Six General TiO2 Types for Paint and Coatings Industry: Characteristics and Applications

Six General TiO2 Types for Paint & Coatings Industry:

Andriy Gonchar, Director, RD Titan Group, TOVwww.innovativetio2.com [email protected]

Characteristics and Applications.

Specialized technological forum СolorMix●9-10 April 2015●Congress Hall Puscha, Kiyv, Ukraine

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1. Classification of TiO2 Rutile Grades for Paint & Coatings Industry Depending on

Their Properties.

TiO2 for Paint &

Coatings

P&C Type 1

P&C Type 2

P&C Type 3

P&C Type 4

P&C Type 5

P&C Type 6 (Subtype

A)

P&C Type 6 (Subtype

B)

2. RD Titan Group ‘s TiO2 Classification by Type via Examples of Some Grades Manufactured by the World's Top 5 Producers of Titanium Dioxide and

Technologies.TiO2 Grade Type Grades Manufactured by the

World's Top 5 TiO2 Producers RD Titan Group

Production Technology

Typical TiO2 Content (%)

Inorganic Surface

Treatment

Type According to

ISO 591-1:2000

Type According to ASTM D 476-

00 P&C Type 1 RCL-9 (by Cristal) RC-30 94-96 Al R2 II

P&C Type 2 Tioxide TR88 (by Huntsman) RC-44 92-94 Al, Si R2 II, III

P&C Type 3 Kronos 2044 (by Kronos) RC-80 80-86 Al, Si R3 III

P&C Type 4 Sachtleben RDI-S (by Huntsman)

RC-31 94-96 Al R2 II

P&C Type 5 Tronox CR-828 (by Tronox) RC-54 92-95 Al, Zr, (sometimes

+Si)

R2 II, V

P&C Type 6 (Subtype A)

TiPure R-960 (by Chemours [DuPont])

- 89-91 Al, Si R2/R3 II, IV

P&C Type 6 (Subtype B)

TiPure R-706 (by Chemours [DuPont])

RC-74 92-93 Al, Si R2 II, IV

3. Classification of Rutile Titanium Dioxide Grades for Paint & Coatings Application Produced by

Ukrainian Companies.TiO2 Grade Type Grades Manufactured by the

World's Top 5 TiO2 Producers RD Titan Group

Production TechnologySumykhimprom JSC Ukrainian Chemical

Products PJSC (former Crimea Titan PJSC)

P&C Type 1 RCL-9 (by Cristal) RC-30 SumTitan R-2071 TiOx-270, TiOx-271

P&C Type 2 Tioxide TR88 (by Huntsman) RC-44 SumTitan R-202, SumTitan R-203, SumTitan R-204,

SumTitan R-206, SumTitan R-2041, SumTitan R-2061

TiOx-220, TiOx-230

P&C Type 3 Kronos 2044 (by Kronos) RC-80 No Grades No Grades

P&C Type 4 Sachtleben RDI-S (by Huntsman) RC-31 No Grades No Grades

P&C Type 5 Tronox CR-828 (by Tronox) RC-54 SumTitan R-208 TiOx-280

P&C Type 6 (Subtype A) TiPure R-960 (by Chemours [DuPont])

- No Grades No Grades

P&C Type 6 (Subtype B) TiPure R-706 (by Chemours [DuPont])

RC-74 No Grades No Grades

4. Solution to the Problem of the Appropriate Titanium Dioxide Grade Choice for a Particular

Application (Through the Example of ‘Paints&Coatings’ Area).

Criterion: PVC(Pigment Volume

Concentration)

More critical

P&C Type 3 (highly

recommended)P&C Type 2

(can be used)

Less critical

P&C Type 1

P&C Type 2

P&C Type 4

P&C Type 5

P&C Type 6 (Subtypes A, B)



CPVC of P&C Types 1,2,4,5,6 vs P&C Type 3

Hiding Power Series3

Pigment Volume Concentration (PVC)

Hid

ing

Pow

er

P&C Types 1,2,4,5,6

P&C Type 3



Criterion: Weather Resistance

Moderate

P&C Type 1P&C Type 2

P&C Type 3 P&C Type 4

High

P&C Type 5P&C Type 2 (can

be used partially)

