72results about How to "Good coating workability" patented technology

Disclosed is a tie coat which is formed on a surface of a base or an undercoating film prior to formation of an organopolysiloxane-based antifouling coating film and is formed from a moisture-curing organopolysiloxane-based composition comprising (b1) organopolysiloxane having condensing functional groups at both ends of a molecule and/or (b2) a curing composition formed by subjecting the component (b1) and an extender pigment selected from the group consisting of silica, calcium carbonate, talc, mica, clay, kaolin and barium sulfate to contact treatment with heating or without heating. Also disclosed is a composite coating film wherein on a surface of the above tie coat is formed a finish coat formed from a three-pack type organopolysiloxane-based curing composition comprising (c1) a main agent comprising the component (b1), (c2) a curing agent component comprising tetraalkoxysilicate or its condensate and (c3) a curing accelerator component comprising a metallic compound. Further disclosed is a composite coating film wherein an epoxy-based sealer coat, the tie coat and the finish coat are formed in this order on a surface of an old antifouling coating film (G). There is provided by the invention a tie coat capable of forming a composite coating film having excellent interlaminar bond property. The composite coating film is favorably formed on a surface of a base, an undercoating film, an old antifouling coating film or the like, has excellent interlaminar bond strength and antifouling property and is preferably used for coating outer surfaces of ships, submerged parts of marine structures, water supply/drainage channels of atomic power plant, etc.

The present invention provides an aqueous curable resin composition which can provide a coating film having an excellent finished external appearance, and is excellent in coating workability (drip property), and an aqueous coating composition using the aqueous curable resin composition. The aqueous curable resin composition of the present invention includes a (meth)acrylic-modified polyester resin, (meth)acrylic resin particles having an average particle diameter of 0.1 to 2 μm, a melamine resin, and water.

A chromate-free metal surface treating agent which is well adapted for use with a metal-coated steel material is provided. This agent provides excellent workability, adhesion, and corrosion resistance when used as a pretreatment before providing an overcoat, for example, by applying a coating composition. A steel material which has been treated with such surface treating agent, and a method for treating a metal surface with such surface treating agent, as well as a coated steel material having an overcoat formed on the surface treated steel material, and its production method are also provided. The metal surface treating agent contains a compound which contains all of the following structures (a) to (c): (a) a straight chain and/or branched organic polymer skeleton formed by carbon-carbon bond optionally containing nitrogen atom between the carbon-carbon bond; (b) a primary, secondary, or tertiary amino group; and (c) a silyl group having a hydrolyzable group and/or hydroxy group bonded by silicon-carbon bond in one molecule and/or its (partial) hydrolysis and condensation product as its critical component, and this critical component is dissolved in water and/or an organic solvent.

Provided is an article surface coating method for a photocatalyst composition capable of removing mal-odor in a room, a harmful substance or stain on the surface of an article by photocatalyst effect by coating the photocatalyst composition on the article surface of a plastic plate or a glass plate, and to obtain an article surface coating agent. The hotocatalyst composition 1, a binder 2 and a binder auxiliary agent 3 having an oily component are mixed to obtain the liquid article surface coating agent A. A coating film layer 4a obtained by thinly spreading the agent A on the surface of an article (b) is formed on the surface of the article (b). The binder and binder auxiliary agent in the outermost layer of the coating film layer are removed by wiping to expose the photocatalyst composition on the outermost layer surface of the coating film layer.

Disclosed is a liquid crystal sealing agent having long working life and excellent coatability to substrates, which is accelerated in the curing reaction of a resin, thereby increasing adhesiveness while suppressing contamination of liquid crystals by the resin. Specifically disclosed is a liquid crystal sealing agent containing (a) a polyvalent carboxylic acid having an isocyanuric ring structure represented by the general formula (1) below, (b) a curable resin composed of an epoxy resin and/or a (meth)acrylated epoxy resin, (c) a thermosetting agent, and (d) an inorganic filler. (In the formula (1), R1-R3 independently represent a hydrogen atom or a group represented by the following formula (2): ((2) wherein n represents an integer of 1-6). In this connection, R1-R3 are not hydrogen atoms at the same time).

