Thermosetting toluene-soluble water-insoluble alkylated...

Details Thermosetting toluene-soluble water-insoluble alkylated... Thermosetting toluene-soluble water-insoluble alkylated...

C - Chemistry, Metallurgy

08

G

402/95

C08G 16/02 (2006.01) C09D 3/50 (1980.01)

Patent

CA 1065535

ABSTRACT OF THE DISCLOSURE Resins composed of interreacted urea, formaldehyde and a non-tertiary C4-6 alkanol in 1:2.3-2.7:1.3-1.8 molar ratio containing 0.3-0.7 mol of methylol substituents per mol of interreacted urea therein having molecular weights in the range 350 - 700 are thermosetting, toluene-soluble, and water- -insoluble, and are of pumpable viscosity. They are made by a multi-step process containing two acid alkylation steps with intervening removal of water.

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