| abstract |
PROCEDURE FOR OBTAINING MOLDED ARTICLES CONTAINING PYRETHRINS. CONSISTS OF INCORPORATING, FROM 0.5 TO 20% BY WEIGHT, REFERRED TO THE MOLDED ARTICLE, 3-PHENOXI-4-FLUORO A-CYANBENZYL-2,2-DIMETHYL-3-(2-P-CHLOROPHENYL-2-CHLOROVINIL)- CYCLOPROPANCARBOXYLATE, 3-PHENOXI-4-FLUOR-A-CYANBENZYL-2,2-DIMETHYL-3-(2,2-DICHLOROVINYL)-CYCLOPROPANCARBOXYLATE AND/OR PENTAFLUORBENZYL-PERMETHRINATE OR THEIR ISOMER FORMS, IN A GRANULE, POWDER OR SIMILAR OF POLYVINYL, POLYACRYLATE, EPOXY, CELLULOSE, POLYAMIDE OR POLYESTER RESIN, OR ALSO BY MIXING THE ACTIVE SUBSTANCES WITH THE MONOMER COMPONENTS; AND THEN POLYMERIZING THE MIXTURE, AND THE POLYMERS CONTAINING THE ACTIVE SUBSTANCE ARE SHAPED BY EXTRUSION OR INJECTION CAST TO A MOLDED ARTICLE. |