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Primary Examiner: Michl, Paul R.
Assistant Examiner:
Attorney: Jones; John F., Kemmer; Sherman J.

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Title: Thermoplastic nitrile resins

Abstract: Thermoplastic polymers having high heat-distortion temperatures and low permeability to gases and vapors are prepared by copolymerizing in a specified manner an olefinic nitrile, such as acrylonitrile, with a small amount of a conjugated diene, such as butadiene.

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Inventors: Griffith, Russell K. (Chagrin Falls, OH, US)

Application Number: 363011
Filing Date: 1973-05-23
Publication_date: 1977-05-10
Assignee: Standard Oil Company (Cleveland, OH)
Primary Class(es): 526/87 526/292.8, 526/297, 526/338
Other Classes:
US Patent Ref:

2179040	Nov, 1939	Heuer	260/82.
2374841	May, 1945	Semon	260/82.
3763278	Oct, 1973	Griffith	260/879.

Other Refs: 448,2081,123,114

Apr, 1948	CA
Sep, 1970	DT

Other References: Billmeyer, F. W., Textbook of Polymer Chemistry, Interscience Publishers, N. Y., 1962, p. 324.