Abstract
Insecticides are chemicals that are used to control damage or annoyance from insects. Generally, control is achieved by poisoning the insects by oral ingestion of stomach poisons, by contact poisons that penetrate through the cuticle, or by fumigants that penetrate through the respiratory system. Pojurowsky Leon has made wall paper washproof and contact‐insecticidal coating compositions by addition of 1–12% insecticide solutions in polar organic solvents in 15–45% amounts by usual vinyl‐acrylic or oil type emulsion lacquers. Coating dye compositions dispersible, in water and containing (MeO)2P(O)CH(OH)CC13 with lasting insecticide effect were prepared by Bozzay Jazsel, et al. In 1986, Lee, et al, have performed aqueous emulsions of insecticidal activity, containing hydrophilic silicone organic copolymer elastomer. Recently Moustafa, M., et al prepared and evaluated various coating compositions for their insecticidal activity. The binders used are chlorinated rubber, polyurethane and alkyd resins. Three kinds of insecticides with trade names sumicidin, sumithion and cyanox were studied. Cockroaches were the target insect. They showed that compositions based on alkyd or chlorinated rubber and containing 4% cyanox or sumithion as insecticide showed promising results as insecticidal and insect repellent coatings.
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