Sprayable hot melt adhesives for case and carton sealing

B - Operations – Transporting – 31 – F

Patent

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Details

154/102, 154/134

B31F 5/00 (2006.01) B32B 29/08 (2006.01) C09J 123/20 (2006.01)

Patent

CA 2000280

ABSTRACT OF THE DISCLOSURE Rigid substrates for case and carton sealing and traymaking applications are bonded by spray application of a hot melt adhesive composition comprising 25 to 50 percent of an isotactic thermoplastic polybutene-1/ethylene copolymer containing from about 5.5 to about 10% by weight ethylene; 20 to 60 percent of a tackifier; 15 to 30 percent of an amorphous diluent having a softening point greater than 90°C; 0 to 2 percent antioxidant; and 0 to 10 percent wax or oil.

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