US2007119103A1PendingUtilityA1

Surface defect treatment compositions

43
Assignee: HUANG TSAO-CHIN CPriority: Oct 31, 2005Filed: Oct 30, 2006Published: May 31, 2007
Est. expiryOct 31, 2025(expired)· nominal 20-yr term from priority
Inventors:Tsao-Chin Clarence Huang
C09G 1/02C09G 1/16
43
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Claims

Abstract

A surface defect treatment composition for repairing defects in coated substrates comprising: abrasive consisting essentially of inorganic particles having an average particle size of from about 0.1 to about 12.0 microns and a surface area of from about 6 to about 17 m 2 /g; and, an emulsion comprising one or more organopolysiloxanes

Claims

exact text as granted — not AI-modified
1 . A surface defect treatment composition for repairing defects in coated substrates comprising: 
 abrasive consisting essentially of inorganic particles having an average particle size of from about 0.1 to about 12.0 microns and a surface area of from about 6 to about 17 m 2 /g; and,    an emulsion comprising one or more organopolysiloxanes.    
   
   
       2 . The surface defect treatment composition of  claim 1  wherein the organopolysiloxanes are branched or linear organopolysiloxanes comprising groups having the following formula 
       [R a SiO (4−a)/2 ] n   
     wherein: 
 R is a radical independently selected from the group consisting of monovalent hydrocarbon radicals, hydroxy radicals, and hydrocarbonoxy radicals having from 1 to 18 carbon atoms, said radicals being unsubstituted or comprising a substituent selected from the group consisting of amino, mercapto, olefinic, and aromatic groups;  
 a is on average from 0.7 to 2.6 per unit of the organopolysiloxane, and  
 n is from 10 to 10,000.  
 
   
   
       3 . The surface defect treatment composition of  claim 2  wherein the organopolysiloxane comprises repeating units having the following structure:  
     
       
         
         
             
             
         
       
     
     wherein R 1  and R 2  individually are selected from the group consisting of: phenyl groups; unsubstituted and substituted alkyl groups having from about 1 to 18 carbon atoms, optionally comprising one or more substituent selected from the group consisting of amino groups, aminoalkyl groups and salts thereof, and groups comprising one or more unsaturated carbon-carbon bond.  
   
   
       4 . The surface defect treatment composition of  claim 3  wherein the organopolysiloxane comprises one or more substituent selected from the group consisting of C 1-8  alkoxy groups, trialkylsilyl groups, dialkylsilanolyl groups, dialkylalkoxysilyl groups, alkyldialkoxysilyl groups, and dialkylvinylsilyl groups.  
   
   
       5 . The surface defect treatment composition of  claim 1  wherein the organopolysiloxane has a viscosity of from about 10 to about 60,000 cSt.  
   
   
       6 . The surface defect treatment composition of  claim 1  wherein the organopolysiloxane has a viscosity of from about 100 to about 3,000 cSt.  
   
   
       7 . The surface defect treatment composition of  claim 1  wherein the organopolysiloxane has a viscosity of from about 300 to about 500 cSt.  
   
   
       8 . The surface defect treatment composition of  claim 1  wherein the organopolysiloxane is polydimethylsiloxane.  
   
   
       9 . The surface defect treatment composition of  claim 7  wherein the organopolysiloxane is polydimethylsiloxane.  
   
   
       10 . The surface defect treatment composition of  claim 1  wherein the inorganic particles have an average particle size of from about 2.0 to about 5 microns and a surface area of from about 6 to about 15 m 2 /g.  
   
   
       11 . The surface defect treatment composition of  claim 1  wherein the inorganic particles have an average particle size of from about 2.0 to about 5 microns and a surface area of from about 6 to about 11 m 2 /g.  
   
   
       12 . The surface defect treatment composition of  claim 1  wherein the inorganic particles have an average particle size of from about 2.0 to about 5 microns and a surface area of from about 8 to about 11 m 2 /g.  
   
   
       13 . The surface defect treatment composition of  claim 7  wherein the inorganic particles have an average particle size of from about 2.0 to about 3.2 microns and a surface area of from about 8 to about 11 m 2 /g.  
   
