| abstract |
The invention relates to a composition for the manufacture of porous plastics used in the ceramic industry. The composition according to the invention consists of powder obtained by crushing and grinding of used poroplast forms of work and a mixture consisting of vinyl polychloride, epoxy resin with hardener, with or without rosin solution, quartz or ground alumina, novolac, polyamide, hexamethylenetetramine and inorganic or organic filler. The composition according to the invention is obtained in efficient conditions by the integral capitalization of the used or removed poroplast forms of work, which allows the complete recovery of the raw materials used in the manufacture of these forms. |