Giving Silicone Rubber Designable Mechanical Properties

In the design of polymer materials such as silicone rubber and silicone gels, precisely regulating the balance between hardness, modulus, and elongation at break is key to technological innovation. IOTA-611 Mono-Terminated Hydrogen Silicone Oil, as a structurally unique active macromolecular monomer, offers a new approach to customizing material properties at the molecular level.

Core Product Advantages

1. Precise Structure, Controllable Reactions

• One end is an inert trimethylsiloxy group, and the other end is a reactive dimethylsiloxy group

• Flexible polysiloxane segments can be introduced into the molecular structure through hydrosilylation reactions

• Precise regulation of crosslinking density and molecular segment length enables directional optimization of material properties

2. Excellent Compatibility, Flexible Applications

• Highly compatible with di-terminal, terminal-side, and side-chain hydrogen-containing silicone oil systems

• Suitable for various silicone systems, including addition-cure silicone rubber and silicone gels

• Can also undergo chemical modification with unsaturated compounds containing C=C or C≡C bonds

3. Customizable Physical Properties to Meet Personalized Needs

• Molecular weight controllable within the range of 850–3000 Da

• Viscosity adjustable according to application requirements (5–40 mPa·s)

• Polydispersity index <1.50, ensuring high structural uniformity

Technical Parameters

Note: Customized production of molecular weight and viscosity is supported based on customer requirements.

Main Application Directions

Performance Regulation of Silicone Rubber and Silicone Gels

• Acts as a hardness modifier to optimize the softness-hardness balance of materials

• Increases elongation at break, enhancing flexibility

• Adjusts modulus to meet different mechanical performance requirements

Synthesis of Functional Silicone Materials

• Introduces polysiloxane segments into vinyl-containing compounds or polymers

• Prepares functional materials with properties such as surface hydrophobicity, heat resistance, and biocompatibility

Modification of High-End Composite Materials

• Improves interfacial compatibility between silicone and other polymers

• Enhances the overall performance and durability of composite materials

Usage Recommendations

1. In addition-cure silicone rubber systems, the recommended dosage is 0.5%–5% (based on the weight of the base rubber)

2. Can be used in combination with hydrogen-containing silicone oils to further optimize performance and processing

3. Small-scale testing is recommended to determine the optimal formulation and process parameters