Exxonmobil Chemical Patents Inc.

Kevin D Robinson

Abhimanyu Onkar Patil

Lisa Saunders Baugh

Karla Schall Colle

Kevin Richard Squire

Beverly Jean Poole

Alan Joseph Oshinski

Christian Peter Mehnert

Marsha M Arvedson

A polymer composition comprises (a) least 40 wt % (based upon the weight of the composition) of a cyclic olefin polymer comprising at least one acyclic olefin and at least 20 wt % of one or more cyclic olefins (based upon the weight of the cyclic olefin polymer), wherein at least a portion of the cyclic olefin polymer has a glass transition temperature of greater than 100&#xb0; C.; (b) an acyclic olefin polymer modifier in an amount up to 40 wt % (based upon the weight of the composition); and (c) at least 10 wt % (based upon the weight of the composition) of one of more fillers. The polymer composition has a notched Izod impact resistance measured at 23&#xb0; C. of greater than 100 J/m and a flexural modulus (1% secant method) of greater than 1400 MPa.

Polymer compositions comprising cyclic olefin polymers, polyolefin modifiers, and fillers

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Houston, TX, United States of America

Kevin D Robinson