Importance

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Abstract

Provided are an element sealing resin composition for organic electronic devices, which promotes a balance between the water vapor barrier properties and adhesiveness, decreases the water content, and sufficiently suppresses the generation of outgases, so that consequently the service life of an element for organic electronic devices can be lengthened, and which gives a satisfactory external appearance when used to seal an organic electronic device; an element sealing resin sheet for organic electronic devices; an organic electroluminescent element; and an image display apparatus. Disclosed is an element sealing resin composition for organic electronic devices, comprising a polyisobutylene resin (A) having a weight average molecular weight (Mw) of 10,000 to 300,000 and a hydrogenated cyclic olefin-based polymer (B), and having a water content according to the Karl-Fischer method of 500 ppm or less and an amount of outgas generation of 500 ppm or less when heated at 85° C. for 1 hour.

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First Claim