DIBLOCK COPOLYMER, METHOD FOR PRODUCING DIBLOCK COPOLYMER, AND USE OF DIBLOCK COPOLYMER

Provided are a surface treatment agent for powder capable of being used to produce a dispersion superior in dispersibility, fluidity and temporal stability; and a dispersion containing a powder treated with such surface treatment agent for powder. The agent is a diblock copolymer whose main chain is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HATA, Ryunosuke, IMAI, Taro
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Provided are a surface treatment agent for powder capable of being used to produce a dispersion superior in dispersibility, fluidity and temporal stability; and a dispersion containing a powder treated with such surface treatment agent for powder. The agent is a diblock copolymer whose main chain is comprised of a silicone graft copolymer block represented by a formula [I] and a polar copolymer block represented by a formula [II], wherein one end structure of the main chain is represented by a formula [III], and the other end structure of the main chain is represented by a formula [IV], the formulae [I] to [IV] being expressed aswherein A represents an organopolysiloxane-containing group; B represents a polar group-containing monovalent hydrocarbon group having 1 to 20 carbon atoms, an amino group or a hydroxyl group.