Hydrogenation of polymers having ketone groups

Details Hydrogenation of polymers having ketone groups Hydrogenation of polymers having ketone groups

1990-05-29

1997-01-28

Jagannathan, Vasu S.

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

Synthetic resins

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

525940, 5253328, 5253333, 525370, C08F29704, C08F 804

Patent

active

055978720

ABSTRACT:
Polymers containing ketone groups such as hydroesterified 1,3-butadiene polymers, including styrenic block copolymers, are hydrogenated with a cobalt/aluminum catalyst which substantially converts ketone groups to alcohol groups and improves polymer stability.

REFERENCES:
patent: 3429936 (1969-02-01), Godt, Jr.
patent: 3644588 (1972-02-01), Hassell
patent: 3855185 (1974-12-01), Loveless et al.
patent: 4879349 (1989-11-01), Hoxmeier
patent: 4927892 (1990-05-01), Drent et al.
patent: 4980422 (1990-12-01), Willis
patent: 4981916 (1991-01-01), Willis
patent: 5013798 (1991-05-01), Hoxmeier

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