Stabilized synthetic resin composition

Details Stabilized synthetic resin composition Stabilized synthetic resin composition

1989-07-31

1991-08-13

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524100, 524102, 524103, 524117, 524155, C08K 5345, C08K 5524

Patent

active

050397230

ABSTRACT:
A synthetic resin composition stabilized particularly against the deterioration caused by the action of heat and light, which comprises 100 parts by weight of a synthetic resin, 0.001 to 10 parts by weight of a cyclic phosphite compound represented by the following general formula (I) and 0.001 to 10 parts by weight of a hindered amine compound having a group represented by the following general formula (II) in its molecule: ##STR1## wherein R.sub.1 stands for a tert-butyl or tert-amyl group; R.sub.2 stands for a C.sub.1.about.9 alkyl group; R.sub.3 stands for a hydrogen atom or a C.sub.1.about.4 alkyl group and R.sub.4 stands for a C.sub.1.about.30 alkyl group.

REFERENCES:
patent: 4110306 (1978-08-01), Minagawa et al.
patent: 4196117 (1980-04-01), Spivack

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