Efficient stabilizer in controlling self accelerated decomposition temperature of peroxycarboxylic acid compositions with mineral acids

Abstract

Highly acidic, stabilized peroxycarboxylic acid compositions are disclosed as having both improved antimicrobial efficacy in comparison to conventional peroxyoctanoic acid and peroxyacetic acid compositions for sanitizing applications, and improved transport and shipping stability. In particular, low odor and low/no VOC compositions having dual functionality as both acid wash and sanitizing compositions are disclosed.

1 - 20 . (canceled) 
     
     
         21 : A method for non-refrigeration transport of a peroxycarboxylic acid composition, comprising:
 stabilizing the peroxycarboxylic acid composition with a stabilizing agent that increases self-accelerating decomposition temperature (SADT) of the peroxycarboxylic acid to form a stabilized peroxycarboxylic acid composition having a SADT of at least about 45° C., wherein the stabilized peroxycarboxylic acid composition comprises (1) a C 1 -C 22  peroxycarboxylic acid; (2) a C 1 -C 22  carboxylic acid; (3) hydrogen peroxide; (4) from about 1 wt-% to about 50 wt-% of a strong acid; and (5) the stabilizing agent, wherein the stabilizing agent comprises a picolinic acid or a compound having the following Formula (IA):   
       
         
           
           
               
               
           
         
         
           wherein R 1  is OH or —NR 1a R 1b , wherein R 1a  and R 1b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein R 2  is OH or —NR 2a R 2b , wherein R 2a  and R 2b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein each R 3  is independently (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl or (C 2 -C 6 )alkynyl; and n is a number from zero to 3; or a salt thereof, or a compound having the following Formula (IB): 
         
       
       
         
           
           
               
               
           
         
         
           wherein R 1  is OH or —NR 1a R 1b  wherein R 1a  and R 1b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein R 2  is OH or —NR 2a R 2b , wherein R 2a  and R 2b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein each R 3  is independently (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl or (C 2 -C 6 )alkynyl; and n is a number from zero to 3; or a salt thereof; and 
         
         transporting the stabilized peroxycarboxylic acid composition, wherein the transporting does not require refrigeration and the SADT provides for an exemption from U.S. Department of Transportation (DOT) UN 5.2 classification and allows for the transporting of the stabilized peroxycarboxylic acid composition according to reduced risk DOT UN 5.1 classification. 
       
     
     
         22 : The method of  claim 21 , wherein transporting comprises transporting the stabilized peroxycarboxylic acid composition under ambient conditions. 
     
     
         23 : The method of  claim 21 , wherein the stabilized peroxycarboxylic acid composition is transported in bulk at a volume of 300 gallons or more. 
     
     
         24 : The method of  claim 21 , wherein the stabilized peroxycarboxylic acid composition is transported in bulk at a volume of 1000 gallons or more. 
     
     
         25 : The method of  claim 21 , wherein the C 1 -C 22  peroxycarboxylic acid comprises from about 0.1 wt-% to about 40 wt-%, the C 1 -C 22  carboxylic acid comprises from about 0.1 wt-% to about 90 wt-%, the hydrogen peroxide comprises from about 1 wt-% to about 90 wt-%, and the stabilizing agent comprises from about 0.001 wt-% to about 25 wt-%. 
     
     
         26 : The method of  claim 21 , wherein the stabilized peroxycarboxylic acid composition further comprises at least one additional agent comprising an anionic surfactant, a hydrotrope, a defoaming agent, a solvent, a fluorescent active agent, or combinations thereof. 
     
     
         27 : The method of  claim 26 , wherein the additional agent is a hydrotrope that aids in solubilization of the stabilizing agent. 
     
     
         28 : The method of  claim 21 , wherein the strong acid comprises sulfuric acid, phosphoric acid, methane sulfonic acid, or combinations thereof. 
     
     
         29 : The method of  claim 21 , wherein the C 1 -C 22  peroxycarboxylic acid is a C 2 -C 20  peroxycarboxylic acid comprising peroxyacetic acid, peroxyoctanoic acid, peroxysulfonated oleic acid, or combinations thereof, wherein the C 1 -C 22  carboxylic acid is a C 2 -C 20  carboxylic acid comprising acetic acid, octanoic acid, sulfonated oleic acid, or combinations thereof, and wherein the stabilizing agent is a picolinic acid, or a salt thereof. 
     
     
         30 : The method of  claim 21 , wherein the stabilizing agent is 2,6-pyridinedicarboxylic acid, or a salt thereof. 
     
     
         31 : The method of  claim 21 , wherein the stabilized peroxycarboxylic acid composition has a use solution pH below about 4. 
     
     
         32 : The method of  claim 21 , wherein the composition further comprises 1-hydroxyethylidene-1, 1-diphosphonic acid (HEDP). 
     
     
         33 : The method of  claim 24 , wherein the SADT of the stabilized peroxycarboxylic acid composition is at least about 50° C., at least about 55° C., at least about 60° C., at least about 65° C., or at least about 70° C. 
     
