Abstract: A shielded connector which makes a shell unnecessary while ensuring a shielding function. A housing holds a housing plurality of contacts each including a contact portion brought into contact with an associated one of contact portions of a plurality of mating contacts. The connector is provided with a shield member including a shield plate body which partitions the contact portions of the contacts into two groups, a first spring portion which is brought into contact with an inner wall surface of a shell of a mating connector, and a second spring portion which is brought into contact with the inner wall surface of the shell.

Abstract: It is an object of the present invention to provide an aqueous dispersion of acrylic modified starch with excellent long-term storage stability, as well as an aqueous coating composition that can form a coated film with excellent finished appearance, curability and weather resistance, obtained using the dispersion. The aqueous dispersion of the present invention is obtained by separate graft polymerization of a radical polymerizable unsaturated monomer mixture for formation of a hydrophobic polymer and a radical polymerizable unsaturated monomer mixture for formation of a hydrophilic polymer, in the presence of starch and/or modified starch, and neutralizing the carboxyl groups in the acrylic modified starch with a basic substance if necessary.

Abstract: A shielded connector which makes a shell unnecessary while ensuring a shielding function. A housing holds a housing plurality of contacts each including a contact portion brought into contact with an associated one of contact portions of a plurality of mating contacts. The connector is provided with a shield member including a shield plate body which partitions the contact portions of the contacts into two groups, a first spring portion which is brought into contact with an inner wall surface of a shell of a mating connector, and a second spring portion which is brought into contact with the inner wall surface of the shell.

Abstract: There is provided a starch-based coating composition with excellent storage stability as a one-pack type paint, which can form coating films with excellent drying property, finished appearances, pencil hardness, mar resistance, adhesion, alkali resistance, solvent resistance and weather resistance, as well as coated articles that have been coated with the starch-based coating composition. The starch-based coating composition comprises as the binder a resin composition obtained by reacting (A) starch and/or modified starch with (B) an isocyanate group-containing compound obtained by reacting a polyisocyanate compound (b1) and a polyhydric alcohol (b2), or by reaction of these components with a resin obtained by radical polymerization of a mixture comprising an aromatic-based radical polymerizing unsaturated monomer, a hydroxyl group-containing radical polymerizing unsaturated monomer and optionally another radical polymerizing unsaturated monomer.

Abstract: The present invention relates to a dispersion comprising an acryl-modified cellulose ester derivative (D) dispersed in an aqueous medium, wherein a hydrophobic acrylic resin (B) and a hydrophilic acrylic resin (C) are grafted onto a cellulose ester derivative (A) in the acryl-modified cellulose ester derivative (D). The dispersion has excellent long-term storage stability, and aqueous coating compositions comprising the dispersion can form coating films with excellent coating workability, solvent resistance, chemical resistance, water resistance, and excellent curability.

Abstract: A starch-based coating composition that utilizes naturally derived biodegradable starch and exhibits excellent storage stability as an one-pack lacquer, and that can form coated films with superiority in terms of finished appearance, hardness, adhesion, chemical resistance and alkali resistance. The binder used is a resin (A) obtained by bonding a vinyl polymer onto starch and/or modified starch by graft polymerization, or a resin (C) obtained by reacting the resin (A) with an isocyanate group-containing product (B) obtained by reacting a polyisocyanate compound (b1) with a polyhydric alcohol (b2).

Abstract: There is provided a starch-based coating composition with excellent storage stability as a one-pack type paint, which can form coating films with excellent drying property, finished appearances, pencil hardness, mar resistance, adhesion, alkali resistance, solvent resistance and weather resistance, as well as coated articles that have been coated with the starch-based coating composition. The starch-based coating composition comprises as the binder a resin composition obtained by reacting (A) starch and/or modified starch with (B) an isocyanate group-containing compound obtained by reacting a polyisocyanate compound (b1) and a polyhydric alcohol (b2), or by reaction of these components with a resin obtained by radical polymerization of a mixture comprising an aromatic-based radical polymerizing unsaturated monomer, a hydroxyl group-containing radical polymerizing unsaturated monomer and optionally another radical polymerizing unsaturated monomer.

Abstract: Process that is capable of synthesizing a metal-containing resin having a good antifouling property in a short period of time without having such problems associated with the synthesis as gelation. The process for producing a metal-containing resin by conducting a copolymerization reaction of a monomer mixture (A) comprising 1 to 50% by weight of a carboxyl group-containing polymerizable unsaturated monomer (a) and 50 to 99% by weight of other polymerizable unsaturated monomer (b) in an organic solvent in the presence of water and an oxide or hydroxide of a metal having a valency of at least 2, wherein the amount of water is 1 to 30 parts by weight based on 100 parts by weight of the monomer mixture (A), and the formation of a metal carboxylate bond occurs together with the copolymerization of the monomer mixture (A); and an antifouling coating composition containing, as an active constituent, a metal-containing resin obtained by the production process.

