C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2047
C08F 297/04 (2006.01)
Patent
CA 1220588
Abstract of the Disclosure Diene-styrene-.alpha.-methylstyrene block polymers are prepared by polymerization in excess .alpha.-methylstyrene with a lithium initiator wherein styrene-.alpha.-methylstyrene block is polymerized at a temperature from 20° to 160°C with the ratio of styrene to .alpha.-methylstyrene being from 50:1 to 1:50. 28,651B-F
422977
Lo Grace Y.
Tung Lu H.
Smart & Biggar
The Dow Chemical Company
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