B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/126, 117/147
B32B 27/08 (2006.01)
Patent
CA 1127022
METHODS FOR BONDING DISSIMILAR SYNTHETIC POLYMERIC MATERIALS AND THE PRODUCTS INVOLVED IN AND RESULTING FROM SUCH METHODS ABSTRACT OF THE DISCLOSURE A method of improving the bond between dissililar polymeric ma- terials, such as, for example, a vinyl resin material and a poly- urethane or acrylated polyurethane resin material, which com- prises: 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 mater- ial and the polyurethane or acrylated polyurethane resin mater- ial, while in contact, to curing conditions in the presence of said organic peroxide or other UV or thermal activated free rad- ical initiators, whereby there is sufficient chemical inter- reaction 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 in- volved in and resulting from such methods.
336072
Congoleum Corporation
Macrae & Co.
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