NEW OLIGOMERIC ORGANOSILANEPOLYSULFANES, THEIR USE IN RUBBER MIXTURES AND FOR PREPARING MOULDED ARTICLES

摘要

THE PRESENT INVENTION RELATES TO OLIGOMERIC ORGANOSILANEPOLYSULFANES WHICH ARE BUILT UP FROM THE THREE STRUCTURAL UNITS A AND/ OR B AND/ OR C,FORMULA 1 IN WHICH Y=H, CN, -(CH2) nSIRR1R2;N=1-8,R,R1, R2 AND R3, INDEPENDENTLY, REPRESENT H, (C1-C4) ALKYL, (C1-C4) ALKOXY, HALOGEN OR A OSIR1R2R3 GROUP; X, AS A STATISTICAL AVERAGE, IS 1 - 6, Z, AS A STATISTICAL AVERAGE, IS 2- 6, N, IS 1 - 8 AND O, P AND Q ARE EACH A WHOLE, POSITIVE NUMBER BETWEEN 1 AND 40 WHERE O +P+Q MAY BE > 2 AND < 40 ,WITH THE PROVISO THAT AT LEAST ONE STRUCTURAL UNIT A OR B IS PRESENT, AND THEIR USE RUBBER MIXTURES AND TO PRODUCE MOULDED ITEMS, IN PARTICULAR PNEUMATIC TYRES.