An adhesive includes a polymeric latex, a penetrant selected from the group consisting of: terpenes, polylimonene, limonene, carvone, α-pinene, citral, dipentene, 1,8-cineole, eucalyptol, citronellol, geraniol, citronellene, terpinen-4-ol, borneol, camphor, guayule resin, and combinations thereof; and a reinforcing filler. The adhesive has a solids content of 35-65% and a pH of 9 to 12. Articles of manufacture, such as tires and air springs incorporate the adhesive to join rubber interfaces. A method of making the adhesive is also is provided.

There is provided an adhesive agent exhibiting high adhesive strength to polyolefin. An adhesive agent contains a chloroprene copolymer latex containing a chloroprene copolymer (A) and a metal oxide (B). The chloroprene copolymer (A) is a copolymer of a monomer group containing chloroprene (A-1), α,β-unsaturated carboxylic acid (A-2), and 2,3-dichloro-1,3-butadiene (A-3). The chloroprene copolymer (A) has a tetrahydrofuran-soluble component soluble in tetrahydrofuran and the weight average molecular weight of the tetrahydrofuran-soluble component is 80000 or more and 140000 or less. When the amount of the metal oxide (B) based on 100 parts by mass of the chloroprene copolymer (A) is defined as Y part(s) by mass and the weight average molecular weight of the tetrahydrofuran-soluble component is defined as X, the content of the metal oxide (B) satisfies Formula: −1.2×X/100000+1.6<Y<−4.2×X/100000+5.7.

There is provided an adhesive agent exhibiting high adhesive strength to polyolefin. An adhesive agent contains a chloroprene copolymer latex containing a chloroprene copolymer (A) and a metal oxide (B). The chloroprene copolymer (A) is a copolymer of a monomer group containing chloroprene (A-1), α,β-unsaturated carboxylic acid (A-2), and 2,3-dichloro-1,3-butadiene (A-3). The chloroprene copolymer (A) has a tetrahydrofuran-soluble component soluble in tetrahydrofuran and the weight average molecular weight of the tetrahydrofuran-soluble component is 80000 or more and 140000 or less. When the amount of the metal oxide (B) based on 100 parts by mass of the chloroprene copolymer (A) is defined as Y part(s) by mass and the weight average molecular weight of the tetrahydrofuran-soluble component is defined as X, the content of the metal oxide (B) satisfies Formula: −1.2×X/100000+1.6<Y<−4.2×X/100000+5.7.

There is provided an adhesive agent exhibiting high adhesive strength to polyolefin. An adhesive agent contains a chloroprene copolymer latex containing a chloroprene copolymer (A) and a metal oxide (B). The chloroprene copolymer (A) is a copolymer of a monomer group containing chloroprene (A-1), α,β-unsaturated carboxylic acid (A-2), and 2,3-dichloro-1,3-butadiene (A-3). The chloroprene copolymer (A) has a tetrahydrofuran-soluble component soluble in tetrahydrofuran and the weight average molecular weight of the tetrahydrofuran-soluble component is 80000 or more and 140000 or less. When the amount of the metal oxide (B) based on 100 parts by mass of the chloroprene copolymer (A) is defined as Y part(s) by mass and the weight average molecular weight of the tetrahydrofuran-soluble component is defined as X, the content of the metal oxide (B) satisfies Formula: −1.2×X/100000+1.6<Y<−4.2×X/100000+5.7.

A method for producing a chloroprene graft copolymer latex includes a step of adding an ethylenic double bond-containing silane coupling agent (B) to a chloroprene polymer latex and graft copolymerizing the ethylenic double bond-containing silane coupling agent (B) to the chloroprene polymer (A) in the chloroprene polymer latex at 10° C. to 50° C. (inclusive). The amount of the ethylenic double bond-containing silane coupling agent (B) added is 0.4 parts by mass to 9.0 parts by mass (inclusive) per 100 parts by mass of the chloroprene polymer (A). The present invention also relates to an adhesive containing the chloroprene graft copolymer latex and to a method for using the adhesive. The present invention can provide a method for producing a chloroprene graft copolymer latex containing no organic solvent and having high adhesive strength to glass, an adhesive containing the same, and a method for using the adhesive.

