Process for the preparation of crosslinked poly .beta.-alanine i

Details Process for the preparation of crosslinked poly .beta.-alanine i Process for the preparation of crosslinked poly .beta.-alanine i

1988-12-13

1990-05-22

Pertilla, Theodore E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

424489, 424501, C08L 6100

Patent

active

049278835

ABSTRACT:
A process for preparing crosslinked poly .beta.-alanine in the form of microspheres comprises (a) polymerizing acrylamide in a tert. butanol/toluene solvent mixture in the presence of a polymerization initiator and an octadecene-maleic anhydride copolymer as a suspension agent; (b) submitting the resulting suspension of poly .beta.-alanine to a crosslinking reaction using a dialdehyde as the crosslinking agent; and (c) isolating the crosslinked poly .beta.-alanine microspheres. These microspheres exhibit a low size dispersity.

REFERENCES:
patent: 4734286 (1988-03-01), Mahieu et al.
French Search Report, Sep. 14, 1988.

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