B32B2307/5825

Dispensing Liner
20230226797 · 2023-07-20 ·

Various systems are provided herein for sealing and dispensing the contents of containers. The systems can include openings that may be movable relative to one another between sealed positions and dispensing positions.

LAMINATE AND STANDING POUCH
20230227227 · 2023-07-20 · ·

A laminate includes a substrate layer and a heat-sealing layer. A fold of the laminate produced by a weight of a 2 kg roller has a folding angle of 20 to 55°, and a content of polyethylene in the laminate is 90% by mass or more. The folding angle may be 25 to 55°. The substrate layer may contain high-density polyethylene. The substrate layer may be a uniaxially oriented linear low-density polyethylene film or an unstretched film made of polyethylene.

Films Made of Polyethylene Blends for Improved Sealing Performance and Mechanical Properties
20230018505 · 2023-01-19 ·

Provided herein are films comprising a core layer sandwiched between an outer layer and a scaling layer. The film has a seal initiation temperature at 5 N/15 mm between about 82° C. and about 88° C., a 1% secant modulus m MD between about 300 MPa and about 400 MPa, and plateau seal strength at between about 16 and about 17 N/15 mm. While the outer layer and core layers comprise polyethylene compositions, the sealing layer comprises a polyethylene blend. The polyethylene blend comprises a plastomer and a polyethylene composition in an amount equal to or less than 50 wt %.

LAMINATED FILM

A multi-laminate film includes a first biaxially oriented film having a first machine direction angle and a first spiral cut oriented film having a second machine direction angle different than the first machine direction angle. The multi-laminate film also includes at least one of a second biaxially oriented film having the first machine direction angle or a second spiral cut oriented film. The first biaxially oriented film, the first spiral cut oriented film and the at least one of the second biaxially oriented film or second spiral cut oriented film are laminated together.

Agricultural film comprising a copolyamide of a diamine, a dimer acid and a lactam

The present invention relates to an agricultural film (AF) comprising at least one copolyamide, wherein the copolyamide has been prepared by polymerizing at least one lactam and a monomer mixture (M). The present invention further relates to a process for producing the agricultural film (AF) and to the use of the agricultural film (AF) as mulch film, as silage film, as greenhouse film or as silo film.

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.

COMPOSITE THERMOPLASTIC FILM AND THE MANUFACTURING METHOD THEREOF
20230001673 · 2023-01-05 ·

A composite thermoplastic film and the manufacturing method are provided in the present invention. The method includes: providing a first structural layer and a second structural layer; performing a co-extrusion step to form a composite layer, in which to use a first extruding machine to perform the co-extrusion step, so the first structural layer is divided into a first thermal fuse film and a third thermal fuse film, and use a second extruding machine to perform the co-extrusion step, so the second structural layer is formed as a second thermal fuse film and disposed between the first thermal fuse film and the third thermal fuse film to form a composite layer; and performing a film-forming step, the composite layer is cooled to form a film through a forming wheel, and a rotating speed of the forming wheel can be controlled to acquire a desired thickness of the composite thermoplastic film.

Vertically lapped fibrous flooring

A flooring assembly (10) comprising at least one vertically lapped fibrous material layer (14), at least one pressure sensitive adhesive layer (12a) including a flexible substrate (12b), a mesh (12c) and an adhesive (12d) located along the flexible substrate, and at least one moisture impermeable membrane layer (16).

Multilayer composite material and method for manufacturing

The invention relates to a structural multilayer composite comprising a layer of leather in contact with at least one monolayer comprising parallel aligned fibers and a matrix material. The composite may further comprise film layer(s) that may be breathable and/or waterproof. The structural multilayer composite material is suitable for use in clothing and outdoor gear and apparel.

Surface covering having an acoustical component
11541641 · 2023-01-03 · ·

A surface covering is provided and includes an upper section of laminated polymeric layers and an acoustical section for dissipating sound waves.