METHOD FOR PRODUCING (METH) ACRYLIC RESIN AND (METH) ACRYLIC RESIN

To provide a (meth) acrylic resin having an improved elastic modulus with its haze reduced to a sufficient level, and a method of producing the same.SOLUTION: The present invention relates to a method for producing a (meth) acrylic resin having a glass transition point in a range of 100°C or higher...

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Bibliographische Detailangaben
Hauptverfasser:	IMOTO SHINYA, NISHIMURA HITOKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a (meth) acrylic resin having an improved elastic modulus with its haze reduced to a sufficient level, and a method of producing the same.SOLUTION: The present invention relates to a method for producing a (meth) acrylic resin having a glass transition point in a range of 100°C or higher and 200°C or lower, the method characterized in that a monofunctional (meth) acryl monomer is polymerized in the presence of a silica particle (A) having a particle size dBET of 1-200 nm, calculated from the specific surface area by BET method and including an ethylenic double bond-containing group.SELECTED DRAWING: None 【課題】ヘイズを十分に下げつつ、弾性率が向上した（メタ）アクリル樹脂とその製造方法を提供する。【解決手段】１００℃以上２００℃以下にガラス転移点を有する（メタ）アクリル樹脂の製造方法であり、ＢＥＴ法により比表面積から算出した粒子径ｄBETが１〜２００ｎｍであってエチレン性二重結合含有基を有するシリカ粒子（Ａ）の存在下、単官能（メタ）アクリルモノマーを重合することを特徴とする。【選択図】なし