Modification of polypropylene-polyurethane elastomer blends with resole type phenolic resins, effect on structure and properties

Wen Yen Chiang, B. Pukánszky, Wen Chao Wu

Research output: Contribution to journalArticle

Abstract

Polypropylene (PP)/polyurethane elastomer (PU) blends were prepared in a wide composition range, between 0 and 50 w% PU content. The blends were modified with two resole-type phenolic prepolymers. Crystalline and dispersed phase morphology of the blends was studied by wide angle x-ray scattering (WAXS), differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA) measurements. Mechanical properties (tensile, impact), shrinkage and stability was measured as a function of composition. The results indicate that introduction of the phenolic resin modifies the structure and properties of all phases and also the interaction between them. This modification leads to the improvement of some properties, but practical utilization of this techniques requires additional research and optimization study.

Original languageEnglish
Pages (from-to)2230-2233
Number of pages4
JournalJournal of Engineering and Applied Science
Volume2
Publication statusPublished - 1996

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Phenolic resins
Elastomers
Polyurethanes
Polypropylenes
Dynamic mechanical analysis
Chemical analysis
Differential scanning calorimetry
Scattering
Crystalline materials
X rays
Mechanical properties
Scanning electron microscopy

ASJC Scopus subject areas

  • Engineering(all)

Cite this

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abstract = "Polypropylene (PP)/polyurethane elastomer (PU) blends were prepared in a wide composition range, between 0 and 50 w{\%} PU content. The blends were modified with two resole-type phenolic prepolymers. Crystalline and dispersed phase morphology of the blends was studied by wide angle x-ray scattering (WAXS), differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA) measurements. Mechanical properties (tensile, impact), shrinkage and stability was measured as a function of composition. The results indicate that introduction of the phenolic resin modifies the structure and properties of all phases and also the interaction between them. This modification leads to the improvement of some properties, but practical utilization of this techniques requires additional research and optimization study.",
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AU - Chiang, Wen Yen

AU - Pukánszky, B.

AU - Wu, Wen Chao

PY - 1996

Y1 - 1996

N2 - Polypropylene (PP)/polyurethane elastomer (PU) blends were prepared in a wide composition range, between 0 and 50 w% PU content. The blends were modified with two resole-type phenolic prepolymers. Crystalline and dispersed phase morphology of the blends was studied by wide angle x-ray scattering (WAXS), differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA) measurements. Mechanical properties (tensile, impact), shrinkage and stability was measured as a function of composition. The results indicate that introduction of the phenolic resin modifies the structure and properties of all phases and also the interaction between them. This modification leads to the improvement of some properties, but practical utilization of this techniques requires additional research and optimization study.

AB - Polypropylene (PP)/polyurethane elastomer (PU) blends were prepared in a wide composition range, between 0 and 50 w% PU content. The blends were modified with two resole-type phenolic prepolymers. Crystalline and dispersed phase morphology of the blends was studied by wide angle x-ray scattering (WAXS), differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA) measurements. Mechanical properties (tensile, impact), shrinkage and stability was measured as a function of composition. The results indicate that introduction of the phenolic resin modifies the structure and properties of all phases and also the interaction between them. This modification leads to the improvement of some properties, but practical utilization of this techniques requires additional research and optimization study.

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