Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentae

Details Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentae Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentae

1987-11-13

1989-12-19

Sutto, Anton H.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

558 78, C08K 552, C07F 915

Patent

active

048883719

ABSTRACT:
Bis(2,6-di tert butyl-4-branched propyl or butyl phenyl)-pentaerythritol spiro phosphites are provided having the formula: ##STR1## wherein R is a branched propyl or butyl group, such as isopropyl, iso-butyl, or sec-butyl, as well as synthetic resin compositions having enhanced resistance to deterioration upon exposure to the heat and light comprising such as bis(2,6-di-t-butyl-4-branched propyl or butyl phenyl)pentaerythritol spiro phosphites.

REFERENCES:
patent: 4415686 (1983-11-01), Chasar
patent: 4692539 (1987-09-01), Spivack

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