Method of consolidating sand or gravel into a solid mass
View Patent ↗A composition and method for consolidating aggregate material is disclosed. The method includes introducing a reaction composition into the aggregate material and allowing it to reach on form a polymer which binds the aggregate together. The composition includes polyol, isocyanate, and ester.
1. A method for consolidating aggregate material comprising:
introducing a reaction composition into aggregate material; and
allowing the composition to react and form a polymer;
wherein the reaction composition comprises:
polymeric MDI, and a B-Side component comprising between about 35 weight % to about 45 weight % of an amine based polyether polyol, about 15 weight % to about 35 weight % polyglycol, and about 20 weight % to about 45 weight % 2,2,4-trimethyl-1,3-pentanediol diisobutyrate.
2. The method of claim 1 , wherein the composition further comprises an organic tin catalyst.
3. The method of claim 1 , wherein the composition further comprises an amine catalyst.
4. The method of claim 1 , wherein the composition further comprise water.
5. The method of claim 1 , wherein the composition further comprises hydrofluorocarbon blowing agent.
6. The method of claim 1 , wherein the composition further comprises hydrocarbon blowing agent.
7. The method of claim 1 , wherein the composition further comprises a silicone based surfactant.
8. The method of claim 1 , wherein the polymer comprises a polyurethane foam.
9. The method of claim 1 , wherein the polymer comprises a polyurethane foam having a density of between about 2 and about 12 pounds per cubic foot.
10. The method of claim 1 , wherein the polymer comprises an elastomeric polymer.
11. The method of claim 1 , wherein the isocyanate comprises an isocyanate prepolymer.
12. The method of claim 1 , wherein the composition is introduced below ground.
13. A reaction composition for consolidating aggregate, comprising:
an A-side component comprising polymeric MDI; and
a B-Side component comprising between about 35 weight % to about 45 weight % of an amine based polyether polyol, about 15 weight % to about 35 weight % of polyglycol, and about 20 weight % to about 45 weight % of 2,2,4-trimethyl-1,3-pentanediol diisobutyrate.