Processes for the preparation of resinous bodies for adherent me

Details Processes for the preparation of resinous bodies for adherent me Processes for the preparation of resinous bodies for adherent me

1975-07-09

1977-10-18

Kendall, Ralph S.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427305, 427306, 427307, 252 795, 252 791, C23C 302, C09K 1300, C09K 1302

Patent

active

040546934

ABSTRACT:
Securely bonded layers of electroless metals on bodies having a resinous surface are provided after first contacting the surface of the body with a highly active, easily controllable, readily disposable composition comprising water, permanganate ion and manganate ion, the molar ratio of manganate to permanganate being up to about 1.2 and the composition having a pH controlled in the range of 11 to 13. Resinous surfaces so treated are neutralized in a process including treatment with hydrazine in order to yield metallized resinous surfaces exhibiting superior peel strengths following electroless metal deposition.

REFERENCES:
patent: 3620804 (1971-11-01), Bauer et al.
patent: 3625758 (1971-12-01), Stahl
patent: 3647699 (1972-03-01), Doty et al.
patent: 3652351 (1972-03-01), Guisti
patent: 3962496 (1976-06-01), Leech
Brenner, "Electroless Plating Comes of Age", Metal Finishing, Dec. 1954, p. 65.

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