Method for retaining permethrin in washable fabrics

摘要

Fabric for mfr of washable end items is contains permethrin and polyvinylacetate which retains permethrin as an effective insecticide through successive wash cycles. The fabric to be treated is pref. passed through a bath contg. polyvinyl acetate and then through a bath contg. permethrin or through a bath contg. both permethrin and polyvinyl acetate. Permethrin is applied at not more than 1.25 g/m2 fabric.