1972
DOI: 10.1002/apmc.1972.050250105
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Rheologische Untersuchungen an Polyvinylalkohol‐Lösungen

Abstract: ZUSAMMENFASSUNG :Eingehende rheologische Untersuchungen von Polyvinylalkohol-Losungen in Warser erstrecken sich auf das FlieDverhalten bei hohem und geringem Geschwindigkeitsgefkille sowie auf Elastizitiitsmessungen. Es zeigte sich, daD in keinem Fall Flieokurven mit Wendepunkten erhalten werden konnten, und daD auch der Obergang von der Partikel-Losung zur Netzwerk-Losung nicht der Theorie entsprach. Es wird &her eine Modifizierung des bisherigen Modells der Netzwerklosung vorgeschlagen, indem zwischen Netzwe… Show more

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Cited by 20 publications
(1 citation statement)
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“…The formation of such structures is affected by the tacticity of the polymer and by the content of residual acetate groups [4]. These structures are supposedly formed also in dilute solutions [5] and contain amorphous and paracrystalline parts [5][6][7], the mutual ratio of which depends on experimental conditions during the preparation of solutions, and predominantly on the dissolution temperature. On the other hand, however, the process of ageing is affected not only by the dissolution temperature, but also by the temperature at which the ageing takes place, by the temperature prehistory of solutions, by the polymer concentration in solution and by the kind of the solvent [8][9][10][11].…”
mentioning
confidence: 99%
“…The formation of such structures is affected by the tacticity of the polymer and by the content of residual acetate groups [4]. These structures are supposedly formed also in dilute solutions [5] and contain amorphous and paracrystalline parts [5][6][7], the mutual ratio of which depends on experimental conditions during the preparation of solutions, and predominantly on the dissolution temperature. On the other hand, however, the process of ageing is affected not only by the dissolution temperature, but also by the temperature at which the ageing takes place, by the temperature prehistory of solutions, by the polymer concentration in solution and by the kind of the solvent [8][9][10][11].…”
mentioning
confidence: 99%