Abstract:
Provided is a resin composition for high-strength fiber-reinforced plastic, containing an epoxy resin (A), a cyanate resin (B), and a liquid aromatic amine curing agent (C), and also an active energy ray-absorbing component (D) if necessary, wherein the resin composition for high-strength fiber-reinforced plastic is characterized in that 20-100 mass% of the epoxy resin (A) is an epoxy compound represented by general formula (1); a cured product obtained by curing a composition containing the resin composition; and a high-strength fiber-reinforced plastic, where, in formula (1), a and b each independently represents an integer of 2-10, c represents an integer of 0-3, R1 and R2 each independently represents a C2-5 divalent hydrocarbon group, and R3 represents a single bond, methylene group, or -C(CH3)2-.
Abstract:
Eine wässrige Polyurethanharz-Zusammensetzung, dadurch gekennzeichnet, dass (a) eine durch die folgende allgemeine Formel (1) dargestellte Isocyanuratverbindung, (b) eine langkettige Alkylendiolverbindung mit 12-32 Kohlenstoffatomen, (c) eine Polyisocyanatverbindung, (d) eine Polyolverbindung, (e) eine eine anionische Gruppe einbringende Verbindung, (f) ein eine anionische Gruppe neutralisierendes Mittel und Wasser die essentiellen Bestandteile sindwobei R1 eine Alkylgruppe mit 10-32 Kohlenstoffatomen darstellt, und R2 -N=C=O (Isocyanatgruppe) oderist und A einen durch Entfernen von zwei -N=C=O aus einer Diisocyanatverbindung erzeugten Rest darstellt.
Abstract:
A water-dispersed polyurethane composition essentially containing a polyisocyanate component (a), a polyol component (b) and water is characterized in that at least an isocyanate compound represented by the general formula (I) below is used as the polyisocyanate component (a). Such a water-dispersed polyurethane composition is excellent in adhesiveness, water resistance, corrosion resistance, heat resistance, weather resistance, water repellency, oil repellency and the like, and can be preferably used as a coating composition for surface-treated steel sheets. (In the formula, R1 represents an alkyl group having 10-30 carbon atoms; R2 represents -N=C=O or a group expressed as (II); and A represents a residue obtained by removing two -N=C=O from a diisocyanate compound.)
Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin composition which is excellent in adhesiveness to a synthetic resin and excellent in tackiness and blocking resistance after application, and an easily adhesive polyester film which is excellent in adhesiveness to a substrate film and an energy ray-curable resin and furthermore excellent in film transparency.SOLUTION: The aqueous polyurethane resin composition essentially comprises: (A) a polyol; (B) a polyisocyanate; (C) a hydrophilic compound represented by formula (1) (wherein Ris a residue obtained by removing one hydroxy group from a dihydric to tetrahydric alcohol or a group represented by RNHCO-; Ris methyl or ethyl; n is a number of 5-35; and R is a residue obtained by removing one isocyanate group from a trimer compound of a diisocyanate); and (D) a monohydroxy vinyl ether compound represented by general formula (2) (wherein Ris 2-9C alkylene; and m is 1 or 2); and water. The easily adhesive polyester film has an easily adhesive layer formed by applying the aqueous polyurethane resin composition on one side of a polyester film. Alkylene oxide units represented by (CH-O)in the component (C) are 3-20 mass% of solid consisting of the components (A)-(D), and the content of the component (D) is 3-25 mass% of the solid.
Abstract:
PROBLEM TO BE SOLVED: To provide a water-based urethane resin composition excellent in water resistance, chemical resistance, etc., allowing suitable use in surface-treated steel sheet paint applications, and to provide a sheeted coated object. SOLUTION: The water-based polyurethane resin composition uses as essential components (a) an isocyanurate compound represented by the general formula (1), (b) a 10-32C long chain alkylene diol compound, (c) a polyisocyanate compound, (d) a polyol compound, (e) an anionic group-introducing compound, (f) an anionic group neutralizer, and water, wherein R 1 represents a 10-32C alkyl group, and R 2 represents -N=C=O or an urethane group. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin composition that is excellent in water resistance and to provide a coating film that is excellent in dust resistance and is suitable as an agricultural film.SOLUTION: The aqueous acrylic urethane resin composition includes a resin containing 20 to 80 mass% polyurethane resin and 80 to 20 mass% acrylic resin. The polyurethane resin is an aqueous resin composed essentially of an isocyanate compound represented by formula (1) and the acrylic resin is an aqueous resin produced by polymerizing (c) a (meth)acrylic monomer. In formula (1), Rrepresents a specific alkyl group and Rrepresents -N=C=O or a specific group.
Abstract:
PROBLEM TO BE SOLVED: To provide a nonhalogen-based aqueous polyurethane resin composition that is suitable for imparting a flame-retardant coating which does not cause a bleeding phenomenon on a substance surface and that also has excellent workability.SOLUTION: The aqueous polyurethane resin composition is obtained by dispersing a urethane prepolymer, obtained from reacting a polyisocyanate component (a) and a polyol component (b) including a phosphorus-containing polyol compound represented by formula (1) as an essential component, in water and then performing chain elongation of the urethane prepolymer, and contains units corresponding to the compound represented by formula (1) so that the phosphorus content in the urethane resin solid component is 0.3-5.0%. In formula, Rrepresents a 2-4C alkylene group, m represents a number of 1-10, and n represents a number of 1-10.
Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin composition for forming coating films and molded articles of a polyurethane resin excellent in not only environmental pollution control but also safety such as industrial hygiene, suitable for paint, adhesive, binder, coating agent, etc., having excellent corrosion resistance and developing abrasion resistance, adhesiveness, non-tackiness and rubber elasticity.SOLUTION: There are provided a urethane prepolymer composition for aqueous polyurethane resin composition containing an organosilica sol produced by using an inert organic solvent free from a hydroxyl group as a dispersion solvent, and an aqueous polyurethane resin composition produced by dispersing the urethane prepolymer composition in water. The silica introduced by the organosilica sol is present in the solid component of the urethane prepolymer composition in an amount of 5-40 mass%.