Manufacturing method of slab
A slab, organic binder technology, applied in the field of slab manufacturing, can solve the problems of reduced waste, high machine wear, and increased product size flexibility
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Embodiment 1
[0068] Example 1 [Sample IBQ 111]
[0069] A mixture of 21% by weight of thermosetting resin (50% epoxidized linseed oil (Epoxidised LinseedOil, ELO) + 46% methylhexahydrophthalic anhydride (MHHPA) + 3% 2-methylimidazole (MeIm) Alcohol mixture + 1% GLYMO) was mixed with 25 wt% Quartz powder 45 (fine) and 19 wt% Quartz 63-200 granules (coarse) and 35 wt% Quartz 200-500 granules (coarse) and heated to 60°C. An amount of 10 g of the hot mixture was transferred to a heated mold (60° C.) and mixed with 0.3 g of woven glass fiber mat (300 g / m 2 ), and 5 g of dry heat (60° C.) quartz 500-800 granules (coarse) were added onto the glass fibers. The hot product was pressed to > 50 bar for 4 minutes and cured at 140°C for 1 hour, then cooled to ambient temperature. Hardness was measured according to ASTM D2583-07 after cooling for at least 1 hour and found to be 79.8. This example is shown as IBQ 111 in the table.
Embodiment 2
[0070] Example 2 [Sample IBQ 117]
[0071] A mixture of 21% by weight thermosetting resin (50% ELO + 46% MHHPA + 3% MeIm / alcohol mixture + 1% GLYMO) was mixed with 25% by weight of Quartz powder 45 (fine) and 19% by weight of Quartz 63-200 particles (coarse ) and 35% by weight of quartz 200-500 particles (coarse) were mixed and heated to 60°C. An amount of 10 g of the hot mixture was transferred to a heated mold (60° C.) and mixed with 0.3 g of woven glass fiber mat (300 g / m 2 ), and 7 g of dry heat (60° C.) quartz 500-800 granules (coarse) were added onto the glass fibers. The hot product was pressed to > 50 bar for 4 minutes and cured at 140°C for 1 hour, then cooled to ambient temperature. The hardness was measured according to ASTM D2583-07 and found to be 78 after cooling for at least 1 hour. This example is shown as IBQ 117 in the table.
Embodiment 3
[0072] Example 3 [Sample IBQ 86]
[0073] A 23% by weight mixture of thermosetting resins (50% ELO+46% MHHPA+3% 1,4-diaza-bicyclo-[2,2,2]octane (DABCO) / alcohol mixture+1% GLYMO ) was mixed with 26% by weight of Quartz powder 45 (fine) and 20% by weight of Quartz 63-200 particles (coarse) and 31% by weight of Quartz 200-500 particles (coarse) and heated to 60°C. A quantity of hot mixture was transferred to a hot mold (60°C), pressed to > 50 bar for 4 minutes, and cured at 140°C for 1 hour, then cooled to ambient temperature. Hardness was measured according to ASTM D2583-07 after cooling for at least 1 hour and found to be 47.5. This example is shown as IBQ 86 in the table.
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