Abstract: An ordinary temperature curable coating composition comprises an oxidative curable silicon modified vinyl-based resin (A) which is obtained by combining an epoxy group-containing vinyl copolymer (a) with an unsaturated fatty acid-containing fatty acid component (b) and a silicon resin (c). The vinyl copolymer (a) is a copolymer of an epoxy group-containing polymerizable unsaturated first monomer and a polymerizable unsaturated second monomer copolymerizable with the first monomer. The silicon resin (c) contains a silicon atom and a hydroxyl group and/or an alkoxyl group which is bonded to the silicon atom. The coating composition can form a coating film superior in weathering resistance, coating film gloss, and coating operation properties such as storage property, initial drying property and brush stroke during double coatings with a brush.

Abstract: An ordinary temperature curable coating composition comprises an oxidative curable silicon modified vinyl-based resin (A) which is obtained by combining an epoxy group-containing vinyl copolymer (a) with an unsaturated fatty acid-containing fatty acid component (b) and a silicon resin (c). The vinyl copolymer (a) is a copolymer of an epoxy group-containing polymerizable unsaturated first monomer and a polymerizable unsaturated second monomer copolymerizable with the first monomer. The silicon resin (c) contains a silicon atom and a hydroxyl group and/or an alkoxyl group which is bonded to the silicon atom. The coating composition can form a coating film superior in weathering resistance, coating film gloss, and coating operation properties such as storage property, initial drying property and brush stroke during double coatings with a brush.

Abstract: The invention provides a coating composition comprising (A) a vinyl resin having a structure of 2-(2'-hydroxyphenyl)-benzotriazole in the resin skeleton and (B) a crosslinking agent, and a coating method using the coating composition.The coating composition of the invention is capable of forming coating films which are improved in acid resistance, weatherability and other properties without impairment of finished appearance and processability.

Abstract: The present invention relates to a top coating composition having:(A) A hydroxyl-containing vinyl resin containing 40 to 90 wt. % of an aromatic hydrocarbon ring-containing vinyl monomer as a monomer component, optionally in combination with (B) a hydroxyl-containing polyester resin,(C) hexamethoxymethylmelamine and/or an etherified melamine resin obtained by substituting a part or the whole of the methoxy groups in hexamethoxymethylmelamine by an alkoxy group having at least 4 carbon atoms,(D) a particulate polymer having an average particle diameter of 0.01 to 1 .mu.m, and(E) a polysiloxane compound represented by the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each represent a C.sub.1-10 alkyl group, a C.sub.1-10 alkoxy group or a hydroxyl group, R.sub.5 and R.sub.6 are the same or different and each represent C.sub.1-10 alkyl group or a hydrogen atom, and n is an integer of 10 to 1,000.

Abstract: A dispersion of reactive polymer particles obtained by polymerization of monomer in an organic liquid which dissolves the monomer but does not dissolve a polymer formed from the monomer, in the presence of a dispersion stabilizer composed of a high molecular weight polymer; characterized in that (i) said dispersion stabilizer is a high molecular weight polymer which is obtained by polymerization of an ethylenically unsaturated monomer and soluble in the above organic liquid and which contains a chemically reactive group (A); that (ii) said polymer particles are particles of a high molecular weight polymer which are obtained by polymerization of an ethylenically unsaturated monomer and contain a complementary chemically reactive group (B) capable of mutually reacting with the chemically reactive group (A); and that (iii) the chemically reactive group (A) and the chemically reactive group (B) are present stably in the dispersion.

Abstract: A hollow fiber assembly having a selective permeability including cylindrical arrangements of hollow fibers having selective permeability comprising mainly a cylindrical layer of hollow fibers formed by a crisscross arrangement of hollow fibers, a hollow portion which exists inside the above cylindrical layer of hollow fibers, a plurality of engaging members which are respectively separated from one another in said hollow portion, a resin wall (A) which is disposed at an open end of said hollow fibers and arranged to be open to the exterior without leaving any space between said fibers and with separation from said engaging means, a resin wall (B) which is disposed at the other end of said assembly for fixing the end of said assembly, an elastic supporting member for controlling the distance between the two resin walls (A) and (B), and a fluid supply conduit.