US 11,851,871 B2
Multifunctional system for passive heat and water management
Derek Martin Stein, Providence, RI (US)
Assigned to Techstyle Materials, Inc., Somerville, MA (US)
Filed by Techstyle Materials, Inc., Somerville, MA (US)
Filed on Aug. 19, 2022, as Appl. No. 17/891,771.
Application 17/891,771 is a continuation of application No. 16/558,091, filed on Aug. 31, 2019, granted, now 11,560,710.
Claims priority of provisional application 62/725,446, filed on Aug. 31, 2018.
Prior Publication US 2022/0389705 A1, Dec. 8, 2022
Int. Cl. E04B 1/64 (2006.01); B32B 7/12 (2006.01); B32B 27/18 (2006.01); B32B 27/14 (2006.01); B32B 19/04 (2006.01); B32B 19/02 (2006.01); B32B 27/34 (2006.01)
CPC E04B 1/64 (2013.01) [B32B 7/12 (2013.01); B32B 19/02 (2013.01); B32B 19/045 (2013.01); B32B 27/14 (2013.01); B32B 27/18 (2013.01); B32B 27/34 (2013.01); B32B 2264/10 (2013.01); B32B 2307/724 (2013.01); B32B 2607/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A multifunctional material system, comprising:
a variable-permeability layer applied to a substrate; and
a desiccant layer applied to a surface of the variable-permeability layer that is opposite to another surface of the variable-permeability layer adjacent the substrate;
wherein the system moves water from the variable-permeability layer to the desiccant layer when relative humidity is greater adjacent the variable-permeability layer than the desiccant layer, and when the relative humidity is greater adjacent the desiccant layer than the variable-permeability layer, water is absorbed by the desiccant layer to inhibit water from reaching the variable-permeability layer, and
wherein the variable-permeability layer and the desiccant layer are separate and distinct from each other.