Process for the production of polymer-modified asphalts and asph

Details Process for the production of polymer-modified asphalts and asph Process for the production of polymer-modified asphalts and asph

1990-10-18

1991-05-28

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 59, 524 60, 524 68, C08F 4552

Patent

active

050196103

ABSTRACT:
Disclosed is a polymer-modified asphalt composition which comprises a mixture of (a) a blend of from about 10 to 75 weight-percent of one or more of a thermoplastic rubber polymer and from about 90 to 25 weight-percent of one or more of a fatty dialkyl amide, and (b) an asphalt cement. Also disclosed is a method of preparing such compositions, which requires gentle stirring only.

REFERENCES:
patent: 3825513 (1974-07-01), Rostler
patent: 3919148 (1975-11-01), Winters et al.
patent: 4728683 (1988-03-01), Smits et al.

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