The present disclosure provides an article. The article includes a crosslinked foam composition, an adhesive layer, and a substrate composed of an olefin-based polymer. The crosslinked foam composition includes an ethylene/a-olefin multi-block copolymer, an ethylene/propylene/diene terpolymer (EPDM), optional silicone rubber, optional blend component selected from ethylene/aolefin random copolymer, ethylene-vinyl acetate copolymer (EVA), styrene-butadiene block copolymer, hydrogenated styrene-butadiene block copolymer, and combinations thereof, optional plasticizer, optional filler, and optional additive.

This invention relates to rigid polyurethane foams which are co-blown with a mixture of a hydrocarbon blowing agent and a halogenated olefin blowing agent. This invention also relates to a process for preparing these rigid polyurethane foams, and to an isocyanate-reactive component containing a polyol blend and the mixture of blowing agents. Phase stable isocyanate-reactive blends are also described.

A composition including at least one moisture-curable, semi-crystalline (meth)acrylic oligomer represented by the formula:

##STR00001##

wherein R.sub.1 is independently a C.sub.16 to C.sub.40 alkyl group; R.sub.2 is independently a C.sub.16 to C.sub.40 alkyl group; each R.sub.3 is independently a methyl, ethyl, or isopropyl group; X is a chain transfer agent as defined further below; Y is independently selected to be a methyl, ethyl, or isopropyl group; a, b and c are each independently selected to be an integer of at least 10, and a+b+c≦1500; n≧1; and p is 0, 1, 2, or 3. The oligomer may be used advantageously as a coating, primer or adhesion promoter in construction articles, for example, adhesives, caulks, grouts, pavement markings, paving materials, ceramic tiles, or roofing granules.

Novel methods for producing porous silicone compositions are disclosed. Methods of this invention provide improved processes for preparing porous silicone rubbers having low specific gravity and mainly closed cells which are suitable for highly permeable gas penetration while adequately sealing liquid material. Examples of these sealing materials include but are not limited to encapsulants for bioindicators and syringe sealing components wherein the permeability is sufficient to permit sterilization while preventing passage or leaking of liquids to be sterilized through the described silicone materials.

The present invention provides a thermally conductive composition in which the flexibility of the thermally conductive composition is not impaired, and even when cured into a thermally conductive molded body, good bendability, an excellent handling property, and excellent thermal conductivity are exhibited, and provides a molded body of the thermally conductive composition. A thermally conductive composition, in which a thermally conductive filler is contained in a polymer matrix, includes a methyl phenyl silicone, characterized in that the thermally conductive filler has an average particle size of 10 to 100 μm, the content of the thermally conductive filler in the thermally conductive composition is 70% to 90% by volume, and 30% to 80% by volume of the thermally conductive filler has a particle size of 40 μm or more. A thermally conductive molded body is formed of a cured body of the thermally conductive composition.

A composition that makes it easy to form a hard coat having both high hardness and high transparency regardless of the surface hardness level of the article to be hard-coated; a method for producing an article having a hard coat using such a composition; a hard coat including a cured product of such a composition; a hard-coated article having such a hard coat; and a silane-modified alicyclic compound suitable for use as a component of such a composition. The composition includes a silane-modified alicyclic compound that is a mixture of products of reaction of an alicyclic tetracarboxylic dianhydride with an aminosilane compound having a specific structure with a hydrolyzable silyl group.

The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a water soluble polysaccharide, at least one compound suitable to react as cross-linker for the polysaccharide or to release a cross-linker for the polysaccharide, and water, and preparing a gel (A) comprising exposing mixture (I) to carbon dioxide at a pressure in the range of from 20 to 100 bar for a time sufficient to form a gel (A), and depressurizing the gel (A). Gel (A) subsequently is exposed to a water miscible solvent (L) to obtain a gel (B), which is dried. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material, for cosmetic applications, for biomedical applications or for pharmaceutical applications.

The present invention provides a thermally conductive composition in which the flexibility of the thermally conductive composition is not impaired, and even when cured into a thermally conductive molded body, good bendability, an excellent handling property, and excellent thermal conductivity are exhibited, and provides a molded body of the thermally conductive composition. A thermally conductive composition, in which a thermally conductive filler is contained in a polymer matrix, includes a methyl phenyl silicone, characterized in that the thermally conductive filler has an average particle size of 10 to 100 m, the content of the thermally conductive filler in the thermally conductive composition is 70% to 90% by volume, and 30% to 80% by volume of the thermally conductive filler has a particle size of 40 m or more. A thermally conductive molded body is formed of a cured body of the thermally conductive composition.

A roof element and a process for the production of a roof element are provided, which may have the steps of providing a polymer mixture; admixing an organosiloxane compound with the polymer mixture; a mixing of the polymer mixture, with the organosiloxane compound admixed, with an isocyanate compound to give a polyurethane material and introduction of the polyurethane material into a mold cavity of a foaming mold in a manner such that the polyurethane material reacts to completion and a molded section of the roof element is shaped in the mold cavity wherein the organosiloxane compound is accumulated at the surface of the molded section, wherein in a surface layer of thickness from 0.5 m to 20 m of the molded section, the organosiloxane compound is accumulated; and demolding of the roof element from the foaming mold.

Disclosed is a composition for a heat dissipation pad, for example, a heat dissipation sheet in a cooling system for a water-cooling-type battery pack in a vehicle, for example, an electric vehicle. The heat dissipation pad may dissipate heat generated from the battery pack. Further disclosed is a method of manufacturing a heat dissipation pad having high thermal conductivity and low specific gravity. The composition may include the polymer composition including a carbon fiber, aluminum hydroxide and hollow glass beads.