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Coating composition for forming gas barrier layer, gas barrier film, and method for producing gas barrier film
Coating composition for forming gas barrier layer, gas barrier film, and method for producing gas barrier film
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机译:用于形成阻气层的涂料组合物,阻气膜以及阻气膜的制造方法
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摘要
Provided are a coating composition for forming a gas barrier layer as configured such that a specific compound having two or more 5-membered cyclic carbonate groups and a compound having two or more amino groups are reactable at an equivalent ratio of functional groups of 0.8 to 1.25 to form the gas barrier layer with a polyhydroxyurethane resin as a principal component; a gas barrier film formed of a single layer or multiple layers, at least one of the layer or layers that forms or form the film is a layer that exhibits gas barrier properties, and the layer is formed of a polyhydroxyurethane resin having a specific chemical structure; and a production method of a film having gas barrier properties. Owing to the use of the specific polyhydroxyurethane resin, the coating composition, gas barrier film and production method readily enable to reduce moisture-dependent variations in gas barrier properties, to avoid the production of noxious fumes upon incineration disposal, to provide excellent processability, and to lower the pollutant load on the environment.
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