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US 5,496,886 AGranted
One-coat adhesive for bonding castable urethanes to metal
AssigneeLord Corporation
InventorMichael P. Courlias
Life of this patent
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Abstract
An aqueous adhesive composition for bonding a castable urethane to a metal substrate during the curing cycle of the urethane contains (a) a water-soluble or water-dispersible phenoxy resin, (b) a water-soluble or water-dispersible phenolic resole resin; and (c) the balance being water.
Claims9
An aqueous adhesive composition for bonding a molded castable urethane to a metal substrate during the molding cycle of the urethane, said composition comprising:
- (a) a water-soluble or water-dispersible thermoplastic phenoxy resin that includes substantially no terminal epoxide groups and comprises a reaction product of bisphenol A with epichlorohydrin;
- (b) a water-soluble or water-dispersible phenolic resole resin that comprises a condensation product of an aldehyde having from 1 to 8 carbon atoms with a phenolic compound;
- and
- (c) the balance up to 100% by weight, based on the total composition weight, being water.
1 more element
Dependencies are inferred from the claim text.