Abstract: The present invention relates to a modified conjugated diene-based polymer, a method for preparing the same and a rubber composition including the same, and relates to a modified conjugated diene-based polymer which is prepared by continuous polymerization and has excellent processability, a mooney large relaxation area of 300 MU-s to 1000 MU-s, and narrow molecular weight distribution, and if compounded into a rubber composition, shows improved tensile properties and viscoelasticity properties, particularly, a tan ? value at a high temperature (60° C.) among viscoelasticity properties, and excellent low hysteresis properties and fuel consumption properties, and a rubber composition including the same.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount from 15 wt % to less than 30 wt %, and a rubber composition including the same.

Abstract: The present invention relates to a method for preparing a modification initiator, the method capable of reducing side reactions to the minimum and obtaining the modification initiator with a high conversion rate, and an apparatus for performing the same, wherein the method includes (S1) reacting a first fluid including a modification functional group-containing compound and a conjugated diene-based monomer and a second fluid including a polymerization initiation functional group-containing compound, and (S2) obtaining a third fluid including a modification initiator prepared by the reaction of Step S1, wherein the modification functional group-containing compound is used in a ratio of greater than 1 mole based on 1 mole of the polymerization initiation functional group-containing compound, the conjugated diene-based monomer is used in a ratio of 1 mole to 4 moles based on 1 mole of the modification functional group-containing compound, and Step S1 and Step S2 are continuously performed.

Abstract: The present invention provides a modifier, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer, and more particularly, a modifier which includes a compound represented by Formula 1 and is capable of improving the mixing properties between a conjugated diene-based polymer and a filler, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and a rubber composition including the same.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of greater than 0 wt % and less than 15 wt %, and a rubber composition including the same.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of greater than 0 wt % and less than 15 wt %, and a rubber composition including the same.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of 30 wt % or more, and a rubber composition including the same.

Abstract: The present invention relates to a method for measuring a polymer modification ratio, and more particularly, to a method for measuring a polymer modification ratio, which includes preparing a first solution by dissolving a polymer mixture containing a modified polymer and an unmodified polymer in a first solvent, injecting the first solution into a column filled with an adsorbent, adsorbing the modified polymer onto the adsorbent, and eluting the first solution in which the unmodified polymer is dissolved, transferring the eluted first solution to a detector, injecting a second solvent into the column to elute the second solution in which the adsorbed modified polymer is dissolved, and transferring the eluted second solution to the detector.

Abstract: A modified conjugated diene-based polymer is provided, having remarkable processability and excellent tensile strength and viscoelasticity properties, and a rubber composition including the same is also provided. The modified conjugated diene-based polymer has a unimodal shape molecular weight distribution curve by gel permeation chromatography, narrow molecular weight distribution and a Mooney stress-relaxation ratio of 0.7 or more, and includes a functional group derived from a modifier represented by Formula 1, and thus has remarkable processability and excellent tensile properties and viscoelasticity properties.

Abstract: The present invention relates to a modified conjugated diene-based polymer containing a functional group derived from a tertiary amine compound represented by Formula 1, a method of preparing the same, and a tertiary amine compound represented by Formula 1.

Abstract: The present invention relates to a modified conjugated diene-based polymer, and more particularly, provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer and includes at one terminal, a functional group derived from a modifier which includes a compound represented by Formula 1, and a method for preparing the same.

Abstract: The present invention provides a modifier, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer, and more particularly, a modifier which includes a compound represented by Formula 1 and is capable of improving the mixing properties between a conjugated diene-based polymer and a filler, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of 30 wt % or more, and a rubber composition including the same.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount from 15 wt % to less than 30 wt %, and a rubber composition including the same.

Abstract: The present invention relates to a modified conjugated diene-based polymer containing a functional group derived from a tertiary amine compound represented by Formula 1, a method of preparing the same, and a tertiary amine compound represented by Formula 1.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and a rubber composition including the same.

Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of greater than 0 wt % and less than 15 wt %, and a rubber composition including the same.

Abstract: Disclosed are a method for continuously preparing a modified conjugated diene polymer, a polymer obtained by the method and a rubber composition comprising the same. Advantageously, provided is a method for continuously preparing a modified conjugated diene polymer which has a high molecular weight and exhibits superior processability due to control of molecular weight distribution (polydispersity).

Abstract: The present invention relates to a modified conjugated diene-based polymer, and more particularly, provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer and includes at one terminal, a functional group derived from a modifier which includes a compound represented by Formula 1, and a method for preparing the same.