Patent · US Active

Alkoxy-crosslinking rubber mixtures comprising niobium or tantalum condensation catalysts

US8697818B2 · kind B2 · utility

1Cited by

3References

3Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Anja Roscher · Munich, DE
Hans Eberle · Mountain View, US
Marco Hofmann · Wien, AT
Uwe Scheim · Coswig, DE

Key dates

Filing date	Jan 26, 2010
Grant date	Apr 15, 2014
Priority date	—
Expiry date	Apr 11, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/70
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention provides alkoxy-crosslinking rubber mixtures (M) which comprise a compound of the general formula (1) M(OR1)n(OSiR23)5-n (1) and polymers with end groups of the general formula (2) —SiR3a(OR4)3-a (2), where M is defined as Nb or Ta, R1, R2; R3 and R4 are each hydrocarbon radicals having 1 to 10 carbon atoms, n is 1, 2, 3 or 4, and a is 0 or 1.

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