List of Walks

LAVIOSA ARGIMEL® B4 Rheological Additive for Low to Medium Polarity Solvent-Borne Systems

Industrial Additives Division Coatings

General Information

LAVIOSA ARGIMEL® B4 is a rheological additive for solvent-borne systems of low to medium polarity that gives thixotropic effect, sag control, excellent leveling, and prevents pigments from long-term storage settling. The nature of LAVIOSA ARGIMEL® B4 is a bentonite clay organically modified with a quaternary alkylammonium compound.

Table 1. Chemical-physical properties

Properties
Composition: Organically modified smectite
Physical form: White pale cream powder
Bulk density: 0.4-0.6 g/mL
Specific gravity (H2O): 1.7-1.8
Moisture: ≤ 3%

Applications

LAVIOSA ARGIMEL® B4 is used in a wide range of manufacturing processes including oil-based paints (either industrial or architectural), marking paints, road marking paints, printing inks, lubricating greases, adhesives, and cosmetics and personal care products. It shows particularly good performance in solvents like aliphatic mineral spirits and aromatics.

Incorporation

LAVIOSA ARGIMEL® B4 requires high shear forces applied and a chemical (polar) activator to reach the proper level of delamination of the organo-bentonite platelets. While heat is not essential in most cases, processing temperatures above 20°C are preferred. Suitable polar activators are low molecular weight species.

Table 2. Activators’ dosage (based on Laviosa ARGIMEL® weight)

Polar activator:
Acetone/H2O (95:5): 60%
Methanol/H2O (95:5): 33%
Ethanol/H2O (95:5): 50%
Propylene Carbonate: 33%
Propylene Carbonate/H2O (95:5): 33%

It is recommended to empirically determine the proper level of addition because either defect or excess of chemical activator would result in a non-optimal rheology development.

Incorporation Methods

Direct addition technique: LAVIOSA ARGIMEL® B4 powder is added directly to the solvent/resin mix before pigment addition and milling. It is advisable to allow the organoclay to wet and disperse at first and to add the polar activator before or after the pigments. Surfactants must be added last.
Pre-gel technique: LAVIOSA ARGIMEL® B4 is added in a suitable solvent at a 5-10% concentration with a polar activator. The activated gel is then added to the binder solution and stirred. After pigment addition, the mix is finally milled. Higher activated pre-gel concentrations (15-20%) can be obtained with the aid of suitable dispersing agents to be added after full organoclay dispersion.

Dosage

Dosage strongly depends on the system and on the degree of thickening required. In paints and industrial finishes, typical levels are between 0.2% and 0.6% of LAVIOSA ARGIMEL® B4. For primers and printing inks, higher levels are required (0.5-1.0%). To reach strong anti-sagging properties, up to 3.0% can be used.

Storage Stability and Packing

Product does not deteriorate significantly in 3 years. LAVIOSA ARGIMEL® B4 should be stored in a dry sheltered place in original closed bags. Packing is available in 25 kg net paper bags.

Rev 05 September 2022

LAVIOSA ARGIMEL® B4C Rheological additive for low to medium polarity solvent-borne systems

Industrial Additives Division Coatings

General Information

LAVIOSA ARGIMEL® B4C is a rheological additive for solvent-borne systems of low to medium polarity that gives thixotropic effect, sag control, excellent leveling, and prevents pigments from long-term storage settling. The nature of LAVIOSA ARGIMEL® B4C is a bentonite clay organically modified with a quaternary alkylammonium compound.

Table 1. Chemical-physical properties

Composition: Organically modified smectite
Physical form: White pale cream powder
Bulk density: 0.4-0.6 g/mL
Specific gravity (H2O): 1.7-1.8
Moisture: ≤ 3%

Applications

LAVIOSA ARGIMEL® B4C is used in a wide range of manufacturing processes: oil-based paints (either industrial or architectural), marking paints, road marking paints, printing inks, lubricating greases, adhesives, and cosmetics and personal care products. It shows particularly good performance in solvents like aliphatic mineral spirits and aromatics.

Incorporation

LAVIOSA ARGIMEL® B4C requires high shear forces and a chemical (polar) activator to reach the proper level of delamination of the organo-bentonite platelets. Processing temperatures above 20 °C are preferred. Suitable polar activators are low molecular weight species.

Table 2. Activators’ dosage (based on Laviosa ARGIMEL® weight)

Polar activator:
Acetone/H2O (95:5): 60%
Methanol/H2O (95:5): 33%
Ethanol/H2O (95:5): 50%
Propylene Carbonate: 33%
Propylene Carbonate/H2O (95:5): 33%

Incorporation Methods

Direct addition technique: LAVIOSA ARGIMEL® B4C powder is added directly to the solvent/resin mix before pigment addition and milling. Surfactants must be added last.
Pre-gel technique: LAVIOSA ARGIMEL® B4C is added in a suitable solvent at a 5-10% concentration with a polar activator. Higher activated pre-gel concentrations (15-20%) can be obtained with suitable dispersing agents.

