Shaped articles made from a mixture of polyvinylidene fluoride and a copolymer of methyl methacrylate and a comonomer containing a quaternary ammonium group
AssigneeRhone-Poulenc-Textile
InventorPaul Couchoud
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Abstract
The invention relates to shaped structures, e.g., filaments, fibers or films based on poly(vinylidene fluoride) possessing good dyeing affinity for acid and metal-containing dyestuffs and comprising a fiber and filament forming mixture of poly(vinylidene fluoride) and a copolymer containing 80-95% by weight of methyl methacrylate and 5-20% by weight of a compound which contains a quaternary ammonium group and is copolymerizable with methyl methacrylate. The filaments and fibers according to the invention can advantageously be used in the textile field.
Claims8
Shaped articles based on poly(vinylidene fluoride) possessing good dyeing affinity for acid and metal-containing dyestuffs, comprising a mixture of a vinylidene fluoride homopolymer (A) and a copolymer (B) containing 80 to 95% by weight of methyl methacrylate and 5 to 20% by weight of a compound which contains a quaternary ammonium group and is copolymerisable with methyl methacrylate.
Dependencies are inferred from the claim text.