HYDROTALCITE COMPOUND, PROCESS FOR PRODUCING THE SAME, AND AGRICULTURAL FILM CONTAINING THE SAME

摘要

A hydrotalcite compound which has the excellent ability to absorb infrared rays and has excellent light transmission when contained in an agricultural film; a process for producing the compound; and an infrared absorber and an agricultural film both containing the compound. The hydrotalcite compound is characterized by retaining as the interlaminar anions at least one kind of anions selected among ions of silicon-, phosphorus-, and boron-containing polymeric oxyacids and another kind of anions.