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In the field of silicone modification, the ability to controllably introduce polysiloxane segments into organic compounds or polymer molecules is key to improving surface properties, flexibility, and compatibility. IOTA-611 Single-End Hydride Silicone Oil, as a macromonomer with a reactive Si-H group at one end, can undergo hydrosilylation with compounds or polymers containing C=C double bonds or C≡C triple bonds. This precisely introduces inert polysiloxane chains into the end-groups or side chains of target molecules, providing an efficient tool for molecular design and functional modification.
IOTA-611 is a macromonomer with an inert trimethylsiloxy group at one end and a reactive dimethylsiloxy-terminated structure at the other. It can undergo hydrosilylation reactions with compounds or polymers containing Si-CH=CH₂ bonds, introducing inert polysiloxane chains into the end-groups or side chains of target molecules.
| Feature | Description |
|---|---|
| Precise Molecular Design | Single-end Si-H reactive group – precise control over attachment position of polysiloxane chains (end-group or side chain) |
| High Reaction Selectivity | Mild hydrosilylation conditions – high conversion, few side reactions |
| Inert Chain Introduction | Introduced polysiloxane segments provide low surface energy, high flexibility, and hydrophobicity |
| Customizable Molecular Weight | Adjustable within 850–3000 Da – meets different modification needs |
| High Purity, Low Impurities | Free chloride ion <20 ppm, PDI <1.50 – ensures reaction controllability |
| Parameter | Value |
|---|---|
| Appearance | Colorless to light yellow transparent liquid |
| Molecular Weight (Da) | 850 – 3000 |
| Polydispersity Index (PDI) | < 1.50 |
| Viscosity (25°C, mPa·s) | 5–40 |
| Free Chloride Ion Content (ppm) | < 20 |
| Application Area | Specific Use | Core Value |
|---|---|---|
| Silicone Modification of Organic Polymers | Introducing polysiloxane chains into acrylates, polyurethanes, polyesters, etc. | Improves surface hydrophobicity, flexibility, and weatherability |
| Hydrosilylation of C=C/C≡C-Containing Compounds | End-group/side-chain silylation modification of compounds containing double or triple bonds | Imparts polysiloxane characteristics (low surface energy, lubricity, etc.) to target molecules |
| Macromonomer Synthesis | Functional monomer for block copolymers and graft copolymers | Constructs organic-silicone hybrid structures |
| Surface Modifier Development | Preparation of modifiers with specific interfacial properties | For coatings, release, anti-stick, and other applications |
IOTA-611 fills a gap in the molecular design toolbox for "single-end hydride silicone oils." Unlike double-end hydride oils (crosslinking/chain extension) or pendant hydride oils (multi-branch modification), IOTA-611 offers a clean, controllable way to "graft" an inert polysiloxane tail onto the end or side chain of a target molecule, enabling precise tuning of surface properties, flexibility, and compatibility.
IOTA-611 – Precise hydrosilylation, empowering molecular design and polymer modification with the wisdom of silicone.
