MODIFIED POLYMER BASED ON CONJUGED DIENE AND RUBBER COMPOSITION INCLUDING IT Russian patent published in 2024 - IPC C08F236/04 C08F36/04 C08F136/04 C08F236/10 C08C19/22 C08C19/25 C08C19/44 C08K3/04 C08K3/36 

Abstract RU 2814665 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a modified conjugated diene polymer, as well as a rubber composition containing the said polymer. The modified conjugated diene polymer contains a repeating unit derived from a conjugated diene monomer, a unit derived from a macromonomer, and a functional group derived from an aminoalkoxysilane modifier. The aminoalkoxysilane modifier is one or more modifiers selected from the compounds represented by the formulas:

, and .

The degree of change in molecular weight distribution is 10% or less.

EFFECT: modified conjugated diene polymer has excellent storage stability and excellent processability, as well as tensile strength and viscoelastic properties.

9 cl, 3 tbl, 5 ex

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RU 2 814 665 C1

Authors

Lee Hyoung Woo

Lee Ro Mi

Kim Yu Jin

Dates

2024-03-04Published

2020-09-11Filed