US 12,134,693 B2
Resin composition for ceramic green sheet, ceramic green sheet, and layered ceramic capacitor
Takayuki Maeda, Shiga (JP)
Assigned to SEKISUI CHEMICAL CO., LTD., Osaka (JP)
Appl. No. 17/599,262
Filed by SEKISUI CHEMICAL CO., LTD., Osaka (JP)
PCT Filed Mar. 27, 2020, PCT No. PCT/JP2020/014057
§ 371(c)(1), (2) Date Sep. 28, 2021,
PCT Pub. No. WO2020/203786, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-068378 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0186017 A1, Jun. 16, 2022
Int. Cl. C08L 31/04 (2006.01); C04B 35/634 (2006.01); C08L 29/04 (2006.01); H01G 4/30 (2006.01)
CPC C08L 31/04 (2013.01) [C04B 35/634 (2013.01); C08L 29/04 (2013.01); H01G 4/30 (2013.01)] 7 Claims
 
1. A resin composition for a ceramic green sheet, the resin composition comprising a polyvinyl acetal resin, wherein
the resin composition has a tan δ peak top of 1.25 or more and a loss modulus E″ of 2.30×108 Pa or more, and
the polyvinyl acetal resin has a hydroxy group half-width in terms of mol % of 0.01 to 0.15 mol %/cm−1 as determined by NMR measurement and IR measurement.