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    MULTI-BRANCHED POLYALKYLENE GLYCOL-BASED BLOCK COPOLYMER

    New search for: TAKAYAMA TAKESHI

    PROBLEM TO BE SOLVED: To provide a block polymer suitable for industrial production, which can exert performance such as water-reducing properties and working properties at high levels in a cement composition or the like and has a simple molecular structure.SOLUTION: There is provided a multi-branched polyalkylene glycol-based block copolymer containing a polymer chain (A) composed of unsaturated anionic monomer units and a polymer chain (B) composed of (poly)alkylene glycol-based structural units, where the copolymer has three or more branched sites having the polymer chain (B), a part of the branched sites has a structure in which the polymer chain (A) is bonded to the terminal site of the polymer chain (B) via binding sites (X) and at least one of the binding sites (X) is a non-ester bond.

    【課題】セメント組成物等における減水性や作業性等の性能を高いレベルで発揮することができ、分子構造がシンプルであり、工業的な製造に適する共重合体を提供する。【解決手段】不飽和アニオン系単量体単位による高分子鎖(Ａ)と（ポリ）アルキレングリコール系構成単位による高分子鎖(Ｂ)とを有する多分岐ポリアルキレングリコール系ブロック共重合体であって、該共重合体は、該高分子鎖（Ｂ）を有する枝状部を３つ以上含み、該枝状部のうちの一部は、該高分子鎖（Ｂ）の末端部位に結合部位（Ｘ）を介して該高分子鎖(Ａ)が結合した構造を有し、該結合部位（Ｘ）は、少なくとも１つが非エステル結合であることを特徴とする多分岐ポリアルキレングリコール系ブロック共重合体。【選択図】なし

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    MULTI-BRANCHED POLYALKYLENE GLYCOL-BASED BLOCK COPOLYMER

    New search for: TAKAYAMA TAKESHI

    PROBLEM TO BE SOLVED: To provide a block polymer suitable for industrial production, which can exert performance such as water-reducing properties and working properties at high levels in a cement composition or the like and has a simple molecular structure.SOLUTION: There is provided a multi-branched polyalkylene glycol-based block copolymer containing a polymer chain (A) composed of unsaturated anionic monomer units and a polymer chain (B) composed of (poly)alkylene glycol-based structural units, where the copolymer has three or more branched sites having the polymer chain (B), a part of the branched sites has a structure in which the polymer chain (A) is bonded to the terminal site of the polymer chain (B) via binding sites (X) and at least one of the binding sites (X) is a non-ester bond.

    【課題】セメント組成物等における減水性や作業性等の性能を高いレベルで発揮することができ、分子構造がシンプルであり、工業的な製造に適する共重合体を提供する。【解決手段】不飽和アニオン系単量体単位による高分子鎖(Ａ)と（ポリ）アルキレングリコール系構成単位による高分子鎖(Ｂ)とを有する多分岐ポリアルキレングリコール系ブロック共重合体であって、該共重合体は、該高分子鎖（Ｂ）を有する枝状部を３つ以上含み、該枝状部のうちの一部は、該高分子鎖（Ｂ）の末端部位に結合部位（Ｘ）を介して該高分子鎖(Ａ)が結合した構造を有し、該結合部位（Ｘ）は、少なくとも１つが非エステル結合であることを特徴とする多分岐ポリアルキレングリコール系ブロック共重合体。【選択図】なし

    Access

    Download

    MULTI-BRANCHED POLYALKYLENE GLYCOL-BASED BLOCK COPOLYMER

    New search for: TAKAYAMA TAKESHI

    PROBLEM TO BE SOLVED: To provide a block polymer suitable for industrial production, which can exert performance such as water-reducing properties and working properties at high levels in a cement composition or the like and has a simple molecular structure.SOLUTION: There is provided a multi-branched polyalkylene glycol-based block copolymer containing a polymer chain (A) composed of unsaturated anionic monomer units and a polymer chain (B) composed of (poly)alkylene glycol-based structural units, where the copolymer has three or more branched sites having the polymer chain (B), a part of the branched sites has a structure in which the polymer chain (A) is bonded to the terminal site of the polymer chain (B) via binding sites (X) and at least one of the binding sites (X) is a non-ester bond.

    【課題】セメント組成物等における減水性や作業性等の性能を高いレベルで発揮することができ、分子構造がシンプルであり、工業的な製造に適する共重合体を提供する。【解決手段】不飽和アニオン系単量体単位による高分子鎖(Ａ)と（ポリ）アルキレングリコール系構成単位による高分子鎖(Ｂ)とを有する多分岐ポリアルキレングリコール系ブロック共重合体であって、該共重合体は、該高分子鎖（Ｂ）を有する枝状部を３つ以上含み、該枝状部のうちの一部は、該高分子鎖（Ｂ）の末端部位に結合部位（Ｘ）を介して該高分子鎖(Ａ)が結合した構造を有し、該結合部位（Ｘ）は、少なくとも１つが非エステル結合であることを特徴とする多分岐ポリアルキレングリコール系ブロック共重合体。【選択図】なし

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    Access

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    Document information
    Title:

    MULTI-BRANCHED POLYALKYLENE GLYCOL-BASED BLOCK COPOLYMER

    Additional title:

    多分岐ポリアルキレングリコール系ブロック共重合体

    Contributors:

    TAKAYAMA TAKESHI (author)

    Publication date:

    2015-07-16

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    Japanese

    Classification:

    IPC:  C04B Kalk , LIME / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind

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