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    Preparation method for modified starch comb-shaped copolymer

    Neue Suche nach: WEI AIGUO
    Neue Suche nach: CHEN LIN
    Neue Suche nach: GU XU
    Neue Suche nach: WEI AIPING

    The invention discloses a preparation method for a modified starch comb-shaped copolymer. The preparation method comprises: sulfonated starch is prepared, an esterification reaction with maleic anhydride is carried out, esterified starch is prepared, finally, a copolymerization reaction is carried out and a modified starch comb-shaped copolymer product is obtained. The prepared comb-shaped copolymer forms strong steric hindrance on outer surfaces of cement particles, is beneficial for dispersion effects, and has a high water-reducing rate and shrinkage ratio.

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    Preparation method for modified starch comb-shaped copolymer

    Neue Suche nach: WEI AIGUO
    Neue Suche nach: CHEN LIN
    Neue Suche nach: GU XU
    Neue Suche nach: WEI AIPING

    The invention discloses a preparation method for a modified starch comb-shaped copolymer. The preparation method comprises: sulfonated starch is prepared, an esterification reaction with maleic anhydride is carried out, esterified starch is prepared, finally, a copolymerization reaction is carried out and a modified starch comb-shaped copolymer product is obtained. The prepared comb-shaped copolymer forms strong steric hindrance on outer surfaces of cement particles, is beneficial for dispersion effects, and has a high water-reducing rate and shrinkage ratio.

    Zugriff

    Download

    Preparation method for modified starch comb-shaped copolymer

    Neue Suche nach: WEI AIGUO
    Neue Suche nach: CHEN LIN
    Neue Suche nach: GU XU
    Neue Suche nach: WEI AIPING

    The invention discloses a preparation method for a modified starch comb-shaped copolymer. The preparation method comprises: sulfonated starch is prepared, an esterification reaction with maleic anhydride is carried out, esterified starch is prepared, finally, a copolymerization reaction is carried out and a modified starch comb-shaped copolymer product is obtained. The prepared comb-shaped copolymer forms strong steric hindrance on outer surfaces of cement particles, is beneficial for dispersion effects, and has a high water-reducing rate and shrinkage ratio.

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    Titel:

    Preparation method for modified starch comb-shaped copolymer

    Beteiligte:

    WEI AIGUO (Autor:in) / CHEN LIN (Autor:in) / GU XU (Autor:in) / WEI AIPING (Autor:in)

    Erscheinungsdatum:

    27.01.2016

    Medientyp:

    Patent

    Format:

    Elektronische Ressource

    Sprache:

    Englisch

    Klassifikation:

    IPC:  C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C04B Kalk , LIME / C08B POLYSACCHARIDES , Polysaccharide

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