Organoamine siloxane alkoxylate surfactants

Details Organoamine siloxane alkoxylate surfactants Organoamine siloxane alkoxylate surfactants

A - Human Necessities

01

N

A01N 25/24 (2006.01) A01N 25/30 (2006.01) A01N 39/02 (2006.01) A01N 43/66 (2006.01) A01N 57/20 (2006.01) B01F 17/54 (2006.01)

Patent

CA 2247963

It has been discovered that organoamine modified siloxane alkoxylates overcome the antagonism associated with nonionic trisiloxane alkoxylates on pesticide uptake in plants. The organoamine modified siloxane alkoxylates of the present invention have the average general formula: AMe2SiO[(Me)2SiO]x[MeSi(Z)O]ySiMe2A, wherein x = 0 to 1, y = 0 to 2, with the proviso than when y = 0, A is Z, A is Z or Me, Z = RO(R1)nR2N(R3)2, R is a divalent organic group having from 2 to 4 carbon atoms, R1 is an alkyleneoxide group containing 2 to 4 carbon atoms, R2 is a divalent organic group containing 2 to 6 carbon atoms, R3 may be hydrogen, an alkyl radical with 1 to 4 carbons, an amino alkyl of one to four carbons, or an alkyl of 2 to 4 carbon atoms which may have hydroxy substitutions thereon. Each R3 may be the same or different.

On a découvert que les alcoxylats de siloxane modifiés par organoamines surmontent l'antagonisme associé aux alcoxylats de trisiloxane non ioniques lors de l'absorption de pesticides par les plantes. Ces alcoxylats de siloxane modifiés par organoamines sont représentés par la formule générale moyenne: AMe¿2?SiO[(Me)¿2?SiO]¿x?[MeSi(Z)O]¿y?SiMe¿2?A où x = 0 à 1, y = 0 à 2, à condition que, lorsque y = 0, alors A représente Z ou Me, Z = RO(R?1¿)¿n?R?2¿N(R?3¿)¿2?, R représente un groupe organique bivalent ayant 2 à 4 atomes de carbone, R?1¿ représente un groupe oxyde d'alkylène contenant 2 à 4 atomes de carbone, R?2¿ représente un groupe organique divalent contenant 2 à 6 atomes de carbone, R?3¿ peut représenter hydrogène, radical alkyl ayant 1 à 4 atomes de carbone, un aminoalkyl ayant 1 à 4 atomes de carbone, ou un alkyl ayant 2 à 4 atomes de carbone, qui peuvent porter des substitutions hydroxy. Chaque élément R?3¿ peut être identique ou différent.

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