Abstract:
MOLDING MATERIALS BASED ON 20 TO 90% OF ELASTOMERIC POLYMERS, 5 TO 30% OF BINDER COPOLYMERS PREPARED FROM 20 TO 80% OF BUTADIENE, 80 TO 20% OF STYRENE AND/OR ACRYLONITRILE AND 0 TO 20% OF OTHER MONOMERS AND FINELY DISPERSED IN WATER, 5 TO 200% (WITH REFERENCE TO THE BINDER COPOLYMERS) OF CEMENT AND/OR SLAKED LIME, 0.5 TO 10% OF AIR-DRYING OIL AND 0 TO 50% OF MINERAL FILLERS ARE PARTICULARLY SUITABLE FOR THE PRODUCTION OF PLAYGROUD AND SPORTSGROUND SURFACINGS WHICH ARE EASY TO LOOK AFTER.
Abstract:
1. A light-weight building board which is based on mineral fibers and a thermoplastic binder, may furthermore contain fillers, fireproofing agents and water repellents and contains, as the binder, from 4 to 20 %, based on the weight of the mineral fibers, of a polymer having a glass transition temperature fo from 60 to 1108C and consisting of from 60 to 100 % by weight, based on the copolymer, of (meth) acrylates of alcohols of 1 to 4 carbon atoms and from 0 to 40 % by weight of (meth) acrylonitrile and/or styrene, which board additionally contains a salt of a carboxylic acid of 12 to 36 carbon atoms with a polyvalent metal.