1·The adsorption conditions and effects on poly-phenol in Aloe vera gel with cross linked polyvinyl pyrrolidone (PVPP) was studied in this paper.
研究了交联聚乙烯吡咯烷酮(PVPP)吸附库拉索芦荟凝胶液中多酚的条件和效果。
2·The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
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应,并用傅立叶变换红外光谱仪定性表征了反应结果。
3·The terpolymers of the invention: (a) a vinyl lactam, such as vinyl pyrrolidone or vinyl caprolactam;
发明的三元:(一)一乙烯基酰胺,如聚乙烯吡咯烷酮或乙烯基己内酰胺;