Feme e Customized Pyromellitic Dianhydride (PMDA) 1,2,4,5-Benzenetetracarboxylic Dianhydride Benzene-1,2:4,5-Tetracar CAS 89-32-7 E Sebelisitsoe bakeng sa Synthetic Resin Crosslinking Agent
Nka boikarabello bo felletseng ba ho fihlela litlhoko tsohle tsa bareki ba rona; fumana likhatelopele tse tsoelang pele ka ho khothaletsa kholo ea bareki ba rona; ho ba molekane oa ho qetela oa tšebelisano-'moho ea bareki le ho holisa lithahasello tsa bareki bakeng sa Fektheri e Khethehileng ea Pyromellitic Dianhydride (PMDA) 1,2,4,5-BenzenetetracarboxylicDianhydride Benzene-1,2:4,5-Tetracar CAS 89-32-7E sebelisoa bakeng sa Synthetic Resin Crosslinking Agent, Re hlompha mosuoe-hlooho oa rona oa Botšepehi k'hamphaning, e tlang pele tšebeletsong 'me re tla etsa sohle se matleng a rona ho fa bareki ba rona lihlahisoa tsa boleng bo holimo le litharollo le tšehetso e kholo.
Nka boikarabello bo felletseng ba ho fihlela litlhoko tsohle tsa bareki ba rona; fumana likhatelopele tse 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 No. 89-32-7, Re thehile likamano tse matla le tse telele tsa tšebelisano 'moho le lik'hamphani tse ngata haholo khoebong ena mose ho maoatle. Ts'ebeletso ea hang-hang le e ikhethang kamora thekiso e fanoeng ke sehlopha sa rona sa baeletsi e thabisa bareki ba rona. Lintlha tse tebileng le lintlha tse tsoang ho thepa li tla romelloa ho uena bakeng sa kananelo efe kapa efe e phethahetseng. Mehlala ea mahala e ka tlisoa 'me k'hamphani ea sheba k'hamphani ea rona. n Portugal bakeng sa lipuisano e lula e amoheloa. Ke ts'epa hore u tla fumana lipotso 'me u thehe tšebelisano-'moho ea nako e telele.
The pyromellitic dianhydride (e khutsufalitsoeng e le PMDA), e sebelisoang haholo-holo bakeng sa motsoako oa polyimide, hobane polyimide e na le mocheso o phahameng ka ho fetisisa oa mocheso, acid le alkali resistance, e babatsehang Ka lebaka la thepa ea eona ea mechine, thepa ea motlakase le botsitso ba dimensional, e atile haholo. e sebelisoang masimong a theknoloji e phahameng joalo ka sefofane, sefofane, microelectronics le matla a athomo, a nang le litlhoko tse tiileng tsa thepa ea thepa.
| Ntho | Standard |
| Ponahalo | Likristale tse tšoeu |
| Mntlha e phahameng | 286 ℃-288 ℃ |
| Phehisano ea mahala ea acid | ≤0.5wt% |
| PURITY(%) | ≥99.5% |
Pyromellitic dianhydride (PMDA) ke thepa e tala ea bohlokoa indastering ea organic synthesis, hammoho le lisebelisoa tse tala tsa motheo bakeng sa nts'etsopele ea lisebelisoa tse ncha tsa lik'hemik'hale le lihlahisoa tse phahameng tsa boleng ba lik'hemik'hale tse ntle. E sebelisoa haholo-holo bakeng sa tlhahiso ea polyimide monomers, 'me e ka boela ea sebelisoa e le Pheko bakeng sa epoxy resin le cross-linking agent bakeng sa resin ea polyester, e sebelisoang ho etsa dae e putsoa ea phthalocyanine le lintho tse ling tsa bohlokoa, joalo-joalo. mefuta e mengata ya tshebediso. Pyromellitic dianhydride, eo hape e tsejoang e le homoanhydride, e na le mohaho o khethehileng oa limolek'hule 'me e ka sebelisoa ho etsa lisebelisoa tse nang le mocheso o thibelang mocheso, motlakase oa motlakase le lik'hemik'hale tsa lik'hemik'hale, tseo har'a tsona tšebeliso ea bohlokoa ka ho fetisisa e le monolayer ea polyimide. E entsoe ka diamine e nkhang hamonate ho fumana polasetiki ea polyimide, empa bohloeki ba pyromellitic dianhydride bo phahame haholo, bo hlokang ho feta 99%.
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Nka boikarabello bo felletseng ba ho fihlela litlhoko tsohle tsa bareki ba rona; fumana likhatelopele tse tsoelang pele ka ho khothaletsa kholo ea bareki ba rona; ho ba molekane oa ho qetela oa tšebelisano-'moho ea bareki le ho holisa lithahasello tsa bareki bakeng sa Fektheri e Khethehileng ea Pyromellitic Dianhydride (PMDA) 1,2,4,5-BenzenetetracarboxylicDianhydride Benzene-1,2:4,5-TetracarCAS 89-32-7E sebelisoa bakeng sa Synthetic Resin Crosslinking Agent, Re hlompha mosuoe-hlooho oa rona oa Botšepehi k'hamphaning, e tlang pele tšebeletsong 'me re tla etsa sohle se matleng a rona ho fa bareki ba rona lihlahisoa tsa boleng bo holimo le litharollo le tšehetso e kholo.
Feme e hlophisitsoengChina Pmda le CAS No. 89-32-7, Re thehile likamano tse matla le tse telele tsa tšebelisano 'moho le lik'hamphani tse ngata haholo khoebong ena mose ho maoatle. Ts'ebeletso ea hang-hang le e ikhethang kamora thekiso e fanoeng ke sehlopha sa rona sa baeletsi e thabisa bareki ba rona. Lintlha tse tebileng le lintlha tse tsoang ho thepa li tla romelloa ho uena bakeng sa kananelo efe kapa efe e phethahetseng. Mehlala ea mahala e ka tlisoa 'me k'hamphani ea sheba k'hamphani ea rona. n Portugal bakeng sa lipuisano e lula e amoheloa. Ke ts'epa hore u tla fumana lipotso 'me u thehe tšebelisano-'moho ea nako e telele.
