C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
117/201, 402/403
C08F 220/06 (2006.01) C08F 220/42 (2006.01) C08F 220/46 (2006.01) C08F 220/56 (2006.01) D06M 15/285 (2006.01)
Patent
CA 1128249
ABSTRACT OF THE DISCLOSURE: A process for sizing staple fiber yarns by applying an aqueous sizing liquor which contains an alkaline earth metal salt of a copolymer containing from 90 to 30% by weight of acrylic acid and/or methacrylic acid and from 10 to 70% by weight of acrylonitrile and/or methacrylonitrile, which copolymer has a viscosity of from 50 to 1,000 cp in 15% strength aqueous solution at 85°C, and drying the treated yarns. The sized films obtained are moisture- insensitive and have good heat stability.
300155
Leitner Heinz
Schenck Hans-Uwe
Schenk Wolfgang
Stedefeder Joachim
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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