A material for sealing, adhering, or structural reinforcement or some combination thereof, comprising a primary blowing agent for imparting cellular structures within the material during initial manufacturing of the material, a polymeric base material that has adhesive characteristics, sealing characteristics, or some combination thereof, a curing agent for curing the material via a stimulus, and optionally a secondary blowing agent for forming additional cellular structures within the material.

A rubber composition is provided. The rubber roller including a roller body formed of a porous body formed by foaming and crosslinking the rubber composition and an image forming device including the rubber roller are also provided. In the rubber composition, fine porous particles of at least one type selected from a group consisting of zeolite, activated carbon, and diatomite along with a crosslinking component and a foaming component are mixed into a rubber that contains at least one type selected from a group consisting of diene-based rubbers and ethylene propylene-based rubbers and an ion-conductive rubber. A rubber roller includes a roller body that is formed by cylindrically extrusion-molding and crosslinking the rubber composition. An image forming device has the rubber roller 1 assembled thereinto.

Tire combining low elastic modulus at low temperatures with high hysteresis loss at low temperatures having excellent on-ice brake performance, and vulcanized rubber and a rubber composition from which the tire is obtained. A rubber composition comprising rubber component comprising a natural rubber, a polybutadiene rubber, and a styrene-butadiene copolymer rubber, and 50 to 90 parts by mass of a filler comprising silica relative to 100 parts by mass of the rubber component, wherein the mass n of the natural rubber in the rubber component is 40% by mass or more, the mass n, the mass b of the polybutadiene rubber, and the mass s of the styrene-butadiene copolymer rubber satisfy the relation: sbn, provided that when n=b, s<b, and 50% by mass or more of the silica is comprised in a phase comprising the polybutadiene rubber and the styrene-butadiene copolymer rubber.

The present invention relates to a process for foaming thermoplastic elastomers comprising a blowing agent, where the elastomer is heated by means of electromagnetic radiation to such an extent that the elastomer at least partly melts and foams to give a foam, wherein the frequency of the electromagnetic radiation is in the range from 0.01 GHz to 300 GHz. Further subject matter encompasses materials suitable for this process and the use thereof.

The present invention provides a highly dispersible metallic acrylate composition containing specific content of a graphene, a flake graphite or a combination thereof as a thermally conductive powder, and thus has better stability and dispersivity, which leads to advantages of low adhesion to the metal surface and ease of mixing in resin. Moreover, the metallic acrylate composition can be applied to resin composition as an auxiliary crosslinking coagent for enhancing mechanical strength and good uniformity of cell dispersion in the foamed product, such that the foamed products can be used as architectural materials, materials of daily commodities, vehicle materials, damping and cushioning materials, packing materials, sport pad materials, or shoe materials.

The subject matter of the present application is thermally-expandable preparations, containing (a) at least one peroxide-crosslinkable polymer, (b) at least one low-molecular, multifunctional acrylate, (c) at least one peroxide and (d) at least two different chemical propellants, the mass ratio of the at least one peroxide to the at least one low-molecular, multifunctional acrylate being at least 1:3.

The invention provides a composition comprising at least one oil, and a first composition comprising the following: A) a first composition A comprising an ethylene/-olefin/non-conjugated diene interpolymer A, B) an ethylene/-olefin/non-conjugated diene interpolymer B; and wherein the weight ratio of component A to component B is from 1/1 to 20/1; wherein the Mw of the ethylene/-olefin/non-conjugated diene B is greater than the Mw of the first composition A; and wherein the composition has a Mooney Viscosity (ML1+4, 100 C) from 20 to 100.

A polymer composition with increased melt strength is disclosed. The polymer composition contains at least one polypropylene polymer combined with at least one melt strength modifier. The melt strength modifier can comprise a sorbitol derivative in an amount sufficient to change the melt strength characteristics and properties of the polymer. The polymer composition can be used in thermoforming processes and to produce polymer foams. The melt strength modifier can increase the melt strength of the polymer without having to induce branching in the polypropylene polymer.

What is described is a polymer which is a polyurethane polymer having blocked isocyanate groups or a reaction product of said polyurethane polymer with at least one epoxy resin, where the polyurethane polymer having blocked isocyanate groups is an addition product formed from at least one polyisocyanate and at least one polyester polyol, wherein the isocyanate groups of the addition product have been blocked by reaction with at least one aromatic compound having at least one hydroxyl group. Such a polymer is suitable as an impact modifier in epoxy resin compositions, especially when they are used as adhesives or structural foams. The polymer improves the corrosion resistance and vertical expansion of the epoxy resin composition.

The present application relates to a thermally expandable composition containing an endothermic chemical blowing agent, to shaped bodies containing said composition and to a method for sealing and filling cavities in components, for strengthening or reinforcing components, in particular hollow components, and for bonding movable components using shaped bodies of this type.