| 摘要 |
An aluminum complex hydroxide salt having Al oxide octahedral layers and a divalent anion among the octahedral layers, wherein an aluminosilicate anion expressed by the following general formula (1), <?in-line-formulae description="In-line Formulae" end="lead"?>[NapAlqSirOz]2- (1)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein p, q, r and z are positive numbers satisfying, 5<=z<=20, z=(p/2)+(3q/2)+2r+1, 0<p/q<1, 0.01<=q/r<=1 is, at least, contained as the divalent anion. The aluminum complex hydroxide salt can be favorably used as a compounding agent for resins, and exhibits excellent heat retaining property as well as excellent transparency particularly when it is mixed as a heat retaining agent into films for agricultural use.
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