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Preparation of Nylon‐6 Particles in Ionic Liquids
Author(s) -
Minami Hideto,
Tarutani Yasunori,
Yoshida Kazuhiro,
Okubo Masayoshi
Publication year - 2010
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.201050207
Subject(s) - ionic liquid , caprolactam , polymer chemistry , tetrafluoroborate , thermal stability , amide , materials science , polymerization , polymer , hydrolysis , nylon 6 , chemical engineering , chemistry , organic chemistry , composite material , engineering , catalysis
Summary: Utilizing the thermal stability of ionic liquid, micrometer‐sized Nylon‐6 particles were successfully prepared by hydrolytic polymerization of ε ‐caprolactam at high temperature with polyvinyl pyrrolidone as stabilizer in ionic liquids, 1‐butyl‐3‐methyl imidazolium tetrafluoroborate, [Bmim][BF 4 ] and N,N‐diethyl‐N‐methyl‐N‐(2‐methoxyethyl)ammonium bis(trifluoro‐methanesulfonyl)amide, [DEME][TFSA]. The obtained particles had a unique shape because Nylon‐6 is a crystalline polymer. Viscosity‐average molecular weights of Nylon‐6 prepared in [Bmim][BF 4 ] and [DEME][TFSA] at 180 °C for 48 h were 4200 and 2200, respectively.