PACKING SYSTEM INCLUDING WATER-SOLUBLE OR WATER-DISPERSABLE SAC MADE OF POLYVINYL ALCOHOL AND PESTICIDE GEL Russian patent published in 1997 - IPC

FIELD: agriculture, plant protection. SUBSTANCE: packing system for pesticide storage consists of water-soluble or water-dispersable sac made of polyvinyl alcohol and pesticide composition as a gel of the following components, wt. -%: pesticide 60-75; aromatic hydrocarbon-base solvent 25, not above; system including surface-active substance that can form liquid mixture with pesticide or its solution if solvent presents 5.0-26.0; condensing agent taken from the group: unsaturated alcohols, nonionogenic surface-active substances, vegetable oils, diatomaceous earth, soluble at least by 10% in a mixture of pesticide, surface-active substance and solvent if the latter presents 6.0-30.0, and water - less 3% of weight. Gel can contain additionally disperser and functional additions, its viscosity is 2000-9000 sp, specific weight is above 1.05, spontaneity is less 25 and phase difference (phi) between the controlled shift tension and the resulting shift deformation according formula tg(phi) is 1.5, not above. EFFECT: improved quality of system. 6 cl