Flexible cycloolefin copolymer film and method of preparing same

Details Flexible cycloolefin copolymer film and method of preparing same Flexible cycloolefin copolymer film and method of preparing same

1994-02-14

1996-12-10

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526127, 526160, 526281, 526282, 524553, 524554, 264 16, 26433117, 428910, B23B 2732, C08L 4500, C08K 300

Patent

active

055831923

ABSTRACT:
A flexible single- or multilayer non-oriented or mono- or biaxially oriented film in which at least one layer comprises a cycloolefin copolymer, wherein the cycloolefin copolymer has a mechanical loss factor (tan .delta.) of .gtoreq.0.015 at 50.degree. C. below the glass transition temperature.

REFERENCES:
patent: 5087677 (1992-02-01), Brekner et al.
patent: 5371158 (1994-12-01), Brekner et al.
patent: 5422409 (1995-06-01), Brekner et al.
J. L. Throne, Plastics Process Engineering, Marcel Dekker, Inc., N.Y. 442-3 (1979).
S. S. Schwartz et al., Plastics Materials and Processes, Van Nostrand Reinhold Co., N.Y., 592, 594 (1982).
Christoph Fritzsche, Torsions-schwingungsmessungen an Kunstastoffen, (Torsion Vibration Measurments on Plastics), vol. 21, No. 2, pp. 3-10, (1974).

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