Disclosed is an aqueous adhesive composition which comprises an admixture of: (a) a first aqueous composition comprising, (i) one or more film forming polymers, (ii) one or more lower crystallinity polynitroso compounds, (iii) one or more higher crystallinity polynitroso compounds, and (iv) one or more bismaleimide-containing monomers; and (b) a second aqueous composition comprising (i) an aqueous dispersion of at least one phenolic resin which is a condensation product of a phenol and formaldehyde, wherein the aqueous dispersion is stabilized by at least one polyacrylate; (b) one or more latices formed from one or more halogenated polyolefins; and (c) one or more metal oxides.

Disclosed is an aqueous adhesive composition which comprises an admixture of: (a) a first aqueous composition comprising, (i) one or more film forming polymers, (ii) one or more lower crystallinity polynitroso compounds, (iii) one or more higher crystallinity polynitroso compounds, and (iv) one or more bismaleimide-containing monomers; and (b) a second aqueous composition comprising (i) an aqueous dispersion of at least one phenolic resin which is a condensation product of a phenol and formaldehyde, wherein the aqueous dispersion is stabilized by at least one polyacrylate; (b) one or more latices formed from one or more halogenated polyolefins; and (c) one or more metal oxides.

A pressure-sensitive adhesive polymeric composition comprising: a butyl rubber; a polyurethane; an olefinic polymer component; and a filler that includes titanium dioxide, wherein said adhesive polymeric composition is pressure-sensitive, and where pressure-sensitive adhesive polymeric composition is a solids composition wherein said butyl rubber forms a matrix.

A pressure-sensitive adhesive polymeric composition comprising: a butyl rubber; a polyurethane; an olefinic polymer component; and a filler that includes titanium dioxide, wherein said adhesive polymeric composition is pressure-sensitive, and where pressure-sensitive adhesive polymeric composition is a solids composition wherein said butyl rubber forms a matrix.

An adhesive composition and use thereof for providing self-healing adhered roofing systems. The adhesive composition includes at least one rubber component, at least one organic solvent, and 12.5-40 wt.-% of at least one powdered superabsorber polymer, based on the total weight of the adhesive composition. Further, a self-healing membrane composite, to a method for forming a self-healing adhered roofing system, to a self-healing adhered roofing system and to use of at least one powdered superabsorber polymer in an adhesive for providing a self-healing adhered roofing system.

An adhesive composition and use thereof for providing self-healing adhered roofing systems. The adhesive composition includes at least one rubber component, at least one organic solvent, and 12.5-40 wt.-% of at least one powdered superabsorber polymer, based on the total weight of the adhesive composition. Further, a self-healing membrane composite, to a method for forming a self-healing adhered roofing system, to a self-healing adhered roofing system and to use of at least one powdered superabsorber polymer in an adhesive for providing a self-healing adhered roofing system.

Provided is a chloroprene-based polymer having an industrially applicable sufficient molecular weight and capable of obtaining a vulcanized rubber excellent in durability and fatigue endurance and an adhesive excellent in layer separation resistance. A chloroprene-based polymer having a number average molecular weight Mn of 150000 to 300000 and comprising a functional group of a structure represented by the general formula (1) or (2) below:

##STR00001##

(wherein in the general formula (1), R1 shows hydrogen, chlorine, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclyl group.)

Provided is a chloroprene-based polymer having an industrially applicable sufficient molecular weight and capable of obtaining a vulcanized rubber excellent in durability and fatigue endurance and an adhesive excellent in layer separation resistance. A chloroprene-based polymer having a number average molecular weight Mn of 150000 to 300000 and comprising a functional group of a structure represented by the general formula (1) or (2) below:

##STR00001##

(wherein in the general formula (1), R1 shows hydrogen, chlorine, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclyl group.)

A phase-separated polymeric composition is provided that comprises a first phase including polyurethane domains and a second phase including a butyl rubber matrix. A method is also provided for producing a polymer composition. The method includes providing a masterbatch composition that is prepared by combining a halogenated butyl rubber with at least one phenolic resin, introducing the masterbatch composition to a reactor, introducing to the reactor an isocyanate and a polyurethane catalyst to form a blend, and subjecting the blend to conditions sufficient to form a polyurethane.

A phase-separated polymeric composition is provided that comprises a first phase including polyurethane domains and a second phase including a butyl rubber matrix. A method is also provided for producing a polymer composition. The method includes providing a masterbatch composition that is prepared by combining a halogenated butyl rubber with at least one phenolic resin, introducing the masterbatch composition to a reactor, introducing to the reactor an isocyanate and a polyurethane catalyst to form a blend, and subjecting the blend to conditions sufficient to form a polyurethane.