The Boeing Company

University of Southern Mississippi

Commonwealth Scientific and Industrial Research Organisation

Jeffrey S Wiggins

Stephen Christensen

Samuel J Tucker

Andrew S Frazee

Wendy Wenjun Tian

Nguyen Buu Dao

Russell John Varley

Witold K Fuchs

A polymer formed of at least one phenylphosphine oxide functional epoxide crosslinked with at least one phenylphosphine oxide amine such that the polymer has phosphorous concentrations of at least about 8 percent by weight, at least about 8.5 percent by weight, or any value or range of values therebetween.

Phenylphosphine oxide and oxygen stable epoxy polymers and methods of synthesis

The present disclosure relates to epoxide containing compounds comprising three benzene units linked by bridging groups. The disclosure also relates to the production of curable epoxy resin formulations comprising said epoxide containing compounds, and their possible incorporation into composite materials such as fibre reinforced composites. Possible methods for formulating the compounds epoxide containing compounds, as described herein, are also disclosed.

Epoxy resin

Methods and formulations for distortional thermosets are disclosed that display enhanced composite mechanical performances and robust sorption resistance. The composition includes an epoxy resin of formula (I): and a diamine curing agent. The resultant distortional thermoset compositions possess superior out-life requirements and advantageous reaction kinetics for preparing prepreg compositions and materials.

Formulation methodology for distortional thermosets

The invention provides novel methods of synthesizing new monofunctional and/or multifunctional heterocyclic monomer and prepolymer alloys via a continuous solvent-free, or alternatively in-solvent, one-step high shear reactor methodology designed to eliminate the need for post-processing purification and react monomer to predictable conversions, as well as the synthesis of related compositions. Additionally, the invention allows the dispersion of reinforcements and additives while synthesizing heterocyclic monomers and formulating heterocyclic prepolymer alloys.

Continuous high shear reactor melt processing methods to synthesize heterocyclic monomer and prepolymer alloys and compositions thereof

The invention provides novel methods of synthesizing new monofunctional and/or multifunctional heterocyclic monomers and the formulation of new alloys of said monomers from base reactants via a continuous solvent-free, or alternatively in-solvent, one-step high shear reactor methodology designed to reduce the minor isomer formation and to eliminate the need for post-processing purification, as well as the ability to disperse reinforcements and additives while synthesizing such heterocyclic monomers and monomer alloys created and to the synthesis of related compositions.

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Purvis, MS, United States of America

Jeffrey S Wiggins