Irradiated color stabilized polysulfone compositions

Details Irradiated color stabilized polysulfone compositions Irradiated color stabilized polysulfone compositions

1986-11-28

1988-01-26

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523300, 524183, 524184, C08K 555

Patent

active

047217375

ABSTRACT:
A composition sufficiently irradiated to achieve sterilization comprising a polysulfone resin in admixture with an anti-yellowing upon exposure to sterilizing irradiation effective amount of a boron compound having as part of its structure at least one ##STR1## group wherein R.sup.3 is selected from monovalent hydrocarbon radicals, substituted monovalent hydrocarbon radicals, monovalent hydrocarbonoxy radicals, or halogen radicals, and R.sup.4 is selected from divalent hydrocarbon radicals or substituted divalent hydrocarbon radicals.

REFERENCES:
patent: 4211679 (1980-07-01), Mark et al.

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