Method of making a high strength, high modulus continous polymer

Details Method of making a high strength, high modulus continous polymer Method of making a high strength, high modulus continous polymer

1995-06-07

2000-06-20

Dixon, Merrick

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563099, 1563046, 427160, C09J 500

Patent

active

060773812

ABSTRACT:
A method of making a protective coating material wherein there is provided a matrix of melted polymeric material transparent to energy of a predetermined type and having a predetermined melting temperature. A fabric of polymeric fibers having a melting temperature higher than the melting temperature of the matrix is placed in the matrix. The fibers are thermoplastic and have a strength of at least about 0.5 GPa (70,000 psi) and an elastic (Young's) modulus of at least about 25 GPa (3.6.times.10.sup.6 psi) and said matrix has an elastic modulus in the range from about 0.2 to about 3.times.10.sup.6 psi. A pressure of from about 1000 to about 2000 psi is applied to the fabric disposed in the matrix and then the temperature is raised to about and at least the melting temperature of the fabric for about the minimum time required to cause consolidation of the fabric and the matrix. The consolidated fabric and matrix are then rapidly cooled to a temperature below the melting temperature of the fabric.

REFERENCES:
patent: 3549569 (1970-12-01), Farah et al.
patent: 4034138 (1977-07-01), Babayan
patent: 5069822 (1991-12-01), Callaghan et al.

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