Ionomer/rubber/polyolefin blend and uses thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 27, 2001
Grant Date -
N/A
app pub date -
Mar 18, 1999
filing date -
Mar 18, 1999
priority date (Note) -
Expired
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Abstract
A thermoplastic ionomer blend or alloy exhibiting advantageous properties upon molding or extrusion and/or thermoforming, consisting essentially of the following components: A. about 15 to 85 parts by weight of a thermoplastic copolymer containing about 91 to 80 weight percent of alpha-olefin units and about 9 to 20 weight percent of alpha, beta-ethylenically unsaturated carboxylic acid units said carboxylic acid units being about 20 to 90 percent neutralized with metal ions, preferably zinc, B. about 10 to 80 parts by weight of a rubber, preferably a thermoplastic elastomer selected from the group consisting of (a) crosslinked ethylene-propylene-diene copolymers and equivalent polyolefin copolymers such as ethylene-butene, hexene, or octene, (b) acrylonitrile-butadiene copolymers, (c) styrene-butadiene copolymers, and (d) styrene acrylonitrile graft-crosslinked butadiene rubbers, and C. about 5 to 40 parts by weight of a thermoplastic polymer selected from the group consisting of polyethylene and polypropylene copolymers and homopolymers, the total number of parts being 100, and molded or extruded and/or thermoformed products produced from the same.
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