Stable boron resins of high selective absorbent power

Details Stable boron resins of high selective absorbent power Stable 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

049372947

ABSTRACT:
Stable boron resins of high selective absorbent power and their production process. Said boron resins consist of 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.sub.1, R.sub.2, R.sub.3, R.sub.4 and X.sup.- are as defined in the text.
The resins are prepared by reacting an amine resin with an epihalohydrin and condensing the reaction product with a suitable boroxin.
The resins of formula (I) can be used for separating sugars, in particular for purifying lactulose. They have greater selective power than currently known boron resins.

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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