WERKWIJZE VOOR HET VERVAARDIGEN VAN ANTISTA- TISCHE FILMS UIT SYNTHETISCHE POLYMEREN, ALS- MEDE ALSDUS VERKREGEN PRODUKTEN.

摘要

A method for producing an antistatic film of a synthetic polymer consisting essentially of continuously printing over at least part of the surface of at least one side of the film with aluminum powder by suspending in solvent a composition consisting essentially of aluminum powder and a polyamide resin, setting the suspension down onto the film, and permitting the solvent to evaporate The films obtained have a surface resistivity of less than 1010 ohms/cm and are useful, in addition to conventional uses such as packaging, for preventing virus degeneration of plants by virus-carrying aphides by mulching the plants with the films, limiting the increase in soil temperature in warm environments by mulching the soil with the films, and reducing the calorific energy necessary to heat greenhouses with the films.