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Speciality Ingredients For Coatings Water Based Paints: Ecolabel

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Speciality Ingredients for Coatings


for Ecolabel Water Based Paints

Yannick Ory APT Seminar 4th April 2014


Regional Account Manager
Ashland Specialty Ingredients
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2011 +

Ashland Speciality Ingredients

Ashland Specialty Ingredients


ASI Portfolio for Coatings
1) Rheology Modifiers
Natrosol™ Culminal ™ Combizell ™ Blanose ™
Aquaflow™

2) Foam Control Agents


Drewplus™, Drew ™, Advantage™

3) Neutralizing Agents
pHLEX™

4) Dispersants
Jaypol™

5) Wetting and Surface Agents


Dextrol™, Strodex™ Drewslip™

6) Biocides
Nuosept™, Fungitrol™ + Wood Care
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Ashland Specialty Ingredients


1) Rheology Modifiers, Cellulosics
Hydroxy Ethyl Cellulose HEC
Méthyl Cellulose MC

NATROSOL® CULMINAL® COMBIZELL ®


Carboxy Méthyl Cellulose CMC Blanose®

BLANOSE®
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Zwijndrecht
A&D
HEC production

R&D
For Paints Paints, E-Pol
and Epol

Helicopter
Ashland Specialty Ingredients view of our Natrosol® plant in Holland
Performance Comparison Cellulosics in
Paint Applications

Ashland Specialty Ingredients


Effect of the selection of the
Cellulosic Ether on the Paint behaviour
1000
Storage Transportation Processing
Post application Application
100
Viscosity [Pa.s]

10

GR
MBR
0,1 HHR
Sag Package, Brushing,
Settling & Levelling Appearance& Feel Spraying & Rolling
0,01
0,001 0,01 0,1 1 10 100 1000 10000 100000
Shear rate [s-1]
Brookfield
Stormer ICI
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Natrosol™ Average Brookfield viscosity
mPa.s at 2%, 25 ° C

Ashland Specialty Ingredients


Why B ?
To maintain the paint viscosity over time :

Raw materials, water and production environment bring


bring :
Bacteria, Fungi, Yeasts

Enzymes

Cellulose Polymer degradation


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Idealized Structure of Conventional
Natrosol™ :

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Idealized Structure of Natrosol™B
= Enzyme Resistance :
OH
OH
CH2
CH2
CH2
CH2
OH O
O CH2 CH2
CH2 CH2 CH2
CH2 O O
H O CH2 H OH CH2
O O
O OH H H O OH H H O
O
H H OH H H
O
OH H
O H H H
O
CH2 H O CH2 H O
O CH2 O CH2
CH2 CH2 CH2 CH2
CH2 OH CH2 OH
O O
CH2 CH2
CH2 CH2
O OH
CH2
CH2
OH
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Natrosol® Biostable

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Natrosol® B

Average Brookfield viscosity


mPa.s at 2%, 25 °c

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How to bring Spatter Resistance &
Contribute to the Leveling

NATROSOL® PLUS 330 PA

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Natrosol® Plus 330 = HMHEC

Oxy-ethylene

Cellulose

Alkyl Hydroxyethyl

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Thickening mechanism
Natrosol Plus 330
HMHEC
Thickening mechanism

Hydrohobe

Latex
particle

Hydrogen bonds
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Latex type effects
Latex Chemistry

Vinyl VA- VAE Acrylic Alkyd Styrene


Acrylic VeoVa Emulsion Acrylic

Increasing Hydrophobicity

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Rheology Options for Paints & Coatings
High performance HMHEC rheology additives

HEC Natrosol® Plus 330 PA

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Spatter collected after
application of a paint
made with
Natrosol® Plus 330 PA

Spatter collected after


application of a paint
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made with
Ashland Specialty Ingredients Natrosol® 250 H4BR
Natrosol Plus 330
– Outstanding spatter resistance

– Improved leveling

– Improved brushing viscosity

A High Quality Cellulose Ether for your


High Quality Paint
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1) Rheology Modifiers, Synthetics
Aquaflow tool box

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Kennedy, Texas Aquaflow plant
Ashland Specialty Ingredients
Structure of Aquaflow N-Series

Hydrophilic

Hydrophobic
Hydrophobic

= Alkyl Chain

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Associative Thickening of Aquaflow

Paint

Latex

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Latex type effects
Latex Chemistry

Vinyl VA- VAE Acrylic Alkyd Styrene


Acrylic VeoVa Emulsion Acrylic

Increasing Hydrophobicity

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Ashland Specialty Ingredients


Difference between Aquaflow and HEUR :
pH stability

Viscosity retention of 4 % solutions after 21 days at 25 C

100
viscosity retention %

80
60 HEUR
40 Aquaflow

20
0
12 11 10 9 8 7 6 5 4 3 2
pH of solution
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Position of Aquaflow vs HEUR

Performance
•More predictable Viscosity Response
•Less pH, Electrolyte Sensitive
•Improved Color Acceptance
•Improved Viscosity Change On Tinting
Aquaflow
HEUR

Economic Advantage
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Ashland Specialty Ingredients


Xceptional
Leveling &
Sag-resistance
Sag Resistance Leveling

Viscosity Retention upon


Tinting (VRT)

Aquaflow Aquaflow Conventional


XLS-500 XLS-525 NSAT’s
2000-5000
Low as is supplied viscosity 1200 mPa.s 1600 mPa.s
mPa.s30
Ashland Specialty Ingredients
Balance sag resistance & leveling | VRT | TE | Low as-is viscosity

Aquaflow XLS-series value : Sag Resistance

° LS-NSAT / Compet°
Compet° ° HS-NSAT Aquaflow XLS-500/NHS-300
*

* HS-NSATs = high shear non ionic synthetic associative thickener


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Balance sag resistance & leveling | VRT | TE | Low as-is viscosity

Aquaflow® XLS-series value : Leveling


High gloss top coat based on alkyd emulsion PVC 18

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Ashland Specialty Ingredients


Balance sag resistance & leveling | VRT | TE | Low as-is viscosity

Aquaflow XLS-series value : Viscosity


Retention on Tinting (VRT)
Example 1 : Viscosity Retention upon tinting in a Deep Tone base paint, PVC 43%,
based on Styrene Acrylic binder Acronal S 559.
Paint5 viscosity loss measured after 5 wt% tinting paste orange, red and blue added :
Stormer viscosity loss after tinting (KU)

0
Aquaflow XLS-500 Aquaflow XLS-525 Compet°1 Compet°2 Compet°3

-5

-10

-15

-20

-25

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-30
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Outstanding Combination

Natrosol™ Plus 330 & Aquaflow™

Spatter resistance Leveling, color acceptance

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2) Foam Control Agents

Anti-foams - Defoamers - Air release agents

Dissolution De-aerators

DREWPLUS ®
Foam Control Solutions
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3) Neutralizing Agents

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3) Dispersants

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5) Wetting & Surface Agents

Drewslip 870 : for

¤ Anti blocking
¤ Anti tack
¤ Anti dirt pick up
¤ Soft touch

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To increase the
Scrub resistance :
Dextrol  OC -180

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Color Properties : Strodex  PK 90 to solve
• syneresis Strodex  PK 90

• flocculation
• color stability

Paint PVC 38, Styr Acryl Natrosol 250 HBR

• Wetting of iron oxide pigments.


• Tint strength and color development.
• Rub up and color acceptance.
• Color float resistance.
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To boost the gloss :
Strodex PK 0-VOC

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To improve Surface
Wetting, substrate
Adhesion and solve
Cissing :
Dextrol OC -180

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Ashland Specialty Ingredients

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