Air-blowing asphalt using hydrohalic acid catalysts

Details Air-blowing asphalt using hydrohalic acid catalysts Air-blowing asphalt using hydrohalic acid catalysts

1984-02-28

1986-10-21

Yarbrough, Amelia B.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

208 22, 208 44, C08L 9500

Patent

active

046183736

ABSTRACT:
A process for air-blowing asphalt in the presence of hydrohalic acids, particularly hydrobromic acid, and an asphalt composition comprising a major amount of asphalt and a minor but effective amount of hydrohalic acid is disclosed.

REFERENCES:
patent: 2200914 (1940-05-01), Burk et al.

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