Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-11-22
1998-09-08
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524100, 524101, 524102, 524108, 524117, 524291, C08K 534
Patent
active
058046216
ABSTRACT:
A polymeric composition in which (D) a phenol antioxidant having a specific skeleton 5-t-butyl-3-methyl-4-hydroxyphenyl, (C) a hindered amine photostabilizer having a molecular weight of not less than 400, and (D) a specific phosphorus compound dihydrooxaphosphaphenanthrene are included in (A) a polymeric compound. This polymeric composition is excellent in thermal oxidation degradation resistance and discoloration of coloring resistance in contacting with a combustion gas or the like.
REFERENCES:
patent: 3702878 (1972-11-01), Saito et al.
patent: 5356967 (1994-10-01), Bohshar et al.
Kimura Kenji
Samizo Motohiko
Hoke Veronica P.
Sumitomo Chemical Company Limited
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