水蒸気吸着時におけるセロハンの力学的性質 : 高分子レオロジー

概要

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Analyzing mechanical elongation of polymer films having water-sensitive functional group such as hydroxyl group under the diffusion controlled condition, we intended to study the mechanism of diffusion of water into polymer films at various temperatures and under various relative humidities. While one of us has already reported a work on polyvinyl alcohol and in its formalized films, this is to be presented our measurement in the creeps and the adsorption for uncoated cellophanes. Although a report on the theoretical treatments of the results has been made, the following brief account is given. it is assumed that crystalline region and amorphous region in polymer films are evidently distinguishable, and that a elastomer characteristically corresponds to the network and to the network-chainin vulcanized rubber. When stress is applied, the hydrogen bonds, water-sensitive and resistive to elongation, are partially broken and the resultant strains, in the form of elongation, appear.
社団法人日本材料学会の論文
1960-04-15