Thermoplastic polymers quality control

Castelli, R.; Deplano, M.; Rota, P. M.

doi:10.1007/bf01982691

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…The determination of the heat of fusion from the area of the DSC peak can be performed after establishing a baseline to bind the area that is to be integrated. In this work, the derivative curve is used to calculate the onset temperature,6 the departure of the thermal curve from a horizontal baseline.…”

Section: Methodsmentioning

confidence: 99%

Mechanical characterization of closed-cell polyolefin foams

Rodríguez‐Pérez

Velasco²,

Arencón³

et al. 2000

J. Appl. Polym. Sci.

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Three different experimental techniques [compression experiments at low strain rates, instrumented falling-weight impact tests, and dynamic mechanical analysis (DMA)] have been used for the mechanical characterization of a collection of crosslinked closed-cell polyolefin foams of different chemical compositions, densities, and type of cellular structure. The experimental results that it is possible to obtain from each technique are shown, and related to the different applications of these materials. The relationships between the structure and the mechanical properties are also presented.

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Section: Methodsmentioning

confidence: 99%

Mechanical characterization of closed-cell polyolefin foams

Rodríguez‐Pérez

Velasco²,

Arencón³

et al. 2000

J. Appl. Polym. Sci.

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“…In this work the derivative curve is used to calculate the onset temperature. 4 The morphology of the crystalline phase of the base polymer can be studied by means of the two characteristics properties previously quoted. The crystallinity is related with the size of the crystalline phase, and it is well known that the melting point depends on the crystallite size.…”

Section: Experimental Dsc (Differential Scanning Calorimetry)mentioning

confidence: 99%

Thermal expansion of crosslinked closed-cell polyethylene foams

Rodríguez‐Pérez

Alonso

Duijsens³

et al. 1998

J. Polym. Sci. B Polym. Phys.

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An experimental study on the thermal expansion of a collection of crosslinked low‐density polyethylene (LDPE) foams with closed‐cell structure is presented. The thermal characterization of these materials, the relationships between the linear thermal expansion coefficient and the structure of the foams, and the determination of the variables that can modify the thermal properties of these products are the goals of this work. The experimental results show that the linear thermal expansion coefficient decreases when the density of the foamed material increases. The gas expansion inside the cells is a mechanism that should be taken into account. Moreover, the thermal expansion also depends on the cellular structure. © 1998 John Wiley & Sons, Inc. J. Polym. Sci. B Polym. Phys. 36: 2587–2596, 1998

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Quality Control

Burlett

2008

Recent Advances, Techniques and Applications

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Thermoplastic polymers quality control

Abstract: A technique is proposed for improving the accuracy of the heat of fusion of semierystalline polymers by DSC. The results of three commercially available instruments are compared.

Cited by 4 publications

References 3 publications

Mechanical characterization of closed-cell polyolefin foams

Mechanical characterization of closed-cell polyolefin foams

Thermal expansion of crosslinked closed-cell polyethylene foams

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