Synthesis, rheology, and physical properties of a metathesis polymer | Zendy

Asrar J. | Zendy; Hurlbut J. B. | Zendy

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Synthesis, rheology, and physical properties of a metathesis polymer

Author(s) -

Asrar J.,

Hurlbut J. B.

Publication year - 1993

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.1993.070501007

Subject(s) - acrylonitrile , materials science , metathesis , copolymer , polymer chemistry , monomer , polymerization , rheology , natural rubber , norbornene , viscoelasticity , nitrile rubber , polymer , chemical engineering , composite material , engineering

This paper describes the synthesis, physical properties, and the impact modification of poly( N ‐phenylnorbornene dicarboximide) (PNDI). Impact modification is carried out both by physical blending with acrylonitrile‐butadiene rubber (Hycar®) and by in situ metathesis polymerization of the monomer with the rubber. Better success is achieved by in situ metathesis polymerization. A copolymer, poly( N ‐phenylnorbornene dicarboximide) ‐ co ‐poly(norbornene nitrile) containing Hycar rubber (PNDI/PNN/Hycar), is prepared with a good balance of high‐heat impact and flexural properties. The melt viscoelastic behavior of PNDI/PNN/Hycar is evaluated and the energy of activation for viscous flow ( E a ) was found to be 42 kcal/mol. © 1993 John Wiley & Sons, Inc.

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