C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
154/106, 400/706
C07F 7/10 (2006.01) C07F 7/18 (2006.01) C08K 5/5455 (2006.01) C08K 9/06 (2006.01)
Patent
CA 1334205
Novel ionomeric silane coupling agents are disclosed and their use in bonding a matrix polymer to a mineral substrate is described. The coupling agents comprise amic acid-functional silanes which are partially neutralized with metal cations and are prepared by reacting a mixture of (I) an amine-functional silane, (II) a stoichiometric excess of a dicarboxylic organic acid and (III) an ionic compound containing a metal cation, wherein 10% to 80% of the excess carboxylic acid functionality is neutralized by the metal cations. The coupling agents greatly improve bonding to the matrix polymer in moist environments and are particularly suitable for use in formulating filled injection molding compositions.
598790
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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