COMPOSITION MADE FROM A PYRETHROID SUBSTANCE WITH IMPROVED SOLUBILITY, PREMIX AND INSECTICIDAL AND ACARICIDAL ARTICLE PARTICULARLY OF FIBROUS OR SHEET-LIKE FORM

摘要

The present invention relates to the use of an insecticide and acaricidal substance in the embodiment of an article in the form of fibers or filaments which are capable of providing woven fabrics, non - woven or knitted, or sheet, for combating harmful parasites, and belonging to the assembly of the insect and acarid type, such as flies, mosquitoes and lice, characterized in that (a) is made of an insecticide and acaricidal substance (a) is selected from among the pyrethroids stable up to a temperature of 150°C. at least, and mixtures thereof, said substance (a) may be associated with a plasticizer (b); and (b) are incorporated in said substance (a) or a combination (a + b) in the mass of a synthetic polymer material during the process of its formation in the form of fibers, filaments or feuille.la present invention also relates to the combination (a + b) and the method of preparation of the said article.