Patent ID: 6077381
Filing Date: 2000-06-20
Classification: B29C,B29K,B29L,B32B,Y10S,Y10T

Abstract:
A method of making an infrared transmissive protective coating material, comprising the steps of:(a) providing an infrared energy transmissive matrix of melted polymeric material having a predetermined melting temperature;(b) placing a fabric of polymeric fibers having a melting temperature higher than the melting temperature of said matrix in said matrix;(c) applying a pressure of from about 1000 to about 2000 psi to said fabric disposed in said matrix and then raising the temperature to about and at least the melting temperature of said fabric for at least the minimum time required to cause consolidation of said fabric and said matrix; and(d) cooling said consolidated fabric and matrix to a temperature below the melting temperature of said fabric with sufficient rapidity to maintain the orientation of long molecule chains present in said consolidated fabric.