Sulfur-based encapsulants for fertilizers

Details Sulfur-based encapsulants for fertilizers Sulfur-based encapsulants for fertilizers

1986-04-07

1987-01-13

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 6411, 10628732, C05C 900

Patent

active

046362428

ABSTRACT:
A slow release particulate fertilizer product in which the fertilizer particles are encapsulated with a sulfur coating. The sulfur coating is substantially crystalline and contains in admixture therewith from 0.05 to 2% (by weight of the coating) of a substituted symmetrical dialkyl polysulfide plasticizer as the sole organosulfur compound in the admixture. Fertilizer efficiency over standard sulfur coatings improves typically 40-50% with the plasticized sulfur coatings.

REFERENCES:
patent: 3437498 (1969-04-01), Martin
patent: 3903333 (1975-09-01), Shirley, Jr. et al.
patent: 3991225 (1976-11-01), Blouin

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