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Polymer-Modified Asphalt 101

Polymer-Modified Asphalt 101. Chris Lubbers Technical Sales and Market Dev. Mgr. Kraton Performance Polymers, Inc. AZ DOT + Local Agency Training Seminar 11/12/14. Outline Reasons for Asphalt Modification Primary Distresses in Asphalt Pavements Polymers for Asphalt + Emulsion Modification Plus Testing for polymer Modification Chip Seal and Micro Surfacing polymer Morphology and Compatibility PMA Storage and Handling Reasons for Asphalt Modification The perception that Asphalt cement has changed since the 1970's. Traffic factors have increased: including heavier loads, higher volumes and radial tires with higher tire pressures.

Nov 12, 2014 · • Thermoplastic Elastomers –Styrene-BD-Styrene block copolymer – SB-, SBS ... a large extent the physical properties of the binder. Separation Test • Use to measure the separation of polymer from the asphalt. • 50 grams, toothpaste tube, upright for 48 hours at 163C.

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