METHOD FOR PRODUCING IMPREGNATED NON-WOVEN FABRIC EXPEDIENTLY FOR PURPOSE OF SHOE-INDUSTRIAL MIDDLE SOLE

An impregnating agent is prepd. for nonwoven staple fibre fabrics, mainly needle-felts. Impregnation solidifies the felt and a flexible, stiff, resilient, and if required water-proof material is produced, to be used as intermediate soiling in shoes. Such an interpole consists of, (all wt.%): a mixt....

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Bibliographic Details
Main Authors RIMOCZI,BERTALAN,HU, MURLASITS,GYULA,HU, AUBER,JANOS,HU, SCHNEIDER,ANDOR,HU, KOTA,GYOERGY,HU
Format Patent
LanguageEnglish
Published 28.06.1989
Edition4
Subjects
BRAIDING
COTTON-WOOL
EMBROIDERING
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
NON-WOVEN FABRICS
SEWING
TEXTILES
TRIMMINGS
TUFTING
WADDING
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Summary:An impregnating agent is prepd. for nonwoven staple fibre fabrics, mainly needle-felts. Impregnation solidifies the felt and a flexible, stiff, resilient, and if required water-proof material is produced, to be used as intermediate soiling in shoes. Such an interpole consists of, (all wt.%): a mixt. of, 10-20 natural and/or modified natural fibres and 60-95 synthetic fibres, subjected to mechanical dry needle-felting. Based on felt 75-120 pref. 95-115 binder is added. The binder is applied from an aq. impregnating bath contg. 10-50 pref. 20-35 solids. The impregnating bath contains 10-50 pref. 20-35 of an aq. dispersion of a crosslinkable polymer, 50-90 of an aq. soln. of a synthetic resin precondensate and 0-3 pref. 1.0-1.8 of an aq. dispersion of an amino-functional, polyethylene-siloxane and customary catalyst. Thickening agents and pigments may be present too. - Drying follows impregnation. The impregnated felt is finally best treated at 140-180 deg.C pref. at least 160 deg.C.
Bibliography:Application Number: HU19860002593