ko te pyromellitic dianhydride (whakapotohia ko PMDA), e whakamahia nuitia ana mo te whakahiato o te polyimide, na te mea he tino pai te polyimide ki te wera o te wera, te waikawa me te parenga alkali, he tino pai Na ona ahuatanga miihini, nga taonga hiko me te pumau o te rahi, he whanui te whanui. whakamahia i roto i nga mara hangarau-nui penei i te rererangi, aerospace, microelectronics me te kaha ngota, he tino whakaritenga mo nga rawa taonga.

Whakatakotoranga

Tūemi	Paerewa
Te ahua	Kiriata ma
Mwāhi piki	286℃-288℃
Tohe waikawa kore utu	≤0.5wt%
PURITY(%)	≥99.5%

Taupānga

Ko te Pyromellitic dianhydride (PMDA) he rauemi mata nui i roto i te umanga whakahiato rauropi, me te mea ano he rauemi mata mo te whanaketanga o nga matū matū hou me nga hua matū pai-nui. Ka whakamahia te nuinga mo te hanga o nga monomers polyimide, a ka taea hoki te whakamahi hei kaihoko Curing mo te epoxy resin me te kaihoko whakawhiti mo te polyester resin, e whakamahia ana i roto i te hanga o te waikano puru phthalocyanine me etahi waahanga nui, me etahi atu. te whānuitanga o ngā whakamahinga. Ko te Pyromellitic dianhydride, e mohiotia ana ko te homoanhydride, he hanganga irapoi motuhake ka taea te whakamahi ki te hanga i nga taonga me te wera wera, te hiko hiko me te aukati matū, i roto i enei ko te whakamahinga tino nui ko te monolayer o te polyimide. Ka whakahiatotia me te diamine kakara hei tiki i te kirihou polyimide, engari he tino tiketike te ma o te pyromellitic dianhydride, me neke ake i te 99%.