Ceramic green sheet lamination aid and ceramic green sheet composition

A ceramic green sheet composition comprising 0.01 to 5 mass % of a component (A) described below, 1 to 25 mass % of a component (B) described below, 70 to 98 mass % of a component (C) described below, and a polymer dispersant comprising a polyether group and a carboxyl group, said polymer dispersant being contained in a ratio of 0.1 to 10 mass parts with respect to 100 mass parts of a total amount of said component (A), said component (B) and said component (C),

• said component (A):
• a lamination aid for a ceramic green sheet, said lamination aid comprising a compound represented by a formula (1), and said lamination aid suppressing lamination misalignment of said ceramic green sheet:
• Z—[O-(AO)n-H]x (1)
• wherein in the formula (1),
• Z represents a residual group of 3, 5, 5-trimethyl hexanol having a hydroxyl group of 1 in which said hydroxyl group is removed;
• x represents a number of 1;
• AO represents an oxyalkylene group having a number of carbons of 2 to 3, said oxyalkylene group AO comprising oxyethylene group EO and oxypropylene group PO;
• n represents a number of 5 to 500;
• x×n is in a range of 5 to 500;
• wherein said oxyethylene group EO and said oxypropylene group PO are added in block addition mode, and
• a weight ratio of oxyethylene group EO contained in said oxyalkylene group AO having the number of carbons of 2 to 3 is 80 weight % or lower,
• said component (B):
• polyvinyl butyral;
• and
• said component (C):
• ceramic powder.