| abstract |
The silane coupling agents are prepared by reaction of the mercapto silane with a carboxylic acid anhydride whereby the mercapto group adds across the double bond of the anhydride. The compounds can be converted to the corresponding diacid by reaction with water, and are useful as coupling agents for bonding glass fibers to resinous plastics, including thermoplastics and thermosetting resins and the elastomeric materials. |