Pyromellitic Dianhydride (PMDA) e Iketseditsweng ka Fektheri 1,2,4,5-Benzenetetracarboxylic Dianhydride Benzene-1,2:4,5-Tetracar CAS 89-32-7 e Sebedisetswang Moemedi wa ho Kopanya Disele tsa Maiketsetso
Jara boikarabelo bo felletseng ba ho fihlela litlhoko tsohle tsa bareki ba rona; fihlella tsoelo-pele e tsoelang pele ka ho khothaletsa kholo ea bareki ba rona; eba molekane oa ho qetela oa tšebelisano-'moho oa bareki le ho eketsa lithahasello tsa bareki bakeng sa Factory Customized Pyromellitic Dianhydride (PMDA) 1,2,4,5-BenzenetetracarboxylicDianhydride Benzene-1,2:4,5-Tetracar CAS 89-32-7E sebelisoa bakeng sa Moemeli oa ho kopanya li-resin tsa maiketsetso, Re hlompha molao-motheo oa rona oa Botšepehi khamphaning, oa bohlokoa tšebeletsong 'me re tla etsa sohle se matleng a rona ho fa bareki ba rona lihlahisoa le litharollo tsa boleng bo holimo le tšehetso e kholo.
Jara boikarabelo bo felletseng ba ho fihlela litlhoko tsohle tsa bareki ba rona; ho fihlela tsoelo-pele e tsoelang pele ka ho khothaletsa kholo ea bareki ba rona; ho ba molekane oa ho qetela oa tšebelisano-'moho oa bareki le ho eketsa lithahasello tsa bareki bakeng saChina Pmda le CAS Nomoro ea 89-32-7, Re hahile kamano e matla le e telele ea tšebelisano-'moho le lik'hamphani tse ngata khoebong ena ea mose ho maoatle. Tšebeletso ea hang-hang le e ikhethang ea kamora thekiso e fanoeng ke sehlopha sa rona sa baeletsi e khahlisitse bareki ba rona. Tlhahisoleseling e tebileng le likarolo tse tsoang ho thepa li tla romelloa ho uena bakeng sa kananelo efe kapa efe e felletseng. Mehlala ea mahala e ka tlisoa 'me k'hamphani e ka etela k'hamphani ea rona. Portugal bakeng sa lipuisano e amoheleha kamehla. Ke tšepa hore lipotso li tla u ngolla 'me u thehe tšebelisano-'moho ea nako e telele.
Dianhydride ea pyromellitic (e khutsufalitsoeng e le PMDA), e sebelisoang haholo bakeng sa ho kopanya polyimide, hobane polyimide e na le khanyetso e ntle ea mocheso o phahameng haholo, khanyetso ea asiti le alkali, e ntle haholo Ka lebaka la thepa ea eona ea mechini, thepa ea motlakase le botsitso ba litekanyo, e sebelisoa haholo masimong a theknoloji e phahameng joalo ka lifofane, lifofane, li-microelectronics le matla a athomo, a nang le litlhoko tse thata mabapi le thepa ea thepa.
| Ntho | E tloaelehileng |
| Ponahalo | Likristale tse tšoeu |
| Mntlha ea ho hloa | 286℃ -288℃ |
| Phehisano ea asiti e lokolohileng | ≤0.5wt% |
| BOHLOEKI(%) | ≥99.5% |
Pyromellitic dianhydride (PMDA) ke thepa ea bohlokoa indastering ea tlhahiso ea lintho tse phelang, hammoho le thepa ea motheo bakeng sa nts'etsopele ea lisebelisoa tse ncha tsa lik'hemik'hale le lihlahisoa tsa lik'hemik'hale tse ntle tse nang le boleng bo holimo. E sebelisoa haholo bakeng sa tlhahiso ea li-monomers tsa polyimide, 'me e ka boela ea sebelisoa e le moemeli oa ho folisa bakeng sa resin ea epoxy le moemeli oa ho hokahanya bakeng sa resin ea polyester, e sebelisoang tlhahisong ea dae e putsoa ea phthalocyanine le lintho tse ling tsa bohlokoa tse tsoang ho eona, jj., 'me e na le mefuta e mengata ea ts'ebeliso. Pyromellitic dianhydride, e tsejoang hape e le homoanhydride, e na le sebopeho se ikhethang sa limolek'hule 'me e ka sebelisoa ho etsa lisebelisoa tse hanyetsang mocheso, ho thibela motlakase le ho hanyetsa lik'hemik'hale, tseo har'a tsona tšebeliso ea bohlokoa ka ho fetisisa e leng monolayer ea polyimide. E kopantsoe le aromatic diamine ho fumana polasetiki ea polyimide, empa bohloeki ba pyromellitic dianhydride bo holimo haholo, bo hlokang ho feta 99%.
25kgs/moropa, 9tons/20'container
25kgs/mokotla, 20tons/20'container
Jara boikarabelo bo felletseng ba ho fihlela litlhoko tsohle tsa bareki ba rona; fihlella tsoelo-pele e tsoelang pele ka ho khothaletsa kholo ea bareki ba rona; eba molekane oa ho qetela oa tšebelisano-'moho oa bareki le ho eketsa lithahasello tsa bareki bakeng sa Factory Customized Pyromellitic Dianhydride (PMDA) 1,2,4,5-BenzenetetracarboxylicDianhydride Benzene-1,2:4,5-Tetracar CAS 89-32-7E sebelisoa bakeng sa Moemeli oa ho kopanya li-resin tsa maiketsetso, Re hlompha molao-motheo oa rona oa Botšepehi khamphaning, oa bohlokoa tšebeletsong 'me re tla etsa sohle se matleng a rona ho fa bareki ba rona lihlahisoa le litharollo tsa boleng bo holimo le tšehetso e kholo.
Feme e IkhethilengChina Pmda le CAS Nomoro ea 89-32-7, Re hahile kamano e matla le e telele ea tšebelisano-'moho le lik'hamphani tse ngata khoebong ena ea mose ho maoatle. Tšebeletso ea hang-hang le e ikhethang ea kamora thekiso e fanoeng ke sehlopha sa rona sa baeletsi e khahlisitse bareki ba rona. Tlhahisoleseling e tebileng le likarolo tse tsoang ho thepa li tla romelloa ho uena bakeng sa kananelo efe kapa efe e felletseng. Mehlala ea mahala e ka tlisoa 'me k'hamphani e ka etela k'hamphani ea rona. Portugal bakeng sa lipuisano e amoheleha kamehla. Ke tšepa hore lipotso li tla u ngolla 'me u thehe tšebelisano-'moho ea nako e telele.
