Polymerization of dialdehydes by metal alkyls | Zendy

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Polymerization of dialdehydes by metal alkyls

Author(s) -

Sweeny W.

Publication year - 1963

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1963.070070603

Subject(s) - polymerization , copolymer , metal , polymer chemistry , polyester , polymer , infrared spectroscopy , differential thermal analysis , materials science , aldehyde , diffraction , catalysis , chemistry , organic chemistry , physics , optics

A variety of metal alkyls have been found to be catalysts for preparing a polyester from terephthalaldehyde via the Tischenko reaction. The polymer was examined by infrared spectra, x‐ray diffraction patterns, and differential thermal analysis, and is apparently a crystallizable random 50 : 50 copolymer composed of p ‐methylenebenzoate and p ‐xylyleneterephthalate units. Diphenyl‐4,4,‐dicarboxaldehyde also underwent polymerization with the metal alkyls, but a hindered aldehyde, 4,6‐dimethylisophthalaldehyde, did not and was recovered quantitatively.

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