Abstract: A coating for coating a metal or a metal strip by the coil coating process comprising a solution of a polysilazane or a mixture of polysilazanes of the formula 1 —(SiR?R?-NR??)n—??(1) where R?, R? and R?? are identical or different and independently of one another are hydrogen or an unsubstituted or substituted alkyl, aryl, vinyl or (trialkoxysilyl)alkyl radical, n being an integer such that the polysilazane or mixture of polysilazanes has a number-average molecular weight of 150 to 150 000 g/mol, in at least one solvent and at least one catalyst and the solution of a polysilazane or a mixture of polysilazanes contains 1% to 50% by weight of the polysilazane or mixture of polysilazanes.

Abstract: A protective coating for a metal substrate is provided that is light, durable, galvanically protective, and easily applied at the site of manufacture. The coating has at least two layers, one of which is a galvanizing layer and one of which is a micro-composite of a galvanic metal and a non-conducting material, such as polymer. Such coatings are useful for example to protect pipes or other metal surfaces in corrosive environments. Methods of producing the coating are provided, including methods that use advanced spraying techniques to provide very thin but consistent layers. Using the advanced spraying methods the composite layer can be created by co-spraying the galvanic metal and the nonconductive material onto the surface of the galvanic coating. Optionally, an outer coat of insulating material can be applied to provide further protection to the surface.

Abstract: Adhesiveless copper clad laminates wherein a base metal layer is directly formed on at least one side of an insulating film without using an adhesive and a copper conductor layer having a desired thickness is formed on the base metal layer, the adhesiveless copper clad laminates is characterized in that a base metal layer having a thickness of 3 to 50 nm is formed on an insulating film by a dry plating method and a copper film layer is formed on the base metal layer, and the base metal layer mainly contains (1) a vanadium-molybdenum-nickel alloy consisting of 4 to 13% by weight of vanadium, 5 to 40% by weight of molybdenum, and the balance of nickel or (2) a vanadium-chromium-molybdenum-nickel alloy consisting of 4 to 13% by weight of vanadium and chromium in total including at least 2% by weight of vanadium, 5 to 40% by weight of molybdenum, and the balance of nickel.

Abstract: A plated product made of a substrate having formed thereon an alloy barrier thin film for preventing copper diffusion contains metal B, which has barrier properties in relation to copper and enables displacement plating with the copper ions contained in an electroless copper plating solution, and metal A, which tends to have less ionization than metal B in an electroless copper plating solution at a pH of 10 or higher; the alloy barrier thin film for preventing copper diffusion has a composition wherein metal A constitutes between 15 and 35 at % of the atoms; and a copper thin film is formed on the alloy barrier thin film by electroless plating using an electroless copper plating solution at a pH of 10 or higher.

Abstract: A metal-clad polymer article includes a polymeric material with or without particulate addition. The polymeric material defines a permanent substrate. A metallic material covers at least part of a surface of the polymeric material. The metallic material has a microstructure which, at least in part, is at least one of fine-grained with an average grain size between 2 and 5,000 nm and amorphous. The metallic material has an elastic limit between 0.2% and 15%. At least one intermediate layer can be provided between the polymeric material and the metallic material. A stress on the polymeric material, at a selected operating temperature, reaches at least 60% of its ultimate tensile strength at a strain equivalent to the elastic limit of said metallic material.

Abstract: The invention relates to a plain bearing composite material with a supporting layer made of a copper alloy, and with a lining applied to the bearing metal layer. The copper alloy can contain 0.5-5% by weight of nickel, 0.2 to 2.5% by weight of silicon and=0.1% by weight of lead. The lining can be a sputtered layer that is applied without an intermediate layer. The invention also relates to methods for producing this composite material.

Abstract: There are provided a film forming equipment component having a structure in which an deposited film d formed on the component can be separated from the component for a time period shorter than the prior art to reduce damage due to a cleaning fluid S, and a method of cleaning such a component. A metal film layer 2 electrochemically less noble than the matrix metal material 1 of the aforementioned component is formed on the surface of the matrix metal material 1 through thermal spraying, vapor depositing, sputtering, laminating or other process. Alternatively, a second metal film layer 3 electrochemically more noble than the aforementioned matrix metal material 1 is formed on the surface of the metal film layer 2 through said thermal spraying or other process. Thus, a local cell is formed between the metal film layer 2 and the matrix metal material 1 or the second metal film layer 3.

