| abstract |
Procedure for the preparation of compositions based on plastic materials, intended in particular for obtaining shaped objects fire-retardant by red phosphorous, characterized in that for 100 parts by weight of plastic material, 0.1 to 20 parts by weight of red phosphorus is incorporated into in the form of grains, having an average diameter of less than 200μ, encapsulated in a polymer that does not have a melting or softening point of less than 90ºC and has an average molecular mass of more than 2000. (Machine-translation by Google Translate, not legally binding) |