Abstract: There is provided a cushion material 10 for hot pressing including a cushion layer 1, wherein the cushion layer 1 includes woven fabric 5 and polyimide resin 6 adhered to surfaces of fibers forming the woven fabric 5 and has pores in the cushion layer 1, and warp and/or weft of the woven fabric 5 is texturized yarns made of glass fiber. This cushion material for hot pressing can maintain good cushioning properties even when used in high temperature pressing at 280° C. or more repeatedly.

Abstract: A shoe press belt includes a polyurethane in which a reinforcement base member is embedded, the polyurethane being in one piece with the reinforcement base member. The polyurethane constituting at least an outer circumferential surface of the shoe press belt includes, as an urethane prepolymer component, an aliphatic polycarbonatediol component and an aromatic diisocyanate component, and includes, as a curing agent component, an aliphatic diol component having a carbon number of less than or equal to 6 and an aromatic diol component having two hydroxyethoxy groups. A content of the aromatic diol component with respect to the aliphatic diol component and the aromatic diol component is more than or equal to 10 mass % and less than or equal to 50 mass %. Accordingly, there is provided a shoe press belt suppressed in generation and development of a crack.

Abstract: The industrial roll according to the invention includes a core member made of a metal, a first adhesive layer formed in contact with an outer surface of the core member, a second adhesive layer formed on an outer surface side of the first adhesive layer, and a cover member formed in contact with an outer surface of the second adhesive layer and made of an elastic material. The first adhesive layer is made of a material with better adhesive properties to the core member than to the cover member, and the second adhesive layer is made of a material with better adhesive properties to the cover member than to the core member.

Abstract: A rubber composition for a paper feed roll contains at least a polymer component and a softener, has a 30% Mod (?40° C.) of less than or equal to 0.94 MPa, the 30% Mod (?40° C.) representing a modulus in 30% elongation at ?40° C., and has an E1 (22° C.)/number of parts by mass of softener of greater than or equal to 0.008 MPa/phr, the E1 (22° C.)/number of parts by mass of softener representing a value of a dynamic modulus of elasticity at 22° C. E1 (22° C.) in temperature variance measurement of dynamic viscoelasticity, divided by the number of parts by mass of the softener relative to 100 parts by mass of the polymer component. These configurations provide a rubber composition for a paper feed roll and a paper feed roll that are excellent in maintainability of a coefficient of friction and wear resistance.

Abstract: A rubber composition for a paper feed roll contains at least a polymer component and a softener, has a 30% Mod (?40° C.) of less than or equal to 0.94 MPa, the 30% Mod (?40° C.) representing a modulus in 30% elongation at ?40° C., and has an E1 (22° C.)/number of parts by mass of softener of greater than or equal to 0.008 MPa/phr, the E1 (22° C.)/number of parts by mass of softener representing a value of a dynamic modulus of elasticity at 22° C. E1 (22° C.) in temperature variance measurement of dynamic viscoelasticity, divided by the number of parts by mass of the softener relative to 100 parts by mass of the polymer component. These configurations provide a rubber composition for a paper feed roll and a paper feed roll that are excellent in maintainability of a coefficient of friction and wear resistance.

Abstract: A hot press cushioning material includes: a first nonwoven fabric forming an inner layer; and second nonwoven fabrics placed on both surfaces of the first nonwoven fabric and forming outer layers. Copolymerized para-aramid fibers having a basis weight of 80 to 400 g/m2 are used as a material of the second nonwoven fabrics. Fibers that are more rigid than the copolymerized para-aramid fibers are used as a material of the first nonwoven fabric. Each of the first nonwoven fabric and the second nonwoven fabrics has a heat resistant temperature of 270° C. or more.

Abstract: A shoe press belt includes a polyurethane in which a reinforcement base member is embedded, the polyurethane being in one piece with the reinforcement base member. The polyurethane constituting at least an outer circumferential surface of the shoe press belt includes, as an urethane prepolymer component, an aliphatic polycarbonatediol component and an aromatic diisocyanate component, and includes, as a curing agent component, an aliphatic diol component having a carbon number of less than or equal to 6 and an aromatic diol component having two hydroxyethoxy groups. A content of the aromatic diol component with respect to the aliphatic diol component and the aromatic diol component is more than or equal to 10 mass % and less than or equal to 50 mass %. Accordingly, there is provided a shoe press belt suppressed in generation and development of a crack.

Abstract: A shoe press belt includes a polyurethane in which a reinforcement base member is embedded, the polyurethane being in one piece with the reinforcement base member. The polyurethane constituting at least an outer circumferential surface of the shoe press belt is a thermosetting polyurethane obtained by curing an urethane prepolymer using a curing agent. The urethane prepolymer includes a first urethane prepolymer (A) obtained by a reaction between an aromatic diisocyanate and a polyol component containing an aliphatic polycarbonatediol represented by a chemical formula (1). In the chemical formula (1), m is a combination of two or more of integers of not less than 2 and not more than 12, and n is not less than 3 and not more than 33.

Abstract: A hot press cushioning material (10) of the present invention includes, as a base material, a woven fabric layer (11) using bulky yarn (12) as at least one of the warp and weft, and a nonwoven fabric layer (14) placed on one surface side of the woven fabric layer (11), a part of the nonwoven fabric layer (14) being embedded in the woven fabric layer (11). A nonwoven fabric-resin composite layer (18) is formed in the opposite surface of the nonwoven fabric layer (14) from the woven fabric layer (11) by impregnation with resin (15). A woven fabric-rubber composite layer (19) is formed in the other surface of the woven fabric layer (11) by impregnation with rubber (16). The nonwoven fabric-resin composite layer (18) and the woven fabric-rubber composite layer (19) have voids (17) therein.

