C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4043, 400/51
C08L 11/00 (2006.01)
Patent
CA 1134093
ABSTRACT OF THE DISCLOSURE Addition of certain petroleum-based hydrocar- bon resins, containing both olefinic unsaturation and aromatic unsaturation, to uncured stocks increases the resistance to ozone deterioration of vulcanized neoprene elastomers and of neoprene elastomer blends with other diene polymers. These resins have a practical advan- tage over most equally effective rubber antiozonants in that they produce non-staining vulcanizates.
320979
Chen Mark C.
Kelly Douglas J.
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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