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Title: Mechanical properties and morphology for polypropylene composites filled with microencapsulated red phosphorus
Authors: Liang, JZ
Feng, JQ
Tsui, CP 
Tang, CY 
Huang, WF
Keywords: Fractography
Fracture toughness
Mechanical testing
Polymer-matrix composites
Toughening mechanisms
Issue Date: 2014
Publisher: Wiley
Source: Polymers for advanced technologies, 2014, v. 25, no. 3, p. 347-352 How to cite?
Journal: Polymers for advanced technologies 
Abstract: The effects of the microencapsulated red phosphorus (MRP) content and specimen thickness on the mechanical properties of the filled polypropylene (PP) composites were studied at room temperature. The results showed that the influence of the MRP on the tensile and impact properties of the composites was significant, and the Young's modulus and impact strength of the composites increased nonlinearly while the tensile strength decreased slightly with increasing the MRP weight fraction; the tensile elongation at break increased outstandingly when the MRP weight fraction was less than 2% and then decreased with increasing the MRP weight fraction. Furthermore, the impact fracture surface was examined by scanning electronic microscope. The results suggested that the toughening effect was attributed to the absorption of impact fracture energy by the microencapsulated layer.
ISSN: 1042-7147
EISSN: 1099-1581
DOI: 10.1002/pat.3248
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