Stock material or miscellaneous articles – Composite – Including interfacial reaction product of adjacent layers
Patent
1980-08-25
1982-06-29
Robinson, Ellis P.
Stock material or miscellaneous articles
Composite
Including interfacial reaction product of adjacent layers
20415916, 20415919, 427 541, 427302, 427333, 4273722, 4284233, 4284244, 4284246, 4284248, 428522, B32B 2740, B32B 2730
Patent
active
043372961
ABSTRACT:
A method of improving the bond between dissimilar polymeric materials, such as, for example, a vinyl resin material and a polyurethane or acrylated polyurethane resin material, which comprises: including in the vinyl resin material an acrylate or an acrylated urethane; providing in the polyurethane or acrylated polyurethane resin material an organic peroxide or other UV or thermal activated free radical initiators; bringing the vinyl resin material and the polyurethane or acrylated polyurethane resin material into contact; and exposing the vinyl resin material and the polyurethane or acrylated polyurethane resin material, while in contact, to curing conditions in the presence of said organic peroxide or other UV or thermal activated free radical initiators, whereby there is sufficient chemical interreaction between these resin materials as to create a strong and permanent primary chemical bond therebetween, in addition to any secondary bonds, such as hydrogen bonds and/or van der Waals forces. The present invention also relates to the products involved in and resulting from such methods.
REFERENCES:
patent: 3959521 (1976-05-01), Suetsugi
patent: 4070398 (1978-01-01), Lu
patent: 4180615 (1979-12-01), Bettoli
patent: 4214208 (1980-07-01), Shortway
patent: 4216267 (1980-08-01), Lorenz
patent: 4217385 (1980-08-01), Shortway
Congoleum Corporation
Laughlin Richard T.
Robinson Ellis P.
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