C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 236/10 (2006.01) C08F 240/00 (2006.01) C09J 123/08 (2006.01) C09J 153/00 (2006.01)
Patent
CA 2041058
A tackifier resin is prepared by polymerizing a monomer mixture of 10 to 70% piperylene concentrate and 30 to 90% of a vinyl aromatic monomer in the presence of a boron trifluoride catalyst. The resin is water white in color. has a Gardner number of less than one, a softening point of 60 to 100°C and a polydispersity of 1 to 5. The tackifier is used in formulations based on EVA, block copolymers or polyolefins for hot-melt and pressure sensitive adhesive applications.
Chu Sung G.
Daughenbaugh Norman E. Jr.
Rosner Mark J.
Eastman Chemical Resins Inc.
Gowling Lafleur Henderson Llp
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