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Fascinating Silicone™ Chemistry Corner - Silicone Polymer Structures

Five basic silicone polymer structures

By changing the structure of a silicone polymer, many different forms of silicone materials can be produced. 

Linear Polymers – Volatile and Nonvolatile Fluids (Dimethicone)

Linear polymer structure

Ring Polymers – Volatile Fluids (Cyclomethicone)

Ring polymer structure

Branched Polymers

Branched polymer structure

Because the ends of the branches offer additional opportunities to connect with other polymers, branched polysiloxanes are often used as crosslinkers or curing agents. Learn more about silicone cure chemistry.

Crosslinked Polymers (Gels, elastomers, sealants, rubber)

Crosslinked polymer structure

Resins (Structures that cure to create three-dimensional films)

Resin structure

Polymer structure is only one of the ways silicone materials are tailored to meet the needs of different industries, processes, and commercial applications. Learn more about silicone property and performance modification.


Did you know ... adding phenyl groups to a polydimethylsiloxane resin gives it all the benefits of a classic silicone plus greater toughness and thermal stability! Learn more about the features and benefits
of organically modified silicones.

Did you know ... in the United States, volatile methylsiloxane fluids are exempt from volatile organic compound (VOC) regulations and can be used in place of regulated solvents to make formulations safer for people and the environment!

Expand your understanding

Learn about:
The silicone molecule
Silicone building blocks & nomenclature
Other members of the silicon materials family
Silicone property & performance modification

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