Abstract: Provided is a pneumatic actuator having improved durability. A pneumatic actuator (10) comprises an actuator body (100) including: a cylindrical tube (110) configured to expand and contract by air pressure; and a cylindrical sleeve (120) formed by weaving cords (121) oriented in predetermined directions, wherein in a no-load and no-pressure state, an average angle (?1) of the cords (121) with respect to an axial direction (DAX) of the actuator is 20 degrees or more and less than 45 degrees, and in a state in which an average angle (?3) of the cords (121) with respect to the axial direction (DAX) of the actuator is 45 degrees with an air pressure of 5 MPa, a ratio (S2/S1) of a total area (S2) of gaps (122) of the cords (121) to an area (S1) of an outer surface of the actuator body (100) is 35% or less.

Abstract: Provided is a hydraulic actuator with improved durability, the hydraulic actuator (10), having an actuator main body (100) constituted of a cylindrical tube (110) capable of expanding/contracting by hydraulic pressure and a cylindrical sleeve (120) formed by cords (121) woven to be disposed in predetermined directions, wherein: the average angle (?1) formed by the cords (121) with respect to the axis direction (DAX) of the actuator with no load and no pressure applied thereon is in a range of ?20° and <45°; and in a state where the average angle (?3) formed by the cords (121) with respect to the axis direction (DAX) is 45° under hydraulic pressure of 5 MPa, a ratio (S2/S1) of the total area (S2) of clearances (122) between the cords (121) with respect to an area (S1) of an outer peripheral surface of the actuator main body (100) is 35% or less.

Abstract: Provided is a pneumatic actuator having improved durability. A pneumatic actuator (10) comprises an actuator body (100) including: a cylindrical tube (110) configured to expand and contract by air pressure; and a cylindrical sleeve (120) formed by weaving cords (121) oriented in predetermined directions, wherein in a no-load and no-pressure state, an average angle (?1) of the cords (121) with respect to an axial direction (DAX) of the actuator is 20 degrees or more and less than 45 degrees, and in a state in which an average angle (?3) of the cords (121) with respect to the axial direction (DAX) of the actuator is 45 degrees with an air pressure of 5 MPa. a ratio (S2/S1) of a total area (S2) of gaps (122) of the cords (121) to an area (S1) of an outer surface of the actuator body (100) is 35% or less.

Abstract: Provided is a hydraulic actuator having a tube with improved durability, the hydraulic actuator (10), having an actuator main body (100) constituted of a cylindrical tube (110) capable of expanding/contracting by hydraulic pressure and a cylindrical sleeve (120) formed by cords woven to be disposed in predetermined directions, wherein: the tube (110) has a laminated structure including two or more rubber layers, the rubber layers being constituted of at least one polar rubber layer (111) containing, with respect to a rubber component(s), ?50 mass % of a polar rubber of which SP value is ?8.7 and at least one non-polar rubber layer (112) containing, with respect to a rubber component(s), <50 mass % of a polar rubber of which SP value is ?8.7.

Abstract: Provided is a hydraulic actuator with improved, durability, the hydraulic actuator (10), having an actuator main body (100) constituted of a cylindrical tube (110) capable of expanding/contracting by hydraulic pressure and a cylindrical sleeve (120) formed by cords (121) woven to be disposed in predetermined directions, wherein: the average angle (?1) formed by the cords (121) with respect to the axis direction (DAX) of the actuator with no load and no pressure applied thereon is in a range of ?20° and <45°; and in a state where the average angle (?3) formed by the cords (121) with respect to the axis direction (DAX) is 45° under hydraulic pressure of 5 MPa, a ratio (S2/S1) of the total area (S2) of clearances (122) between the cords (121) with respect to an area (S1) of an outer peripheral surface of the actuator main body (100) is 35% or less.

