Modified asphalt-epoxy resin composition

Details Modified asphalt-epoxy resin composition Modified asphalt-epoxy resin composition

1983-07-28

1985-02-12

Lieberman, Allan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 545, C08L 6300, C08L 9500

Patent

active

044992157

ABSTRACT:
An asphalt/epoxy resin coating composition in which asphalt and epoxy resin are sufficiently compatible with each other is produced by mixing under heat asphalt with a condensation product of an asphalt and a non-thermoreactive phenol resin such as C.sub.4 -C.sub.8 alkylphenol-formaldehyde resin, the condensation being effected at a temperature of 160.degree. to 200.degree. C. in the presence of an arylsulfonic acid as catalyst.
The coating composition gives an excellent coating without separation of asphalt or silking based on the incompatibility of asphalt and epoxy resin, by mixing with a curing agent for epoxy resin.

REFERENCES:
patent: 3915730 (1974-10-01), Lebureau et al.
patent: 4139511 (1979-02-01), Hayashi et al.
patent: 4162998 (1979-07-01), Doi et al.
patent: 4360608 (1982-11-01), Hijikata et al.

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