EP1776412A1 - Accelerateur de durcissement - Google Patents

Accelerateur de durcissement

Info

Publication number
EP1776412A1
EP1776412A1 EP05775134A EP05775134A EP1776412A1 EP 1776412 A1 EP1776412 A1 EP 1776412A1 EP 05775134 A EP05775134 A EP 05775134A EP 05775134 A EP05775134 A EP 05775134A EP 1776412 A1 EP1776412 A1 EP 1776412A1
Authority
EP
European Patent Office
Prior art keywords
nanoparticulate
semiconductor materials
materials according
oxide
polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05775134A
Other languages
German (de)
English (en)
Inventor
Adalbert Huber
Marc Entenmann
Alfred Hennemann
Matthias Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of EP1776412A1 publication Critical patent/EP1776412A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/69—Particle size larger than 1000 nm
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

Definitions

  • the present invention relates to nanoparticulate curing accelerators, preparations prepared therefrom, in particular masterbatches containing nanoparticles and their use in polymer matrices, in particular paints and printing inks of all kinds, which place the highest demands on color neutrality or transparency.
  • Nanopartite doped compounds in particular doping of tin oxides with antimony and / or indium play a role in many applications in which the outstanding physical properties such as electrical conductivity, thermal conductivity, absorption of long-wave and very short-wave radiation must be combined with transparency and color neutrality in the visual Light range at low application concentration.
  • the nanoparticle is produced either by solvolysis or by electrochemical means.
  • the surface of the particles is modified in situ, stabilizing the particle and adapting it to the application matrix.
  • it is disadvantageous that in these processes it can not be ruled out entirely that some of these inclusions of surface modifying agents can be incorporated into the nanoparticles themselves, or to incompatibility with the matrix, comes. This often reduces the applicability of the doped, in particular tin oxide-based, nanoparticles thus produced.
  • these methods are often difficult to ascertain and are not economical for the quantities needed in the paint area.
  • the object of the present invention is to provide nanoparticulate semiconductor materials which do not have the abovementioned disadvantages.
  • the surface of nanoparticulate semiconductor materials can be favorably influenced if coarser-particle precursors serve as the basis for the preparation of nanoparticles.
  • the advantages are, in particular, the achievable high purity of the surface, especially if the stabilization of the nanoparticles does not take place as usual with dispersing additives, but rather electrostatically in aqueous media via the setting of a zeta potential which is sufficient in terms of magnitude.
  • the zeta potential is> 30 mV, in particular> 60 mV.
  • the present invention thus nanoparticulate semiconductor materials prepared by coarse-particle precursors, in the particle size range of 0.1 to 50 microns, in the aqueous medium at a pH of 6-11, ground.
  • the nanoparticles produced in this way are characterized by their high purity, their absence of foreign substances and their high absorption in the IR range.
  • the invention furthermore relates to the use of the nanoparticulate semiconductor materials according to the invention for the IR curing of polymer matrices, in particular in the field of lacquers and printing inks, and to the use of the nanoparticulate semiconductor materials in polymer masterbatches and polymer preparations.
  • Suitable precursors having particle sizes of from 0.1 to 50 ⁇ m, preferably from 0.5 to 20 ⁇ m and in particular from 1 to 10 ⁇ m, are used of mechanical energy in aqueous media, preferably water or water-miscible organic solvents, such as methanol, ethanol, diols, triols, at a pH of 6-11, crushed.
  • aqueous media preferably water or water-miscible organic solvents, such as methanol, ethanol, diols, triols, at a pH of 6-11, crushed.
  • Semiconductor materials produced in this way are characterized by being very stable and having a very pure surface and composition. Nanoparticles prepared in this way can be dried after the milling or they are added in solution to the aqueous application systems.
  • additives in particular thickeners, wetting agents, dispersing aids and other additives, during or after the grinding process in order to increase the compatibility with different matrices.
  • the additives may be polymeric, oligomeric and monomeric additives. These preparations consisting of nanoparticles, additives and optionally water or water / solvent mixture can thus be both solid and liquid preparations.
  • the present invention also relates to preparations containing nanoparticles, additives and optionally water or a water / solvent mixture. These preparations can be used for example in matrix polymers, such as. As polymer masterbatches and find in polymer preparations application.
  • the nanoparticles When incorporating the nanoparticles into nonaqueous systems, the nanoparticles are previously stripped of the aqueous medium, e.g. by drying or slow evaporation using strong mechanical shear. Subsequently, the dry or dried nanoparticles are introduced into a matrix polymer melt using high shear energies. Additives of excipients which facilitate the homogeneous incorporation of the nanoparticles into the polymer melt, e.g. amphiphilic nonionic copolymers, e.g. Polyether-based polymer systems often facilitate the transfer of the nanoparticles into the corresponding melt of the matrix polymer.
