B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
117/47.8
B01J 13/04 (2006.01) C09C 1/36 (2006.01) C09C 3/12 (2006.01)
Patent
CA 1309307
"FILLERS AND PIGMENTS POSSESSING ORGANIC POLYMER STABILIZING PROPERTIES AND A PROCESS FOR THEIR PREPARATION". ABSTRACT Stabilizing inorganic fillers or pigments having simultaneous reinforcing effect and stabilizing effect on organic polymers are obtained by a process comprising the following stages: a) bringing the inorganic filler or pigment, into contact with a solution, in an inert organic solvent, of a sterically hindered amine comprising one or more alkoxysilane groups in its molecule; b) maintaining the obtained mixture at higher than ambient, temperature (20-25°C) for a period of at least 0.5 hours; c) removing the solvent, treating at a temperature of 120-200°C and recovering the stabilizing filler or pigment obtained.
576971
Bersellini Ugo
Costanzi Silvestro
Gussoni Damiano
Zavattini Omero
Enichem Synthesis S.p.a.
Robic
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