The Boeing Company

Siji Thomas

Binil Kandapallil

Binil Itty Ipe Kandapallil

Dion Paul Coleman

Isbelia Cardona

Semih Sendur

Binil I Kandapallil

Compositions for modifying a degree of cure in a polysulfide sealant are provided. In embodiments, the composition comprises a water-miscible organic solvent; water; and a dithiol. Polysulfide sealant systems comprising the compositions are also provided. Methods for modifying a degree of cure in a polysulfide sealant using the compositions are also provided.

Compositions for use with polysulfide sealants and related methods

Adhesion-regulating agents for enhancing the adhesion values of acrylic adhesives, and methods of using adhesion-regulating agents for treating a removable flooring substrate surface for tuning the adhesion of the flooring substrate surface to objects comprising an acrylic adhesive are disclosed.

Adhesion-regulating agents and methods for tuning adhesion strength of acrylic adhesives by substrate modification

In at least one example, a composition for surface activation of an aerospace vehicle consists essentially of an organic solvent present in an amount from about 95 to about 99.5 volume percent, a transition metal alkoxide present in an amount from about 0.5 to about 5 volume percent, and a water content in an amount from about 0 to about 5 volume percent. In at least one example, a method of sealing a surface of an aerospace vehicle includes applying the composition to a surface of an aerospace vehicle. The composition applied to the surface is dried to form a transition metal oxide from the transition metal alkoxide. Excess of the transition metal oxide is removed from the surface. A sealant is applied over a remaining layer of the transition metal oxide on the surface.

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Summerville, SC, United States of America

Siji Thomas