Boron resins of high selective absorbent power

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

1988-03-21

1990-06-26

Lipman, Bernard

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

Synthetic resins

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

5253303, 525337, 526239, C08F 800

Patent

active

049372955

ABSTRACT:
Stable boron resins of high selective absorbent power and their production process. Said boron resins consist of a polyacrylic matrix functionalized with quaternary 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 separation. They can be used for purifying lactulose.

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

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