Granite-look acrylonitrile/styrene/acrylate copolymers and process for their preparation

A composition suitable for the preparation of granite appearing acrylonitrile/styrene/acrylate copolymer articles, said composition comprising:

• a) a thermoplastic matrix copolymer comprising from about 50 to 99.5 weight percent of a thermoplastic acrylonitrile/styrene/acrylate copolymer;
• and
• b) from 0.5 to about 50 weight percent of a colorant mixture blended with said thermoplastic matrix copolymer, said colorant mixture comprising;
• bi) 0.5 to 75 weight percent colored fibers comprising nylon or polyester;
• bii) 0.5 to 75 weight percent titanium dioxide;
• and
• biii) 0.5 to 25 weight percent of a dispersant comprising one or more metallic salts of an aliphatic carboxylic acid having 8 or more carbon atoms.