Toagosei Company, Ltd.

Toagosei Chemical Industry, Co., Ltd.

Fujifilm Corporation

Koji Sugiura

Hideki Kato

Hiroki Kourai

Yasuharu Ono

Yoshinao Yamada

Noriyuki Yamamoto

Kentarou Miyamura

Shuichi Ohsumi

Takuya Oomura

Kentaro Miyamura

Satoko Ando

Satoshi Yamato

Hidemu Inoue

Takashi Suzuki

Satoru Maekawa

An antiviral agent of the present invention includes an inorganic solid acid having an acid site concentration of more than 0.005 mmol/g. The inorganic solid acid preferably includes an inorganic phosphoric acid compound, an inorganic silicic acid compound, or an inorganic oxide. An acid strength (pKa) of an acid site in the inorganic solid acid is preferably 3.3 or less.

Antiviral agent, coating composition, resin composition and antiviral product

To provide a chemical adsorbent for an acid gas, the chemical adsorbent having a high chemical adsorbing performance and not causing resin degradation, and to provide a deodorant processed product such as paper, nonwoven fabric, or fibers, the deodorant processed product exhibiting an excellent deodorizing performance by using the adsorbent. A chemical adsorbent for an acid gas, the chemical adsorbent including an amorphous zirconyl hydroxide represented by Formula (1) below, as a main component, and a deodorant processed product in which the chemical adsorbent for an acid gas is applied or kneaded:(ZrO)(HfO)(OH)HO&#x2003;&#x2003;(1)in which, in Formula (1): x, y, and z each represents a positive number; x represents a number from 0.0001 to 0.005; y represents a number from 1.9 to 3.0; and z represents a number from 0.05 to 1.0.

Adsorbent and deodorant processed product comprising zirconyl hydroxide

The deodorant of the present invention is characterized in that the deodorant consists of a crystalline zinc oxide in which zinc oxide and aluminum oxide are composited, and a molar ratio (ZnO/AlO) of the zinc oxide to the aluminum oxide is in a range from 40 to 80. The deodorant has a high deodorizing effect against sulfur gases and acidic gases. A preferable average particle size of the deodorant is 0.2 to 15 &#x3bc;m.

Deodorant and deodorizing product

Provided are: a deodorizer that has high VOC-adsorbing performance and can exhibit deodorizing properties even in a case in which the deodorizer is kneaded into resin, a deodorizing processed product produced by using the deodorizer, and a method for producing the deodorizer. The deodorizer of the present invention is characterized by including a zeolite represented by the following Formula [1], in which the zeolite is obtained by producing a zeolite and then heating the produced zeolite at a temperature of from 120&#xb0; C. to 250&#xb0; C.: xNaO.AlO.ySiO.zHO [1]. In Formula [1], x represents a positive number of from 0.5 to 5.0, y represents a positive number of from 80 to 150, and z represents a positive number of from 1 to 20.

Deodorizer, deodorizing processed product produced using same, method for producing deodorizer, and method for producing deodorizing processed product

The deodorant composition of the present invention includes an amorphous aluminum silicate, a hydrazide compound, and a crystalline zinc oxide in which at least two peaks among three peaks detected within a diffraction angle (2&#x3b8;) range from 30 to 38 degrees when the crystalline zinc oxide is subjected to X-ray powder diffraction measurement have a half width of 0.4 to 1.2 degrees in an X-ray diffraction chart, wherein a content of the crystalline zinc oxide is in a range from 100 to 500 parts by mass based on 100 parts by mass of the hydrazide compound, and wherein a content of the amorphous aluminum silicate is in a range from 100 to 750 parts by mass based on 100 parts by mass of the hydrazide compound.

Deodorant composition and deodorizing product

It is an object of the present invention to provide a deodorant or a deodorant composition which has excellent deodorizing performance with respect to sulfurous stench from methyl mercaptan and hydrogen sulfide and the like. It is another object of the present invention to provide a deodorant or a deodorant composition which maintains a deodorizing effect with respect to sulfurous stench and which makes it possible to suppress resin deterioration in the case of being kneaded into a resin, and a deodorizing product containing the same. A deodorant of the present invention contains amorphous copper silicate represented by the following formula [1]:NaO.CuO.SiOHO&#x2003;&#x2003;[1]

Deodorant, deodorant composition, and deodorizing product

To provide a transparent aldehyde-gas-adsorbing liquid that has high adsorption performance for an aldehyde gas and excellent processability and storage stability. To also provide an aldehyde-gas-adsorbing processed product such as a paper or a nonwoven fabric or fiber exhibiting excellent adsorption performance using the gas-adsorbing liquid. An aldehyde-gas-adsorbing liquid that contains a dihydrazide compound and a metal oxide sol, the content of the dihydrazide compound being 1.3 to 6 mass % relative to the total amount of gas-adsorbing liquid, and the total content of the dihydrazide compound and the metal oxide sol solids content being 18 to 45 mass % relative to the total amount of gas-adsorbing liquid.

Aldehyde-gas-adsorbing liquid and gas-adsorbing processed product using same

A deodorizing mask includes an air permeable mask main body for covering nose and mouth of the user with at least two types of nonwoven cloth, the mask main body having a deodorizing nonwoven cloth layer including a chemical adsorptive deodorizer and a dustproof nonwoven cloth layer having a dustproof effect, and the air permeability of the dustproof nonwoven cloth layer being &#x2154; or less of the air permeability of the deodorizing nonwoven cloth layer. Preferably, the air permeability of the dustproof nonwoven cloth layer is in a range of 10 to 120 cm/(cm&#xb7;s) in a permeated air quantity based on the Frazir method, the air permeability of the deodorizing nonwoven cloth layer is in a range of 40 to 400 cm/(cm&#xb7;s) in a permeated air quantity based on the Frazir method, and the permeated air quantity of the dustproof nonwoven cloth layer is &#x2154; or less of the permeated air quantity of the deodorizing nonwoven cloth layer.

