Process for making improved corrosion preventive zinc cyanamide

Details Process for making improved corrosion preventive zinc cyanamide Process for making improved corrosion preventive zinc cyanamide

1991-12-06

1993-01-05

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

106419, C01C 0316

Patent

active

051768941

ABSTRACT:
Improved corrosion preventive pigment grade zinc cyanamide suitable for protective mirror backing coating is prepared by reacting a totally hydrated zinc oxide slurry with hydrogen cyanamide. The reaction is carried out while maintaining a stoichiometric excess of zinc oxide at an elevated temperature between about 75.degree. C. and about 85.degree. C. The reaction mixture is provided in a condition free of inorganic soluble salts and free of anions containing sulfur such as sulfides or sulfates.

REFERENCES:
patent: 1745753 (1930-02-01), Franck et al.
patent: 1948106 (1934-02-01), Franck
patent: 3039848 (1962-06-01), Schaus
patent: 4305979 (1981-12-01), Isarai et al.
patent: 4707405 (1987-11-01), Evans et al.
patent: 5009935 (1991-04-01), Waddington et al.

Affiliated with

Also associated with

Rating

Process for making improved corrosion preventive zinc cyanamide does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for making improved corrosion preventive zinc cyanamide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for making improved corrosion preventive zinc cyanamide will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2389817