Patent · US Active

Process for producing polymer-functionalized filler particles

US8912267B2 · kind B2 · utility

1Cited by

1References

9Claims

0Family size

Assignee

Continental Reifen Deutschland GmbH · DE

Inventors

Katharina Herzog · Harsum, DE
Phillip Vana · Bad Gandersheim, DE
Lena Mueller · Alsfeld, DE
Bjoern Springer · Hanau, DE
Carla Recker · Hannover, DE

Key dates

Filing date	May 24, 2013
Grant date	Dec 16, 2014
Priority date	—
Expiry date	May 24, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2004/80
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for producing polymer-functionalized filler particles and polymer-functionalized filler particles obtained by this process. The polymer-functionalized filler particles are used as additives for rubber mixtures. The polymers for functionalizing the filler particles are obtained in-situ starting from filler particles having a surface-bound RAFT agent. The binding of silyl-bearing RAFT agents and of Diels-Alder RAFT agents occurs via the R-group and the subsequent RAFT polymerization proceeds via a reactive site of the RAFT agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.