Abstract: The invention relates to an article superior in slipping a waterdrop down a surface of the article. The article has a substrate; and a functional layer formed on a surface of the substrate. The functional layer is chemically bonded to the surface of the substrate through siloxane-bonding. The article is prepared by a method including: (a) dissolving in a solvent (1) a silicone that is one of a first silicone having at an end a hydrolyzable functional group and a second silicone having at an end a hydrolyzable functional group and at the other end a fluoroalkyl group, (2) an acid, and (3) water, thereby to prepare a mixed liquid; (b) applying the mixed liquid to the surface of the substrate, thereby to form thereon a precursory layer; and (c) drying the precursory layer into the functional layer. In the preparation of the article, a silica precursor sol is optionally added to the mixed liquid.

Abstract: The present invention relates to a polymer composition capable of forming a super-hydrophobic surface which is difficult to be wetted with water and from which an adhered waterdrop can easily slide down comprising(A) a reaction product formed by a reaction of(a) a hydroxyl group-containing fluoropolymer obtained by copolymerizing a fluoroolefin, a hydroxyl group-containing vinyl monomer and another unsaturated monomer capable of coploymerizing with them,(b) an epoxy-terminated siloxane polymer represented by the formula ##STR1## wherein m is a number of 6-300 and n is a number of 0-6, at the equivalent ratio of the hydroxyl groups of the fluoropolymer (a) to the epoxy groups of the siloxane polymer (b) of 1/0.05 to 1/0.8, in the presence of(c) a sulphonic acid compound, and(B) a polyisocyanate compound, which may be blocked, or a melamine type crosslinking agent.

Abstract: A surface-modified plastic plate for use in optical disc bases, windows of aircrafts, automobiles or of architectural structures, solar cell receptors, liquid crystal display panels and protective sheet of computer touch panels, which comprises a laminate consisting of a plastic substrate; a cured film of an actinic ray-curable primer composition, said cured film formed onto a surface of the plastic substrate in a film thickness of 0.1 to 10 .mu.m; and an inorganic material layer formed onto the cured film by a physical deposition process and having a thickness of 0.1 .mu.m or more but less than 1.0 .mu.

Abstract: An electromagnetic wave absorber comprising at least one of a unit film as a multilayered film comprising a resin layer (A) optionally containing a pigment and a layer (B) applied onto the resin layer (A), selected from a group consisting of a metal layer, an alloy layer and a partly oxidized layer of the metal layer or the alloy layer, and having a film thickness of 1 nm to 50 nm.

Abstract: The invention provides a film-formable, chelate-forming resin having, per 1000 g of the resin, about 0.2 to about 3.5 moles of chelate-forming group represented by the formula [1], [2], [3] or [4]: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a halogen atom, a nitro group, a nitroso group, a cyano group, a hydrocarbon group having up to 18 carbon atoms, or an alkoxyalkyl group having up to 12 carbon atoms, and a process for preparing the resin.The invention also provides a metal surface treating composition and a corrosion preventive coating composition both containing the above chelate-forming resin, and a chelate-forming resin composition comprising the resin and a crosslinking agent.

Abstract: The invention provides a method for forming a pattern coating, the method including the steps of:applying to a substrate a radiation curable composition containing a resin (a) which contains, per kilogram of said resin (a) about 1.5 to about 4.5 moles of a polyermizable unsaturated group, about 0.4 to about 2.5 moles of a carboxyl group and 0.2 to about 3.5 moles of a thioether group, the resin having a number average molecular weight of about 500 to about 50,000; selectively irradiating a portion of the applied coating with actinic rays; and subjecting the coating to development with an alkali aqueous solution.

Abstract: A corrosion preventive resin having in the molecule at least one chelate forming group selected from among groups represented by the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are each a hydrogen atom or alkyl having 1 to 8 carbon atoms, and groups represented by teh general formula ##STR2## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same or different and are each a hydrogen atom, alkyl having 1 to 8 carbon atoms or a group forming a bivalent o-phenylene group along with two carbon atoms attached thereto. A photopolymerizable composition which includes (a) a resin having in the molecule at least one mole of polymerizable double bond per 1000 g of the resin and having per molecule at least one chelate forming group selected from among the groups represented by formula (II) and formula (III), and (b) a photopolymerization initiator is also disclosed.

Abstract: This invention provides:(A) an anti-icing composition comprising a silicone resin which is at least one condensate selected from the group consisting of:(i) a condensate of an alkoxydimethylsiloxane compound represented by the formula ##STR1## wherein R.sub.1 l is a methyl group or an ethyl group, A is an oxygen atom, an ethylene group or a 1,3-propylene group, a is an integer of 5 to 150, b and e are different or the same and each represent an integer of 1 to 3, c is an integer of 3-b and d is an integer of 3-e,(ii) a condensate of the compound of the formula (I) and an alkoxysilane compound represented by the formula(R.sub.3)h--Si--(OR.sub.2)j (II)wherein R.sub.2 is a methyl group or an ethyl group, R.sub.

Abstract: This provides an anti-icing coating composition comprising as vehicle components:(a) a copolymer having hydroxyl, or hydroxyl and a reactive group other than hydroxyl and comprising as essential monomer components a fluoroolefin and a vinyl monomer having hydroxyl and copolymerizable with the fluoroolefin,(b) a silicone compound represented by the formula ##STR1## wherein n is an integer of 6 to 300, k is an integer of 0 to 6, h is 0 or 1, m is an integer of 0 to 6, j is 1 or 2, and Y is a) hydroxyl, or b) a group reactive with the hydroxyl or the reactive group in the copolymer (a) and selected from among (i) carboxyl, (ii) epoxy and (iii) a monovalent or bivalent group containing one or two free isocyanate groups, and(c) a polyisocyanate compound.

