B32B2439/70

1,2-phenylene bridged 1-indenyl-2-indenyl metallocene complexes for olefin polymerisation

The invention relates to a metallocene complex according to formula (I), (I) wherein R.sub.1 and R.sub.2 are independently selected from H, an alkyl or an aryl group, wherein R.sub.3 is a C1-C10 alkyl group, wherein R′ is selected from H, an alkyl group, an aryl group and wherein different R′ substituents can be connected to form a ring structure and wherein B is a 1,2 phenylene bridging moiety, which can be optionally substituted, wherein Mt is selected from Ti, Zr and Hf, X is an anionic ligand, z is the number of X groups and equals the valence of Mt minus 2. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerisation process of olefinic monomers. ##STR00001##

Elastomeric films having low tear propagation
11690932 · 2023-07-04 · ·

Multilayer thermoplastic films, and laminates and articles comprising the films, wherein the film comprises at least one inner layer and at least two outer layers, wherein the inner layer comprises a polymeric composition comprising from about 55% to about 95% of one or more non-hydrogenated styrenic block copolymers, olefinic block copolymers, or combinations thereof; and each outer layer comprises at least 20% polypropylene and has a thickness of from about 5% to about 15% of the total film thickness, and further wherein the film has a constant force tear propagation of about 20% or less.

Multilayer films and methods of making the same
11691398 · 2023-07-04 · ·

Disclosed are multilayer films with at least one MDO substrate.

Polyester terephthalate rigid wadding disposed between surface laminations
11691402 · 2023-07-04 ·

Rigid wadding, insulation and packaging for food and other products is made of homogeneous polyester terephthalate (PET) that satisfies the resin recycling identification code number one. For purposes of protecting an inner rigid wadding or other insulation, one or more film strips or film coatings may be applied by the artful use of amorphous (non-crystalized) PET that melts at a lower temperature and can act as a thermal bond adhesive. The film strips or film coatings may be made of homogeneous polyester terephthalate (PET) that satisfies the resin recycling identification code number one.

Anisotropic thin polyethylene sheet and applications thereof and the process of making the same

This invention relates to an anisotropic multilayer film and the process of making a multilayer film, wherein a supercritical blowing agent is introduced to at least one layer, wherein at least one layer comprises 10 to 100 percent by weight LLDPE with a melt index of 0.2 to 2 g/10 min. The film in this invention can have a surface with an average Sheffield smoothness, according to TAPPI T 538, of less than 100. The film in this invention can have a puncture propagation tear resistance, in accordance with ASTM D2582, greater than 500 g/mil.

Easy opening film for vacuum skin packaging
11541631 · 2023-01-03 · ·

The present invention relates to cross-linked vacuum skin packaging (VSP) films used as top webs for VSP packages endowed with easy opening features and to VSP packages obtained therefrom. The films of the invention comprise at least one layer of a frangible blend of incompatible polymers. The easy-to-open VSP packages obtained therefrom may advantageously include very simple and cheap supports.

Ethylene/CO interpolymers and processes to make the same

A composition comprising an ethylene/CO interpolymer, formed from a high pressure, free-radical polymerization, and wherein the ethylene/CO interpolymer has the following properties: a) a CO content from “greater than 0” weight percent to less than, or equal to, 10 weight percent CO (carbon monoxide), based on the weight of the interpolymer; and b) a melting point, Tm, in ° C. that meets the following relationship: Tm (° C.)≤601.4*(Density in g/cc)−452.5(° C.).

PACKAGING MATERIAL FOR THE FORMATION OF PACKAGING CONTAINERS AND PACKAGING CONTAINER FORMED FROM A PACKAGING MATERIAL
20220411152 · 2022-12-29 ·

A packaging material for the formation of packaging containers comprising at least a base layer having a hole and at least one separation element covering the hole. The hole extends within a plane being defined by a longitudinal axis and a transversal axis orthogonal to the longitudinal axis. An imaginary longitudinal line parallel to the first longitudinal axis and an imaginary transversal line parallel to the transversal axis mutually intersect at a center point of the hole. A first maximum extension of the hole along the imaginary longitudinal line is larger than a second maximum extension of the hole along the imaginary transversal line. The hole is asymmetric with respect to the imaginary transversal line.

Flat-Shaped Composite Material, Package Sleeve and Package With Trapezoidal Gable

A flat-shaped composite material is represented and described for manufacturing a package, including: a polymer outer layer, a polymer inner layer, a fibrous support layer, which is arranged between the polymer outer layer and the polymer inner layer. The flat-shaped composite material has a plurality of fold lines, which are arranged and designed such that a closed package can be manufactured by folding the flat-shaped composite material along the fold lines and by connecting seam surfaces of the flat-shaped composite material and a sleeve surface. The sleeve surface includes a front surface, a first side surface, a second side surface, a first rear surface and a second rear surface, and base surfaces. The base surfaces include triangular base surfaces and quadrangular base surfaces and gable surfaces. The gable surfaces include triangular gable surfaces and quadrangular gable surfaces. The base surfaces and the gable surfaces are arranged on opposite sides of the sleeve surface. In order to enable the manufacture of packages with even more complex geometries even in the gable and base region, at least one quadrangular gable surface is provided with two small gable surface angles, which are smaller than 90°, with two large gable surface angles, which are greater than 90°, and with an angle sum, which is greater than 360°. A package sleeve made of a composite material and a package manufactured from the composite material or from the package sleeve are also represented and described.

FILM AND PACKAGING MEMBER FOR THE FORMATION OF PACKAGES
20220411666 · 2022-12-29 ·

A film or packaging member for forming a package comprising at least one body and at least one outer adhesive layer, wherein the body and adhesive layer are made of a polyolefin-based plastic, wherein at least the adhesive layer is fusible to be weld to a target surface, and wherein at least the adhesive layer comprises particles that absorb radiation to heat at least a portion of the packaging member.