Menene Pyromellitic Dianhydride (PMDA)?

Menene Pyromellitic Dianhydride (PMDA)?

Pyromellitic Dianhydride (PMDA) wani farin foda ne, mai narkewa a cikin wasu kaushi na halitta; hydrolyzes zuwa acid lokacin da aka fallasa zuwa danshi. Pyromellitic Dianhydride (PMDA) wani acidic anhydride ne wanda za'a iya amfani dashi azaman wakili na gyarawa kuma azaman sarkar sarka a cikin samar da sarkar tushen polyethylene terephthalate (PET). An fi amfani dashi a cikin samar da thermoplastics da sauran aikace-aikacen shafi.

Menene Pyromellitic Dianhydride ake amfani dashi?

Pyromellitic Dianhydride (PMDA) da aka yi amfani da yawa a matsayin wani muhimmin monomer a cikin shirye-shiryen da wani iri-iri na thermoplastics kamar polyesters, polycarbonates, polyethers polyethers, plasticizersplasticizers, exoxy resins, da dai sauransu Bugu da ƙari, shi ne kuma da amfani a cikin shirye-shiryen na high yi coatings da aka yadu aiki a da yawa filayen a cikin kwanciyar hankali na yau da kullum oxidase Properties, da kyau kwarai oxidative Properties a cikin rayuwar yau da kullum.

• adhesives,

• sutura

• gyare-gyaren foda.

A matsayin tsaka-tsaki, yana taka muhimmiyar rawa a cikin kayan tushen polyimide kamar allon da'irar bugu, haɗin tef mai sarrafa kansa da murfin waya na maganadisu.

Menene hanyar samar da Pyromellitic Dianhydride?

Pyromellitic Dianhydride an shirya shi ta hanyar iskar gas-lokaci oxidation na 1,2,4,5-tetramethylbenzene (ko abubuwan da aka maye gurbin benzene masu alaƙa). Ma'auni mai ma'ana shine:

C6H2(CH3)4 + 6 O2 → C6H2(C2O3)2 + 6 H2O

A cikin dakin gwaje-gwaje, ana iya shirya ta ta hanyar bushewar pyromellitic acid ta amfani da acetic anhydride.

Menene solubility na Pyromellitic Dianhydride?

Pyromellitic Dianhydride yana da sauƙin narkewa a cikin barasa kuma yana ɗan narkewa cikin ether da ruwa.

Menene haɗarin  Pyromellitic Dianhydride？

Pyromellitic Dianhydride mai guba ne kuma yana iya fusatar da huhu, ido, mucosa na hanci da fata, haifar da rashin lafiyan halayen da sauran cututtuka.Ya kamata wurin aiki ya kasance da iska mai kyau, kuma masu aiki su sa kayan kariya, gilashin kariya da kayan kariya masu dacewa.

Menene yanayin ajiya na Pyromellitic Dianhydride?

Pyromellitic Dianhydride  yawanci ana tattara shi a cikin gandun kwali mai nauyin kilogiram 25, ana adana shi a wuri mai sanyi, mai iska da bushewa, zafi, danshi, hasken rana, nesa da zafi.

A ina zan iya siyan Pyromellitic Dianhydride ? Menene farashin?

A Ao Zun, muna sayar da Pyromellitic Dianhydride. Farashin Pyromellitic Dianhydride yawanci ya bambanta dangane da farashin albarkatun kasa. Don sabon farashi, da fatan za a tuntuɓe mu kuma za mu samar da zance mai dacewa da ƙasarku/yankinku. Muna fitarwa a duk duniya, don haka za ku iya tuntuɓar mu a adireshin imel mandy@czqidi.com don kyauta, ko aika sako ta WhatsApp don amsa cikin gaggawa +86-186-5121-5887.