Described herein is an absorbent article having a longitudinal centerline and a lateral centerline, a front waist region with a front waist edge, a rear waist region with a rear waist edge, a crotch region disposed between the front waist region and the rear waist region, and two spaced apart longitudinal side edges joining the front waist edge to the rear waist edge, wherein the absorbent article comprises an assembly of components, and wherein the absorbent article comprises an adhesive composition. The adhesive composition comprises a copolymer; the adhesive composition has a viscosity of from about 2,000 mPa.Math.s to about 11,500 mPa.Math.s at 150 C., the adhesive composition has a Storage Modulus at 37 C. of from about 3 MPa to 9.5 MPa, and the adhesive composition has a Yield Stress at 37 C. of from about 0.8 MPa to about 1.45 MPa.

The present invention is related to an article comprising a substrate, having at least one propylene terpolymer comprising propylene derived units, one or more dienes, and an alpha-olefin content of less than about 35 wt % of the propylene terpolymer; and an adhesive composition, having about 20 to about 80 wt % of a polymer blend comprising a first propylene-based polymer, that is a homopolymer of propylene or a copolymer of propylene and ethylene or a C.sub.4 to C.sub.10 alpha-olefin, and a second propylene-based polymer, that is a homopolymer of propylene or a copolymer of propylene and ethylene or a C.sub.4 to C.sub.10 alpha-olefin; wherein the second propylene-based polymer is different than the first propylene-based polymer; and wherein the adhesive composition is applied to the substrate at temperature of less than about 150 C.

Disclosed is a composition that comprises or is produced from a first ethylene -olefin copolymer, a modified first ethylene -olefin copolymer, and a second ethylene -olefin copolymer or propylene -olefin copolymer. Also disclosed is a multilayer film or sheet structure containing at least one barrier layer; at least one predominantly propylene-based layer, at least one predominantly ethylene-based layer, or both; and at least one adhesive layer produced from the composition. Further disclosed is a produced for producing a multilayer structure using the composition as adhesive layer.

A dielectric welding film capable of achieving a tight welding through a short period of dielectric heating, and a welding method using the dielectric welding film are provided. The dielectric welding film is configured to weld a pair of adherends of the same material or different materials through dielectric heating, the dielectric welding film including a thermoplastic resin as an A component and a dielectric filler as a B component and satisfying the conditions (i) and (ii): (i) a melting point or softening point measured in accordance with JIS K 7121 (1987) is in a range from 80 to 200 degrees C.; and (ii) heat of fusion measured in accordance with JIS K 7121 (1987) is in a range from 1 to 80 J/g.

A process of heat shrinking an article is provided. The process includes shaping a thermoplastic vulcanizate (TPV) into an article, the TPV having: a partially vulcanized rubber dispersed in a continuous thermoplastic phase, wherein more than 5 wt % of the rubber is extractable in boiling xylene, and wherein the thermoplastic phase comprises a thermoplastic resin having a Tm>110 C. and a propylene-based elastomer (PBE) having a Tm<110 C.; and heating the article to a temperature between about 100 C. and 250 C. to shrink the article.

Provided is a hot-melt adhesive composition improving workability and productivity, and having excellent adhesion to olefin substrates, such as polypropylene, and also excellent adhesion to highly polar substrates, such as PVC and PET, and further having excellent mechanical properties. Provided is a hot-melt adhesive composition comprising an acid-modified polyolefin and a copolymerized polyester, and satisfying the following (1) to (5): (1) the copolymerized polyester comprises a dicarboxylic acid component and a glycol component, and has a melting point (T1), as determined by a differential scanning calorimeter (DSC), in the range of 80 to 150? C.; (2) the acid-modified polyolefin has a melting point (T2), as determined by a differential scanning calorimeter (DSC), in the range of 60 to 150? C.; (3) |T1?T2|?40? C.; (4) when an acid value of the acid-modified polyolefin is defined as AV (eq/ton), and a hydroxy value of the copolymerized polyester is defined as OHV (eq/ton), 0.5?AV/OHV?4.5; and (5) the acid-modified polyolefin is contained in an amount of 5 to 40 mass %, and the copolymerized polyester is contained in an amount of 60 to 95 mass %, based on 100 mass % of the total of the acid-modified polyolefin and the copolymerized polyester, and the total amount of the acid-modified polyolefin and the copolymerized polyester is 70 mass % or more based on 100 mass % of the total of the entire hot-melt adhesive composition.

Functional film systems are disclosed that include a functional film having a surface energy; and a cap sheet, adjacent to the functional film, having a surface energy. In aspects, the ratio of the surface energy of the cap sheet to the functional film, measured at a point where the cap sheet contacts the functional film, is no greater than 2.6; and the peel strength may be from about 1 to about 50.

The invention relates to a polypropylene composition comprising a crystalline propylene random copolymer and an amorphous propylene copolymer having improved hot-tack force and adhesion properties, to a process for the manufacture thereof, to the use thereof in the manufacture of adhesives and hot tack films and to articles comprising the polypropylene composition, as well as to a process for producing such article.

To provide a hot melt adhesive agent which is excellent in adhesive properties to a substrate material such as paper and a polyolefin, is also excellent in adhesive properties from a low temperature (around 4 C.) to a high temperature (around 50 C.), has little viscosity change even when a long time elapses, and has tack that is not too high. Provided is a hot melt adhesive agent for a container with a straw comprising an amorphous poly--olefin (A) and a metallocene polymer (B).

The invention includes a hot melt adhesive composition including a single-site catalyzed propylene-based polymer that has a co-monomer content of from 0% by weight to 20% by weight and a Brookfield Viscosity at 190 C. of no greater than 25,000; and a non-hydrogenated C5 tackifying agent having a softening point of from 98 C. to around 130 C. The adhesive composition has been found to give a good balance of static peel strength and dynamic peel strength when used as a construction adhesive in a disposable absorbent article.