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AMBERLYST™ Polymeric Catalysts

Source: Thinkstock

				
Application & 			
Product name
Type

Matrix[3]

Surface
Area[1]
[m2/g]

Ave. Pore		
Diameter
Min. Capacity
[Å]
[eq/kg[2]]
[eq/L]

Moisture		
Content
[%]

Etherification (MTBE, ETBE, TAME)
AMBERLYST 15Wet
Strong acid
MR[3]
53
300
4.70
1.70
52-57
AMBERLYST 35Wet
Strong acid
MR
50
300
5.20
1.90
51-57
													
DOWEX MONOSPHERE M-31
Strong acid
MR
30
200
4.70
1.70
50-54
													

Dimerization (Isooctane)
AMBERLYST 35Wet
Strong acid
MR
50
300
5.20
1.90
51-57
AMBERLYST 36Wet
Strong acid
MR
33
240
5.40
1.90
53-59
													
Phenol Purification
AMBERLYST 16Wet
AMBERLYST 36Wet

Strong acid
Strong acid

MR
MR

30
33

250
240

4.80
5.40

1.70
1.90

52-58
53-59

Phenol Alkylation
AMBERLYST 15Dry
Strong acid
MR
53
300
4.70
≤1.6
													
AMBERLYST 35Dry
Strong acid
MR
50
300
5.00
≤3.0
AMBERLYST 36Dry
Strong acid
MR
33
240
5.40
≤1.65
													
DOWEX MONOSPHERE DR-2030 Strong acid
MR
30
200
4.70
≤3.0

Condensation (Bisphenol A)
AMBERLYST 31Wet
Strong acid
Gel
4.80
1.35
63-67
AMBERLYST 33
Strong acid
Gel
4.80
1.35
64-68
AMBERLYST 121Wet
Strong acid
Gel
4.80
0.73
74-84
AMBERLYST 131Wet
Strong acid
Gel
4.80
1.35
62-68
													

Hydrogenation (MIBK, TAME)
AMBERLYST CH10
Strong acid (Pd)
MR
33
240
4.80
1.60
52-58
													
AMBERLYST CH28
Strong acid (Pd)
MR
36
260
4.80
1.60
52-58
AMBERLYST CH43
Strong acid (Pd)
MR
35
250
1.80
51-57
													
Olefin hydration (TBA, IPA, SBA )
AMBERLYST 15Wet
AMBERLYST 70

Strong acid
Strong acid

MR
MR

53
36

300
220

4.70
2.65

1.70
0.95

52-57
52-57

Esterification (Acetates, Acrylates, Fatty Acid Esters)
AMBERLYST 15Wet
Strong acid
MR
53
300
4.70
1.70
52-57
AMBERLYST 16Wet
Strong acid
MR
30
250
4.80
1.70
52-58
													
AMBERLYST 36Wet
Strong acid
MR
33
240
5.40
1.90
53-59
AMBERLYST 39Wet
Strong acid
MR
32
230
5.00
1.15
60-66
													
AMBERLYST 46
Strong acid
MR
75
235
0.43
0.8
26-36
AMBERLYST 70
Strong acid
MR
36
220
2.65
0.95
52-57
													
AMBERLYST 131Wet
Strong acid
Gel
4.80
1.35
62-68
Base Catalysed Reactions
AMBERLYST A21
AMBERLYST A26 OH
Footnotes:

[1] Nitrogen BET

Weak base
Strong base Type 1
[2] Dry weight

MR
MR

[3] MR = MacroReticular

35
30
[4] Free base form

110
290
[5] OH form

4.60
4.20

1.30
0.80

54-60
66-75

AMBERLYST™ Polymeric Catalysts

		
Shipping Weight
[g/L]
[lb/ft3]

Recommended Max.
Op. Temperature
[°C]
[°F]

Remarks

770
48.0
120
250
Etherification catalyst. Extremely resistant to breakdown by osmotic and mechanical shock.
800
50.0
150
300
Excellent etherification catalyst. Higher acid strength, better performance, and longer lifetime
													
than conventional catalysts.
760
47.0
120
250
Uniform particle size catalyst offering reduced pressure drop and higher throughput for
													
increased production.

