Water-soluble resin, hair cosmetic material containing the same, and silicone oil adsorption assistant

Abstract

Provided is a water-soluble resin which gives a conditioning effect when it is used in a hair cosmetic material containing an anionic surfactant, or the like. A water-soluble resin having a structure corresponding to a copolymer of a monomer mixture containing a vinylic monomer (A) having a hydroxyl group and an amido bond, and a vinylic monomer (B) having a cationic group.

1 . A water-soluble resin having a structure corresponding to a copolymer of a monomer mixture containing a vinylic monomer (A) having a hydroxyl group and an amido bond, and a vinylic monomer (B) having a cationic group.  
   
   
       2 . The water-soluble resin of  claim 1 , wherein the vinylic monomer (A) having a hydroxyl group and an amido bond is represented by the formula (1): 
       CH 2 ═C(R 1 )—CO—NR 2 —(CH 2 ) a —OH  (1) wherein R 1  represents a hydrogen atom, or a methyl group; R 2  represents a hydrogen atom, or an alkyl group or a hydroxyalkyl group having 1 to 4 carbon atoms; a is an integer from 1 to 4.    
   
   
       3 . The water-soluble resin of  claim 2 , wherein a in the formula (1) is 2.  
   
   
       4 . The water-soluble resin of  claim 1 , wherein the vinylic monomer (A) having a hydroxyl group and an amido bond is hydroxyethyl acrylamide, or hydroxyethyl methacrylamide.  
   
   
       5 . The water-soluble resin of any one of  claim 1 , wherein the vinylic monomer (B) having a cationic group is represented by the formula (2) 
       CH 2 ═C(R 3 )—CO(O) b —(NH) 1-b —(CH 2 ) c —N + R 4 R 5 R 6 .X −   (2) wherein R 3  represents a hydrogen atom, or a methyl group; R 4  and R 5  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; R 6  represents a hydrogen atom, an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms, or CH 2 —CH(OH)—CH 2 —N + R 7 R 8 R 9 .Y − ; R 7  to R 9  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; X −  and Y −  each independently represent an anion; b represents 0, or 1; and c represents an integer from 1 to 10.    
   
   
       6 . The water-soluble resin of  claim 1 , wherein the vinylic monomer (B) having a cationic group is at least one selected from the group consisting of meth acroyloxyethyl-trimethylammonium chloride, acroylaminopropyl-trimethylammonium chloride, and meth acroylaminopropyl-trimethylammonium chloride.  
   
   
       7 . The water-soluble resin of  claim 1 , wherein the monomer mixture containing a vinylic monomer (A) having a hydroxyl group and an amido bond, and a vinylic monomer (B) having a cationic group contains 20 to 90% by weight of the vinylic monomer (A) having a hydroxyl group and an amido bond, and 10 to 80% by weight of the vinylic monomer (B) having a cationic group.  
   
   
       8 . The water-soluble resin of  claim 1 , wherein weight average molecular weight is 5,000 to 5,000,000.  
   
   
       9 . The water-soluble resin of  claim 1 , wherein the water soluble-resin can form an aqueous solution having a concentration of at least 5% by weight.  
   
   
       10 . The water-soluble resin of  claim 1 , wherein the vinylic monomer (A) having a hydroxyl group and an amido bond is hydroxyethyl acrylamide, and the vinylic monomer (B) having a cationic group is at least one selected from the group consisting of (meth)acroyloxyethyltrimethylammonium chloride, acroylaminopropyltrimethylammonium chloride, and (meth)acroylaminopropyltrimethylammonium chloride.  
   
   
       11 . A hair cosmetic material containing the water-soluble resin of any one of  claim 1 .  
   
   
       12 . The hair cosmetic material of  claim 11 , further containing an anionic surfactant.  
   
   
       13 . The hair cosmetic material of  claim 12 , which is an aqueous solution containing 0.05 to 5% by weight of the water-soluble resin and 5 to 40% by weight of the anionic surfactant.  
   
   
       14 . A silicone oil adsorption assistant comprising the water-soluble resin of  claim 1 .  
   
   
       15 . The hair cosmetic material of  claim 11 , wherein the vinylic monomer (A) having a hydroxyl group and an amido bond is represented by the formula (1): 
       CH 2 ═C(R 1 )—CO—NR 2 —(CH 2 ) a —OH  (1) wherein R 1  represents a hydrogen atom, or a methyl group; R 2  represents a hydrogen atom, or an alkyl group or a hydroxyalkyl group having 1 to 4 carbon atoms; a is an integer from 1 to 4.    
   
   
       16 . The hair cosmetic material of  claim 11 , wherein the vinylic monomer (B) having a cationic group is represented by the formula (2): 
       CH 2 ═C(R 3 )—CO(O) b —(NH) 1-b —(CH 2 ) c —N + R 4 R 5 R 6 .X −   (2) wherein R 3  represents a hydrogen atom, or a methyl group; R 4  and R 5  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; R 6  represents a hydrogen atom, an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms, or CH 2 —CH(OH)—CH 2 —N + R 7 R 8 R 9 .Y − ; R 7  to R 9  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; X −  and Y −  each independently represent an anion; b represents 0, or 1; and c represents an integer from 1 to 10.    
   
   
       17 . The silicone oil adsorption assistant of  claim 14 , wherein the vinylic monomer (A) having a hydroxyl group and an amido bond is represented by the formula (1): 
       CH 2 ═C(R 1 )—CO—NR 2 —(CH 2 ) a —OH  (1) wherein R 1  represents a hydrogen atom, or a methyl group; R 2  represents a hydrogen atom, or an alkyl group or a hydroxyalkyl group having 1 to 4 carbon atoms; a is an integer from 1 to 4.    
   
   
       18 . The silicone oil adsorption assistant of  claim 14 , wherein the vinylic monomer (B) having a cationic group is represented by the formula (2): 
       CH 2 ═C(R 3 )—CO(O) b —(NH) 1-b —(CH 2 ) c —N + R 4 R 5 R 6 .X −   (2) wherein R 3  represents a hydrogen atom, or a methyl group; R 4  and R 5  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; R 6  represents a hydrogen atom, an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms, or CH 2 —CH(OH)—CH 2 —N + R 7 R 8 R 9 .Y − ; R 7  to R 9  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; X −  and Y −  each independently represent an anion; b represents 0, or 1; and c represents an integer from 1 to 10.    
   
   
       19 . The water-soluble resin of  claim 2 , wherein the vinylic monomer (B) having a cationic group is represented by the formula (2): 
       CH 2 ═C(R 3 )—CO(O) b —(NH) 1-b —(CH 2 ) c —N + R 4 R 5 R 6 .X −   (2) wherein R 3  represents a hydrogen atom, or a methyl group; R 4  and R 5  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; R 6  represents a hydrogen atom, an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms, or CH 2 —CH(OH)—CH 2 —N + R 7 R 8 R 9 .Y 31  ; R 7  to R 9  each independently represent an alkyl group or an aryl group or an aralkyl group having 1 to 24 carbon atoms; X −  and Y −  each independently represent an anion; b represents 0, or 1; and c represents an integer from 1 to 10.