The present invention relates to (1) a latex for an adhesive composition, the latex for an adhesive composition (A) containing a polymer of an ethylenic unsaturated monomer (al), a surfactant (a2), and an aqueous medium, the polymer of an ethylenic unsaturated monomer (al) having a carboxy group, the polymer of an ethylenic unsaturated monomer (al) having an average particle diameter of 0.30 to 5.00 μm, (2) a latex for an adhesive composition, the latex for an adhesive composition (A) containing a polymer of an ethylenic unsaturated monomer (al), a surfactant (a2), and an aqueous medium, the polymer of an ethylenic unsaturated monomer (al) having a carboxy group and a crosslinked structure, and (3) an adhesive composition containing the latex for an adhesive composition (A) and a chloroprene based polymer latex (B).

The present invention relates to (1) a latex for an adhesive composition, the latex for an adhesive composition (A) containing a polymer of an ethylenic unsaturated monomer (al), a surfactant (a2), and an aqueous medium, the polymer of an ethylenic unsaturated monomer (al) having a carboxy group, the polymer of an ethylenic unsaturated monomer (al) having an average particle diameter of 0.30 to 5.00 μm, (2) a latex for an adhesive composition, the latex for an adhesive composition (A) containing a polymer of an ethylenic unsaturated monomer (al), a surfactant (a2), and an aqueous medium, the polymer of an ethylenic unsaturated monomer (al) having a carboxy group and a crosslinked structure, and (3) an adhesive composition containing the latex for an adhesive composition (A) and a chloroprene based polymer latex (B).

Provided is a method for producing a chloroprene graft copolymer latex containing no organic solvent and exhibiting high adhesive strength even for soft polyvinyl chloride. A method for producing a chloroprene graft copolymer latex includes a chloroprene polymerization step of giving a chloroprene polymer latex and a graft copolymerization step of giving a chloroprene graft copolymer latex. The chloroprene polymerization step is a step of subjecting at least chloroprene (A-1) of chloroprene (A-1) and a monomer (A-2) copolymerizable with chloroprene (A-1) to emulsion radical polymerization. The graft copolymerization step is a step of adding, to the chloroprene polymer latex, a (meth)acrylate (B) and an organic peroxide (C) having an octanol/water partition coefficient of −2.0 or more and 3.0 or less to subject the chloroprene polymer to graft copolymerization with the (meth)acrylate (B) at a temperature of 10° C. or more and 40° C. or less.

Provided is a method for producing a chloroprene graft copolymer latex containing no organic solvent and exhibiting high adhesive strength even for soft polyvinyl chloride. A method for producing a chloroprene graft copolymer latex includes a chloroprene polymerization step of giving a chloroprene polymer latex and a graft copolymerization step of giving a chloroprene graft copolymer latex. The chloroprene polymerization step is a step of subjecting at least chloroprene (A-1) of chloroprene (A-1) and a monomer (A-2) copolymerizable with chloroprene (A-1) to emulsion radical polymerization. The graft copolymerization step is a step of adding, to the chloroprene polymer latex, a (meth)acrylate (B) and an organic peroxide (C) having an octanol/water partition coefficient of −2.0 or more and 3.0 or less to subject the chloroprene polymer to graft copolymerization with the (meth)acrylate (B) at a temperature of 10° C. or more and 40° C. or less.

The invention relates to a textile bonding composition comprising a salt of lignosulfonate, an aldehyde hardener thereof, and an elastomer latex. The lignosulfonate salt may be sodium, potassium, magnesium, ammonium, or calcium lignosulfonate. The invention also relates to the use of such a composition for imparting adhesion properties to a reinforcement textile, with regard to a rubber, a reinforcement textile, in particular yarn, cord or textile structure, at least partially coated and/or impregnated with this composition, and a part made of rubber or comprising a rubber, in which the rubber comprises at least one reinforcement textile, on the surface and/or integrated inside the rubber.