Abstract:
Breathable films formed from polyethylene are provided that can have desirable properties. In one aspect, a breathable film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2≧7.0−1.2×log(I2).
Abstract:
Cast films formed from polyethylene are provided that can have desirable properties. In one aspect, a cast film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2≧7.0−1.2×log (I2).
Abstract:
Disclosed are multilayer structures comprising a polyolefin layer, a tie layer and a barrier layer wherein the tie layer is a formulation comprising a crystalline block copolymer composite (CBC) comprising i) an ethylene polymer (EP) comprising at least 90 mol % polymerized ethylene; ii) an alpha-olefin-based crystalline polymer (CAOP) and iii) a block copolymer comprising (a) an ethylene polymer block comprising at least 90 mol % polymerized ethylene and (b) a crystalline alpha-olefin block (CAOB).
Abstract:
Disclosed in more detail in this application are ethylene interpolymer films having one or more layers, comprising surface layer comprising: (A) a silane-containing ethylene interpolymer comprising (1) an ethylene interpolymer having a density of less than 0.905 g/cm3, and (2) at least 0.1 percent by weight alkoxysilane; characterized by: (3) having a volume resistivity of greater than 5×1015 ohm-cm as measured at 60 C. In one embodiment, such ethylene interpolymer has a residual boron content of less than 10 ppm and residual aluminum content of less than 100 ppm. Also disclosed are laminated electronic device modules comprising: A. at least one electronic device, and B. one of the ethylene interpolymer films as described above in intimate contact with at least one surface of the electronic device. Such laminated electronic device modules according to the invention have been shown to suffer reduced potential induced degradation (“PID”).
Abstract:
The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm3, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.
Abstract:
The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm3, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.
Abstract:
An electronic device module comprises: A. At least one electronic device, e.g., a solar cell, and B. A polymeric material in intimate contact with at least one surface of the electronic device, the polymeric material comprising an ethylene multi-block copolymer. Typically, the polyolefin material is an ethylene multi-block copolymer with a density of less than about 0.90 grams per cubic centimeter (g/cc). The polymeric material can fully encapsulate the electronic device, or it can be laminated to one face surface of the device. Optionally, the polymeric material can further comprise a scorch inhibitor, and the copolymer can remain uncrosslinked or it can be crosslinked.
Abstract:
A cast film inducing a bimodal ethylene-based polymer having a high density fraction (HDF) from 3.0% to 10.0%, an I10/I2 ratio from 5.5 to 7.0, a short chain branching distribution (SCBD) less than or equal to 10° C., a density from 0.910 g/cc to 0.920 g/cc, and a melt index (I2) from 1.0 g/10 mins to 8.0 g/10 mins.
Abstract:
Artificial turf filaments formed from polyethylene are provided that can have desirable properties. In one aspect, an artificial turf filament comprises a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2≥7.0−1.2×log (I2).
Abstract:
The present disclosure includes a polyethylene composition that may include a first polyethylene resin having a density of from 0.915 g/cc to 0.970 g/cc and a melt index (I2) from 10 g/10 min to 200 g/10 min, when measured according to ASTM D1238 at 190° C. and 2.16 kg load, and a second polyethylene resin having a density of from 0.860 g/cc to 0.930 g/cc and a melt index (I2) of from 400 g/10 min to 2000 g/10 min. The density of the first polyethylene resin may be greater than the density of the second polyethylene resin and the first polyethylene resin, the second polyethylene resin, or both are copolymers of ethylene monomer and at least one α-olefin comonomer, the α-olefin comonomer including C3-C12 α-olefins. Injection molded articles produced from the polyethylene composition are also disclosed herein.