B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/106, 117/126
B32B 27/08 (2006.01)
Patent
CA 1125588
023107 1113 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 dissimilar synthetic polymeric materials, such as, for example, a vinyl resin mater- ial and a polyurethane or acrylated polyurethane resin material which comprises; including in the vinyl resin material a chem- ical compound possessing hydroxy, carboxy, amido, amino, imino, mercapto, or like functions containing reactive hydrogen; pro- viding free, available isocyanate in the polyurethane or acryl- ated polyurethane resin material; 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, whereby there is suf- ficient chemical inter-reaction between these resin materials as to create a strong and permanent primary chemical bond there- between, 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.
336073
Boba Joseph
Pogozelski Vincent F.
Varadhachary Seevaram N.
Congoleum Corporation
Macrae & Co.
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