Disposable articles having a continuous thermoplastic coating comprising a metallocene polyolefin

A disposable article comprising at least one permeable substrate layer and at least one fluid impermeable barrier layer substantially adhered to the permeable substrate layer on at least one face, wherein said barrier layer comprises a hot melt adhesive comprising:

• a) from about 10 to about 60 wt-% of at least one interpolymer which is a homogeneous linear or substantially linear interpolymer of ethylene with at least one C.sub.3 -C.sub.20 alpha-olefin, said interpolymer being characterized as having a polydispersity less than about 2.5 and a density from 0.850 to 0.900 g/cc;
• b) from about 40 to about 90 wt-% of at least one viscosity reducing agent selected from the group consisting of tackifier, plasticizer, wax, oils, and mixtures thereof.

A disposable article comprising at least one permeable substrate layer and at least one fluid impermeable barrier layer substantially adhered to the permeable substrate layer on at least one face, wherein said barrier layer comprises a thermoplastic composition comprising up to 100 weight percent of at least one interpolymer which is a homogeneous linear or substantially linear interpolymer of ethylene with at least one C.sub.3 -C.sub.20 alpha-olefin, said interpolymer being characterized as having a polydispersity less than about 2.5 and a density from 0.850 to 0.965 g/cc, and wherein the complex viscosity of the thermoplastic composition at coating temperature is less than about 500 poise at about 1,000 radians/sec.

A disposable article comprising at least one permeable substrate layer and at least one fluid impermeable barrier layer substantially adhered to the permeable substrate layer on at least one face, wherein said barrier layer comprises a thermoplastic coating composition comprising up to 100 weight percent of at least one interpolymer which is a homogeneous linear or substantially linear interpolymer of ethylene with at least one C.sub.3 -C.sub.20 alpha-olefin, said interpolymer being characterized as having a polydispersity less than about 2.5 and a density from 0.850 to 0.965 g/cc, and wherein the complex viscosity of the thermoplastic composition at coating temperature ranges from about 100 poise to about 1,000 poise at about 1 radian/sec.

An article comprising at least one substrate layer and at least one thermoplastic coating substantially adhered to the substrate layer on at least one face, wherein said thermoplastic coating comprises up to 100 weight percent of at least one interpolymer which is a homogeneous linear or substantially linear interpolymer of ethylene with at least one C.sub.3 -C.sub.20 alpha-olefin, said interpolymer being characterized as having a polydispersity less than about 2.5 and a density from 0.850 to 0.965 g/cc, and wherein the complex viscosity of the thermoplastic coating at coating temperature is less than about 500 poise at about 1,000 radians/sec.

An article comprising at least one substrate layer and at least one thermoplastic coating substantially adhered to the substrate layer on at least one face, wherein said thermoplastic coating comprises up to 100 weight percent of at least one interpolymer which is a homogeneous linear or substantially linear interpolymer of ethylene with at least one C.sub.3 -C.sub.20 alpha-olefin, said interpolymer being characterized as having a polydispersity less than about 2.5 and a density from 0.850 to 0.965 g/cc, and wherein the complex viscosity of the thermoplastic composition at coating temperature ranges from about 100 poise to about 1,000 poise at about 1 radian/sec.