  • the electrostatically stabilized, aqueous dispersion can be added directly into the polymer melt using an extruder by the action of high shear forces. If necessary, you can - A -
  • Additives are added.
  • masterbatches or polymer preparations which contain the nanoparticles according to the invention in concentrations of up to 30%, preferably 1-30%, in particular 5-10%.
  • These can then be used in powder clearcoat systems, the effective concentration being about 0.3-0.8% of nanoparticles based on solid polymer.
  • the clearcoat systems produced in this way exhibit significantly increased heating rates on IR irradiation.
  • Suitable light and transparent semiconductor materials as IR curing accelerators are, in particular, indium (III) oxide, tin, tin (IV) oxide, zinc oxide, antimony and mixtures thereof. Very particular preference is given to tin oxide.
  • IR curing accelerators are tin (IV) oxide,
  • Antimony (III) oxide indium tin oxide (ITO) or antimony (III) oxide and mixtures thereof.
  • doped tin oxides additionally show a strong absorption in the UV range, which is very advantageous in clearcoat systems, since typical UV protective pigments, such as, for example, TiO 2 pigments, are absent in high concentrations. An additional UV protection is therefore desirable, especially in clearcoat systems.
  • the nanoparticulate semiconductor materials according to the invention generally have a primary particle average particle sizes (d 5 o) of 10 to 80 nm, preferably from 20 to 50 nm, especially 20 to 30 microns.
  • the semiconductor material is preferably constructed microcrystalline.
  • Particularly preferred curing accelerators are transparent or light-colored semiconductor materials with a powder resistance of ⁇ 20 ⁇ • m, preferably of ⁇ 5 ⁇ • m.
  • a particularly preferred curing accelerator is an antimony (III) oxide-doped tin (IV) oxide. Further preferred are additions of indium oxides as dopants. In addition to antimony (III), preferably antimony (III) oxide, halides, preferably chlorides and fluorides, are furthermore suitable as dopant, in particular for tin oxides.
  • the doping is dependent on the semiconductor material used and is generally 0.5 to 30% by weight, preferably 2 to 25% by weight, in particular 5 to 16% by weight, based on the semiconductor material.
  • Tin oxides are preferably doped with 0.5 to 30% by weight, in particular 1 to 12% by weight and very particularly preferably 5 to 10% by weight.
  • the dopants used are preferably antimony or antimony compounds.
  • mixtures of nanoparticulate semiconductor materials as curing accelerators, in particular of polymer matrices such as lacquers and printing inks, wherein the mixing ratio has no limits.
  • Preferred mixtures are indium-tin oxides with doped tin (IV) oxides and indium-tin oxide with doped zinc oxides.
  • nanoparticles of the present invention with platelet-curing accelerators such as Minatec.RTM ® 30 or Minatec.RTM ® 31, products can continue in a particular embodiment, Merck KGaA, are mixed Fa..
  • the latter preferably have particle sizes of 5-100 ⁇ m.
  • This mixture of nanoparticles / platelets preferably contains 2-98% by weight, in particular 50-98% by weight and very particularly preferably 80-98% by weight of the nanoparticulate semiconductor materials according to the invention.
  • Such mixtures of platelet-shaped curing accelerators which ensure an excellent surface coverage which is as transparent as possible, preferably in the visible light range, with nanoparticles according to the invention, which additionally have good thermal conductivity and which ensure strong IR absorption and heat conduction within the matrix volume, are advantageous for all Polymer matrices known to the person skilled in the art.
  • Mixtures of two, three or more nanoparticulate semiconductor materials can also be added to the application systems. The total concentration depends on the application system. For example, in the paint system or in the printing ink, the total concentration of semiconductor material mixture should not exceed 10
  • the curing accelerator (s) are preferably added to the paint system or the printing ink in amounts of from 0.01 to 10.0% by weight, in particular from 0.01 to 8.0% by weight, particularly preferably in amounts of 0.05 - 5.0 wt.%, Based on the paint or the ink added.
  • the nanoparticulate semiconductor materials according to the invention are prepared by milling a suitable precursor having particle sizes of particle size range from 0.1 to 50 .mu.m, preferably from 0.5 to 10 .mu.m, in particular from 1 to 10 .mu.m, in water or in an aqueous solvent mixture.
  • Suitable precursors are in particular doped or undoped, light and transparent Halbleiter ⁇ materials, in particular indium oxide, tin, tin oxide, antimony and mixtures thereof. Very particular preference is given to tin oxide, in particular antimony-doped tin oxide.
  • Suitable precursors are commercially available, for. B. from the company. Merck KGaA under the brand Minatec ® 230th
  • the milling of the precursor takes place in water.
  • Suitable organic solvents are in particular alcohols, e.g. Ethanol, propanol, butanol, cyclohexanol, glycols, e.g. Ethylene or propylene glycols.