Deodorizing mask

To provide a method for producing an aldehyde gas deodorant which has high aldehyde deodorizing performance, and which is negative for mutagenicity and excellent in safety, and a deodorant processed product. A method for producing an aldehyde gas deodorant, the method comprises the steps of: preparing a deodorizing composition containing a dihydrazide compound, a water-containing inorganic powder, and water; and heating the deodorizing composition at a temperature of from 45&#xb0; C. to 90&#xb0; C. so that water remains in an amount of 4.5% by mass or more, based on the total mass of the deodorant produced, and wherein the aldehyde gas deodorant is negative for mutagenicity measured by an AMES test.

Aldehyde gas deodorant and method for producing same

The present invention is a process for easily producing a hexagonal zirconium phosphate powder having excellent dispersibility and a specific particle size distribution by the use as a starting material of a zirconium carbonate powder for which a specific particle size is easily obtainable. A hexagonal zirconium phosphate powder having a specific particle size distribution and high crystallinity can be produced by making zirconium carbonate be present in an aqueous solution containing phosphate ion and at least one of ion selected from an alkali metal ion, an alkaline earth metal ion, and ammonium ion, aging by a wet method, and then heating under dry conditions.

Process for producing hexagonal zirconium phosphate powder

[Object] The object of the invention is to provide a granular antimicrobial agent for water processing which has sufficient water permeability and antimicrobial effect, and the effective duration of which can be readily ascertained when used as a water-processing antimicrobial agent in the home. [Means for Solving the Problems] A granular antimicrobial agent for water processing which has a solubility at 25&#xb0; C. of preferably 0.1 mg/g&#xb7;L&#xb7;hour to 1 mg/g&#xb7;L&#xb7;hour, comprises 0.5 wt % to 4 wt % of AgO, 2 wt % to 10 wt % of KO, 35 wt % to 50 wt % of SiO, and 40 wt % to 55 wt % of BO, and has a semispherical or conical shape in part was found. In addition, the inventors found that the antimicrobial agent is highly suitable for use in various kinds of water processing, particularly, the antimicrobial treatment of water used for washing, and completed the invention.

Granular antimicrobial agent for water processing

An object of the present invention is to provide a low thermal expansion filler for low thermal expansion glasses which has a low coefficient of thermal expansion and exhibits superior flowability in a molten state, and a glass composition containing the same. It has been found that a low thermal expansion filler composed of a hexagonal zirconium phosphate powder where a specific particle size of 0.8 &#x3bc;m to 50 &#x3bc;m is 95% or more on a volume basis has excellent low thermal expansion property and excellent flowability, and a glass composition containing the filler has been accomplished.

Low thermal expansion filler, method for preparing the same and glass composition

Disclosed is a silver-based inorganic antimicrobial agent which exhibits superior heat resistance, chemical resistance, processability and long-lasting waterproofness. The present invention was completed based on the finding that the problems can be solved by a silver-based inorganic antimicrobial agent represented by the following Formula (1) containing zirconium pyrophosphate (ZrPO).AgMZrHf(PO)HO&#x2003;&#x2003;(1) (In Formula (1), M is at least one ion selected from an alkali metal ion, an ammonium ion, a hydrogen ion and an oxonium ion, a, b, c and d are positive numbers satisfying 1.75&#x3c;(c+d)&#x3c;2.2 and a+b+4(c+d)=9, and n is 2 or less).

Silver-based inorganic antimicrobial agent, method for preparing the same and antimicrobial product

Disclosed are a powder of a silver-based inorganic antimicrobial agent with superior dispersability or water permeability, composed of silver-supporting hexagonal zirconium phosphate, and an antimicrobial product and a water processing material using the silver-based inorganic antimicrobial agent powder. The silver-based inorganic antimicrobial agent containing hexagonal zirconium phosphate crystals, which has a particle size distribution to enable easy handling as a powder and contribute to exhibition of antimicrobial properties, can be prepared by a preparation method including wet-heating zirconium carbonate. When the silver-based inorganic antimicrobial agent wherein particles with a size of 10 &#x3bc;m to 100 &#x3bc;m are 90% or more on a volume basis is kneaded into resin products, since aggregation or the like may not occur and the silver-based inorganic antimicrobial agent can be easily exposed on the surface of molded articles, antimicrobial effects are thus readily exhibited on the surface.

Silver-based inorganic antimicrobial agent and method for preparing the same

The present invention is completed by finding that a silver ion-containing zirconium phosphate represented by the following formula (1) is excellent in heat resistance and chemical resistance, low in resin coloring and excellent in processability.AgMZrHf(PO)HO&#x2003;&#x2003;(1)wherein, in the formula (1), M is at least one ion selected from alkali metal ion, hydrogen ion and ammonium ion, a, b, c and d are positive numbers satisfying a+b+4(c+d)=9; c and d satisfy 1.75&#x3c;(c+d)&#x3c;2.25; and n is 0 or a positive number of not more than 2.

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Nagoya, Japan

Koji Sugiura