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离子交换树脂
Organic
ion
exchange
resins
having
cross
linked
hydrocarbon
matrix
and
derivatized
with
inorganic group are the
most common ion exchange materials used in
industrial applications.
有机
离子
交换树脂的交联基体和烃类衍生物与无机组是最常见的离子交换在工业应用中使用的
材料
。
The majority of the
commercial resins are based on the styrene-
divinylbenzene structure
because of its
good resistance against chemical and physical stre
ss.
该商业树脂绝大多数都是以
由于其抗化学和物理应力好，
耐苯乙烯二乙烯苯的结构。
The structure
is stable at relatively
high
temperatures and over the whole pH range.
其结构是稳定在较高的温度和
pH
值在整个范
围内。
Styrene polymer
chains (Figure 2) are crosslinked with
divinylbentzene (DVB) and the
elasticity of resin can be adjusted by
varying the amount of DVB it contains.
苯
乙烯聚合物链（图
2
）交联
divin
ylbentzene
（
DVB
）的，
树脂的弹性，可以通过改变它包含的
DVB
数额进行调
整。
Figure
2.
图
2
。<
/p>
Styrene-divinylbentzene
co-polymer
X=
ionogenic/functional
group
苯乙烯
-
divinylbentzene
共聚物
X =
ionogenic /
功能组
The ion exchange properties of organic
resins are mainly based on ionogenic groups which
can be
attached to practically all the
styrene rings in the styrene-divinylbentzene co-po
lymer.
有机树脂的
离子交换性能，
主要是在此基础上可以附加在苯乙烯
divinylbentzene
合作，
几乎所有的聚合
物苯乙烯环
ionogenic
组。
Thus, resins with very low crosslinking
(DVB portion 1-2%) can have
the maximum
theoretical concentration of the ionogenic groups
of approximately 9 mmol/g.
因此，
具有非常低的交联（部分
1-2
％的
DVB
）树脂可以有大约
9 mmol
理论的
ionogenic
组的最大
浓
度
/
克
Usually, commercial resins contain
ionogenic groups at a concentration in the range
of
2.5-5 mmol/g.
通常情况下，
商业树脂中含有的浓度范围
2.5-5 mmol /
克
ionogenic
组
The nature
of ionogenic
groups can vary from strong acidic cation
exchangers (-SO
3
-
) to strong basic anion
exchangers (-N
+
(CH
3
)
3
) and to chelate forming e
xchangers.
这些团体的性质
ionogenic
可以从
强酸性阳离子交换
（
-
的
SO
3
-
）<
/p>
强碱性阴离子交换器
（
- N
的
+
为
（
CH
3
）
3
）
和螯合形成器。
There
are also active groups
which have no electric charge but donor atoms
attract cations by donating
free
electron
pairs
to
form
coordination
bonds.
还有哪些没有原子电荷但捐助者的捐款吸引自
由
电子对形成配位键阳离子活性基团。
Ionogenic,
chelating,
and
complex
forming
active
groups may be called
functional groups. Ionogenic
，螯合，形成积极的和复
杂的群体可能被称
为功能组别。
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