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SILANIL® 289 has functionalities such as adhesion promoter and coupling agent.

Chemical Family: Silanes

Functions: Adhesion Promoter, Coupling Agent, Crosslinking Agent

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Identification & Functionality

Chemical Family
Molecular formula
CH3(CH3CH2O)2Si-(CH2)3OCH2-C2H3O
CAS No.
2897-60-1
EC No.
220-780-8
Technologies
Basic Functions

SILANIL® 289 - Basic Functions

Features & Benefits

Key Benefits of Crosslinker
  • Create network structure in Polymers.
  • Increase strength and hardness.
  • Provide longer service life of products.
  • Give higher temperature resistance.
  • Enhance ability of scrub resistance.
Key Benefits of Coupling Agent
  • Improve adhesion between resins and substrates.
  • Enhance corrosion resistance.
  • Provide compatibility between resins and fillers.
  • Increase mechanical strengths of composites.
  • Provide higher filler loading for composites.

Applications & Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Puritymin. 97%
Refractive Index1423.0
Flash Point 128.0°C
Boiling Point (5 mmHg)122.0°C

Storage & Handling

Recommendation for Storage and Handling

N2 gas is required to purge into a container to get rid of moisture before and after filling silane liquid. In case of sample packing without N2 gas, the minimum air space in a sample container is recommended. Inner and outer caps must be tightly closed. More air space left in the container may cause self-crosslinking of silanes. Equipment should be cleaned with ethanol or methylated spirits and dried completely before use. Stainless steel, glass, and Teflon® are recommended for contact with silanes. Some silanes such as Silanil® 250 are recommended to keep in an amber container to avoid the sun light.