Microcapsules containing a hydrophobic, volatile core substance

Details Microcapsules containing a hydrophobic, volatile core substance Microcapsules containing a hydrophobic, volatile core substance

1984-09-06

1986-09-09

Lovering, Richard D.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

71DIG1, 252522A, 264 47, 424 19, 424 32, 525936, B01J 1302, B32B 2700

Patent

active

046109277

ABSTRACT:
Disclosed herein are microcapsules containing a hydrophobic, volatile substance as the core substance, a wall membrane of the microcapsule comprising a polymer made by interfacial polymerization of a polyvalent isocyanate with a water-soluble cationic urea resin and/or a prepolymer of aminoresin, and a resin made by polycondensing the water-soluble cationic urea resin with the prepolymer of aminoresin in the presence of a low-molecular anionic surfactant, and a process for producing the microcapsules.

REFERENCES:
patent: 3607775 (1971-09-01), Yoshida et al.
patent: 3981821 (1976-09-01), Kiritani et al.
patent: 4353809 (1982-10-01), Hoshi et al.
patent: 4460722 (1984-07-01), Igarashi et al.

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