Abstract: A vinyl alcohol-based polymer according to one embodiment of the present invention has an integral value (e) of 0.8 to 20 in the case when a sum of the following integral value (a) to (e) is 100 in a 1H-NMR spectrum (a) integral value of peak confirmed at 5.70 to 5.96 ppm (b) integral value of peak confirmed at 5.97 to 6.63 ppm (c) integral value of peak confirmed at 6.64 to 7.55 ppm (d) integral value of peak confirmed at 7.56 to 7.81 ppm (e) integral value of peak confirmed at 7.82 to 8.04 ppm.

Abstract: Provided is artificial leather that combines good texture, high wear resistance, and a high-quality appearance without the addition of polyurethane resin. Artificial leather that includes at least a surface fiber layer constituting a first surface, the artificial leather being characterized by the following: the surface fiber layer includes main fibers and a thermoplastic resin; the main fibers have a fineness of 0.01 dtex to 0.

Abstract: A vinyl alcohol-based polymer according to one embodiment of the present invention has an integral value (e) of 0.8 to 20 in the case when a sum of the following integral value (a) to (e) is 100 in a 1H-NMR spectrum. (a) integral value of peak confirmed at 5.70 to 5.96 ppm (b) integral value of peak confirmed at 5.97 to 6.63 ppm (c) integral value of peak confirmed at 6.64 to 7.55 ppm (d) integral value of peak confirmed at 7.56 to 7.81 ppm (e) integral value of peak confirmed at 7.82 to 8.

Abstract: Dispersing agents useful in a suspension polymerization process may be formed based on polyvinyl alcohols and processes discloses herein. The dispersing agent may include, for example: a polyvinyl alcohol having a degree of hydrolysis in the range from 60 to 80 mol %; an absorbance of not less than 0.3 measured at a wavelength of 320 nm with respect to a 0.1 wt % aqueous solution of the polyvinyl alcohol; a block character of remaining ester groups in the range from 0.4 to 0.5; and a cloud point in the range from 35° C. to 50° C. measured with respect to a 1 wt % aqueous solution of the polyvinyl alcohol. Carbonyl groups are theorized to be present along the polymer chain, which may be quantified by 1-H NMR spectra peaks.

Abstract: The polyvinyl alcohol according to the present invention to be used as a dispersant for suspension polymerization for polyvinyl chloride has a degree of saponification of 60 to 80 mol %, a block character of 0.4 to 0.6, an integration value defined by the following (a) of 0.04 to 0.1 and an integration value defined by the following (b) of 0.01 to 0.2 in a 1H-NMR spectrum, and a 0.1% by mass aqueous solution of the polyvinyl alcohol has a UV absorbance at a wavelength of 320 nm of 0.18 or more and less than 0.3. (a) An integration value from 5.42 to 5.62 ppm of a peak or peaks observed at 5.50 to 5.54 ppm when an integration value from 3.65 to 4.05 ppm of a peak or peaks observed at 3.83 to 3.87 ppm is assumed to be 100. (b) An integration value from 5.76 to 5.98 ppm of a peak or peaks observed at 5.86 to 5.90 ppm when an integration value from 3.65 to 4.05 ppm of a peak or peaks observed at 3.83 to 3.87 ppm is assumed to be 100.

Abstract: Provided is a film for packaging chemicals which does not change in appearance (e.g. yellowing), or does not generate odor, even after long-term storage; which is prevented from being scratched or contaminating rolls when the film is drawn from a roll thereof; and which expresses excellent chemical resistance. Also provided is a film for packaging chemicals which is easily detachable from a heat seal plate when contents are packed and sealed therein. The film for packaging chemicals includes polyvinyl alcohol; and a surfactant, the amount of the surfactant being 0.9% to 5% by mass based on 100% by mass of the polyvinyl alcohol, the surfactant having a polyoxyethylene structure, the number of moles of oxyethylene groups in the surfactant being 5 to 13 mol, the surfactant having a HLB of 9 to 14.5.

Abstract: The polyvinyl alcohol according to the present invention to be used as a dispersant for suspension polymerization for polyvinyl chloride has a degree of saponification of 60 to 80 mol %, a block character of 0.4 to 0.6, an integration value defined by the following (a) of 0.04 to 0.1 and an integration value defined by the following (b) of 0.01 to 0.2 in a 1H-NMR spectrum, and a 0.1% by mass aqueous solution of the polyvinyl alcohol has a UV absorbance at a wavelength of 320 nm of 0.18 or more and less than 0.3. (a) An integration value from 5.42 to 5.62 ppm of a peak or peaks observed at 5.50 to 5.54 ppm when an integration value from 3.65 to 4.05 ppm of a peak or peaks observed at 3.83 to 3.87 ppm is assumed to be 100. (b) An integration value from 5.76 to 5.98 ppm of a peak or peaks observed at 5.86 to 5.90 ppm when an integration value from 3.65 to 4.05 ppm of a peak or peaks observed at 3.83 to 3.87 ppm is assumed to be 100.

