B32B2331/04

SEALING FILM SUITABLE FOR FOOD PACKAGING AND PREPARATION METHOD THEREOF

A sealing film suitable for food packaging is disclosed, which adopts the following solution. The sealing film comprises, in sequence, a PET layer, a VMPET layer and a PE layer from outside to inside, wherein the PE layer comprises 100-110 parts of PE, 15-20 parts of EVA, 15-20 parts of EAA, 55-60 parts of HDPE and 10-15 parts of LLDPE in parts by mass. In this manner, the addition of HDPE and LLDPE into the PE layer is intended to enhance the tensile strength of the sealing film.

Recyclable polyethylene film construction
20200384748 · 2020-12-10 ·

An additive for high density, standard density, or low density polyethylene films, the additive comprising ethylene vinyl acetate wherein the ethylene vinyl acetate is added in an amount sufficient to increase the laser absorption of the polyethylene film and results in a film for laminating to a sealant layer to produce packaging, the packaging being recyclable and openable via tearing without tools such as a scissor or knife. The polyethylene with additive layer can be formed by co-extrusion of the polyethylene and ethylene vinyl acetate to form a filmor by blending of the polyethylene and ethylene vinyl acetate components for forming the film.

METHOD FOR PRODUCING A MULTI-LAYER SUBSTRATE
20200369010 · 2020-11-26 ·

The present invention relates to a method for producing a multi-layer substrate, said substrate comprising a multifunctional coating, and to the use of the substrate produced by this method.

MULTILAYER FILM INCLUDING A FLUOROPOLYMER AND USE THEREOF FOR RESEALABLE PACKAGING
20200324528 · 2020-10-15 · ·

1) Multilayer film comprising: an adhesive layer A consisting of an extrudable hot-melt pressure-sensitive adhesive composition; a hot-sealable and splittable layer B consisting of a composition b; a complexable layer C consisting of a composition c;
said film being characterized in that one of the compositions b and c is a composition f based on a thermoplastic material P, said composition f comprising, on the basis of its total weight, from 0.005 to 1% by weight of a thermoplastic fluorinated (co)polymer F.

2) Process for producing said film by co-extrusion.

3) Use of said film for producing reclosable packagings.

Sealing film suitable for food packaging and preparation method thereof

A sealing film suitable for food packaging is disclosed, which adopts the following solution. The sealing film comprises, in sequence, a PET layer, a VMPET layer and a PE layer from outside to inside, wherein the PE layer comprises 100-110 parts of PE, 15-20 parts of EVA, 15-20 parts of EAA, 55-60 parts of HDPE and 10-15 parts of LLDPE in parts by mass. In this manner, the addition of HDPE and LLDPE into the PE layer is intended to enhance the tensile strength of the sealing film.

MULTILAYER FILMS AND PACKAGES COMPRISING THE SAME
20200316922 · 2020-10-08 ·

The present invention provides multilayer films and packages formed from such films. In one aspect, a multilayer film comprises Layer A which is a sealant layer having a top facial surface and a bottom facial surface, wherein Layer A comprises (a) a copolymer comprising ethylene and alkylacrylate, wherein the copolymer has a melt index (I.sub.2) of 2 to 30 g/10 minutes and wherein the total amount of alkylacrylate in the copolymer is 5 to 30 weight percent based on the weight of the copolymer, and (b) a polyolefin elastomer having a crystallinity of 30% or less and a melt index (I.sub.2) of 1.0 g/10 minutes or more; and Layer B having a top facial surface and a bottom facial surface, wherein the top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A.

ASYMMETRICAL GLASS LAMINATES HAVING COMPOSITE INTERLAYER AND RELATED METHODS

Various embodiments for a laminate glass article and related methods are provided. The laminated glass article includes a first and second glass layers with an interlayer positioned therebetween, comprising: a polymer core layer comprising a high modulus polymer (e.g. polyethylene terephthalate, polycarbonate, polyacrylate, and polyimide); a first low modulus material layer (e.g. first TPU or first PVB or first EVA) configured between the first layer and the polymer core layer; and a second low modulus material layer (e.g. second TPU or second PVB or second EVA) configured between the second layer and the polymer core layer.

POLYVINYL ACETAL IONOMER RESIN FILM, AND LAMINATED GLASS
20200299496 · 2020-09-24 ·

To provide a polyvinyl acetal ionomer resin film having a high Young's modulus and a high elongation at break. The polyvinyl acetal ionomer resin film according to the present invention includes a polyvinyl acetal ionomer resin containing polyvinyl acetal into which an acid group is introduced, and the polyvinyl acetal ionomer resin has a content of the acid group of 1.5% by mole or more and 10% by mole or less, and the polyvinyl acetal ionomer resin has a neutralization degree of 10% or more and 90% or less.

Biodegradable cellulose fiber-based substrate, its manufacturing process, and use in an adhesive tape
20200299550 · 2020-09-24 ·

A biodegradable cellulose fiber-based substrate, at least one side of which is coated with a release coating including: a) at least one water-soluble polymer (WSP) containing hydroxyl groups, and b) at least one lactone substituted with at least one linear or branched and/or cyclic C.sub.8-C.sub.30 hydrocarbon chain which may contain heteroatoms. The biodegradable substrate is certified biodegradable in accordance with EN 13432. A method of production thereof is also disclosed.

Modular wall panels and planar structures

A modular glass panel comprising a glass structure having at least one thin glass sheet having a thickness ranging from about 0.5 mm to about 2.0 mm, a backing frame positioned adjacent the glass structure and situated along the perimeter of the glass structure, and a polymer layer intermediate the glass structure and backing frame to adhere the glass structure together with the backing frame. The glass structure can further comprise the at least one thin glass sheet and a second glass sheet having a polymer interlayer therebetween. The backing frame generally has a geometric cross-section with a rounded interior edge adjacent the glass structure to prevent breakage of the structure upon loading or impact of an exterior surface of the structure.