Patent ID: 9739068
Date: 2017-08-22
CPC Classifications: B28B,B32B,C04B,E04G,Y10S,Y10T

Claim:
1. A concrete curing blanket comprising: an absorbent sheet comprising a wicking layer and a tissue layer with super absorbent materials positioned between the wicking layer and the tissue layer; wherein the wicking layer and the tissue layer are laminated together with a heat activated bonding agent in the presence of heat and pressure to contain the super absorbent materials between the wicking layer and the tissue layer, such that the wicking layer draws water up into the super absorbent material of the absorbent sheet; wherein the wicking layer comprises lycocell, and wherein the super absorbent material comprises sodium polyacrylate; a vapor barrier bonded to the tissue layer of the absorbent sheet; and wherein the concrete curing blanket is at least 1 meter wide and 5 meters long.