JP2020076007A - 水性塗料組成物とこれを用いた害虫防除方法 - Google Patents
水性塗料組成物とこれを用いた害虫防除方法 Download PDFInfo
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- Catching Or Destruction (AREA)
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Abstract
Description
ピレスロイド系化合物であるエトフェンプロックス(融点36.4〜38.0℃)を、50℃の温度下で溶融させ、表1に記載のシリカ系無機多孔質担体に表1に示す量で混合して吸着させ、複合製剤1〜複合製剤5を調製した。なお、表1に示すシリカA、シリカBとは、次の通りである。
シリカA:合成非晶質シリカ;東ソー・シリカ(株)製沈降性シリカ「ニップシールVN3」
シリカB:合成非晶質シリカ;東ソー・シリカ(株)製沈降性シリカ「ニップゲルBY−200」
調製した複合製剤1〜複合製剤5を、室温で24時間静置した後、複合製剤の外観が粉末状となっているか,塊状となっているかにより、粉末化の容易性を評価した。
○:全体が均一な粉末状となっている。
△:若干粒状の塊が存在する。
×:全体が塊状となっている。
樹脂エマルション:アクリル樹脂エマルション;高圧ガス工業(株)製「ペガール896」(固形分50重量%)
シリカ系無機多孔質担体:合成非晶質シリカ;東ソー・シリカ(株)製沈降性シリカ「ニップシールVN3」
ピレスロイド系化合物:エトフェンプロックス(融点36.4〜38.0℃)
(塗料粘度)
各実施例及び比較例の水性塗料組成物の温度を23℃に調整し、B8H型粘度計(回転数20rpm、測定時間2分間)を用いて測定した。
フレキシブル板(180cm×90cm)に、下塗りとしてJIS K 5663合成樹脂エマルションシーラーを90g/m2程度になるようにスプレーにて塗布した。1日後、各実施例及び比較例の水性塗料組成物を植毛ローラーで塗装して、ローラー塗装作業性を評価した。
○:塗装作業性が良好である(ローラーを手早く運行してもローラーが滑らずにスムーズに回転する)。
△:塗装作業性が概ね良好である(ローラーをゆっくりと運行すればローラーが滑らずにスムーズに回転する)。
×:塗装作業性が著しく劣る(ローラーをゆっくりと運行してもローラーが滑って回転しにくい)。
ガラス板(15cm×10cm)に各実施例及び比較例の水性塗料組成物をウェット膜厚150μmのアプリケーターを用いて塗布した。これら試験体を23℃、相対湿度50%で3日間乾燥させ、塗膜表面粘着を指触評価した。
○:表面粘着が無い(指を押し当てても試験板は持ち上がらない)。
△:表面粘着があまり無い(指を押し当てると少し試験板が持ち上がるが、すぐに離れる)。
×:表面粘着が著しい(指を押し当てると試験板が持ち上がり、すぐには離れない)。
フレキシブル板(15cm×10cm)に、下塗りとしてJIS K 5663合成樹脂エマルションシーラーをスプレー塗装にて90g/m2になるように塗布し、23℃、相対湿度50%で2時間乾燥させた。乾燥後、各実施例及び比較例の水性塗料組成物をウェット膜厚150μmのアプリケーターを用いて塗布し、23℃、相対湿度50%で7日間乾燥させた。これら試験体を純水に3日間浸漬して、耐水性を評価した。
○:塗膜の膨れが発生しない。
△:塗膜の膨れの程度がJIS K 5600−8−2に規定している膨れの密度1〜2。
×:塗膜の膨れの程度がJIS K 5600−8−2に規定している膨れの密度3以上。
100ccのポリプロピレンカップに高さが1.5cmになるようにコンクリートを敷き詰め、各実施例及び比較例の水性塗料組成物を刷毛にて260g/m2になるように塗布した。室温で7日間乾燥させた後、イエシロアリを約100頭放ち、所定時間でのイエシロアリの苦死虫率を算出した。
500ccのポリプロピレンカップに高さが1.5cm程度となるように珪砂を敷き詰める。その上に、各実施例及び比較例の水性塗料組成物を刷毛にて260g/m2になるように塗布したコンクリート片を設置した。コンクリート片の上部に餌木として杉を設置した後、イエシロアリを約200頭放ち、所定時間でのイエシロアリの苦死虫率を算出した。
Claims (3)
- 樹脂エマルションと、シリカ系無機多孔質担体にピレスロイド系化合物を担持させた複合製剤とを含有し、
前記シリカ系無機多孔質担体は、BET比表面積が80〜500m2/gであり、
前記ピレスロイド系化合物の担持量が、前記シリカ系無機多孔質担体100重量部に対して100〜250重量部であり、
前記樹脂エマルションの固形分100重量部に対して、前記シリカ系無機多孔質担体を2〜10重量部、かつ、前記ピレスロイド系化合物を4〜25重量部含有する、水性塗料組成物。 - 不揮発性の液状ポリオール類を0.3〜5.0重量%含有する、請求項1に記載の水性塗料組成物。
- 請求項1または請求項2に記載の水性塗料組成物を、建材、建築物、又は家具の表面に塗布する、害虫防除方法。
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JPS60241406A (ja) * | 1984-05-12 | 1985-11-30 | 大塚化学株式会社 | 家具等の防虫方法 |
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