Multiple types of microcapsules and their production

Details Multiple types of microcapsules and their production Multiple types of microcapsules and their production

1985-01-31

1987-02-17

Lovering, Richard D.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 88, 71DIG1, 264 47, 424 19, 424 32, 424 84, 424DIG8, 42840221, 514104, 514963, A01N 4300, A01N 2528, B01J 1302

Patent

active

046437649

ABSTRACT:
In a process of encapsulating water-immiscible material within discrete capsules of polyurea without addition of a second reactant, whereby hydrolysis of an isocyanate monomer to form an amine takes place which in turn reacts with another isocyanate monomer to form polyurea, which comprises the steps

REFERENCES:
patent: 3041289 (1962-06-01), Katchen et al.
patent: 3490454 (1970-01-01), Goldfarb et al.
patent: 4285720 (1981-08-01), Scher

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