Non-aqueous photocurable ink jet composition storage body and recording method

Abstract

Provided is a non-aqueous photocurable ink jet composition storage body including: a non-aqueous photocurable ink jet composition which contains a polymerizable compound of which a moisture absorption rate at a temperature of 60° C. and relative humidity of 90% is equal to or greater than 1.5% by mass/24 hours; and a container which accommodates the non-aqueous photocurable ink jet composition and is formed of a member having a metal oxide layer, or a package which accommodates at least a container accommodating the non-aqueous photocurable ink jet composition and is formed of a member having a metal oxide layer.

What is claimed is: 
     
         1 . A non-aqueous photocurable ink jet composition storage body comprising:
 a non-aqueous photocurable ink jet composition which contains a polymerizable compound of which a moisture absorption rate at a temperature of 60° C. and relative humidity of 90% is equal to or greater than 1.5% by mass/24 hours; and   a container which accommodates the non-aqueous photocurable ink jet composition and is formed of a member having a metal oxide layer, or a package which accommodates at least a container accommodating the non-aqueous photocurable ink jet composition and is formed of a member having a metal oxide layer.   
     
     
         2 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the polymerizable compound includes one or more selected from a group consisting of oxygen atoms coupled with two acyclic hydrocarbon groups, a heterocyclic group containing oxygen atoms, and a hydroxyl group.   
     
     
         3 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein content of the polymerizable compound is equal to or greater than 20% by mass, with respect to the total amount of the non-aqueous photocurable ink jet composition.   
     
     
         4 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the metal oxide layer contains one or more oxides selected from a group consisting of silica, alumina, titania, zirconia, and ceria.   
     
     
         5 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the non-aqueous photocurable ink jet composition further contains an acylphosphine oxide-based compound.   
     
     
         6 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the polymerizable compound contains a radical polymerizable compound.   
     
     
         7 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the non-aqueous photocurable ink jet composition further contains a pigment and a pigment dispersant.   
     
     
         8 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the container or the package has visible light transmission.   
     
     
         9 . The non-aqueous photocurable ink jet composition storage body according to  claim 1 ,
 wherein the moisture permeability of the container or the package is equal to or less than 20 g/m 2 ·24 hours.   
     
     
         10 . A recording method comprising:
 delivering the non-aqueous photocurable ink jet composition to discharge nozzles from the non-aqueous photocurable ink jet composition storage body according to  claim 1 , through ink flow paths; and   discharging the non-aqueous photocurable ink jet composition to a recording medium from the discharge nozzles.   
     
     
         11 . The recording method according to  claim 10 , further comprising:
 irradiating the non-aqueous photocurable ink jet composition attached to the recording medium with an ultraviolet light beam having an emission peak wavelength of 350 nm to 420 nm using a light emitting diode and curing the non-aqueous photocurable ink jet composition.   
     
     
         12 . A non-aqueous photocurable ink jet composition storage body comprising:
 a non-aqueous photocurable ink jet composition which contains a polymerizable compound, a pigment, and a pigment dispersant, in which the moisture absorption rate at a temperature of 60° C. and relative humidity of 90% is from 0.3% by mass/24 hours to 2.0% by mass/24 hours; and   a container which accommodates the non-aqueous photocurable ink jet composition and is formed of a member having a metal oxide layer, or a package which accommodates at least a container accommodating the non-aqueous photocurable ink jet composition and is formed of a member having a metal oxide layer.   
     
     
         13 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein the polymerizable compound contains a radical polymerizable compound.   
     
     
         14 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein the metal oxide layer contains one or more oxides selected from a group consisting of silica, alumina, titania, zirconia, and ceria.   
     
     
         15 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein the polymerizable compound includes one or more selected from a group consisting of oxygen atoms coupled with two acyclic hydrocarbon groups, a heterocyclic group containing oxygen atoms, and a hydroxyl group.   
     
     
         16 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein content of the polymerizable compound is equal to or greater than 20% by mass, with respect to the total amount of the non-aqueous photocurable ink jet composition.   
     
     
         17 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein the non-aqueous photocurable ink jet composition further contains an acylphosphine oxide-based compound.   
     
     
         18 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein the container or the package has visible light transmission.   
     
     
         19 . The non-aqueous photocurable ink jet composition storage body according to  claim 12 ,
 wherein moisture permeability of the container or the package is equal to or smaller than 20 g/m 2 ·24 hours.   
     
     
         20 . A recording method comprising:
 delivering the non-aqueous photocurable ink jet composition to discharge nozzles from the non-aqueous photocurable ink jet composition storage body according to  claim 12 , through ink flow paths; and   discharging the non-aqueous photocurable ink jet composition to a recording medium from the discharge nozzles.