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Investigation of the Flame-Retardant and Mechanical Properties of Bamboo Fiber-Reinforced Polypropylene Composites with Melamine Pyrophosphate and Aluminum Hypophosphite Addition.
Materials (Basel). 2020 Jan 19; 13(2)M

Abstract

To improve the flame-retardant performance of bamboo fiber (BF) reinforced polypropylene (PP) composites, melamine pyrophosphate (MPP) and aluminum hypophosphite (AP) at a constant mass ratio of 2:1 were added. The influence of the MPP/AP mass fraction on the mechanical and flame-retardant properties of the BF reinforced PP composites were evaluated by mechanical testing, limiting oxygen index (LOI) and cone calorimetry. Mechanical tests demonstrate that tensile properties of BF/PP decreased with the increase of MPP/AP mass fraction, while flexural properties of composites exhibited very different tendencies. Both flexural strength and modulus increased slightly with the addition of MPP/AP at first, and then decreased significantly after a relatively high content of MPP/AP was loaded. This was due to the poor interfacial compatibility between PP and MPP/AP. The flame retardancy of BF/PP composites has been greatly improved. When 30% MPP/AP was loaded into the composites, the LOI increased to 27.2%, which was 42.4% higher than that of the composite without flame retardant addition. Cone calorimetry results indicated that MPP/AP worked in both gas and condensed phases during the combustion process. Peak heat release rate, total smoke production and mass loss of the composites were significantly reduced because of the addition of MPP/AP.

Authors+Show Affiliations

Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China. College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, China.College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, China.College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, China.College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, China.Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31963882

Citation

Fang, Lu, et al. "Investigation of the Flame-Retardant and Mechanical Properties of Bamboo Fiber-Reinforced Polypropylene Composites With Melamine Pyrophosphate and Aluminum Hypophosphite Addition." Materials (Basel, Switzerland), vol. 13, no. 2, 2020.
Fang L, Lu X, Zeng J, et al. Investigation of the Flame-Retardant and Mechanical Properties of Bamboo Fiber-Reinforced Polypropylene Composites with Melamine Pyrophosphate and Aluminum Hypophosphite Addition. Materials (Basel). 2020;13(2).
Fang, L., Lu, X., Zeng, J., Chen, Y., & Tang, Q. (2020). Investigation of the Flame-Retardant and Mechanical Properties of Bamboo Fiber-Reinforced Polypropylene Composites with Melamine Pyrophosphate and Aluminum Hypophosphite Addition. Materials (Basel, Switzerland), 13(2). https://doi.org/10.3390/ma13020479
Fang L, et al. Investigation of the Flame-Retardant and Mechanical Properties of Bamboo Fiber-Reinforced Polypropylene Composites With Melamine Pyrophosphate and Aluminum Hypophosphite Addition. Materials (Basel). 2020 Jan 19;13(2) PubMed PMID: 31963882.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Investigation of the Flame-Retardant and Mechanical Properties of Bamboo Fiber-Reinforced Polypropylene Composites with Melamine Pyrophosphate and Aluminum Hypophosphite Addition. AU - Fang,Lu, AU - Lu,Xizhen, AU - Zeng,Jian, AU - Chen,Yingyi, AU - Tang,Qiheng, Y1 - 2020/01/19/ PY - 2019/12/13/received PY - 2020/01/12/revised PY - 2020/01/17/accepted PY - 2020/1/23/entrez KW - aluminum hypophosphite KW - bamboo fiber/polypropylene composites KW - flame retardancy KW - melamine pyrophosphate JF - Materials (Basel, Switzerland) JO - Materials (Basel) VL - 13 IS - 2 N2 - To improve the flame-retardant performance of bamboo fiber (BF) reinforced polypropylene (PP) composites, melamine pyrophosphate (MPP) and aluminum hypophosphite (AP) at a constant mass ratio of 2:1 were added. The influence of the MPP/AP mass fraction on the mechanical and flame-retardant properties of the BF reinforced PP composites were evaluated by mechanical testing, limiting oxygen index (LOI) and cone calorimetry. Mechanical tests demonstrate that tensile properties of BF/PP decreased with the increase of MPP/AP mass fraction, while flexural properties of composites exhibited very different tendencies. Both flexural strength and modulus increased slightly with the addition of MPP/AP at first, and then decreased significantly after a relatively high content of MPP/AP was loaded. This was due to the poor interfacial compatibility between PP and MPP/AP. The flame retardancy of BF/PP composites has been greatly improved. When 30% MPP/AP was loaded into the composites, the LOI increased to 27.2%, which was 42.4% higher than that of the composite without flame retardant addition. Cone calorimetry results indicated that MPP/AP worked in both gas and condensed phases during the combustion process. Peak heat release rate, total smoke production and mass loss of the composites were significantly reduced because of the addition of MPP/AP. SN - 1996-1944 UR - https://www.unboundmedicine.com/medline/citation/31963882/Investigation_of_the_Flame_Retardant_and_Mechanical_Properties_of_Bamboo_Fiber_Reinforced_Polypropylene_Composites_with_Melamine_Pyrophosphate_and_Aluminum_Hypophosphite_Addition_ L2 - http://www.mdpi.com/resolver?pii=ma13020479 DB - PRIME DP - Unbound Medicine ER -
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