AL-142 Ion-Exchange Resins and Related Polymeric Adsorbents
Amberlite and Amberlyst Resins
A. Specialty Resins and Adsorbents
1. Amberlite Chromatographic-Grade Ion-Exchange Resins
These resins are suitable for columnchromatographic separation of similar materials, including organic bases, amino acids, B vitamins, antibiotics, rare earths and other inorganic materials.
Table 1
Product No. |
Grade |
Type |
Part.size
(wet mesh) |
---|
CG50 |
CG-50 |
weakly acidic |
100-200 |
216372 |
CG-400 |
strongly basic |
100-200 |
2. Amberlite Selective Ion-Exchange Resins
Table 2
Product No. |
Grade |
Ionic form |
Effective
size (mm) |
Density
(g/cc)
Apparent |
True |
Max.
operating
temp.
(°C) |
Total
exchange
capacity
(meq/ml) |
---|
216445 |
IRA7-43* |
free base |
0.45 |
0.66 |
1.14 |
100 |
0.6 |
216453 |
IRC-718** |
free base |
0.50 |
0.66 |
1.05 |
100 |
1.0 |
*Replaces XE-243 resin specific for boron chemical applications
** Replaces XE-318 resin specific for transitionmetal chelation |
3. Amberlite Polymeric Adsorbents
Table 3
Product No. |
Grade |
Description |
Part.
size
(mesh) |
Porosity
vol. (%) |
True wet
density
(g/cc) |
Surface
area (m2/g) |
Avg. pore
diam.(Å) |
---|
216461 |
XAD-2 |
polystyrene |
20-60 |
42 |
1.02 |
300 |
90 |
XAD4 |
XAD-4 |
polystyrene |
20-60 |
45 |
1.02 |
725 |
40 |
XAD7 |
XAD-7 |
acrylic ester |
20-60 |
55 |
1.05 |
450 |
90 |
The Amberlite XAD polymeric adsorbents find application in the removal and recovery of phenols, antibiotics, chlorinated pesticides, various aromatic and nitrogen compounds from aqueous streams, hydrogen peroxide, etc.
XAD-2 and XAD-4 are nonpolar and are useful in sensitive analytical procedures for the detection and identification of narcotics and environmental organic contaminants. XAD-7 has intermediate polarity and adsorbs phenols from water or hexane; it can adsorb either hydrophobic materials from water or hydrophilic materials from nonaqueous systems.
4. Amberlite “Gel”-Type IonExchange Resins of Styrene-Divinylbenzene (DVB) Composition.
Table 4
Product No. |
Grade |
Form |
Functionality |
Applications |
---|
216526 |
IR-118(H) |
hydrogen |
sulfonic acid
(strongly acidic) |
catalysis, recovery of discontinued
high-molecular-weight cations |
216534 |
IR-120(plus) |
hydrogen |
sulfonic acid
(strongly acidic) |
chemical processing
and separations |
224359 |
IR-120(plus) |
sodium |
sulfonic acid |
chemical processing
andseparations |
247669 |
IRA-400(Cl) |
chloride |
quaternary ammonium
(strongly basic) |
catalyst/reagent support;
chemical processing |
274275* |
IRP-69 |
sodium |
|
|
216542 |
IRA-400(OH) |
hydroxide |
quaternary ammonium
(strongly basic) |
catalyst/reagent support;
chemical processing |
216550 |
IRA-401(S) |
chloride |
quaternary ammonium
(strongly basic) |
recovery and/or decolorizing
of organics, antibiotics, etc. |
216569 |
IRA-410 |
chloride |
quaternary ammonium
(strongly basic) |
catalyst/reagent support;
water conditioning |
Table 5
Product No. |
Density
(g/cc)
Apparent |
True |
Effective
size (mm) |
Max.operating
temp.
(°C) |
Total
exchange
capacity
(meq/ml) |
Swelling
(min. %) |
---|
216526 |
0.74 |
1.21 |
0.50 |
120 |
1.3 |
Na+ --› H+
5 to 10 |
216534 |
0.85 |
1.26 |
0.50 |
120 |
1.9 |
Na+ --› H+
5 to 7 |
214359 |
.85 |
1.26 |
0.05 |
120 |
1.9 |
Na+ --› H+
5 to 7 |
247669 |
0.71 |
1.11 |
0.45 |
75 (Cl) |
1.4 |
Cl- --› OH-
18 to 22 |
274275* |
|
|
|
|
|
|
216542 |
0.71 |
1.11 |
0.45 |
60 (OH) |
1.4 |
Cl- --› OH-
18 to 22 |
216550 |
0.69 |
1.06 |
0.52 |
60 (OH)
75 (Cl) |
0.8 |
Cl- --› OH-
5 to 10 |
216569 |
0.71 |
1.12 |
0.44 |
40 (OH)
75 (Cl) |
1.3 |
Cl- --› OH-
10 to 15 |
* IRP-69 is derived from the same parent resin as CG-120 (no longer available from Rohm and Haas), but has a broader particle-size distribution. It has the following typical properties:
Min. exchange capacity: 4.3 meq/g (dry)
Functionality: sulfonic acid (strongly acidic)
Moisture content: ~ 10%
Particle size: 100 - 500 (wet mesh
Max. operating temp.: 120°C
5. Amberlite Monobed Resin
This product is a mixture of strongly acidic and strongly basic resins containing thymolphthalein indicator.