Abstract: An anti-vibration rubber of the present invention is an anti-vibration rubber for washing machines. In temperature variance measurement of dynamic viscoelasticity at a frequency of 30 Hz, the anti-vibration rubber has a maximum loss factor at a temperature of ?10° C. to 40° C., both inclusive, and has a loss factor of 0.4 or more in the entire temperature range of ?10° C. to 40° C., both inclusive, at the frequency of 30 Hz.

Abstract: A shoe press belt includes a polyurethane in which a reinforcement base member is embedded, the polyurethane being in one piece with the reinforcement base member. The polyurethane constituting at least an outer circumferential surface of the shoe press belt is a thermosetting polyurethane obtained by curing an urethane prepolymer using a curing agent. The urethane prepolymer includes a first urethane prepolymer (A) obtained by a reaction between an aromatic diisocyanate and a polyol component containing an aliphatic polycarbonatediol represented by a chemical formula (1). In the chemical formula (1), m is a combination of two or more of integers of not less than 2 and not more than 12, and n is not less than 3 and not more than 33.

Abstract: The cushioning-material surface layer 11a includes a resin layer 12 disposed on one side of the surface layer 11a to cover the side thereof, a rubber layer 13 disposed on the other side of the surface layer 11a to cover the side thereof, and a woven fabric layer 14 disposed between the resin layer 12 and rubber layer 13 and including bulked yarns for at least one of warp and weft. The woven fabric layer 14 includes a woven fabric-resin composite layer 17 disposed on the resin layer 12 side and formed by impregnating part of the woven fabric with resin that forms the resin layer 12, and a woven fabric-rubber composite layer 18 disposed on the rubber layer 13 side and formed by impregnating part of the woven fabric with rubber that forms the rubber layer 13. The woven fabric layer 14 includes interstices 20 therein.

Abstract: A hot press cushioning material (14a) includes: a first nonwoven fabric (15) forming an inner layer; and second nonwoven fabrics (16a, 16b) placed on both surfaces of the first nonwoven fabric (15) and forming outer layers. Copolymerized para-aramid fibers having a basis weight of 80 to 400 g/m2 are used as a material of the second nonwoven fabrics (16a, 16b). Fibers that are more rigid than the copolymerized para-aramid fibers are used as a material of the first nonwoven fabric (15). Each of the first nonwoven fabric (15) and the second nonwoven fabrics (16a, 16b) has a heat resistant temperature of 270° C. or more.

Abstract: In a press belt (2), stepped portions are formed between an outer peripheral surface of a central region (A) and outer peripheral surfaces of end-corresponding regions (B) located so as to corresponding to both ends in a lateral direction of a press roll (1) or a pressure shoe (3), so that the end-corresponding regions have a smaller thickness than the central region. The outer peripheral surfaces of the end-corresponding regions are finished so that a processing flaw depth becomes 10 ?m or less.

Abstract: The cushioning-material surface layer 11a includes a resin layer 12 disposed on one side of the surface layer 11a to cover the side thereof, a rubber layer 13 disposed on the other side of the surface layer 11a to cover the side thereof, and a woven fabric layer 14 disposed between the resin layer 12 and rubber layer 13 and including bulked yarns for at least one of warp and weft. The woven fabric layer 14 includes a woven fabric-resin composite layer 17 disposed on the resin layer 12 side and formed by impregnating part of the woven fabric with resin that forms the resin layer 12, and a woven fabric-rubber composite layer 18 disposed on the rubber layer 13 side and formed by impregnating part of the woven fabric with rubber that forms the rubber layer 13. The woven fabric layer 14 includes interstices 20 therein.

Abstract: A hot-press cushion material is a complex comprising paper formed of a fiber material and a rubber impregnated in the paper, and the volume ratio between the fiber material and the rubber is within a range of 1/1.5 to 1/7.5, and the void ratio in the complex is within a range of 60 to 90%.

Abstract: In a press belt (2), stepped portions are formed between an outer peripheral surface of a central region (A) and outer peripheral surfaces of end-corresponding regions (B) located so as to corresponding to both ends in a lateral direction of a press roll (1) or a pressure shoe (3), so that the end-corresponding regions have a smaller thickness than the central region. The outer peripheral surfaces of the end-corresponding regions are finished so that a processing flaw depth becomes 10 ?m or less.

Abstract: A hot-press sheet (20) comprises a sheet-shaped base material (1) and a release coating film (2) applied to a surface of the base material (1), in which the coating film (2) completely covers an entire surface of the base material (1) to provide air-tightness for the hot-press sheet (20). The coating film (2) comprises a resin composition as a host material, and 5% or more by weight of organic powder and 5% or more by weight of inorganic powder are mixed in 100% by weight of the resin composition which forms the coating film (2), so that the mixture of 5 to 55% by weight of the organic powder and 5 to 55% by weight of the inorganic powder becomes 30 to 60% by weight in total.

Abstract: A hot-press cushioning member 11a is configured so that an amount of compressed thickness deformation (a) is obtained by subtracting a compressed thickness (H2) of the hot-press cushioning member under a predetermined press-forming pressure from an initial thickness (H1), an amount of restored thickness deformation (b) is obtained by subtracting the compressed thickness (H2) from an uncompressed thickness (H3) of the hot-press cushioning member with the press-forming pressure released, and the (a:b) ratio ranges from 1:1 to 1:0.8.

Abstract: A hot press cushioning pad 1 has a fiber-rubber composite material layer formed by a woven fabric and a rubber impregnated in the woven fabric. The warp of the woven fabric is a doubled and twisted yarn, and the weft thereof is a texturized yarn made of glass fibers. The fiber-rubber composite material layer has voids inside.