Carbon black inhibition of pitch polymerization

Details Carbon black inhibition of pitch polymerization Carbon black inhibition of pitch polymerization

1987-06-05

1989-02-21

Sneed, H. M. S.

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 23, 208 39, C10C 100

Patent

active

048062278

ABSTRACT:
There is disclosed pitch prepared from petroleum pitch, which is normally considered to be inferior to coal tar pitch, which petroleum pitch has properties to equal that of coal tar pitch. That is to say, that the softening points, the Conradson carbon, the toluene insolubles and the quinoline insolubles can be matched with those obtained from coal tar pitch. In addition the properties of the petroleum pitch can be varied to meet end user specifications.

REFERENCES:
patent: 1456495 (1923-05-01), Sieurin
patent: 2148133 (1939-02-01), Reuscher et al.
patent: 2270181 (1942-01-01), Cole et al.
patent: 2826507 (1958-03-01), Waddill
patent: 3112208 (1963-11-01), Johnson
patent: 4339328 (1982-07-01), Stadelhofer et al.
patent: 4438059 (1984-03-01), Mollman et al.
patent: 4522627 (1985-06-01), Gomi et al.

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