Table 6.
Product No. |
Grade |
Part. size
(wet mesh) |
Total exchange
capacity (meq/ml) |
Max. operating
temp. (°C) |
Swelling
(min. %) |
---|
271691 |
MB-3A |
1650 |
0.55 |
40 |
55 |
B. Macroreticular Ion-Exchange Resins
Macroreticular resins comprise a tough, rigid, spongelike material with large, discrete pores, and have a somewhat lower capacity than gel-type resins, but can have longer operating life and effect separations not possible with gel-type resins. High-molecular-weight ions can be more completely removed from solution and more completely eluted from the resin on regeneration. Moreover, the open structure allows application with tough copolymers which would be too dense for use in a strictly gel-type system.
1. Amberlite Macroreticular Resins
Table 7
Product No. |
Grade |
Description
(ionic form) |
Functionality |
Applications |
---|
216585 |
IRA-900 |
styrene-DVB (chloride) |
quaternary ammonium (strongly basic
anion exchange) |
water conditioning; recovery
of high-molecular-weight organics; decolorizing and deashing |
217360 |
IRA-904 |
styrene-DVB (chloride) |
quaternary ammonium (strongly basic
anion exchange) |
organic scavenging; removal of
high-molecular-weight organics;
useful where high surface area or attrition resistance is advisable |
216577 |
IRC-50S |
methacrylic
acid-DVB
(hydrogen) |
carboxylic acid
(weakly acidic
cation exchange) |
selective adsorption of
organics, similar to IRC-50;
metal recovery; this resin exhibits high organic solvent activity |
274267** |
IRP-64 |
methacrylic
acid-DVB
(hydrogen) |
carboxylic acid
(weakly acidic)
|
|
Table 8
Product No.
|
Density
(g/cc)
Apparent |
True |
Effective
size (mm) |
Max. operating
temp.
(°C) |
Total exchange
capacity (meq/ml) |
Swelling
(min. %) |
---|
216585 |
0.67 |
1.07 |
0.53 |
60 (OH)
75 (Cl) |
1.0 |
Cl- --› OH-
15 to 20 |
217360 |
0.67 |
1.08 |
0.47 |
60 (OH)
75 (Cl) |
0.7 |
Cl- --› OH-
3 to 5 |
216577 |
0.66 |
1.25 |
0.40 |
120 |
3.5 |
H+--› Na+
75 to 100 |
274267** |
|
|
|
|
|
H+--› Ca++
30 to 40 |
** IRP64 is derived from the same parent resin as IRC-50S, but differS in ionic form. It has the following typical properties:
Moisture content: ~ 10%
Particle size: 100 - 500 (wet mesh)
Max. operating temp.: 120°C
2. Amberlyst Macroreticular Ion-Exchange Resins
These resins [except Grade 15 (wet)] were designed for nonaqueous applications. Their unusually high porosity and surface area expose more ionic groups in a nonaqueous system than does a geltype resin. Typical properties and applications are shown in Tables IX and X.
Additional information regarding the properties and applications of Amberlite and Amberlyst resins is available from Rohm and Haas Company. Questions concerning the application of these products to commercial processes in areas involving potential patent infringement should be directed to Rohm and Haas Company.
Table 9
Product No. |
Grade |
Functionality |
Applications |
---|
216380 |
15 |
sulfonic acid
(strongly acidic) |
nonaqueous catalysis/
-cation exchange |
216399 |
15 (wet) |
sulfonic acid
(strongly acidic) |
aqueous catalysis/
cation exchange |
216402 |
XN-1010 |
sulfonic acid
(strongly acidic) |
same as grade 15 but in systems with high surface area requirements; cation exchange |
216410 |
A-21 |
dimethylamino
(weakly basic) |
catalysis and deacidification
of nonaqueous solutions/
anion exchange |
216429 |
A-26 |
quaternary ammonium
(strongly basic) Type 1 |
catalysis/anion exchange |
216437 |
A-27 |
quaternary ammonium
(strongly basic) Type I |
base catalysis; nonaqueous
anion exchange |
Table 10
Product No. |
Max. operating
temp. (°C) |
Moisture content
(%) |
Surface area
(m2/g) |
Porosity(%) |
Ion-exchange
capacity
(meq/ml;meq/g) |
---|
216380 |
120 |
< 3 |
45 |
32 |
1.8; 4.7 |
216399 |
120 |
50-55 |
45 |
32 |
1.8; 4.7 |
216402 |
120 |
< 3 |
540 |
47 |
1.0; 3.3 |
216410 |
100 |
57 |
25 |
48 |
1.3; 4.8 |
216429 |
60 (OH)
75 (Cl) |
61 |
28 |
27 |
1.0; 4.4 |
216437 |
60 (OH)
75 (Cl) |
45 |
65 |
51 |
0.7; 2.6 |