高分子化学与物理基础(魏无忌)答案(21)
发布时间：2021-06-09
5．解：
（1）
(CH3)2CN
CN
NC(CH3)2
引发：
CN
N2 + 2(CH2)C (R )
..
C
R
.+
CH3
CH2
CCH3COOCH
3
R
CH2
.
3
COOCH
增长：
CH3
R
CH2C
.
CH3
+
CH2
3)COOCH3
RCH2
CH2
CH3C
.
CH3
COOCH3
COOCH3COOCH3
……
CH3
R(CH2
C
CH2
3
n-1
.
COOCHCOOCH3
终止：
CH3
R
CH2
C
CH2
CH3CH3
+R
CH2
C
CH2
CH3..
COOCH3COOCH3COOCH3COOCH3
CH3
R
CH2
CH2
CH3H
+
R
CH2
CH3mCH2
2COOCH3
COOCH3COOCH3COOCH3
CH3
R
CH2
C
nCH2
CH3COOCH3
CH3CH2
CH3C
CH2)mR
COOCH3COOCH3COOCH3
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