Contact adhesive compositions comprising polychloroprene and, based on the polychloroprene content, 10 to 99 wt % of ethylene-vinyl acetate copolymer exhibit outstanding adhesion to substrates such as ethylene-vinyl acetate copolymers, thermoplastic elastomers or flexible PVC. The contact adhesive compositions of the invention are especially suitable for use in the bonding of articles, preferably articles in which at least part of the articles to be bonded consists of polyurethane, flexible PVC, ethylene-vinyl acetate copolymers and/or thermoplastic elastomers. This allows the adhesive composition to be employed widely in the footwear industry, for the bonding of roofing membranes containing flexible PVC, ethylene-propylene-diene rubber (EPDM) and/or ethylene-vinyl acetate copolymers, or for the bonding of synthetic leather based on flexible PVC.

A power transmission V-belt includes a tension member, an adhesion rubber layer in which at least part of the tension member is embedded, and a tension rubber layer and a compression rubber layer stacked via the adhesion rubber layer. A rubber hardness of the tension rubber layer is smaller than a rubber hardness of the compression rubber layer. In the adhesion rubber layer, a rubber hardness on a tension rubber layer side relative to the tension member is smaller than a rubber hardness on a compression rubber layer side.

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.

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.

In an embodiment a solvent composition can comprise, based on the total volume of the solvent composition, 10 to 95 volume percent of a first solvent, wherein the first solvent has Hansen solubility parameters of: 15 MPa.sup.0.5.sub.D17 MPa.sup.0.5, 4.sub.P10.5 MPa.sup.0.5, and 7.sub.H10 MPa.sup.0.5; 5 to 95 volume percent of a second solvent, wherein the second solvent has Hansen solubility parameters of: 16 MPa.sup.0.5.sub.D17.5 MPa.sup.0.5, 0.sub.P3 MPa.sup.0.5, and 0.sub.H3 MPa.sup.0.5; and 0 to 85 volume percent parachlorobenzotrifluoride; wherein the amounts of the first solvent, the second solvent, and parachlorobenzotrifluoride sum to at least 85 volume percent. The first solvent can comprise methyl acetate, acetone, dimethyl carbonate, ethyl acetate, n-butylamine, propyl acetate, tetrahydrofuran, or a combination thereof. The second solvent can comprise cyclohexene, cyclohexane, cyclopentane, methylcyclohexane, or a combination thereof. The solvent compositions are particularly useful in an adhesive composition. An adhesive composition includes the solvent composition, a rubber, and a tackifying resin. A method of bonding two surfaces is also described.

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.

The object of the invention is a low-fogging adhesive tape for enveloping elongated objects, in particular a low-fogging wrapping tape for bundling cables in automobiles. The latter has a support and an adhesive coating on at least one side of the support. According to the invention, a synthetic-rubber-based coating is used as the adhesive coating.

A hot melt adhesive film for bonding an ethylene-vinyl acetate form and a rubber includes a hot melt adhesive film layer and a release film layer. The hot melt adhesive film layer is prepared by the following raw materials in parts by weight: a 20-50 parts by weight of polyethylene-ester copolymer, a 5-15 parts by weight of rubber, a 15-55 parts by weight of thermoplastic polyolefin, a 5-20 parts by weight of tackifier and a 5-30 parts by weight of auxiliary. The release film layer is releasably adhered to the hot melt adhesive film layer.

Provided is a one-component aqueous spray adhesive. The spray adhesive includes an aqueous chloroprene dispersion, where the increase of the Shore A hardness of the formed adhesive film in 0 to 10 hours accounts for equal to or more than 90% of the increase of the Shore A hardness of the formed adhesive film in 0 to 1000 hours; a styrene-acrylate copolymer dispersion having a solid content of 15% by weight to 25% by weight, relative to the total weight of solids of the aqueous chloroprene dispersion; a polyol ester without hydroxyl groups in an amount of 0.9% by weight to 3.8% by weight, relative to the total weight of the aqueous spray adhesive; and an amino acid in an amount of 4% by weight to 15% by weight, relative to the total weight of the aqueous chloroprene dispersion.

A frictional power transmission belt is provided, containing an adhesion rubber layer in contact with at least a portion of a tension member extending in a longitudinal direction of the belt, in which the adhesion rubber layer is formed of a first vulcanized rubber composition containing a rubber component and a filler, the filler contains subsantially no silica and contains 30 parts by mass or more of carbon black based on 100 parts by mass of the rubber component, and the tension member has, on a surface thereof, an overcoat layer formed of a second vulcanized rubber composition containing a rubber component and silica.