PANGEL Innovative Products For Paints & Coatings



PANGEL

Innovative Products For Paints & Coatings

Our PANGEL products are highly pseudoplastic additives based in different silicate minerals for both water and solvent based systems.

TOLSA selects the best raw material and processes to offer the most suitable special clay additive for each specific application.

Product overview

Use of PANGEL products in water-borne systems

PANGEL S Series

Rheological additives produced from high-purity sepiolite with outstanding suspension and anti-sagging capacity unaffected by electrolytes.

PANGEL W Series

Organically modified rheological additives, specifically developed to enhance thickening and anti-sagging properties. PANGEL W provides also water retention and excellent brushability.

PANGEL M Series

Rheological additives produced from high-purity bentonite for easy gelling and dispersing capacity.

Use of PANGEL products in solvent-borne systems

PANGEL B Series

Rheological organoclay additives based upon high-purity sepiolite with extra-performance and additional suspension capacity, anti-sagging and homogenizing properties. They have been designed to adapt to different polarities.

PANGEL OM Series

Rheological organoclay additives based upon high-purity bentonite for easy incorporation to solvent-based systems. Their different organophilic behaviour has been designed to adapt to different polarities.

PANGEL OMD Series

Self-activated organoclay additives based upon high-purity bentonite for easy incorporation to solvent-based systems. Their different organophilic behaviour has been designed to adapt to different polarities.

PANSIL? UltraSpheres

Ceramic semisolid spherical fillers for water and solvent based systems. They are used for improving abrasion and burnish of coatings enhancing barrier characteristics of the paint. Their spherical and low surface area allow increasing solid content and reduce VOC and binder need.

COMPARISON BETWEEN SPECIAL CLAYS

FOR WATER-BORNE COATINGS

SEPIOLITE ? Higher efficiency. Half dosage is usually required ? Better cost/ efficiency ? Less impact on optical properties due to better efficiency ? Low crystalline silica content ? Better antisettling characteristics

ATTAPULGITE ? Easier to disperse at low shear mainly in high viscous system

and high solids systems ? Lower cost per Kg

BENTONITE ? Easier to disperse at low shear mainly in high viscous system

and high solids systems ? Lower cost per Kg

FOR SOLVENT- BORNE COATINGS

SEPIOLITE ? Better effect in sedimentation in high solids systems ? Sediment if any, very easy to redisperse ? Better sag control for same levelling

BENTONITE ? Better dispersion at low shear ? Better optical properties ? Better in low solids systems: top coats, gel coats,

varnishes, water suspensions ? Higher viscosity pre-gels

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CLAYS GELLING MECHANISM CLAYS GELLING MECHANISM BENTONITES Sheet like Sheet like

SEPIOLITE & ATTAPULGITE Needle like Needle like

Gel structure Gel structure Gel structure Gel structure

Structure temporary Sdtersutcrotuyreedtemporary destroyed Structure temporary Sdtersutcrotuyreedtemporary destroyed

Clay gelling mechanisms

Products from the PANGEL series are sold as micronized solids. Their dispersion process is similar to that of the other solid components of the formulation, ensuring an appropriate wetting of the product and application of sufficient mechanical energy (shear).

RPM

1800

1600

1400

1200

1000

800

600

400

200

0

10

15

20

25

Peripherial speed (m/s)

60 cm 50 cm 40 cm 30 cm

PANGEL S and PANGEL B additives are different in nature to traditional bentonite-based additives and thus they require to be dispersed in the system in a specific way so they can develop their optimal performance: Dispersion of PANGEL S and PANGEL B additives requires an appropriate particle wetting and subsequently a mechanical agitation that's guarantees peripheral speeds between 18 and 25 m/s, maintaining the doughnut effect in the agitation tank. The use of a dispersion equipment of Cowles type or horizontal or vertical grinding equipment is recommended.

