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Article: The control of miscibility of PP/EPDM blends by adding ionomers and applying dynamic vulcanization. (isotactic polypropylene and ethylene-propylene-diene terpolymer)
- Article from:
- Polymer Engineering and Science
- Article date:
- October 15, 1995
- Author:
CopyrightCOPYRIGHT 1995 Society of Plastics Engineers, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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INTRODUCTION
The vulcanization of rubber under shear is called "dynamic vulcanization." Dynamically vulcanized thermoplastic elastomer blends have been widely used in the plastics industry because of their advantages in processing; even with the presence of crosslinked elastomers, a thermoplastic nature can be obtained by the dynamic vulcanization. This prevents the formation of a three-dimensional infinite network in the elastomer phase.
Ionomers, which have a small number of ionic groups ([less than or equal to] 15 mol %) along nonionic backbone chains (1-3), have attracted interest because of their ability to compatibilize certain blends (4-7). One of the ...