Stabilization of a polymer by a stable free radical

Details Stabilization of a polymer by a stable free radical Stabilization of a polymer by a stable free radical

1996-02-06

1999-07-06

Cain, Edward J.

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

Synthetic resins

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

C08F 800

Patent

active

059198710

ABSTRACT:
The present invention relates to the stabilization of a polymer by a stable free radical and in particular to the use of a stable free radical for inhibiting the degradation of a polymer by a mechanism which does not involve oxygen. This use can be carried out when the polymer is in the presence or in the absence of oxygen. The degradation which can be inhibited can be a depolymerization or a crosslinking.

REFERENCES:
patent: 3880822 (1975-04-01), Perrotti
patent: 4070419 (1978-01-01), Watson
patent: 4123418 (1978-10-01), Gilg et al.
patent: 4672088 (1987-06-01), Scott et al.
patent: 5017458 (1991-05-01), Soda et al.
patent: 5185448 (1993-02-01), Odorisio et al.
patent: 5322912 (1994-06-01), Georges et al.
Journal of Applied Chemistry of the USSR, vol. 52, No. 9, Mar. 10, 1980, pp. 1948-1951 by Kirillova et al. entitled "Stabilization of high impact polystyrene".
related pending application 08/687,643 filed on Jul. 19, 1996.
related pending application 08/597,231 filed on Feb. 6, 1996.

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