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US 5,208,075 AGranted
Sizing agent for staple fiber and filament yarns
AssigneeBASF SE
InventorsMatthias Kroner, Manfred Niessner, Heinrich Hartmann, Dieter Voelker, Juergen Hartmann, Holger Schoepke
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Abstract
Water-soluble or water-dispersible grafts of proteins with monoethylenically unsaturated monomers are used as sizing agents for staple fiber and filament yarns.
Claims3
A method for sizing staple fiber and filament yarns comprising:
- contacting said staple fiber and filament yarns with an aqueous liquor of a sizing agent, wherein said sizing agent is a grafted protein obtained by free radical polymerization of
- (a) a monoethylenically unsaturated monomer in the presence of
- (b) a protein in water in a weight ratio (a):(b) of (0.5-90):(99.5-10).
Dependencies are inferred from the claim text.