The Procter Gamble Company

H.b. Fuller Company

H.b. Fuller Licensing & Financing Inc.

Adherent Laboratories, Inc.

Ifs Industries Inc.

Other

The Dow Chemical Company

Elevance Renewable Sciences, Inc.

David B. Malcolm

William L. Bunnelle

David Bradley Malcolm

William L Bunnelle

Robert Haines Turner

John M Zimmel

Keith C Knutson

David B Malcolm

Thomas H Quinn

Torsten Lindner

Eugene R Simmons

Richard C Lindmark, Jr

Virginia C Markevka

Holger Beruda

Ekaterina Anatolyevna Ponomarenko

Matthias Morand

Andres Sustic

Nick Fowler

Benjamin John Kutay

Enrico Buenacosa

Steve McHaney

Steve Oetting

Jon Fagerness

Bill Turner

J J DeCair

Christopher M Ryan

Mark G Katsaros

Steven L Scholl

Joel Snyder

Andrew Michael Kawaja

Scott Zaddack

Sandra J Mackey

Pamela M Klinkenberg

Elizabeth R Messman

Selim Yalvac

Deepak R Parikh

Mark S Kroll

Malcolm F Finlayson

Thomas F Kauffman

Risha Lindig Bond

Cynthia L Rickey

Robert M Hume

Diza Braksmayer

David R Speth

Robert M Hume, Iii

Lowell G Lindquist

Jimmy D Allen

Michael S Keehr

Brendon J Kryzer

John K Fromwiller

Mary E Foster

Jeffrey M Swoboda

Jj DeCAIR

Diza Pearl Braksmayer

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.

Absorbent article comprising an adhesive composition

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.

Absorbent article with tackifier-free adhesive

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.

Hotmelt composition comprising three polymers having different peak molecular weights

Disposable absorbent articles assembled from a collection of components using an adhesive having an amorphous polyolefin composition with a random butane-&#x3b1;-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.

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.

Hot melt adhesive

Described herein is an adhesive composition including a copolymer. The adhesive composition has a viscosity of from about 2,000 mPa&#xb7;s to about 11,500 mPa&#xb7;s at 150&#xb0; C. The adhesive composition has a Storage Modulus at 37&#xb0; C. of from about 3 MPa to 9.5 MPa. The adhesive composition has a Yield Stress at 37&#xb0; C. of from about 0.8 MPa to about 1.45 MPa.

Adhesive composition for absorbent articles

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.

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.

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&#xb7;s to about 11,500 mPa&#xb7;s at 150&#xb0; C. The one or more heterophase copolymers includes a first heterophase copolymer and a second heterophase copolymer.

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.

Composite adhesive layer for a laminate structure

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.

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.

Disposable absorbent articles assembled from a collection of components using an adhesive consisting essentially of an amorphous polyolefin composition comprising more than 40% 1-butene and a second amorphous polymer comprising at least one butene monomer, the polymer having a molecular weight (MW) of at least 1000, wherein the polymer is compatible with the polyolefin.

Article with tackifier-free adhesive

Growing community of inventors

Ham Lake, MN, United States of America

William L Bunnelle