Patent ID: 8017051
Filing Date: 2011-09-13
Classification: B01F,B29C,B29K,B44C,B44F,C04B

Abstract:
1. A process for producing acrylic artificial marble with good natural pattern and color consisting essentially of: mixing ununiformly three liquid resins through a line mixer that has eight or less inner elements to produce an ununiformly mixed resin, wherein any of said liquid resins is prepared by adding a filler selected from the group consisting of aluminum hydroxide, magnesium hydroxide and calcium hydroxide, a pigment, a curing agent, and a cross-linking agent to a resin syrup that includes methyl methacrylate and polymethyl methacrylate, the specific gravity of one liquid resin is about 1.4-1.7, the specific gravity of a second resin is about 0.9-1.5, and the specific gravity of a third resin is about 1.0-1.6, the liquid resins having different viscosities of about 400 cps-70,000 cps, discharging the ununiformly mixed resin through an exit nozzle onto a steel belt moving at a constant speed; and reciprocating the exit nozzle perpendicularly to the steel belt so that the exit nozzle stops at different positions over the steel belt while discharging the mixed resin for different durations onto the steel belt.