Toy and hobby building blocks adhesive

Abstract

A water soluble adhesive for use in assembling toy interlocking plastic building blocks is disclosed which add strength to assembled structures yet enables easy disassembly and reuse.

What is claimed is: 
     
       1. An adhesive material for use in structures of toy acrylonitrile butadiene styrene (ABS) blocks or bricks comprising: 
       
         
           
                 
                 
                 
                 
               
                     
                 
                     
                   a) 
                   hydrolyzed starch 
                   32-46% 
                 
                     
                   b) 
                   soluble synthetic polymer 
                   18-32% 
                 
                     
                   c) 
                   alkali and viscosity stabilizers 
                   0.05-0.15% 
                 
                     
                   d) 
                   antibacterial and antifungal 
                   0.4-1.2% 
                 
                     
                     
                   additives 
                     
                 
                     
                   e) 
                   water 
                   28-40% 
                 
                     
                 
             
                
               
               
                
                
                
                
                
                
                
               
            
           
         
       
     
     
       2. An adhesive material as in  claim 1  wherein the hydrolyzed starch is selected from the group consisting of corn, soy bean soybean, wheat, rice, potato and combinations thereof. 
     
     
       3. An adhesive material as in  claim 1  wherein the soluble synthetic polymer is selected from the group consisting of polyacrylic acid, acrylic acid esters, polyvinyl acetates, polyvinyl alcohols and polyvinyl pyrrolidones. 
     
     
       4. An adhesive material as in  claim 1  wherein the hydrolyzed starch is selected from corn, soybean, wheat and combinations thereof and wherein the soluble synthetic polymer is selected from the group consisting of acrylic acid esters, polyvinyl acetates, polyvinyl alcohols, and combinations thereof. 
     
     
       5. An adhesive material as in  claim 1  wherein the alkali and viscosity stabilizers are selected from sodium and potassium hydroxide. 
     
     
       6. An adhesive material as in  claim 4  wherein the alkali and viscosity stabilizers are selected from sodium and potassium hydroxide. 
     
     
       7. A method of assembling toy ABS blocks or similar polymer-based blocks or bricks designed to lock together comprising:
 a) providing an amount of adhesive comprising an amount of hydrolyzed starch, an amount of water-soluble synthetic polymer, and an amount of water adjusted for desired solid specification; 
 
       
         
           
                 
                 
                 
               
                     
                 
                   [1) 
                   hydrolyzed startch 
                   32-46% 
                 
                   2) 
                   soluble synthetic polymer 
                   18-32% 
                 
                   3) 
                   alkali and viscosity stabilizers 
                   0.05-0.15% 
                 
                   4) 
                   antibacterial and antifungal 
                   0.4-1.2% 
                 
                     
                   additives 
                     
                 
                   5) 
                   water 
                    28-40% 
                 
                     
                 
             
                
               
               
                
                
                
                
                
                
                
               
            
           
         
         b) applying an amount of the adhesive of (a) to one side of a frictional locking mechanism of a block to be connected; 
         c) connecting coated block of (b) to a desired block to be connected; 
         d) repeat (c) until a structure is completed with as much of it as desired connected by the adhesive; and 
         e) allowing the adhesive to cure. 
       
     
     
       8. A method as in  claim 7  further comprising disassembling a structure connected by the adhesive by immersion in water, the blocks thereafter being reusable in another structure. 
     
     
       9. A water-soluble adhesive material for use in structures of toy interlocking building blocks or bricks comprising an amount of hydrolyzed starch, an amount of water-soluble synthetic polymer, and an amount of water adjusted for desired solid specification, wherein the amount of hydrolyzed starch is in the range of about 32-46%, the amount of water-soluble synthetic polymer is in the range of about 18-32% and the amount of water is in the range of about 28-40% adjusted. 
     
     
       10. A water-soluble adhesive material as in claim 9 further comprising 0.05%-0.15% of alkali and viscosity stabilizers. 
     
     
       11. A water-soluble adhesive material as in claim 9 further comprising 0.4%-1.2% of antibacterial and antifungal additives. 
     
     
       12. An adhesive material as in claim 9 wherein the hydrolyzed starch is selected from the group consisting of corn, soybean, wheat, rice, potato and combinations thereof. 
     
     
       13. An adhesive material as in claim 9 wherein the soluble synthetic polymer is selected from the group consisting of polyacrylic acid, acrylic acid esters, polyvinyl acetates, polyvinyl alcohols and polyvinyl pyrrolidones. 
     
     
       14. An adhesive material as in claim 12 wherein the soluble synthetic polymer is selected from the group consisting of polyacrylic acid, acrylic acid esters, polyvinyl acetates, polyvinyl alcohols and polyvinyl pyrrolidones. 
     
     
       15. A water-soluble adhesive material as in claim 13 further comprising 0.05%-0.15% of alkali and 0.4%-1.2% viscosity stabilizers and 0.4%-1.2% antibacterial and antifungal additives. 
     
     
       16. An adhesive material as in claim 10 wherein the alkali and viscosity stabilizers are selected from sodium and potassium hydroxide.