Inomeric coupling agents based on amic acid-functional silanes

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

1988-06-03

1989-10-03

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523216, 525100, 525102, 525105, 525431, 525446, 556401, 556419, 556134, 10628711, 1062871, C08K 906

Patent

active

048717886

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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