Liquid novolak resin and products made therefrom

Details Liquid novolak resin and products made therefrom Liquid novolak resin and products made therefrom

C - Chemistry, Metallurgy

08

G

402/33, 402/40

C08G 2/00 (2006.01) C08G 8/00 (2006.01) C08G 8/02 (2006.01) C08G 8/04 (2006.01) C08G 8/06 (2006.01) C08G 14/00 (2006.01) C08G 16/00 (2006.01) C08G 16/02 (2006.01) C08L 61/34 (2006.01)

Patent

CA 1164141

ABSTRACT This invention relates to a novel method for tha manufacture of 100% reactive liquid novolak resins which do not contain inert diluents. In accordance with this invention, in the original manufacture of novolak resin, the procedure is modified so that instead of cool- ing the novolak resin after stripping to remove water, the novolak resin is neutralized to the pH above six by the addition of a ?asic material thereto either prior to or after stripping, and a sufficient quantity of furfuryl alcohol, or furfural monomeric solvent is added to solu- bilize and liquify the resulting novolak resin solution at ambient room temperature. The resulting liquid novo- lak resin is storage stable.

352555

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