C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
46/119, 400/3063
C08L 53/02 (2006.01)
Patent
CA 1132283
HIGH OIL-ELASTOMER COMPOSTIONS Abstract of the Disclosure A highly oil-extended conjugated diene/vinyl aromatic radial teleblock copolymer composition, methods for preparing the composition, and molded objects produced therefrom. The composition is prepared by ad- mixing a conjugated diene/vinyl aromatic radial teleblock copolymer and a hydrocarbon oil and elevating the temperature to about 120°C to about 205°C until a homogenized blend is produced. In preferred embodiments the composition is prepared by stirring together the copolymer and hydro- carbon oil at an elevated temperature of about 175°C to about 205°C or by heating a mixture of copolymer and oil in an oven without stirring at about 125°C to about 165°C. In embodiments of the invention shaped objects produced from a highly oil-extended conjugated diene/vinyl aromatic radial teleblock copolymer composition include objects in the conformation of a worm particularly suitable as a fishing lure, molded objects that do not rebound when thrown against a vertical surface, shock- and energy- absorbing products, decorative objects, toys, and games.
323187
Burwell Fred J.
Harper Bobby R.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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