Transfer type ink jet recording method and transfer type ink jet recording apparatus

Abstract

In a transfer type ink jet recording method, the temperature of an intermediate image in a heating step is not lower than the minimum coat forming temperature of a first resin and is not lower than the glass transition temperature of a second resin, and the temperature of the intermediate image in a transfer step is lower than the glass transition temperature of the first resin and is not lower than the glass transition temperature of the second resin.

What is claimed is: 
     
         1 . A transfer type ink jet recording method comprising:
 a liquid applying step of applying a liquid containing a first resin to a transfer member;   an intermediate image forming step of applying, to the transfer member applied with the liquid, an ink containing a second resin to thereby form an intermediate image;   a heating step of heating the transfer member on which the intermediate image is formed; and   a transfer step of transferring the intermediate image subjected to the heating step to a recording medium, wherein:   in the heating step, a surface temperature of the transfer member is not lower than a minimum coat forming temperature of the first resin and is not lower than a glass transition temperature of the second resin; and   a surface temperature of the transfer member immediately after the transfer step is lower than a glass transition temperature of the first resin and is not lower than the glass transition temperature of the second resin.   
     
     
         2 . A transfer type ink jet recording apparatus comprising:
 a transfer member;   a liquid applying device configured to apply, to the transfer member, a liquid containing a first resin;   an intermediate image forming unit configured to apply, to the transfer member applied with the liquid, an ink containing a second resin to thereby form an intermediate image;   a heating device configured to heat the transfer member on which the intermediate image is formed; and   a transfer unit configured to transfer the intermediate image on the transfer member heated by the heating device to a recording medium, wherein:   a surface temperature of the transfer member heated by the heating device is not lower than a minimum coat forming temperature of the first resin and is not lower than a glass transition temperature of the second resin; and   a surface temperature of the transfer member immediately after transferring the intermediate image to the recording medium is lower than a glass transition temperature of the first resin and is not lower than the glass transition temperature of the second resin.   
     
     
         3 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the liquid has a resin emulsion containing resin particles formed of the first resin, and the minimum coat forming temperature is a minimum film forming temperature of the resin particles. 
     
     
         4 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the glass transition temperature of the first resin is higher than the glass transition temperature of the second resin. 
     
     
         5 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the glass transition temperature of the first resin is 80° C. to 100° C. 
     
     
         6 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the first resin is an acrylic resin or a urethane resin. 
     
     
         7 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the glass transition temperature of the second resin is 40° C. to 60° C. 
     
     
         8 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the second resin is an acrylic resin or a urethane resin. 
     
     
         9 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the transfer member has a surface roughness Ra of 0.1 μm or less. 
     
     
         10 . The transfer type ink jet recording apparatus according to  claim 2 , further comprising a controlling unit for selecting execution or non-execution of application of the liquid. 
     
     
         11 . The transfer type ink jet recording apparatus according to  claim 2 , further comprising a cooling device for cooling the transfer member which is heated by the heating device. 
     
     
         12 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the minimum coat forming temperature of the first resin is 50° C. to 90° C. 
     
     
         13 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the surface temperature of the transfer member heated by the heating device is 80° C. to 200° C. 
     
     
         14 . The transfer type ink jet recording apparatus according to  claim 2 , further comprising a reaction liquid applying device configured to apply a reaction liquid containing a component that increases viscosity of the ink. 
     
     
         15 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the component that increases viscosity of the ink is polyvalent metal ion or organic acid. 
     
     
         16 . The transfer type ink jet recording apparatus according to  claim 2 , wherein the first resin is a glossy layer-forming material.