A thermally reversible adhesive comprising: a core and a shell, wherein the shell is deposited on the core, wherein the core comprises a hydrogel, a clay, or mixtures thereof, wherein the hydrogel comprises polymerization products of 2-hydroxyethyl acrylate, 2-hydroxylethyl methacrylate, 4-hydroxybutyl acrylate, ethylene glycol methyl ether acrylate, hydroxypropyl acrylate, ethylene glycol diacrylate, N-vinylpyrrolidone, or mixtures thereof, wherein the shell comprises at least a first and a second component, wherein the first component comprises a polymer formed by reacting a monomer of a thermally reversible polymer and the second component comprises a polymer formed by reacting a monomer of a pressure sensitive adhesive polymer, wherein the thermally reversible polymer is poly(N-methyl-N-n-propylacrylamide), poly(N-n-propylacrylamide), poly(N-methyl-N-isopropylacrylamide), poly(N-n-propylmethacrylamide), poly(N-isopropylacrylamide), poly(N,n-diethylacrylamide), poly(N-isopropylmethacrylamide), poly(N-cyclopropylacrylamide), poly(N-ethylmethylacrylamide), poly(N-methyl-N-ethylacrylamide), poly(N-cyclopropylmethacrylamide), poly(N-ethylacrylamide), or mixtures thereof, and wherein the monomer of a pressure sensitive adhesive polymer is acrylic acid, methyl acrylate, methyl methacrylate, ethylacrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, n-butyl acrylate, n-butyl methacrylate, n-pentyl acrylate, n-hexyl acrylate, n-hexyl methacrylate, n-heptyl acrylate, n-octyl acrylate, n-nonyl acrylate, lauryl acrylate, stearyl acrylate, stearyl methacrylate, behenyl acrylate, octadecylacrylate, ethylhexyl acrylate, or mixtures thereof. a core and a shell, wherein the shell is deposited on the core, wherein the core comprises a hydrogel, a clay, or mixtures thereof, wherein the hydrogel comprises polymerization products of 2-hydroxyethyl acrylate, 2-hydroxylethyl methacrylate, 4-hydroxybutyl acrylate, ethylene glycol methyl ether acrylate, hydroxypropyl acrylate, ethylene glycol diacrylate, N-vinylpyrrolidone, or mixtures thereof, wherein the shell comprises at least a first and a second component, wherein the first component comprises a polymer formed by reacting a monomer of a thermally reversible polymer and the second component comprises a polymer formed by reacting a monomer of a pressure sensitive adhesive polymer, wherein the thermally reversible polymer is poly(N-methyl-N-n-propylacrylamide), poly(N-n-propylacrylamide), poly(N-methyl-N-isopropylacrylamide), poly(N-n-propylmethacrylamide), poly(N-isopropylacrylamide), poly(N,n-diethylacrylamide), poly(N-isopropylmethacrylamide), poly(N-cyclopropylacrylamide), poly(N-ethylmethylacrylamide), poly(N-methyl-N-ethylacrylamide), poly(N-cyclopropylmethacrylamide), poly(N-ethylacrylamide), or mixtures thereof, and wherein the monomer of a pressure sensitive adhesive polymer is acrylic acid, methyl acrylate, methyl methacrylate, ethylacrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, n-butyl acrylate, n-butyl methacrylate, n-pentyl acrylate, n-hexyl acrylate, n-hexyl methacrylate, n-heptyl acrylate, n-octyl acrylate, n-nonyl acrylate, lauryl acrylate, stearyl acrylate, stearyl methacrylate, behenyl acrylate, octadecylacrylate, ethylhexyl acrylate, or mixtures thereof.