/ 49740052
KBr holder 4000cm-1~450cm-1 8 2cm-1
(Transform Infrared Spectrometer, FTIR)
(H2SO4HNO33:1)
1 FTIR
3410cm-11714cm-11210cm-1 O-HC=OC-O
2993cm-12875cm-1 C-H
1581cm-1 C=C
1(a)0hr(b)12hr (c)24hr (d)36hrFTIR
/
/ ()()
urethane group
1. urethane group C=OO-H2. urethane group N-H C=O FTIR
2 () ()()
/ FTIR FTIR
3 / (a)0 wt%(b)1 wt%(c)5 wt%(d)10 wt% FTIR
/12hr
3 3300cm-1N-H 12hr 1%(shift)3289cm-1 5% 3281cm-1 10% 3265cm-1
12hr N-H 12hr()
C=O 1. C=O 1730cm-1 2. C=O 1708cm-1
4 C=O 1730cm-1 1708cm-1 12hr 1%1730cm-1 1708cm-1 5%1708cm-1 1730cm-1 10%
4 /12hr (a)0 wt%(b)1 wt%(c)5 wt%(d)10 wt% FTIR
/24hr /36hr FTIR 4
N-H C=O
5 /24hr (a)0 wt%(b)1 wt%(c)5 wt%(d)10 wt% FTIR
6 /36hr (a)0 wt%(b)1 wt%(c)5 wt%(d)10 wt% FTIR
(FTIR)
FTIR N-H free C=0 C=O
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