Aromatic polyformal blends

Details Aromatic polyformal blends Aromatic polyformal blends

C - Chemistry, Metallurgy

08

L

400/3039, 400/40

C08L 71/00 (2006.01) C08G 75/23 (2006.01) C08L 59/00 (2006.01) C08L 25/04 (2006.01) C08L 25/12 (2006.01) C08L 27/06 (2006.01) C08L 27/08 (2006.01)

Patent

CA 1242825

ABSTRACT A moldable and compatible blend of 5 to 95 weight percent of an aromatic polyformal comprising from about 20 weight percent to 100 weight percent of repeating units (I) having the formula Image and from 0 weight percent to about 80 weight percent of repeating units (II) having the formula Image (II) in which the repeating units (I) and the repeating units (II) are connected by interbonding units (III) having the formula -CH2- (III) wherein Y is selected from alkyl groups of 1 to 4 carbon atoms, chlorine or bromine, each z, independently, has a value of from 0 to 4 inclusive, n has a value of 0 or 1, and R1 is a divalent saturated or unsaturated aliphatic hydrocarbon radical, O, CO, SO2, S or a direct bond, with the proviso that when R1 is SO2 then repeating unit (II) is not the same as repeating unit (I), and 95 to 5 weight percent of a styrene copolymer or terpolymer and/or vinyl chloride containing polymers.

452327

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