Elastic nonwoven materials comprising propylene-based and ethylene-based polymers
The present invention relates to elastic nonwoven materials comprising an elastic layer formed from a polymer blend comprising a propylene-based polymer and a minor amount of an ethylene-based polymer. The propylene-based polymer may comprise from about 75 to about 95 wt% propylene and from about 5...
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| creator | ZHAO, BIN HARRIS, CHARLES R MEHTA, ASPY KEKI KEYS, GREGORY E RICHESON, GALEN C |
| description | The present invention relates to elastic nonwoven materials comprising an elastic layer formed from a polymer blend comprising a propylene-based polymer and a minor amount of an ethylene-based polymer. The propylene-based polymer may comprise from about 75 to about 95 wt% propylene and from about 5 to about 25 wt% ethylene and/or a C4-C12 -olefin, and may have a triad tacticity greater than about 90% and a heat of fusion less than about 75 J/g. The ethylene-based polymer may comprise from about 65 to about 100 wt% ethylene and from 0 to about 35 wt% of one or more C3-C12 -olefins. |
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The propylene-based polymer may comprise from about 75 to about 95 wt% propylene and from about 5 to about 25 wt% ethylene and/or a C4-C12 -olefin, and may have a triad tacticity greater than about 90% and a heat of fusion less than about 75 J/g. 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The propylene-based polymer may comprise from about 75 to about 95 wt% propylene and from about 5 to about 25 wt% ethylene and/or a C4-C12 -olefin, and may have a triad tacticity greater than about 90% and a heat of fusion less than about 75 J/g. 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| language | chi ; eng |
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| subjects | BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS PERFORMING OPERATIONS TEXTILES TRANSPORTING TRIMMINGS WADDING |
| title | Elastic nonwoven materials comprising propylene-based and ethylene-based polymers |
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