Process for applying a sealing composition

Details Process for applying a sealing composition Process for applying a sealing composition

1985-06-21

1987-04-21

Childs, Sadie L.

Coating processes

Restoring or repairing

427142, 427197, 427202, 4273855, B32B 3500

Patent

active

046595899

ABSTRACT:
The invention described herein comprises a two component sealant composition and process for applying the same for repair of ruptures, holes, cracks, etc., in hoses, pipes, tires, etc. The first component is an alpha-cyanoacrylate glue which is applied as a layer covering the rupture or crack and after a very short period the second component, a powder, is applied to the surface of the alpha-cyanoacrylate. This second component comprises a polymerization initiator having hydroxyl and/or carboxylate groups therein, such as carbohydrates, i.e., saccharides, etc., hydrolyzed polyvinylacetate, etc. A particularly preferred initiator is alginate.

REFERENCES:
patent: 495375 (1893-04-01), Savary
patent: 3019127 (1962-01-01), Czerwonk et al.
patent: 4180913 (1980-01-01), Takeuchi et al.
patent: 4182823 (1980-01-01), Schoenberg

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