Process for the production of low-molecular weight homo- and/or

Details Process for the production of low-molecular weight homo- and/or Process for the production of low-molecular weight homo- and/or

1984-12-20

1987-06-02

Schofer, Joseph L.

Abrasive tool making process, material, or composition

5253329, 5253331, 5253332, 525383, C08F 800

Patent

active

046705180

ABSTRACT:
A process for the production of low-molecular weight homo- and/or copolymers of 1,3-dienes carrying hydroxymethyl groups partially esterified with formic acid, comprises reacting homo- and/or copolymers of 1,3-dienes having an average molecular weight (Mn) of 500-8,000 with formaldehyde at temperatures of 150.degree.-300.degree. C. under a protective gas atmosphere and optionally in the presence of a solvent and a stabilizer.

REFERENCES:
patent: 2888436 (1959-05-01), Pritchard
patent: 3076779 (1963-02-01), Sernivk
patent: 3776981 (1973-12-01), Winkler et al.
patent: 4542191 (1985-09-01), Kay et al.

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