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

1996-05-20

1997-07-29

Zemel, Irina S.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

428286, 428288, 428332, 428339, 428524, 524541, 525480, 525504, C08L 6114, C08L 7508

Patent

active

056520476

ABSTRACT:
Preparation of binder resins having improved flow properties 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, pulverizing the mixture, after cooling to room temperature, and mixing it intimately with the required amount of pulverulent crosslinking agent.

REFERENCES:
patent: 4179427 (1979-12-01), Gardikes et al.

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