Degussa Aktiengesellschaft

Horst Grethe

Peter Panster

Peter K Kleinschmit

Stefan Wieland

Wolfgang Lortz

Torsten Balduf

Joachim Pohlisch

Thomas Gobel

A continuous method of producing .gamma.-aminopropyltrialkoxysilanes as well as mixtures of primary and secondary aminosilanes by reacting .gamma.-chloropropyltrialkoxysilane with ammonia is disclosed. The steps are:

Continuous method of producing .gamma.-aminopropyltrialkoxysilanes

Disclosed are shaped organosiloxane polycondensates in the form of macroscopic spherical particles with a diameter of 0.01 to 2.5 mm, a specific surface area of 0.01 to 1000 m.sup.2 /g, a specific pore volume of 0.01 to 5 ml/g, and a bulk density of 50 to 1000 g/l, consisting of units of the formula (I):

Shaped organosiloxane polycondensates, process for their preparation and

Organosiloxane amine copolycondensates as statistic or block copolycondensates or mixtures thereof consisting of the units ##STR1## and

Organosiloxane amine copolycondensates, method of their preparation and

##STR1## are presented in which R.sup.1 =phenyl or nitrophenyl, R.sup.2 is an entity of the formula

Organosilanes containing benzoyl thiourea groups and method of

Organopolysiloxanes are described with the same or different units of the formula:

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Hanau, Germany

Horst Grethe