| abstract |
The present invention pertains to a resin composition containing: a modified vinyl acetal resin which contains, based on the total monomer unit constituting the resin, 20-80 mol% ethylene unit and 4-76 mol% vinyl alcohol unit, and has an acetalization degree of 5-80 mol%; and an alkali metal salt of a strong acid and/or an alkaline earth metal salt, wherein the total content of the alkali metal salt of a strong acid and/or an alkaline earth metal salt is 0.0005-0.06 parts by mass with respect to 100 parts by mass of the modified vinyl acetal resin. |