Small, porous polyacrylate beads

Details Small, porous polyacrylate beads Small, porous polyacrylate beads

1974-10-04

1976-10-12

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415922, 260 25B, 260874, 260101, C08F 800, C08F22600

Patent

active

039856321

ABSTRACT:
Uniformly-shaped, porous, round beads are prepared by the co-polymerization of an acrylic monomer and a cross-linking agent in the presence of 0.05 to 5% by weight of an aqueous soluble polymer such as polyethylene oxide. Cross-linking proceeds at high temperature above about 50.degree.C or at a lower temperature with irradiation. Beads of even shape and even size distribution of less than 2 micron diameter are formed. The beads will find use as adsorbents in chromatography and as markers for studies of cell surface receptors.

REFERENCES:
patent: 3663467 (1972-05-01), Albright
patent: 3699089 (1972-10-01), Wichterle
patent: 3767600 (1973-10-01), Albright

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