Patent ID: 9446564
Filing Date: 2016-09-20
CPC Classification: B32B,Y10T

Claim Text:
1. A urethane based rigid flooring laminate comprising: a backing layer comprising a fiber reinforcement made from woven or non-woven fibers impregnated in a thermoset or thermoplastic polymer resin matrix; a first adhesive layer adjacent the backing layer; a base layer comprising a first primer layer, the base layer being an alloy layer made of polyurethane in combination with a terpolymer comprising polyamide, polyester and polyether or a combination thereof; a fiber reinforcing layer adjacent the base layer comprising a woven glass fabric or mat, wherein the fiber reinforcing layer comprises from about 250 grams per square meter to about 350 grams per square meter fiber reinforcement, the woven glass fabric or mat having been pretreated by disposing glass fibers in a polymer selected from the group consisting of polyester, phenolic, epoxy, polysulfone, and mixtures thereof to increase a smoothness of the fiber reinforcing layer to enhance the capability of the layer to adhere to another surface; a second primer layer adjacent the first adhesive layer, the second primer layer containing a fire retardant material; a cap layer comprising polyurethane; and the laminate structure having no significant amount of PVC in any component layer of the laminate so that the laminate meets the toxicity flaming and non-flaming test protocols pursuant to AITM 2.0007 with respect to HCN, CO, NO