A dielectric welding film capable of achieving a tight welding through a short period of dielectric heating, and a welding method using the dielectric welding film are provided. The dielectric welding film is configured to weld a pair of adherends of the same material or different materials through dielectric heating, the dielectric welding film including a thermoplastic resin as an A component and a dielectric filler as a B component and satisfying the conditions (i) and (ii): (i) a melting point or softening point measured in accordance with JIS K 7121 (1987) is in a range from 80 to 200 degrees C.; and (ii) heat of fusion measured in accordance with JIS K 7121 (1987) is in a range from 1 to 80 J/g.

A dielectric welding film capable of achieving a tight welding through a short period of dielectric heating, and a welding method using the dielectric welding film are provided. The dielectric welding film is configured to weld a pair of adherends of the same material or different materials through dielectric heating, the dielectric welding film including a thermoplastic resin as an A component and a dielectric filler as a B component and satisfying the conditions (i) and (ii): (i) a melting point or softening point measured in accordance with JIS K 7121 (1987) is in a range from 80 to 200 degrees C.; and (ii) heat of fusion measured in accordance with JIS K 7121 (1987) is in a range from 1 to 80 J/g.

The present invention relates to a multilayer element (LE) and to a multilayer laminated glass layer element (GLE2), the use of the multilayer element (LE) and the multilayer laminated glass layer element (GLE2) for producing an article, an article comprising multilayer element (LE) or multilayer laminated glass layer element (GLE2), a layer element of at least two layers, the use of the polymer composition of the invention to produce a multilayer element (LE) or a multilayer laminated glass layer element (GLE2), as well as to a process for producing the multilayer element (LE) and an article thereof, as well as to a process for producing the multilayer laminated glass layer element (GLE2) and an article thereof.

The present invention relates to a multilayer element (LE) and to a multilayer laminated glass layer element (GLE2), the use of the multilayer element (LE) and the multilayer laminated glass layer element (GLE2) for producing an article, an article comprising multilayer element (LE) or multilayer laminated glass layer element (GLE2), a layer element of at least two layers, the use of the polymer composition of the invention to produce a multilayer element (LE) or a multilayer laminated glass layer element (GLE2), as well as to a process for producing the multilayer element (LE) and an article thereof, as well as to a process for producing the multilayer laminated glass layer element (GLE2) and an article thereof.

The present disclosure relates to: a curable petroleum resin, which includes a repeating unit derived from a petroleum resin monomer, a repeating unit derived from a silane monomer and a repeating unit derived from a styrene-based monomer, and is used as an additive for a reactive polyolefin-based adhesive composition so as to increase adhesiveness to a polyolefin-based substrate used for various components; a preparation method thereof; and a use thereof.

The present disclosure relates to: a curable petroleum resin, which includes a repeating unit derived from a petroleum resin monomer, a repeating unit derived from a silane monomer and a repeating unit derived from a styrene-based monomer, and is used as an additive for a reactive polyolefin-based adhesive composition so as to increase adhesiveness to a polyolefin-based substrate used for various components; a preparation method thereof; and a use thereof.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

The invention provides an assembly for fuel cell which has an excellent adhesive force in the presence of hot water, and a laminated body which is used for the assembly for fuel cell. The assembly for fuel cell comprises an adhesive resin layer containing a polyolefin having at least one group selected from the group consisting of an acidic group and an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g; and two or more members bonded with the adhesive resin layer interposed therebetween, wherein at least one of the members is a metal member having a ratio of a dipole term in surface free energy of 0.01% to 5.0%.

The invention provides an assembly for fuel cell which has an excellent adhesive force in the presence of hot water, and a laminated body which is used for the assembly for fuel cell. The assembly for fuel cell comprises an adhesive resin layer containing a polyolefin having at least one group selected from the group consisting of an acidic group and an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g; and two or more members bonded with the adhesive resin layer interposed therebetween, wherein at least one of the members is a metal member having a ratio of a dipole term in surface free energy of 0.01% to 5.0%.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.