A conveyor belt obtained by bonding together conveyor belts to be adhered using an adhesive rubber is provided. The conveyor belts to be adhered include a rubber composition containing an ethylene--olefin copolymer, an organic peroxide (X1), and carbon black (Y1), the organic peroxide (X1) being contained in an amount of from 0.011 to 0.020 molar equivalents relative to the ethylene--olefin copolymer in the conveyor belts to be adhered. The adhesive rubber includes a rubber composition containing an ethylene--olefin copolymer, an organic peroxide (X2), and carbon black (Y2), the organic peroxide (X2) being contained in an amount of from 0.017 to 0.022 molar equivalents relative to the ethylene--olefin copolymer in the adhesive rubber. A content ratio (X2/X1) of the organic peroxide (X2) to the organic peroxide (X1) is from 1.20 to 2.00.

The present invention relates to a self-adhesive tape comprising a carrier composed of a monoaxially oriented polypropylene film and a pressure-sensitive adhesive adapted to the carrier, to a method for producing the self-adhesive tape and to its use.

The present disclosure provides an adhesive composition. The adhesive composition includes: A) a propylene based plastomer or elastomer (PBPE) comprising up to 15 wt % units derived from ethylene and having (i) a Koenig B-value less than 1.0; (ii) a total unsaturation per mole of propylene from 0.010% to 0.030%; (iii) a density from 0.860 g/cc to 0.890 g/cc; (iv) a melt viscosity at 177 C. from 1,000 mPa.Math.s to 15,000 mPa.Math.s; and (v) a weight average molecular weight from 20,000 to 50,000 g/mole.

A method for adhering together rubbers to be adhered including a rubber composition containing an ethylene--olefin copolymer, an organic peroxide (X1), and carbon black (Y1), using a rubber for adhesion including a rubber composition containing an ethylene--olefin copolymer, an organic peroxide (X2), and carbon black (Y2) at an adhesive interface, wherein contents of the organic peroxide (X1) in the rubber to be adhered and the organic peroxide (X2) in the rubber for adhesion are predetermined contents, and a content ratio (X2/X1) of the organic peroxide (X2) to the organic peroxide (X1) is from 1.20 to 2.00.

The invention features a hot melt adhesive composition that can be applied at temperatures as low as 107 C., while maintaining excellent bonding under stress and a very fast setting time

Objective of the invention is to provide a hot-melt adhesive excellent in thermal resistance, good in adhesiveness over a wide range from low temperature to high temperature, and also excellent in thermal stability. Means for solving the problem is a hot-melt adhesive comprising an olefin copolymer (A), a tackifying resin (B) and a wax (C), wherein the olefin copolymer (A) comprises a metallocene-type ethylene/-olefin copolymer (A1) having a melting point of 100 to 140 C.

Propylene-based elastomer compositions that include a blend of a majority polymer fraction having a higher Mw and a minority polymer fraction having a lower Mw, methods of making same, and hot melt adhesives including such compositions. The polymer blend compositions can include: a major polymer fraction having a Mw of about 100,000 to about 300,000 and a melt flow rate of about 0.1 g/10 min to about 70.0 g/10 min, according to ASTM D1238; and a minor polymer fraction having a Mw of about 5,000 to about 60,000 and a Brookfield viscosity of about 500 cP to about 50,000 cP, according to ASTM D-3236 (190 C.), wherein an amount of the at least one other polyolefin comonomer in the minor polymer fraction is at least 7 wt % less than an amount of the at least one other polyolefin comonomer in the major polymer fraction.

The present invention relates to a sealing device (1) which comprises a barrier layer (2) with a thermoplastic polymer P1, and an adhesive layer (3) with at least one ethylene-vinyl acetate copolymer (EVA) P2 and azo-dicarbonamide A, and which is suitable for sealing bases in the building sector. The invention further relates to a method for sealing said bases. The method according to the invention allows structures of civil engineering to be sealed rapidly and efficiently and ensures good adhesion of the sealing device on the base.

The present invention relates to a sealing device (1) comprising a barrier layer (2) and an adhesive layer (3), and which is suitable for sealing bases in the building sector. The adhesive layer comprises a polymer P2, the polymer P2 being polyethylene (PE), polypropylene (PP) or a copolymer of ethylene and propylene, and a polyolefin-based polymer P3, the polymer P3 having at least one functional group which is selected from the group consisting of carboxylic acids, OH-groups, anhydrides, acetates and glycidyl methacrylate, and azo-dicarbonamide A. The invention further relates to a method for sealing the said bases. The method according to the invention allows structures of civil engineering to be sealed rapidly and efficiently and ensures good adhesion of the sealing device on the base.

A membrane composite comprising a polymeric membrane panel, an adhesive layer, and a release member, where the adhesive layer is a pressure-sensitive adhesive that is at least partially cured, and where the adhesive layer has a thickness of at least 102 m.