Patent classifications
B32B2439/46
Liquid repellent film or sheet, and packaging matertal, using same
The present invention is a liquid-repellent film or sheet that exhibits an excellent liquid repellency, and a packaging material using the same. The liquid-repellent film or sheet comprises: a substrate layer (2); an adhesive layer (3) that comprises a thermoplastic resin, and is formed on at least one plane of the substrate layer (2); and a liquid-repellent layer (4) that comprises a resin (6) having a liquid-repellent moiety, and hydrophilic particles (5), and is formed on the surface of the adhesive layer (3).
Barrier material
An object is to provide a barrier material which not only is high in degree of biomass and small in amount of CO.sub.2 emitted, but also has biodegradability and simultaneously has excellent gas barrier property and water vapor barrier property, and which can be suitably used particularly in packaging applications for foods or the like, such as a packaging material, a bag, a paper container, a cardboard box, and a cup. A solution to be provided is a barrier material having an oxygen permeability of 10 ml/m.sup.2.Math.day.Math.atm or less at a temperature of 23° C. and a relative humidity of 0%, and having a total degree of biomass of 50% or more.
Film composite for packaging transdermal patches, and package made of such a film composite
a film composite for manufacturing a package for planar carriers of pharmaceutical active substances, for example transdermal patches, encompassing, in a direction from the outer side of the film composite toward its inner side: a metal layer; an acrylic-acid-containing joining layer; a polyethylene layer; and a COC layer made of cycloolefin copolymer, a side of the COC layer which faces away from the metal layer being an exposed surface of the film composite, wherein provision is made that the polyethylene layer encompasses metallocene polyethylene.
Water-dispersible and biodegradable films for the packaging of liquids and moisture-sensitive materials
The presently disclosed subject matter is generally directed to a packaging film constructed from water-dispersible and/or biodegradable compositions. Particularly, the disclosed film comprises a first layer constructed from one or more water-dispersible materials, such as water-dispersible paper. The film further comprises a second layer constructed from one or more biodegradable materials, such as poly(hydroxyalkanoate). The first and second layers can be constructed to form a packaging material used to enclose a wide variety of products, including liquids and moisture-sensitive solids. Advantageously, the disclosed film (and associated packaging materials) are dissolvable in water and/or biodegrade when exposed to landfill conditions and/or water.
RETORT ADHESION COMPOSITION
A solvent-based polyurethane retort adhesive system for producing laminates including: (A) at least one isocyanate compound, Component A, comprising: a blend of: (i) at least one aliphatic-based isocyanate and (ii) at least one aromatic-based isocyanate; and (B) at least one isocyanate-reactive component, Component B, comprising: (i) at least one phosphate ester compound and (ii) at least one polyether polyol having an average molecular weight of less than 1,500 g/mol; a process for producing the above adhesive; a multi-layer laminate product including the above adhesive; and a process for producing a laminate product using the above adhesive.
Ethylene interpolymer products and films
This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless nonlinear rheology network parameter, Δ.sub.int., greater than or equal to 0.01, satisfying 0.01×(Z−50).sup.0.78≤Δ.sub.int.≤0.01×(Z−60).sup.0.78 inequality wherein Z is a normalized molecular weight defined by
where M.sub.w and M.sub.e are the weight average and entanglement molecular weights, and; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.855 to about 0.975 g/cc, a polydispersity,
from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI.sub.50) from about 1% to about 98%.
Recyclable packaging materials
Layers of a recyclable packaging material can include a first layer of, or including, oriented polyethylene; a second layer of, or including, oriented polyethylene; a tie layer disposed between and joining the first layer and the second layer to one another; an ink layer printed onto at least a portion of at least one of an inner surface of the first layer or an outer surface of the first layer; a metallic barrier layer on at least a portion of at least one of the first and second layers; and an adhesive layer on at least a portion of an outer surface of the second layer and at least partially defining an exterior surface of the recyclable packaging material. A cold seal release coating can be on at least a portion of at least one of the ink layer or the outer surface of the first layer.
RECYCLABLE LAMINATED POLYOLEFIN-BASED FILM STRUCTURES
A recyclable, laminated polyolefin-based film structure comprises two or more film plies laminated to each other. Each of the laminated film plies comprises one or more polyolefin-based films. The film structure has an energy-cured coating layer disposed on the outermost outward facing surface of the film structure and a printed ink layer on an interior surface of one of the polyolefin-based polyolefin layers. In certain embodiments, the outermost surface of the laminated polyolefin-based film structure has a melting temperature which is at least 100 degrees Celsius, and more preferably 180 degrees Celsius, higher than a melting temperature of the innermost surface of the laminated polyolefin-based film structure.
POLYOLEFIN-BASED RESIN FILM AND LAMINATE INCLUDING THE SAME
The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that includes at least a propylene-α olefin random copolymer, wherein (1) an olefin-based block copolymer is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (2) an olefin-based copolymeric elastomer resin is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (3) a propylene homopolymer is 0 to 40 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (4) the polyolefin-based resin film exhibits a thermal shrinkage rate of 25% or less in a direction in which the thermal shrinkage rate is larger between a longitudinal direction and a lateral direction; and (5) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.
Industrial containment bags for bulk materials, waste materials and/or hazardous materials with varying levels of radioactivity
The present invention is directed to new and improved industrial containment bags wherein the improvement comprises providing methods and technologies for improving the integrity of such bags during processes designed for lifting, transporting storing and/or disposing of the same. In certain embodiments, the improvement includes providing methods and technologies for improving the sealing capabilities of the bag's closure systems. In other embodiments, the improvement includes providing methods and technologies for assessing the load balance of materials being contained in such industrial containment bags; and thereafter, compensating for any significant load imbalances. The present invention is also directed to methods of manufacturing, using, filling, lifting, transporting, storing, and/or disposing of such new and improved industrial containment bags.