Plasticized polyetherimide blends

Details Plasticized polyetherimide blends Plasticized polyetherimide blends

1985-05-13

1986-11-11

Phynes, Lucille M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525432, 524401, C08F28304, C08L 7700

Patent

active

046223681

ABSTRACT:
This invention is concerned with a method for plasticizing polyetherimide polymers with a reactive bisimide plasticizer. This invention also provides novel plasticized polyetherimide blends and rigid polyetherimide blends which are obtained by polymerizing the reactive bisimide plasticizer to form an interpenetrating matrix polymer. The plasticized blends exhibit melt viscosities and glass transition temperatures lower than those associated with the polyetherimide component of the blends. The rigid blends exhibit higher dimensional stability than polyetherimides. The blends produced are suitable for the manufacture of filaments, composites, fibers, films, molding compounds, coatings, etc.

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patent: 4110294 (1978-08-01), Pickering et al.
patent: 4141927 (1979-02-01), White et al.
patent: 4168366 (1979-09-01), D'Alelio
patent: 4302575 (1981-11-01), Takekoshi
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patent: 4387192 (1983-06-01), Yonezawa et al.
patent: 4468506 (1984-08-01), Holub et al.
patent: 4579914 (1986-04-01), Nelb et al.
P. J. Dynes et al., Polyimides, vol. 1, pp. 311-326, K. L. Mittal, Ed. Plenum Press.
L. H. Sperling and D. A. Thomas, Polymer Blends, D. R. Paul and S. Newman Eds., Academic Press, N.Y., 1978.

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