The invention relates to a blue light filtering, water and oil dirt preventing and wear resisting lens and a preparation method thereof. The lens comprises a substrate, and the inner surface and the outer surface of the substrate are provided with first films, second films, third films, fourth films and fifth films sequentially and symmetrically from inside to outside. The first films are titanium oxide layers, and the thickness ranges from 10 nm to 100 nm. The second films are silicon dioxide layers, and the thickness ranges from 50 nm to 100 nm. The third films are metal layers, and the thickness ranges from 5 nm to 20 nm. The fourth films are high-hardness layers, and the thickness ranges from 10 nm to 50 nm. The fifth films are fluoride layers, and the thickness ranges from 3 nm to 10 nm. The preparation method comprises the following steps that 1, the substrate is washed; 2, the inner surface and the outer surface of the substrate are coated with the films respectively. The lens can effectively filter out 33% of harmful blue light and dazzling light or above, visual fatigue can be effectively relieved, the wear resistance of the lens can be remarkably improved through the high-hardness layers, and the fluoride layers have the good hydrophobicity and oil dirt preventing function.

The invention relates to a blue light filtering, dazzling preventing and wear resisting lens and a preparation method thereof. The lens comprises a substrate, and the inner surface and the outer surface of the substrate are provided with first films, second films, third films, fourth films, fifth films, sixth films, seventh films and eighth films sequentially and symmetrically from inside to outside. The first films, the fourth films and the sixth films are titanium oxide layers, and the thickness ranges from 10 nm to 100 nm. The second films, the fifth films and the seventh films are silicon dioxide layers, and the thickness ranges from 50 nm to 100 nm. The third films are metal layers, and the thickness ranges from 5 nm to 20 nm. The eighth films are high-hardness layers, and the thickness ranges from 10 nm to 50 nm. The preparation method comprises the following steps that 1, the substrate is washed; 2, the inner surface and the outer surface of the substrate are coated with the films respectively. The lens can effectively filter out 33% of harmful blue light and dazzling light or above, visual fatigue can be effectively relieved, and the wear resistance of the lens can be remarkably improved through the high-hardness layers.

The invention discloses a cathodic electrophoretic coating capable of improving the yellowing of an automobile sealant, and a preparation method and application thereof. According to the invention, polyisocyanate and an epoxy main chain undergo oxazolidonization, and a mixed structure of a tertiary-amine-grafted epoxy-terminated quaternary ammonium salt 4N structure or ketoimine-epoxy resin-amidated primary amine salt 1N structure and a thio compound-rafted epoxy-terminated thio salt 3S structure is introduced at the same time; since a mixed component composed of 3S+4N or 3S+1N is used as a main dispersion emulsion of cathodic electrophoretic color paste, the dispersibility and storage stability of the cathodic electrophoretic color paste are guaranteed; the number of amino groups in the cathodic electrophoretic coating is greatly reduced, so amine substances released by a cathodic electrophoretic film during high-temperature baking of an automobile is substantially reduced; and influence on yellowing reactivity of a plasticizer in the automobile sealant is greatly decreased, and the situation that automobiles are returned to factories and production lines for reworking and maintenance due to yellowing of the sealant with time is eliminated.

An organopolysiloxane emulsion composition for release paper or a release film, said composition being produced by dispersing a mixture comprising components (A) to (D) as mentioned below in water: (A) an alkenyl-group-containing diorganopolysiloxane having at least two alkenyl groups per molecule and having a viscosity of 1,000 Pa·s or less at 25° C., in an amount of 100 parts by mass; (B) an organohydrogenpolysiloxane having at least two Si—H groups per molecule and having a viscosity of 1 Pa·s or less at 25° C., in such to an amount that the number of moles of an Si—H group can become 0.5 to 10 times the number of moles of an alkenyl group in the component (A); (C) a curing catalyst, in an amount of 0.01 to 3 parts by mass; and (D) a polyether-modified and/or polyol-modified organosilicon compound, in an amount of 0.01 to 10 parts by mass.

