Linear polyesters based on phenylisocyanurate and processes for

Details Linear polyesters based on phenylisocyanurate and processes for Linear polyesters based on phenylisocyanurate and processes for

1974-12-31

1976-06-08

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6368

Patent

active

039621880

ABSTRACT:
Phenylisocyanurate is reacted with ethyl-4-chlorobutyrate in an inert solvent to 25.degree.C. to 150.degree.C. to produce 1,3-bis(3-carbethoxypropyl)-5-phenylisocyanurate. The 1,3-bis(3-carbethoxypropyl)-5-phenylisocyanurate is then heated with a mineral acid to produce 1,3-bis(3-carboxypropyl)-5-phenylisocyanurate. A novel polyester of the formula ##SPC1##
Is made wherein N=3, M is a diol having at least two carbon atoms, and X is a whole number greater than 1 by condensing 1,3-bis(3-carboxypropyl)-5-phenylisocyanurate with a polyol such as 1,6-hexanediol.

REFERENCES:
patent: 3235553 (1966-02-01), Sadle
patent: 3279940 (1966-10-01), Francis et al.
patent: 3331839 (1967-07-01), Little
patent: 3370045 (1968-02-01), Sadle
patent: 3407200 (1968-10-01), Little et al.
patent: 3485833 (1969-12-01), Sadle

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