Abstract : the photografting polymerization of n - vinyl pyrrolidone ( nvp ) on the surface of ldpe film with photo grafting method was studied and ldpe - g - nvp was chara cterized by ftir qualitatively 文摘:采用一步法和二步法研究了聚乙烯薄膜表面的n -乙烯基吡咯烷酮光接枝反應,并用傅立葉變換紅外光譜儀定性表征了反應結果。