Asphalt composition resistant to weathering

Details Asphalt composition resistant to weathering Asphalt composition resistant to weathering

1976-10-19

1981-01-27

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106278, 106279, 260 285AS, C08L 9500

Patent

active

042473357

ABSTRACT:
Paving-grade asphalt compositions having improved resistance to weathering are described which are obtained by incorporating into a paving-grade asphalt either (1) the product obtained by alkylating phenol with a resin oil, i.e., a hydrocarbon fraction of medium molecular weight compounds in the C.sub.9 carbon range primarily aromatic in nature, or (2) the condensation product of formaldehyde with the alkylation product of phenol and a C.sub.4 raffinate stream consisting mainly of butene-1, butene-2 and isobutylene.

REFERENCES:
patent: 2906720 (1959-09-01), Simpson
patent: 2923745 (1960-02-01), Buls et al.
patent: 2965612 (1960-12-01), Holland et al.
patent: 3207687 (1965-09-01), Maier

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