Degreasing solution and degreasing method

Details Degreasing solution and degreasing method Degreasing solution and degreasing method

1992-11-05

1995-05-16

Skane, Christine

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252156, 252173, 25217414, 25217421, 25217424, 134 40, C11D 308, C11D 310, C11D 337, C23G 500

Patent

active

054157978

ABSTRACT:
A method for degreasing iron, zinc or aluminum metal or an alloy comprising two or more of these metals to be processed by bringing a degreasing solution in contact with the metal to be processed, wherein said degreasing solution contains an alkali silicate, a water-soluble polycarboxylate and a nonionic surfactant and is controlled so as to satisfy the following 1, 2, 3 and 4 conditions.
1 The pH value of the degreasing solution is 10.5 or more.
2 The concentration of an alkali silicate is 100 ppm or more upon converting into the Si element and satisfactory for the following (a) equation:

REFERENCES:
patent: 3870560 (1975-03-01), Shumaker
patent: 4390465 (1983-06-01), Spekman, Jr.
patent: 4844744 (1989-07-01), Leiter et al.
patent: 4915864 (1990-04-01), Kita et al.
European Search Report for EP 92 11 8781, Apr. 20, 1993.

Affiliated with

Also associated with

Rating

Degreasing solution and degreasing method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Degreasing solution and degreasing method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Degreasing solution and degreasing method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-636044