Epoxy interpenetrating polymer networks having internetwork...

Details Epoxy interpenetrating polymer networks having internetwork... Epoxy interpenetrating polymer networks having internetwork...

C - Chemistry, Metallurgy

08

G

C08G 81/00 (2006.01) C08G 59/22 (2006.01) C08G 59/28 (2006.01) C08G 59/30 (2006.01) C08G 59/50 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2086770

- 24 - ABSTRACT OF THE DISCLOSURE Epoxy interpenetrating polymer networks having ionic or covalent bond between the interpenetrating networks are prepared from a first and a second polymer network, at least one of which contains an EPRXE resin, a resin having two epoxide functionalities represented by E and a reactive pendant nonepoxide functionality X. The two resin networks are sequentially crosslinked followed by activation of the pendant functionality of the EPRXE resin to form internetwork links between the two resin networks affording an epoxy resin with both increased strength and toughness. The invention is also directed to the process of making EPRXE resins where the pendant functionalities are primary, secondary, or tertiary amines, protected amino, and protected carboxyl groups.

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