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CAS 58130-04-4

CYS-3701E Carboxy-Modified Silicone Fluid

CYS-3701E is a high-performance silicone fluid with carboxyl groups (-COOH) on a PDMS backbone. It offers strong reactivity, good adhesion, and resin compatibility, and is used in coatings, lubricants, mold release agents, and resin modification.

Product Introduction:

CYS-3701E is a high-performance carboxy-functional silicone fluid developed. It features carboxyl groups (-COOH) grafted onto a polydimethylsiloxane (PDMS) backbone, enhancing its chemical reactivity, substrate adhesion, and resin compatibility. It is commonly used in advanced coatings, lubricants, mold release formulations, and resin modification.

Technical Specifications

PropertyTypical Value
Product NameCYS-3701E Carboxy-Modified Silicone Fluid
CAS NumberNot publicly listed
Chemical StructureCarboxy-modified Polydimethylsiloxane (PDMS)
AppearanceClear, colorless liquid
Viscosity at 25°C~2,000 mm²/s (cSt)
Specific Gravity at 25°C0.98
Refractive Index at 25°C1.409
Carboxy Group Equivalent Weight~4,000 g/mol
Flash Point> 200°C
SolubilitySoluble in organic solvents
StabilityExcellent thermal and chemical stability

Key Benefits & Performance Features

  • Reactive Carboxyl Termination: Enables chemical bonding with substrates, improving adhesion and crosslinking.

  • Excellent Lubricity: Low surface energy and high slip properties make it ideal for high-performance silicone lubricants.

  • Superior Release Properties: Suitable for mold release agents in thermoplastics and rubber molding.

  • Enhanced Resin Compatibility: Compatible with alkyd resins, polyesters, and other organic polymers.

  • High Thermal Stability: Withstands elevated temperatures without degradation.

  • Improved Substrate Wetting: Enhances flow, leveling, and spreadability in coatings and films.

Common Applications

CYS-3701E Silicone Fluid is widely used across industries for its multifunctional performance:

  • Industrial & Automotive Coatings – Improves leveling, wetting, and durability.

  • Resin Modifier – Enhances compatibility with polyester and alkyd resins.

  • Silicone-Based Lubricants – Used in precision mechanical components and high-temperature environments.

  • Mold Release Agents – Ideal for injection molding and rubber processing.

  • Personal Care Products (Limited Use) – As a reactive additive in specialized formulations.

Packaging Options:

We offer flexible packaging for both R&D and bulk industrial use:

  •  1 kg & 5 kg HDPE bottles (sample/lab-scale)

  •  25 kg pails & 200 kg drums (industrial production)

  •  1000 kg IBC totes available on request

  •  Custom viscosity grades and formulations available under Silico® brand lines

All technical data provided is based on current knowledge and experience. Users must test product suitability for intended applications.
No warranties are expressed or implied. Silico® assumes no liability for incidental or consequential damages.

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