TY - GEN
T1 - APP-CaMMT nanocompounds and their intumescent flame retardancy in polypropylene
AU - Ye, Chunxue
AU - Yi, Deqi
AU - Yang, Rongjie
PY - 2013
Y1 - 2013
N2 - Calcium ion based montmorillonite (CaMMT) is a natural mineral without experiencing an ionic exchange with sodium ion. Nanocompounds (APP-CaMMT) of ammonium polyphosphate with CaMMT were prepared through in-situ polymerization. Their structures were studied by XRD. The APP-CaMMT nanocompounds with dipentaerythritol (DPER) together were applied to intumescent flame retarded polypropylene (PP/IFR) composites, while the PP composites with mixture of APP and micro-CaMMT were prepared for comparison. Their fire properties were studied by using limited oxygen index (LOI) measurements, UL-94 testing, thermogravimetric analysis (TGA) and Cone calorimeter. It was found that the APP-CaMMT nanocompounds enhanced the flame retardancy of the PP/IFR compared with the crystal form II APP and the mixture of APP and micro-CaMMT by increasing LOI, decreasing pHRR, and passing UL-94 V-0 rating.
AB - Calcium ion based montmorillonite (CaMMT) is a natural mineral without experiencing an ionic exchange with sodium ion. Nanocompounds (APP-CaMMT) of ammonium polyphosphate with CaMMT were prepared through in-situ polymerization. Their structures were studied by XRD. The APP-CaMMT nanocompounds with dipentaerythritol (DPER) together were applied to intumescent flame retarded polypropylene (PP/IFR) composites, while the PP composites with mixture of APP and micro-CaMMT were prepared for comparison. Their fire properties were studied by using limited oxygen index (LOI) measurements, UL-94 testing, thermogravimetric analysis (TGA) and Cone calorimeter. It was found that the APP-CaMMT nanocompounds enhanced the flame retardancy of the PP/IFR compared with the crystal form II APP and the mixture of APP and micro-CaMMT by increasing LOI, decreasing pHRR, and passing UL-94 V-0 rating.
UR - http://www.scopus.com/inward/record.url?scp=84901724801&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84901724801
SN - 9781632663122
T3 - 24th Annual Conference on Recent Advances in Flame Retardancy of Polymeric Materials 2013
SP - 193
EP - 195
BT - 24th Annual Conference on Recent Advances in Flame Retardancy of Polymeric Materials 2013
PB - BCC Research
T2 - 24th Annual Conference on Recent Advances in Flame Retardancy of Polymeric Materials 2013
Y2 - 20 May 2013 through 22 May 2013
ER -