Abstract: The present invention relates to a polyolefin resin foam which includes a polyolefin resin composition includes: (A) a rubber and/or a thermoplastic elastomer; (B) a polyolefin resin; and (C) at least one aliphatic compound selected from an aliphatic acid, an aliphatic acid amide and an aliphatic acid metallic soap, the compound having a polar functional group and having a melting point of 50 to 150° C., in which a content of the aliphatic compound is 1 to 5 parts by weight based on 100 parts by weight of the total amount of the rubber and/or thermoplastic elastomer and the polyolefin resin. The polyolefin resin foam of the invention is excellent in flexibility and cushioning properties, and has good processability, especially excellent cutting processability.

Abstract: An object of the invention is to provide a polyolefin resin foam which is excellent in flexibility, cushioning property and processability, especially excellent in cutting processability. The present invention relates to a polyolefin resin foam obtained by foaming a polyolefin resin composition using carbon dioxide in a supercritical state, wherein the polyolefin resin composition contains at least: (1) a thermoplastic elastomer composition obtained by subjecting to a dynamically heat treatment a mixture of (A) a rubber, and (B) (B-1) an ?-olefin crystalline thermoplastic resin and/or (B-2) an ?-olefin amorphous thermoplastic resin, each having a melt tension of less than 3.0 cN at a temperature of 210° C. and at a take-up speed of 2.0 m/min, in the presence of (C) a crosslinking agent; (2) a polyolefin resin; and (3) a nucleant agent having an average particle diameter of from 0.1 ?m to less than 2.0 ?m. The polyolefin resin foam has a density, for example, of 0.2 g/cm2 or less.

Abstract: The invention provides an adhesive sheet for steel plate that can abate the emission of organic volatile components, while providing good reinforcing effect and vibration suppression effect. In an adhesive sheet for steel plate is provided that includes a restricting layer and a resin layer, the restricting layer having a resin-coated glass fiber cloth made by weaving glass fiber bundles, which are formed by bundling a plurality of glass filaments, into a glass fiber cloth and impregnating epoxy resin composition in the glass fiber cloth, the resin-coated glass fiber cloth having air permeability of not more than 0.5 cm3/cm2/sec. and a permeability rate of the epoxy resin composition to the glass fiber bundles in the range of 20-70%.

Abstract: A steel plate reinforcing sheet includes a restricting layer and a reinforcing layer, the reinforcing layer being formed of foam composition including styrene synthetic rubber, aromatic epoxy resin, and a foaming agent. A total thickness of the restricting layer and reinforcing layer is not more than 3.5 mm, and the steel plate reinforcing sheet is formed to have adhesion at 5° C. to an oiled, cold-rolled steel plate of not less than 2.0N/25 mm and also has bending strength of not less than 18N after being heated at 160° C. for twenty minutes. This ensures both sufficient adhesion to the steel plate and sufficient reinforcement of the same steel plate. Thus, this steel plate reinforcing plate, when adhesively bonded to a steel plate used in a variety of industrial machines properly and then foamed, can provide an effective reinforcement of the steel plate by forming the steel reinforcing plate bonded to the steel plate.

Abstract: To provide a dustproofing material having superior dustproofness and having such superior flexibility as to fit in a further minute clearance typically of 0.10 to 0.20 mm. Disclosed is a foam dustproofing material which is a dustproofing material including a foam having a thickness of 0.1 to 1.0 mm, in which the foam has a micro cell structure with an average cell diameter of 10 to 65 ?m, has such characteristic properties as to give a load against repulsion of from 0.010 to 0.100 MPa upon compression to a thickness of 0.1 mm, and has an apparent density of 0.01 to 0.050 g/cm3. The foam preferably has a closed cell structure or semi-open/semi-closed cell structure. The foam dustproofing material may further include a pressure-sensitive adhesive layer on one or both sides of the foam. The pressure-sensitive adhesive layer is preferably present above the foam through a film layer.

Abstract: The present invention relates to a light-reflecting member including a polyolefin resin foam as a light-reflecting layer, the polyolefin resin foam being obtained by foam molding a resin composition containing a polyolefin resin. According to the light-reflecting member of the invention, since it has the above-mentioned constitution, the light-reflecting member is excellent in light reflection, impact-absorbing property, and lightness in weight. Moreover, the process for producing a light-reflecting member of the invention can provide a light-reflecting member excellent in light reflection, impact-absorbing property, and lightness in weight by using a polyolefin resin foam.