   
       14 . The surface defect treatment composition of  claim 9  wherein the inorganic particles have an average particle size of from about 2.0 to about 3.2 microns and a surface area of from about 8 to about 11 m 2 /g.  
   
   
       15 . A surface defect treatment composition for repairing defects in coated substrates comprising: 
 abrasive consisting essentially of inorganic particles having an average particle size of from about 0.1 to about 12.0 microns and a surface area of from about 6 to about 17 m 2 /g;    an emulsion comprising one or more organopolysiloxanes having a viscosity of from about 100 to about 3,000 cSt; and,    a quantity of thickener comprising hydrophilic non-ionic water soluble polymer sufficient to produce a dynamic viscosity of from about 20,000 cP to about 50,000 cP.    
   
   
       16 . The surface defect treatment composition of  claim 15  wherein the organopolysiloxane has a viscosity of from about 300 to about 500 cSt.  
   
   
       17 . The surface defect treatment composition of  claim 15  wherein the organopolysiloxane is polydimethylsiloxane.  
   
   
       18 . The surface defect treatment composition of  claim 15  wherein the thickener comprises water soluble cellulose ether.  
   
   
       19 . The surface defect treatment composition of  claim 16  wherein the thickener comprises water soluble cellulose ether.  
   
   
       20 . The surface defect treatment composition of  claim 17  wherein the thickener comprises hydroxyethyl cellulose.  
   
   
       21 . The surface defect treatment composition of  claim 19  wherein the inorganic particles have an average particle size of from about 2.0 to about 5 microns and a surface area of from about 6 to about 15 m 2 /g.  
   
   
       22 . The surface defect treatment composition of  claim 19  wherein the inorganic particles have an average particle size of from about 2.0 to about 5 microns and a surface area of from about 6 to about 11 m 2 /g.  
   
   
       23 . The surface defect treatment composition of  claim 19  wherein the inorganic particles have an average particle size of from about 2.0 to about 5 microns and a surface area of from about 8 to about 11 m 2 /g.  
   
   
       24 . A surface defect treatment composition for repairing defects in coated substrates comprising: 
 abrasive consisting essentially of inorganic particles having an average particle size of from about 2.0 to about 3.2 microns and a surface area of from about 8 to about 11 m 2 /g;    an emulsion comprising one or more organopolysiloxanes having a viscosity of from about 300 to about 500 cSt; and,    a quantity of thickener comprising hydrophilic non-ionic water soluble polymer sufficient to produce a dynamic viscosity of from about 20,000 cP to about 50,000 cP.    
   
   
       25 . The surface defect treatment composition of  claim 25  wherein the organopolysiloxane is polydimethylsiloxane.  
   
   
       26 . The surface defect treatment composition of  claim 26  wherein the thickener comprises hydroxyethyl cellulose.  
   
   
       27 . The surface defect treatment composition of  claim 24  wherein the inorganic particles having an average particle size of about 3 microns.  
   
   
       28 . The surface defect treatment composition of  claim 25  wherein the inorganic particles having an average particle size of about 3 microns.  
   
   
       29 . The surface defect treatment composition of  claim 27  wherein the inorganic particles comprise alpha alumina.  
   
   
       30 . The surface defect treatment composition of  claim 28  wherein the inorganic particles comprise alpha alumina.  
   
   
       31 . The surface defect treatment composition of  claim 27  further comprising: 
 from about 1.0 wt. % to about 1.6 wt. % hydroxyethylcellulose;    from about 0.06% to about 0.10 wt. % of preservative comprising one or more of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one; and,    from about 3 wt. % to about 7 wt. % glycerin.    
   
   
       32 . The surface defect treatment composition of  claim 30  further comprising: 
 from about 1.0 wt. % to about 1.6 wt. % hydroxyethylcellulose;    from about 0.06% to about 0.10 wt. % of preservative comprising one or more of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one; and,    from about 3 wt. % to about 7 wt. % glycerin.

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