A laminate comprises a wicking fabric and a polymeric film adhered to both sides of the wicking fabric, wherein the wicking fabric comprises a plurality of holes, the polymeric films on both sides of the wicking fabric are fused together at each hole, and the laminate functions as an air barrier when measured in accordance with ASTM E2178-13, and allows the passage of liquid water as per ASTM E2273-18.

Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa) (b) in contact with the substrate (Sa), a layer (Lb) of a pressure sensitive composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of 20° C. or lower, and (c) in contact with the layer (Lb), a layer (Lc) that comprises, (i) one or more acrylic polymer (POLc1) having Tg of 20° C. or lower, and (ii) one or more acrylic tackifier polymer having Tg of −10° C. or higher. Also provided are a method of making the pressure sensitive adhesive article and a bonded article made by using the pressure sensitive adhesive article.

Compositions may include an EVA copolymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety. Methods may include preparing a polymer composition by adding ethylene, vinyl acetate and one or more polar comonomers to a reactor or extruder, wherein at least one of the one or more polar comonomers include an amine moiety; and reacting the ethylene, vinyl acetate and one or more comonomers to produce the polymer composition. Compositions may include an adhesive film composition that include at least one layer including a polymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety.

A hot-melt adhesive composition is disclosed. The hot melt adhesive comprises a) 25 to 95 wt %, preferably 50 to 85 wt % of at least one polyolefin-based polymer; b) 1 to 75 wt %, preferably 1 to 40 wt % of at least one tackifying resin; c) 0 to 15 wt % of at least one plasticizer; and d) 0 to 30 wt % of at least one additive and/or adjuvant selected from among stabilizers, adhesion promoters, fillers or pigments, waxes, and/or other polymers or combinations thereof,
characterized in that the at least one polyolefin-based polymer is a mixture of: a1) at least one first polyolefin-based polymer with a molecular weight M.sub.n of <10,000 g/mol in a quantity of 20 to 80 wt % with respect to the total quantity of polyolefin-based polymer, and a2) at least one second polyolefin-based polymer with a molecular weight M.sub.n of >10,000 g/mol in a quantity of 20 to 80 wt % with respect to the total quantity of polyolefin-based polymer. The adhesive is particularly useful for gluing polyolefin films, woven fabrics, or nonwoven fabrics. Also, methods for manufacturing packaging and fabric with the hot-melt adhesive above are disclosed.

An encapsulant sheet suitable for encapsulating a light-emitting element in a self-luminous display, etc. A resin sheet having a polyolefin as a base resin, wherein the resin sheet is created as an encapsulant sheet for a self-luminous display or for a direct backlight, the melt viscosity of the encapsulant sheet, at a shear velocity of 2.43×10 sec.sup.−1 and measured at a temperature of 120° C., being 5.0×10.sup.3 poise to 1.0×10.sup.5 poise inclusive.

OBJECT

An object is to provide a resin composition capable of forming a crosslinked product that is excellent in hot water resistance and excellent in interlayer adhesiveness when formed into a multilayered structure.

SOLUTION

The resin composition contains an ethylene-vinyl alcohol copolymer (A) and a crosslinking agent (B) with the crosslinking agent (B) in an amount of 0.6 to 15 parts by mass relative to 100 parts by mass of the ethylene-vinyl alcohol copolymer (A), the crosslinking agent (B) being a powder obtained by impregnating a porous body (BS) with a crosslinkable compound (BL) having three or more polymerizable groups and a melting point of no greater than 40° C.

OBJECT

An object is to provide a resin composition capable of forming a crosslinked product that is excellent in hot water resistance and excellent in interlayer adhesiveness when formed into a multilayered structure.

SOLUTION

The resin composition contains an ethylene-vinyl alcohol copolymer (A) and a crosslinking agent (B) with the crosslinking agent (B) in an amount of 0.6 to 15 parts by mass relative to 100 parts by mass of the ethylene-vinyl alcohol copolymer (A), the crosslinking agent (B) being a powder obtained by impregnating a porous body (BS) with a crosslinkable compound (BL) having three or more polymerizable groups and a melting point of no greater than 40° C.

The disclosure relates to a mechanically recyclable label (1) comprising a face (2) and an adhesive (4). The face (2) comprises ethylene containing polymer and the adhesive (4) comprises pressure sensitive adhesive. The pressure sensitive adhesive comprises at least 15 wt. % of a base polymer, at least 25 wt. % of a tackifier and at least 10 wt. % of a plasticizer. The base polymer, the tackifier and the plasticizer are colourless and odourless. The base polymer is a polyolefin. The mechanically recyclable label (1) is mechanically recyclable with packaging material comprising ethylene containing polymer. The disclosure further relates to a label laminate (8), a method for manufacturing a label laminate (8), a labelled item (101), as well as to use of a label (1) and of a label laminate (8). The disclosure also relates to use of a waste matrix of the label laminate for producing granulates of recycled plastic.

An adhesive-coated polymer substrate comprising (a) a polymer substrate containing or consisting of a thermoplastic polymer with a Vicat A50 softening point according to DIN EN ISO 306 of up to 220° C., and (b) an adhesive composition coated directly on at least one side of the polymer substrate, wherein the adhesive composition (b) is a UV-curable or UV-cured hot melt pressure sensitive adhesive (PSA) is disclosed. A process for the manufacture of the adhesive-coated polymer substrate as well as to the use thereof are also disclosed.

An adhesive article that remains securely bonded to a substrate until a stimuli is applied. The article may be embodied as an adhesive tape, a bandage, or as other articles. The stimuli may be a change in temperature or application of a reduction that causes a structure within the article to break, creak, or otherwise disrupt to expose the adhesive to a solvent, such as via a difference in Coefficient of Thermal Expansion (CTE) or by exposing the article to a glass transition temperature.