  • Suitable mills are ball mills, bead mills, and more
  • the pH is adjusted to 6-11, preferably pH 8-11.
  • the pH depends on the precursor used and can easily be determined by the person skilled in the art.
  • the grinding process lasts 2 to 48 hours, preferably 10 to 24 hours, depending on the precursor used.
  • the nanoparticles are necessary unless removed by centrifugation, and then out at temperatures from 40 to 130 0 C, particularly 50-80 0 C, preferably by applying vacuum dried.
  • the milling is preferably carried out at concentrations of the precursor material of 5 to 20%, particularly preferably at concentrations of Precursor ⁇ material of 10 to 20%, depending on the viscosity of the resulting nanoparticle dispersion. It should also be sought as high as possible filling level of hard finely divided grinding media.
  • Nanoparticulate doped tin oxides are preferably prepared by coarse-particle precursors in the particle size range from 0.1 to 50 .mu.m, in particular 1 to 10 .mu.m, at a pH of 9-11, an intensive
  • Combination with platelet-shaped curing accelerators is stirred before application to an object, for example a lacquer or an ink.
  • an object for example a lacquer or an ink.
  • This is preferably done using a high speed stirrer or, in the case of hard dispersible, mechanically insensitive cure accelerators, by using a bead mill or shaker.
  • Other dispersing units known to those skilled in the art are also possible.
  • the paint or ink in the air is physically cured using IR irradiation, or chemically crosslinked.
  • the curing time of the paint layer or the ink is very much shortened, or the use of IR drying in transparent paint systems, such as powder coatings, only economically feasible, as these themselves, as an organic compound hardly absorb in the near, high-energy infrared range. The more efficient effect can easily be determined by the significantly accelerated temperature development on IR irradiation of a transparent polymer layer which contains nanoparticles according to the invention in comparison to the corresponding sample
  • nanoparticulate IR curing accelerators according to the invention are therefore suitable, in particular because of their transparency, for IR clearcoat materials of all kinds.
  • the acceleration of the curing can also have a positive effect on overlying IR lacquer layers, depending on the pigmentation of these overlying lacquer layers and the heat influences.
  • the invention furthermore relates to polymer matrices, such as e.g. Printing inks, industrial coatings and automotive coatings, including clearcoats containing the nanoparticle IR curing accelerator according to the invention.
  • polymer matrices such as e.g. Printing inks, industrial coatings and automotive coatings, including clearcoats containing the nanoparticle IR curing accelerator according to the invention.
  • Suitable coating systems include, in particular, IR-curable coatings in the field of powder coatings, as well as solvent-based systems. Also suitable are film applications and plastic welding, as well as solvent-based or aqueous IR printing inks for all common types of printing, such as e.g. Gravure printing, flexo printing, letterpress printing, textile printing, offset printing, screen printing, security printing.
  • Example 1 Preparation of a nanoparticulate antimony-doped tin oxide
  • the d 50 value of the particle size is about 50 nm.
  • a hydroclearcoat is mixed with in each case 0.5% nanoparticulate zinc oxide, tin oxide and the antimony-doped tin oxide nanoparticles from Example 1 and applied at a constant layer thickness to a metal substrate.
  • the development of the surface and substrate temperature is measured as a function of time when irradiated with an IR source.
  • nanoparticulate antimony-doped zinc oxide (based on the solids) from Example 1 (Cytec, West Paterson, USA Fa.) 633 with Crylcoat ® were added and pre-dried 2 h at 25 0 C and 50 mbar. In the subsequent extrusion, the residual water is separated via the degassing. A transparent powder coating masterbatch is obtained which contains the nanoparticulate antimony-doped zinc oxide according to the invention in a finely dispersed state.
  • Example 4 Preparation and comparison of color-neutral, preferably transparent IR-absorbing powder coating systems
  • the heating behavior is tested on aluminum sheets after the electrostatic powder coating application.
  • the surface temperature is measured during irradiation with an IR source.
  • the following 3 samples are compared:
  • Powder coating sample 1 Preparation of an antimony-doped zinc oxide powder clearcoat containing nanoparticulate antimony-doped zinc oxide
  • Powder coating sample 2 comparative sample pigmented with precursor Minatec ® 230
  • Powder coating sample 3 Comparative sample of unpigmented powder clearcoat
  • the powder clearcoat which contains the nanoparticle preparation according to the invention according to Example 3, achieves the fastest or largest heating.
  • a significantly worse temperature development shows the precursor Minatec ® 230 pigmented powder coating sample 2, which is visually not completely transparent.
  • the unpigmented powder clearcoat has a very slow temperature development.
  • only powder coating sample 1 achieves the necessary for complete crosslinking high temperatures by IR irradiation.

