writer：Tao Yu，Yan Li, Yonglong Wang
keywords：ramie, poly(lactic acid), 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO), flammability, mechanical properties
source：会议
specific source：ACCM-8
Issue time：2012年
Ramie  as  a  kind  of  natural  fibers  reinforced  poly(lactic  acid)(PLA)  composites have  received  a  lot  of  research  attention  because  of  their  excellent  biodegradablity.
However,  poor  flammability  of  the  composites  limited  the  application  of  the  composites  such automobile and aircraft interior area.
In  the  present  study,  9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide  (DOPO)  was incorporated into the ramie fiber reinforced composites. Flame retardancy of the comp osites was greatly improved according to the UL94 vertical test and limiting oxygen index measurements. Enhanced  char  yield  at  higher  temperatures  was  observed  according  to  the  TGA  results.  The influence of DOPO on the mechanical properties of the composites was also studied.