C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 297/04 (2006.01) C08L 53/02 (2006.01) C09D 5/00 (2006.01)
Patent
CA 2575574
The inventive composition includes a block copolymer which includes four blocks and has the following block arrangement: B-S-B-S. The two polymer blocks B comprise conjugated diene monomer constitutional units; and the two polymer blocks S comprise vinyl aromatic hydrocarbon monomer constitutional units. The invention also includes methods of making such inventive compositions as well as asphalt compositions and/or thermoplastic elastomers which include such block copolymer.
L'invention porte sur une composition incluant un copolymère bloc à quatre blocs présentant l'arrangement B-S-B-S. Les deux polymères blocs B comprennent des unités constitutionnelles de diènes monomères conjugues, et les deux polymères blocs S comprennent des unités constitutionnelles de monomères hydrocarbonés vinyliques aromatiques. L'invention porte également sur des procédés d'obtention de telles compositions ainsi que des compositions d'asphalte et/ou d'élastomères thermoplastiques dont lesdits copolymères blocs.
Boerner Peter
Graves Daniel
Hall James
Iceman Brent
Firestone Polymers Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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