Acrylate copolymeric fibers
First Claim
1. A pressure-sensitive adhesive fiber comprising a pressure-sensitive adhesive composition comprising a crosslinked melt-processable acrylate copolymer as a structural component of the fiber, wherein the crosslinked melt-processable acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
- wherein the crosslinking agent crosslinks subsequent to fiber formation.
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Accused Products
Abstract
The present invention provides fibers and products produced therefrom, including nonwoven webs and adhesive articles. The fibers, which can be multilayer fibers, include a pressure-sensitive adhesive composition comprising an acrylate copolymer comprising copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer and at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer.
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Citations
53 Claims
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1. A pressure-sensitive adhesive fiber comprising a pressure-sensitive adhesive composition comprising a crosslinked melt-processable acrylate copolymer as a structural component of the fiber, wherein the crosslinked melt-processable acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
- wherein the crosslinking agent crosslinks subsequent to fiber formation.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- 17. A pressure-sensitive adhesive fiber which is in the form of a multilayer fiber comprising at least a first layer comprising a pressure-sensitive adhesive composition comprising an acrylate copolymer as a structural component of the fiber, wherein the acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer and at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer.
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23. A nonwoven web comprising pressure-sensitive adhesive fibers;
- wherein the fibers comprise a pressure-sensitive adhesive composition comprising a crosslinked melt-processable acrylate copolymer as a structural component of the fibers;
wherein the crosslinked melt-processable acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
wherein the crosslinking agent crosslinks subsequent to fiber formation. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
- wherein the fibers comprise a pressure-sensitive adhesive composition comprising a crosslinked melt-processable acrylate copolymer as a structural component of the fibers;
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47. An adhesive article comprising a backing and a layer of a nonwoven web laminated to at least one major surface of the backing;
- wherein the nonwoven web comprises pressure-sensitive adhesive fibers;
wherein the fibers comprise a pressure-sensitive adhesive composition comprising a crosslinked melt-processable acrylate copolymer as a structural component of the fibers;
wherein the crosslinked melt-processable acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
wherein the crosslinking agent crosslinks subsequent to fiber formation. - View Dependent Claims (48)
- wherein the nonwoven web comprises pressure-sensitive adhesive fibers;
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49. An adhesive article comprising a backing and a layer of nonwoven web laminated to at least one major surface of the backing;
- wherein the nonwoven web comprises pressure-sensitive adhesive fibers;
wherein each fiber is in the form of a multilayer fiber comprising at least a first layer comprising a pressure-sensitive adhesive composition comprising an acrylate copolymer as a structural component of the fibers;
wherein the acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer and at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer.
- wherein the nonwoven web comprises pressure-sensitive adhesive fibers;
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50. A pressure-sensitive adhesive fiber comprising a pressure-sensitive adhesive composition comprising a crosslinked acrylate copolymer as a structural component of the fiber;
- wherein the crosslinked acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
wherein the crosslinking agent crosslinks subsequent to fiber formation; and
further wherein the pressure-sensitive adhesive composition includes at least one secondary melt processable polymer or copolymer selected from the group of a polyolefin, a polystyrene, a polyurethane, a polyester, a polyamide, a styrenic block copolymer, an epoxy, a vinyl acetate, and mixtures thereof. - View Dependent Claims (51)
- wherein the crosslinked acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
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52. A nonwoven web comprising pressure-sensitive adhesive fibers;
- wherein the fibers comprise a pressure-sensitive adhesive composition comprising a crosslinked acrylate copolymer as a structural component of the fibers;
wherein the crosslinked acrylate copolymer comprises copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer, at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer, and a crosslinking agent;
wherein the crosslinking agent crosslinks subsequent to fiber formation; and
further wherein the pressure-sensitive adhesive composition further includes at least one secondary melt processable polymer or copolymer selected from the group of a polyolefin, a polystyrene, a polyurethane, a polyester, a polyamide, a styrenic block copolymer, an epoxy, a vinyl acetate, and mixtures thereof. - View Dependent Claims (53)
- wherein the fibers comprise a pressure-sensitive adhesive composition comprising a crosslinked acrylate copolymer as a structural component of the fibers;
Specification