US2015239780A1PendingUtilityA1

Composition and method of using perlite

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Assignee: SHAHAL BUILDING MATERIALS LTD C N 510184229Priority: Feb 24, 2014Filed: Oct 29, 2014Published: Aug 27, 2015
Est. expiryFeb 24, 2034(~7.6 yrs left)· nominal 20-yr term from priority
Inventors:David Bar Moav
C04B 24/386C04B 2111/00637C09J 11/08C04B 2111/40C04B 2111/00086C04B 16/0641C09D 1/08C04B 2201/30C09J 11/04C04B 14/185C04B 14/18C04B 2103/10C09J 1/02C04B 16/0633C04B 16/02C04B 2111/28C04B 28/14C04B 28/04C04B 2111/00672C04B 2111/52C04B 7/02C04B 16/04C04B 14/005
37
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Claims

Abstract

The present invention relates to a method of producing a powder adhesive for attaching a veneer comprising the steps of: (a) providing expanded perlite; (b) providing cement; (c) providing a dispersible polymer powder; and (d) mixing said expanded perlite, said cement, and said dispersible polymer powder, for creating said adhesive for attaching stone veneer.

Claims

exact text as granted — not AI-modified
1 . A powder adhesive composition comprising:
 cement;   a dispersible polymer powder; and   at least 10% volume of the powder adhesive is an expanded perlite.   
     
     
         2 . The composition according to  claim 1 , further comprising a cellulose ethers compound. 
     
     
         3 . The composition according to  claim 1 , further comprising a fiber compound. 
     
     
         4 . The composition according to  claim 1 , where the cement is white cement. 
     
     
         5 . The composition according to  claim 1 , where the cement is Portland cement. 
     
     
         6 . The composition according to  claim 1 , further comprising an accelerator. 
     
     
         7 . The composition according to  claim 2 , where the cellulose ethers compound is a Methocel polymer. 
     
     
         8 . The composition according to  claim 1 , where the dispersible polymer powder is Wacker's Vinnapas 5025L. 
     
     
         9 . The composition according to  claim 3 , where the fiber compound is a polypropylene compound. 
     
     
         10 . A method of producing a powder adhesive composition comprising the steps of:
 mixing an expanded perlite, cement, and a dispersible polymer powder, in any order; wherein at least 10% volume of the sand-free powder adhesive is the expanded perlite.   
     
     
         11 . The method according to  claim 10 , where the cement is white cement. 
     
     
         12 . The method according to  claim 10 , where the cement is Portland cement. 
     
     
         13 . The method according to  claim 10 , further comprising adding an accelerator. 
     
     
         14 . The method according to  claim 10 , further comprising adding a cellulose ethers compound. 
     
     
         15 . The method according to  claim 10 , further comprising adding a fiber compound. 
     
     
         16 . The method according to  claim 10 , where the dispersible polymer powder is Wacker's Vinnapas 5025L. 
     
     
         17 . The method according to  claim 10 , where the perlite comprises at least 1% of the total mass of the adhesive composition.

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