Extremely High

P&C Type 6 (Subtype A}

P&C Type 6 (Subtype B}



0 3 6 9 12 15 18 21 24 27 30 33 360

10

20

30

40

50

60

70

80

90

100

Gloss Retention vs Weathering Time

Months

Glos

s (%

)

Low Durability

Medium Durability

High Durability

Superior Durability

P&C Type 1

Anatase Grades of TiO2

P&C Type 2

P&C Type 3

P&C Type 4

P&C Type 5

P&C Type 6 (Subtype A) P&C Type 6

(Subtype B)



Criterion: Gloss of the Coating

Low

P&C Type 3

P&C Type 2

Moderate

P&C Type 2


High

P&C Type 1

P&C Type 2

P&C Type 5


Extremely High

P&C Type 4


Application (Through the Example of ‘Paints&Coatings’ Area

P&C Type 3 P&C Type 6 (Subtype A) P&C Type 2 P&C Type 6 (Subtype B) P&C Type 5 P&C Type 1 P&C Type 40

10

20

30

40

50

60

70

80

90

100

Relative Gloss of different TiO2 types in different films

(in relation to Gloss of P&C Type 4)

Gloss at 85 degree (%) Gloss at 60 degree (%) Gloss at 20 degree (%)



Acid-Base Properties of the Surface

Selection of Wetting and Dispersing Agents

Acid

Dispersing Agent:Good - with base functional groups

Satisfactory – with mixed (acid and base) functional groups

P&C Type 3 P&C Type 6 (Subtype A)

Neutral

Dispersing Agent:Good - with mixed (acid and base) functional groups

Satisfactory – both with acid and base functional groups

P&C Type 2 P&C Type 5 P&C Type 6 (Subtypes A, B)

Base

Dispersing Agent:Good – with acid functional groups

Satisfactory - with mixed (acid and base) functional groups

P&C Type 1 P&C Type 4 P&C Type 5



P&C Type 3


P&C Type 2

P&C Type 5

P&C Type 4

P&C Type 1




Criterion: Carbon Black Undertone (CBU)

Yellow Undertone

P&C Type 2

P&C Type 3


Neutral Undertone

P&C Type 1

P&C Type 2

P&C Type 5

P&C Type 6 (Subtype A, B)

Blue Undertone

P&C Type 1

P&C Type 4

P&C Type 5


Very Blue Undertone

P&C Type 4



-3

-4

-5

-6

-7

-8

-9

-10

-11

-12

Carbon Black Undertoneb*(CIELAB)

P&C Type 3

P&C Type 6 (Subtype A)P&C Type 2

P&C Type 5

P&C Type 1P&C Type 6 (Subtype B)

P&C Type 4

5. Formal Classification of TiO2 Grades by a Particular Type and Full Correspondence Issues

• The given classification of titanium dioxide grades is the result of TiO2 market development under the influence of the world’s top 5 producers and their main customers over the last 50 years. • Generally, other TiO2-producers tend to reproduce the products

offered by Top 5, which either leads to:• Full correspondence with the quality level of the world’s top 5 producers’

grades;• Partial correspondence with the quality level of the world’s top 5 producers’

grades;• Or lack of correspondence with the quality level of the world’s top 5

producers’ grades.


• It is not fairly easy for a TiO2 consumer to assess prima facie the degree of correspondence of the products, manufactured by companies other than Top 5, with the world standards.• Technical Data Sheets (TDS) provided by these producers can contain the

descriptions of products which are very similar to products of the world’s top 5 producers, but in fact the key parameters of those products are not corresponding; • When selecting a new titanium dioxide grade for a particular formulation or

production technology one should take into account the following:• High amounts of SiO2 in the test titanium dioxide grade do not guarantee high and extremely

high weatherability;• Use of Zr compounds in the test titanium dioxide grade does not guarantee that one can obtain

a product with high weatherability;• If the test titanium dioxide grade is chemically similar to P&C Type 1 and P&C Type 4, this does

not guarantee that the grade has superior dispersibility and can be used in the production of high gloss coatings;


• Even if the tests of pilot samples have yielded positive results, it is unknown whether industrial batches will have the same quality level or not and what the quality variability from batch to batch will be; • Some quality assessment tests take a long time, for example, light

fastness or weather resistance tests (accelerated testing will take several months, and research in the natural environment can take a few years).

Thank You for Your Attention

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