Abstract:
The present invention provides a polymer composition having a first component obtained by copolymerizing a norbornene monomer and an ethylene monomer, the first component being in an amount from about 1-99 % by weight of the composition; and a second component of an ethylene and alpha -olefin copolymer, the alpha -olefin having 6 carbons, the second component being in an amount from about 99 % to about 1 % by weight of the composition.
Abstract:
The present invention provides a polymer blend for fabricating a laser-weldable article having a first component of a material not thermally responsive to a laser beam and selected from the group consisting of polyolefins, ethylene and lower alkyl acrylate copolymers, ethylene and lower alkyl substituted alkyl acrylate copolymers, ethylene vinyl acetate copolymers, polybutadienes, polyesters, polyamides, and styrene and hydrocarbon copolymers; a second component of a laser responsive material having low solubility in an aqueous medium and present in an amount by weight of from about 20 ppm to about 2000 ppm; and the blend being sufficiently thermally responsive to exposure to a laser beam having a wavelength within a range of wavelengths from about 700 nm to about 1500 nm to at melt upon exposure to the laser beam for a short period of time.
Abstract:
The present invention provides a flowable materials container (30). The container (30) has a first sidewall (32) and a second sidewall (32) sealed together along a peripheral seam (34) to define a fluid chamber. At least one sidewall (32) is a film (10) having at least one layer of blend of a first component selected from the group of: (1) ethylene and alpha -olefin copolymers having a density of less than about 0.915 g/cc, (2) ethylene copolymerized with lower alkyl acrylates, (3) ethylene copolymerized with lower alkyl substituted alkyl acrylates and (4) ionomers, the first component being present in an amount from about 99 % to about 55 % by weight of the blend, a second component in an amount by weight of the blend from about 45 % to about 1 % and consists of one or more polymers of the group: (1) propylene containing polymers, (2) polybutene polymers, (3) polymethylpentene polymers, (4) cyclic olefin containing polymers and (5) bridged polycyclic hydrocarbon containing polymers; and the film (10) has a modulus of elasticity when measured in accordance with ASTM D882 of less than about 60,000 psi, an internal haze when measured in accordance with ASTM D1003 of less than about 25 %, an internal adhesion ranking of greater than about 2, a sample creep at 120 DEG C under 27 psi loading of less than or equal to 150 % for a film having a thickness of from about 5 mils to about 15 mils, and the film (10) can be heat sealed into a container (30) having seals wherein the seals remain intact when the container is autoclaved at 121 DEG C for one hour.
Abstract:
The present invention provides a polymer blend having: a first component of a propylene containing polymer in an amount by weight of the blend from about 25% to about 35%; a second component selected from the group consisting of polyesters, polyester elastomers, and polyurethanes, the second component present in an amount by weight of the blend of from about 35% to about 45%; and a third component of an ethylene vinyl acetate copolymer in an amount by weight of the blend from about 25% to about 35%.
Abstract:
The present invention provides a polymer blend for fabricating medical products. The blend has a first ethylene and alpha -olefin copolymer obtained using a single-site catalyst present in an amount by weight of from about 0 % to about 99 % by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min, a second ethylene and alpha -olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0 % to about 99 % and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min; and a third ethylene and alpha -olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0 % to about 99 % and having a melt flow index greater than about 20 g/10 min.
Abstract:
The present invention provides a polymer blend for fabricating monolayer films or a layer within a multilayer film. The blend has a first component and a second component. The first component is selected from the group of: (1) an ethylene and
Abstract:
The present invention provides a multilayer film (10). The film (10) has a first layer (12) of a blend of a first component selected from the group of: (1) ethylene and alpha -olefin copolymers having a density of less than about 0.915 g/cc, (2) ethylene copolymerized with lower alkyl acrylates, (3) ethylene copolymerized with lower alkyl substituted alkyl acrylates and (4) ionomers, the first component being present in an amount from about 99% to about 55% by weight of the blend, a second component in an amount by weight of the blend from about 45% to about 1% and consists of one or more polymers of the group: (1) propylene containing polymers, (2) polybutene polymers, (3) polymethylpentene polymers, (4) cyclic olefin containing polymers and (5) bridged polycyclic hydrocarbon containing polymers; a second layer (4) attached to the first layer (12); and the film (10) has a modulus of elasticity when measured in accordance with ASTM D882 of less than about 60,000 psi, an internal haze when measured in accordance with ASTM D1003 of less than about 25%, an internal adhesion ranking of greater than about 2, a sample creep at 120 DEG C under 27 psi loading of less than or equal to 150% for a film having a thickness of from about 5 mils to about 15 mils, and the film (10) can be heat sealed into a container (30) having seals (34) wherein the seals (34) remain intact when the container (30) is autoclaved at 121 DEG C for one hour.
Abstract:
A monolayer film of a polymer blend of a first component selected from the group consisting of an ethylene containing polymer, the first component present in an amount by weight of the film from about 60 % to about 1 %, the first component having a first melting point temperature determined by DSC, a second component selected from the group consisting of propylene containing polymers and methyl pentene containing polymers, the second component being present in an amount by weight of the film from about 99 % to about 40 %, the second component having a second melting point temperature determined by DSC; and the film being capable of withstanding steam sterilization at a temperature from about 100~C to about 130~C.