WO2006047238A2 - Dispersions colorantes liquides pour revetements en poudre - Google Patents
Dispersions colorantes liquides pour revetements en poudre Download PDFInfo
- Publication number
- WO2006047238A2 WO2006047238A2 PCT/US2005/037799 US2005037799W WO2006047238A2 WO 2006047238 A2 WO2006047238 A2 WO 2006047238A2 US 2005037799 W US2005037799 W US 2005037799W WO 2006047238 A2 WO2006047238 A2 WO 2006047238A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pigment
- tinted
- powder coating
- polyester
- dispersions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/006—Preparation of organic pigments
- C09B67/0061—Preparation of organic pigments by grinding a dyed resin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/009—Non common dispersing agents polymeric dispersing agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
- C09D5/035—Coloring agents, e.g. pigments
Definitions
- This invention relates to powder coatings and, more particularly, to a method for the incorporation of a liquid pigment dispersion into a powder coating base resin, and tinted or colored powder coatings incorporating a pigment.
- the premix is then charged to an extruder and processed at an elevated temperature until such time as a uniform melt of the premix is formed.
- Tg glass transition temperature
- processing aids such as polymers, calcium carbonate, silica and talc
- compositions of the invented pigment dispersions are shown below. The amounts are % by weight.
- the following example contains 11.2% pigment and 87.79% Polyester dispersing resin (about 85 to 90% Polyester and 10 to 15% reactive diluent). Polyester Resin with or without reactive diluent 87.79
- modifiers that can be incorporated into the liquid pigment dispersions of the invention to improve certain properties of the final powder coating.
- modifiers include, but are not limited to, ketone-aldehyde resins for Tg improvement, anti ⁇ oxidants for improved UV stability, additives for improved flow, oils for better wetting of high-oil absorptive pigments, and surfactants (both ionic and nonionic) for improved dispersion of high oil-absorption pigments.
- Modifiers that can be used in the example formulations are as follows: soya lecithin, nonoxynol-9 phosphate, mineral spirits and propylene glycol monomethyl ether acetate.
- the pigment dispersions formulated from the present invention useful in industrial powder coating systems as color tinting components. They were tested for compatibility, adhesion and other properties in industrial powder coating bases of the polyester-tri- glicidyisocyanate (TGIC), polyester-polyurethane (PUR) and epoxy-polyester (Hybrid) types. The results obtained demonstrate that the liquid dispersions have broad compatibility, minimal or no adverse effects on physical properties, and in most cases, actually improved color development as compared to dry pigments. The coatings were tested in TGIC, PUR, and Hybrid bases. The pigment dispersions can be used in other bases commonly used by the powder coating industry.
- TGIC polyester-tri- glicidyisocyanate
- PUR polyester-polyurethane
- Hybrid epoxy-polyester
- Additional bases include epoxies, phenolics, novalac-epoxies, silicones, polyester-hydroxyalkylamides, acrylic-hydroxyalkylamides, GMA-acrylics, acrylic-polyurethanes and polyester- tetramethoxymethylglycolurils.
- composition of a powder coating that contains a pigment dispersion (the amounts are by weight percent):
- Pigment dispersion (A, B, C, D use Examples 1, 2, 3 and 5, resp.) 30.0
- Polyester resin OH value: 50 mg KOH/g polymer 571.6 ⁇ -caprolactam blocked polyisocyanate, NCO content 15.3% 139.8
- Example 17 (Comparative) - Yellow iron oxide with TGIC base
- Polyester resin Acid value: 35.0 mg KOH/g polymer 661.6 Triglycidylisocyanurate 49.8
- Polyester resin Acid value: 35.0 mg KOH/g polymer 655.6 Triglycidylisocyanurate 49.3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62096404P | 2004-10-21 | 2004-10-21 | |
US60/620,964 | 2004-10-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006047238A2 true WO2006047238A2 (fr) | 2006-05-04 |
WO2006047238A3 WO2006047238A3 (fr) | 2008-12-24 |
Family
ID=36228261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/037799 WO2006047238A2 (fr) | 2004-10-21 | 2005-10-21 | Dispersions colorantes liquides pour revetements en poudre |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2006047238A2 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2113537A1 (fr) | 2008-04-28 | 2009-11-04 | Dupont Powder Coatings France S.A.S. | Composition de revêtement par pulvérisation |
US7659340B2 (en) | 2005-03-18 | 2010-02-09 | Valspar Sourcing, Inc. | Low VOC universal paint colorant compositions |
WO2010103019A1 (fr) * | 2009-03-13 | 2010-09-16 | Akzo Nobel Coatings International B.V. | Processus d'extrusion de revêtement en poudre |
EP2316893A1 (fr) | 2009-10-28 | 2011-05-04 | Dupont Powder Coatings France S.A.S. | Procédé de fabrication de compositions de revêtement en poudre |
US8034853B2 (en) | 2009-04-28 | 2011-10-11 | E.I. Du Pont De Nemours And Company | Powder coating composition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226760A (en) * | 1979-05-09 | 1980-10-07 | Tenneco Chemicals, Inc. | Colored rigid thermoplastic resin compositions and a process for their production |
US5650255A (en) * | 1996-09-03 | 1997-07-22 | Xerox Corporation | Low shear toner aggregation processes |
-
2005
- 2005-10-21 WO PCT/US2005/037799 patent/WO2006047238A2/fr active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226760A (en) * | 1979-05-09 | 1980-10-07 | Tenneco Chemicals, Inc. | Colored rigid thermoplastic resin compositions and a process for their production |
US5650255A (en) * | 1996-09-03 | 1997-07-22 | Xerox Corporation | Low shear toner aggregation processes |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7659340B2 (en) | 2005-03-18 | 2010-02-09 | Valspar Sourcing, Inc. | Low VOC universal paint colorant compositions |
US8242206B2 (en) | 2005-03-18 | 2012-08-14 | Valspar Sourcing, Inc. | Low VOC universal paint colorant system |
EP2113537A1 (fr) | 2008-04-28 | 2009-11-04 | Dupont Powder Coatings France S.A.S. | Composition de revêtement par pulvérisation |
WO2010103019A1 (fr) * | 2009-03-13 | 2010-09-16 | Akzo Nobel Coatings International B.V. | Processus d'extrusion de revêtement en poudre |
US8034853B2 (en) | 2009-04-28 | 2011-10-11 | E.I. Du Pont De Nemours And Company | Powder coating composition |
EP2316893A1 (fr) | 2009-10-28 | 2011-05-04 | Dupont Powder Coatings France S.A.S. | Procédé de fabrication de compositions de revêtement en poudre |
Also Published As
Publication number | Publication date |
---|---|
WO2006047238A3 (fr) | 2008-12-24 |
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