Abstract: A coating composition for zinc- and zinc alloy-coated steel sheets includes: 1 to 30% by weight of hypophosphorous acid, 0.1 to 10% by weight of manganese, 0.01 to 5% by weight of a polyvinyl compound, zinc oxide and the balance of water, and further comprises 20% by weight or less of alcohol, when necessary, wherein the zinc oxide is included in such a content that, when 50 Ml (milliliters) of the coating composition is neutralized and titrated with 0.1N NaOH, the NaOH used for the neutralization titration is present in an amount of 10.0 Ml (milliliters) or less, and a content of free acid in the coating composition is adjusted to such an amount that, when 50 Ml (milliliters) of the coating composition is neutralized and titrated with 0.1N NaOH, the NaOH used for the neutralization titration is present in an amount of 10.0 Ml (milliliters) or less.

Abstract: A process for treating the surface of magnesium alloy comprises providing a substrate made of magnesium alloy. A chromium layer is then formed on the substrate by magnetron sputtering and a titanium layer is formed on the substrate by magnetron sputtering. A protective layer is formed on the titanium layer. The protective layer is an epoxy resin coating.

Abstract: The present invention provides a passivant for hot-dip Al—Zn-coated sheet of which the raw materials include: 2˜6 parts by weight of water soluble molybdate, 4˜12 parts by weight of water soluble manganese salt, 50˜100 parts by weight of basic silica sol and 50˜100 parts by weight of water soluble organic resin. The present invention also provides a method to prepare the passivant for hot-dip Al—Zn-coated sheet including the following steps: adding and dissolving water soluble molybdate and water soluble manganese salt into deionized water; adding basic silica sol into the solution and mixing well; adding water soluble organic resin into the solution and mixing well; regulating the pH value of the solution to 5˜8 by using phosphoric acid. The present invention also provides a hot-dip Al—Zn-coated sheet treated with the present passivant and a method to passivate hot-dip Al—Zn-coated sheet.

Abstract: A surface-treated copper foil comprising an electrodeposited copper foil with a chromium-free rust-proofing layer which exhibits good performance in peel strength and resistance to peel loss after chemical treatment as a printed wiring board. The surface-treated copper foil comprises a rust-proofing layer and a silane coupling agent layer formed on an electrodeposited copper foil , wherein the rust-proofing layer comprises a nickel layer having a thickness by weight of 5 to 40 mg/m2 and a tin layer having a thickness by weight of 5 to 40 mg/m2 stacked in this order, and the silane coupling layer is applied on top of the tin layer. The surface-treated copper foil may be further coated with a very thin primer resin layer having a thickness of 0.5 to 5 ?m.

Abstract: Metalized plastic substrates, and methods thereof are provided herein. The method includes providing a plastic substrate having a plurality of accelerators dispersed in the plastic substrate. The accelerators have a formula selected from the group consisting of: CuFe2O4-?, Ca0.25Cu0.75TiO3-?, and TiO2-?, wherein ?, ?, ? denotes oxygen vacancies in corresponding accelerators and 0.05???0.8, 0.05???0.5, and 0.05???1.0. The method further includes removing at least a portion of a surface of the plastic substrate to expose at least a first accelerator. The method further includes plating the exposed surface of the plastic substrate to form at least a first metal layer on the at least first accelerator, and then plating the first metal layer to form at least a second metal layer.

Abstract: A flat steel product provided with a coating system, which in the coated state possesses an optimized combination of corrosion resistance and welding capacity, includes a base layer formed from a steel and a corrosion protection system applied onto the base layer. The corrosion protection system comprises a metallic coating less than 3.5 ?m thick, formed from a first metallic layer applied onto the base layer and a second metallic layer applied onto the first metallic layer, wherein the second metallic layer has formed a metallic alloy with the first metallic layer. The corrosion protection system also comprises a plasma polymer layer applied onto the metallic coating.

