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Preparation of polyimides utilizing the diels–alder reaction. I. Bis(3,4-dimethylenepyrrolidyl) arylenes with bismaleimides by Raphael M. Ottenbrite; Akira Yoshimatsu; Joseph G. Smith Jr. is a Materials Science article available to read on EtoBox.

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## Abstract Bis(exocyclic)dienes were prepared by the reaction of 2,3‐dibromomethyl‐1,3‐butadiene with aromatic diamines. The diamines were 4,4′‐methylene dianiline, 4,4′‐oxy dianiline, benzidine, and α, α′‐bis(4‐aminophenyl)‐p‐isopropyl benzene (EPON HPT 1061). Polymers were synthesized by the Diels–Alder reaction of these bisdienes with bis(4‐maleimidylphenyl) methane. Flexible films were obtained for diene: dienophile ratios ranging from 0.7 : 1 to 0.8 : 1. Films were found to be insoluble in organic solvents and those cured above 120°C were insoluble in concentrated sulfuric acid. The polymers were characterized by IR, TGA, and elemental analysis.

Who reads Preparation of polyimides utilizing the diels–alder reaction. I. Bis(3,4-dimethylenepyrrolidyl) arylenes with bismaleimides?

Author

Raphael M. Ottenbrite; Akira Yoshimatsu; Joseph G. Smith Jr.

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1042-7147)

Published

1990

Language

EN

Field

Materials Science (Physical Sciences)