Ionomeric coupling agents based on amic acid-functional silanes

Details Ionomeric coupling agents based on amic acid-functional silanes Ionomeric coupling agents based on amic acid-functional silanes

1989-05-24

1991-03-26

Bleutge, John C.

Stock material or miscellaneous articles

Composite

Of silicon containing

428448, 428429, 156326, 156327, 156329, 427387, 4274072, 4274073, 523213, 523216, 525100, 525102, 525105, 525431, B32B 904, C09J20110

Patent

active

050028316

ABSTRACT:
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.

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