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Synthesis of alternating aromatic copolyimides

โœ Scribed by Rhee, Suh Bong; Park, Ji Woong; Moon, Bong Seok; Chang, Ji Young


Book ID
127302518
Publisher
American Chemical Society
Year
1993
Tongue
English
Weight
284 KB
Volume
26
Category
Article
ISSN
0024-9297

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๐Ÿ“œ SIMILAR VOLUMES


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โœ G.N. Babu; Shubha Samant ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 306 KB

Anhydride terminated polyamic acid prepolymer was prepared from pyromellitic dianhydride and a diamine (para-phenylene diamine/benzidine) in dimethyl formamide. The prepolymer was reacted with the other diamine to obtain (A,B),.,, block copolymic acid. The polyamic acid was converted to the polyimid

Synthesis and characterization of altern
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## Abstract Soluble and stable precursors of aromatic imidodiamines were prepared and employed in polymerization reactions with aromatic dianhydrides to yield poly(amic acid ester)s. Thermal imidization of the polymers produced strictly aromatic copolyimides. The reaction of pyromellitic dianhydrid