Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue
Reexamination Certificate
2007-10-09
2007-10-09
Brunsman, David M (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Bituminous material or tarry residue
C404S017000, C404S072000
Reexamination Certificate
active
10926174
ABSTRACT:
A method of selecting a binder for a chipsealing process is provided. This method includes measuring the Adhesion Index of at least one binder and selecting a binder with a desirable Adhesion Index for the chipsealing process. The selected binder should have an Adhesion Index no greater than about 3.75 when calculated according to the most preferred method of the present invention. Preferably, the selected binder is applied to a surface and then aggregate is applied within the time parameters defined by the Adhesion Index of the binder to form a chipsealed surface. Preferably, substantially all of the aggregate bonds to the binder without the need for compacting the paved surface.
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“Hugging The Road Chip Seal Application Holds On Tight To Aggregate,” Roads & Bridges, Scranton Gillette Communications, Des Plaines, IL (USA), vol. 42, No. 6, Jun. 2004, pp. 32-34.
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“Developments in Adhesion Agent Testing in New Zealand” New Zealand Roading Symposium 1987, no month provided , vol. 2, p. 239-247.
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“Untersuchungen zum Haftverhalten zwischen Bindemittel und Gestein” Strasse und Autobahn (Jan. 1992) 43 (1), p. 9-11. This reference relates to studies regarding the bonding behavior between binders and rock.
“Adhesion Between Aggregate and Binder” The Asphalt Yearbook 1993, no month provided, p. 23-33.
“Net Adsorption Test for Chip-Sealing Aggregates and Binders” Transportation Research Record, 1995, no month provided, No. 1507, p. 1-12.
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“Une nouvelle gamme de bitumes modifies pour enrobage” Revue Generale des Routes (Oct. 2001) No. 799 p. 60-69 This reference relates to defining the objectives of bitumen modification. It discusses that elastomer modification simultaneously improves binder properties at high temperature and those at low temperature. Various SBS-modified binders have been characterized using European and American SHRP tests.
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“Les revetements superficiets: une tente et difficile progression vers le marquage CE” Revue Ganarale des Routes, (Jun. 2003) No. 818, p. 46-47 This reference relates to the slow process in developing European specifications for chip seals.
“Mise en Oeuvre de la Directive produits de Construction (DPC)” Revue Generale des Routes, (Jun. 2003) No. 818, p. 49-51 This reference relates to the implementation of Construction Products Directive (CPD) Europen standards for bituminous binders. It distinguishes three sub-families of “Bitumens for road construction and surface treatment of roads”: pure or polymer-modified bitumens, fluxed or cut-back bitumens and, finally, bitumen emulsions.
“Caracteristiques des bitumes polymere et speciaux et les performances des enrobes” Revue Generale des Routes (Feb. 2003) No. 814, p. 22-24 This reference relates to characteristics of polymer modified and special bitumens and the performance of asphalt mixes. It discusses selecting binders among commercial products, determining the characteristics of asphalt concrete, and identifying the properties of a selected binder before and after artificial aging.
“Normalisation europeenne des bitumes modifies Etat d'avancement des travaux du groupe de travail WG4 du CEN/TC336” Revue Generale des Routes, (Feb. 2003) No. 814, p. 25-29 This reference relates to the progress of the work of the European Standardization Committee regarding the harmonization of test methods and specifications relating to bituminous mixes in Europe.
“Application de nouvelles methods d'essais rheologiques <<post-Superpave>> pur mieux caracteriser et differencier les liants modifes” Revue Generale des Routes (Feb. 2003) No. 814, p. 31-36. This reference relates to applications of new “post-superpave” rheological test methods to better characterize and differentiate bituminous binders.
“Evaluation de la performance intrinseque en fatigue des enrobes bitumeneux : Application d'une approche globale et proposition e'une methodologie d'essai” Revue Generale des Routes (Feb. 2003) No. 814, p. 37-42 This reference relates to the evaluation of intrinsic fatigue performance of bituminous mixes and proposals for new test procedures.
“Une nouveau concept pertinent de specification AASHTO MP1-A applique aux liants modifies: performance du SBS a basse temperature” Revue Generale des Routes (Feb. 2003) No. 814, p. 43-47 This reference relates to assessing the influence of the presence of a polymer on the low temperature properties of binders.
“Nynas Nyguard: Developpements locaux pour gamme globale coherente” Revue Generale des Routes (Feb. 2003) No. 814, p. 48-53 This reference relates to the development of performance oriented specifications for bitumen binders. The work included the creation of a coherent binder range.
Viscosite a taux de cisailliment nul et omierage: application aux liants modifiees polymeres Revue Generale des Routes (Feb. 2003) No. 814, p. 62-66 This reference relates to evaluating the contribution of the binder to rutting using a rheology test, such as a zero shear viscosity test.
“Les bitumes polymeres chez Eurovia: le meilleur de chaque monde” Revue Generale des Routes (Feb. 2003) No. 814, p. 67-75 This reference relates to how to evaluate the performance of polymer modified bitumens. The improvements of test methods together with the search for relevant performance criteria through a better understanding of the link between binder and mix properties are reviewed.
“Liants modifies d'enrobage: La nouvelle gamma Appia” Revue Generale des Routes (Feb. 2003) No. 814, p. 76-80 This reference relates to the objectives of the modification of bitumens by polymers for use in asphaltic c
Brunsman David M
McKay Molly D.
Semmaterials, LP
LandOfFree
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