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    • 6. 发明授权
    • ALKOXYLATED ASYMMETRIC ALKYLAMINE SURFACTANTS AS ADJUVANTS
    • 烷氧基化不对称烷基胺表面活性剂作为佐剂
    • EP2161992B1
    • 2010-11-17
    • EP08774672.3
    • 2008-07-03
    • Akzo Nobel N.V.
    • ZHU, ShawnJÖNSSON, Claes, Johan, Markus
    • A01N39/04A01P13/00
    • A01N39/04A01N2300/00
    • The present invention generally relates to a herbicidal formulation that comprises at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and a surfactant adjuvant, wherein said surfactant adjuvant comprises at least one alkoxylated asymmetric alkylamine surfactant having the formula (I) wherein R1 is a straight or branched chain, saturated or unsaturated hydrocarbyl group having from 8 to 24 carbon atoms; R2 is a C1-C4 alkyl group or a benzyl group; A is an alkylene group containing from 2 - 4 carbon atoms; x is 1 - 30; and y is 0 - 10; or a quaternised derivative of (I) having the formula (II) wherein R1 is a straight or branched chain, saturated or unsaturated hydrocarbyl group having from 8 to 24 carbon atoms; R2 is a C1-C4 alkyl group or a benzyl group; A is an alkylene group containing from 2 - 4 carbon atoms; x is 1 - 30; y is 0 - 10; R3 is a C1-C4 alkyl group; and Y- is an anion. The invention also relates to a method for controlling unwanted vegetation which comprises applying an effective amount of the aforementioned herbicidal formulation to said unwanted vegetation.
    • 本发明一般涉及包含至少一种苯氧基酸除草剂或其农业上可接受的盐或衍生物和表面活性剂助剂的除草制剂,其中所述表面活性剂助剂包含至少一种具有式(I)的烷氧基​​化不对称烷基胺表面活性剂,其中 R1是具有8-24个碳原子的直链或支链,饱和或不饱和烃基; R2是C1-C4烷基或苄基; A是含有2-4个碳原子的亚烷基; x是1-30; y是0-10; 或具有式(II)的(I)的季铵化衍生物,其中R 1为具有8-24个碳原子的直链或支链,饱和或不饱和烃基; R2是C1-C4烷基或苄基; A是含有2-4个碳原子的亚烷基; x是1-30; y是0-10; R3是C1-C4烷基; Y-是阴离子。 本发明还涉及一种防治不想要的植物的方法,该方法包括将有效量的前述除草剂施用于所述不想要的植物上。