C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2043
C08F 297/04 (2006.01)
Patent
CA 1038097
Inventor: Robert E. Cunningham Invention: METHOD OF PREPARING BLOCK POLYMERS Abstract of the Disclosure There is disclosed an improved method of preparing ABC block polymers, wherein A is .alpha.-methylstyrene, B is a conjugated diene, and C is styrene or a substituted styrene. The block polymers described herein are useful in applica- tions wherein thermoplastic aromatic materials are required such as injection molding of rubber products. The block polymers being thermoplastic in nature do not require vulcanization as do normal rubbers.
203849
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