Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6 -tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.

Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6 -tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.

Abstract: A multilayer film comprising a first layer comprising from greater than 0 to 100 percent by weight of an ethylene/?-olefin interpolymer composition (LLDPE), based on the total weight of the film composition; and a second layer comprising at least 5 percent by weight of the second layer, of an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a density in the range of from 0.855 to 0.900 g/cm3; and having a melt index (190° C./2.16 kg) of greater than 200 g/10 min; and from 60 to 95 percent, by weight of the second layer, of EVOH is provided.

Abstract: The present invention provides multilayer films. In some embodiments, multilayer films of the present invention are desirable for use in thermoforming applications. In one aspect, a multilayer film comprises a first layer comprising polypropylene, polyethylene, or blends thereof, a second layer comprising polypropylene, polyethylene, or blends thereof, and a third layer between the first layer and the second layer, the third layer comprising polypropylene, polyethylene, or blends thereof, wherein at least one of the layers further comprises a cyclic olefin copolymer and wherein the multilayer film comprises at least 1 weight percent and less than 5 weight percent cyclic olefin copolymer based on the total weight of the film.

Abstract: The present disclosure provides a photovoltaic module. In an embodiment, the photovoltaic module includes a photovoltaic cell, and a layer composed of a film. The film includes a silane-grafted polyolefin (Si-g-PO) resin composition comprising (i) one or more silane grafted polyolefins and (ii) from greater than 0 wt % to less than 5.0 wt % of a micronized silica gel, based on the total weight of the Si-g-PO resin composition. The film has a glass adhesion greater than or equal to 15 N/mm after aging the film at 40° C. and 0% relative humidity for 60 days as measured in accordance with ASTM F88/88M-09.

Abstract: A film comprising a polymer blend which comprises from 90 to 95 wt % of a low density olefm-based plastomer or elastomer having a density equal to or less than 0.905 g/cc; from 5 to 10 wt % of a high modulus amorphous polymer; wherein a film comprising the polymer blend exhibits an oxygen transmission rate (OTR) of equal to or greater than 10,000 cc/m2·day is provided. Also provided is a packaging comprising the film, a method of making the film and a method of forming and filling a packaging comprising the film.

Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6-tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.

Abstract: A multilayer structure comprising at least one barrier layer, said barrier layer including less than or equal to 12 percent, by weight of the barrier layer, of an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a density in the range of from 0.855 to 0.900 g/cm3; and having a melt viscosity less than 50,000 cP at 350° F. (177° C.); and at least 60 percent, by weight of the barrier layer, of EVOH having from 10 to 32 mole percent units derived from ethylene monomer is provided. Further provided are thermoformed articles made therefrom.

Abstract: A multilayer film comprising a first layer comprising from greater than 0 to 100 percent by weight of an ethylene/?-olefin interpolymer composition (LLDPE), based on the total weight of the film composition; and a second layer comprising at least 5 percent by weight of the second layer, of an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a density in the range of from 0.855 to 0.900 g/cm3; and having a melt index (190° C./2.16 kg) of greater than 200 g/10 min; and from 60 to 95 percent, by weight of the second layer, of EVOH is provided.