Thermal stabilization of polypyrrolidone against reversion to mo

Details Thermal stabilization of polypyrrolidone against reversion to mo Thermal stabilization of polypyrrolidone against reversion to mo

1976-09-14

1978-03-07

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260932, C07F 948, C08K 553

Patent

active

040779408

ABSTRACT:
Certain aryl esters of bis-arylphosphonous acid are thermal stabilization additives for solid polypyrrolidone at the melt temperature.

REFERENCES:
patent: 3078248 (1963-02-01), Ber
patent: 3787529 (1974-01-01), Benghiat
patent: 3962175 (1976-06-01), Hofer et al.
patent: 3962377 (1976-06-01), Spivack
patent: 3976619 (1976-08-01), Morgan et al.
Sandoz Technical Bulletin - Sandostab P-EPQ (1975).

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