Colorless hydroxyl-terminated poly (chloroalkylene ethers)

Details Colorless hydroxyl-terminated poly (chloroalkylene ethers) Colorless hydroxyl-terminated poly (chloroalkylene ethers)

C - Chemistry, Metallurgy

07

C

252/112, 260/629

C07C 43/13 (2006.01) B01J 31/12 (2006.01) C07C 41/03 (2006.01) C08G 18/50 (2006.01) C08G 65/22 (2006.01) C08G 65/26 (2006.01)

Patent

CA 1187107

ABSTRACT This invention is directed to colorless hydroxyl- terminated poly(chloroalkylene ethers) and to the catalyst system employed in their manufacture. The ethers 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 known which are colored, slow to react, unstable to heat and light; crystalline or of low molecular weight. The foregoing dis- advantages of the prior art are overcome by the colorless ethers of the invention. The ethers are especially useful where the color of the finished product is important. Such utilities in- clude urethane flooring systems, adhesives, and coatings.

326143

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