Method of making a fiber reinforced heat recoverable object

Details Method of making a fiber reinforced heat recoverable object Method of making a fiber reinforced heat recoverable object

1992-05-26

1993-11-30

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

156 84, 156 85, 264230, 2642884, 264342R, 264342RE, 428230, 428255, 428257, 428258, 428259, D03D 1300

Patent

active

052663930

ABSTRACT:
A heat recoverable, shrink-object is made from a mesh or web assembly having thermoplastic threads that extend in a first direction, and second threads that are essentially non-stretchable and run transversely to the first threads, that assembly is embedded in a polymer matrix which is then crosslinked; the thermoplastic threads do not crosslink; the matrix with embedded mesh or web is then heated to a temperature above the crystallite melting point of the polymer matrix and the thermoplastic threads are stretched into an elongated state at that temperature, and the stretching is maintained during subsequent cooling until a lower temperature including room temperature is reached and stretching is no longer needed to maintain said elongated state.

REFERENCES:
patent: 5141812 (1992-08-01), Marx et al.

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