Innovative Products For Paints & Coatings | 3

PANGEL S Rheological additives

PANGEL W Organically modified rheological additives

PANGEL M Rheological additives produced from high-purity bentonite

BENEFITS ? Outstanding suspension from high-purity

sepiolite anti-sagging capacity ? Better thickening and anti-sagging

properties ? Retention and excellent brushability ? Easy gelling from high-purity bentonite

dispersing capacity

Water-borne systems

VISCOSITY

Sedimentation Can stability

Sag Resistance

Leveling

Consistency Viscosity

Application

PANGEL additives have been specially designed to optimize the rheology of the whole thickening systems either alone or in combination with others organic additives.

? Sagging control while maintaining excellent levelling properties, due to the good thixotropic and shear thinning performance.

? Optimal stability during transportation and storage, avoiding the settling of pigments and fillers because of the increased of the "gel strength".

Shear Rate

PANGEL have a strong shear thinning profile with high impact in the low shear rate area: stability | sag control

HEUR HASE Cellulosics Acrylics PANGEL

Product PANGEL S9

Product Description Purified Sepiolite

PANGEL W

Organically modified Sepiolite

PANGEL M90F Activated Bentonite

PANGEL M280 Natural Sodium Bentonite

PANGEL M281 Natural Sodium Bentonite

Function High shear thinning. Normally used as a co-thickener with HEC or associative thickeners for improving syneresis and sedimentation. It replaces attapulgite thickeners at half dosage. Enhanced thickening efficiency along with anti-sag and sedimentation prevention. Increases wash and scrub resistance. Good thickener for water-based epoxys and 100% acrylics. It can be used alone or in combination with HEC in standard emulsion paints. Stability and viscosity control with very fast dispersion. Viscosity enhancement with pseudoplastic and thixotropic behavior in high solid media.

Higher thickening and thixotropic efficiency.

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PANGEL B

Rheological organoclay additives based upon high-purity sepiolite

PANGEL OM

Rheological organoclay additives based upon high-purity bentonite

PANGEL OMD Self-activated organoclay additives based upon high-purity bentonite

BENEFITS ? Extra-performance and additional

suspension, anti-sagging and homogenizing properties ? Easy incorporation to solvent-based systems

Solvent-borne systems

TOLSA includes in its portfolio a wide offer of different organoclay additive adapted to all kind of incorporation procedures and polarity systems. PANGEL products provide suspension and sagging resistance properties and reaching high consistency levels without affecting viscosity during applications. PANGEL products exhibit their high effectiveness as anti-settling additives in formulations with medium to high solid content.

ADDITIVE SELECTION CHART

Low Polarity

High Solids Low Solids

Medium Polarity High Polarity Pre-gel (Polar Activation)

Direct Addition (Self-Dispersion)

Pure Aliphatics. i.e. Mineral & Vegetable Oils White Spirits, Kerosene Pure Aromatic. i.e. Xylense & Tolunen Epoxies, Polyester, Polyamides, Polyurethanes Propylencarbonate, Cellosolve Ketones, Alcohols, Glycols, Glycerine, Esters

PANGEL B5 PANGEL B10 PANGEL B20 PANGEL B20 PANGEL B40 PANGEL B40

Low Polarity PANGEL OM4 Medium Polarity PANGEL OM8 High Polarity PANGEL B40 Epoxies, Polyester, Polyamides, Polyurethanes PANGEL OMD1, PANGEL B20 High Polarity PANGEL OMD2, PANGEL B20

Product PANGEL B5 PANGEL B10

PANGEL B20 PANGEL B40 PANGEL OM4 PANGEL OM8 PANGEL OMD1 PANGEL OMD2

Product Description

Organically modified high-purity Sepiolite

Organically modified high-purity Bentonite

Function Self dispersing rheological additive for low polarity systems, mainly aliphatic. Self dispersing rheological additive designed for low polarity systems made of mixtures of aliphatic and aromatic. Self dispersing rheological additive designed for aromatic and medium polarity systems. Self dispersing rheological additive designed for high polarity systems. Polar activator required. Rheological additive for low polarity media. Polar activator required. Rheological additive for medium polarity systems. Self dispersing rheological additive designed for low polarity systems. Self dispersing rheological additive designed for medium-high polarity systems.

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