SELF-ADHERING ARTICLE
Self-adhering articles comprising (i) a weather resistive barrier comprising a first nonwoven fabric attached to a first vapor-permeable and liquid impermeable (VPLI) film, (ii) an adhesive layer comprising an adhesive composition, in which the adhesive layer is located adjacent the first nonwoven fabric, and wherein the first nonwoven fabric is located between the first VPLI film and the adhesive layer; and (iii) a release liner located adjacent the adhesive layer, wherein the adhesive layer is located between the first nonwoven fabric and the release liner are provided.
1 . A self-adhering article, comprising:
(i) a weather resistive barrier comprising a first nonwoven fabric attached to a first vapor-permeable and liquid impermeable (VPLI) film;
(ii) an adhesive layer comprising an adhesive composition, the adhesive layer being located adjacent the first nonwoven fabric, wherein the first nonwoven fabric is located between the first VPLI film and the adhesive layer;
(iii) a release liner located adjacent the adhesive layer, wherein the adhesive layer is located between the first nonwoven fabric and the release liner.
2 . The self-adhering article of claim 1 , wherein the first nonwoven fabric comprises at least one spunbond layer, at least one meltblown layer, or any combination thereof.
3 . The self-adhering article of claim 1 , wherein the first nonwoven fabric comprises at least one polyolefin, such as at least one polypropylene, at least one polyethylene, at least one ethylene-polypropylene impact copolymer, or any combination thereof.
4 . The self-adhering article of claim 1 , wherein the first nonwoven fabric has a basis weight from about 50 to about 140 gsm.
5 . The self-adhering article of claim 1 , wherein the first VPLI film comprises single layer film, wherein the single layer film is a microporous film or a monolithic film.
6 . The self-adhering article of claim 1 , wherein the first VPLI film comprises multilayer film comprising at least one microporous layer, at least one monolithic layer, or combinations thereof.
7 . The self-adhering article of claim 6 , wherein the multilayer film comprises a plurality of microporous layers including a first microporous layer and a second microporous layer each independently from each other comprising at least one polyolefin, at least one propylene-containing copolymer, at least one polyethylene, at least one ethylene-containing copolymer, or any combinations thereof.
8 . The self-adhering article of claim 6 , wherein the multilayer film comprises a plurality of monolithic layers including a first monolithic layer and a second monolithic layer each independently from each other comprises at least one highly breathable polymer comprising at least one of a thermoplastic urethane, a polyether-block-amide copolymer, a polyether-block-ester copolymer, polyester-block-amide copolymer, a copolyester thermoplastic elastomer, or blends thereof.
9 . The self-adhering article of claim 1 , wherein the first VPLI film has a basis weight from about 10 to about 60 gsm.
10 . The self-adhering article of claim 1 , wherein the first VPLI film has a thickness from about 5 to about 25 mils.
11 . The self-adhering article of claim 1 , wherein the first VPLI film is melt-extruded directly onto the first nonwoven fabric.
12 . The self-adhering article of claim 1 , wherein the adhesive layer comprises a discontinuous layer of the adhesive composition.
13 . The self-adhering article of claim 12 , wherein the discontinuous layer of the adhesive composition includes a plurality of discrete zones of the adhesive composition surrounded by a continuous zone devoid of the adhesive composition.
14 . The self-adhering article of claim 13 , wherein the first nonwoven fabric has a first end and a second end along a cross-direction, and wherein the plurality of discrete zones of the adhesive composition include a first discrete zone of the adhesive composition at or proximate to the first end, a second discrete zone of the adhesive composition at or proximate to the first end, and a plurality of intermediate discrete zones of the adhesive composition located between the first discrete zone of the adhesive composition and the second discrete zone of the adhesive composition; wherein the first discrete zone of the adhesive composition defines a first coating area, the second first discrete zone of the adhesive composition defines a second coating area, and the plurality of intermediate discrete zones of the adhesive composition have an average intermediate coating area, and wherein the first coating area and/or the second coating area is larger than the average intermediate coating area.
15 . The self-adhering article of claim 14 , further comprising a first ratio between the first coating area and the average intermediate coating area from about 2.5:1 to about 10:1.
16 . The self-adhering article of claim 14 , further comprising a third ratio between (i) a total intermediate coating area comprising an aggregate of the plurality of intermediate discrete zones of the adhesive composition, and (ii) the aggregate of the first coating area and the second coating area from about 2:1 to about 5:1.
17 . The self-adhering article of claim 1 , further comprising a three-dimensional, non-uniform or non-continuous meltblown layer positioned on an outer surface of the first VPLI film, the meltblown layer comprising meltblown shot, meltblown ropes, or both; wherein the meltblown shot, the meltblown rope, or both is randomly and irregularly distributed on the outer surface of the first VPLI film.
18 . A method of making a self-adhering article, comprising:
(i) melt extruding a first vapor-permeable and liquid impermeable (VPLI) film directly onto a first surface of a first nonwoven fabric to form a weather resistive barrier;
(ii) depositing an adhesive layer comprising an adhesive composition directly onto a second surface of the first nonwoven fabric, wherein the first nonwoven fabric is located between the first VPLI film and the adhesive layer;
(iii) applying a release liner over and in contact with the adhesive layer, wherein the adhesive layer is located between the first nonwoven fabric and the release liner to form a self-adhering article.
19 . The method of claim 18 , wherein the step of depositing the adhesive layer comprises a die coating operation, a spraying operation, a blade coating operation, or any combination thereof.
20 . The method of claim 18 , further comprising depositing a three-dimensional, non-uniform or non-continuous meltblown layer positioned on an outer surface of the first VPLI film, the meltblown layer comprising meltblown shot, meltblown ropes, or both; wherein the meltblown shot, the meltblown rope, or both is randomly and irregularly distributed on the outer surface of the first VPLI film.