US2007033747A1PendingUtilityA1

Organic/Inorganic Lewis Acid Composite Materials

Assignee: UNIV TEXASPriority: Jun 17, 2005Filed: Jun 16, 2006Published: Feb 15, 2007

Est. expiryJun 17, 2025(expired)· nominal 20-yr term from priority

Inventors:Russell R. Chianelli Lori Polette

C01P 2006/64C09B 7/04C08K 5/3417B82Y 30/00C09C 3/08C09C 1/407C09B 7/00C08K 3/22C09B 67/0002C09B 67/0007C09B 7/10C09D 7/62C09C 1/405C09C 1/3063C01P 2006/63C09D 7/41C01P 2006/62C09B 67/0005C01P 2002/88C09B 67/00C09C 1/40C09C 1/30

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References

Claims

Abstract

The present invention involves new compositions comprising an organic pigment or dye complexed with a support via a coordinate covalent bond. The support is characterized has having a Lewis acid or Lewis acid substitute.

Claims

exact text as granted — not AI-modified

1 . A composition comprising an organic dye coordinately covalently bonded to a support comprising a Lewis acid metal.  
     
     
         2 . The composition of  claim 1 , wherein the color/hue of said composition is determined by the concentration of said dye and pH of said composition.  
     
     
         3 . The composition of  claim 1 , wherein said support comprises silica, alumina, zeolite, amorphous Al(OH) 3 , amorphous AlO(OH), amorphous Al/SiO 2 , crystalline Al(OH) 3 , crystalline AlO(OH), gibbsite or bayerite.  
     
     
         4 . The composition of  claim 1 , wherein said organic dye is indigo, thioindigo, dibromoindigo, Vat Orange 5, oralith pink, novoperm red, or Solvent Yellow 33.  
     
     
         5 . The composition of  claim 1 , wherein said organic dye has the formula:  
       
         
           
           
               
               
           
         
       
       wherein: 
 R 1 -R 8  are individually H, CH 3 , CH 2 CH 3 , F, Cl, Br, I, CN, OH, SH, OCH 3  or OCH 2 CH 3 ;  
 Y is N, O, S, or Se; and  
 X is O or S.  
 
     
     
         6 . The composition of  claim 1 , wherein said organic dye, after complexing with said support, has the formula:  
       
         
           
           
               
               
           
         
       
       wherein: 
 R 1 -R 8  are individually H, CH 3 , CH 2 CH 3 , F, Cl, Br, I, CN, OH, SH, OCH 3  or OCH 2 CH 3 ;  
 R 9 -R 11  are individually SiO 3 , SiOH or H 2 O;  
 Y is NH, O, S, or Se;  
 X is O or S;  
 M (n+)  is Al, Sc, Sn, Nb, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Pt, Pd or Zn; and n is 1, 2, 3 or 4.  
 
     
     
         7 . The composition of  claim 1 , wherein said Lewis acid metal is Zr +4 , Fe +3 , Ti +4 , Al +3 , V +5 , Sn +4 , Nb +5  and Cr +3 .  
     
     
         8 . The composition of  claim 1 , wherein said Lewis acid metal is a Lewis acid substitute.  
     
     
         9 . The composition of  claim 8 , wherein said Lewis acid substitute has the formula Si 2-X O 2 Al X , wherein 0&lt;X&lt;0.5.  
     
     
         10 . The composition of  claim 8 , wherein said Lewis acid substitute has the formula SiO 2-X M X , wherein 0&lt;X&lt;0.5, and M is Zr +4 , Fe +3 , Ti +4 , Al +3 , V +5 , Sn +4 , Nb +5  and Cr +3 .  
     
     
         11 . The composition of  claim 1 , wherein the composition is a powder or a liquid.  
     
     
         12 . The composition of  claim 1 , wherein said composition is resistant to decomposition by light.  
     
     
         13 . The composition of  claim 1 , wherein said composition is resistant to decomposition by acids, alkalis, and solvents.  
     
     
         14 . The composition of  claim 1 , further comprising a cement, polymer or plastic.  
     
