Cured resin for artificial quartz and preparation of artificial quartz

Abstract

The invention provides a cured resin for artificial quartz and the artificial quartz prepared by the cured resin, which relate to the cured resin for the artificial quartz and the artificial quartz prepared by the cured resin, in particular to a method for preparing the artificial quartz which has easy formability and appearance similar to marmoreal. The cured resin for the artificial quartz is in liquid state at normal temperature, and is prepared by a condensation reaction of polylol, saturated acid and unsaturated acid; an alcohol acid reaction system comprises the following components in percentage by weight: 37 to 47 percent of the polylol, 35 to 40 percent of saturated acid or estolide, and 18 to 23 percent of unsaturated acid or estolide, wherein 30 to 45 percent of cross-linking agent is added into the alcohol acid reaction system; the saturated acid or estolide is phthalic acid or phthalic anhydride; and the unsaturated acid or estolide is maleic acid or maleic anhydride. Thecured resin for the artificial quartz can be used for preparing the artificial quartz, has sufficient curing, small internal stress inside the product and performance capable of reaching maximum.

Description

technical field [0001] The cured resin for artificial quartz and the prepared artificial quartz of the present invention relate to a cured resin for artificial quartz, a method for preparing the cured resin, an artificial quartz prepared by using the cured resin and a method for preparing the artificial quartz, in particular to a A method for the preparation of artificial quartz stones that are easy to form and are used to produce a marble-like appearance. Background technique [0002] The main feature of artificial marble is that fillers such as stone powder or crushed glass or quartz sand are mixed with unsaturated polyester resin pigments, and then solidified by adding curing agents and accelerators. The main disadvantages of these production processes and marble products made from them are : [0003] 1. Due to the manual or semi-mechanical (jetting) operation, the labor intensity is high, the efficiency is low, and the production cycle is long; [0004] 2. Since the pi...

AI Technical Summary

Problems solved by technology

[0003] 1. Due to the manual or semi-mechanical (jetting) operation, the labor intensity is high, the efficiency is low, and the production cycle is long;

[0004] 2. Since the pigment, color paste, etc. are added manually, and the stirring is not even uniform, the resulting product will not be very stable;

[0005] 3. Since most of the materials used are aluminum hydroxide and calcium carbonate with high oil absorption rate, the relative proportion of resin added will be very high, between 30% and 50%, the cost is high, and the product performance is not very outstanding

However, polyesterable resins with reduced shrinkage obtained by this method have the disadvantages of low hardness, poor transparency and stain resistance of the product.