NOVEL BLOCK COPOLYMER COMPOSITIONS
The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the co...
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Main Authors | , , , , , |
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Format | Patent |
Language | English French |
Published |
13.11.2008
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block, and (b) tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition. Also included are processes for the manufacturing such novel compositions and various end-uses and applications for such compositions.
L'invention concerne de nouvelles compositions qui renferment: (a) des copolymères blocs anioniques d'arènes de monoalcényle et de diènes conjugués parmis lesquels un bloc constitue un copolymère à distribution maîtrisée de diène conjugué et d'arène de monoalcényle où les monomères obéissent à une disposition spécifique dans le bloc de copolymère, et (b) des modificateurs de ramollissement adaptés présentant une structure particulière qui conduit à une amélioration étonnante des propriétés de la composition. Par ailleurs, l'invention concerne des procédés permettant la fabrication de ces nouvelles compositions ainsi que diverses applications et utilisations finales correspondantes. |
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Bibliography: | Application Number: WO2007US06665 |