categories.reactive-silicone-modifiers

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reactive silicone modifiers

Epoxy-Terminated Silicone Oil (Ep-PDMS)

CAS: 102782-97-8

Epoxy-terminated polydimethylsiloxane (Ep-PDMS) carries glycidoxypropyl epoxide groups at both chain ends. The epoxide ring reacts with amines, carboxyls, and hydroxyls under mild heat, enabling covalent bonding to fiber surfaces for wash-durable textile finishing, or integration into epoxy resin networks as a toughening modifier. Epoxy equivalent weight (EEW, 350–3000 g/eq) and viscosity (50–5000 cSt) are the primary selection parameters: lower EEW grades offer higher reactivity for crosslinking; higher EEW grades contribute greater PDMS character and flexibility to composite systems.

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