HIGH-LOAD HALOXYFOP ESTER COMPOSITIONS
Provided herein are high-load emulsifiable concentrate compositions containing at least 875 g/L haloxyfop ester, a solvent, and a surfactant. The concentrate compositions leave less than 3.9 weight percent residue upon pouring at 5° C.
1 . An emulsifiable concentrate comprising:
(a) at least about 875 g/L of an haloxyfop ester on a grams acid equivalent per litre (gae/L) basis;
(b) one or more solvents; and
(c) one or more surfactants;
wherein the concentrate leaves less than 3.9 weight percent residue upon pouring at 5° C.
2 . The emulsifiable concentrate of claim 1 , wherein the concentration of the haloxyfop ester is at least about 900 g/L on a gram acid equivalent per litre basis.
3 . The emulsifiable concentrate of claim 1 , wherein the haloxyfop ester is (R)-haloxyfop-methyl.
4 . The emulsifiable concentrate of claim 1 , wherein the one or more solvents are selected from the group including propylene glycol ethers, ethylene glycol ethers, fatty acid methyl esters, propanoic acid esters, lactates, alcohols and dialkylbenzenes.
5 . The emulsifiable concentrate of claim 1 , wherein the one or more surfactants are selected from the group consisting of anionic surfactants and nonionic surfactants or mixtures thereof.
6 . The emulsifiable concentrate of claim 5 , wherein the anionic surfactants are selected from the group consisting of linear calcium alkylbenzene sulfonates and alkyl sodium sulfosuccinates.
7 . The emulsifiable concentrate of claim 5 , wherein the nonionic surfactants are selected from the group consisting of polyoxyalkylene fatty alcohol ethers, polyoxyalkylene alkyl ethers, tributylphenol ethoxylates, and tridecyl alcohol ethoxylates.
8 . The emulsifiable concentrate of claim 1 , wherein the one or more solvents are selected from the group consisting of:
i. the propylene glycol ether of Formula I
wherein R 1 is a H, methyl or acetyl, and R 2 is a C 1 -C 3 alkyl or 2-methoxypropan-1-yl;
ii. the ethylene glycol ether of Formula II
wherein R 3 is a C 1 -C 6 alkyl;
iii. the fatty acid methyl ester of Formula III
wherein R 4 is a C 5 -C 11 alkyl;
iv. the propanoic acid ester of Formula IV
wherein R 5 is H or OCH 2 CH 3 , and R 6 is a C 1 -C 4 alkyl; and
v. the dialkylbenzenes of Formula V
vi. aliphatic C 1 -C 18 -alkyl lactates linear or branched in the form of D- and or L-lactates
vii. C 2 -C 12 straight-chain or branched-chain alcohols.
9 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula II, wherein R 3 is a C 1 -C 6 alkyl, and the nonionic surfactant is a polyoxyalkylene fatty alcohol ether.
10 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula I, wherein R 1 is H and R 2 is a C 1 -C 3 alkyl group, and the nonionic surfactant is a polyoxyalkylene fatty alcohol ether.
11 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula I, wherein R 1 is H and R 2 is a C 1 -C 3 alkyl group, the nonionic surfactant is a polyoxyalkylene alkyl ether, and the anionic surfactant is a calcium alkylbenezene sulfonate.
12 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula I, wherein R 1 is H and R 2 is 2-methoxypropan-1-yl, and the nonionic surfactant is a polyoxyalkylene fatty alcohol ether.
13 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula I, wherein R 1 is H and R 2 is a C 1 -C 3 alkyl, and the nonionic surfactant is a polyoxyalkylene fatty alcohol ether.
14 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula I, wherein R 1 is acetyl and R 2 is a C 1 -C 3 alkyl group, the nonionic surfactant is a polyoxyalkylene alkyl ether, and the anionic surfactant is a calcium alkylbenezene sulfonate.
15 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises one or more dialkylbenzene compounds, the nonionic surfactant is a polyoxyalkylene fatty alcohol ether, and the anionic surfactant is a calcium alkylbenezene sulfonate.
16 . The emulsifiable concentrate of any claim 8 , wherein the solvent comprises a compound of Formula IV, wherein R 5 is H and R 6 is a C 1 -C 4 alkyl group, and the nonionic surfactants include at least one polyoxyalkylene fatty alcohol ether and a tridecyl alcohol ethoxylate.
17 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula IV, wherein R 5 is OCH 2 CH 3 and R 6 is a C 1 -C 4 alkyl group, and the nonionic surfactants include at least one polyoxyalkylene fatty alcohol ether and a tridecyl alcohol ethoxylate.
18 . The emulsifiable concentrate of claim 8 , wherein the solvents comprises a compound of Formula IV, wherein R 5 is H and R 6 is a C 1 -C 4 alkyl group and a compound of Formula II, wherein R 3 is a C 1 -C 6 alkyl, and the surfactants comprises at least one polyoxyalkylene fatty alcohol ether and an anionic and nonionic surfactant blend.
19 . The emulsifiable concentrate of claim 8 , wherein the solvents comprises a compound of Formula IV, wherein R 5 is H and R 6 is a C 1 -C 4 alkyl group and a C 2 -C 12 straight-chain or branched-chain alcohol, and the surfactants comprises at least one polyoxyalkylene fatty alcohol ether and an anionic and nonionic surfactant blend.
20 . The emulsifiable concentrate of claim 8 , wherein the solvents comprises a compound of Formula IV, wherein R 5 is H and R 6 is a C 1 -C 4 alkyl group and an aliphatic C 1 -C 18 alkyl lactate linear or branched in the form of D- and or L-lactate, and the surfactants comprises at least one polyoxyalkylene fatty alcohol ether and an anionic and nonionic surfactant blend.
21 . The emulsifiable concentrate of claim 8 , wherein the solvents comprises a compound of Formula IV, wherein R 5 is H and R 6 is a C 1 -C 4 alkyl group and an aliphatic C 1 -C 18 alkyl lactate linear or branched in the form of D- and or L-lactate, and the surfactants comprises at least one polyoxyalkylene fatty alcohol ether and an alkyl sodium sulfosuccinate.
22 . The emulsifiable concentrate of claim 8 , wherein the solvent comprises a compound of Formula IV, wherein R 5 is H and R 6 is a C 1 -C 4 alkyl group, and the surfactants comprises at least one polyoxyalkylene fatty alcohol ether, an alkyl sodium sulfosuccinate and a tributylphenol ethoxylate.
23 . The emulsifiable concentrate of claim 1 further comprising a co-solvent.
24 . The emulsifiable concentrate of claim 1 , wherein the emulsifiable concentrate has a viscosity less than 6.7 pascal-second (Pa·s) at a temperature of −5° C.
25 . The emulsifiable concentrate of claim 24 , wherein the emulsifiable concentrate has a viscosity less than 5 Pa·s at a temperature of −5° C.
26 . The emulsifiable concentrate of claim 25 , wherein the emulsifiable concentrate has a viscosity less than 4 Pa·s at a temperature of −5° C.
27 . The emulsifiable concentrate of claim 26 , wherein the emulsifiable concentrate has a viscosity less than 3 Pa·s at a temperature of −5° C.