Process for forming phosphonate polymers

Details Process for forming phosphonate polymers Process for forming phosphonate polymers

1974-06-10

1976-05-11

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260 2P, 260 47P, 260 79, 260928, 260929, 260930, 526 14, 526 54, 526278, C07F 9141, C08G 7904

Patent

active

039564312

ABSTRACT:
A process is disclosed for forming polymers and oligomers containing the repeating unit ##EQU1## where R is selected from the group consisting of hydrogen and hydrocarbyl, preferably C.sub.1 -C.sub.4 alkyl groups, e.g., methyl and ethyl, and R' is an alkylene group, e.g., a C.sub.2 -C.sub.4 alkylene group, a substituted alkylene group, or an alkylene group having one or more O, S, arylene or vinylene group interruptions in its aliphatic chain. It comprises the transalkylation of a dihalide compound of the formula:

REFERENCES:
patent: 2891915 (1959-06-01), McCormack et al.
patent: 3298967 (1967-01-01), Mason

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