Epoxide resin compositions and method

Details Epoxide resin compositions and method Epoxide resin compositions and method

C - Chemistry, Metallurgy

08

G

154/141, 402/291

C08G 59/22 (2006.01) C08G 59/06 (2006.01) C08G 59/24 (2006.01) C08G 59/62 (2006.01) C08L 63/00 (2006.01) C09J 7/02 (2006.01) C09J 163/00 (2006.01)

Patent

CA 1336525

A method of improving epoxy resin compositions to provide a cured resin having improved glass transition temperature and toughness characteristics is provided. The method includes providing in an epoxy resin composition an effective amount of a substituted fluorene unit in the composition. The fluorene component acts as a chain extension agent and provides for increased glass transition temperature and less cross-link density. As a result, improved toughness occurs. In preferred applications a toughening agent is provided in the resin composition, to further enhance toughness. Preferred resin compositions, cured resins and methods of providing improved cured resins are also provided.

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