Abstract: The present invention has its object to provide a liquid-applied moisture-permeable waterproofing material that can protect a building from rainwater or humidity in the air, can drain moisture, which has been gathered on a substrate of a building, and can be applied easily. The present invention is a curable composition comprising: (A) a polyoxyalkylene polymer having a silicon-containing group crosslinkable by forming a siloxane bond; (B) a polyoxyalkylene plasticizer whose main chain contains 5 wt % or more of an oxypropylene-derived repeating unit and has one or more groups, at an end thereof, selected from the group consisting of an —OH group, a group represented by the formula: —OR9 (wherein R9 is a substituted or unsubstituted C1-20 hydrocarbon group), and a group represented by the formula: —NR102 (wherein R10 is each independently a hydrogen atom, or a substituted or unsubstituted C1-20 hydrocarbon group).

Abstract: The present invention has its object to provide a liquid-applied moisture-permeable waterproofing material that can protect a building from rainwater or humidity in the air, can drain moisture, which has been gathered on a substrate of a building, and can be applied easily. The present invention is a curable composition comprising: (A) a polyoxyalkylene polymer having a silicon-containing group crosslinkable by forming a siloxane bond; (B) a polyoxyalkylene plasticizer whose main chain contains 5 wt % or more of an oxypropylene-derived repeating unit and has one or more groups, at an end thereof, selected from the group consisting of an —OH group, a group represented by the formula: —OR9 (wherein R9 is a substituted or unsubstituted C1-20 hydrocarbon group), and a group represented by the formula: —NR102 (wherein R10 is each independently a hydrogen atom, or a substituted or unsubstituted C1-20 hydrocarbon group).

Abstract: Provided are a waterproof coating material and a roof having a coating film formed therefrom which have low VOC content, good film curability under low-temperature/high-humidity conditions, high stain resistance, and low water absorbency. The coating material comprises: (A) 100 parts by weight of a polyoxyalkylene polymer (a1) and/or a vinylic polymer (a2), the polymers each containing a reactive silyl group of formula (1): —SiR13-aXa (1) wherein each R1 independently represents a C1-C20 alkyl, C6-C20 aryl, or C7-C20 aralkyl group, or a triorganosiloxy group of (R?)3SiO— where R's each independently represent a C1-C20 substituted or unsubstituted hydrocarbon group; each X independently represents a hydroxy or hydrolyzable group; and a represents 1, 2 or 3; and (B) 0.1-20 parts by weight of at least one compound including a compound (b3) obtained by partial condensation of silyl groups of an aminosilane alone or of a combination of an aminosilane and another alkoxysilane compound.

Abstract: Provided is a curable composition having excellent water vapor permeability, which enables to protect a building from rainwater or moisture in the air and release the water accumulated on the side of the base of the building, to the outside. Also provided is a curable composition which has easy workability and is less likely to allow migration or exudation of a plasticizer to the surface of the cured product. Also provided is a liquid waterproof coating material having moisture permeability which contains the curable composition. The curable composition includes an organic polymer (I) that has less than one hydrolyzable silyl group per molecule on average and contains 5 to 80 wt % of oxyethylene units.

Abstract: Provided is a curable composition having excellent water vapor permeability, which enables to protect a building from rainwater or moisture in the air and release the water accumulated on the side of the base of the building, to the outside. Also provided is a curable composition which has easy workability and is less likely to allow migration or exudation of a plasticizer to the surface of the cured product. Also provided is a liquid waterproof coating material having moisture permeability which contains the curable composition. The curable composition includes an organic polymer (I) that has less than one hydrolyzable silyl group per molecule on average and contains 5 to 80 wt % of oxyethylene units.

Abstract: The present invention has its object to provide a liquid-applied moisture-permeable waterproofing material that can protect a building from rainwater or humidity in the air, can drain moisture, which has been gathered on a substrate of a building, and can be applied easily. The present invention is a curable composition comprising: (A) a polyoxyalkylene polymer having a silicon-containing group crosslinkable by forming a siloxane bond; (B) a polyoxyalkylene plasticizer whose main chain contains 5 wt % or more of an oxypropylene-derived repeating unit and has one or more groups, at an end thereof, selected from the group consisting of an —OH group, a group represented by the formula: —OR9 (wherein R9 is a substituted or unsubstituted C1-20 hydrocarbon group), and a group represented by the formula: —NR102 (wherein R10 is each independently a hydrogen atom, or a substituted or unsubstituted C1-20 hydrocarbon group).

Abstract: It is an object of the present invention to provide a two-component curable composition whose component A is easy to be handled, and which shows excellent internal curability and good storage stability. This problem is solved using a two-component curable composition, comprising component A comprising 100 parts by weight of an organic polymer containing a reactive silicon group, (B) 0.1-300 parts by weight of an epoxy group-containing compound, and (C) 0.1-20 parts by weight of water, and component B comprising (D) 0.1-20 parts by weight of a curing catalyst, and (E) 0.1-200 parts by weight of an amine compound.

Abstract: The invention aims to improve surface tackiness of a curable composition comprising a reactive silicon group-containing polyoxypropylene polymer without decreasing coating workability, strength, adhesion and appearance. As one embodiment of a means for resolution, a curable composition comprising (A) 100 parts by weight of a reactive silicon group-containing polyoxypropylene polymer, (B) from 0.1 to 20 parts by weight of a silane coupling agent, (C) from 0.1 to 80 parts by weight of an epoxy group-containing compound, (D) from 0.1 to 60 parts by weight of a tertiary amine, and (E) from 0.1 to 30 parts by weight of a primary or secondary amine having a melting point of 20° C. or more is mentioned.