Abstract: Metalized plastic substrates, and methods thereof are provided herein. The method includes providing a plastic having a plurality of accelerators dispersed in the plastic. The accelerators have a formula ABO3, wherein A is one or more elements selected from Groups 9, 10, and 11 of the Periodic Table of Elements, B is one or more elements selected from Groups 4B and 5B of the Periodic Table of Elements, and O is oxygen. The method includes the step of irradiating a surface of plastic substrate to expose at least a first accelerator. The method further includes plating the irradiated surface of the plastic substrate to form at least a first metal layer on the at least first accelerator, and then plating the first metal layer to form at least a second metal layer.

Abstract: The present invention provides a galvanized metal reinforcing tensile member for use in mechanically stabilized earth structures and a method for delaying an onset of corrosion of the tensile member. The tensile member includes a structurally compromised region in a portion of the tensile member and a corrosion protective coating on at least the structurally compromised region, the coating of a thickness and composition to delay an onset of corrosion at the structurally compromised region to correspond to at least that of a remainder of the tensile member.

Abstract: A method for partially metallizing a product comprising a first surface, a first polymer material, and a second surface, a second polymer material, wherein the method comprises the sequential steps of exposing the first and second surfaces to conditions which render the first surface hydrophilic, and the second surface hydrophobic; contacting the first and second surfaces with water or aqueous solution; contacting the first and second surfaces with a solution of a film former in a water-immiscible solvent; evaporating the solvent to allow formation of a film by the film former on the second surface; adherence of a film by the film former on the first surface is prevented by the presence of the water or aqueous solution thereupon; performing a conventional metallization process to deposit a metal layer on the first and second surface; and removing the metallized film from the second surface to render the first surface metallized.

Abstract: A composite material for an electrical/electronic part, which is used as a material for use in an electrical/electronic part formed by punching process, containing a metal base material of, for example, a copper-type metal material and a substantially one layer of an insulating film provided on at least a part of the metal base material, in which a metal layer formed of Ni or a Ni—Zn alloy is interposed between said metal base material and said insulating film, such that the peel width of said insulating film at the end of the material obtained after said punching process, is less than 10 ?m.

Abstract: Disclosed is a metal-clad laminate and a method for producing a metal-clad laminate wherein adhesion between a metal layer and a thermoplastic film serving as a base material is improved, the deposition rate of a plating coat on the base material is improved, and the insulating resistance after etching is properly adjusted at the same time. The metal-clad laminate comprises a base material that is composed of a thermoplastic polymer film, a base metal layer that is provided on the surface of the base material, and an upper metal layer that is provided on the surface of the base metal layer. The base metal layer is made of a copper alloy that contains 0.05-0.21 mass % of phosphorus, and the upper metal layer is made of copper or a copper alloy.

Abstract: The invention relates to a coated article which has (i) at least one electrically non-conducting base layer, (ii) at least one layer of copper and/or a copper alloy, and (iii) a layer which contains at least one electrically conductive polymer, wherein the copper or copper alloy layer (ii) is positioned between the base layer (i) and the layer containing the conductive polymer (iii), and which is characterized in that the layer (iii) contains at least one precious metal or at least one semiprecious metal or a mixture thereof. The invention also relates to a process for its production and also its use for the prevention of corrosion and to preserve the solderability of printed circuit boards.

Abstract: A surface treated electrodeposited copper foil having a smooth M surface; a surface treatment is performed on the M surface being an opposite surface of a surface which contacted with a drum in an electrodeposited copper foil, wherein Rz is 1.0 ?m or smaller and Ra is 0.2 ?m or smaller on the M surface, electrodeposited copper plating is performed to produce a copper foil under a condition of using a copper sulfate bath, wherein a copper concentration is 50 to 80 g/l, a sulfuric acid concentration is 30 to 70 g/l, a solution temperature is 35 to 45° C., a chloride concentration is 0.01 to 30 ppm, an adding concentration of a total of an organic sulfur based compound, low molecular weight glue and polymeric polysaccharide is 0.1 to 100 ppm and TOC is 400 ppm or smaller, and a current density is 20 to 50 A/dm2.

