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Porosity control in nylon‐6/nylon‐6, 6 membranes
Author(s) -
Tanaka Nobuyuki
Publication year - 1996
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.19961020150
Subject(s) - membrane , porosity , materials science , chemical engineering , nylon 6 , phase (matter) , methanol , polymer chemistry , composite material , chemistry , polymer , organic chemistry , biochemistry , engineering
The possibility of porosity control in N6/N66 membranes prepared from N6/N66 blend solutions of calcium chloride – methanol mixture was investigated. For N6/N66 blend solutions at 10 °C and 20 °C, the four‐phase structure of solid, gel 1, gel 2 and solution was observed clearly in the pore formation process after adding water on a solution surface. In the boundary part between gel 1 and gel 2, the phase separation of N6 and N66 was predicted. The macroscopic pores of blend membranes prepared at 10°C and 20 °C were almost spherical.
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