Aluminum salts of aromatic sulfonic acids formaldehyde condensat

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

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106314, C04B 735

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active

045043167

ABSTRACT:
Aluminum salts of aromatic sulfonic acid formaldehyde condensates are useful cement additives and leather retanning agents. These salts prepared by reaction of freshly precipitated aluminum hydroxide with aromatic sulfonic acid formaldehyde condensate are of higher purity than aluminum salts obtained by prior art processes.

REFERENCES:
patent: 4080217 (1978-03-01), Pierre et al.
patent: 4308069 (1981-12-01), Tsuji et al.

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