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| Mobel D 54 - 55 |
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Pigment dispersing agents
General information
Mobel D 54 and mobel D 55 are low foaming polymeric pigment dispersing agents that work effectively for many hydrophilic pigments and extenders, used in aqueous coatings. Both products contain the same active ingredients and differ only in concentration. Mobel D54 contains 30% and Mobel D55 contains 50% active matte.
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| Physical properties |
| Mobel 54 |
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| Appearance: |
clear liquid |
| Active matter: |
30% |
| PH: |
7.0 – 9.0 |
| Density, 20 ◦C (Din53217/3): |
1130 kg/ m3 |
| Viscosity, 25 ◦C (DIN 53015): |
max .40 maps |
| Color (DIN 53995): |
max .3 Gardner |
| Solubility: |
soluble in water |
| Flash point: |
> 100 ◦C |
| Composition: |
ammonium salt of a polymeric carboxylic acid |
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| Mobel D 55 |
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| Appearance: |
clear liquid |
| Active matter: |
50% |
| PH: |
7.0 – 8.5 |
| Density, 20 ◦C: |
approx. 12250 kg/ m3 PH |
| (Din 53015): |
max .1000mpa.s |
| Viscosity, 25 ◦C Color(DIN 53995): |
max .4Gardner |
| Solubility: |
soluble in water |
| Flash point: |
> 100 ◦C |
| Composition: |
ammonium salt of a polymeric carboxylic acid |
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Application and properties
Mobel D 55 and D 54 are applicable to practically all types of aqueous coatings based on polymeric binders, e.g. pvac, - PAC, - PSB -, PSAC dispersions, terpolymers and lattices etc. |
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They also show excellent compatibility with those polymeric binders commonly used in aqueous formulations, e.g. paper coatings, adhesives. Carpet bacings and plastics etc.
Mobel D 55 and 54 are applied as dispersing agents in many hydrophilic pigments and extenders in aqueous mediums such as titanium dioxides, calcium carbonate, barium sulphate, iron oxides etc. the products are strongly adsorbed onto these pigments and extender and reduce the viscosity of the milling paste. If strongly hydrophobic pigments are used such as most organic types, it is recommended to use Mobel D 55 or D 54 in combination with a wetting agent, e.g.
Mobel 1566 or Mobel 265
Mobel D 55 and D 54 counteract flocculation, floating, flooding and pigment settling. They do not cause foam formation, not do they depolymerise upon storage. As a result coatings with improved performance and excellent stability are contained.
Mobel D 55 and D 54 also avoid the viscosity increase which usually occurs during storage with coatings formulated with less chemically stable dispersing agents such as most polyphosphates and various copolymeric dispersing agents. |
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| Since 2005 the company is a Holder of the ISO 9001 & 14001 certificate, which guarantees that all operations are conducted according to the sitipulated standards. |
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