     
         15 . The composition of  claim 1 , further comprising an organic binding agent.  
     
     
         16 . The composition of  claim 1 , further comprising a gum arabic, a linseed oil, a copal, a polycarbonate, an egg tempura, or a turpentine.  
     
     
         17 . The composition of  claim 1 , wherein said composition has a pH of between 3 and 11.  
     
     
         18 . The composition of  claim 1 , wherein said composition has a pH of between 3 and 7.5.  
     
     
         19 . The composition of  claim 1 , wherein the support is selected from a group consisting of a three-dimensional support, a two-dimensional support and an amorphous support.  
     
     
         20 . A method of producing a composition comprising: 
 a) combining an organic dye with a support comprising a Lewis acid metal to form a coordinate covalent bond between the dye and the Lewis acid metal; and    b) heating said composition or subjecting said composition to UV radiation.    
     
     
         21 . The method of  claim 20 , further comprising adjusting the pH of the organic dye.  
     
     
         22 . The method of  claim 20 , further comprising applying said composition to a surface.  
     
     
         23 . The method of  claim 20 , further comprising blending said composition with a polymer or organic binder.  
     
     
         24 . The method of  claim 20 , further comprising homogenizing said dye by blending, grinding, milling or stirring.  
     
     
         25 . The method of  claim 20 , wherein said heating comprises heating at a temperature of between 100° C. and 300° C.  
     
     
         26 . The method of  claim 25 , wherein the temperature is between 115° C. and 200° C.  
     
     
         27 . The method of  claim 20 , wherein said heating lasts a maximum of four days.  
     
     
         28 . The method of  claim 20 , wherein said composition contains water.  
     
     
         29 . The method of  claim 25 , wherein said composition has a pH of between 3 and 7.5.  
     
     
         30 . The method of  claim 20 , wherein said composition contains the organic dye in the range of 0.01% to 25% by weight.  
     
     
         31 . The method of  claim 20 , wherein said three dimensional support comprises silica, alumina, zeolite, amorphous Al(OH) 3 , amorphous AlO(OH), amorphous Al/SiO 2 , crystalline Al(OH) 3 , crystalline AlO(OH), gibbsite or bayerite.  
     
     
         32 . The method of  claim 20 , wherein said organic dye is indigo, thioindigo, dibromoindigo, Vat Orange 5, oralith pink, novoperm red, or Solvent Yellow 33.  
     
     
         33 . The method of  claim 20 , wherein said composition contains indigo or a molecular derivative of indigo in the range of about 0.1% to about 25% by weight.  
     
     
         34 . The method of  claim 20 , wherein said composition contains indigo or a molecular derivative of indigo at about 10% by weight at neutral or acidic pH.  
     
     
         35 . The method of  claim 20 , wherein said Lewis acid metal is Zr +4 , Fe +3 , Ti +4 , Al +3 , V +5 , Sn +4 , Nb +5  and Cr +3 .  
     
     
         36 . The method of  claim 20 , wherein said Lewis acid metal is a Lewis acid substitute.  
     
     
         37 . The method of  claim 36 , wherein said Lewis acid substitute has the formula SiO 2-X Al X , wherein 0&lt;X&lt;0.5.  
     
     
         38 . The method of  claim 36 , wherein said Lewis acid substitute has the formula SiO 2-X M X , wherein 0&lt;X&lt;0.5, and M is Zr +4 , Fe +3 , Ti +4 , Al +3 , V +5 , Sn +4 , Nb +5  and Cr +3 .  
     
     
         39 . The method of  claim 20 , wherein UV radiation comprises ultraviolet light is in the range of about 200 to about 500 nm.  
     
     
         40 . The method of  claim 20 , wherein said composition is subjected to ultraviolet light for about 1 minute to about 8 hours.  
     
     
         41 . The method of  claim 20 , wherein said composition has a pH of between 3 to 11.  
     
     
         42 . The method of  claim 20 , further comprising adding a binding agent to said coating composition.  
     
     
         43 . The method of  claim 20 , wherein the support is selected from a group consisting of a three-dimensional support, a two-dimensional support and an amorphous support.

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