1981
DOI: 10.1007/bf01381759
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„Kritische Dehnung” an ausgewählten PVC-Zweistoffsystemen

Abstract: Kritische Dehnung an PVC-HomopolymerenSpannungsrif~bildung (crazing) tritt auf durch Einwirkung mechanischer Spannungen und kann durch benetzende und quellende Umgebungsmedien erleichtert und/oder beschleunigt werden. Die Bildung yon Rissen oder Mikrorissen (crazes) wird dutch irreversible Flie~vor-g~/nge iJber eine Grenzverformung hinaus verursacht.Schon in einer sehr friJhen Arbeit iJber die chemische Best~indigkeit yon PVC deutet Buchmann das Ph/inomen der Spannungsrifgbildung richtig als physikalischen Fli… Show more

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Cited by 3 publications
(2 citation statements)
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“…The primary PVC particles and their aggregates were well distinguishable, since the blending of PVC with the stabilizers took place within the temperature range of 172–178°C, i.e., below their melting point. It is usually presumed that at temperatures above 190–195°C the structure of the primary particles is destroyed 58, 59…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The primary PVC particles and their aggregates were well distinguishable, since the blending of PVC with the stabilizers took place within the temperature range of 172–178°C, i.e., below their melting point. It is usually presumed that at temperatures above 190–195°C the structure of the primary particles is destroyed 58, 59…”
Section: Resultsmentioning
confidence: 99%
“…Even with the lower magnification, the formed domain structure of CPE and the elastomers was well pronounced. These structural formations obviously acted like a binding substance between the globular surfaces of the PVC particles and effectively took the load caused by the impact,59 since the impact strength of the multicomponent blend had the highest value observed (47.3 kJ m −2 ). Therefore, the change in the morphology of the blends, particularly, the transition from brittle to ductile breakage corresponded to the increase of their impact resistance.…”
Section: Resultsmentioning
confidence: 99%