Reaction injection molding (RIM) elastomers having superior high temperature performance | Zendy

Rice D. M. | Zendy; Dominguez R. J. G. | Zendy

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Reaction injection molding (RIM) elastomers having superior high temperature performance

Author(s) -

Rice D. M.,

Dominguez R. J. G.

Publication year - 1980

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.760201804

Subject(s) - materials science , elastomer , molding (decorative) , composite material , modulus

Reaction injection molding (RIM) elastomers are being seriously considered by major automotive companies as a substitute for metal in exterior body panels. One major consideration in this application is dimensional stability at a 325°F paint bake cycle. Reported here are formulations which via novel processing result in finished parts with excellent dimensional stability at 325°F. In addition, other properties such as impact resistance and flex modulus ratio improve parallel with high temperature performance. Mechanical properties as a function of processing and molding parameters are presented. Other studies are presented and a tentative explanation of the superior performance of these RIM elastomers is made.

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