Formulations of clomazone
a technology of clomazone and microencapsulation, which is applied in the field of agrochemical compositions and formulations, can solve the problems of inability to co-encapsulate, agricultural agents are incompatible with clomazone, and the concentration of clomazone formulations is limited in the field of clomazone to achieve the concentration of clomazone,
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example 1
Preparation of Clomazone-Linseed Oil Herbicidal Composition (Formulation A)
[0148]Technical grade clomazone (255 g, 94.8% pure), linseed oil (45 g), and polymethylene polyphenylisocyanate (31.5 g, PAPI® 27, Dow Chemical Company) were added to a beaker to yield an organic mixture. In a separate stainless steel blender cup, sodium lignosulfonate (7.2 g, Reax 88B, MeadWestvaco Corporation) was stirred vigorously with water (228 g) at high speed on a blender (Waring Commercial Blender, Model HGBSSSS6) to give an aqueous mixture. The temperature of both the aqueous mixture and the organic mixture was raised to 45° C. While held at that temperature, with the stirring stopped, the organic mixture was added to the aqueous mixture. After the addition was complete, the resulting mixture was mixed at high speed for 15 sec. The stirring was then reduced to a lower speed, and a 1,6-hexanediamine aqueous solution (31.2 g of 42% solution) was added over 1 minute. The mixture was transferred to a ja...
example 2
Development of High Loading Clomazone Microencapsulated Composition
[0164]An herbicidal composition comprising microencapsulated clomazone wherein the clomazone content is significantly higher than the content of the commercially available microencapsulated clomazone is illustrated by Formulation B.
Preparation of Clomazone-Linseed Oil-Ammonium Sulfate Composition (Formulation B)
[0165]Technical grade clomazone (452 g, 94.8% pure), corn oil (17.6 g), and polymethylene polyphenylisocyanate (55.9 g PAPI® 27, Dow Chemical Company) were added to a beaker to yield an organic mixture. In a separate stainless steel blender cup, sodium lignosulfonate (12.8 g Reax 88B, MeadWestvaco Corporation) was stirred vigorously with water (360 g) at high speed on a blender (Waring Commercial Blender, Model HGBSSSS6) to give an aqueous mixture. The temperature of both the aqueous mixture and the organic mixture was raised to 45° C. While held at that temperature, with the stirring stopped, the organic mixt...
example 3
Development of High Loading Clomazone Microencapsulated Composition
[0179]An herbicidal composition comprising microencapsulated clomazone wherein the clomazone content is significantly higher than the content of the commercially available microencapsulated clomazone is illustrated by Formulations C to H. Formulations C to F demonstrate working examples of herbicides with high clomazone content, while Formulations G and H disclose attempts to make even higher clomazone-content herbicides.
Preparation of Linseed Oil-Clomazone-Ammonium Sulfate Composition (Formulation C)
[0180]Technical grade clomazone (255 g, 94.8% pure), linseed oil (25.7 g), and polymethylene polyphenylisocyanate (31.7 g, PAPI® 27, Dow Chemical Company) were added to a beaker to yield an organic mixture. In a separate stainless steel blender cup, sodium lignosulfonate (7.23 g, Reax 88B, MeadWestvaco Corporation) was stirred vigorously with water (229 g) at high speed on a blender (Waring Commercial Blender, Model HGBS...
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