Synthesis and structure-property comparisons of hydrogenated poly(oxanorbornene-imide)s and poly(norbornene-imide)s prepared by ring-opening metathesis polymerization

Various structures of poly(norbornene‐imide)s and poly(oxanorbornene‐imide)s were synthesized and an optimal hydrogenation method was established. The thermal, thermomechanical, mechanical, and optical properties of thus prepared polymers were investigated, together with the structural characteristi...

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Bibliographic Details
Published in:Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 2012-09, Vol.50 (18), p.3914-3921
Main Authors: Yoon, Kyung-Hwan, Kim, Kyung Oh, Wang, Chengqing, Park, Insook, Yoon, Do Y.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
high performance polymers
Organic polymers
Physicochemistry of polymers
poly(norbornene imide)
poly(oxanorbornene imide)
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
ROMP
ROMP
structure‐property relations
structure-property relations
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Summary:Various structures of poly(norbornene‐imide)s and poly(oxanorbornene‐imide)s were synthesized and an optimal hydrogenation method was established. The thermal, thermomechanical, mechanical, and optical properties of thus prepared polymers were investigated, together with the structural characteristics shown by wide‐angle X‐ray scattering patterns. Poly(oxanorbornene‐imide)s exhibit local nanostructure caused by intermolecular interactions between the imide and backbone oxygen moiety, which appears to prevent a significant decrease in Tg when compared with poly(norbornene‐imide)s. Overall, hydrogenated poly(oxanorbornene‐imide)s, obtained with more readily prepared exo‐monomer, exhibit similar physical properties when compared with the corresponding hydrogenated poly(norbornene‐imide)s.
ISSN:0887-624X
1099-0518
DOI:10.1002/pola.26171