Dosage

Dosage depends on the system and the degree of thickening required. In paints and industrial finishes, typical levels are between 0.2% and 0.6% of LAVIOSA ARGIMEL® B4C. For primers and printing inks, higher levels (0.5-1.0%) are required. Up to 3.0% can be used for strong anti-sagging properties.

Storage Stability and Packing

Product does not deteriorate significantly in 3 years. LAVIOSA ARGIMEL® B4C should be stored in a dry sheltered place in original closed bags. Packing is available in 25 kg net paper bags.

Rev 02 September 2022

Information given in this bulletin is based on the state of our knowledge at the date of publication and are believed to be accurate but do not constitute any engagement or warranty from our part. Buyers and users should make their own assessments under their own conditions and for their own requirements. Information may be changed without any notice. For mandatory characteristics and performance please refer to our Sale Specifications.

LAVIOSA ARGIMEL® B7 Rheological additive for moderate to high polarity solvent-borne systems

Industrial Additives Division Coatings

General Information

LAVIOSA ARGIMEL® B7 is a rheological additive for moderate to high polarity solvent-borne systems. It gives thixotropic effect, sag control, excellent leveling, and prevents pigments from long-term storage settling. The nature of LAVIOSA ARGIMEL® B7 is a purified bentonite clay organically modified with a quaternary alkylammonium compound.

Table 1. Chemical-physical properties

Composition: Organically modified smectite
Physical form: White fine powder
Bulk density: 0.4-0.6 g/mL
Moisture: ≤ 3%

Applications

LAVIOSA ARGIMEL® B7 is used in a wide range of manufacturing processes to give the desired rheological control to the system:

Anti-corrosive paints
Industrial finishes
Anti-fouling paints
Printing inks
Cosmetics
Adhesives

LAVIOSA ARGIMEL® B7 provides anti-settling and anti-sagging properties in high polarity systems such as aromatics, Cellosolve™ acetates, ketones, glycols, alcohols, and resins like epoxies, nitrocellulose, polyacrylates, unsaturated polyesters, polyurethanes.

Incorporation

LAVIOSA ARGIMEL® B7 requires high shear forces and a chemical (polar) activator to reach the proper level of delamination of the organo-bentonite platelets. Processing temperatures above 20 °C are preferred. Suitable polar activators are low molecular weight species.

Table 2. Activators’ dosage (based on Laviosa ARGIMEL® weight)

Polar activator:
Acetone/H2O (95:5): 60%
Methanol/H2O (95:5): 33%
Ethanol/H2O (95:5): 50%
Propylene Carbonate: 33%
Propylene Carbonate/H2O (95:5): 33%

Incorporation Methods

Direct addition technique: LAVIOSA ARGIMEL® B7 powder is added directly to the solvent/resin mix before pigment addition and milling. Surfactants must be added last.
Pre-gel technique: LAVIOSA ARGIMEL® B7 is added in a suitable solvent at a 5-10% concentration together with a polar activator. Higher activated pre-gel concentrations (15-20%) can be obtained with suitable dispersing agents.

Dosage

Dosage depends on the system and the degree of thickening required. In paints and industrial finishes, typical levels are between 0.2% and 0.6% of LAVIOSA ARGIMEL® B7. For primers and printing inks, higher levels (0.5-1.0%) are required. Up to 3.0% can be used for strong anti-sagging properties.

Storage Stability and Packing

Product does not deteriorate significantly in 3 years. LAVIOSA ARGIMEL® B7 should be stored in a dry sheltered place in original closed bags. Packing is available in 25 kg net paper bags.

Rev 02 September 2022

Information given in this bulletin is based on the state of our knowledge at the date of publication and are believed to be accurate but do not constitute any engagement or warranty from our part. Buyers and users should make their own assessments under their own conditions and for their own requirements. Information may be changed without any notice. For mandatory characteristics and performance please refer to our Sale Specifications.

LAVIOSA ARGIMEL® B8 Rheological Additive for Low to Medium Polarity Solvent-Borne Systems

Industrial Additives Division Coatings

General Information

LAVIOSA ARGIMEL® B8 is a rheological additive for solvent-borne systems of low to medium polarity that gives thixotropic effect, sag control, excellent leveling, and prevents pigments from long-term storage settling. It consists of a bentonite clay organically modified with a quaternary alkylammonium compound.

Table 1. Chemical-Physical Properties

Composition: Organically modified smectite
Physical form: White pale cream powder
Bulk density: 0.4-0.6 g/mL
Specific gravity (H2O): 1.7-1.8
Moisture: ≤ 3%

Applications

LAVIOSA ARGIMEL® B8 is used in:

Oil-based paints (either industrial or architectural)
Marking paints
Road marking paints
Printing inks
Lubricating greases
Adhesives
Cosmetics and personal care products

It shows particularly good performance in solvents like aliphatic mineral spirits and aromatics.

