摘要:
There is provided a process for producing a modified diene polymer rubber comprising the steps of: (1) polymerizing a conjugated diene monomer or a combination thereof with an aromatic vinyl monomer in a hydrocarbon solvent, in the presence of an alkali metal catalyst, to form an alkali metal end-carrying active polymer, and (2) reacting the alkali metal end-carrying active polymer with a silane compound defined by a specific formula.
摘要:
A process for producing a modified polymer rubber comprising the steps of: (1) polymerizing a conjugated diene monomer or a combination thereof with an aromatic vinyl monomer in a hydrocarbon solvent, in the presence of an alkali metal catalyst or a specified alkali metal compound, to form an alkali metal end-carrying active polymer, and (2) reacting the alkali metal end-carrying active polymer with a specified isocyanurate compound or a combination thereof with a specified coupling agent in a hydrocarbon solvent.
摘要:
Disclosed are a conjugated diene-based polymer from which a polymer composition excellent in fuel cost-saving properties and elongation at break can be obtained, a polymer composition containing the conjugated diene-based polymer and a reinforcing agent, and a process for producing the conjugated diene-based polymer. There is provided a conjugated diene-based polymer having a conjugated diene unit, a monomer unit based on a compound represented by the following formula (1) and a monomer unit based on a compound represented by the following formula (2). wherein R11 represents a hydrogen atom or a hydrocarbyl group, m is 0 or 1, R12 represents a hydrocarbylene group, and X1, X2 and X3 each independently represent a substituted amino group, or a hydrocarbyl group optionally having a substituent, provided that at least one of X1, X2 and X3 is a substituted amino group. wherein R21 represents a hydrogen atom or a hydrocarbyl group, n is 0 or 1, R22 represents a hydrocarbylene group, and A represents a substituted amino group, or a nitrogen-containing heterocyclic group.
摘要翻译:公开了一种共轭二烯类聚合物,其中可以获得具有优异的燃料成本节约性能和断裂伸长率的聚合物组合物,含有共轭二烯系聚合物和增强剂的聚合物组合物,以及制备共轭二烯系聚合物的方法 二烯基聚合物。 提供具有共轭二烯单元的共轭二烯系聚合物,基于下述式(1)所示的化合物的单体单元和基于下述式(2)表示的化合物的单体单元。 其中R11表示氢原子或烃基,m为0或1,R12表示亚烃基,X1,X2和X3各自独立地表示取代的氨基或任选具有取代基的烃基,条件是至少 X 1,X 2和X 3中的一个是取代的氨基。 其中R21表示氢原子或烃基,n为0或1,R22表示亚烃基,A表示取代氨基或含氮杂环基。
摘要:
A conjugated diene polymer obtained by reacting one end of a conjugated diene polymer having a monomer unit based on a conjugated diene and a monomer unit based on a compound represented by Formula (1) with a compound represented by Formula (2) wherein the content of the monomer unit based on the compound represented by Formula (1) is 0.01 to 20% by weight relative to 100% by weight of the total amount of the monomer unit in the conjugated diene polymer: wherein R11, R12, R21-R25, A, m and n are as defined in the specification.
摘要:
A conjugated diene polymer rubber is provided that includes component (A) and component (B) below, component (A) having a content, with the total amount of component (A) and component (B) as 100% by weight, of from 5% to 90% by weight, and component (B) having a content of from 95% to 10% by weight, Component (A): a conjugated diene polymer rubber component modified with a carbonyl group- and substituted amino group-containing compound Component (B): a conjugated diene polymer rubber component modified with a compound represented by formula (IIa) below (R21O)mSi(R22A)nR234-m-n (IIa) wherein m denotes a number from 1 to 3, n denotes a number from 1 to 3, m+n is from 2 to 4, R21 and R23 denote a hydrocarbyl group, R22 denotes a hydrocarbylene group, A denotes a substituted amino group or an optionally substituted hydrocarbyloxy group, when there are a plurality of R21s the plurality of R21s may be identical to or different from each other, when there are a plurality of R22s the plurality of R22s may be identical to or different from each other, when there are a plurality of R23s the plurality of R23s may be identical to or different from each other, and when there are a plurality of As the plurality of As may be identical to or different from each other.
摘要:
A conjugated diene polymer is provided that includes a conjugated diene-based monomer unit and a monomer unit based on a monomer represented by Formula (1) below, the polymer having at least one terminus modified by a compound represented by Formula (2) below wherein r is 0 or 1, R1 denotes a hydrocarbyl group having 1 to 10 carbon atoms or a group containing at least one atom selected from the atomic group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom, and R2 denotes a group containing at least one atom selected from the atomic group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom wherein n denotes an integer of 1 to 10, R3, R4, and R5 independently denote a hydrocarbyl group having 1 to 10 carbon atoms or a hydrocarbyloxy group having 1 to 10 carbon atoms, at least one of R3, R4, and R5 is a hydrocarbyloxy group, and R6 denotes a group containing at least one atom selected from the atomic group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom.
摘要:
There is provided a continuous method for producing a conjugated diene polymer, comprising: polymerizing a conjugated diene, a compound of formula (I) below, and optionally other monomer in the presence of an alkali metal catalyst in a hydrocarbon solvent, wherein X1, X2, and X3 independently denote a group as defined in the specification.
摘要:
The present invention provides a process for producing a conjugated diene-based polymer comprising adding the following compounds (I) and (II); (I) Organic alkali metal compound; (II) Compound represented by the following formula (I) wherein R11 represents a hydrocarbylene group having 3 to 20 carbon atoms optionally having, as a hetero atom, at least one kind atom selected from an atomic group consisting of a silicon atom, a nitrogen atom and an oxygen atom, as a polymerization initiator component to a solution containing at least one kind monomer component and using a hydrocarbon as a solvent, in an order of the compound (I) and the compound (II), and polymerizing a monomer component comprising a conjugated diene-compound and a silicon-containing vinyl compound.
摘要:
The present invention provides a process for producing a conjugated diene-based polymer comprising polymerizing a monomer component comprising a conjugated diene compound and a silicon-containing vinyl compound using the following compounds (I) and (II), as a polymerization initiator component,(I) an organic alkali metal compound (II) a compound represented by the following formula (I) wherein R11 and R12 represent a hydrocarbyl group having 1 to 20 carbon atoms optionally having a substituent.
摘要:
Disclosed are a conjugated diene-based polymer from which a polymer composition excellent in fuel cost-saving properties and a tensile strength at break can be obtained. There is provided a conjugated diene-based polymer having a monomer unit based on a conjugated diene, a monomer unit based on a compound represented by the following formula (1), and a monomer unit based on a compound represented by the following formula (2), in which at least one end of the polymer is modified with the following compound (G). V1-S1 (1) wherein V1 represents a hydrocarbyl group having a polymerizable carbon-carbon double bond, and S1 represents a substituted silyl group.) V2-A2 (2) wherein V2 represents a hydrocarbyl group having a polymerizable carbon-carbon double bond, and A2 represents a substituted amino group, or a nitrogen-containing heterocyclic group. Compound (G): at least one kind of compound selected from the compound group consisting of a compound having an amino group optionally having a substituent and a carbonyl group, and a compound having an amino group optionally having a substituent and a thiocarbonyl group.