Improve grinding efficiency

1. Construction

Cement Grinding Aids

2. I. Effect: Improve grinding efficiency

Improve grinding efficiency
Chemistries
POLYOL
Glycerol
Glycerol
DEG
Diethylene Glycol
AMINE ALKOXYLATES (HUNTSMAN PRODUCT)
Confidential
Amine® C6
Morpholine bottom
Amine® C8
Morpholine bottom
DEHSCOFIX® GA-850
Blend of products
DEHSCOFIX® GA-900
MDEA bottoms
SURFONIC® EDA 4/80
THEED (Tetrahydroxyethyl ethylenediamine)
Performance Products

3. II. Effect: Enhance strength development

Secondary effect in concrete with the use of amine in
cement grinding aids
Chemistries
HUNTSMAN PRODUCTS
MDEA (Methyl diethanolamine)
Excellent early concrete strength development
TEA (Triethanolamine)
AMINE GA (TEA Bottom)
Early concrete strength development
THEED (Tetrahydroxyethyl ethylenediamine)
Enhance early and final compressive strength
Improve grinding efficiency
Confidential
Performance Products

4. Typical amine content of various CGA

Product range
Chemical descriptions
Typical amine content, mol/g
Sources
Primary
Secondary
Tertiary
MDEA
Methyl diethanolamine
Europe, Laffans India,
US, APAC
1.0
1.0
8.3
TEA
Triethanolamine
APAC, Laffans India,
Europe, US
1.0
1.0
6.7
Amine GA
TEA bottom, sometime
called polytriethanolamine
US, Laffans India
1.0
2.0
6.4
SURFONIC® EDA 4/80
Tetrahydroxy ethyl
ethylene diamine
US
1.0
4.2
4.3
DEHSCOFIX® GA-900
MDEA bottom
US, Laffans India
1.0
1.4
5.1
Europe
0.3
2.8
4.2
US
-
-
-
Amine C8
Amine C6
Confidential
Morpholine bottom
Performance Products

5. Performance Data in Cement

Various blend compositions

6. Standard Reference Cement

Cement type I:
Density = 3.24 g/cm3
Blaine Fineness = 3818 cm2/g (ASTM C204-96a)
Specific surface area (Wagner)= 2183 cm2/g (ASTM C115-96a)
Sieve residue (45 µm residue) = 0.79% (ASTM C430-96)
Chemical composition
Mass fraction, %
CaO
SiO2
Al2O3
Fe2O3
SO3
K2O
TiO2
P2O5
Na2O
MgO
64.0
20.7
4.7
3.2
2.4
0.70
0.30
0.12
0.07
2.2
Loss on Ignition (LOI) = 1.67
Cement compounds
Mass fraction, %
Confidential
C3S
C2S
C3A
C4AF
60
14
7
10
Performance Products

7. Formulation containing TEA

Fineness vs CGA dosage
Fineness vs Milling time
5000
6000
4500
5000
2
Blaine Fineness, cm /g
2
Blaine Fineness, cm /g
Blaine Fineness at 40min milling
4000
3500
3000
Additive 97/8
Additive 97/9
2500
2000
0
0.1
0.2
0.3
0.4
0.5
0.6
4000
3000
2000
Additive 97/8
Additive 97/9
1000
0
0
20
Additive Dosage, % w/w
40
60
Milling time, min
80
100
Note: Additive 97/8 and 97/9 are blend of glycol and TEA at various ratio
Similar formulation to TERIC® 421
Confidential
Performance Products

8. Formulation containing Amine C8

Experimental
Components
Control
mix
Formula 1
+ GA-900
+ Amine GA
+ MDEA
Amine C8
-
50
18.5
18.5
18.5
Glycerol by product
-
50
18.5
18.5
18.5
GA-900
-
-
37.5
-
-
Amine® GA
-
-
-
37.5
-
MDEA
-
-
-
-
37.5
water
-
-
25.0
25.0
25.0
30%
1 day
28 days
Strength improvement, %
25%
20%
15%
Parameters
Results, %
(CEM I 52.5N MF)
CaO
61,3
SiO2
17,4
Al2O3
5,6
Fe2O3
3,8
10%
MgO
0,9
5%
Na2O
0,42
K 2O
0,78
SO3
3,3
-5%
Cl-
0,04
-10%
LOI
2,2
0%
-15%
Control mix
Confidential
Formulation 1
Formulation 1
and GA-900
Formulation 1
and Amine® GA
Formulation 1
and MDEA
Insoluble residue
0,5
Blaine Fineness, cm2/g
4100
Sieve rest 200 µm, %
0.1
Performance Products

9. DEHSCOFIX® GA-900 Formulations

Control mix
Formulation 1
DEG
-
Amine GA
DEHSCOFIX® GA-900
Experimental
2
3
4
5
-
-
36.9
28
28
-
-
-
-
10
20
-
-
36.9
36.9
35
25
50
18.5
Components
Amine C8
Glycerol by product
-
50
18.5
-
-
-
Acetic acid
-
-
1.3
1.3
1.5
1.5
Water
-
-
24.9
24.9
25.5
25.5
T20
2718.0
2754
2928
2940
2962
2995
T40
3268.9
3339
3568
3568
3614
3659
T60
3637.1
3970
4133
4109
4157
4212
-
180
170
160
170
165
1 day
-
2.30
2.60
2.45
2.65
2.68
7 days
-
15.33
18.50
17.50
18.00
18.5
28 days
-
25.00
28.80
26.50
28.00
29.00
Blaine Fineness, cm2/g
Fresh and Hardened Properties in Concrete
Slump, mm
Strength, MPa
Confidential
Performance Products

10. SURFONIC® EDA 4/80 - THEED

• Higher slump than the blank (without
cement grinding aids) could indicate better
grinding efficiency.
45
40
Compressive strength, MPa
• Initial compressive strength of THEED is
higher than TIPA.
35
30
25
1 day
20
7 days
28 days
15
10
5
Results, %
0
Parameter
Blank
CEM II BB-M 32.5 N
49.2
SiO2
24.1
Al2O3
10.4
120
Fe2O3
4.0
100
MgO
1.6
Na2O
0.44
K2O
0.83
SO3
2.7
Cl-
0.06
LOI
2.6
Insoluble residue
14.1
Blaine Fineness, cm2/g
3600
Sieve rest 200 µm, %
Confidential
0.2
Slump, mm
CaO
MDEA
TEA
THEED
TIPA
80
60
40
20
0
Blank
THEED
TIPA
Performance Products