Patent ID: 8895138

Claim:
An impact resistant composite article comprising one or more stacks layered together, each stack comprising two or more fibrous layers with a non-melt-processable ionomer disposed between at least two of the fibrous layers in which the non-melt-processable ionomer is at least 85% neutralized based on the total number of equivalents of carboxylic acid moieties in the ionomer and has a zero melt flow index at 190° C. melt flow test of ASTM D1238, and wherein (i) the weight fraction of solid ionomer in the multilayer composite article is between 5 and 16%, and (ii) the ionomer is neutralized with an ion selected from the group consisting of sodium, potassium, lithium, beryllium, magnesium, calcium, strontium, barium, tin, lead, aluminum, titanium, tantalum, cerium and combinations thereof.