Abstract: It is the subject of the present invention to provide a solvent-free ambient-temperature curable composition, excellent in water-resistant adhesion, storage stability and curability, and generates neither smoke nor odor when working therewith. The relevant problem is solved by a curable composition including (A) a natural asphalt and/or petroleum asphalt, (B) a polyoxyalkylene polymer having one or more reactive silicon groups capable of cross-linking by forming siloxane bonds through silanol condensation reaction.

Abstract: It is an object of the present invention to provide a two-component curable composition whose component A is easy to be handled, and which shows excellent internal curability and good storage stability. This problem is solved using a two-component curable composition, comprising component A comprising 100 parts by weight of an organic polymer containing a reactive silicon group, (B) 0.1-300 parts by weight of an epoxy group-containing compound, and (C) 0.1-20 parts by weight of water, and component B comprising (D) 0.1-20 parts by weight of a curing catalyst, and (E) 0.1-200 parts by weight of an amine compound.

Abstract: The present invention provides a method of bonding an adherend to a substrate which comprises applying a curable composition comprising at least one polymer or resin selected from the group consisting of (A) a reactive silyl group-containing polyoxyalkylene polymer, (B) a reactive silyl group-containing saturated hydrocarbon polymer, (C) a copolymer of which molecular chain is substantially made of one or more alkyl acrylate monomer unit(s) and/or alkyl methacrylate monomer unit(s) and (D) an epoxy resin and having a viscosity before curing of not lower than 10,000 Pa·s as determined on a B8U type viscometer under the following condition; rotor No. 7; number of revolutions 0.5 rpm; in an atmosphere at 23° C., according to JIS K 7117 to the adherend and/or substrate and then joining the adherend and the substrate together without temporary tacking.

Abstract: The invention aims to improve surface tackiness of a curable composition comprising a reactive silicon group-containing polyoxypropylene polymer without decreasing coating workability, strength, adhesion and appearance. As one embodiment of a means for resolution, a curable composition comprising (A) 100 parts by weight of a reactive silicon group-containing polyoxypropylene polymer, (B) from 0.1 to 20 parts by weight of a silane coupling agent, (C) from 0.1 to 80 parts by weight of an epoxy group-containing compound, (D) from 0.1 to 60 parts by weight of a tertiary amine, and (E) from 0.1 to 30 parts by weight of a primary or secondary amine having a melting point of 20° C or more is mentioned.

Abstract: By using a high viscosity moisture-curable adhesive composition comprising at least one polymer or resin selected from the group consisting of (A) a reactive silyl group-containing polyoxyalkylene polymer, (B) a reactive silyl group-containing saturated hydrocarbon polymer, (C) a copolymer of which molecular chain is substantially made of one or more alkyl (meth)acrylate monomer unit(s) and (D) an epoxy resin, it becomes possible to bond an adherend to a substrate without open time and without temporary tacking after application.

Abstract: A method for cleaning and transporting rubber stoppers includes the steps of ejecting pressurized water, fed from a water storage division, from a jet nozzle to form a jet stream flowing into a negative pressure-creating pipe for suction to create a negative pressure inside the negative pressure-creating pipe; transporting rubber stoppers placed in a storage section to the negative pressure-creating pipe through a cleaning inlet port placed under the storage section using the negative pressure; cleaning the rubber stoppers with the jet stream while the rubber stoppers are being transported through the negative pressure-creating pipe and then a transportation pipe directly connected to the negative pressure-creating pipe; transporting the rubber stoppers to a water separation section to remove water from the rubber stoppers; and transporting the rubber stoppers to a stocker for storing the cleaned rubber stopper.

Abstract: The present invention has its object to provide a one-component type room temperature-curable composition having good storage stability, which comprises an epoxy resin and an organic polymer containing a reactive silicon group. The present invention provides a curable composition comprising a polyepoxide having two or more oxirane rings in a molecule or a polyepoxide formed optionally by mixing, into the above-mentioned polyepoxide, monoepoxide having one oxirane ring per a molecule, a certain ketimine, and an organic polymer containing a reactive silicon group.

Abstract: It is the subject of the present invention to provide a solvent-free ambient-temperature curable composition, excellent in water-resistant adhesion, storage stability and curability, and generates neither smoke nor odor when working therewith. The relevant problem is solved by a curable composition including (A) a natural asphalt and/or petroleum asphalt, (B) a polyoxyalkylene polymer having one or more reactive silicon groups capable of cross-linking by forming siloxane bonds through silanol condensation reaction.

Abstract: A solventless cold-setting curable composition includes a bituminous substance (A) and a vinyl polymer (B) which has a reactive silicon group capable of being crosslinked by forming a siloxane bond by a silanol condensation reaction and whose main chain is produced by living radical polymerization.

Abstract: A curable composition contains a bituminous substance (A) and a saturated hydrocarbon polymer (B) having a reactive silicon group represented by general formula (1): —Si(R13-a)Xa??(1) (wherein R1 is a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C20 aralkyl group, or a triorganosiloxy group represented by (R?O)3Si—; when two R1s are present, they may be the same or different; the three R's each represent a C1-C20 monovalent hydrocarbon group and may be the same or different; X is a hydroxyl group or hydrolyzable group; when two or more Xs are present, they may be the same or different; and a is 1, 2, or 3).

Abstract: The present invention is to provide a curable resin composition comprising (I) a reactive silicon group-containing polyoxyalkylene polymer wherein a introduction rate of a reactive silicon group into molecular chain terminus is not less than 85% as analyzed by 1H-NMR spectrometry and (II) an epoxy resin. The curable resin obtained from this composition reflects improvements in tensile strength and tensile shear bond strength and in adhesion to various substrates.

Abstract: The present invention provides a method of bonding an adherend to a substrate