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Martin Simmons, Dana Blair, Steve Mortimer: Structured thermoplastic in composite interleaves. Hexcel Composites, W Mark Bielawski, David J Oldenkamp, January 16, 2018: US09868265

One or more layers of structured thermoplastic polymer, such as a light weight veil of thermoplastic polymer fibers, are located within the interleaf zone of laminates that are composed of fibrous layers and thermosetting resin. The thermoplastic veils are used in the interleaf zones as a replacemen ...


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Steve Mortimer: Composite materials. Hexcel Composites, W Mark Bielawski, David J Oldenkamp, November 10, 2015: US09181407

A process for the manufacture of a cured composite material, the process comprising the steps of blending together a liquid curable resin and a curing agent having a melting point greater than 100° C. to form a liquid blend of curable resin and curing agent, at least partially impregnating a structu ...


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Steve Mortimer, Emille Legoff, Bertrand Germain, Clement Casaliggi, Sarah Lasfargues: Sandwich panels. Hexcel Composites, Hexcel Composites S, W Mark Bielawski, David J Oldenkamp, April 19, 2016: US09314992

A structural panel comprising an internal core material having first and second opposing faces, first and second face sheets bonded to the first and second opposing faces respectively, wherein the panel comprises an open-structured sheet, interposed between a first face of the core material and its ...


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Steve Mortimer, Neal Patel, John Cawse: Curing agents. Hexcel Composites, W Mark Bielawski, David J Oldenkamp, March 24, 2015: US08986825

The invention relates to a resin curing agent having the formula (I), wherein R1 to R4 are each individually selected from linear or branched C1 to C5 alkyl, a process for its manufacture, blends of the reaction products, and two-component curable resin systems.


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MARTIN SIMMONS , SCOTT THOMPSON , STEVE MORTIMER : [en] Resin Composition. HEXCEL COMPOSITES  , July 6, 2016: GB2533776-A

[en] A resin composition for producing a composite, wherein the composition comprises 5-50 wt% of a first resin component comprising a glycidyl bisphenol Z epoxy resin, and 2-50 wt% of a curing agent, such as diaminodiphenyl sulphone (4,4-DDS). The composition comprises an additional resin selected ...


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Neal Patel, Steve Mortimer: Moulding processes. Hexcel Composites, March 3, 2011: US20110049426-A1

Use of a resin system for making a composite material in a liquid moulding process. The resin system comprises an epoxy component and at least one curing agent, and at least 35 wt. % of the epoxy component is one or more naphthalene based epoxy resin. There is also provided a cured composite materia ...


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Steve Mortimer, Neal Patel, John Cawse: Novel curing agents. Hexcel Composites, December 13, 2012: US20120316262-A1

The invention relates to a resin curing agent having the formula (I), wherein R1 to R4 are each individually selected from linear or branched C1 to C5 alkyl, a process for its manufacture, blends of the reaction products, and two-component curable resin systems.


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Steve Mortimer, Emille Legoff, Bertrand Germain, Clement Casaliggi, Sarah Lasfargues: Sandwich panels. Hexcel Composites Sas, Hexcel Composites, November 29, 2012: US20120301665-A1

A structural panel comprising an internal core material having first and second opposing faces, first and second face sheets bonded to the first and second opposing faces respectively, wherein the panel comprises an open-structured sheet, interposed between a first face of the core material and its ...


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Martin Simmons, Dana Blair, Steve Mortimer: Structured thermoplastic in composite interleaves. Hexcel Composites, December 1, 2011: US20110294387-A1

One or more layers of structured thermoplastic polymer, such as a light weight veil of thermoplastic polymer fibers, are located within the interleaf zone of laminates that are composed of fibrous layers and thermosetting resin. The thermoplastic veils are used in the interleaf zones as a replacemen ...