Modified Conjugated Diene-Based Polymer and Rubber Composition Including the Same
AssigneeLG Chem, Ltd.
InventorsMin Sik Mun, Ro Mi Lee, Hyun Jun Kim, No Ma Kim
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Abstract
A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, a modified conjugated diene-based polymer satisfying the conditions of i) a mooney viscosity from 75 to less than 100, measured in accordance with ASTM D1646 at 110° C., ii) a mooney stress relaxation ratio 0.4 or less, measured at 110° C., iii) a weight average molecular weight (Mw) of 750,000 g/mol or more, and iv) a molecular weight distribution from 1.0 to 2.0, wherein the molecular weight distribution is a ratio of Mw to the number average molecular weight (Mn).
Claims11
A modified conjugated diene-based polymer satisfying the following conditions of i) to iv):
- i) a mooney viscosity from 75 to less than 100, wherein the mooney viscosity measured in accordance with ASTM D1646 at 110° C.,
- ii) a mooney stress relaxation ratio of 0.4 or less, wherein the mooney stress relaxation ratio is measured at 110° C.,
- iii) a weight average molecular weight (Mw) of 750,000 g/mol or more;
- and
- iv) a molecular weight distribution (MWD) from 1.0 to 2.0, wherein the MWD is a ratio of Mw to the number average molecular weight (Mn).
Dependencies are inferred from the claim text.