Abstract: Disclosed is an adhesive sheet for preventing icing, the sheet being characterized in that the sheet comprises a release sheet (1), a pressure-sensitive adhesive layer (2) formed on the sheet (1), a base sheet (3) adhered to the layer (2) and an anti-icing layer (4) formed on the base sheet (3) and that the anti-icing layer (4) is formed from a composition (A) or a composition (B), the composition (A) consisting essentially of:(a) a copolymer having hydroxyl, or hydroxyl and other reactive group and comprising an essential monomer components a fluoroolefin and a vinyl monomer having hydroxyl and copolymerizable with the fluoroolefin,(b) a silicone compound represented by the formula ##STR1## wherein n is an integer of 6 to 300, k is an integer of 0 to 6, h is 0 or 1, m is an integer of 0 to 6, j is 1 or 2, and Y is hydroxyl, carboxyl, epoxy, or a monovalent or bivalent groups containing one or two free isocyanate groups, and(c) a polyisocyanate compound, and the composition (B) consisting essentially of:(d) a

Abstract: A water-repellant film-forming composition comprisinga mixture of(a) a (co)polymer of 5 to 100% by weight of a specific fluoroalkyl group-containing (meth)acrylic monomer and 0 to 95% by weight of an unsaturated monomer co-polymerizable with the fluoroalkyl group-containing (meth)acrylic monomer, and(b) a copolymer of 0.1 to 75% by weight of a specific silicon-containing polymerizable unsaturated monomer and 25 to 99.9% by weight of an unsaturated monomer copolymerizalbe with the silicon-containing polymerizable unsaturated monomer, andfine silica particles having an average particle diameter of not more than 5 micrometers, in specified amounts.

Abstract: The present invention provides: a composition for use in preventing the formation of ice comprising (A) organopolysiloxane, (B) alkali metal compound and (C) liquid or solid paraffin; a method for preventing the formation of ice by applying the composition to the surface of an object; and another method for preventing the formation of ice by applying a primer containing a silane coupling agent to the surface of an object and applying the composition to the primer coat formed.

Abstract: A composition for use in preventing the formation of ice comprising:(A) organopolysiloxane resin represented by the structural unit ##STR1## wherein R represents hydrogen atom or monovalent organic group attached to the silicon atom by a carbon-to-silicon bond, R' represents hydrogen atom, C.sub.1 to C.sub.20 alkyl group, aryl group, oxime residue, n and m are each 0 or an integer of up to 4, and n plus m is 0 or an integer of less than 4, and(B) alkali metal compound represented by the formulaMa.sym.X.crclbar.wherein M represents alkali metal selected from Li, Na and K, X represents inorganic or organic acid group or hydroxyl group and a is an integer of 1 to 4.

Abstract: A process for forming an olefinic resin film on a metal substrate, which comprises[A] forming a multilayer coated film consisting of an olefinic resin film as a surface layer portion and a cured epoxy resin film as an under layer portion on a metallic substrate by a single coating operation using a multilayer film-forming coating composition comprising as main resinous components(a) a solid powder containing an olefinic resin having a melt index of 0.3 to 80 g/10 minutes,(b) a solid powder containing a polar group-containing modified olefinic resin having a melt index of 0.3 to 80 g/10 minutes, and(c) a film-forming resinous material comprising an epoxy resin having a number average molecular weight of about 350 to about 4,000 and an epoxy equivalent of 150 to 3,800 and a curing agent therefor, and[B] then heat-bonding an olefinic resin lining material to the olefinic resin surface layer of the multilayer coated film.

Abstract: A coating composition capable of forming a multilayer coated film, said composition comprising(a) a solid powder comprising an olefinic resin containing at least 76% by weight of a structural unit derived from an olefin and having a melt index of from 0.3 to 120 g/10 min.,(b) a film-forming resin material containing an epoxy resin having a number average molecular weight of about 300 to about 4,000 and an epoxy equivalent of from 100 to 3,300, and(c) a volatile organic liquid medium capable of wetting said powder (a) but substantially incapable of swelling and dissolving said solid powder (a).

Abstract: In a process for forming a multilayer coated film which comprises coating a multilayer coat-forming paint on the surface of a substrate to form a multilayer coated film thereon, the improvement wherein prior to the coating, the surface of the substrate is treated with a solution containing at least one onium compound selected from compounds of formulae (I) and (II) below ##STR1## wherein Y represents a nitrogen, phosphorus or arsenic atom, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are identical or different and each represents a hydrogen atom or an organic group having not more than 8 carbon atoms, and X.sub..crclbar. represents an anion.

Abstract: A powder coating composition for forming multi layer coatings comprising:(1) at least one of finely divided thermosetting addition copolymers having a glass transition temperature of 35.degree. to 75.degree. C. and comprising as comonomers a wt. % of a hardness imparting monomer and b wt. % of a softness imparting monomer based on the copolymer wherein a+b.ltoreq.60, b.ltoreq.a and b.ltoreq.20, and(2) at least one of finely divided thermosetting resinous materials having incompatibility or low compatibility with the copolymer and a substantially greater surface tension than the copolymer when melted at the same temperature and substantially differing from the copolymer in composite parameter.