The effect of solvent and schedules of treatment of solutions of polyamido acid synthesized from diaminodiphenylic ether and pyromelitic dianhydride on its transformation into polyimide, and the effect on thermal characteristics of the latter, has been investigated by simultaneous thermogravimetric
โฆ LIBER โฆ
Investigation of the formation of polyamido-acids
โ Scribed by M.M. Koton; V.V. Kudryavtsev; N.A. Adrova; K.K. Kalnin'sh; A.M. Dubnova; V.M. Svetlichnyi
- Book ID
- 118360662
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 423 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0032-3950
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Abstraet--Thermovolumetric analysis has shown that conversion of solution of polyamido acid into polyimide occurs in three stages: removal of solvent, dehydrocyclization and, in the case of DMFA as solvent, removal of products of its decomposition. When dimethyl-sulphoxide and methyl pyrrolidone wer
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