| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject mat designed to facilitate judgment of the presence/absence of its efficacy through clearing the endpoint of its use when used as a long-time-serviceable mat by including diisononyl adipate as color tone regulator. SOLUTION: This mat is obtained by including diisononyl adipate as color tone regulator. It is preferable that this mat contain, per 2.2 cm3 area, (A) 2-150 mg of an insecticidal ingredient, pref. a pyrethroid compound (e.g. allethrin), (B) 0.1-4 mg of a coloring matter, pref. an anthraquinone-based blue coloring matter (e.g. 1,4-diisopropylaminoanthraquinone), (C) 5-200 mg of diisononyl adipate, and as necessary (D) 2-100 mg of a stabilizer and (E) 2-20 mg of a perfume. This mat is such as to hold the above ingredients A to E on a fibrous material such as pulp board or polyester nonwoven fabric or a porous support such as ceramic one.
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