C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/10 (2006.01) C08F 10/06 (2006.01) C08F 210/06 (2006.01) C08L 23/14 (2006.01) C08F 110/06 (2006.01) C08L 23/06 (2006.01) C08L 23/08 (2006.01)
Patent
CA 2675424
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a heat of fusion of more than about 108 J/g, a melting point of 165°C or higher, a Melt Flow Rate so low that it is essentially not measurable and a molecular weight of greater than about 1.5 x 106. Further disclosed herein are blends or mixtures of the present novel polymer composition and products, such as, for example, microporous film structures and the like comprising same.
L'invention concerne une composition polymère, sa fabrication et son utilisation, ladite composition pouvant comprendre plus d'environ 90% en moles de monomère de propylène, et ayant une combinaison unique de propriétés, comprenant une ou plusieurs parmi les propriétés suivantes: une chaleur de fusion de plus d'environ 108 J/g, un point de fusion de 165°C ou plus, un débit à l'état fondu tellement faible qu'il est essentiellement non mesurable et une masse moléculaire de plus d'environ 1,5 x 106. L'invention concerne en outre des mélanges de la présente nouvelle composition polymère et des produits, tels que, par exemple, des structures de film microporeux et similaires les comprenant.
Brant Patrick
Brinen Jeffrey L.
Kimishima Kohtaro
Kono Koichi
Lin Zerong
Borden Ladner Gervais Llp
Tonen Chemical Corporation
Toray Tonen Specialty Separator Godo Kaisha
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