     
         34 : The method of  claim 21 , wherein the stabilized peroxycarboxylic acid composition is transported in a plastic tote or tank. 
     
     
         35 : The method of  claim 23 , wherein the stabilized peroxycarboxylic acid composition is transported in a plastic tote or tank. 
     
     
         36 : The method of  claim 21 , wherein the SADT is determined according to one of H1, H2, or H4 heat accumulation storage test recommended by the United Nations Committee for Transportation of Dangerous Goods, Model Regulations (Rev. 17). 
     
     
         37 : A method for non-refrigeration storage of a peroxycarboxylic acid composition, comprising:
 stabilizing the peroxycarboxylic acid composition with a stabilizing agent that increases self-accelerating decomposition temperature (SADT) of the peroxycarboxylic acid to form a stabilized peroxycarboxylic acid composition having a SADT of at least about 45° C., wherein the stabilized peroxycarboxylic acid composition comprises (1) a C 1 -C 22  peroxycarboxylic acid; (2) a C 1 -C 22  carboxylic acid; (3) hydrogen peroxide; (4) from about 1 wt-% to about 50 wt-% of a strong acid; and (5) the stabilizing agent, wherein the stabilizing agent comprises a picolinic acid or a compound having the following Formula (IA):   
       
         
           
           
               
               
           
         
         
           wherein R 1  is OH or —NR 1a R 1b , wherein R 1a  and R 1b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein R 2  is OH or —NR 2a R 2b , wherein R 2a  and R 2b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein each R 3  is independently (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl or (C 2 -C 6 )alkynyl; and n is a number from zero to 3; or a salt thereof, or a compound having the following Formula (IB): 
         
       
       
         
           
           
               
               
           
         
         
           wherein R 1  is OH or —NR 1a R 1b , wherein R 1a  and R 1b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein R 2  is OH or —NR 2a R 2b , wherein R 2a  and R 2b  are independently hydrogen or (C 1 -C 6 )alkyl; wherein each R 3  is independently (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl or (C 2 -C 6 )alkynyl; and n is a number from zero to 3; or a salt thereof; and 
         
         storing the stabilized peroxycarboxylic acid composition, wherein the storing does not require refrigeration and is under ambient conditions. 
       
     
     
         38 : The method of  claim 37 , wherein the stabilized peroxycarboxylic acid composition is stored in bulk at a volume of 300 gallons or more. 
     
     
         39 : The method of  claim 37 , wherein the C 1 -C 22  peroxycarboxylic acid comprises from about 0.1 wt-% to about 40 wt-%, the C 1 -C 22  carboxylic acid comprises from about 0.1 wt-% to about 90 wt-%, the hydrogen peroxide comprises from about 1 wt-% to about 90 wt-%, and the stabilizing agent comprises from about 0.001 wt-% to about 25 wt-%. 
     
     
         40 : The method of  claim 37 , wherein the stabilized peroxycarboxylic acid composition further comprises at least one additional agent comprising an anionic surfactant, a hydrotrope, a defoaming agent, a solvent, a fluorescent active agent, or combinations thereof. 
     
     
         41 : The method of  claim 40 , wherein the additional agent is a hydrotrope that aids in solubilization of the stabilizing agent. 
     
     
         42 : The method of  claim 37 , wherein the strong acid comprises sulfuric acid, phosphoric acid, methane sulfonic acid, or combinations thereof. 
     
     
         43 : The method of  claim 37 , wherein the C 1 -C 22  peroxycarboxylic acid is a C 2 -C 20  peroxycarboxylic acid comprising peroxyacetic acid, peroxyoctanoic acid, peroxysulfonated oleic acid, or combinations thereof, wherein the C 1 -C 22  carboxylic acid is a C 2 -C 20  carboxylic acid comprising acetic acid, octanoic acid, sulfonated oleic acid, or combinations thereof, and wherein the stabilizing agent is a picolinic acid, or a salt thereof. 
     
     
         44 : The method of  claim 37 , wherein the stabilizing agent is 2,6-pyridinedicarboxylic acid, or a salt thereof. 
     
     
         45 : The method of  claim 37 , wherein the stabilized peroxycarboxylic acid composition has a use solution pH below about 4. 
     
     
         46 : The method of  claim 37 , wherein the composition further comprises 1-hydroxyethylidene-1, 1-diphosphonic acid (HEDP). 
     
     
         47 : The method of  claim 38 , wherein the SADT of the stabilized peroxycarboxylic acid composition is at least about 50° C., at least about 55° C., at least about 60° C., at least about 65° C., or at least about 70° C. 
     
     
         48 : The method of  claim 37 , wherein the stabilized peroxycarboxylic acid composition is stored in a plastic tote or tank. 
     
     
         49 : The method of  claim 38 , wherein the stabilized peroxycarboxylic acid composition is stored in a plastic tote or tank. 
     
     
         50 : The method of  claim 37 , wherein the SADT is determined according to one of H1, H2, or H4 heat accumulation storage test recommended by the United Nations Committee for Transportation of Dangerous Goods, Model Regulations (Rev. 17).