9,9-ビス(メトキシメチル)-9h-フロレンCAS 182121-12-6 Ziegler-Natta Catalystの内部電子ドナー)

♦簡単な紹介

9,9-ビス(メトキシメチル)-9H-fluorene represents a next-generation internal electron donor

with a unique combination of rigidity, electronic modulation, and process compatibility. It holds

strong potential to replace or complement traditional phthalates and silane-based donors in high-performance

polypropylene catalyst systems, especially where enhanced stereoselectivity and environmental profile

are key considerations.

♦ 応用

Organic Electronics:

Used in the synthesis of conjugated polymers and small molecules for OLEDs, OPVs, and organic semiconductors.

Synthetic Intermediate:

The methoxymethyl groups serve as protecting groups and can be cleaved or substituted, making the compound

a versatile building block in organic synthesis.

Photoresists & Lithography:

Useful in the development of photoactive materials due to the fluorene core’s UV-absorbing properties and thermal

stability.

Ziegler–Natta Catalysts:

9,9-ビス(メトキシメチル)-9H-フルオレン, due to its rigid fluorene core and flexible ether functionalities,

can efficiently coordinate to transition metal centers (typically TiCl₄ on MgCl₂ supports) and modulate

their electron density. This leads to enhanced stereocontrol and narrow molecular weight distributions in the

produced polymer.

Overview as catalyst:

9,9-ビス(メトキシメチル)-9H-fluorene is a specially functionalized fluorene derivative featuring two

メトキシメチル (–CH₂OCH₃) substituents at the 9-position. Its unique molecular structure offers both

steric protection and electron-donating capability, making it a promising internal electron donor (IED)

in Ziegler–Natta (Zn) catalyst systems for the polymerization of propylene.

ジーグラーの役割 - ナッタ触媒:

In traditional Ziegler–Natta systems, internal electron donors are crucial for:

• Controlling stereoselectivity (isotacticity) of the resulting polypropylene.

• Modifying the coordination environment of the titanium active sites.

• Improving catalyst activity, particle morphology, and polymer properties.

9,9-ビス(メトキシメチル)-9H-フルオレン, due to its rigid fluorene core and flexible ether functionalities,

can efficiently coordinate to transition metal centers (typically TiCl₄ on MgCl₂ supports) and modulate their

electron density. This leads to enhanced stereocontrol and narrow molecular weight distributions in the

produced polymer.

Advantages as an Internal Electron Donor:

♦ ストレージ:

室温で保管してください, 直射日光を避けてください

♦ 検査方法

外見: 外観検査

純度分析: ガスクロマトグラフィー (GC)

酸価: 電位差滴定

含水量: 水分計

屈折率: 屈折計

密度: 密度計

性能比較