第
35
卷第
6
期
青岛科技大学学报(自然科学版
Vo
l.
35
No.6
20H
年
12
月
Journal
of Qingdao University of Science and Technology( Natural Science Edition)
Dec.20H
文章编号:
1672-6987(201
门
06-0567-05
以衣康酸单醋纳盐为乳化剂制备
St/BA/EHA
共聚乳液
方
E
冀,杨月静,许
军,武玉民头
(青岛科技大学化|学院,山东青岛
2
(i(i
0~2)
摘
要:以苯乙烯
(S
t)、丙烯酸丁醋
CBA)
,丙烯酸异辛醋
(EHA)
为羊休,过硫酸苦甲
(KPS)
为引发剂,以自制圣基因分聚氧乙烯耻
(10)
衣康酸羊醋磺酸二纳盐为乳化剂,采用乳液聚合
法合成
St/BA/EHA
三元共聚乳液。系统考察了乳化剂、引发剂、反应温度和羊体滴加
方式对乳液聚合影响
O
确定了乳液合成的较佳条件:乳化剂质量分数
2.1
%
~2.
7%
,引
发剂质量分数
0.6%
,反应温度
80~85
'C
及禾用连续性滴加羊体的方式
O
借助于激光粒
度分布仪、
FT-IR
、
DSC
和
GPC
对共聚乳液进行了表征,结果表明:共聚乳液的平均粒径
为
100~180
口
m
,玻璃化转变温度
T
g
为
17.7
'C
,共聚物的重均摩尔质量为1.川
X
10
é
g'
mol-
1
o
衣康酸羊脂纳盐乳化剂的乳化性能良好,能够应用于苯丙乳液的制备过程
O
并
与以十二位基硫酸纳为乳化剂和
l
备的共聚乳;夜在施月之性能方面进行了比较,结果表明,以
衣康酸羊西旨纳盐为乳化剂和
l
备的乳;夜纸张抗水性较强
,
Cobb
值可达
12.6
g'
m-
2
关键词:衣康酸羊西旨纳盐;乳化剂;乳液聚合;苯丙乳;夜
Cobb
值
中图分类号:
TQ
316.
33
文献标志码
:A
Preparation of
St/BA/EHA
Emulsion Using Disodium Nonylphenol
Polyoxyethylene Monoester Sulfoitaconate as Emulsifier
FANC
Pu
,
YANC
Yue-jing
,
XU
Jun
,
飞司
(U
Yu-min
(
(飞。
llege
of
Chemical
Engineering
,
Qingclao
University
of
Science
ancl
Technology
,
Qingclao
2
(i(i
0~2
,
China)
Abstract:
U
si
口
g
styrene
(S
t)
,
ηbutyl
acrylate
(BA)
and
ethylhexyl
acrylate
(EHA)
as
raw
materials
,
potassium
persulfate
(KPS)
as
initiator
and
disodium
口
onylphe
口
01
polyoxyethylene
monoester
sulfoitaconate
as
new
emulsifier
,
the
St/BA/EHA
copoly
mer
emulsion
was
prepared
by
emulsion
polymerization.
Effects
of
the
amount
of
emul
sifier
,
initiator
,
temperature
,
monomers
adding
and
stirring
rate
were
investigated.
The
optimum
reaction
condition
of
St/BA/EHA
copolymer
emulsion
were
as
follows:
emul
幻
fier
amount
2. 1
%-2.7
% ,
initiator
amount
O.
6
%,
temperature
80-85
'C
and
contin
uous
adding
monomers.
The
copolymer
was
characterized
by
Nano
ZS90
laser
particle
size
analyzer
,
FT-IR
,
DSC
and
GP
c.
The
mean
diameter
of
copolymer
emulsio
口
was
100-180
nm.
The
glass
tran
日
lt
lO口
temperature
(T
g
)
was
17.
7
'C.
The
GPC
chromato
gram
of
the
copolymer
showed
that
the
weight-average
molecular
weight
was
equal
to
1. 91 X
10
é
g •
mol-
1
•
The
experimental
results
also
showed
that
the
emulsifier
had
well
收稿日期:
2013-10-17
基金项目:山东省自然科学基金项
U
(ZR2011BMOO
(i)
作者简介:方
读
0990-)
,男,硕士研究生.
关
i
亘
f
言联系人.