Binder resins for the preparation of fiber composites

Details Binder resins for the preparation of fiber composites Binder resins for the preparation of fiber composites

C - Chemistry, Metallurgy

08

L

C08L 61/06 (2006.01) C08G 8/08 (2006.01) C08G 8/28 (2006.01) C08J 5/04 (2006.01) C08L 61/04 (2006.01) C08L 67/00 (2006.01) C08L 99/00 (2006.01)

Patent

CA 2071564

Abstract of the disclosure: Binder resins for the preparation of fiber composites Preparation of binder resins having improved flow proper- ties in the manufacture of curable fiber composites of natural or synthetic fiber materials, which are based on thermosetting novolaks which contain crosslinking agents and contain practically no free mononuclear phenols, by admixing polyglycols and/or polycarboxylic acids or anhydrides thereof and/or acid esters of polyglycols and polycarboxylic acids, preferably in amounts of in total up to 20% by weight, to the novolaks in the melt, pulver- izing the mixture, after cooling to room temperature, and mixing it intimately with the required amount of pulveru- lent crosslinking agent.

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