GAS SEPARATION COMPOSITE MEMBRANE AND GAS SEPARATING MODULE, GAS SEPARATION APPARATUS AND GAS SEPARATION METHOD USING THE SAME
申请人:FUJIFILM Corporation
公开号:US20140130668A1
公开(公告)日:2014-05-15
A gas separation composite membrane, containing a gas-permeable supporting layer and a gas separating layer containing a crosslinked polyimide resin over the gas-permeable supporting layer, in which the crosslinked polyimide resin has structure in which a polyimide compound is crosslinked through a specific crosslinking chain, the specific crosslinking chain has at least one kind of linking group selected from the group consisting of —NR
a
C(═O)—, —NR
b
C(═O)O—, —CH
2
OCH
2
—, —CH
2
SCH
2
—, —OC(═O)O—, —C(═O)O
−
N
+
(R
c
)
3
—, —SO
3
−
N
+
(R
d
)
3
— and —PO
3
−
N
+
(R
e
)
3
—, and R
a
, R
b
, R
c
, R
d
and R
e
each independently represent a hydrogen atom or a substituent.