Influence of stress and the nature of the adsorption-active medium on the amount of crazes appearing in polyethylene terephthalate during uniaxial stretching of the polymer under creep conditions

The influence of stress and of the nature of the adsorption-active medium on the amount of crazes formed in PETP during uniaxial stretching has been investigated under the action of a constant load in liquid media. Critical conditions for the development of crazes were determined in relation to stre...

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Bibliographic Details
Published in:Polymer science USSR 1989, Vol.31 (7), p.1695-1701
Main Authors: Yarysheva, L.M., Chernov, I.V., Kabal'nova, L.Yu, Volynskii, A.L., Bakeyev, N.F., Kozlov, P.V.
Format: Article
Language:English
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Summary:The influence of stress and of the nature of the adsorption-active medium on the amount of crazes formed in PETP during uniaxial stretching has been investigated under the action of a constant load in liquid media. Critical conditions for the development of crazes were determined in relation to stress and the degree of reduction of surface energy at the polymer-liquid interface. Superposition of the influence of stress and of surface energy at the polymer-liquid interface was found to affect both the total number of crazes and the critical conditions of their formation.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(89)90520-0