ポリアリレートの溶剤クレージング

概要

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The critical strains ε_c for crazing of polyarylate, polycarbonate, and polysulfone in a variety of organic liquids have been measured by means of three-point bending jig. The ε_c of these polymers were small in methyl ethyl ketone, carbon tetrachloride, and toluene. In linear alcohols ε_c decreased in the order of methyl, ethyl, propyl, and butyl alcohol. In the case of polyarylate, the correlation of ε_c with solubility parameter of the crazing liquid was poor. The ε_c were rather closely correlated with the degree of swelling by crazing liquid. On the basis of these results, the solvent crazing of polyarylate could be explained on the plasticization mechanism proposed by Kambour.
社団法人日本材料学会の論文
1978-10-15