C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/453
C08F 2/42 (2006.01) C08F 36/06 (2006.01) C08F 236/10 (2006.01)
Patent
CA 1135450
SHORT-STOP Abstract of the Disclosure The polymerization of butadiene and styrene in an emulsion free radical polymerization process using a per- sulphate initiator is effectively short-stopped by the addition of ascorbic acid or the sodium or potassium salts thereof. The butadiene-styrene polymer so produced may be used in those end uses generally associated with the prior known use of such polymers.
332982
Davidson Melvin J.g.
Koski Ahti A.
Manton J.e.
Polysar Limited
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