PROBLEM TO BE SOLVED: To keep fluidity of a biocidal agent composition containing a vegetable oil and a surfactant and preparation stability of the composition with time for a long period at a low temperature.SOLUTION: The fluidity of the biocidal agent composition at a low temperature and preparation stability of the composition with time can be kept for a long period by adding a (co)polymer (C) of monomer(s) represented by formula (1) to the biocidal agent composition containing the vegetable oil and the surfactant, and the fluidity of the biocidal agent composition at a low temperature and preparation stability of the composition with time can further be improved by adding a carboxylate represented by formula (2) to the above components.COPYRIGHT: (C)2006,JPO&NCIPI【課題】植物油と界面活性剤を含む殺生剤組成物の流動性や経時的製剤安定性を低温で長期間維持すること。【解決手段】下記式(1)で表される単量体の(共)重合体(C)を植物油と界面活性剤を含む殺生剤組成物に加え、低温での流動性や経時的製剤安定性を長期間維持することができ、下記式(2)で表されるカルボン酸エステルを加えることにより、低温での流動性や経時的製剤安定性を向上させることができる。【選択図】なし
