Poliorganosiloxano procedure to prepare joint and Method for Stabilizing Organic Polymers against Light and Heat and oxidation degradation of Organic Polymer composition stabilizaThrough the oliorganosiloxano Ada

摘要

The invention refers to a compound organotin compound composed of at least one effective silicon (I) molecule,In the case of R1a representing radical tar of C1 to C4 or phenyl, containing a second or third periodic ammonia function, associated with silicon is an oxygen atom or a radical-ch2-ch2-coo (R2 is a hydrogen atom or a radical C1 to C3 tar),A = 0, 1 or 2; (2I) at least functionally similar (II),Where w represents a compatible function, in particular a tar composed of more than 10 decarbono atoms and B = 0, 1 or 2, and finally (3I) at least another (III) unit,D = 0, 1, 2 or 3, e = 0 or 1, D + e is at most equal to 3. These organotin compounds are being used in polymers to improve their photostability.