GAS-BARRIER MATERIAL, GAS-BARRIER MOLDED ARTICLE, AND METHOD FOR PRODUCING THE GAS-BARRIER MOLDED ARTICLE

摘要

Disclosed is a gas-barrier molded article having high permeation barrier properties against an oxygen gas, water vapor and the like.  Specifically disclosed is a gas-barrier material which comprises cellulose fibers and additionally a cross-linking agent having a reactive functional group, or comprises a dried or heated product of the cellulose fibers, wherein the cellulose fibers contain an average fiber diameter of 200 nm or less, and wherein cellulose that constitutes the cellulose fibers has a carboxyl group content of 0.1 to 2 mmol/g.  Also specifically disclosed is a gas-barrier molded article which comprises a molded article that serves as a base and a layer comprising the gas-barrier material and formed on the surface of the molded article.