摘要:
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 pm and aspect ratio of not less than 10, comprising the steps of: (A) adding an alkali to and coprecipitating it with a mixed aqueous solution of a water-soluble magnesium salt and a monovalent organic acid or a salt thereof, or (B) adding an alkali aqueous solution to and coprecipitating it with an aqueous solution of a water-soluble magnesium salt and adding a monovalent organic acid or a salt thereof to the resulting product; and (C) hydrothermally treating the obtained slurry at 100° C. or higher.
摘要:
Anitrate-nitrogen-reducing agent for a farm product, comprising as an active ingredient a hydroxide solid solution represented by the formula (1), [(M12+)1-x(M22+)x]1-z(M3+)z(OH)2(An−)z/n·mH2O (1) wherein M12+ represents Ca and/or Mg, M22+ represents at least one essential mineral selected from Fe, Mn, Zn, Cu, Ni and Co, M3+ represents at least one trivalent metal, An− represents an anion having a valence of n, x is a positive number in the range of 0
摘要:
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), Ca1-x-yM2+xAly(OH)2 (1) wherein M2+ represents at least one bivalent metal selected from the group consisting of Mg, Zn, Cu and etc., x is in the range of 0≦x
摘要:
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.
摘要:
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, Mg.sub.1-z M.sup.2+.sub.z O (3) in which M.sup.2+ represents at least one divalent metal ion selected from the group consisting of Mn.sup.2+, Fe.sup.2+, Co.sup.2+, Ni.sup.2+, Cu.sup.2+ and Zn.sup.2+, and z is in the range of 0.01.ltoreq.z
摘要:
A ceramic coating-forming agent of an Mg-M.sup.3+ -O based two-component oxide solid solution capable of forming a ceramic coating excellent in heat resistance, adhesion to a substrate metal, electric insulation and the properties of low thermal expansion, at a low temperature, the agent containing an Mg-M.sup.3+ -O based two-component oxide solid solution of the formula (1),(Mg.sub.1-x M.sup.2+.sub.x).sub.1-y M.sup.3+.sub.y O (1)wherein M.sup.2+ is at least one divalent metal selected from the group consisting of Ca.sup.2+, Mn.sup.2+, Fe.sup.2+, Co.sup.2+, Ni.sup.2+, Cu.sup.2+ and Zn.sup.2+, M.sup.3+ is at least one trivalent metal selected from the group consisting of Al.sup.3+, Mn.sup.3+, Fe.sup.3+, Co.sup.3+, Ni.sup.3+, Ti.sup.3+, Bi.sup.3+ and Cr.sup.3+, x is a number in the range of 0.ltoreq.x
摘要:
A fire retardant comprising 100 parts by weight of a metal hydroxide and 0.1 to 50 parts by weight of an acrylic fiber, and a fire-retardant resin composition comprising 20 to 80% by weight of a synthetic resin or rubber, 80 to 20% by weight of a metal hydroxide and 0.1 to 10 parts by weight, based on 100 parts by weight of the synthetic resin or rubber and the metal hydroxide in total, or an acrylic fiber. The present composition has improved fire retardancy free from degradation in mechanical strength and deterioration of water resistance, and the present fire retardant permits free coloring and releases no toxic smoke.
摘要:
In a process for preparing a molded article by melt-molding a mixture of (A) a hydrolyzed ethylene-vinyl acetate copolymer having an ethylene content of 20 to 80% by mole and a degree of hydrolysis in the vinyl acetate units of at least 90% by mole and (B) an olefin resin, the improvement which comprises melt-molding said mixture in the presence of a hydrotalcite solid solution (C) having the formula (I):{(M.sub.1.sup.2+).sub.yl (M.sub.2.sup.2+).sub.y2 }.sub.1-x (M.sup.3+).sub.x (OH).sub.2 (A.sup.n-).sub.x/n.mH.sub.2 O (I)According to the process of the present invention, long run processability during melt-molding can be remarkably improved, and the obtained molded article has excellent qualities, e.g., the film has few fish eyes.
摘要:
A fire-retardant resin composition comprising(A) 100 parts by weight of a member selected from the group consisting of the thermoplastic resins and the thermosetting resins,(B) about 1 to about 50 parts by weight of a halogen-containing organic fire retardant,(C) about 0.05 to about 10 parts by weight of a hydrotalcite having a BET specific surface area not exceeding about 30 square meters per gram, as a stabilizer, and(D) 0 to about 20 parts by weight of a fire-retarding assistant other than the fire retardant of (B), above.
摘要:
A method of purifying cooling water used in nuclear reactors, which comprises contacting said cooling water with a hydrotalcite compound of the following formulaM.sub.1-x.sup.2+ M.sub.x.sup.3+ (OH).sub.2 A.sub.x/n.sup.n-. mH.sub.2 O (1)wherein M.sup.2+ represents a divalent metal cation, M.sup.3+ represents a trivalent metal cation, A.sup.n- represents an anion having a valence of n, and x and m satisfy the following expressions0