Abstract: Provided is a copper foil for a printed circuit board comprising a layer including nickel, zinc, a compound of nickel and that of zinc (hereinafter referred to a “nickel zinc layer”) on a roughened surface of a copper foil, and a chromate film layer on the nickel zinc layer, wherein the zinc add-on weight per unit area of the nickel zinc layer is 180 ?g/dm2 or more and 3500 ?g/dm2 or less, and the nickel weight ratio in the nickel zinc layer {nickel add-on weight/(nickel add-on weight+zinc add-on weight)} is 0.38 or more and 0.7 or less. This surface treatment technology of a copper foil is able to effectively prevent the circuit corrosion phenomenon in cases of laminating a copper foil on a resin base material and using a sulfuric acid hydrogen peroxide etching solution to perform soft etching to the circuit.

Abstract: There is provided a manufacturing method of an aluminum structure, including a conductive treatment process of forming an electrically conductive layer on a surface of a resin molded body, the electrically conductive layer being made of one or more metals selected from the group consisting of gold, silver, platinum, rhodium, ruthenium, palladium, nickel, copper, cobalt, iron, and aluminum, and a plating process of plating the resin molded body subjected to the conductive treatment process with aluminum in a molten salt bath. The manufacturing method of an aluminum structure allows aluminum plating on the surface of even a porous resin molded body having a three-dimensional network structure. In particular, there is also provided a manufacturing method of an aluminum structure that can form porous aluminum having a large area.

Abstract: The invention generally encompasses compositions comprising polymers coated with one or more metallic layers. In certain embodiments, the invention encompasses compositions comprising polyurethane foam coated with one or more metallic layers. The invention also encompasses methods of coating polymers using vapor depositions techniques, for example, physical vapor deposition, with one or more metallic layers. The invention further encompasses articles of manufacture including the compositions of the invention.

Abstract: Metalized plastic substrates, and methods thereof are provided herein. The method includes providing a plastic substrate having a plurality of accelerators dispersed in the plastic substrate. The accelerators have a formula selected from the group consisting of: CuFe2O4-?, Ca0.25Cu0.75TiO3-?, and TiO2-?, wherein ?, ?, ? denotes oxygen vacancies in corresponding accelerators and 0.05???0.8, 0.05???0.5, and 0.05???1.0. The method further includes removing at least a portion of a surface of the plastic substrate to expose at least a first accelerator. The method further includes plating the exposed surface of the plastic substrate to form at least a first metal layer on the at least first accelerator, and then plating the first metal layer to form at least a second metal layer.

Abstract: A composite material for an electric/electronic part, having a metal base, a resin film on at least a part of the metal base, and a layer of Sn or a Sn alloy on at least a part of the metal base at a site where the resin film is not provided, the layer of Sn or a Sn alloy including a solidified structure, and the resin film having a residual solvent quantity adjusted to 5% to 25% by mass.

Abstract: The present invention relates to a method of accomplishment of a hybrid cord comprising an inner layer (1) in steel cord, an intermediate layer (2) in a high module and high toughness fibre and an outer layer (3) in a Polyolefin fibre. The present invention also refers to its application in an 8 (4×2) cords braided hybrid cable or any other type of hybrid cable presenting another construction, in braided or twisted cables.

Abstract: An adhesive-free flexible laminate formed from a polyimide film in which at least one surface has been plasma treated, a tie-coat layer formed on the surface of the plasma-treated polyimide film, a metal seed layer made of either copper or copper alloy and which is formed on the tie-coat layer, and a metal conductive layer made of either copper or copper alloy and which is formed on the metal seed layer, wherein the atomic percent of Cu inclusion in the tie-coat layer is 0.5 at % or less. Consequently, provided is a flexible laminate capable of effectively inhibiting the deterioration of the peel strength upon producing a flexible laminate (in particular a two-layer metalizing laminate).

