Poly(hydroxystyrene) stain resist

Abstract

A composition for use as a stain blocker and a method of treating substrates therewith, said composition comprising a polymer of Formula 1 having the following repeating units in random sequence wherein R 1 is H, methyl or ethyl; R 2 and R 3 are each independently H, C 1 to about C 10 alkyl, —COOR 4 , CONR 5 R 6 , or —CN; R 4 is M, C 1 to about C 20 alkyl, or C 6 to C 10 aryl; R 5 and R 6 are each independently H, C 1 to C 10 alkyl, C 6 to C 10 aryl, or R 5 and R 6 together with the nitrogen atom form a morpholine, pyrrolidine, or piperidine ring; R 7 is a C 4 to C 8 alkyl group; M is H, an alkali metal or alkali earth metal; h is about 10 to 100 mole %; i is 0 to about 80 mole %; j is 0 to about 60 mole %; k and n are each independently 0 to about 40 mole %; and m is 0.01 to about 0.5; provided that h+i+j+k+n equals 100, and provided that i+j+k+n is greater than zero, except when h is 100%.

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       12 . A method of providing resistance to stains in substrates comprising contacting the substrate with at least one polymer of Formula 1A having the following repeating units, said units in any sequence 
     
       
         
         
             
             
         
       
     
     wherein
 R 1  is H, methyl or ethyl; 
 R 2  and R 3  are each independently H, C 1  to about C 10  alkyl, —COOR 4 , CONR 5 R 6 , or —CN; 
 R 4  is M, C 1  to about C 20  alkyl, or C 6  to C 10  aryl; 
 R 5  and R 6  are each independently H, C 1  to C 10  alkyl, C 6  to C 10  aryl, or R 5  and R 6  together with the nitrogen atom form a morpholine, pyrrolidine, or piperidine ring; 
 R 7  is a C 4  to C 8  alkyl group; 
 M is H, an alkali metal or alkaline earth metal; 
 h is about 10 to 100 mole %; 
 i is 0 to about 80 mole %; 
 j is 0 to about 60 mole %; 
 k and n are each independently 0 to about 40 mole %; and 
 p is 0 to about 0.5; 
 provided that h+i+j+k+n equals 100, and 
 provided that i+j+k+n is greater than zero, except when h is 100%. 
 
   
   
       13 . The method of  claim 12  wherein m is from about 0.05 to about 0.4, h is from about 40 to about 70 mole %, i is from about 30 to about 60 mole %, j is from about 30 to about 60 mole %, and k and n are each independently from about 0 to about 10 mole %. 
   
   
       14 . The method of  claim 12  wherein the mole % ratio of h to i or of h to j is from about 50:50 to about 70:30. 
   
   
       15 . The method of  claim 12  wherein j, k, and n are each zero. 
   
   
       16 . The method of  claim 12  wherein R 1  is H or methyl, R 2  is H, R 3  is —COOR 4 , and R 4  is H or methyl. 
   
   
       17 . The method of  claim 12  wherein the contacting is by means of spray, foam flex-nip, nip, pad, kiss-roll, beck, skein, winch, brush, roll, spray, immersion, liquid injection, and overflow flood. 
   
   
       18 . The method of  claim 12  wherein the polymer is contacted with the substrate in an amount of from about 0.5% to about 3% active ingredient on weight of fiber. 
   
   
       19 . The method of  claim 12  wherein the stain is coffee. 
   
   
       20 . The method of  claim 12  wherein the stain is mustard. 
   
   
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