Methods and compositions for polymer concrete and polymer mortar
Polymer concrete and polymer mortar compositions and related methods of producing the same are disclosed. The compositions and methods produce economical, ready-mixed polymer concrete(s) and mortar(s) using a combination of thermoset polymers and emulsified polymers, hardeners, coarse and/or fine aggregates, fillers, shrinkage control agents, and other additives. The polymer concrete and polymer mortars utilize recycled materials.
1 . A polymer concrete composition comprising:
a thermoset polymer in an amount in the range of about 0.1% to about 10% by total mass of the polymer concrete composition;
a supplemental polymer in an amount in the range of about 0.1% to about 5% by total mass of the polymer concrete composition,
wherein the supplemental polymer is a water-based surface-stabilized styrene-butadiene copolymer;
coarse aggregates in an amount in the range of about 50% to about 54% by total mass of the polymer concrete composition;
fine aggregates in an amount in the range of about 10% by total mass of the polymer concrete composition;
recycled plastic filler material in an amount in the range of about 0.1% to about 10% by total mass of the polymer concrete composition,
wherein the recycled plastic filler material is selected from the group consisting of recycled polyethylene, recycled polycarbonate, and any combination thereof;
a shrinkage control agent in an amount in the range of about 0.1% to about 1% by total mass of the polymer concrete composition; and
a hardener in an amount in the range of about 10% by total mass of the polymer concrete composition.
2 . The polymer concrete composition of claim 1 , wherein the polymer concrete composition has a compressive strength in the range of about 3,000 PSI to about 16,000 PSI.
3 . The polymer concrete composition of claim 1 , wherein the polymer concrete composition has a linear drying shrinkage in the range of about 0.01% to about 0.065%.
4 . The polymer concrete composition of claim 1 , wherein the polymer concrete composition has an average density in the range of about 2,000 kg/m 3 to about 4,000 kg/m 3 .
5 . The polymer concrete composition of claim 1 , wherein the thermoset polymer is selected from the group consisting of an epoxy resin, a vinyl ester, a polyester, a furan polymer, and any combination thereof.
6 . The polymer concrete composition of claim 1 , wherein the thermoset polymer is an epoxy resin based on bisphenol A.
7 . The polymer concrete composition of claim 1 , wherein the supplemental polymer is a water-based styrene-butadiene copolymer.
8 . The polymer concrete composition of claim 1 , wherein the coarse aggregates are mineral aggregates selected from the group consisting of sand, dune sand, river sand, quarry dust, crushed quarry rock, gravel, silica, gravel, limestone, calcium carbonate, cinder, calcareous rock, granite, clay, quartz, stone, sand, phosphorous gypsum, and any combination thereof.
9 . The polymer concrete composition of claim 1 , wherein the coarse aggregates have an average diameter in the range of greater than about 5 mm to about 20 mm.
10 . The polymer concrete composition of claim 1 , wherein the fine aggregates are mineral aggregates selected from the group consisting of sand, dune sand, river sand, quarry dust, crushed quarry rock, gravel, silica, gravel, limestone, calcium carbonate, cinder, calcareous rock, granite, clay, quartz, stone, sand, phosphorous gypsum, and any combination thereof.
11 . The polymer concrete composition of claim 1 , wherein the fine aggregates have an average diameter in the range of about 1 mm to about 5 mm.
12 . The polymer concrete composition of claim 1 , wherein the shrinkage control agent is selected from the group consisting of a methyl methacrylate polymer, a polyalkyl methacrylate polymer, a saturated aliphatic polyester, and any combination thereof.
13 . The polymer concrete of claim 1 , wherein the shrinkage control agent is a methyl methacrylate polymer.
14 . The polymer concrete composition of claim 1 , wherein the hardener is selected from the group consisting of an amine-based compound, a polymercaptan compound, a polyamide compound, an amidoamine compound, a phenalkamine compound, and any combination thereof.
15 . The polymer concrete composition of claim 1 , wherein the hardener is tetra-amine 3-ethylene.
16 . The polymer concrete composition of claim 1 , further comprising a fire retardant agent in an amount in the range of about 2% to about 5% by total mass of the polymer concrete composition, the fire retardant agent selected from the group consisting of a polysulfone, polyphenylene sulfide, a polyetherketone, a fluoropolymer, a carbide derivative, ammonium polyphosphate, melamine polyphosphate, and any combination thereof.
17 . The polymer concrete composition of claim 1 , wherein a portion of one or both the coarse aggregates or fine aggregates are derived from construction waste, demolition waste, and any combination thereof.
18 . A method comprising:
mixing a ready-mixed polymer concrete composition comprising:
a thermoset polymer in an amount in the range of about 0.1% to about 10% by total mass of the polymer concrete composition;
a supplemental polymer in an amount in the range of about 0.1% to about 5% by total mass of the polymer concrete composition,
wherein the supplemental polymer is a water-based surface-stabilized styrene-butadiene copolymer;
coarse aggregates in an amount in the range of about 50% to about 54% by total mass of the polymer concrete composition;
fine aggregates in an amount in the range of about 10% by total mass of the polymer concrete composition;
recycled plastic filler material in an amount in the range of about 0.1% to about 10% by total mass of the polymer concrete composition,
wherein the recycled plastic filler material is selected from the group consisting of recycled polyethylene, recycled polycarbonate, and any combination thereof; and
a shrinkage control agent in an amount in the range of about 0.1% to about 1% by total mass of the polymer concrete composition; and
curing the ready-mixed polymer concrete composition by adding a hardener in an amount in the range of about 10% by total mass of the polymer concrete composition.
19 . The method of claim 1 , wherein the mixing of the ready-mixed polymer concrete composition is performed at ambient temperature and the curing of the ready-mixed polymer concrete composition is performed at atmospheric conditions.