Poly-2-pyrrolidone composition having improved stability and met

Details Poly-2-pyrrolidone composition having improved stability and met Poly-2-pyrrolidone composition having improved stability and met

1979-05-07

1981-04-14

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 459D, 260 459NC, 260 459KA, 264216, C08K 529

Patent

active

042618819

ABSTRACT:
Poly-2-pyrrolidone compositions having improved thermal stability via the incorporation of an organic isocyanate or a thermal precursor thereof and methods of melt-extruding, and especially melt spinning such compositions.

REFERENCES:
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patent: 3704280 (1972-12-01), van der Loos et al.
patent: 3714772 (1973-02-01), Bhakuni et al.
patent: 3923735 (1975-12-01), Schlichting et al.
patent: 4071486 (1978-01-01), Parker
patent: 4076696 (1978-02-01), Neafsey
patent: 4083827 (1978-04-01), House

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