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synthesis Pathway Polyimide

SOLVER POLYIMIDE | Updated: Sep 15, 2014

polyimide Sar diversity, tu'lu' pIm vaj laH wIv synthesis, mIw according to Sar application chaH connectivity, synthesis Qatlh je latlh polymer ghaj.

1. rewbe'mey'e' qon polyimide cha' yuan cha' yuan amine anhydride synthesis, monomer cha' 'ej mI' latlh polymers heterocyclic, such as polybenzimidazole, polystyrene je jatlhlaHbe'wI' triazole, polybenzothiazole, poly jatlhlaHbe'wI' phen 'ej polyquinoline monomers, tlhol materials Hal tev, synthesis je Dov'agh. cha', cha' amine anhydride polyimide Sar, pIm yIqaw laH chav pIm combinations.

2. laH qon polyimide cha' anhydride 'ej polyamic pey soluble, mIllogh qonwI' qoSta'-Dumerbe' pagh, spinning qaSpu'DI' heating 300 ℃ dehydration cyclization vaj polyimide Suq cha' amines polar solvents, such as dmf, dmac, nmp pagh ghap pong 'eS Hat DuD polycondensation solvents methanol, qaStaHvIS. laH je acetic anhydride 'ej tertiary amine catalysts polyamide pey chemical chel dehydration, cyclization, polyimide taS 'och tIq je Suq. polyimide laH je neH lang boiling jen solvent, such as heating phenolic solvent polymerization, cha' amines cha' anhydride je. loQ addition je laH loS yuan vo' cha' yuan cha' yuan amine pey je Suq polyimide ester; laH je chenmoH polyamide pey wa'DIch vaj polyisoimide 'ej vaj bIDameH polyimide. methods convenient processing, pmr method pong yInbe'taHbogh, laH 'eS viscosity, taS Sub jen Suq, ghaH 'eS mIw Qorwagh viscosity tet roD, method particularly yuQmeyDaq Hap 'u' composite manufacturing; 'eS compounds molecular wej tlhuD mInDaj ghur solubility, pa' transformation mIw.

3. Hoch nI' law' cha' (pagh anhydride pey loS) 'um 'ej tlhIv je SoHbogh cha' amines, whatever polycondensation method, lo' ngeD sufficiently jen molecular ngI', unit unit anhydride amine pagh laH je ngeD molecular ngI' yISeH chel Suq.

4. qaStaHvIS cha' (pagh anhydride pey loS) je ngI' molecular 'eS molecules pre Sub polymer quantity laH Dub cha' amine condensation, tIq je ratio equal molar, tuj treatment pa' vacuum, ghaHmo', so as to convenience 'och tIq processing je qem.

5. Hergh chotwI''e' mIr joq mIr vaj reaction ghom chenmoH pov oligomer, ghot'e' pa' thermosetting polyimides.

6. amphiphilic polymer photosensitive ghom qaStaHvIS mIr alkyl pagh lIH Suq, laH photoresist Suq pagh mIllogh qonwI' qoSta' ram Qu'maj mung je LB polyimide carboxyl, esterification pagh salt, lo'.

7. inorganic salt generally wej lIng synthesis polyimide, insulate Hap 'u' ram Qu'maj mung je particularly advantageous.

sonorfifth, DungDaj retardant bang

polyimide polymer SoHDaq merlu'taH, smoking rate 'eS, jen vacuum outgassing rarely; ram Hap jen Hat, jen vacuum 'ej irradiation, volatile stability; DungDaj retardant grade:

sixth, Polyimide QI'yaH-SuQ

laH lo' tableware 'ej medical luch manufacture 'ej laH, sterilization wa'SanID withstand poH, QaQ biocompatibility ghaj 'op polyimide. example, qaStaHvIS 'Iw compatibility waH QI'yaH hemolytic, cytotoxic activity neH vitro ngong QI'yaH-SuQ. style bIngDaq ghItlh leghlu' =-indent: 0; mso-tetlh: l0 level1 lfo1 10. QI'yaH-SuQ, laH lo' tableware 'ej medical luch manufacture, 'ej laH, wa'SanID poH withstand polyimide disinfection. tu'lu' QaQ biological compatibility, chaq 'op polyimide example neH 'Iw compatibility waH QI'yaH hemolytic, cytotoxic activity neH vitro ngong QI'yaH-SuQ.


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