Abstract: A water-based surface treatment agent includes an organic-inorganic silicon compound (A) and inorganic particle (B), wherein the organic-inorganic silicon compound (A) is adapted to be a compound that is obtained by mixing a colloidal silica (C) and an organoalkoxysilane (D). In this regard, the ratio (MB/MA) between the solid content mass MA of the organic-inorganic silicon compound (A) and the solid content mass MB of the inorganic particle (B) preferably falls within the range from 0.2 or more and 2.0 or less, the average particle size of the organic-inorganic silicon compound (A) preferably falls within the range of 3 nm or more and 500 nm or less. In addition, the average particle size of the inorganic particle (B) preferably falls within the range of 10 nm or more and 600 nm or less.

Abstract: Provided is a film for packaging chemicals which does not change in appearance (e.g. yellowing), or does not generate odor, even after long-term storage; which is prevented from being scratched or contaminating rolls when the film is drawn from a roll thereof; and which expresses excellent chemical resistance. Also provided is a film for packaging chemicals which is easily detachable from a heat seal plate when contents are packed and sealed therein. The film for packaging chemicals includes polyvinyl alcohol; and a surfactant, the amount of the surfactant being 0.9% to 5% by mass based on 100% by mass of the polyvinyl alcohol, the surfactant having a polyoxyethylene structure, the number of moles of oxyethylene groups in the surfactant being 5 to 13 mol, the surfactant having a HLB of 9 to 14.5.

Abstract: Dispersing agents useful in a suspension polymerization process may be formed based on polyvinyl alcohols and processes discloses herein. The dispersing agent may include, for example: a polyvinyl alcohol having a degree of hydrolysis in the range from 60 to 80 mol %; an absorbance of not less than 0.3 measured at a wavelength of 320 nm with respect to a 0.1 wt % aqueous solution of the polyvinyl alcohol; a block character of remaining ester groups in the range from 0.4 to 0.5; and a cloud point in the range from 35° C. to 50° C. measured with respect to a 1 wt % aqueous solution of the polyvinyl alcohol. Carbonyl groups are theorized to be present along the polymer chain, which may be quantified by 1-H NMR spectra peaks.

Abstract: The present invention provides a water-soluble film for packaging chemicals which achieves excellent chemical resistance and water solubility and maintains high packaging properties even in a case of containing highly active chemicals such as agrochemicals or oxidants for a long period of time, and a water-soluble film package including the water-soluble film for packaging chemicals. The present invention relates to a water-soluble film for packaging chemicals, including polyvinyl alcohol, the polyvinyl alcohol containing a modified polyvinyl alcohol, the water-soluble film for packaging chemicals having a water content of 4 to 13 parts by mass based on 100 parts by mass of the polyvinyl alcohol, the water-soluble film for packaging chemicals having an orientation of 10 to 150 nm.

Abstract: A replenisher which is capable of supplying Zr ions to a metal surface treatment solution, while suppressing an increase in the HF concentration in the metal surface treatment solution, so that a chemical conversion coating film can be continuously formed on a steel sheet by electrolysis and contains (A) zirconium hydrofluoric acid or a salt thereof and/or (B) hydrofluoric acid or a salt thereof and (C) a fluorine-free zirconium compound. The total concentration (g/l) of zirconium ions derived from the components (A) and (C) is 20 or more, and the ratio of the total molar amount (MF) of the fluorine ions derived from the components (A) and (B) relative to the total molar amount (MZr) of the zirconium ions derived from the components (A) and (C), namely MF/MZr is 0.01 or more but less than 4.00.

Abstract: A water-based surface treatment agent includes an organic-inorganic silicon compound (A) and inorganic particle (B), wherein the organic-inorganic silicon compound (A) is adapted to be a compound that is obtained by mixing a colloidal silica (C) and an organoalkoxysilane (D). In this regard, the ratio (MB/MA) between the solid content mass MA of the organic-inorganic silicon compound (A) and the solid content mass MB of the inorganic particle (B) preferably falls within the range from 0.2 or more and 2.0 or less, the average particle size of the organic-inorganic silicon compound (A) preferably falls within the range of 3 nm or more and 500 nm or less. In addition, the average particle size of the inorganic particle (B) preferably falls within the range of 10 nm or more and 600 nm or less.

