Method of making composite resin-glass structures

Claim 1

THE METHOD WHICH COMPRISES COATING A GLASS FABRIC WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NORMALLY LIQUID REACTION PRODUCTS OF VINYLCHLOROSILANES WITH SATURATED ALIPHATIC DIBYDRIC ALCOHOLS PREPARED FROM SAID SILANES AND SAID ALCOHOLS IN SUCH PROPORTIONS THAT THE RATIO OF ALCOHOLIC HYDROXYL GROUPS FURNISHED BY SAID ALCOHOLS TO CHLORINE ATOMS FURNISHED BY SAID SILANES IN THE REACTION MIXTURE IS GREATER THAN UNITY, VINYL-2-CHLOROALKOXYSILANES WHEREIN EACH ALKOXY GROUP CONTAINS FROM 2 TO 6 CARBON ATOMS AND VINYLACYLOXYSILANES WHEREIN EACH ACYLOXY GROUP IS ALIPHATIC AND CONTAINS FROM 2 TO 6 CARBON ATOMS, ASSEMBLING A PLURALITY OF LAYERS OF THE HUS-COATED GLASS FABRIC INTO A LAMINATED STRUCTURE HAVING BETWEEN THE FABRIC LAYERS A CURABLE POLYESTER RESIN COMPRISING A POLYMERIZATION CATALYST, AN ESTERIFICATION PRODUCT OF AN ALPHA-ETHYLENIC, ALPHA, BETA-DICARBOXYLIC ACID WITH A GLYCOL, SAID PRODUCT BEING AN ADVANCED LINEAR POLYESTER CONTAINING UNESTERIFIED CARBOXYL GROUPS AND HAVING AN ACID NUMBER OF FROM 5 TO 100 AND BEING MISCIBLE WITH AND COPOLYMERIZABLE WITH THE LIQUID MONOMERIC UNSATURATED POLYMERIZABLE COMPOUND CONTAINING AN ETHYLENIC LINKAGE HEREINAFTER MENTIONED TO YIELD A SOLID RESINOUS MATERIAL, AND A LIQUID MONOMERIC UNSATURATED POLYMERIZABLE COMPOUND CONTAINING AN ETHYLENIC LINKAGE, AND CURING SAID POLYESTER RESIN BY HEATING THE RESULTING ASSEMBLY.