Biuret compounds, their preparation and use, and...

Details Biuret compounds, their preparation and use, and... Biuret compounds, their preparation and use, and...

C - Chemistry, Metallurgy

07

C

C07C 275/62 (2006.01) C09D 5/04 (2006.01) C09D 7/02 (2006.01)

Patent

CA 2541881

The present invention relates to biuret compounds of the general formula Image in which R1 is C2-C18 alkylene, cycloalkylene, arylene or aralkylene, Y is -0- and/or -NH-, R2 is C4-C22 alkyl, C3-C18 alkenyl, cycloalkyl, aralkyl, C m H2m+1(O-C n H2n)x-(O-CH(C6H5)-CH2)u-. C m H2m+1(OOC-C v H2v)x-, X- C6H4-(O-C n H2n)x-(O-CH(C6H5)-CH2)u-. where m = 1-22, n = 2-4, x = 0-15, u = 0-15, v = 4-5, X is C1-C12 alkyl, -(C6H5)1-4 and R3, R4 and R5 are C2-C18 alkylene, cycloalkylene, arylene or aralkylene, it being possible for R3, R4 and R5 to be identical or different, Z is -COO-, NHCO-, NHCOO-, NHCONH- and/or mixtures thereof and a is 1-20. The invention also relates to a process for preparing biuret compounds and to their use as rheology control agents. The invention further relates to urethane- and/or urea-containing uretdiones which are useful intermediates for preparing the biuret compounds.

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