Abstract: The present invention relates to a polyolefin resin foam which includes a polyolefin resin composition includes: (A) a rubber and/or a thermoplastic elastomer; (B) a polyolefin resin; and (C) at least one aliphatic compound selected from an aliphatic acid, an aliphatic acid amide and an aliphatic acid metallic soap, the compound having a polar functional group and having a melting point of 50 to 150° C., in which a content of the aliphatic compound is 1 to 5 parts by weight based on 100 parts by weight of the total amount of the rubber and/or thermoplastic elastomer and the polyolefin resin. The polyolefin resin foam of the invention is excellent in flexibility and cushioning properties, and has good processability, especially excellent cutting processability.

Abstract: An object of the invention is to provide a polyolefin resin foam which is excellent in flexibility, cushioning property and processability, especially excellent in cutting processability. The present invention relates to a polyolefin resin foam obtained by foaming a polyolefin resin composition using carbon dioxide in a supercritical state, wherein the polyolefin resin composition contains at least: (1) a thermoplastic elastomer composition obtained by subjecting to a dynamically heat treatment a mixture of (A) a rubber, and (B) (B-1) an ?-olefin crystalline thermoplastic resin and/or (B-2) an ?-olefin amorphous thermoplastic resin, each having a melt tension of less than 3.0 cN at a temperature of 210° C. and at a take-up speed of 2.0 m/min, in the presence of (C) a crosslinking agent; (2) a polyolefin resin; and (3) a nucleant agent having an average particle diameter of from 0.1 ?m to less than 2.0 ?m. The polyolefin resin foam has a density, for example, of 0.2 g/cm2 or less.

Abstract: A pressure-sensitive adhesive sheet for steel plates, which comprises a backing and a resin layer, wherein the backing comprises a resin-coated glass cloth obtainable by coating a glass cloth with a resin emulsion (A) followed by coating with a resin emulsion (B) which is different from the resin emulsion (A).

Abstract: The invention provides an adhesive sheet for steel plate that can abate the emission of organic volatile components, while providing good reinforcing effect and vibration suppression effect. In an adhesive sheet for steel plate comprising a restricting layer and a resin layer, the restricting layer comprises a resin-coated glass fiber cloth made by weaving glass fiber bundles, which are formed by bundling a plurality of glass filaments, into a glass fiber cloth and impregnating epoxy resin composition in the glass fiber cloth, the resin-coated glass fiber cloth having air permeability of not more than 0.5 cm3/cm2/sec. and a permeability rate of the epoxy resin composition to the glass fiber bundles in the range of 20-70%.

Abstract: A pressure-sensitive adhesive sheet for steel plates, which comprises a backing and a resin layer, wherein the backing comprises a resin-coated glass cloth obtainable by coating a glass cloth with a resin emulsion (A) followed by coating with a resin emulsion (B) which is different from the resin emulsion (A).

Abstract: The invention provides a steel plate reinforcing sheet that can provide improvement in adhesiveness as well as in reinforcement. In the steel plate reinforcing sheet comprising a restricting layer 1 and a reinforcing layer 2, the reinforcing layer 2 is formed of foam composition comprising styrene synthetic rubber, aromatic epoxy resin, and a foaming agent. Also, in the steel plate reinforcing sheet, a total thickness of the restricting layer 1 and reinforcing layer 2 is not more than 3.5 mm, and the steel plate reinforcing sheet is formed to have adhesion at 5° C. to an oiled, cold-rolled steel plate of not less than 2.0N/25 mm and also has bending strength of not less than 18N after heated at 160° C. for twenty minutes. This can satisfy both of the adhesion and the reinforcement which have been incompatible with each other hitherto, ensuring both sufficient adhesion to the steel plate and sufficient reinforcement of the same steel plate.

Abstract: A base film for pressure-sensitive adhesive tapes and sheets which comprises a tackifier resin; and a pressure-sensitive adhesive tape or sheet which has a film having at least one layer of the base film as a substrate and a pressure-sensitive adhesive layer formed on at least one face of the substrate. Pressure-adhesive tapes or sheets which have excellent effects of undergoing little dimensional change even under heating or with the passage of time, showing good appearance without suffering from gapping, etc. in case of rolled tapes and sustaining stable pressure-sensitive adhesive force. Particularly favorable effects can be achieved in pressure-sensitive adhesive tapes wherein a polyolefin resin is used as the base film and a rubber pressure-sensitive adhesive containing a large amount of a tackifier resin is used as the pressure-sensitive adhesive.