SILICONE DISPERSANT AND FILLER DISPERSION

To provide a dispersant that can give excellent filler dispersibility in a liquid medium.SOLUTION: The inventive silicone dispersant is an organopolysiloxane, which is a compound of formula (1), having an alkoxy silyl at one end, and with a number average molecular weight (Mn) of 13000 or more. In t...

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Bibliographische Detailangaben
Hauptverfasser:	TANAKA SHUGO, DEYAMA YOSHIHIRO, SUGANO YUTO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a dispersant that can give excellent filler dispersibility in a liquid medium.SOLUTION: The inventive silicone dispersant is an organopolysiloxane, which is a compound of formula (1), having an alkoxy silyl at one end, and with a number average molecular weight (Mn) of 13000 or more. In the formula (1), R1 independently represents a C1-12 monovalent saturated hydrocarbon group, or a C6-12 monovalent aromatic hydrocarbon group, R2 independently represents a C1-12 monovalent saturated hydrocarbon group, X is oxygen or a C2-8 divalent hydrocarbon group, and a is an integer of 1-3.SELECTED DRAWING: None 【課題】液媒体中における優れたフィラー分散性を付与可能な分散剤を提供する。【解決手段】式（１）で表される化合物であり、片末端にアルコキシシリルを有し、かつ数平均分子量（Ｍｎ）が１３０００以上のオルガノポリシロキサンからなる、シリコーン系分散剤とする。TIFF2022075003000008.tif2081式（１）中、Ｒ１は独立して、炭素数１～１２の１価飽和炭化水素基、または炭素数６～１２の１価芳香族炭化水素基であり、Ｒ２は独立して、炭素数１～１２の１価飽和炭化水素基であり、Ｘは、酸素、または炭素数２～８の２価炭化水素基であり、ａは１～３の整数である。【選択図】なし