Kyowa Chemical Industry Co., Ltd.

Kabushiki Kaisha Kaisui Kagaku Kenkyujo

Tateho Chemical Industries Co., Ltd.

Sea Water Chemical Institute, Inc.

Kabushiki Kaisha Kaisui Kagau Kenkyujo

Other

Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha

Setolas Holdings, Inc.

Kyowa Chemical Industry

Kyowa Chemical Industry C. Ltd.

Kabushiki Kaisha Kaisui Kagaku Kenkyojo

Kabushiki Kaisha Kaisui Kagaku Kankyujo

Kyowa Kogyo Kabushiki Kaisha

Shigeo Miyata

Akira Okada

Masataka Kuroda

Tsutomu Nosu

Hitoshi Manabe

Toru Hirose

Hitoshi Anabuki

Daisuke Kudo

Noriko Iizima

Takeshi Imahashi

Yasunori Kitano

Tosihumi Okazaki

Mitsuo Takasu

Tadashi Manabe

Takamasa Moriyama

Teruo Iwanami

Makoto Yoshii

Hirofumi Kurisu

Atsuya Kawase

Ryuichi Ishibashi

Hideo Takahashi

Toshikazu Kotani

Yuya Hamamoto

Kohei Oohori

Kenta Kawahito

Kiminari Tottotsu

Mitsuru Koresawa

Michiko Takata

Kotaro Mori

Takesi Imahasi

Hitosi Anabuki

Teruko Shimada

Hitoshi Namabe

A hydrotalcite is represented by formula (1):(M)(M)(OH)(A)HO&#x2003;&#x2003;(1),

Microparticulate hydrotalcite, method for producing same, resin composition of same, and suspension of same

With respect to a plate-shaped hydrotalcite in which the average width of primary particles is increased, (1) the aspect ratio of secondary particles is increased by suppressing aggregation of primary particles by relatively reducing the average thickness thereof, and 2) the formation of a by-product that impairs the transparency of a resin is suppressed. Provided is a plate-shaped hydrotalcite represented by a formula (1) below:(M)(M)(OH)(A)HO&#x2003;&#x2003;(1)

Plate-shaped hydrotalcite with high aspect ratio, method for manufacturing same and resin composition

[Problem] To provide a magnesium hydroxide-based solid solution which has smaller primary particles and secondary particles and improved reactivity with an acid as compared with conventional magnesium hydroxide (Mg(OH)), improves the flame retardancy and mechanical strength of a resin, and also forms a non-sedimenting slurry, providing the same handleability as a liquid. [Structure] A magnesium hydroxide-based solid solution represented by the following formula (1): Mg(OH)R(Formula 1), wherein R represents a monovalent organic acid, and x represents 0&#x3c;x&#x3c;1. The magnesium hydroxide-based solid solution is a magnesium oxide (MgO) precursor. A flame retardant for a synthetic resin, including the magnesium hydroxide-based solid solution as an active ingredient. A synthetic resin composition characterized by including 0.1 to 50 parts by weight of the magnesium hydroxide-based solid solution (b) per 100 parts by weight of a synthetic resin (a); and a molded article thereof.

Magnesium hydroxide-based solid solution, and resin composition and precursor for highly active magnesium oxide which include same

A resin composition which overcomes the defects of needle-like basic magnesium sulfate and has good balance among mechanical strength, molding productivity and the appearance of a molded article. The resin composition comprises (i) 100 parts by weight of a resin (component A), (ii) plate-like magnesium hydroxide having a crystal thickness (y) of 0.2 &#x3bc;m or less, a crystal width (x) of 3.5 to 10 &#x3bc;m and an aspect ratio of 20 to 100 (component B) and (iii) needle-like basic magnesium sulfate (component C), wherein the total content of the components B and C is 1 to 100 parts by weight based on 100 parts by weight of the resin, and the weight ratio of the component B to the component C is 0.1 to 0.9:0.9 to 0.1.

Resin composition

The invention provides a resin composition whose dyeability is improved. The composition comprises a resin, and a hydrotalcite type material in an amount of 0.1 to 30 parts relative to 100 parts of the resin, wherein the hydrotalcite type material is represented by formula (1):(M)(M)(OH)(A)HO&#x2003;&#x2003;(1)

Dyeable resin composition

Magnesium hydroxide having a high aspect ratio, a production method thereof and a resin composition comprising the same. The method of producing the magnesium hydroxide having a long diameter (width) of not less than 0.5 &#x3bc;m and aspect ratio of not less than 10,

High-aspect-ratio magnesium hydroxide

A gastric ulcer therapeutic agent comprising as an active ingredient a composite hydroxide of a hydrotalcite and an aluminum hydroxide compound, which composite hydroxide is represented by the formula (1),MgAl(OH)(A)(HO)&#x2003;&#x2003;(1),

Gastric ulcer therapeutic agent

A stabilized halogen-containing resin composition containing a halogen-containing resin and a complex of acid white clay and/or activated white clay with a calcium hydroxide compound represented by the formula (1),CaMAl(OH)&#x2003;&#x2003;(1)

Stabilized halogen-containing resin composition

Anitrate-nitrogen-reducing agent for a farm product, comprising as an active ingredient a hydroxide solid solution represented by the formula (1),[(M)(M)](M)(OH)(A)&#xb7;mHO&#x2003;&#x2003;(1)

Soil conditioner

A stabilized halogen-containing resin composition containing a halogen-containing resin and a stabilizer component comprising a complex (A) of a metal silicate and a calcium hydroxide compound and at least one member selected from a hydrotalcite (B) and a tin-containing stabilizer (C), which composition has synergism (multiplier effect), overcomes the problems of decreases, due to the high loading of a stabilizer, in the inherent mechanical strength and electrical characteristic of the resin and makes reduction of cost of stabilizers, and a process for producing the complex (A).

Calcium hydroxide in which the average secondary particle diameter at a cumulative percentage of 50% by number in a particle size distribution is 2.0 &mgr;m or less and the BET specific surface area is 7 to 20 m /g and which is surface-treated with 0.1 to 10% by weight of an anionic surfactant, its production process and its use.

Calcium hydroxide, a process for the production thereof and use thereof

Ultraviolet light absorber and its use

An antialgal method, which employs, as an antialgal component, at least one solid solution selected from the group consisting of specific hydroxide or oxide solid solutions and an organic or inorganic material containing the antialgal component.

Algal growth or microbial proliferation inhibitors and use thereof

A production method of a magnesium hydroxide solid solution, Mg.sub.1-x M.sup.2+ .sub.x (OH).sub.2 or a resin and/or rubber material having as its effective elements containing said solid solution as its flame retardant, characterized by having M.sup.2+ distributed unevenly in a high concentration in the vicinity of the surface of each crystal, in the magnesium solid represented by the formula Mg.sub.1-x M.sup.2+ .sub.x (OH).sub.2 wherein M.sup.2+ is at least one divalent metal ion selected from the group consisting of Mn.sup.2+, Fe.sup.2+, Ni.sup.2+, Cu.sup.2+, Zn.sup.2+ and x indicates a range of 0.001.ltoreq.x&lt;0.5.

Magnesium hydroxide solid solutions, their production method and use

By hydrating a metal oxide solid solution shown as the following formula (3), wherein an average primary crystal particle diameter is in the range of 1 to 10 .mu.m, in the presence of monocarboxylic acid and/or oxymonocarboxylic acid in aqueous medium,

Metal hydroxide and oxide solid solutions having high aspect ratios and

Growing community of inventors

Kitakyushu, Japan

Shigeo Miyata