B32B2250/242

Recyclable Blister Package
20220388749 · 2022-12-08 ·

A blister package is provided that includes a base made from cyclic olefin copolymer (COC) and a lidding film that includes polyolefin layer(s) or a combination of polyolefin and COC layers, that allows both the lidding film and base to be recycled in a single plastic waste stream.

Products having a wood grain appearance, and methods and structures for use in forming same

Structures for use in forming products having a wood grain appearance include, for example, a plurality of extruded layers having different colors/shades spirally wound about a longitudinal axis to an outer surface to define the structure. The plurality of extruded layers include varying thicknesses along a spiral length of the plurality of layers and/or portions of the plurality of extruded layers encircling the longitudinal axis include portions disposed at different distances from the longitudinal axis. In some embodiments, the spirally winding includes forming a cylindrical structure, and pressing the cylindrical structure into a cuboid structure having a square or rectangular cross-section across the longitudinal axis and at least a portion of the plurality of extruded layers defining a square or rectangle pattern across the longitudinal axis. Longitudinal portions may be cut from the structures to form the products having a wood grain appearance.

Roofing underlayment with hydrophobic nonwoven core

A roofing underlayment includes a hydrophobic nonwoven core layer that provides enhanced resistance to water infiltration. In addition to the hydrophobic nonwoven core layer, the roofing underlayment includes a coating layer adhered to a surface of the hydrophobic nonwoven core layer, and an exterior surface layer adhered to the coating layer. A roofing system that includes the roofing underlayment is also provided.

Barrier films for packaging
11518154 · 2022-12-06 · ·

A laminate film with moderate barrier properties can include: a machine direction oriented (MDO) blown polyethylene substrate laminated to a blown polyethylene sealant film, wherein the blown polyethylene sealant film comprises about 5 wt % to about 25 wt % of hydrocarbon resin. Preferably, a polymeric composition of the laminate film is about 90 wt % to about 100 wt % of polyethylene and hydrocarbon resin cumulatively.

Decorative film and method for producing decorative molded body using same

This decorative film is to be bonded to a resin molded body by means of thermoforming, and comprises a sealing layer (I) that contains a polypropylene resin (A) and a layer (II) that contains a polypropylene resin (B). The polypropylene resin (A) satisfies the requirement (a1), while the polypropylene resin (B) satisfies the requirement (b1). (a1) The melt flow rate (MFR (A)) (at 230° C. under a load of 2.16 kg) is more than 0.5 g/10 minutes. (b1) The melt flow rate (MFR (B)) (at 230° C. under a load of 2.16 kg) and the MFR (A) satisfy relational expression (b-1). MFR (B)<MFR (A) (b-1).

SHRINK FILMS INCORPORATING POST-CONSUMER RESIN AND METHODS THEREOF

A shrink film may include at least one layer comprising a blended ethylene-based polymer composition, the blended ethylene-based having a PCR content varying from greater than 5 to less than 95 wt % and a virgin resin content varying from greater than 5 to less than 95 wt %, wherein the virgin resin is selected from HOPE, LLDPE, LDPE, or combinations thereof.

Microporous Film, and Method for Producing Same

Provided is a microporous film which has a surface A and a surface B opposite to the surface A. In one embodiment, the microporous film has a ratio (F.sub.B/F.sub.A) of a dynamic friction coefficient F.sub.B of the surface B to a dynamic friction coefficient F.sub.A of the surface A of 1.2 to 20. In another embodiment, the microporous film is a single layer having a thickness of 3-18 μm, a number N.sub.A of pores on the surface A is 10-100/μm.sup.2, a number N.sub.B of pores on the surface B is 20-200/μm.sup.2, and N.sub.A/N.sub.B is 0.2-0.96. In addition, a total area S.sub.A of pores on the surface A is 0.02-0.5 μm.sup.2/μm.sup.2, a total area S.sub.B of pores on the surface B is 0.01-0.3 μm.sup.2/μm.sup.2, and S.sub.A/S.sub.B is 1.1-10. Furthermore, in another embodiment, a number W.sub.B of protrusion-like bodies on the surface B is 0.2-1000/100 μm.sup.2.

METHOD FOR MANUFACTURING FIBER-CONTAINING SHEET AND FIBER-CONTAINING SHEET
20230053997 · 2023-02-23 ·

A method for manufacturing a fiber-containing sheet. In extruding resin into sheet form using a T-die, the extrusion from the T-die is performed with a first resin for forming a core layer and a second resin for forming both skin layers on both sides of the core layer laminated together. The first resin contains fiber material and the second resin does not contain fiber material.

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.

Protective film

A protective film of the present invention is used at the time of performing heat bending on the resin substrate, and includes a base material layer and a pressure sensitive adhesive layer adhered to a resin substrate, in which the base material layer includes a first layer which is positioned on an opposite side of the pressure sensitive adhesive layer and has a melting point of 150° C. or higher, and includes a second layer which is positioned on a pressure sensitive adhesive layer side and has a melting point of lower than 150° C., the pressure sensitive adhesive layer has a melting point of lower than 150° C., and MFR of a thermoplastic resin contained in the second layer, which is measured in conformity with JIS K7210, is in a range of 0.5 g/10 min to 4.0 g/10 min.