Poster Title

Development of Novel Thermosetting Resin Systems for Aerospace Applications

Co-Author(s)

Sean Cavanagh

Research Mentor(s)

David Rider

Affiliated Department

Chemistry

Sort Order

11

Start Date

14-5-2015 10:00 AM

End Date

14-5-2015 2:00 PM

Document Type

Event

Abstract

As the aerospace industry moves away from the use of phenolic-based composites, the development of alternative resins for aerospace interior composites has become increasingly important. This research is focused on the development of phenolic replacement materials that both improve the safety of the manufacturing process and decrease environmental impacts, while maintaining fire, smoke, and toxicity characteristics required by the FAA. From these requirements, benzoxazine and bismaleimide (BMI) resins were selected for formulation of novel resin systems. Green solvent systems capable of dissolving benzoxazine were developed using a deep eutectic solvent composed of choline chloride and ethylene glycol. A novel silicon containing polybenzoxazole is being synthesized as a replacement for traditional benzoxazine resin. Four additive flame retardants for BMI resin systems were investigated, with hexachlorocyclotriphosphazene (CCTP) having the best flame retarding characteristics. Replacement of the halogen substituents on CCTP with organic substituents is also being investigated to encourage an even distribution into the BMI matrix, while maintaining CCTP’s flame retarding properties.

Rights

Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this documentation for commercial purposes, or for financial gain, shall not be allowed without the author's written permission.

Language

English

Format

application/pdf

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May 14th, 10:00 AM May 14th, 2:00 PM

Development of Novel Thermosetting Resin Systems for Aerospace Applications

Chemistry

As the aerospace industry moves away from the use of phenolic-based composites, the development of alternative resins for aerospace interior composites has become increasingly important. This research is focused on the development of phenolic replacement materials that both improve the safety of the manufacturing process and decrease environmental impacts, while maintaining fire, smoke, and toxicity characteristics required by the FAA. From these requirements, benzoxazine and bismaleimide (BMI) resins were selected for formulation of novel resin systems. Green solvent systems capable of dissolving benzoxazine were developed using a deep eutectic solvent composed of choline chloride and ethylene glycol. A novel silicon containing polybenzoxazole is being synthesized as a replacement for traditional benzoxazine resin. Four additive flame retardants for BMI resin systems were investigated, with hexachlorocyclotriphosphazene (CCTP) having the best flame retarding characteristics. Replacement of the halogen substituents on CCTP with organic substituents is also being investigated to encourage an even distribution into the BMI matrix, while maintaining CCTP’s flame retarding properties.