Composites of metal with carbon fluoride and method of preparati

Details Composites of metal with carbon fluoride and method of preparati Composites of metal with carbon fluoride and method of preparati

1987-02-26

1987-12-29

Morgenstern, Norman

Coating processes

Immersion or partial immersion

Chemical compound reducing agent utilized

106 122, 106 123, 106 121, B05D 118

Patent

active

047160594

ABSTRACT:
Carbon fluoride and metal are co-deposited from an electroless plating bath onto a suitable solid, forming a thin surface layer having low surface energy and good lubricity. Carbon fluoride particles having an average size from 0.2 to 8 .mu.m are dispersed in an aqueous solution using 0.5 to 2 volume percent of surfactants comprising a nonionic surfactant having an HLB number of 10 to 20, optionally including up to a maximum 20% of a cationic surfactant based on the amount of nonionic surfactant used. Sufficient presuspended carbon fluoride particles are combined with an electroless metal plating bath to provide 1-50 grams of carbon fluoride per liter of the bath.

REFERENCES:
patent: 3617363 (1971-11-01), Metzger et al.
patent: 3756925 (1973-09-01), Takeuchi et al.
patent: 3787294 (1974-01-01), Kurosaki et al.
patent: 4098654 (1978-07-01), Helle et al.
patent: 4358922 (1982-11-01), Feldstein
patent: 4358923 (1982-11-01), Feldstein
Feldstein et al., "The State of the Art in Electroless Composite Plating", The First AES Electroless Plating Symposium", Mar. 23-24, 1982, St. Louis, Mo., pp. 1-17.
Physical Chemistry of Surfaces, Arthur W. Adamson, 2nd ed., John Wiley & Sons, Inc. (1967), pp. 520-522.

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