Production of urea-formaldehyde concentrates

Details Production of urea-formaldehyde concentrates Production of urea-formaldehyde concentrates

1974-11-14

1976-07-20

Morris, Theodore

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

71 28, 71 30, C08L 6124

Patent

active

039706257

ABSTRACT:
A process for preparing an improved urea-formaldehyde concentrate particularly adapted for production of slow-release nitrogenous fertilizers. The improvement is achieved by accurately controlling the buffer strength and the degree of polymerization of the urea-formaldehyde concentrate within specified critical limits. The process can be operated to also produce a different urea-formaldehyde concentrate suitable for use in adhesives.

REFERENCES:
patent: 2255027 (1941-09-01), Keenen
patent: 2625524 (1953-01-01), Kvalnes
patent: 2652377 (1953-09-01), Kise
patent: 3092486 (1963-06-01), Waters
patent: 3629176 (1971-12-01), Shriver

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