Polyvinyl pyridine microspheres

Details Polyvinyl pyridine microspheres Polyvinyl pyridine microspheres

1978-10-02

1980-09-23

Turer, Richard B.

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

20415915, 20415916, 20415922, 427 44, 428325, 525261, 525265, C08F 246

Patent

active

042243599

ABSTRACT:
Microspheres are produced by cobalt gamma radiation initiated polymerization of a dilute aqueous vinyl pyridine solution. Addition of cross-linking agent provides higher surface area beads. Addition of monomers such as hydroxyethylmethacrylate acrylamide or methacrylamide increases hydrophilic properties and surface area of the beads. High surface area catalytic supports are formed in the presence of controlled pore glass substrate.

REFERENCES:
patent: 3507846 (1970-04-01), Haas
patent: 3943045 (1976-03-01), Cordrey et al.
patent: 3947526 (1976-03-01), Bacsuai
patent: 3957741 (1976-05-01), Rembaum et al.

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