Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive composition is disclosed. The adhesive composition comprises at least 90 wt. % of a copolymer, wherein the copolymer comprises from about 30 mole % to about 70 mole % of propene monomer units and from about 30 mole % to about 75 mole % of 1-butene monomer units. The adhesive composition is free of a heterophase copolymer.

Abstract: A hotmelt composition comprises at least three co-polymers defined by their chemistry and molecular weight. The hotmelt composition may be without tackifiers. The hotmelt can be used in absorbent articles such as diapers comprising two substrates at least partially attached by the hotmelt composition. The hotmelt provides especially good nonwoven-nonwoven bond and nonwoven-film bond.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive having an amorphous polyolefin composition with a random butane-?-olefin copolymer and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: An absorbent article having a liquid permeable interior layer, a liquid impervious exterior layer, an absorbent layer therebetween, and a hot melt adhesive composition having an amorphous polyolefin composition and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: Described herein is an absorbent article. The absorbent article includes an assembly of components and an adhesive composition joining at least two of the assembly of components together. The adhesive composition includes from about 50 wt. % to about 80 wt. % of one or more copolymers and a blend of one or more heterophase copolymers. The one or more copolymers include from about 30 mole % to about 70 mole % of monomer units selected from ethylene. 1-butene, and mixtures thereof. The one or more copolymers also include from about 30 mole % to about 70 mole % of propene monomer units. The adhesive composition is free of polyisobutylene and has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive composition is disclosed. The adhesive composition comprises at least 90 wt. % of a copolymer, wherein the copolymer comprises from about 30 mole % to about 70 mole % of propene monomer units and from about 30 mole % to about 75 mole % of 1-butene monomer units. The adhesive composition is free of a heterophase copolymer.

Abstract: Described herein is an adhesive composition including a copolymer. The adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C. The adhesive composition has a Storage Modulus at 37° C. of from about 3 MPa to 9.5 MPa. The adhesive composition has a Yield Stress at 37° C. of from about 0.8 MPa to about 1.45 MPa.

Abstract: A method of assembling an absorbent article having the steps of: a) providing a hot melt adhesive composition, wherein the adhesive has an amorphous polyolefin composition with more than 40% 1-butene and from about 10 wt. % to about 50 wt. % of a second amorphous polymer, and wherein the hot melt adhesive composition comprises less than 5% of a tackifier; b) providing a plurality of absorbent article components; and c) joining at least one of the absorbent article components to another of the absorbent article components using the adhesive so as to assemble the absorbent article.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive having an amorphous polyolefin composition with a random butane-?-olefin copolymer and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: An absorbent article having a liquid permeable interior layer, a liquid impervious exterior layer, an absorbent layer therebetween, and a hot melt adhesive composition having an amorphous polyolefin composition and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: An absorbent article having a liquid permeable interior layer, a liquid impervious exterior layer, an absorbent layer therebetween, and a hot melt adhesive composition having an amorphous polyolefin composition and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive having an amorphous polyolefin composition with a random butane-?-olefin copolymer and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a compatible amorphous polymer.

Abstract: Described herein is an adhesive composition including (a) from about 70 wt. % to about 90 wt. % of one or more copolymers, and (b) from about 10 wt. % to about 30 wt. % of one or more heterophase copolymers. The one or more copolymers include (i) from about 30 mole % to about 70 mole % of monomer units selected from the group consisting of ethylene, 1-butene, and mixtures thereof; and (ii) from about 30 mole % to about 70 mole % of propene monomer units. The adhesive composition is free of polyisobutylene. The adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C. The one or more heterophase copolymers includes a first heterophase copolymer and a second heterophase copolymer.

Abstract: A hotmelt composition comprises at least three co-polymers defined by their chemistry and molecular weight. The hotmelt composition may be without tackifiers. The hotmelt can be used in absorbent articles such as diapers comprising two substrates at least partially attached by the hotmelt composition. The hotmelt provides especially good nonwoven-nonwoven bond and nonwoven-film bond.

Abstract: An article includes a substrate including a bonding surface area, a first adhesive disposed on the bonding surface area in a first discrete pattern, the first adhesive comprising a hot melt adhesive, and a second adhesive disposed on the bonding surface area in a second discrete pattern that is complementary to the first discrete pattern, wherein the first discrete pattern comprises about 1% to about 25% of the bonding surface area and the second discrete pattern comprises a balance of the bonding surface area.

Abstract: An absorbent article having a liquid permeable interior layer, a liquid impervious exterior layer, an absorbent layer therebetween, and a hot melt adhesive composition having an amorphous polyolefin composition and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive having an amorphous polyolefin composition with a random butane-?-olefin copolymer and a heterophase polyolefin copolymer composition with a first set of comonomer units and a second set of comonomer units, wherein the first set of comonomer units are propene.

Abstract: A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a heterophase polymer having crystallinity into an adhesive composition.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive comprising an amorphous polyolefin composition and a heterophase polyolefin composition comprising amorphous character and crystalline blocks.