Abstract: A method for making a housing comprises of providing a metal substrate; forming a base paint coating on the substrate; vacuum depositing a first metal coating on the base paint coating, the first metal coating being a chromium coating or a stainless steel coating; vacuum depositing a second metal coating on the first metal coating, the second metal coating being a commix metal coating containing chromium and stainless steel; and vacuum depositing a third metal coating on the second metal coating, the third metal coating being a stainless steel coating. A housing made by the above mentioned method is also described there.

Abstract: A piston ring includes a piston ring body and a surface coating film formed on at least one of upper and lower surfaces of the piston ring body. The surface coating film has a most outside surface layer including a heat-resistant resin and a metal powder contained in the heat-resistant resin and a base bottom layer formed nearest the piston ring body and including a heat-resistant resin. The base bottom layer may also include a metal powder.

Abstract: A composition for metal surface treatment capable of forming films and imparting excellent corrosion resistance in relation to metallic materials, in particular, metal formations having complex shapes through a single dipping step. A composition for metal surface treatment contains 5 to 30% by weight of a nonionic and/or cationic water-based resin, 100 to 1,000 ppm of trivalent Bi ions and an aminopolycarboxylic acid at 0.5 to 10 times in molar concentration based on the Bi ions.

Abstract: The present invention relates to a rust-preventive metallic component part in which a steel wire to which wire-drawing processing is performed is adapted into a substrate and which comprises a rust-preventive coating film being free from chromium on a surface of the substrate, and to a manufacturing method for the same; and its object is to provide a rust-preventive metallic component part whose rust-preventive coating film exhibits such good adhesiveness to substrate that it is not come off by elastic deformations in service, by sliding contacts at the time of transportation, and the like, and to provide a manufacturing method for the same.

Abstract: A composition for a polyimide resin, comprising a polyamic acid and a perylene black pigment having an isoindole skeleton, wherein a content of the perylene black pigment is 1 to 10% by mass based on 100% by mass of a weight of a solid content of the polyamic acid.

Abstract: The present invention discloses a method for metallizing a plastic surface. The method may comprise the steps of: 1) gasifying the plastic surface to expose the electroless plating promoter; and 2) electroless plating a layer of copper or nickel on the plastic surface, followed by electroplating or a second electroless plating to form a metallized layer on the plastic surface. Further, the present invention discloses a method for preparing a plastic article and a plastic article as manufactured by the method as described.

Abstract: The present invention provides articles comprised of a single resin system that has a surface and a core of different compositions, the surface having more extractable component and less fillers than the core. This arrangement provides for increased peel strength in articles formed from or including such articles. The present invention also provides methods of making the articles.

Abstract: A structural element for reinforcing a fuselage cell of an aircraft is provided. The structural element comprises a reinforcement profile which is made in one piece from a metallic material. The profile is provided with a strap at least in regions. As a result of the strap which is made of a fibre-reinforced layer material or fibre metal laminate and is adhesively bonded, at least in regions, to a flange of the reinforcement profile the structural element has high damage tolerance and advantageous fatigue properties. The fibre metal laminate or layer material is made of a plurality of metal layers and fibre-reinforced plastics material layers which are stacked in alternating fashion and adhesively bonded to one another over the entire surface. The reinforcement profile and the strap are joined by means of a joining layer. Said joining layer is preferably constructed from two prepreg layers and a non-fibre-reinforced adhesive layer.

Abstract: Corrosion-resistant steel for chimney/flue use in natural gas-fired or liquefied petroleum gas-fired plants, containing C: 0.005% to 0.030%, Si: 0.18% to 0.50%, Mn: 1.50% to less than 3.00, P: 0.030% or less, S: 0.0050% or less, Cr: 4.0% to 9.0%, Al: 0.20% to 1.50%, and N: 0.020% or less and able to prevent advanced pitting or other localized corrosion and the resultant hole formation and rust aerial dispersal is provided.

Abstract: The surface-treated steel sheet has a zinc-based plated steel sheet, a surface-treatment coating being formed on the surface of the zinc-based steel sheet by applying and drying a surface treatment coating composition thereon, and a top coating being formed by applying and drying a coating composition for top coating on the surface-treatment coating. The surface treatment coating composition contains a water-epoxy resin dispersion, a silane coupling agent, and phosphoric acid and/or a hexafluorometal acid. The coating composition for top coating contains a high molecular weight epoxy group-containing resin having number average molecular weights ranging from 6000 to 20000.

