| abstract |
1. IN A SIMULATED MARBLE ARTICLE FORMED FROM: A FIRST MATERIAL COMPRISING A FIRST POLYMER OF METHYL METHACRYLATE IN WHICH DISTRIBUTED AND SUSPENDED AT LEAST ONE RELATIVELY SMALLER ELONGATED SUBSTANTIALLY CONTINUOUS COHERENT, INDEPENDENT MASS OF A SECOND MATERIAL COMPRISING A POLYMER OF METHYL METHACRYLATE AND HAVING A PIGMENTATION DIFFERING FROM THAT OF SAID FIRST MATERIAL, SAID SMALLER MASS BEING DISPOSED IN A PREDETERMINED, REPETITIVE, REPRODUCIBLE, IRREGULAR, THREE-DIMENSIONAL CONFIGURATION THROUGHOUT SAID ARTICLE, AND BETWEEN 20-85% BY WEIGHT OF AN INORGANIC ADDITIVE; THE IMPROVEMENT WHEREIN SAID INORGANIC ADDITIVE IS ALUMINA TRIHYDRATE AND SAID ARTICLE IS TRANSLUCENT TO THE POINT WHERE DIFFERENCES IN PIGMENTATION OTHER THAN DIFFERENCES IN PIGMENTATION ON THE SURFACE OF SAID ARTICLE ARE APPARENT AND CONTRIBUTE TO THE MARBLEIZING EFFECT. |