Method for preparing industrial grade asphalt using an asphalt-p

Details Method for preparing industrial grade asphalt using an asphalt-p Method for preparing industrial grade asphalt using an asphalt-p

1982-12-30

1984-06-12

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08L 3100

Patent

active

044542690

ABSTRACT:
A method for producing air-blown industrial asphalt using asphalt, ethylene/vinyl-acetate copolymer and an air-blowing catalyst is disclosed. The EVA copolymer is present in a weight percent of from 1 weight percent to 10 weight percent. Also disclosed is the asphalt composition resulting from the air-blowing method.

REFERENCES:
patent: 3309329 (1967-03-01), Schultz et al.
patent: 3344101 (1967-09-01), Roediger

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