C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4512, 400/57
C08L 67/02 (2006.01)
Patent
CA 1222085
ABSTRACT OF THE DISCLOSURE: The invention relates to a hydrophilic moulding compound of homopolyester and/or copolyester which contains 1 to 20 percent by weight of an alkaline and/or alkaline- earth salt of salt-forming polymer and/or copolymers from ethylenic unsaturated monomers as finely dispersed filling material, having in particular a maximum particle size of 1 µm, the salt-forming polymers being composed in particular of the following single monomers or mixtures thereof: vinyl- sulfonic acid, acrylamidoalkylene-sulfonic acid, sulfonated styrene, acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, vinyl-phosphonic acid, monoalkyl ester of maleic acid, monoalkyl ester of fumaric acid. The invention also relates to a process according to which the salts are preferably added to the polycondensation mixture of the polyester starting materials before and/or during poly-condensation as a suspension in polyhydric alcohol. The moulding compound is preferably used for making filament yarns, or staple fibers.
398856
Brodowski Walter
Diamantoglou Michael
Grimm Wolfgang
Magerlein Helmut
Meyer Gerhard
Akzona Incorporated
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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