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Digitale Medien

Influence of annealing on the density and tensile properties of polypropylene (1966)

Schotland, R. S.

Stamford, Conn. [u.a.] : Wiley-Blackwell

Polymer Engineering and Science 6 (1966), S. 244-247

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ISSN: 0032-3888

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: The density and tensile property changes in polypropylene resulting from various post-crystallization aging procedures are investigated with the aim of (1) establishing standard procedures for the evaluation of these properties and (2) determining which conditioning treatment will provide optimum tensile properties. The morphology and resultant tensile behavior of polypropylene are particularly sensitive to conditioning treatments in the temperature range 145-160°C. A procedure for compression molding plaques, carrying out isothermal annealing treatment in the 100-170°C range and gradual cooling is described. The dependence on annealing temperature of the density, elongation, tensile modulus and yield stress is given.

Zusätzliches Material: 10 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pen.760060312

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Digitale Medien

Phase transition of crystalline polybutene-1 in form III (1963)

Geacintov, C. ; Schotland, R. S. ; Miles, R. B.

New York : Wiley-Blackwell

Journal of Polymer Science Part B: Polymer Letters 1 (1963), S. 587-591

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ISSN: 0449-2986

Schlagwort(e): Chemistry ; Polymer and Materials Science