Method for improving the strength of bitumen, asphalt or a simil

Details Method for improving the strength of bitumen, asphalt or a simil Method for improving the strength of bitumen, asphalt or a simil

1992-11-18

1995-12-05

Szekely, Peter A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 66, 524 68, 524 69, 524 70, 524 71, C08L 9500

Patent

active

054730007

ABSTRACT:
The invention relates to a method for improving the properties of bitumen, asphalt, or a similar material by adding to it a thermoplastic or a thermoelastomer, the solubility and compatibility of the thermoplastic or thermoelastomer being improved by a third component, which is wood resin, turpentine resin, a derivative of these, tall oil, tall-oil pitch, or a constituent or mixture of these. The obtained composition of bitumen, asphalt or a similar material can be used as a binding agent in road pavement materials.

REFERENCES:
patent: 3896069 (1975-07-01), Kosaka et al.
patent: 4008095 (1977-02-01), Fukushima et al.
patent: 4064082 (1977-12-01), Henschel
patent: 4422878 (1983-12-01), Fry
patent: 4425453 (1984-01-01), Hunter
patent: 4433084 (1984-02-01), Ostermeyer et al.
patent: 4437896 (1984-03-01), Partanen
patent: 4738996 (1988-04-01), Vonk et al.
patent: 5023282 (1991-06-01), Neubert
patent: 5221703 (1993-06-01), Ostermeyer
Journal of Applied Polymer Science, vol. 31, 2685-2704 (1986), Jew et al. "Polyethylene-Modified Bitumen for Paving Applications".

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