Amorphous refractory compositions

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 56, 106 65, 106 67, C04B 3552

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active

042204747

ABSTRACT:
An amorphous refractory composition comprising a petroleum-derived binder prepared by feeding a fraction boiling at not lower than 150.degree. C. obtained by thermal or steam cracking of petroleum-derived hydrocarbons, into a first-step agitating vessel where the fraction is heat treated under specific conditions, feeding the thus heat treated fraction into a second-step agitating vessel where it is heat treated under specific conditions and then removing the light fraction from the further heat treated fraction thereby to obtain the petroleum-derived binder.

REFERENCES:
patent: 3994738 (1976-11-01), Visser
patent: 4008194 (1977-02-01), Shintani
patent: 4022739 (1977-05-01), Bove
patent: 4072531 (1978-02-01), Funabiki et al.

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