Resin microparticle as raw material for toner, aqueous dispersed system thereof and toner

Abstract

A resin microparticle for a toner raw material that has a small particle diameter and a narrow particle diameter distribution and has a low odor is provided. The resin microparticle for a toner raw material has the following requirements (i) to (iii) satisfied: Requirement (i): A particle diameter of 50% volume (D50) satisfies the relationship 0.05 μm≦D50≦1 μm; Requirement (ii): A particle diameter of 10% volume (D10) and a particle diameter of 90% volume (D90) satisfy the relationship D90/D10≦7; and Requirement (iii): The content of an organic solvent is not more than 70 ppm.

1 . A resin microparticle (A) for a toner raw material satisfying all of the following requirements (i) to (iii): 
 Requirement (i): A particle diameter of 50% volume (D50) satisfies the relationship 0.05 μm≦D50≦1 μm;    Requirement (ii): A particle diameter of 10% volume (D10) and a particle diameter of 90% volume (D90) satisfy the relationship D90/D10≦7; and    Requirement (iii): The content of an organic solvent is not more than 70 ppm.    
   
   
       2 . The resin microparticle (A) for a toner raw material according to  claim 1 , comprising a polyester based resin (B).  
   
   
       3 . The resin microparticle (A) for a toner raw material according to  claim 2 , wherein the polyester based resin (B) is a polyester based resin (B1) having a sulfonic acid group.  
   
   
       4 . The resin microparticle (A) for a toner raw material according to  claim 3 , wherein the polyester based resin (B1) is a polyester based resin (B11) having a vinyl based copolymer-derived structure (C).  
   
   
       5 . The resin microparticle (A) for a toner raw material according to  claim 3 , wherein the polyester based resin (B1) is a polyester based resin (B12) which does not contain a bisphenol A-derived structure unit and has the content of tin of not more than 5 ppm.  
   
   
       6 . The resin microparticle (A) for a toner raw material according to  claim 1 , comprising a polyether polyol based resin (D).  
   
   
       7 . An aqueous dispersed system comprising the resin microparticle (A) for a toner raw material as described in  claim 6  dispersed in water.  
   
   
       8 . A toner comprising the resin microparticle (A) for a toner raw material as described in  claim 6 .  
   
   
       9 . An aqueous dispersed system comprising the resin microparticle (A) for a toner raw material as described in  claim 1  dispersed in water.  
   
   
       10 . An aqueous dispersed system comprising the resin microparticle (A) for a toner raw material as described in  claim 2  dispersed in water.  
   
   
       11 . An aqueous dispersed system comprising the resin microparticle (A) for a toner raw material as described in  claim 3  dispersed in water.  
   
   
       12 . An aqueous dispersed system comprising the resin microparticle (A) for a toner raw material as described in  claim 4  dispersed in water.  
   
   
       13 . An aqueous dispersed system comprising the resin microparticle (A) for a toner raw material as described in  claim 5  dispersed in water.  
   
   
       14 . A toner comprising the resin microparticle (A) for a toner raw material as described in  claim 1 .  
   
   
       15 . A toner comprising the resin microparticle (A) for a toner raw material as described in  claim 2 .  
   
   
       16 . A toner comprising the resin microparticle (A) for a toner raw material as described in  claim 3 .  
   
   
       17 . A toner comprising the resin microparticle (A) for a toner raw material as described in  claim 4 .  
   
   
       18 . A toner comprising the resin microparticle (A) for a toner raw material as described in  claim 5.