Abstract: Provided is a process for producing a silane coupling agent, which can shorten the time required for the production process. A process for producing a silane coupling agent, characterized by comprising a step of reacting a silane compound (A) with a compound (B) which has a hydroxyl group and further contains an atom having an unshared electron pair other than an oxygen atom derived from the hydroxyl group, in the presence of a metal-containing catalyst (m) to obtain a silane compound (C) which has an alkoxyl group containing the atom having the unshared electron pair other than the oxygen atom derived from the hydroxyl group.

Abstract: Provided is a therapeutic agent for hyperparathyroidism, renal osteodystrophy, hypercalcemia and the like, which has a CaSR activating (agonist) action. A compound represented by the following general formula (1): [wherein, Ar which is a partial structure in the general formula (1) represents a phenyl group or a naphthyl group; R1a and R1b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; R2a and R2b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; A represents a single bond, an oxygen atom, or the like; B represents a single bond, a C1-C4 alkanediyl group, or the like; Z represents a carboxyl group or a tetrazolyl group; and m represents an integer of 1 to 3] or a pharmacologically acceptable salt thereof.

Abstract: The present invention provides means useful for establishing an excellent isoprene monomer production system. Specifically, the present invention provides a polynucleotide of the following (a), (b), or (c): (a) a polynucleotide comprising (i) the nucleotide sequence represented by SEQ ID NO:1, or (ii) the nucleotide sequence consisting of the nucleotide residues at positions 133 to 1785 in the nucleotide sequence represented by SEQ ID NO:1; (b) a polynucleotide that comprises a nucleotide sequence having 90% or more identity to the nucleotide sequence of (i) or (ii) above, and encodes a protein having an isoprene synthase activity; or (c) a polynucleotide that hybridizes under a stringent condition with a polynucleotide consisting of a nucleotide sequence complementary to the nucleotide sequence of (i) or (ii) above, and encodes a protein having an isoprene synthase activity; and the like.

Abstract: Polymer-filler coupling compounds with the formula B-A-Sx—N are claimed. In these compounds, B is an azaheterocyclic oxygen or sulfur containing moiety, or an allyltin moiety; Sx is a polysulfide, where x is between 2 and about 10; A is a linking atom or group that forms a bridge between B and Sx; and N is a blocking group. Sx can be a disulfide. N can be a conventional blocking group or other group such as -A-B. Methods for using the polymer-filler coupling compounds to modify polymers containing unsaturated carbon-carbon bonds and promote filler dispersion are also claimed. Additionally, vulcanizable rubber compositions containing the polymer-filler coupling compounds and methods for making vulcanized rubber compositions using the polymer-filler coupling compounds are also claimed.

Abstract: The present invention provides means useful for establishing an excellent isoprene monomer production system. Specifically, the present invention provides a polynucleotide of the following (a), (b), or (c): (a) a polynucleotide comprising (i) the nucleotide sequence represented by SEQ ID NO:1, or (ii) the nucleotide sequence consisting of the nucleotide residues at positions 133 to 1785 in the nucleotide sequence represented by SEQ ID NO:1; (b) a polynucleotide that comprises a nucleotide sequence having 90% or more identity to the nucleotide sequence of (i) or (ii) above, and encodes a protein having an isoprene synthase activity; or (c) a polynucleotide that hybridizes under a stringent condition with a polynucleotide consisting of a nucleotide sequence complementary to the nucleotide sequence of (i) or (ii) above, and encodes a protein having an isoprene synthase activity; and the like.

Abstract: Provided is a therapeutic agent for hyperparathyroidism, renal osteodystrophy, hypercalcemia and the like, which has a CaSR activating (agonist) action. A compound represented by the following general formula (1): [wherein, Ar which is a partial structure in the general formula (1) represents a phenyl group or a naphthyl group; R1a and R1b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; R2a and R2b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; A represents a single bond, an oxygen atom, or the like; B represents a single bond, a C1-C4 alkanediyl group, or the like; Z represents a carboxyl group or a tetrazolyl group; and m represents an integer of 1 to 3] or a pharmacologically acceptable salt thereof.

Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) two or more organic peroxides which include (C-1) an organic peroxide other than a diacyl peroxide and (C-2) an organic peroxide which is a diacyl peroxide. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) two or more organic peroxides which include (C-1) an organic peroxide having a solubility parameter (SP) of 9 or less and (C-2) an organic peroxide having a solubility parameter (SP) of 10 or more. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) two or more organic peroxides which include (C-1) an organic peroxide having a one-minute half-life temperature of 145 to 185° C. and (C-2) an organic peroxide having a one-minute half-life temperature of 110 to 135° C. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

Abstract: Provided is a process for producing a silane coupling agent, which can shorten the time required for the production process. A process for producing a silane coupling agent, characterized by comprising a step of reacting a silane compound (A) with a compound (B) which has a hydroxyl group and further contains an atom having an unshared electron pair other than an oxygen atom derived from the hydroxyl group, in the presence of a metal-containing catalyst (m) to obtain a silane compound (C) which has an alkoxyl group containing the atom having the unshared electron pair other than the oxygen atom derived from the hydroxyl group.

Abstract: This invention relates to a novel compound capable of largely reducing hysteresis loss of a rubber composition but also highly improving wear resistance, and more particularly to an organosilicon compound characterized by having one or more silicon-oxygen bond (Si—O) and 1-10 sulfur atoms (S) in its molecule, including one or more chain alkoxy groups and having one or more nitrogen atoms (N) at a position distant by 3-8 atoms from silicon atom (Si).

Abstract: Provided is a therapeutic agent for hyperparathyroidism, renal osteodystrophy, hypercalcemia and the like, which has a CaSR activating (agonist) action. A compound represented by the following general formula (1): [wherein, Ar which is a partial structure in the general formula (1) represents a phenyl group or a naphthyl group; R1a and R1b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; R2a and R2b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; A represents a single bond, an oxygen atom, or the like; B represents a single bond, a C1-C4 alkanediyl group, or the like; Z represents a carboxyl group or a tetrazolyl group; and m represents an integer of 1 to 3] or a pharmacologically acceptable salt thereof.

Abstract: Polymer-filler coupling compounds with the formula B-A-Sx—N are claimed. In these compounds, B is an azaheterocyclic oxygen or sulfur containing moiety, or an allyltin moiety; Sx is a polysulfide, where x is between 2 and about 10; A is a linking atom or group that forms a bridge between B and Sx; and N is a blocking group. Sx can be a disulfide. N can be a conventional blocking group or other group such as -A-B. Methods for using the polymer-filler coupling compounds to modify polymers containing unsaturated carbon-carbon bonds and promote filler dispersion are also claimed. Additionally, vulcanizable rubber compositions containing the polymer-filler coupling compounds and methods for making vulcanized rubber compositions using the polymer-filler coupling compounds are also claimed.

Abstract: Polymer-filler coupling compounds with the formula B-A-Sx—N are claimed. In these compounds, B is an azaheterocyclic oxygen or sulfur containing moiety, or an allyltin moiety; Sx is a polysulfide, where x is between 2 and about 10; A is a linking atom or group that forms a bridge between B and Sx; and N is a blocking group. Sx can be a disulfide. N can be a conventional blocking group or other group such as -A-B. Methods for using the polymer-filler coupling compounds to modify polymers containing unsaturated carbon-carbon bonds and promote filler dispersion are also claimed. Additionally, vulcanizable rubber compositions containing the polymer-filler coupling compounds and methods for making vulcanized rubber compositions using the polymer-filler coupling compounds are also claimed.

Abstract: This invention relates to a novel compound capable of largely reducing hysteresis loss of a rubber composition but also highly improving wear resistance, and more particularly to an organosilicon compound characterized by having one or more silicon-oxygen bond (Si—O) and 1-10 sulfur atoms (S) in its molecule, including one or more chain alkoxy groups and having one or more nitrogen atoms (N) at a position distant by 3-8 atoms from silicon atom (Si).