IP Library Granted Patent US 9,856,363
Granted Patent B2
US 9,856,363 · App. 13/977,464 · Granted Jan 2, 2018

Colored composite pavement structure

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Quick Facts
Patent No.
US 9,856,363
App. No.
13/977,464
Granted
Jan 2, 2018
Kind
B2
Abstract

A process for making a colored composite pavement structure comprising silylated glass aggregate particles and a polymeric binder composition is disclosed. Systems and methods are also disclosed for providing a colored composite material that cures into a pavement structure. In one embodiment, a colorant concentrate is provided by combining an inorganic colorant with a portion of a first component of a polymeric binder composition. The colorant concentrate can then be combined with the first and second components of the polymeric binder composition to provide a colored polymeric binder composition. The colored polymeric binder composition may then be applied to silylated glass aggregate particles to provide a colored composite material that cures into a pavement structure.

Claims (23)

1. A process for making a colored composite pavement structure, the process including the steps of:

providing a colorant having a first color;

providing a dilutant;

providing a first component and a second component of a polymeric binder composition;

combining the colorant with the dilutant to provide a colorant concentrate having about 10 to about 35 parts by weight colorant based on 100 parts by weight colorant concentrate;

combining the colorant concentrate and the first and second components of the polymeric binder composition to provide a colored polymeric binder composition having about 0.1 to about 10 parts by weight colorant based on 100 parts by weight of colored polymeric binder composition;

providing glass aggregate particles ranging from about 1/16 inch to about ½ inch in diameter;

mixing the glass aggregate particles with the colored polymeric binder composition to form a mixture;

applying the mixture to a compacted surface; and

allowing the polymeric binder composition to react, bond and cure with the glass aggregate particles to provide the colored composite pavement structure.

2. The process according to claim 1 , further comprising the step of:

applying a top coating over the colored composite pavement structure, the top coating comprising an inorganic pigment powder having the first color.

3. The process according to claim 1 , wherein the step of combining the colorant concentrate and the first and second components of the polymeric binder composition comprises combining the colorant concentrate with the first component to provide a colored first component and then combining the colored first component with the second component.

4. The process according to claim 1 , wherein the step of providing a first component and a second component of a polymeric binder composition includes providing a first component comprising a resin and a second component reactive with the first component.

5. The process according to claim 1 , wherein the step of providing a first component and a second component of a polymeric binder composition includes providing a first component comprising a polymeric isocyanate component and a second component comprising an isocyanate-reactive component.

6. The process according to claim 1 , wherein the step of providing glass aggregate particles includes providing recycled glass.

7. The process according to claim 1 , wherein the step of providing glass aggregate particles includes providing silylated glass.

8. The process according to claim 1 , wherein the step of providing a colorant includes providing a colorant in a quantity sufficient to result in the colored composite pavement product having a Solar Reflective Index (SRI) of at least about 29.

9. The process according to claim 1 , wherein the step of providing a dilutant includes providing a dilutant that is the first component of the polymeric binder composition.

10. The process according to claim 3 , wherein the step of providing glass aggregate particles includes providing silylated glass.

11. The process according to claim 5 , wherein the step of providing glass aggregate particles includes providing silylated glass.

12. The process according to claim 11 , wherein the step of providing a colorant includes providing a colorant in a quantity sufficient to result in the colored composite pavement product having a Solar Reflective Index (SRI) of at least about 29.

13. The process according to claim 8 , wherein the step of providing glass aggregate particles includes providing silylated glass.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 12, 2016
From: LARIAT HOLDINGS, LLC
To: PERVIOUS PAVING CONTRACTORS LLC
Reel/Frame 040886/0772 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2016
From: REYNOLDS PRESTO PRODUCTS INC.
To: LARIAT HOLDINGS, LLC
Reel/Frame 039943/0037 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2013
From: HICKS, STEVEN; BOWER, DAVID K.
To: BASF SE
Reel/Frame 031198/0350 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2013
From: HANDLOS, WILLIAM
To: REYNOLDS PRESTO PRODUCTS, INC.
Reel/Frame 031198/0389 →