Method for treating polymeric substrates prior to plating

Details Method for treating polymeric substrates prior to plating Method for treating polymeric substrates prior to plating

1975-03-11

1976-06-08

Drummond, Douglas J.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

106 1, 134 27, 134 28, 156 2, 427307, B05D 304, B05D 310

Patent

active

039624978

ABSTRACT:
The present invention is directed to a process and composition effective prior to the electroless plating of polymeric substrates to substantially completely remove hexavalent chromium ions present in the aqueous acidic solution utilized to etch the plastic part. This novel result is accomplished by treating the polymeric substrate with a hydroxylamine salt in an acidic solution which may contain hydrochloric acid, sulfuric acid or partially neutralized acidic salts. The process and composition of this invention may be employed as a neutralizer prior to the activating step or subsequent thereto as an accelerator, or at both locations in the process for maximum effectiveness.

REFERENCES:
patent: 3484270 (1969-12-01), Suabestre et al.
patent: 3620804 (1971-11-01), Bauer et al.
patent: 3769061 (1973-10-01), Duthewych et al.
patent: 3874897 (1975-04-01), Fadgen et al.
patent: 3889017 (1975-06-01), Franz et al.

Affiliated with

Also associated with

Rating

Method for treating polymeric substrates prior to plating does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for treating polymeric substrates prior to plating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for treating polymeric substrates prior to plating will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1101206