Porous resin bead production method

Details Porous resin bead production method Porous resin bead production method

2006-12-26

2006-12-26

Zemel, Irina S. (Department: 1711)

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S056000, C521S149000, C521S150000, C521S147000, C525S329500, C526S326000, C528S396000, C528S425000

Reexamination Certificate

active

07153890

ABSTRACT:
The present invention provides, as a resin bead which can be developed for use completely different from the use of conventional polystyrene resin beads, a porous resin bead made from a styrene-hydroxystyrene-divinylbenzene copolymer, which contain a hydroxyl group in an amount of 10–1000 μmol/g, and further, a production method of a porous resin bead made from a styrene-hydroxystyrene-divinylbenzene copolymer, which contains suspension copolymerization of a styrene monomer, an acyloxystyrene monomer and a divinylbenzene monomer using an organic solvent (containing at least hydrocarbon and alcohol) and water, followed by hydrolysis reaction.

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Deleuze et al.,Journal of the Chemical Society, Perkin Transactions, 2: 2217-2221 (1995).

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