摘要:
This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer.
摘要:
This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer.
摘要:
This disclosure relates to a film including a metal receiving layer having at least 15 wt. % of oriented lamellar crystals of a polymer, wherein the oriented lamellar crystals of the polymer have an average thickness in a range from about 1.0 nm to 25 nm as measured by transmission electron microscopy (TEM).
摘要:
Provided are polymeric films that include a polyolefin and at least one cavitating agent including a poly(alkylene terephthalate) of formula (I); wherein n, representing the number of methylene segments in the repeating unit, is 3 or an integer greater than or equal to 5; p, representing the degree of polymerization, is an integer greater than 1. The polymeric film may be an opaque polymeric film. A preferred cavitating agent is poly(trimethylene terephthalate). Also provided are methods for making such polymeric films.
摘要:
Provided are polymeric films that include a polyolefin and at least one cavitating agent including a poly(alkylene terephthalate) of formula (I); wherein n, representing the number of methylene segments in the repeating unit, is 3 or an integer greater than or equal to 5; p, representing the degree of polymerization, is an integer greater than 1. The polymeric film may be an opaque polymeric film. A preferred cavitating agent is poly(trimethylene terephthalate). Also provided are methods for making such polymeric films.
摘要:
Provided is a novel continuous single-step method of manufacturing a multilayer sorbent polymeric membrane having superior productivity, properties and performance. At least one layer of the polymeric membrane comprises sorbent materials and a plurality of interconnecting pores. The method includes: (a) coextruding layer-forming compositions to form a multilayer coextrudate; (b) casting the coextrudate into a film; (c) extracting the film with an extractant; and (d) removing the extractant from the extracted film to form the multilayer sorbent polymeric membrane. The sorbent membrane of this disclosure can find a wide range of applications for use in filtration, separation and purification of gases and fluids, CO2 and volatile capture, structural support, vehicle emission control, energy harvesting and storage, electrolyte batteries. device, protection, permeation, packaging, printing, and etc.
摘要:
This disclosure relates to a multilayer film and a process making such a film. The multilayer film of this disclosure includes (a) a metallizable skin layer having at least one of a grafted isotactic polypropylene, a grafted minirandom copolymer of isotactic polypropylene, a grafted propylene-based elastomer, or any combinations thereof; and (b) a metal layer deposited on the metallizable skin layer, wherein the isotacticity of said isotactic polypropylene is 85% or greater; the ethylene concentration of said minirandom copolymer is 1.0 wt. % or lower; the propylene concentration of said propylene-based elastomer is 89 wt. % or greater; and, wherein the graft monomer includes at least one of ethylenically unsaturated carboxylic acids, ethylenically unsaturated carboxylic acid derivatives and any combination thereof.
摘要:
Provided is a multilayer porous separator film comprising at least one oriented layer, said one oriented layer comprising a heat, solvent, and degradation resistant matrix polymer; an open and interconnecting pore structure; and superior ionic conductivity. The film is made by a dry and/or wet method, with its multilayer structure constructed by coextrusion, lamination, and coating. The film of this disclosure finds a wide range of applications as a permselective medium for use in energy harvesting and storage, filtration, separation and purification of gases and fluids, CO2 and volatile capture, electronics, devices, structural supports, packaging, labeling, printing, clothing, drug delivery systems, bioreactor, and the like. The film is preferably used as a separator of lithium-ion, lithium-sulfur, lithium-air, metal-air, and nonaqueous electrolyte batteries.
摘要:
Provided is an oriented multilayer porous film comprising at least one layer comprising: a heat, solvent, and degradation resistant matrix polymer; a plurality of interconnecting pores; and a porosity less than 90%. The film is made by a dry and/or wet method, with its multilayer structure constructed by coextrusion, lamination, and coating. The film of this disclosure finds a wide range of applications as a permselective medium for use in energy harvesting and storage, filtration, separation and purification of gases and fluids, CO2 and volatile capture, electronics, devices, structural supports, packaging, labeling, printing, clothing, drug delivery systems, bioreactor, and the like. The film is preferably used as a separator of lithium-ion, lithium-sulfur, lithium-air, metal-air, and nonaqueous electrolyte batteries.
摘要:
Films that include at least one metallizable layer, wherein the metallizable layer includes a polyolefin and at least one organosilicon compound, such as silane, polysilane, side group modified polysilane, graft or block copolymer of silane, polycarbosilane, particularly organosilicon compounds having a silicon:(oxygen+nitrogen) molar ratio of 0.3 to 3.5 are described. Metallized films having good barrier properties and metal adhesion as well as methods for making such films are described.