Incorporation

LAVIOSA ARGIMEL® B8 requires high shear forces and a chemical (polar) activator for proper delamination of the organo-bentonite platelets. Processing temperatures above 20 °C are preferred. Suitable polar activators are low molecular weight species.

Table 2. Activators’ Dosage (based on Laviosa ARGIMEL® weight)

Polar activator:
Acetone/H2O (95:5): 60%
Methanol/H2O (95:5): 33%
Ethanol/H2O (95:5): 50%
Propylene Carbonate: 33%
Propylene Carbonate/H2O (95:5): 33%

Incorporation Methods

Direct addition technique: LAVIOSA ARGIMEL® B8 powder is added directly to the solvent/resin mix before pigment addition and milling. Surfactants must be added last.
Pre-gel technique: LAVIOSA ARGIMEL® B8 is added in a suitable solvent at a 5-10% concentration with a polar activator. Higher activated pre-gel concentrations (15-20%) can be obtained with suitable dispersing agents.

Dosage

Dosage strongly depends on the system and the degree of thickening required. Typical levels are between 0.2% and 0.6% of LAVIOSA ARGIMEL® B8 in paints and industrial finishes. For primers and printing inks, higher levels (0.5-1.0%) are required. Up to 3.0% can be used for strong anti-sagging properties.

Storage Stability and Packing

The product does not deteriorate significantly in 3 years. LAVIOSA ARGIMEL® B8 should be stored in a dry sheltered place in original closed bags. Packing is available in 25 kg net paper bags.

Rev 05 September 2022

Information given in this bulletin is based on the state of our knowledge at the date of publication and are believed to be accurate but do not constitute any engagement or warranty from our part. Buyers and users should make their own assessments under their own conditions and for their own requirements. Information may be changed without any notice. For mandatory characteristics and performance please refer to our Sale Specifications.

LAVIOSA ARGIMEL® ED Rheological Additive for Solvent Borne Paint and Coatings

Industrial Additives Division Coatings

General Information

LAVIOSA ARGIMEL® ED is a self-activating and easily dispersible rheological additive for solvent-borne systems from low to medium polarity that gives thixotropic effect, sag control, and prevents pigments from long-term storage settling. The nature of LAVIOSA ARGIMEL® ED is a bentonite clay organically modified with a quaternary alkylammonium compound.

Table 1 Chemical-physical properties

Properties
Composition: Organically modified smectite
Physical form: White fine powder
Bulk density: 0.4-0.6%
Moisture: < 3%

Applications

LAVIOSA ARGIMEL® ED is employed in a wide range of manufacturing processes:

Oil-based paints (either industrial or architectural)
Marking paints
Road marking paints
Wood paints
Primers
Bituminous
Adhesives
Cosmetics and personal care products

For architectural paints production, anticorrosive paints, road marking paints, primers, bituminous emulsions, and wood paints. LAVIOSA ARGIMEL® ED shows good performance in solvents like aliphatic mineral spirits and aromatic solvents. Low polarity binders like alkyds and terpenes petroleum derivatives are also compatible with LAVIOSA ARGIMEL® ED.

Incorporation

LAVIOSA ARGIMEL® ED belongs to the unconventional type of self-activating organoclays. It does not require strong mechanical energy to disperse nor a chemical (polar) activator to reach the proper level of delamination of the organo-bentonite platelet stacks. It can be added at any point in the paint manufacturing process and can be even used in post-addition to correct the final viscosity of a certain batch. Low temperature might be a cause of slow dispersion if LAVIOSA ARGIMEL® ED is added under low shear. Pre-gel formation is not needed to employ LAVIOSA ARGIMEL® ED and in order to develop its full rheological properties.

Dosage

Level of addition strongly depends on the type of system and on the degree of thickening or other properties desired. For house and industrial paints, typical levels are between 0.2% and 0.8% of LAVIOSA ARGIMEL® ED. For primers and printing inks, higher levels are required (0.5-1.0%). For strong anti-sagging properties, up to 3.0% can be used.

Storage Stability and Packing

Storage is advisable in a dry sheltered place in closed bags. LAVIOSA ARGIMEL® ED rheological additive is available in 25 kg net paper bags. LAVIOSA ARGIMEL® ED has a shelf life of 3 (three) years from the date of manufacture.

Rev 01 September 2022

Information given in this bulletin is based on the state of our knowledge at the date of publication and are believed to be accurate but do not constitute any engagement or warranty from our part. Buyers and users should make their own assessments under their own conditions and for their own requirements. Information may be changed without any notice. For mandatory characteristics and performance please refer to our Sale Specifications.