Boron resins of high selective absorbent power

Details Boron resins of high selective absorbent power Boron resins of high selective absorbent power

1990-05-24

1991-03-26

Lipman, Bernard

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 462, C13J 106

Patent

active

050026135

ABSTRACT:
Stable boron resins of high selective absorbent power, their production process, and processes of using said boron resins. The boron resins include a polyacrylic matrix functionalized with quaternary ammonium groups, an epoxy group and phenylboric groups in accordance with general formula (I): ##STR1## in which P, R, R.sub.1, R.sub.2, R.sub.3, Y and X.sup.- are as defined in the text. The resin is prepared by condensing an acrylic resin with an epihalohydrin and then with a halide or hydroxide of an oxiphenyl-aminophenyl- or thiophenyl-boroxin or their alkyl derivatives. Compared with similar currently known resins, the resins of formula (I) have improved selectivity in sugar preparation. They can be used for purifying lactulose.

REFERENCES:
patent: 3663659 (1972-05-01), Kray et al.
patent: 4355140 (1982-10-01), Manziek
patent: 4506036 (1985-03-01), Filippini et al.
patent: 4542161 (1985-09-01), Filippini et al.

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