MASTIC, CAULKING AND SEALANT COMPOSITIONS HAVING REDUCED SURFACE TACK

摘要

- i PATENT APPLICATION OF L. S. Frankel and D. H. Clemens for IMPROVED MASTIC CAULKING, AND SEALANT COMPOSITIONS HAVING REDUCED SURFACE TACK Docket No. 78-15 By: LEJ/jp 5844C/93Z Disclosed are putty-like mastic, caulking, or sealant compositions containing a photosensitive compound which, upon curing by exposure to an actinic radiation source, yield finished products characterized by a tack-free surface while the remainder of the composition retains its flexibility and by a mildew resistant surface.