Polymer Modified Emulsions

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Viscoelastic BehaviorCured Latex Modified Asphalt EmulsionComplex Modulus [G*], Pa1.E+091.E+081.E+071.E+061.E+051.E+04Low T gHigh MolecularWeightAAA-1 Asphalt1.E+03-60 -40 -20 0 20 40 60 80Temperature, °CSBR Polymer G* = f(T) = deform. resist. Asphalt High G* at low T – brittle Low G* at high T – viscous ∆G*(80 o C – 20 o C) = 1000xSBR Polymer Lower G* at low T – flexible Higher G* at high T – elastic ∆G*(80 o C – 20 o C) = 10x16
Polymer Modification of Asphalt EmulsionsEmulsify polymer modified asphalt “Pre-modified” emulsion Polymers – SBS, SB- Higher mod. asphalt viscosity higher asphalt + mill temp. Exit temp. > 100 o C Heat exchanger, back press. Polymer inside asphalt droplet17
Page 1 and 2: Federal Lands HighwayPolymer-Modifi
Page 3 and 4: PME Specification Targets Low tempe
Page 5 and 6: Strawman PME SpecificationIntermedi
Page 7 and 8: Central Bureau Fed Lands ProjectsSt
Page 9 and 10: Outline Asphalt emulsion primer Wha
Page 11 and 12: Asphalt Emulsions - Component Distr
Page 13 and 14: What are Polymers? Comprised of man
Page 15: Typical MonomersHHHCHCHHHHCCHHCCHHH
Page 19 and 20: Latex Polymer-Modified Asphalt Emul
Page 21 and 22: Chip Seal Surface TreatmentNear Tao
Page 23 and 24: Sweep Testing - CRS-2P vs CRS-2ASTM
Page 25 and 26: Curing of CRS-2LM Emulsion Water in
Page 27 and 28: Latex Polymer Distribution -Stable
Page 29 and 30: Micro Surfacing - High ADT + ESAL
Page 31 and 32: Micro Surfacing - Polymer Morpholog
Page 33 and 34: Wet Track Abrasion Loss - ISSA TB-1
Page 35: Summary - Polymer Modified Emulsion

Polymer Modified Emulsions

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