The invention relates to a nonstoichiometric lanthanum titanate polycrystalline coating material and a growth technology thereof. The nonstoichiometric lanthanum titanate polycrystalline coating material has the chemical composition of La2Ti2O7-x, wherein x is equal to 0.5-0.9; and the lanthanum titanate polycrystalline coating material grows by adopting a vertical temperature gradient method. The efficiency of the La2Ti2O7-x crystal produced by adopting the vertical temperature gradient method is greatly improved, the vertical temperature gradient method contributes to saving the energy consumption, reducing the production cost and realizing large-scale industrial production of crystals, the La2Ti2O7-x crystal prepared by adopting the vertical temperature gradient method is uniform in composition, high in crystallinity, large in grain size, high in crystallization direction consistency and is easily crushed into small particles specially used for coating, the coating operability is high, and the obtained film is dense, uniform and stable.

The invention discloses a lamp cover for blue light filtering, sterilization and reflection resisting and a manufacturing method thereof. The lamp cover comprises a substrate. A first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer, a seventh film layer, an eighth film layer and a ninth film layer are successively arranged from inside to outside on the outer surface of the substrate. The first film layer, the fourth film layer and the sixth film layer are trititanium pentoxide layers. The thickness of each of the trititanium pentoxide layers is 10-100 nm. The second film layer, the fifth film layer and the seventh film layer are silicon dioxide layers. The thickness of each of the silicon dioxide layers is 50-100 nm. The third film layer is a metal layer of which the thickness is 5-20 n. The eighth film layer is a nano-silver layer of which the thickness is 5-20 nm. The ninth film layer is an acrylic acid layer of which the thickness is 5-15 nm. The manufacturing method comprises following steps of 1) cleaning the substrate; and 2) carrying out film coating on the outer surface of the substrate. The lamp cover is capable of effectively filtering harmful blue light and dazzling light, so reflection resisting performance can be improved and the lamp cover has a sterilization function.

The invention relates to an abrasion-resistant lens film coating method. The abrasion-resistant lens film coating method comprises the following steps that (1) a substrate is cleaned and dried; (2) the inner surface and outer surface of the substrate are coated with films correspondingly, specifically, both sides of the substrate are coated with first film layers, second film layers, third film layers, fourth film layers, fifth film layers and sixth film layers correspondingly. Lens is coated with a plurality of film layers, the clarity, anti-dazzling and blue light-proof performance is effectively improved, a good contribution to the visual clarity and authenticity is provided, visual fatigue can be effectively alleviated, and the arrangement of a plurality of layers of silicon dioxide layers and high hardness layers greatly improves the abrasion resistance of the lens.

The invention discloses a multifunctional mobile phone cover plate and a preparation method thereof. The mobile phone cover plate comprises a substrate, wherein the outer surface of the substrate is sequentially provided with a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer, a seventh film layer, an eighth film layer, a ninth film layer, a tenth film layer and an eleventh film layer from inside to outside; each of the first film layer, the third film layer and the fifth film layer is a trititanium pentoxide layer; each of the second film layer, the fourth film layer and the sixth film layer is a silicon dioxide layer; the seventh film layer is a metal layer; the eighth film layer is a nano-silver layer; the ninth film layer is an ITO layer; the tenth film layer is a high-hardness layer; and the seventh film layer is a fluoride layer. The preparation method comprises the following steps of (1) cleaning the outer surface of the substrate; and (2) coating a film on the outer surface of the substrate. The mobile phone cover plate disclosed by the invention can be used for effectively filtering harmful blue light, can effectively relieve visual fatigue through filtering dazzle light, has bactericidal ability and sufficient wear resistance and functions such as water and oil fouling resistance.

This invention provides a polyaddition compound of a glycidyl ether compound (a₁) having a polyoxyalkylene chain with an amine compound (a₂) having at least one active hydrogen, which has a weight average molecular weight of 250-10,000, said polyaddition compound, when used for cationic electrodeposition paint, giving a coating film which is excellent in coating workability such as appearance, oil-cissing resistance and water mark insensibility, and in sealer adhesion, corrosion resistance and paint stability, having good paint stability, and being capable of both incorporation into emulsion and post-addition to paint.