B32B2439/70

BIODEGRADABLE AND COMPOSTABLE FILM WITH AN INCREASED BARRIER EFFECT TO AERIFORM FLUIDS
20220363040 · 2022-11-17 ·

Disclosed is a biodegradable, compostable and thermoshrinking film for packaging perishable goods, including a base structure substantially permeable to light radiation and including a first layer 10 μm thick, to directly contact the goods, and consisting of 89% in weight Mater-Bi® EF51L, 10% in weight BioGranic™ 3112 and 1% in weight Mater-B® master MEE. A second layer, overlapping the first, has a thickness equal to the one of the first layer and consists of 50% in weight Mater-Bi® EF51L and 50% in weight Mater-Bi® DF51A0. A third layer, overlapping the second, has a thickness equal to the one of the first layer and consists of 99% in weight Mater-Bi® EF51L and 1% in weight Mater-Bi® master MEE. A barrier layer including aluminum and/or aluminum oxide and/or silicon oxide and having a thickness ≤0.1 μm overlaps the third layer.

RETORT ADHESION COMPOSITION
20220363965 · 2022-11-17 ·

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.

ANTIMICROBIAL MULTILAYER FILM
20220363848 · 2022-11-17 ·

A multilayer film containing up to 15 wt % of a blend of cis-13-docosenamide and at least one primary antimicrobial material on or in an exterior layer of the film. The blend of cis-13-docosenamide and at least one primary antimicrobial material is either extruded as part of the surface layer of the film or coated onto the surface of the film.

BARRIER LAMINATE AND IMPLEMENTATIONS THEREOF
20220363041 · 2022-11-17 ·

The present disclosure provides a barrier laminate (F) comprising: a) at least one polyolefin core layer (X); b) at least one barrier layer (Y) joined to both the sides of the at least one polyolefin core layer (X); and c) at least one polyolefin layer (Z) adjacent to the at least one barrier layer (Y), wherein the at least one barrier layer is a polyvinyl alcohol (PVOH) coating layer on one side of the at least one polyolefin core layer (X) and has a coating thickness in the range of 0.1 gsm-1.5 gsm. The present disclosure also provides a process for preparing the barrier laminate.

Breathable thermoplastic film with reduced shrinkage

Methods for stretch-forming a thermoplastic film comprises: stretching the thermoplastic film between a first roller and a second roller, wherein the first the roller rotates at a first peripheral velocity and the second roller rotates at a second peripheral velocity that is higher than the first peripheral velocity; and advancing the thermoplastic film from the second roller to a third roller, wherein the third roller rotates at a third peripheral velocity that is lower than the second peripheral velocity, wherein a ratio of the third peripheral velocity to the second peripheral velocity is no larger than 0.95. The resulting breathable thermoplastic films may have a basis weight of no larger than 15 g/m.sup.2 and a shrinkage of no larger than 5%.

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 Z = M w M e
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, M w M n ,
from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI.sub.50) from about 1% to about 98%.

Multi-layered packaging films

A multi-layered packaging film includes (a) an outer print layer, (b) an inner product-side layer, and (c) a lamination layer interposed between the outer print layer and the inner product-side layer.

Method for producing a multilayer film

A method for producing a multilayer film including at least two layers joined by a two-component adhesive includes the following steps: spreading a first component A of a two-component adhesive on a first face of a first layer of film; spreading a second component B of the two-component adhesive on a first face of a second layer of film; bringing the first and second faces of the first and second layers into mutual contact joining the components and to form an adhesive and join the two layers in a multilayer film; and winding the multilayer film obtained.

Method of manufacturing food packaging cellulosic films and food packaging cellulosic films thus produced

The present invention relates to a method of manufacturing a cellulosic film (cellulose film), particularly a cellulosic food packing film, especially a detectable cellulosic film, which cellulosic film comprises detectable particles incorporated therein, as well as to the cellulosic film thus produced and to its applications and usages (i.e. its use).

Recyclable packaging materials
11584574 · 2023-02-21 · ·

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.