摘要:
In a method for inhibiting the corrosion-causing tendency and coloration of an olefin polymer or copolymer containing a halogen component by incorporating about 0.01 to about 5 parts by weight of a hydrotalcite; the improvement which comprises mixing an olefin polymer or copolymer containing a halogen component attributed to a polymerization catalyst and/or to post-halogenation, with a hydrotalcite of the formulaMg.sub.1-x Al.sub.x (OH).sub.2 A.sub.x/n.sup.n-.mH.sub.2 Owherein0 direction determined by an X-ray diffraction method, of at least 600 A, preferably at least 1000 A.
摘要:
A fire-retardant thermoplastic resin composition consisting essentially of:(A) a thermoplastic synthetic resin,(B) about 40 to 150 parts by weight, preferably about 70 to 120 parts by weight, per 100 parts by weight of the thermoplastic synthetic resin, of at least one magnesium-containing inorganic compound selected from the group consisting of magnesium hydroxide, basic magnesium carbonate hydrate and hydrotalicites, and(C) a fire-retardant assistant selected from the group consisting of (1) about 0.1 to 30 parts by weight, per 100 parts by weight of the magnesium-containing inorganic compound, of an alkali metal chloride, (2) about 0.2 to 5% by weight, calculated as metal per 100 parts by weight of the magnesium-containing inorganic compound, of an inorganic tin compound, and (3) a combination of the alkali metal chloride (1) with about 0.2 to 5% by weight, calculated as metal per 100 parts by weight of the magnesium-containing inorganic compound, of an inorganic tin compound and/or an inorganic vanadium compound.
摘要:
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).
摘要:
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 m2/g and which is surface-treated with 0.1 to 10% by weight of an anionic surfactant, its production process and its use.
摘要:
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
摘要:
A halogen-containing resin composition made stable to heat and light, by incorporating(a) a calcium-based composite metal hydroxide of the formula (1),Ca.sub.1-x M.sup.2+.sub.x (OH).sub.2 (1)wherein M.sup.2+ is Mg.sup.2+, Mn.sup.2+, Fe.sup.2+, Co.sup.2+, Ni.sup.2+ and Zn.sup.2+ and x is a number in the range of 0.005
摘要:
A anti-microorganism agent completely or nearly free of toxicity, insoluble or sparingly soluble in water or an organic solvent so as not to contaminate the environment and highly effective as such, which is composed of at least one of a composite metal hydroxide of the formula (1),(M.sub.1.sup.2+).sub.1-x (M.sub.2.sup.2+).sub.x (OH).sub.2 ( 1)wherein M.sub.1.sup.2+ is at least one of Mg.sup.2+ and Ca.sup.2+, M.sub.2.sup.2+ is at least one of Cu.sup.2+ and Zn.sup.2+, and x is defined by 0.001.ltoreq.x
摘要:
A stabilized halogen-containing resin composition wherein(a) 0.01 to 10 weight parts of da hydrotalcite,(b) 0.01 to 5 weight parts of a zinc compound,(c) 0.01 to 5 weight parts of magnesium hydroxide, and(d) 0.01 to 5 weight parts of a .beta.-diketone compound and/or a phosphite compoundare compound into a halogen-containing resin per 100 weight parts thereof and a molding article therefrom.
摘要:
A purifier for nuclear reactor cooling water, which contains, as an active ingredient,a titanium oxide-based solid solution of the formula (1)(Ti.sub.1-x Al.sub.x)O.sub.2 (1) wherein x is defined by 0
摘要:
In a process for producing a polymer or copolymer of a vinyl chloride monomer with or without a comonomer by aqueous suspension polymerization or copolymerization in the presence of a suspension stabilizer and a polymerization initiator which is insoluble or sparingly soluble in water and soluble in the monomer; the improvement wherein the polymerization or copolymerization is carried out in the presence of, as said suspension stabilizer, 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+ is at least one divalent metal cation, M.sup.3+ is at least one trivalent metal cation, A.sup.n- is an anion having a valence of 1 to 4, and x and m represent numbers satisfying the following expressions0