Abstract

La présente invention concerne des accélérateurs de durcissement nanométriques, les préparations produites avec ces derniers, notamment les mélanges maîtres contenant des nanoparticules et leur utilisation dans des matrices polymériques, notamment des peintures et encres d'impression de tous types ayant des exigences élevées en termes de neutralité de couleur ou de transparence.
EP05775134A 2004-08-12 2005-08-08 Accelerateur de durcissement Withdrawn EP1776412A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410039358 DE102004039358A1 (de) 2004-08-12 2004-08-12 Härtungsbeschleuniger
PCT/EP2005/008565 WO2006018169A1 (fr) 2004-08-12 2005-08-08 Accelerateur de durcissement

Publications (1)

Publication Number Publication Date
EP1776412A1 true EP1776412A1 (fr) 2007-04-25

Family

ID=35044983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05775134A Withdrawn EP1776412A1 (fr) 2004-08-12 2005-08-08 Accelerateur de durcissement

Country Status (5)

Country Link
US (1) US9114983B2 (fr)
EP (1) EP1776412A1 (fr)
DE (1) DE102004039358A1 (fr)
TW (1) TW200621865A (fr)
WO (1) WO2006018169A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008005826A1 (de) 2007-02-09 2008-08-14 Merck Patent Gmbh Polymermodifizierte Partikel
DE102007029283A1 (de) * 2007-06-22 2008-12-24 Merck Patent Gmbh Härtungsbeschleuniger
JP5168463B2 (ja) * 2007-11-06 2013-03-21 ブラザー工業株式会社 水系インクジェット記録用赤外吸収インク、インクジェット記録方法及びインクジェット記録装置
DE102009058297A1 (de) 2009-12-01 2011-06-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. N-Allylcarbamat-Verbindungen und deren Verwendung, insbesondere in strahlungshärtenden Beschichtungen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071800A (en) * 1989-02-28 1991-12-10 Tosoh Corporation Oxide powder, sintered body, process for preparation thereof and targe composed thereof
US5296168A (en) * 1989-08-03 1994-03-22 E. I. Du Pont De Nemours And Company Electroconductive particles and method for adjusting the isoelectric point thereof
EP0585819B1 (fr) * 1992-08-31 1997-04-16 Sumitomo Cement Co. Ltd. Couche de revêtement anti-réfléchissante et anti-statique pour un tube à rayons cathodiques
JPH06184470A (ja) * 1992-12-21 1994-07-05 Hitachi Chem Co Ltd 導電塗料組成物及び導電塗膜の製造法
KR100214428B1 (ko) * 1993-06-30 1999-08-02 후지무라 마사지카, 아키모토 유미 적외선차단재와 그것에 사용하는 적외선차단분말
DE19511012A1 (de) 1994-04-06 1995-10-12 Merck Patent Gmbh Oberflächenmodifiziertes, leitfähiges Pigment
US5654090A (en) * 1994-04-08 1997-08-05 Nippon Arc Co., Ltd. Coating composition capable of yielding a cured product having a high refractive index and coated articles obtained therefrom
US5484694A (en) * 1994-11-21 1996-01-16 Eastman Kodak Company Imaging element comprising an electrically-conductive layer containing antimony-doped tin oxide particles
NL1004635C2 (nl) * 1995-12-06 1999-01-12 Sumitomo Chemical Co Indiumoxyde-tinoxydepoeders en werkwijze voor het voortbrengen daarvan.
DE19823867A1 (de) 1998-05-28 1999-12-02 Merck Patent Gmbh Pigmentmischung
US7015280B2 (en) * 2002-03-22 2006-03-21 Northern Illinois University Conductive emulsion for preparing surface for powder coating
DE10261541A1 (de) 2002-12-23 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Indium-Zinn-Oxid enthaltendes Material, Verfahren zu seiner Herstellung und dieses Material enthaltende Beschichtungen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2006018169A1 *

Also Published As

Publication number Publication date
WO2006018169A1 (fr) 2006-02-23
DE102004039358A1 (de) 2006-02-23
US20090288581A1 (en) 2009-11-26
TW200621865A (en) 2006-07-01
US9114983B2 (en) 2015-08-25

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