US2013251986A1PendingUtilityA1

Building Material Containing Latent Heat Storage Material and Methods of Making the Same

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Individually held — no corporate assignee on recordPriority: Jun 18, 2010Filed: Mar 15, 2011Published: Sep 26, 2013
Est. expiryJun 18, 2030(~3.9 yrs left)· nominal 20-yr term from priority
Inventors:Joel T. CharltonKeshav Gautam
B32B 5/022E04C 2/043B32B 13/08B32B 13/14B32B 2255/12B32B 2262/101B32B 2255/02B32B 2419/00Y10T428/273E04B 1/7608
42
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Claims

Abstract

A building material includes a paneled article having a first side and a second side. A layer of encapsulated latent heat storage material is disposed on the first side of the panel and a coating is disposed over the layer of encapsulated latent heat storage material.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A gypsum board comprising:
 a gypsum core; and   a facing material comprising a first side and second side opposite the first side, the second side is bonded to the gypsum core, wherein in an area proximate to the bond a latent heat storage material is disposed with a remainder of the gypsum core being substantially free of latent heat storage material.   
     
     
         2 . The gypsum board of  claim 1 , wherein the latent heat storage material is in the form of capsules containing phase change material. 
     
     
         3 . The gypsum board of  claim 2 , wherein the capsules are microcapsules. 
     
     
         4 . The gypsum board of  claim 2 , wherein the capsules are macrocapsules. 
     
     
         5 . The gypsum board of  claim 1 , wherein the facing material is a glass mat. 
     
     
         6 . A gypsum board comprising:
 a gypsum core having a main portion and a second portion, the second portion being more dense than the main portion, wherein the second portion comprises a latent heat storage material; and   a facing material comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core.   
     
     
         7 . The gypsum board of  claim 6 , wherein the latent heat storage material is in the form of capsules containing phase change material. 
     
     
         8 . The gypsum board of  claim 7 , wherein the capsules are microcapsules. 
     
     
         9 . The gypsum board of  claim 7 , wherein the capsules are macrocapsules. 
     
     
         10 . A gypsum board comprising:
 a gypsum core;   a facing material comprising a first side and second side opposite the first side, the second side is bonded to the gypsum core;   a layer of encapsulated latent storage material disposed on the first side; and   a coating layer disposed over the layer of encapsulated latent storage material such that substantially no encapsulated latent heat storage material is exposed to an outer surface of the coating layer.   
     
     
         11 . The gypsum board of  claim 10 , wherein the latent heat storage material is in the form of capsules containing phase change material. 
     
     
         12 . The gypsum board of  claim 11 , wherein the capsules are microcapsules. 
     
     
         13 . The gypsum board of  claim 11 , wherein the capsules are macrocapsules. 
     
     
         14 . A gypsum board comprising:
 a gypsum core;   a facing material comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core; and   a coating layer disposed on the second side, wherein the coating comprises capsules of latent heat storage material.   
     
     
         15 . The gypsum board of  claim 14 , wherein the latent heat storage material is in the form of capsules containing phase change material. 
     
     
         16 . The gypsum board of  claim 15 , wherein the capsules are microcapsules. 
     
     
         17 . The gypsum board of  claim 15 , wherein the capsules are macrocapsules. 
     
     
         18 . A gypsum board comprising:
 a gypsum core;   a facing material comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core; and   a coating layer disposed on the second side, wherein the coating comprises capsules of latent heat storage material.   
     
     
         19 . The gypsum board of  claim 18 , wherein the latent heat storage material is in the form of capsules containing phase change material. 
     
     
         20 . The gypsum board of  claim 19 , wherein the capsules are microcapsules. 
     
     
         21 . The gypsum board of  claim 19 , wherein the capsules are macrocapsules. 
     
     
         22 . A gypsum board comprising:
 a gypsum core;   a first fiber mat comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core;   a first coating penetrating the first fiber mat from the first side into the fiber mat;   a second fiber mat comprising a first side and second side opposite the first side, the second side is bonded to the gypsum core;   a second coating penetrating the second fiber mat from the first side into the fiber mat;   wherein both the first fiber mat and the second fiber mat each comprise glass fibers nominally about 10 to 16 microns in diameter and about one-quarter (¼) to about one (1) inch in length, the first fiber mat in the absence of coating has a basis weight of 1 to 3 pounds per 100 square feet; and   wherein at least one of the first coating and the second coating each comprise a capsules of latent heat storage material and an organic binder.   
     
     
         23 . The gypsum board of  claim 1 , wherein the latent heat storage material is in the form of capsules containing a phase change material. 
     
     
         24 . The gypsum board of  claim 23 , wherein the capsules are microcapsules. 
     
     
         25 . The gypsum board of  claim 23 , wherein the capsules are macrocapsules. 
     
     
         26 . A method of making a gypsum board comprising:
 depositing a gypsum slurry for forming a set gypsum core onto a non-coated side of a pre-coated fiber mat, the fiber mat having a coating on a side opposite the non-coated side, the coating comprising an organic binder and a latent heat storage material; and   drying the gypsum slurry to form a set gypsum core.   
     
     
         27 . A method of making a gypsum board comprising:
 depositing a gypsum slurry for forming a set gypsum core onto a facing material;   drying the gypsum slurry to form a set gypsum core;   applying a latent heat storage material on the facing material on a side opposite in contact with set gypsum core; and   applying a coating over the latent heat storage material.   
     
     
         28 . A building material comprising:
 a paneled article having a first side and a second side;   a layer of encapsulated latent heat storage material disposed on the first side; and   a coating disposed over the layer of encapsulated latent heat storage material.

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