Formed organosiloxane amine copolycondensates method of their pr

Details Formed organosiloxane amine copolycondensates method of their pr Formed organosiloxane amine copolycondensates method of their pr

1990-07-25

1992-03-03

Marquis, Melvyn I.

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

Synthetic resins

From heavy metal or aluminum reactant having at least one...

528 38, 528 39, 528 30, 528 12, 528 18, 528 21, C08G 7900

Patent

active

050934511

ABSTRACT:
Organosiloxane copolycondensates which are optionally cross-linked by means of cross-linking agents containing Si, Ti, Zr and/or Al and comprised of the units ##STR1## and X--R.sup.4, wherein ##STR2## wherein R.sup.5 =alkylene with C.sub.1 -C.sub.10 bound directly to N or X, or cycloalkylene with C.sub.5 -C.sub.8 or ##STR3## X=--NH.sub.2, --NH--(CH.sub.2).sub.2 --NH.sub.2, --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2 --NH--(CH.sub.2).sub.2 --NH--(CH.sub.2).sub.2 --NH.sub.2, --Cl, --Br, --I, --SH, --P(C.sub.6 H.sub.5).sub.2, ##STR4## wherein R"=H or alkyl with C1-C5 in the form of spherical particles with a diameter of 0.01 to 3.0 mm, a specific surface of up to 1000 m.sup.2 /g, a specific pore volume of up to 6.0 ml/g and a bulk density of 50 to 1000 g/l. The formed copolycondensates can be used for removing metals from solutions and/or for the adsorption of gaseous organic compounds and/or of water vapor.

REFERENCES:
patent: 4954599 (1990-09-01), Panster et al.
patent: 4999413 (1990-03-01), Panster et al.

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