Absorbent article comprising an adhesive composition

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 assembly of components comprises:

• a) a topsheet;
• b) a backsheet underlying the topsheet;
• c) an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core comprises at least one of a core cover, a dusting layer, an acquisition layer, a distribution layer, and a storage member;
• d) at least one additional component selected from the group consisting of:
• i) a fastening system for joining the front waist region to the rear waist region when the absorbent article is worn;
• ii) barrier cuffs lying adjacent and inboard the two spaced apart longitudinal side edges;
• iii) gasketing cuffs lying between each of the two spaced apart longitudinal side edges and the barrier cuffs;
• iv) front ears disposed in the front waist region;
• v) back ears disposed in the rear waist region;
• and
• vi) a receiving member;
• and
• e) a spray-on adhesive composition joining at least two of the assembly of components together, wherein the spray-on adhesive composition comprises:
• i) from about 50 wt. % to about 80 wt. % of a plurality of copolymers, wherein each of the plurality of copolymers comprise from about 30 mole % to about 70 mole % of monomer units selected from the group consisting of ethylene, 1-butene, and mixtures thereof;
• and wherein the plurality of copolymers comprise from about 30 mole % to about 70 mole % of propene monomer units;
• and
• ii) a blend of heterophase copolymers;
• wherein the blend of heterophase copolymers comprises from about 70 wt. % to about 99.5 wt. % of a first heterophase copolymer and from about 0.1 wt. % to about 30 wt. % of a second heterophase copolymer;
• wherein the spray-on adhesive composition is free of polyisobutylene;
• wherein the spray-on adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C., as measured by the Viscosity Test Method;
• wherein the spray-on adhesive composition has an Enthalpy of Fusion of less than 15 J/g, as measured by the Enthalpy of Fusion Test Method;
• and
• wherein the plurality of copolymers comprises a first copolymer and a second copolymer, and wherein the spray-on adhesive composition comprises from about 40 wt. % to about 75 wt. % of the first copolymer and from about 5 wt. % to about 40 wt. % of the second copolymer.

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 assembly of components comprises:

• a) a topsheet;
• b) a backsheet underlying the topsheet;
• c) an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core comprises at least one of a core cover, a dusting layer, an acquisition layer, a distribution layer, and a storage member;
• d) at least one additional component selected from the group consisting of:
• i) a fastening system for joining the front waist region to the rear waist region when the absorbent article is worn;
• ii) barrier cuffs lying adjacent and inboard the two spaced apart longitudinal side edges;
• iii) gasketing cuffs lying between each of the two spaced apart longitudinal side edges and the barrier cuffs;
• iv) front ears disposed in the front waist region;
• v) back ears disposed in the rear waist region;
• and
• vi) a receiving member;
• and
• e) a spray-on adhesive composition joining at least two of the assembly of components together, wherein the spray-on adhesive composition comprises:
• i) from about 50 wt. % to about 80 wt. % of a plurality of copolymers, wherein each of the plurality of copolymers comprise (i) from about 30 mole % to about 70 mole % of 1-butene monomer units;
• and (ii) from about 30 mole % to about 70 mole % of propene monomer units;
• and
• ii) a blend of heterophase copolymers;
• wherein the blend of heterophase copolymers comprises from about 70 wt. % to about 99.5 wt. % of a first heterophase copolymer and from about 0.1 wt. % to about 30 wt. % of a second heterophase copolymer;
• wherein the spray-on adhesive composition is free of polyisobutylene;
• wherein the spray-on adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C., as measured by the Viscosity Test Method;
• wherein the spray-on adhesive composition has an Enthalpy of Fusion of less than 15 J/g, according to the Enthalpy of Fusion Test Method;
• and
• wherein the plurality of copolymers comprises a first copolymer and a second copolymer, and wherein the spray-on adhesive composition comprises from about 35 wt. % to about 80 wt. % of the first copolymer and from about 10 wt. % to about 35 wt. % of the second copolymer.