Abstract: Metalized plastic substrates, and methods thereof are provided herein. The method includes providing a plastic having a plurality of accelerators dispersed in the plastic. The accelerators have a formula AMxByOz, in which A is one or more elements selected from groups 10 and 11 of the Element Periodic Table; M is one or more metal elements in three plus selected from the group consisting of Fe, Co, Mn, Al, Ga, In, Tl, and rare earth elements; and O is oxygen; and x=0-2, y=0.01-2; z=1-4; and the accelerators further have a formula A?M?mOn, in which A? is one or more elements selected from groups 9, 10, and 11 of the periodic table; M is one or more elements selected from the group consisting of Cr, Mo, W, Se, Te, and Po; and O is oxygen; and m=0.01-2; n=2-4. The method includes the step of irradiating a surface of plastic substrate to expose at least a first accelerator.

Abstract: Metalized plastic substrates, and methods thereof are provided herein. The method includes providing a plastic having a plurality of accelerators dispersed in the plastic. The accelerators have a formula ABO3, wherein A is one or more elements selected from Groups 9, 10, and 11 of the Periodic Table of Elements, B is one or more elements selected from Groups 4B and 5B of the Periodic Table of Elements, and O is oxygen. The method includes the step of irradiating a surface of plastic substrate to expose at least a first accelerator. The method further includes plating the irradiated surface of the plastic substrate to form at least a first metal layer on the at least first accelerator, and then plating the first metal layer to form at least a second metal layer.

Abstract: A metallic member, which is subjected to rust-preventive treatment, includes a metallic substrate, a zinc composite coating film, and a coating layer. The metallic substrate is formed as a predetermined configuration. The zinc composite coating film is disposed on the metallic substrate. The coating layer is made by coating and drying a coating composition on the zinc composite coating film. The coating composition includes a coating vehicle, a body pigment, and a rust-preventive pigment. The coating vehicle includes an organic solvent, and a resinous material being dissolved in the organic solvent. The body pigment is dispersed in the coating vehicle. The rust-preventive pigment is dispersed in the coating vehicle.

Abstract: An article comprising a metal support with two opposing faces at least one of which is covered by a discontinuous ceramic coating. Said coating has a softening point above the melting point of the support and has at least one absorbing element for the laser radiation at a wavelength of the order of 1 ?m, being at least 1% of the weight of said coating. The invention further relates to a method for producing said article.

Abstract: A multilayer lubrication coating film is formed on the outer surface of an object to be coated. The multilayer lubrication coating film comprises a lower-layer coating film formed on an outer surface of the object to be coated, and an upper-layer coating film formed on a surface of the lower-layer coating film. The lower-layer coating film has a higher Vickers hardness than the Vickers hardness of the object to be coated.

Abstract: The invention relates to a slide bearing composite material which comprises a support layer from a copper alloy and a bearing coating applied to said support layer. The copper alloy may comprise 0.5 to 5% by weight of nickel, 0.2 to 2.5% by weight of silicon, ?0.1% by weight of lead. The bearing coating can be a galvanic layer, a sputter layer or a plastic layer. The invention also relates to methods of producing such a composite material.

Abstract: To provide a surface treated copper foil satisfying all of the bonding strength to polyimide film, chemical resistance, and etching property, and to provide a CCL using the surface treated copper foil, a surface treated copper foil is formed being comprising an untreated copper foil on at least one surface of which Ni—Zn alloy is deposited, wherein Zn content (wt %)=Zn deposition amount/(Ni deposition amount+Zn deposition amount)×100 is 6% or more and 15% or less, and Zn deposition amount is 0.08 mg/dm2 or more, or, a CCL is formed being comprising a surface treated copper foil and a polyimide film laminated on the surface treated copper foil, wherein the surface treated copper foil comprises an untreated copper foil on at least one surface of which Ni—Zn alloy is deposited, Zn content (wt %)=Zn deposition amount/(Ni deposition amount+Zn deposition amount)×100 is 6% or more and 15% or less, and Zn deposition amount is 0.08 mg/dm2 or more.

