CHILLED TEMPERATURE POLISHING METHOD FOR SOFT ACRYLIC ARTICLES

摘要

A method of polishing articles comprising soft acrylic materials is disclosed. The method includes a polishing step and a cleaning step. In the polishing step a receptacle is charged with polishing beads of various sizes, alumina, sodium hydroxide, water, a surfactant, and the articles to be polished, and agitated for a period of time and at a speed sufficient to remove surface irregularities. The polishing step is completed below the glass transition (Tg) point of the acrylic article being polished but above 0 DEG C. Following the polishing step, the polished articles are cleaned by rinsing them with water for a period of time to clean the surface of the polished articles.