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Quality MONOCARBINOL TERMINATED POLYDIMETHYLSILOXANE ASYMMETRIC(SOD-Q203) factory
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Quality MONOCARBINOL TERMINATED POLYDIMETHYLSILOXANE ASYMMETRIC(SOD-Q203) factory
Quality MONOCARBINOL TERMINATED POLYDIMETHYLSILOXANE ASYMMETRIC(SOD-Q203) factory
>

MONOCARBINOL TERMINATED POLYDIMETHYLSILOXANE ASYMMETRIC(SOD-Q203)

Specifications
Highlight:

Low stress silicone fluid

,

Interface Compatibility silicone fluid

,

Monocarbinol Terminated Polydimethylsiloxane

Appearance:
Transparent Viscous Liquid
Custom-formulated:
Custom Tailored Per Customer Specifications
Key Attributes
Brand Name: SISO
Model Number: SOD-Q203
Place of Origin: China
Payment Terms: T/T
Product Description

1. Asymmetric Single-ended Reactive Modification Precursor

This product is a high-performance asymmetric functional polydimethylsiloxane with single carbinol active terminal group and opposite inert silicone terminal. Different from traditional double-ended hydroxyl silicone, it features unilateral controllable reaction activity and no cross-linking saturation limitation. It can perform selective grafting and chain extension reaction with isocyanate, anhydride and carboxyl groups, serving as a precise modification monomer for synthesizing high-uniformity silicone-modified polyurethane and polyester materials.

2. Low-stress Micro-toughening Agent for Polymer Systems

The flexible PDMS main chain provides excellent molecular flexibility and low-temperature ductility. The single-ended reactive structure avoids dense cross-linking network formation and internal stress accumulation existing in symmetric bifunctional modifiers. It achieves uniform micro-toughening effect in polymer matrices, effectively improving the brittleness, low-temperature cracking and fatigue resistance of cured materials without reducing matrix rigidity and surface hardness.

3. High-uniformity Low-surface-energy Coating Modifier 

The inert PDMS segment has ultra-low surface energy and excellent hydrophobic and antifouling performance. Through single-point fixed grafting, the silicone molecular chain is stably anchored in the resin system and regularly migrates to the coating surface, forming a uniform and smooth low-surface-energy protective film. It endows coatings with durable waterproof, antifouling and self-cleaning properties, and effectively solves coating warpage, shrinkage and poor flexibility caused by excessive cross-linking.

4. Interface Compatibility Optimizer for Composite Materials 

The active carbinol terminal group can form stable chemical bonding with polar resin matrices, while the inert silicone segment improves surface lubricity and medium barrier performance. This asymmetric ordered structure eliminates interfacial micro-defects and phase separation problems caused by disordered cross-linking, significantly enhancing the interfacial bonding strength, dispersion uniformity and long-term structural stability of composite materials.
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