Abstract: In order to provide a flexible laminate circuit board using a surface treated copper foil satisfying all of a bonding strength of a copper foil with respect to polyimide, acid resistance, and etching property, in a flexible laminate circuit board formed by a copper foil on the surface of a polyimide resin layer, the copper foil is a surface treated copper foil formed by depositing an Ni—Zn alloy onto at least one surface of a untreated copper foil, and the Zn deposition amount in the deposited Ni—Zn alloy is 6% or more and 15% or less of the (Ni deposition amount+Zn deposition amount), and the Zn deposition amount is 0.08 mg/dm2 or more to provide a flexible cupper clad laminate.

Abstract: A coating composition for a metal is provided. The coating composition comprises a coating composition for a metal comprising a synthetic resin solid content (A); a filler (B); and a mixture of (C-1) acetylene glycol represented by the following general formula (1): and/or an ethoxylated derivative of the acetylene glycol represented by the following general formula (2): and (C-2) at least one member selected from polyoxy(ethylene-propylene) block polymer represented by the following formula (3): HO(C2H4O)w(C3H6O)x(C2H4O)y(C3H6O)zH??(3).

Abstract: A coating composition for zinc- and zinc alloy-coated steel sheets includes: 1 to 30% by weight of hypophosphorous acid, 0.1 to 10% by weight of manganese, 0.01 to 5% by weight of a polyvinyl compound, zinc oxide and the balance of water, and further comprises 20% by weight or less of alcohol, when necessary, wherein the zinc oxide is included in such a content that, when 50 Ml (milliliters) of the coating composition is neutralized and titrated with 0.1N NaOH, the NaOH used for the neutralization titration is present in an amount of 10.0 Ml (milliliters) or less, and a content of free acid in the coating composition is adjusted to such an amount that, when 50 Ml (milliliters) of the coating composition is neutralized and titrated with 0.1N NaOH, the NaOH used for the neutralization titration is present in an amount of 10.0 Ml (milliliters) or less.

Abstract: Disclosed is a laminate including an insulating resin layer and a metallic foil formed in contact with the insulating resin layer. The laminate is characterized in that the interface stress between the insulating resin layer and the metallic foil represented by the following formula (1) is not more than 7×104, when the tensile modulus of elasticity (A) of the metallic foil at 25° C. is not less than 30 GPa and not more than 60 GPa, the thermal expansion coefficient (B) of the metallic foil is not less than 10 ppm and not more than 30 ppm, the bending modulus of elasticity (C) of the insulating resin layer at 25° C. is not less than 20 GPa and not more than 35 GPa, and the thermal expansion coefficient (D) of the insulating resin layer in the XY direction from 25° C. to Tg is not less than 5 ppm and not more than 15 ppm, Interface stress={(B)?(D)}×{(A)?(C)}×{Tg?25 [° C.]}??Formula (1) wherein, Tg represents the glass transition temperature of the insulating resin layer.

Abstract: A corrosion resistant coating system having a first coating and a second coating. The first coating includes a matrix and corrosion resistant particles. The matrix is preferably a matrix material selected from the group consisting of silica, silicone, phosphate, chromate, and combinations thereof. The corrosion resistant particles are uniformly distributed within the matrix and provide the coating a predetermined coefficient of thermal expansion. The particles provide the first coating with corrosion resistance. The second coating is disposed on at least a portion of the first coating. The second coating includes an organic material capable of sufficiently sealing the pores of the first coating to reduce or eliminate infiltration of contaminant material, and is capable of being removed by exposure elevated temperatures.

Abstract: The present invention provides a metal clad laminate or a resin coated metal foil having a metal foil whose both surfaces are not substantially roughening-treated and an insulating resin composition layer using generally used insulating resin, and a printed wiring board and a manufacturing method thereof, in which the metal clad laminate or the resin coated metal foil is used, the reliability and circuit formability are high, and the conductor loss is extremely low.