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US 5,330,601 AGranted
Surface modification of elastomers for bonding
AssigneeH.B. Fuller Licensing & Financing, Inc.
InventorPeter Gottschalk
Life of this patent
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Abstract
Pretreatment of elastomer substrate surfaces with aqueous solutions of monopersulfate compound (MPS) and the improved adhesive bonds obtained between such pretreated substrate surfaces and other substrates.
Claims23
A method of bonding substrates together wherein at least one of the substrates is of a rubber material based on diene monomers and is pretreated before bonding, the pretreatment comprising:
- providing an aqueous solution of monopersulfate compound (2KHSO.sub.5.KHSO.sub.4.K.sub.2 SO.sub.4);
- applying the solution to the surface to be treated for a period of time, and
- subsequently substantially removing the solution from the surface;
- and subsequently
- bonding by applying adhesive to at least one of the substrate surfaces to be bonded and pressing them together for a period of time for adhesion.
2 more elements
A method of surface treating a rubber material based on diene monomers for improved adhesive bonding thereto, comprising:
- providing an aqueous solution of monopersulfate compound (2KHSO.sub.5.KHSO.sub.4.K.sub.2 SO.sub.4);
- applying the solution to the surface to be treated for a period of time, and
- substantially removing the solution from the surface.
Dependencies are inferred from the claim text.