| abstract |
The invention relates to particulate compositions that are solid at 20°C, containing at least one copolymer based on at least the following comonomers a) to d): a) conjugated diene, b) α,β-unsaturated nitrile, c) at least one polyfunctional radically polymerizable comonomer, and d) at least one carboxy-, hydroxy-, epoxy-, and/or amino-group-functional radically polymerizable comonomer, which have an average particle diameter of the primary particles of 5 to 500 nm, characterized in that said compositions have a pourability according to EN DIN 6186:1998 (funnel diameter 15 mm) of at most 33 s. |