Dichromate oxidation of polybutadiene: formation of a hydroxylat

Details Dichromate oxidation of polybutadiene: formation of a hydroxylat Dichromate oxidation of polybutadiene: formation of a hydroxylat

1995-08-21

2000-02-29

Lipman, Bernard

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

Synthetic resins

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

5253328, 5253329, 5253332, 525360, 525375, C08F 806

Patent

active

060310529

ABSTRACT:
A process of hydroxylation of polybutadiene using hydroxy terminated polybutadiene and reacting it with tetraethyl ammonium chloride, potassium dichromate and pyridine. The polymer product is subsequently washed with hydrochloric acid and water to produce a polybutadiene with both terminal and internal hydroxylation.

REFERENCES:
patent: 4052370 (1977-10-01), Halasa et al.
patent: 5070150 (1991-12-01), Hopper

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