Coated porous structures and method for forming them
Abstract
Abstract POROUS STRUCTURES SUCH AS CELLULAR HONEYCOMBS AND RETICULATED FOAMS COATED WITH ORGANIC RESINS OF THE THERMOPLASTIC OR THERMOSETTING TYPE, AND STRUCTURES IN WHICH THE INTERNAL MATERIAL COMPRISING THE STRUCTURE BEING COATED IS REMOVED AS BY LEACHING OR HYDROLYSIS TO LEAVE ONLY THE COATING MATERIAL AS AN INTEGRAL STRUCTURE. PROCESSES FOR FORMING THE ABOVE STRUCTURES IN WHICH THE SURFACE OF THE POROUS STRUCTURE IS TREATED TO TEMPORARILY ATTACH A COATING MATERIAL IN THE FORM OF POWDER, AS BY WETTING THE SURFACE WITH A LIQUID OR AN AHDESIVE AND DUSTING THE SURFACE WITH THE POWDER, HEATED TO MELT THE POWDER INOT A SMOOTH CONTIGUOUS, COATING, AND, IN SOME INSTANCES, SUBJECTED TO HYDROLYSIS TO REMOVE THE MATERIAL COMPSISING THE ORIGINAL STRUCTURE BEING COATED SO AS TO LEAVE ONLY THE STRUCTURE FORMED BY THE COATING MATERIAL.
Inventors
- 👤 Whitney R Adams
Bibliographic Details
Claims Analysis
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