and the viscosity after standing is less than 25 a the rate of change between the initial viscosity and the viscosity after standing is from u00b1 25 to less than u00b1 50 b the rate of change between the initial viscosity and the viscosity after standing is from u00b1 50 to less than u00b1 50 c the rate of change between the initial viscosity and the viscosity after standing is 100 or more table 3 example 3 comparative example 3 example 1 example 2 a b comparative example 1 comparative example 2 a b aa aa aa aa b c aa b example 6 comparative example 6 example 4 example 5 a b comparative example 4 comparative example 5 a b aa aa a aa b c a b example 9 comparative example 9 example 7 example 8 a b comparative example 7 comparative example 8 a b a a a aa b c a c example 12 comparative example 12 example 10 example 11 a b comparative example 10 comparative example 11 a b a a a a b c a c utilizing a px g900 ink jet printer manufactured by seiko epson corporation and using the above mentioned ultraviolet curing type ink compositions solid pattern printing was performed on a pc sheet manufactured by teijin chemicals co ltd panlite sheet at ordinary temperature and.