Polyvinyl pyridine microspheres

Details Polyvinyl pyridine microspheres Polyvinyl pyridine microspheres

1977-03-22

1979-10-09

Lesmes, George F.

Stock material or miscellaneous articles

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

Particulate matter

526265, 20415922, 20415915, 428407, 260 4244, B32B 516, C08J 900, C08F 800, C08F 246

Patent

active

041706854

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.

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patent: 3507846 (1970-04-01), Haas
patent: 3767600 (1973-10-01), Albright
patent: 3854982 (1974-12-01), Aelion et al.
patent: 3862924 (1975-01-01), Hamann et al.
patent: 3943045 (1976-03-01), Cordrey et al.
patent: 3947526 (1976-03-01), Bacskai
patent: 3957741 (1976-05-01), Rembaum et al.
patent: 4035316 (1977-07-01), Yen et al.
patent: 4039331 (1977-08-01), Lee
patent: 4046720 (1977-09-01), Rembaum et al.

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