An ink composition for ink jet printing is provided which gives a cured object excellent in adhesion to metallic plates, resistance to etchants, and alkali removability and can be stably ejected with an ink jet apparatus. The ink jet composition for etching resists has a viscosity at 25° C. of 3-50 mPa s and includes monomers comprising: either a polymerizable phosphoric ester compound represented by general formula (I); a polyfunctional monomer having two or more ethylenic double-bond groups per molecule and having no phosphoric ester group, the content of the ethylenic double-bond groups being 4×10−3 to 8×10−3 mol/g; and a monofunctional monomer having one ethylenic double-bond group per molecule and having neither phosphoric ester group nor carboxy group. In the formula, X represents C1-3 alkylene, Y represents C2-3 alkylene, and R represents hydrogen or methyl.

Ink-jet ink composition for etching resist

The present invention provides a casting having increased crashworthiness including an an aluminum alloy of about 6.0 wt % to about 8.0 wt % Si; about 0.12 wt % to about 0.25 wt % Mg; less than or equal to about 0.35 wt % Cu; less than or equal to about 4.0 wt % Zn; less than or equal to about 0.6 wt % Mn; and less than or equal to about 0.15 wt % Fe, wherein the cast body is treated to a T5 or T6 temper and has a tensile strength ranging from 100 MPa to 180 MPa and has a critical fracture strain greater than 10%. The present invention further provides a method of forming a casting having increased crashworthiness.

A HIGH CRASHWORTHINESS AL-SI-Mg ALLOY AND METHODS FOR PRODUCING AUTOMOTIVE CASTING

PROBLEM TO BE SOLVED: To obtain a one-component aqueous coating agent for steel excellent in resistances to corrosion, solvents, and alkalis, adhesion to coating, film adhesiveness, and bath stability and suitable for coating steel such as galvanized or non-coated steel; to provide a method for coating steel with the same; and coated steel. SOLUTION: The aqueous coating agent is prepared by compounding 5-30 mass% (solid basis) aqueous resin dispersion with 0.1-20 mass% silica particles and 0.01-5 mass% at least one compound selected from among urea compounds, phosphonate compounds, thiophosphonate compounds, phosphine oxide compounds, and hydroxylated sulfide compounds.

Aqueous coating agent for steel, coating method, and coated steel

A heat treatable aluminum alloy for shaped castings includes from about 3.5-5.5% Zn, from about 1-3% Mg, about 0.05-0.5% Cu, and less than about 1% Si.

Heat treatable al-zn-mg-cu alloy for aerospace and automotive castings

The invention relates to polyurethane-polyurea dispersions, also called PU dispersion, which contain aralkylamine-blocked isocyanate groups, and to their preparation and use. This blocking agent ahs a significantly lower deblocking temperature as compared with the prior art. Coatings produced from this dispersion have high hydrolysis resistances. The arylamine-blocked isocyanate groups are composed of polyisocyanates, polymeric polyols having average molar weights of 400 to 6000, at least one blocking agent, and either or both of nonionically hydrophilicizing compounds or compounds having at least one ionic or potentially ionic group.

Polyurethane-polyurea dispersions

A soluble lubricating surface-treated stainless steel sheet with excellent shapability for fuel tanks, comprising a substrate having on both surfaces or one surface thereof a soluble lubricating resin film. Preferably, the soluble lubricating resin film mainly comprises (A) an alkali-soluble polyurethane resin composition containing a carboxyl group or a sulfonic acid group within the molecule and having a glass transition point of 100° C. or more as a dry film and (B) a lubricating function-imparting agent in an amount of from 1 to 30% by mass based on the polyurethane composition.

Soluble lubricating surface-treated stainless steel sheet with excellent shapability for fuel tank and method for manufacturing fuel tank

The present invention provides an excellent radiation curable aqueous coating composition, which is highly safe and can make the adhesion to a metal surface and the corrosion resistance compatible which have been considered to conflict with each other, particularly adhesion after severe working and solvent resistance, and particularly durability to alcohols having high polarity. The composition of the present invention contains (1) a phosphoric acid ester compound having an ethylenically unsaturated double bond, (2) an aqueous polyurethane resin having both an ethylenically unsaturated double bond and a group capable of forming a salt, and (3) colloidal silica.

Water-based coating composition curable with actinic energy ray, coated metallic material, and process for producing the same

PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet superior in formability, coating/ baking hardenability and corrosion resistance, and a manufacturing method therefor. SOLUTION: The aluminum alloy sheet superior in formability, coating/baking hardenability and corrosion resistance, is characterized by including, by mass%, 0.2-1.6% Mg, 0.4-1.8% Si, 0.1%-1.5% Cu, 0.03-1.5% Mn, 0.05-6% Zn, and preferably further, by mass%, one or more of 0.02-0.5% Cr, 0.02-0.5% Fe, 0.02-0.5% Zr, 0.02-0.5% V, 0.003-0.2% Ti, and 0.003-0.2% B, and the balance Al with unavoidable impurities. The sheet preferably has an alkali soluble type lubricating resin film of 0.5-5 μm thick on the surface. The manufacturing method is characterized by casting the alloy, and holding it at 500-600 deg.C for one hour as homogenization treatment.

Aluminum alloy sheet superior in formability, coating/ baking hardenability and corrosion resistance, and manufacturing method therefor

PROBLEM TO BE SOLVED: To provide a coating material composition for lubrication surface treatment forming a lubricative coating which exhibits excellent workability in the case of continuous press working and continuous ironing working of a steel sheet. SOLUTION: This coating material for lubrication surface treatment essentially contains (A) an aqueous polyurethane composition containing silanol groups in its molecule, (B) 3-30 wt.% lubricity imparting agent based on the amount of the polyurethane composition and (C) 1-30 wt.% silica particles based on the amount of the polyurethane composition.

Coating material composition for lubrication surface treatment

A coating composition capable of forming an alkali-soluble lubricating film excellent in suitability for press forming and dragging resistance, which comprises as major ingredients (A) a water-based polyurethane composition and (B) a lubricity-imparting agent contained in an amount of 1 to 30 wt.% based on the water-based polyurethane composition on a solid basis; and a metallic product which has been treated so as to have a lubricative surface and be excellent in press formability and dragging resistance, characterized by having been coated with the coating composition in a thickness of 0.5 to 5 νm on a dry basis. Preferably, the coating composition contains as another major ingredient (C) silica particles in an amount of 1 to 30 wt.% based on the water-based polyurethane composition on a solid basis.

Yoichiro Mori

Papers

Soluble lubricating surface-treated stainless steel sheet with excellent shapability for fuel tank and method for manufacturing fuel tank

Water-based coating composition curable with actinic energy ray, coated metallic material, and process for producing the same

Aluminum alloy sheet superior in formability, coating/ baking hardenability and corrosion resistance, and manufacturing method therefor

Coating material composition for lubrication surface treatment

Coating composition capable of forming alkali-soluble lubricating film suitable for forming and use thereof