Polyacrolein microspheres

Details Polyacrolein microspheres Polyacrolein microspheres

1985-07-01

1987-07-07

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 79, 522 81, 522174, C08F 254, C08F 1634

Patent

active

046788140

ABSTRACT:
Microspheres of acrolein homopolymers and copolymer with hydrophillic comonomers such as methacrylic acid and/or hydroxyethylmethacrylate are prepared by cobalt gamma irradiation of dilute aqueous solutions of the monomers in presence of suspending agents, especially alkyl sulfates such as sodium dodecyl sulfate. Amine or hydroxyl modification is achieved by forming adducts with diamines or alkanol amines. Carboxyl modification is effected by oxidation with peroxides. Pharmaceuticals or other aldehyde reactive materials can be coupled to the microspheres. The microspheres directly form antibody adducts without agglomeration.

REFERENCES:
patent: 4413070 (1983-11-01), Rembaum
patent: 4622362 (1986-11-01), Rembaum

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