Method and composition for road construction and surfacing
Methods and compositions for improving the strength and longevity of secondary roadways through environmentally sound practices are disclosed herein. A composition for road sealing includes an aqueous emulsion of acrylic and vinyl acetate polymer, water, and a resin-modified emulsion, wherein the resin-modified emulsion includes a mixture of pitch and rosin, an emulsifying agent, and water.
1. A composition for road sealing, the composition comprising:
an aqueous emulsion of acrylic and vinyl acetate polymer;
water; and,
a resin-modified emulsion, wherein the resin-modified emulsion comprises:
a mixture of pitch and rosin;
an emulsifying agent; and,
water, wherein the composition is substantially free of asphalt, wherein the pitch and rosin have a particle size of no greater than about 10 microns and the composition is non-corrosive.
2. The composition of claim 1 , wherein the composition further comprises:
soil; and,
a binder.
3. The composition of claim 1 , wherein the composition further comprises:
synthetic fibers.
4. The composition of claim 1 , wherein the acrylic and vinyl acetate polymer are between about 5.0% and about 60.0% by weight, the water is between about 40.0% and about 94.0% by weight, and the resin emulsion between about 1.0% and about 55.0% by weight, wherein within the resin emulsion the pitch is between about 1.0% and about 95% by weight, the rosin is between about 1% to about 70%, the emulsifying agent is between about 0.1% to about 5.0% by weight, and the water is between about 10% to about 98% by weight.
5. The composition of claim 1 , wherein the composition further comprises:
a tack coat.
6. The composition of claim 5 , wherein the composition further comprises:
limestone chips.
7. The composition of claim 6 , wherein the tack coat comprises:
resin-modified emulsion of pitch, rosin, an emulsifying agent, and water; and,
an aqueous emulsion of acrylic and vinyl acetate polymer.
8. The composition of claim 6 , wherein the tack coat comprises an aqueous emulsion.
9. The composition of claim 6 , wherein the tack coat comprises:
an aqueous emulsion; and,
a viscosity enhancer.
10. The composition of claim 1 , wherein the composition is substantially free of polycyclic organic matter.
11. The composition of claim 1 , wherein the composition further comprises a curing agent.
12. The composition of claim 1 , wherein the curing agent is about 0.1% to about 30.0% by weight.
13. The composition of claim 12 , wherein the curing agent is part of the aqueous emulsion.
14. The composition of claim 12 , wherein the curing agent is part of the resin-modified emulsion.
15. The composition of claim 13 , wherein the curing agent is chosen from the group comprising hydraulic curing agents and non-hydraulic curing agents.
16. The composition of claim 14 , wherein the curing agent is chosen from the group comprising hydraulic curing agents and non-hydraulic curing agents.
17. The composition of claim 15 , wherein the curing agent is aluminum silicate.
18. The composition of claim 16 , wherein the curing agent is aluminum silicate.
19. The composition of claim 11 , wherein the composition further comprises:
soil; and,
a binder.
20. The composition of claim 11 , wherein the composition further comprises:
synthetic fibers.