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Double-Ended Hydroxypropyl Silicone Oil IOTA 2030: A Versatile Reactive Polymer Modifier

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Double-ended hydroxypropyl silicone oil IOTA 2030 is a high-performance organofunctional polysiloxane designed for synthesizing silicone-polyurethane/polyester block copolymers. With reactive primary hydroxyl groups at both termini, it serves as a key intermediate to enhance polymer properties, offering exceptional flexibility, release performance, and temperature resistance.

Key Properties

IOTA 2030 is a colorless to pale yellow transparent liquid with ≥90% active content. Its customizable viscosity (21–80 cst) and hydroxyl content (0.8%–4.5%) allow precise tuning for applications. The table below outlines its specifications:

Product Viscosity (cst) Hydroxyl Content Molecular Weight Refractive Index (25°C)
IOTA 2030-5 21 4.5% 500 1.4192
IOTA 2030-10 27 2.5% 1000 1.4175
IOTA 2030-20 39 1.7% 2000 1.4164
IOTA 2030-30 60 1.1% 3000 1.4117
IOTA 2030-40 80 0.8% 4300 1.4082

Unique Advantages

  1. Low-Temperature Flexibility: Improves polymer elasticity in cold environments.

  2. Processing Fluidity: Enhances flow during manufacturing.

  3. Release & Anti-Stick Properties: Silicone’s auto-migration ensures excellent mold release and anti-graffiti effects.

  4. Thermal Stability: Boosts heat resistance of final products.

  5. Wear Resistance: Extends material lifespan under friction.

Applications

  • Anti-Graffiti Coatings: Forms solvent-based, peelable films when blended (3–30%) with resins; compatible with esters/ketones/alcohols.

  • Polymer Modification: Partially replaces polyols in PU/polyester systems to impart silicone benefits.

  • Release Agents: Effective at 3–20% dosage for silicone rubber, PU molds, and coatings.

Customization

Tailored formulations (viscosity/OH content) are available to meet specific industrial needs.

In summary, IOTA 2030 bridges silicone’s versatility with polyurethane/polyester chemistry, unlocking advanced material performance across coatings, adhesives, and industrial release systems.

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