Abstract: A composition for adhesion layer that is used for obtaining a multi-layered surface treatment steel sheet in which an adhesion layer is formed onto at least one surface of the steel sheet, and an upper layer and/or an intermediate layer which has a design and which contains a rust preventive pigment and/or a colored pigment is formed onto the adhesion layer; the composition including a cationic urethane resin and a silicon compound in an aqueous medium, and the ratio between the temperature at which the logarithmic decrement for the mixture of the cationic urethane resin and the silicon compound in the rigid-body pendulum type free damped vibration method shows the maximum value and the temperature at which the logarithmic decrement for the cationic urethane resin alone in the rigid-body pendulum type free damped vibration method shows the maximum value is in the range of 1.2 to 3.0.

Abstract: The purpose of the present invention is to provide a replenisher which is capable of supplying Zr ions to a metal surface treatment solution, while suppressing an increase in the HF concentration in the metal surface treatment solution, so that a chemical conversion coating film can be continuously formed on a steel sheet by electrolysis. A replenisher of the present invention is a replenisher which is used for the purpose of supplying zirconium ions to a metal surface treatment solution that contains zirconium ions and fluorine ions, and the replenisher contains (A) zirconium hydrofluoric acid or a salt thereof and/or (B) hydrofluoric acid or a salt thereof and (C) a fluorine-free zirconium compound.

Abstract: A surface-treated metal material of the present invention has a composite film on the surface of a metal material. The composite film includes an organic silicon compound (W) having cyclic siloxane bonds, at least one metal compound (X) selected from a group consisting of a titanium compound and a zirconium compound, a phosphate compound (Y) and a fluorine compound (Z). In each of the components of the composite film, the ratio of XS/WS is from 0.06 to 0.16, where WS is a solid mass of Si derived from the organic silicon compound (W) and XS is a solid mass of at least one metal component selected from a group consisting of Ti and Zr included in the metal compound (X); the ratio of YS/WS is from 0.15 to 0.31, where WS is the solid mass of Si and YS is a solid mass of P derived from the phosphate compound (Y); and the ratio of ZS/WS is from 0.08 to 0.50, where WS is the solid mass of Si and ZS is a solid mass of F derived from the fluorine compound (Z).

Abstract: The present invention provides a modified polyvinyl alcohol enabling to produce polyvinyl acetal that is excellent in solubility in a solvent even with a low degree of polymerization while hardly causing reaction inhibition, coloring, and particle coarsening, and a method for producing the modified polyvinyl alcohol. The present invention also provides a modified polyvinyl acetal that is excellent in solubility in a solvent even with a low degree of polymerization, and has high elasticity, mechanical strength, and a film forming property. The present invention further provides a method for producing the modified polyvinyl acetal, a polyvinyl acetal film produced from the modified polyvinyl acetal, a method for producing the polyvinyl acetal film, a ceramic slurry composition, a method for producing the ceramic slurry composition, and a ceramic green sheet.

Abstract: This surface-treated metal material includes a composite film obtained by applying a metal surface treatment agent on a surface of a metal material and drying the metal surface treatment agent, the metal surface treatment agent containing: an organic silicon compound (W) obtained by combining a silane coupling agent (A) containing one amino group in a molecule and one glycidyl group in a molecule, at a solid content mass ratio [(A)/(B)] of 0.7 to 1.7; at least one kind of fluorine compound (X) selected from titanium hydrofluoric acid and zirconium hydrofluoric acid; a phosphoric acid (Y); a vanadium compound (Z); and at least one kind of lubricant (J).

Abstract: A composition for adhesion layer that is used for obtaining a multi-layered surface treatment steel sheet in which an adhesion layer is formed onto at least one surface of the steel sheet, and an upper layer and/or an intermediate layer which has a design and which contains a rust preventive pigment and/or a colored pigment is formed onto the adhesion layer; the composition including a cationic urethane resin and a silicon compound in an aqueous medium, and the ratio between the temperature at which the logarithmic decrement for the mixture of the cationic urethane resin and the silicon compound in the rigid-body pendulum type free damped vibration method shows the maximum value and the temperature at which the logarithmic decrement for the cationic urethane resin alone in the rigid-body pendulum type free damped vibration method shows the maximum value is in the range of 1.2 to 3.0.

Abstract: Particles each of which consists of an inorganic polyvalent metal compound as a nucleus and a coating of a metallic soap of the polyvalent metal coating the nucleus (coated particles); products and preparation processes using the particles; a lubricating coating forming agent wherein particles each of which consists of a polyvalent metal salt of phosphoric acid as a nucleus and a coating of a metallic soap of the polyvalent metal coating the surface of the nucleus are suspended in an aqueous solution of a water soluble inorganic salt and/or a water soluble organic acid salt; and a lubricating coating. The coated particles are novel particles which can be used as an ingredient of coating-type lubricating coating; are excellent in seizure resistance; can inhibit wear of tools at the time of plastic working since the friction coefficient of the surface of the particles is low; and are slow to cause pollution of working oils.