Cohalogenation process for polyesters

Details Cohalogenation process for polyesters Cohalogenation process for polyesters

1981-07-14

1982-12-14

Cockeram, H. S.

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

Synthetic resins

From carboxylic acid or derivative thereof

525438, 525445, 528298, 528299, 528304, C08G 6302, C08G 6368, C08G 6376, C08G 7902

Patent

active

043639070

ABSTRACT:
Cohalogenation of unsaturated polyesters containing pendant unsaturation and a dicyclopentadienyl ester of an .alpha.,.beta.-unsaturated carboxylic acid is carried out at room temperature or lower to simultaneously and selectively halogenate the non .alpha.,.beta.-unsaturation. These materials have utility in plastics, such as fire-retardant castings.

REFERENCES:
patent: 3412070 (1968-11-01), Jakob et al.
patent: 3417063 (1968-12-01), Dunkel
patent: 3575927 (1971-04-01), Jackson et al.
patent: 4016142 (1977-04-01), Alexander et al.
patent: 4029848 (1977-06-01), Nelson
patent: 4117030 (1978-09-01), Nelson
patent: 4167542 (1979-09-01), Nelson
patent: 4223432 (1980-11-01), Curtis
patent: 4246367 (1981-01-01), Curtis
Boeing, "Unsaturated Polyesters", Structure and Properties (1964), pp. 173-183, Elsevier Publishing Co.

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