Age-resistant polymers containing chemically bound antioxidant f

Details Age-resistant polymers containing chemically bound antioxidant f Age-resistant polymers containing chemically bound antioxidant f

1981-08-17

1983-03-22

Levin, Stanford M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525375, 525386, C08F 800, C08F 832

Patent

active

043776663

ABSTRACT:
Conjugated diene homo- or copolymers having chemically bound antioxidant functional groups are prepared by the reaction of polymer-alkali metal with certain antioxidants containing a functional group reactable polymer-alkali metal, providing both coupling and bound anti-oxidant groups. These polymers having antioxidant functional groups chemically attached into the polymer chain have better aging stability than similar polymers containing non-bound antioxidants.

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