NOCTILUCENT RUBBER CLAY COMPRISING REFINED LIQUID PVC, PLASTICIZER, REFINED CALCIUM CARBONATE AND ALUMINUM-BASED LUMINOUS PIGMENT, AND PREPARATION METHOD THEREOF

摘要

PURPOSE: A noctilucent rubber clay and its preparation method are provided, to obtain various colors of rubber clay which is not harmful to the human body and has a semi-permanent and improved noctilucence. CONSTITUTION: The noctilucent rubber clay comprises 33-45 wt% of a refined liquid PVC; 22-30 wt% of a plasticizer; 15-20 wt% of a refined calcium carbonate; and 5-30 wt% of an aluminum-based luminous pigment. The method comprises the step of heating continuously the mixture of a refined liquid PVC, a plasticizer, a refined calcium carbonate and an aluminum-based luminous pigment at a low temperature of 90-90 deg.C until it becomes transparent. Also the method comprises the steps of heating continuously the mixture of a refined liquid PVC and a plasticizer at a low temperature of 90-90 deg.C until it becomes transparent; and adding a refined calcium carbonate and an aluminum-based luminous pigment to the obtained colorless transparent mixture.