800
50.0
150
300
800
50.0
150
300
													
780
800

48.7
50.0

130
150

265
300

Dimerization catalyst with high activity and high temperature stability.
Dimerization catalyst that combines high activity, high temperature stability, and
good resistance to polymer fouling.
Condensation catalyst. Its low crosslinking degree provides a high resistance to polymer fouling.
Higher exchange capacity and improved thermal stability compared to conventional catalysts.

610
38.0
120
250
													
560
35.0
150
300
770
48.0
150
300
													
590
37.0
120
250

Alkylation catalyst. Excellent for use in non-aqueous systems where the presence of water has
a negative effect on catalyst activity.
Alkylation catalyst with higher acidity and improved thermal stability compared to conventional catalysts.
Premium alkylation catalyst. In addition to its high thermal stability, its low crosslinking degree confers
a high resistance to organic fouling.
Uniform particle size dry catalyst offering reduced pressure drop and increased productivity.

770
48.0
130
265
770
48.0
130
265
730
45.5
130
265
740
46.0
130
265
													

Excellent lifetime, good selectivity, and high reactivity.
Very low acid leachables, designed for high purity BPA production.
Low cross-linked catalyst that offers optimum productivity with good resistance to polymer fouling.
Excellent catalyst with uniform particle size which confers enhanced hydraulic properties and
reactivity compared to conventional catalysts.

790
49.3
130
265
													
790
49.3
130
265
790
49.3
140
285
													

Bifunctional catalyst with acid and metal functionality; contains 1.0 g/L Pd. Used primarily in TAME
production to selectively hydrogenate diolefins.
Bifunctional catalyst with acid and metal functionality; contains 2.8 g/L Pd. Used primarily for MIBK production
Bifunctional catalyst with acid and metal functionality; contains 2.8 g/L Pd. Enhanced acid strength
for increased conversion and MIBK yield.

770
770

48.0
48.0

120
190

250
375

Conventional hydration catalyst suitable for reactive olefins such as isobutylene.
Patented catalyst with the highest thermal stability on the market. Ideal for SBA and IPA production.

770
48.0
120
250
Catalyst for low molecular weight acetate esters.
780
48.7
130
265
Best suitable catalyst for medium molecular weight esters. Used in industrial production of
													
butyl acrylate and methyl methacrylate.
800
50.0
150
300
Highly active catalyst with high temperature stability. Well suited for fatty acid esterification.
735
45.9
130
265
Esterification catalyst for higher molecular weight compounds that diffuse slowly into
													
conventional catalysts.
600
37.4
120
250
Patented esterification catalyst that minimizes by-product formation such as ethers or olefins.
770
48.0
190
375
Patented catalyst stable up to 190°C. Very well suited for high molecular weight esters and the
													
esterification of diols and polyols.
740
46.0
130
265
Excellent catalyst for low molecular weight esters. Used for ethyl acrylate production.
660
675

41.2
42.1

100[4]
60[5]

210
140

Catalyst for silane disproportionation and acid removal from aqueous and non-aqueous streams.
Excellent choice for aldol condensation. High resistance to organic fouling.
For product specifications and additional information,please visit our website at dowwaterandprocess.com

NOTICE: No freedom from infringement of any patent owned by Dow or others is to be inferred. Because use conditions and applicable laws may differ from one
location to another and may change with time, Customer is responsible for determining whether products and the information in this document are appropriate
for Customer’s use and for ensuring that Customer’s workplace and disposal practices are in compliance with applicable laws and other government enactments.
The product shown in this literature may not be available for sale and/or available in all geographies where Dow is represented. The claims made may not have
been approved for use in all countries. Dow assumes no obligation or liability for the information in this document. References to “Dow” or the “Company”
mean the Dow legal entity selling the products to Customer unless otherwise expressly noted. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.
Published May 2011

*
*®™ Trademark of The Dow Chemical Company (“Dow”)
or an affiliated company of Dow

Form No. 177-02436-0511



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