Aromatic cyclic bisphosphite esters and polymeric compositions t

Details Aromatic cyclic bisphosphite esters and polymeric compositions t Aromatic cyclic bisphosphite esters and polymeric compositions t

1996-01-22

1997-01-14

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

558 78, C08K 5527, C07F 96574

Patent

active

055940536

ABSTRACT:
An stabilized thermoplastic composition comprising a stabilizing amount of a phosphite of the formula: ##STR1## R.sub.1 is independently selected from the group consisting of alkyl groups having from 1 to 9 carbon atoms, Y is independently selected from the group consisting of hydrogen, halogen, or alkyl; and the --O--X groups are positioned at the respective ortho- or para- positions with respect to the diphenyl linkage, the remaining ortho- and para- positions with respect to the --O--X linkage being occupied by R.sub.1 whereby the --0--X groups are hindered by the presence of at least one R.sub.1 group; R.sup.2 group is a divalent alkylidene radical having from 1 to 6 carbon atoms or a direct bond; and wherein X has the formula: ##STR2##

REFERENCES:
patent: 2974158 (1961-03-01), Lanham
patent: 3039993 (1962-06-01), Friedman
patent: 3056823 (1962-10-01), Hechenbleikner et al.
patent: 3264247 (1966-08-01), Friedman
patent: 3281381 (1966-10-01), Hechenbleikner et al.
patent: 3305520 (1967-02-01), Fritz et al.
patent: 3305526 (1967-02-01), Guttag
patent: 3342767 (1967-09-01), Buckley
patent: 3415906 (1968-12-01), Shepard et al.
patent: 3437720 (1969-04-01), Guttag
patent: 3441633 (1969-04-01), Friedman
patent: 3467733 (1969-09-01), Dever et al.
patent: 3482002 (1969-12-01), Dever et al.
patent: 3483147 (1969-12-01), Friedman
patent: 3488407 (1970-01-01), Schall
patent: 3509091 (1970-04-01), Cleveland et al.
patent: 3558554 (1971-01-01), Kuriyama et al.
patent: 3646173 (1972-02-01), Gordon et al.
patent: 3714302 (1973-01-01), Dever et al.
patent: 3794629 (1974-02-01), Eimers et al.
patent: 3845168 (1974-10-01), Guttag
patent: 4086304 (1978-04-01), Hutton et al.
patent: 4154691 (1979-05-01), Mauric et al.
patent: 4196117 (1980-04-01), Spivack
patent: 4220472 (1980-09-01), Mauric et al.
patent: 4276233 (1981-06-01), Markezich et al.
patent: 4318845 (1982-03-01), Spivack et al.
patent: 4405739 (1983-09-01), Kinson
patent: 4529533 (1985-07-01), Chasar
patent: 4708979 (1987-11-01), Pedrazzetti et al.
patent: 4755546 (1988-07-01), Hechenbleikner et al.
patent: 4782170 (1988-11-01), Bae et al.
patent: 4882374 (1989-11-01), Wang et al.
patent: 4956406 (1990-09-01), Myers et al.
patent: 4957954 (1990-09-01), Iizuka et al.
patent: 5280057 (1994-01-01), Nesvadba
patent: 5414033 (1995-05-01), Nesvadba
Phosphorus and Sulfur, (1983) vol. 15, pp. 9-13.

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