Imino functional polyethers and their use

Details Imino functional polyethers and their use Imino functional polyethers and their use

C - Chemistry, Metallurgy

08

G

C08G 65/32 (2006.01) C08G 65/40 (2006.01) C08G 65/48 (2006.01) C08G 73/12 (2006.01) C08G 75/23 (2006.01) C08L 63/00 (2006.01) C08L 71/00 (2006.01) C08L 79/08 (2006.01)

Patent

CA 2063779

C-18590/A/CGC 1540 Imino functional polyethers and their use Abstract of the disclosure The present invention relates to imido functional polyethers having recurring units of the formula Image (I) having a molecular weight of from about 5000 to about 50000, in which m is an integer of from 1 to 3, X is -O-, -SO- or -SO2-, R is a radical of the formula Image Image or in which Y is -CH2-, -CH(R2)-, C(R2)2-, or -CH2-CH2-, and R2 is lower alkyl, R1 independently of another is lower alkyl, lower alkenyl, lower alkoxy, cyano, phenyl, or phenoxy, and n is an integer of from 0 to 2. These polyethers can be used as tougheners for epoxy, bismaleimide and polyimide resin systems.

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