| 摘要 |
1. An agrochemical composition comprising an agrochemical active ingredient and an adjuvant of formula (I) and salts thereof X-(R<3>O)a-R<4>-NR<2>R<1> (I) wherein R<1> and R<2> are independently hydrogen or a lower alkyl group containing from 1 to 4 carbon atoms, R<3>O is as ethoxy, propoxy or butoxy group or a random or block mixture thereof, R<4> is a linear or branched chain alkylene bridging group containing from 1 to 4 carbon atoms, X is (IA) -OH or a lower alkoxy group containing from 1 to 4 carbon atoms or X is (IB) a group R<5>R<6>N wherein R<5> and R<6> are independently hydrogen or a lower alkyl group containing from 1 to 4 carbon atoms, and R<7> is a linear or branched chain alkylene bridging group containing from 1 to 4 carbon atoms or X is (IC) a group wherein R<8>O and R<12>O are independently ethoxy, or propoxy or a random or block mixture thereof, R<9> and R<13> are independently a linear or branched chain alkylene bridging group containing 2 or 3 carbon atoms, R<21> is a linear or branched chain alkylene bridging group containing from 1 to 3 carbon atoms, R<18> is hydrogen or lower alkyl containing from 1 to 4 carbon atoms, d is 0 or 1, and wherein a, is from 1 to 400 or if X is of formula IC, the sum of a, b and c is from 3 to 400, provided that when X is of formula (1B), the adjuvant of formula (1) does not have the structure wherein n is 2 or 3. 2. A composition according to claim 1 wherein a is from 1 to 50 or if X is of formula IC, the sum of a, b and c is from 3 to 90. 3. A composition according to claim 1 wherein the adjuvant of formula (I) is an alkoxylated monoamine, having the formula II CH3-O-(-CH2CH2O-) x-(-CH2-CH(CH3)-O-)y-CH2-CH(CH3)-NH2 (II) wherein the average degree of ethoxylation (x) is from 0 to about 45 and the average degree of propoxylation (y) is from 0 to about 90 provided that x and y are not both 0 at the same time. 4. A composition according to claim 3 wherein the value of x is from 0 to about 20 and of y is from about 2 to about 30. 5. A composition according to claim 1 wherein the compound of formula (I) is a diamine having a formula (II) H2N-(CH(CH3)-CH2-O)w-CH2-CH(CH3)-NH2 (III) wherein w is as average of from about 1 to about 80. 6. A composition according to claim 5 wherein w is an average of from about 2 to about 35. 7. A composition according to claim 1 wherein the compound of formula (I) is a diamine having a formula (IV) H2N-(CH(CH3)-CH2-O)r-(CH2CH2-O)s-(CH2-CH(CH3)-O-)t-CH3-CH(CH3)NH2 (IV) wherein the sum of r + t is an average of from 1 to 20 propoxy groups and s is an average of from 2 to 50 ethoxy units. 8. A composition according to claim 7 wherein the sum of r + t is from about 2 to about 15 and s is from about 3 to about 20. 9. A composition according to claim 1 wherein the compound of formula (I) is a propoxylated triamine having the formula (V) wherein the sum of d + e + f is an average of from about 5 to 90, R<22> is hydrogen or lower alkyl containing 1 to 4 carbon atoms. R<21> is a linear or branched chain alkylene bridging group containing 1 to 3 carbon atoms and d is 0 or 1. 10. A composition according to any of the preceding claims wherein the proportion of adjuvant of formula (I) to the agrochemical is from 1:20 to 3:1 by weight. 11. A composition according to any of the preceding claims wherein the adjuvant of formula (I) in claim 1 is used in combination with an alkylpolyglycoside surfactant. 12. A composition according to claim 11 wherein the ratio of the adjuvant of formula (I) to the alkylpolyglycoside surfactant is from 1 : 40 to 4 : 1. 13. A composition according to any of the preceding claims wherein the agrochemical active ingredient is a salt of glyphosate, a salt of fomesafen or a paraquat salt. 14. A composition according to any of claims 1 to 12 wherein the adjuvant of formula (I) in claim 1 is used in the form of a salt with glyphosate or a salt with an acidic surfactant. 15. A process of severely damaging or killing unwanted plants which process comprises applying to the plants or to the growth medium of the plants, a herbicidally effective amount of a composition as claimed in any of claims 1 to 14. 16. A composition according to any of claims 1 to 14 which is an aqueous composition containing from 0.01% to 90% by weight of the active ingredient.
|
