Intumescent flame retardation and silane crosslinking of PP/EPDM elastomer

2009 ◽  
Vol 20 (4) ◽  
pp. 393-403 ◽  
Author(s):  
Zhengzhou Wang ◽  
Shun Zhou ◽  
Yuan Hu
Keyword(s):  
Flame Retardation ◽  
Intumescent Flame Retardation

Intumescent flame retardation of polypropylene/bamboo fiber semi-biocomposites

2012 ◽  
Vol 111 (1) ◽  
pp. 425-430 ◽  
Author(s):  
Shibin Nie ◽  
Xueli Liu ◽  
Kun Wu ◽  
Guanglong Dai ◽  
Yuan Hu
Keyword(s):  
Bamboo Fiber ◽  
Flame Retardation ◽  
Intumescent Flame Retardation

scholarly journals Influence of Magnesium Aluminate Nanoparticles on Epoxy-Based Intumescent Flame Retardation Coating System

Coatings ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 968
Author(s):  
Hatem Abuhimd ◽  
Tentu Nageswara Rao ◽  
Jung-il Song ◽  
Prashanthi Yarasani ◽  
Faheem Ahmed ◽  
...  
Keyword(s):  
Heat Release ◽  
Flame Retardant ◽  
Magnesium Aluminate ◽  
Coating System ◽  
Limiting Oxygen Index ◽  
Foaming Agents ◽  
Peak Heat Release Rate ◽  
Flame Retardation ◽  
Coating Formulation ◽  
Intumescent Flame Retardation

Ethylenediamine modified ammonium polyphosphate (EDA-MAPP) and charring-foaming agents (CFA) were prepared using a simple chemical method and further used to make intumescent flame retardant coatings based on epoxy resin. The content of MAPP and CFA was fixed at a ratio of 2:1. Nanoparticles of magnesium aluminate (MgAl2O4 NPs) have been introduced into the flame retardant coating formulation in various quantities to evaluate the promotional action of MgAl2O4 NPs with a flame retardant coating system. The promotional action of MgAl2O4 NPs on the flame retardant coating formulation was studied using a vertical burning test (UL-94V), limiting oxygen index (LOI), thermogravimetric analysis (TGA) and Fourier transform infra-red spectroscopy (FTIR). The UL-94V results indicated that the addition of MgAl2O4 effectively increased flame retardancy and met the V-0 rating at each concentration. The TGA results revealed that the incorporation of MgAl2O4 NPs at each concentration effectively increased the thermal stability of the flame retardant coating system. Cone-calorimeter experiments show that MgAl2O4 NPs effectively decreased peak heat release rate (PHRR) and total heat release (THR). The FTIR results indicated that MgAl2O4 NPs can react with MAPP and generate a dense char layer that prevents the transfer of oxygen and heat.

scholarly journals Influence of Antimony Oxide on Epoxy Based Intumescent Flame Retardation Coating System

Polymers ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 2721
Author(s):  
Riyazuddin Riyazuddin ◽  
Samrin Bano ◽  
Fohad Mabood Husain ◽  
Rais Ahmad Khan ◽  
Ali Alsalme ◽  
...  
Keyword(s):  
Heat Release ◽  
Thermo Gravimetric Analysis ◽  
Synergistic Action ◽  
Ammonium Polyphosphate ◽  
Gravimetric Analysis ◽  
Coating System ◽  
Thermo Gravimetric ◽  
Flame Retardation ◽  
Coating Formulation ◽  
Intumescent Flame Retardation

Ethylenediamine modified Ammonium polyphosphate (EDA-MAPP), and Charring-Foaming Agents (CFA) was prepared via a simple chemical approach and further utilizes for the preparation of Epoxy resin based intumescent flame retardation coatings. The ratio belongs to MAPP and CFA was fixed at 2:1 ratio. Comparative thermo gravimetric analysis TGA study of Modified Ammonium polyphosphate (MAPP) and Ammonium polyphosphate (APP) investigated. Sb2O3 was introduced into flame retardation coating formulation at various amounts to evaluate the synergistic action of Sb2O3 along with flame retardant coating system. The synergistic action of Sb2O3 on flame retardation coating formulation was studied by vertical burning test (UL-94V), thermo gravimetric analysis (TGA), Limited Oxygen Index (LOI), and Fourier Transform Infra-Red spectroscopy (FTIR). The UL-94V results indicated that adding Sb2O3 effectively increased flame retardancy and meets V-0 ratings at each concentration. The TGA results revealed that the amalgamation of Sb2O3 at each concentration effectively increased the thermal stability of the flame retardant coating system. Cone-calorimeter study results that Sb2O3 successfully minimized the combustion parameters like, Peak Heat Release Rate (PHRR), and Total Heat Release (THR). The FTIR result shows that Sb2O3 can react with MAPP and generates the dense-charred layer which prevents the transfer of heat and oxygen.

Flame Retardation of Plain Weave Fabrics Made of Polyacrylonitrile Pre-Oxidized Yarns

2011 ◽  
Vol 175-176 ◽  
pp. 465-468 ◽  
Author(s):  
Lei Shi ◽  
Hua Wu Liu ◽  
Ping Xu ◽  
Dang Feng Zhao
Keyword(s):  
Mechanical Properties ◽  
Flame Retardant ◽  
Oxygen Index ◽  
Limiting Oxygen Index ◽  
Plain Weave ◽  
Weave Fabric ◽  
Short Period ◽  
Flame Retardation ◽  
Fabric Structures

Plain weave fabrics of polyacrylonitrile pre-oxidation yarns (PANOF) were prepared by small rapier loom. The flame retardation properties, mechanical properties and wear behaviors of PANOF plain weave fabrics were tested. The limiting oxygen index (LOI) of these PANOF plain weave fabric samples was 31%, which meets the criterion of flame-retardant fabrics. These fabrics neither melt nor shrunk when left in flame for a short period of time and the fabric structures were well maintained. Compared with flammable polyacrylonitrile fabrics, the polyacrylonitrile pre-oxidation fabrics exhibited excellent flame retardation properties, with satisfactory mechanical properties and comfortable handle.

Sign in / Sign up

Export Citation Format

Share Document