Actions: Stability

Criterium 1: Consistent and stable properties over time; No break in issues

Measures:

Need to develop procedures and tests to:

• Understand the mechanisms behind time-based degradation

• Understand the mechanisms behind the break-in period reactions

• Develop test methods to predict ageing

• Test methods must include the impact of the products of rolling e.g., MgO impact on pH stability.

• Test methods must accurately mirror rolling conditions in realistic time scales

• Develop method for Dynamic Surface Tension Measurement

Actions

Study and understand the root causes and influencing factors on current emulsion instability before designing the new concepts

• First study on NOA (in PPT adding Mg and later on bacteria) initiated – action ongoing in the :{COI China}:

Evaluate emulsions parameters after wear simulator tests – tests only low / no soap products? Wait for input of next brainstorm session concerning mill house cleanliness.

Map out typical emulsion systems to understand current field emulsion depletion and build up mechanisms:

• Emulsion filtration systems

• Surface oil skimming systems

• Possible evaporation rates of different chemistries

• Note: A type of mass balance perhaps

• Most probably we will go for a low / no soap based product – evaluate analytically low soap based field emulsions (NOA China) – action COI China. Be aware that ingredients present in NOA will most probably be different from those present in the new technology.

• Parallel action: Investigate new approach from first principles with current knowledge of emulsions in use and their disadvantages.

Take along in the test protocol in the project

• Identify chemical classes not exhibiting the identified weaknesses e.g., end-capped emulsifiers, EOPO emulsifiers, non-mineral oil based systems.

• Listing of end-capped emulsifiers and EO/PO emulsifiers present in QH and globally at different suppliers – :{Action can already be started by the COI USA}:

Fundamental ester characterization – conduct structure activity work to see if we can improve esters in use in Non-ferrous products

Take along in project – use new developed MTM RBMT.

Look at Phosphate esters Philip has found work well in the Windsor studies

• Summarize work of Philip. Action COI USA

Develop pragmatic approach to surfactants selection.

• Define operating conditions (pH, hardness values, etc.).

• Define first demands (good wetting, good lubrication, etc.)

• Investigate surfactant groups against defined criteria such as dynamic surface tension measurements, hard water conditions, etc.

• Steer away from new fundamental development.

• Review BASF development of 10 years ago - 1300 BL – instead of esters.

• Develop some basic understanding how EP additives behave in current formulations.

Take along in the project. Note that 1300 BL is considered to be too costly (>2.5 €/kg)

• Study interfacial tension mechanisms to reduce particle size (Start with Nico Verhaar work as reference).

Take along in the project

• Ensure global availability of new chemicals can be achieved.

Take along in the project

• Include registration of new chemicals in project time-line.

Take along in the project

 _Original minutes_

West:

• Study and understand the root causes and influencing factors on current emulsion instability before designing the new concepts
• Map out typical emulsion systems to understand current field emulsion depletion mechanisms:
  1. Emulsion filtration systems
  2. Surface oil skimming systems
  3. Possible evaporation rates of different chemistries
  4. Note: A type of mass balance perhaps
• Parallel action: Investigate new approach from first principles with current knowledge of emulsions in use and their disadvantages.
• Identify chemical classes not exhibiting the identified weaknesses e.g., end-capped emulsifiers, EOPO emulsifiers, non-mineral oil based systems.
• Fundamental ester characterization – conduct structure activity work to see if we can improve esters in use in Non-ferrous products
• Look at Phosphate esters (Philip has found work well in the Windsor studies)

East:

Develop pragmatic approach to surfactants selection:

• • Define operating conditions (pH, hardness values, etc.).
  • Define first demands (good wetting, good lubrication, etc.)
  • Investigate surfactant groups against defined criteria such as dynamic surface tension measurements, hard water conditions, etc..
  • Review BASF development of 10 years ago - 1300 BL - iso esters.
  • Develop some basic understanding how EP additives behave in current formulations.
  • Study interfacial tension mechanisms to reduce particle size (Start with Nico Verhaar work as reference).

Notes:

Steer away from new fundamental development.

Ensure global availability of new chemicals can be achieved.

Include registration of new chemicals in project time-line.