C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 7/00 (2006.01) C08K 3/22 (2006.01)
Patent
CA 2649530
Disclosed is an aluminum complex hydroxide salt having Al hydroxide octahedral layers and divalent anions present between the octahedral layers. The divalent anions contain at least an aluminosilicate anion represented by the following general formula (1). [NapAlqSirOz]2- (1) In the formula, p, q, r and z respectively represent a positive number satisfying the following relations. 5 <= z <= 20 z = (p/2) + (3q/2) + 2r + 1, 0 < p/q < 1, 0.01 <= q/r <= 1 This aluminum complex hydroxide salt can be suitably used as a compounding agent for resins. In particular, when it is blended in films for agricultural use or the like as a heat retaining agent, it exhibits excellent heat retaining property and excellent transparency.
La présente invention porte sur un sel complexe d'hydroxyde d'aluminium comportant des couches octaédriques d'hydroxyde d'Al et des anions divalents présents entre les couches octaédriques. Les anions divalents contiennent au moins un anion aluminosilicate de formule générale (1) suivante. [Na<SUB>p</SUB>Al<SUB>q</SUB>Si<SUB>r</SUB>O<SUB>z</SUB>]<SUP>2-</SUP> (1) Dans la formule, p, q, r et z représentent respectivement un nombre positif satisfaisant aux relations suivantes. 5 = z = 20 z = (p/2) + (3q/2) + 2r + 1, 0 < p/q < 1, 0,01 = q/r = 1 Ce sel complexe d'hydroxyde d'aluminium peut être utilisé de façon adaptée en tant qu'adjuvant pour résines. En particulier, lorsqu'il est mélangé en films pour application agricole, etc., en tant qu'agent de rétention de chaleur, il présente d'excellentes propriétés de rétention de chaleur et de transparence.
Mizusawa Industrial Chemicals Ltd.
Smart & Biggar
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