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Preparation of iron aluminate with activated carbon template and its flame retardant application on flexible PVC
Received date: 2019-08-10
Online published: 2020-02-26
With iron sulfate and aluminum sulfate as raw materials,iron aluminate flame retardant was prepared using acti-vated carbon treated with phosphoric acid as template.The prepared iron aluminate was investigated by X-ray diffraction（XRD） and infrared spectroscopy（FT-IR）.The flame retardant and smoke dissipation property of iron aluminate flame retar-dant on flexible polyvinyl chloride（PVC） were characterized by the limiting oxygen index test（LOI） and smoke density test（SDR）.The results showed when the amount of 5%（mass fraction） iron aluminate was used,LOI and SDR was 32.8% and 55.45%,respectively,tensile strength was 18.36 MPa,elongation was 214%.The thermal degradation of flame retardant PVC were studied by using thermal analysis（TG）.The results demonstrated that iron aluminate can be used as a highly effective flame retardant for flexible PVC.
Key words： iron aluminate; flexible PVC; smoke dissipation; flame retardant
Lingzhi Chen , Na Liu , Huijuan Sun , Ruihong Wu . Preparation of iron aluminate with activated carbon template and its flame retardant application on flexible PVC[J]. Inorganic Chemicals Industry, 2020 , 52(2) : 35 -37 . DOI: 10.11962/1006-4990.2019-0177
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