Storage stable polymer modified asphalt paving binder

Details Storage stable polymer modified asphalt paving binder Storage stable polymer modified asphalt paving binder

1992-07-16

1993-09-28

Morris, Theodore

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 23, 208 44, 1062731, 106274, 524 64, 524 69, 524 70, 524 71, C08L 9500, C08L 900

Patent

active

052484076

ABSTRACT:
Paving binders, especially hot mix paving mixtures, having excellent storage stability, reduced binder runoff, and high temperature viscosity are formed by adding a copolymer of ethylene with an alkyl acrylate or vinyl acetate and a neutralized sulfonated polymer to the asphalt. Preferably, the alkyl acrylate is methyl acrylate and the neutralized sulfonated polymer is a terpolymer of ethylene, propylene, and a diene monomer.

REFERENCES:
patent: 3642728 (1972-02-01), Canter
patent: 3836511 (1974-09-01), O'Farrell et al.
patent: 4371641 (1983-02-01), Boyer et al.
patent: 4738997 (1988-04-01), Lundberg et al.
patent: 4868233 (1989-09-01), Moran
patent: 4873275 (1989-10-01), Moran et al.
patent: 5070123 (1991-12-01), Moran
patent: 5095055 (1992-03-01), Moran

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