High-impact toughness man-made quartzite slab and preparation method thereof

An artificial quartz stone, high-impact technology, applied in the field of artificial quartz stone plate and preparation, can solve the problems of poor impact toughness, deformation, material cracking, etc., and achieve the effect of high elongation at break, high density and low production cost

Active Publication Date: 2013-11-27
GUANGDONG BANNER NEW MATERIAL TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

Because artificial quartz stone also has the characteristics of thermal expansion and cold contraction, there are certain mechanical properties such as shrinkage stress, impact toughness, and elongation at break. Defects, especially poor impact toughness, when the material is subjected to internal stress caused by thermal expansion and contraction, or external impact force, the material is prone to cracking and deformation

Method used

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  • High-impact toughness man-made quartzite slab and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0046] A high-impact toughness artificial quartz stone plate is prepared according to the following steps:

[0047] (1) Weigh each component according to the formula of Example III corresponding to Table 1 below, wherein the particle size of quartz particles is 5-10 mm, the particle size of glass particles is 5-10 mm; the particle size of quartz powder is 0.1-0.18 mm mm and microneedle-like and spherical-like quartz powder; the coupling agent is a silane coupling agent; the adhesive is a flexible unsaturated polyester resin with a solid content of ≥65% and a viscosity of 0.5-1Pa·s (25°C ), acid value 15-26mgKOH / g, Barcol hardness of pure resin cast body ≥ 45°, elongation at break > 3.0%, bending strength ≥ 120Mpa, heat distortion temperature ≥ 60°C, impact strength ≥ 90Mpa; curing agent is peroxide tert-Butyl Benzoate.

[0048] (2) Pour the raw materials weighed in step 1 into a double planetary mixing tank for stirring, the stirring frequency is 50-55Hz, and the stirring tim...

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Abstract

The invention provides a high-impact toughness man-made quartzite slab and a preparation method thereof. The man-made quartzite slab comprises the following components in percentage by weight: 58-75 percent of particle raw materials, 15-33 percent of quartz powder, 0.01-10 percent of paint, 0.1-1 percent of coupling agent, 8-12 percent of adhesive and 0.8-2 percent of curing agent, wherein the particle raw materials are quartz particles, glass particles, or a mixture of the two. The man-made quartzite slab provided by the invention has the characteristics of low probability of cracking and deformation, and the like.

Description

technical field [0001] The invention relates to an artificial quartz stone plate and a preparation method, in particular to an artificial quartz stone plate with high impact toughness. Background technique [0002] Artificial quartz stone is a brittle polymer composite material, which has strong acid resistance, corrosion resistance, wear resistance, high temperature resistance and other characteristics. In the prior art, the formula for manufacturing artificial quartz stone is mainly formed by hardening and molding quartz stone, quartz powder and resin. Because artificial quartz stone also has the characteristics of thermal expansion and cold contraction, there are certain mechanical properties such as shrinkage stress, impact toughness, and elongation at break. Defects, especially poor impact toughness, when the material is subjected to internal stress caused by thermal expansion and contraction, or external impact force, the material is prone to cracking and deformation....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/18
Inventor 周军尹保清张韡
Owner GUANGDONG BANNER NEW MATERIAL TECH
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