Hydroxyl-terminated poly(haloalkylene ethers)

Details Hydroxyl-terminated poly(haloalkylene ethers) Hydroxyl-terminated poly(haloalkylene ethers)

C - Chemistry, Metallurgy

07

C

260/629, 260/632

C07C 43/13 (2006.01)

Patent

CA 1184943

ABSTRACT This invention is directed to hydroxyl- terminated poly(haloalkylene ethers) and to the catalyst system employed in their manufacture. The ethers preferably have the formula Image wherein R1 and R2 = hydrogen or methyl; R3 and R4 = hydrogen, lower alkyl containing 1 to 10 carbon atoms or lower chloroalkyl containing 1 to 2 carbon atoms provided that at least one of R3 or R4 is lower chloroalkyl; R5 = residue of a hydroxyl material which originally contained 1 to 6 hydroxyls; b = integer of 1 to 50; d = integer of 1 to 6. Poly(chloroalkylene ethers) are preferred and have a color magnitude of less than 10. These ethers are especially useful where the color of the finished product is important. Such utilities include urethane flooring systems, adhesives, and coatings.

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