The chloroprene adhesive system according to the invention guarantees, even at high temperatures, improved stability of the adhesive bond compared to an adhesive bond produced using conventional multi-component adhesives. The chloroprene adhesive system comprises a first component (A), which contains inter alia an unsaturated elastomer, in particular chloroprene rubber. In addition, the first component (A) comprises an additive, in particular a metal oxide and preferably zinc oxide. Furthermore, the chloroprene adhesive system contains as a second component (B) a halogenated reactive curing resin and preferably a brominated reactive curing resin.

The chloroprene adhesive system according to the invention guarantees, even at high temperatures, improved stability of the adhesive bond compared to an adhesive bond produced using conventional multi-component adhesives. The chloroprene adhesive system comprises a first component (A), which contains inter alia an unsaturated elastomer, in particular chloroprene rubber. In addition, the first component (A) comprises an additive, in particular a metal oxide and preferably zinc oxide. Furthermore, the chloroprene adhesive system contains as a second component (B) a halogenated reactive curing resin and preferably a brominated reactive curing resin.

The chloroprene adhesive system according to the invention guarantees, even at high temperatures, improved stability of the adhesive bond compared to an adhesive bond produced using conventional multi-component adhesives. The chloroprene adhesive system comprises a first component (A), which contains inter alia an unsaturated elastomer, in particular chloroprene rubber. In addition, the first component (A) comprises an additive, in particular a metal oxide and preferably zinc oxide. Furthermore, the chloroprene adhesive system contains as a second component (B) a halogenated reactive curing resin and preferably a brominated reactive curing resin.

Aqueous-based adhesive composition comprising a mixture of polycholorprenes, at least one self-crosslinkable agent of alkyd type and at least one filler, 2) use of such a composition as contact adhesive, 3) multilayer structure assembled with the aid of the adhesive composition 1).

Aqueous-based adhesive composition comprising a mixture of polycholorprenes, at least one self-crosslinkable agent of alkyd type and at least one filler, 2) use of such a composition as contact adhesive, 3) multilayer structure assembled with the aid of the adhesive composition 1).

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.

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.

The present invention relates to a contact adhesive composition based on chloroprene rubber, to a preparation method of the contact adhesive composition and to a method of bonding substrate by using the contact adhesive composition. In particular, the present invention relates to a contact adhesive composition comprising a fast-crystallizing chloroprene rubber and a slowly-crystallizing chloroprene rubber.

The present invention relates to a contact adhesive composition based on chloroprene rubber, to a preparation method of the contact adhesive composition and to a method of bonding substrate by using the contact adhesive composition. In particular, the present invention relates to a contact adhesive composition comprising a fast-crystallizing chloroprene rubber and a slowly-crystallizing chloroprene rubber.

The present invention relates to a contact adhesive composition based on chloroprene rubber, to a preparation method of the contact adhesive composition and to a method of bonding substrate by using the contact adhesive composition. In particular, the present invention relates to a contact adhesive composition comprising a fast-crystallizing chloroprene rubber and a slowly-crystallizing chloroprene rubber.