C08L2555/82

Environmentally friendly asphalt binder additive

The presently disclosed subject matter generally relates to environmentally friendly asphalt binder additive.

System and Method for Pre-Treatment of Rubber-Modified Asphalt Cement, and Emulsions Thereof
20170275200 · 2017-09-28 ·

This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions.

HIGH-GRADE ASPHALT COMPOSITION HAVING WATERPROOF FUNCTION AND CONSTRUCTION METHOD USING THE SAME
20170226343 · 2017-08-10 ·

A high-grade asphalt composition includes 100 parts by weight of asphalt; 40-80 parts by weight of styrene-isoprene-styrene; 20-60 parts by weight of a polymer resin; 10-50 parts by weight of an anti-rutting agent; 2-15 parts by weight of a filler; 5-30 parts by weight of ceramic nanoparticles; 5-10 parts by weight of a binder; 3-15 parts by weight of an antioxidant; 1-10 parts by weight of a stabilizer; 5-20 parts by weight of a fiber; and 2-20 parts by weight of an adhesion promoter. A construction method is provided using the asphalt composition. The present asphalt composition is not easily rutted, aged and/or stripped. At the same time, the present asphalt can prevent water penetration and potholes, can reduce noise, and enable the roads to be paved at low costs.

Bitumen composition

The invention is directed to a bitumen composition, to a paving, to a roofing, to a method for preparing a bitumen composition, to a method for increasing the stiffness of a bitumen composition, to a method of adjusting the physical properties of a bitumen composition, and to the use of a bitumen composition. The bitumen composition of the invention comprises a lignin compound or derivative thereof, wherein 10 wt. % or more by weight of said lignin compound or derivative thereof is molecularly dissolved in said bitumen composition.

Void Reducing Asphalt Membrane Emulsion
20220186076 · 2022-06-16 ·

Provided herein is an asphalt membrane emulsion for reducing voids in an asphalt joint that includes asphalt, an asphalt modifier, mineral filler, an emulsifier, and water. Provided herein is a method of making an asphalt membrane emulsion, the method including: forming a first phase; forming a second phase; pumping the first phase and the second phase into a colloid mill; and mixing the first phase and second phase into the colloid mill to form the asphalt membrane emulsion. The first phase includes asphalt, asphalt modifier, and mineral filler. The second phase includes water and an emulsifier. A method of applying an asphalt membrane emulsion to fill a crack is also provided.

Amine-containing asphalt binder composition

Provided herein is an asphalt binder composition, and more particularly, an amine-containing asphalt binder composition capable of improving mixability between an asphalt binder and an aggregate, and compactibility and water resistance of an asphalt paving mixture. More particularly, the present invention relates to an asphalt binder composition capable of being used in hot mix asphalt for improving workability and/or stripping-resistance, warm-mix asphalt, recycling of reclaimed asphalt pavement, or the like.

Polymerized oils and methods of manufacturing the same

Described herein is a polymerized biorenewable, petroleum based, previously modified, or functionalized oil, comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.0 to about 5.0, and sulfur content ranging from 0.001 wt % to about 8 wt %. Methods of manufacturing the polymerized oil as well as its incorporation into asphalt paving, roofing, and coating applications are also described.

UV LIGHT ACTIVATED SELF-HEALING ASPHALT BINDER AND USES THEREOF

Disclosed herein is a self-healing asphalt binder composition comprising i) an asphalt binder, ii) an oxetane substituted polysaccharide, and iii) a polyurethane, as well as asphalts comprising said self-healing asphalt binder and an asphalt mixture. Also disclosed are methods of making the self-healing asphalt binder.

Polymerized oils and methods of manufacturing the same

Described herein is a polymerized biorenewable, petroleum based, previously modified, or functionalized oil, comprising a polymeric distribution ranging from about 2 to about 80 wt % oligomer content, a hydroxyl value ranging from about 0 to about 400, and an iodine value ranging from about 0 to about 200. Methods of manufacturing the polymerized oil as well as its incorporation into asphalt paving, roofing, and coating applications are also described.

Asphalt concrete composition having improved waterproof performance by comprising SIS, recycled asphalt aggregate, and fine powder aggregate with improved particle size, and construction method using the same
11072708 · 2021-07-27 · ·

An asphalt concrete composition having improved waterproof performance, and a construction method using the composition. The composition includes 100 parts by weight of virgin asphalt, 5 to 25 parts by weight of styrene isoprene styrene, 5 to 15 parts by weight of petroleum resin, 250 to 1,000 parts by weight of reclaimed asphalt pavement, 1 to 10 parts by of a performance improving agent, 250 to 1,000 parts by weight of virgin aggregate, 30 to 150 parts by weight of fine powder aggregate, and 0.1 to 2 parts by weight of cellulose fiber. The composition's waterproof performance is due to its high cohesion and adhesion. The composition is durable and is not easily rutted, aged and/or stripped. In addition, the composition has a performance grade of PG 82-34, can prevent water penetration and potholes, and enables a placement process to be easily performed at low costs.