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Polymerization of liquid polymer matrix in free-space environment

The problem of a lengthy stay in space is compounded by the size and mass of space construction, and its delivery from Earth surface to Earth orbit. The space construction sent to Earth orbit is limited by the launch vehicle. The problem of making large-size constructions can be solved by curing of fiber-filled composites with polymer matrix in free space under high vacuum, cosmic rays, atomic oxygen flux, microgravity, meteorite flux and temperature variation. The fabric impregnated with a long-life matrix (prepreg) is prepared in terrestrial conditions, folded, and sent into free space. After unfolding a curing reaction of polymerization is initiated. After polymerization, ...

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