Crosslinkable compositions based on organosilicon compounds

Details Crosslinkable compositions based on organosilicon compounds Crosslinkable compositions based on organosilicon compounds

2005-02-28

2008-03-04

Zimmer, Marc S. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C524S588000, C528S018000, C528S034000

Reexamination Certificate

active

07339012

ABSTRACT:
The invention relates to compositions based on organosilicon compounds, crosslinkable by condensation reaction, and having controllable modulus, to their preparation and to their use as sealants. The compositions contain as crosslinker(s) at least one organosiloxane containing units of the formulain-line-formulae description="In-line Formulae" end="lead"?RdXeSiO(4-d-e)/2  (I)in-line-formulae description="In-line Formulae" end="tail"?where R is preferably a hydrocarbon group and X is a hydrolyzable group, d and e are 0 or small whole numbers, with the proviso that the sum of d+e is ≦3, from 3 to 15 units of the formula (I) are present per molecule, at least two X radicals are present per molecule and at least one unit of the formula (I) where d=2 and e=0 is present per molecule.

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