SE537921C2 - Radiation curing coating composition - Google Patents
Radiation curing coating composition Download PDFInfo
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- SE537921C2 SE537921C2 SE1400571A SE1400571A SE537921C2 SE 537921 C2 SE537921 C2 SE 537921C2 SE 1400571 A SE1400571 A SE 1400571A SE 1400571 A SE1400571 A SE 1400571A SE 537921 C2 SE537921 C2 SE 537921C2
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
- C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4887—Polyethers containing carboxylic ester groups derived from carboxylic acids other than acids of higher fatty oils or other than resin acids
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/675—Low-molecular-weight compounds
- C08G18/6755—Unsaturated carboxylic acids
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/81—Unsaturated isocyanates or isothiocyanates
- C08G18/8141—Unsaturated isocyanates or isothiocyanates masked
- C08G18/815—Polyisocyanates or polyisothiocyanates masked with unsaturated compounds having active hydrogen
- C08G18/8158—Polyisocyanates or polyisothiocyanates masked with unsaturated compounds having active hydrogen with unsaturated compounds having only one group containing active hydrogen
- C08G18/8175—Polyisocyanates or polyisothiocyanates masked with unsaturated compounds having active hydrogen with unsaturated compounds having only one group containing active hydrogen with esters of acrylic or alkylacrylic acid having only one group containing active hydrogen
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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Description
537 921 likewise preferred embodiments a product obtained in a reaction between (a5) at least one polyalkoxylated polyol and (a6) at least one caprolactone monomer, such as 01-, ß-, y-, ö- or most preferably s-caprolactone.
The urethane (meth)acry1ate of the present invention can be produced according to any process known in art yielding urethane (meth)acrylates, for instance at a temperature of 50-70°C in presence of an inhibitor, such as 4-methoxy phenol, butylated hydroxytoluene, hydroquinone, 2,6-dinitro-4-methylphenol or p-hydroxy anisole, a catalyst, such as stannous octoate, dibutyltin laurate or tin(II) Z-ethylhexanoate, and a solvent, such as toluene, benzene, xylene or the like.
The coating composition of the present invention comprises in certain preferred embodiments additionally (d) 1-15%, such as 1-10% or 5-10%, by weight, calculated on subtotal said components (a) - (c), of at least one matting agent, such as a haptic matting agent. Suitable matting agents can be exempli?ed by, but not limited to, polyamides, such as polyamide 6, polyamide 11 and/or polyamide 12, micronised biopolymers, synthetic amorphous and optionally surface treated silicas, corpuscular crypto-cristalline amorphous silicas, lamellar kaolin and/or inorganically modi?ed polyethylene Wax dispersions.
Said polycaprolactone polyol (al) has in preferred embodiments 2-10, such as 3-7 or 5-6 caprolactone units / molecule, a glass transition temperature (Tg) of less than -40°C, such as less -50°C or even less than -60°C, and a molecular weight (MW) of 1000-6000, such as 1500-5000 or 2000-4000, g/mol. The polycaprolactone polyol can be produced by any method known in the art wherein a caprolactone monomer and a polyol are subjected to ring opening and condensation at a temperature of for instance l60-220°C, such as 180-190°C in presence of a catalyst known in the art, for instance a tin carboxylate, such as tin(II) laurate or tin(II) linear or branched octoate, dibutyltin laurate, dibutyltin acetate, stannous octoate, potassium isooctoate and/or zinc isooctoate. Preferred embodiments of said polyalkoxylated polyol (a5) include, but are not limited to, polyethoxylated, polypropoxylated and/or polybutoxylated diols, triols and polyols having 1-30, such as 1-20 or 2-10, ethoxy, propoxy and/or butoxy units / molecule, and can suitably be exemplified by polyethoxylated and/or polypropoxylated neopentyl glycol, glycerol, di-glycerol, trimethylolethane, trimethylolpropane, trimethylolbutane, di-trimethylolethane, di-trimethylolpropane, di-trimethylolbutane, pentaerythritol and di-pentaerythritol.
Said adduct (a2) is in preferred embodiments obtained at a molar ratio said polyisocyanate (a3) to said hydroxyalkyl (meth)acry1ate (a4) of between 1 to 0.8 and 1 to 1, and in any process known in the art yielding adducts between isocyanates and unsaturated compounds, such as reactions at a temperature of 60-90°C in presence of a catalyst, such as tin(II) laurate, tin(II) 537 921 linear or branched octoate, dibutyltin laurate, dibutyltín acetate, stannous octoate, potassium isooctoate and/or zinc isooctoate, and an inhibitor, such as 4-methoxy phenol, butylated hydroxytoluene, hydroquinone, 2,6-dinitro-4-methylphenol and/or p-hydroxy anisole. The polyisocyanate (a3) is in these embodiments of the adduct (a2) suitably an aliphatic or cycloaliphatic di and/or triisocyanate, such as, but not limited to, hexamethylene diisocyanate, isophorone diisocyanate, dicyclohexyl methane diisocyanate, tetrahydrofuran diisocyanate, cyclohexylene diisocyanate, and/or nonane triisocyanate, and/or NCO-functional dimers, trimers and polyrners thereof or therewith, such as biurets, isocyanurates and allophanates.
Aromatic and unsaturated polyisocyanates, such as toluene diisocyanate, diphenyl methane diisocyanate, xylene diisocyanate, naphthalene diisocyanate, phenylene diisocyanate, triphenyl methane triisocyanate and/or furan diisocyanate, and/or NCO-functional dimers, trimers and polymers thereof or therewith, can of course also be used. The hydroxyalkyl (meth)acrylate (a4) is, in these embodiments of the adduct (a2), preferably and suitably, but not limited to, hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, trimethylolethane di(meth)acrylate, trimethylolpropane di(meth)acrylate, trimethylolbutane di(meth)acrylate and/or pentaerythritol tri(meth)acrylate. Crotonates (rnethyl acrylates) can of course also be used.
Embodiments of said reactive diluent (b) having at least one ole?nic double bond include, but are not limited to, for instance mono, di or polyunsaturated species such as (meth)acrylate esters, vinyl(meth)acrylates, (meth)a1ly1 (meth)acrylates, polyester (meth)acrylates, epoxy (meth)acrylates, urethane (meth)acrylates and melamine (meth)acrylates or corresponding crotonates. Said reactive diluent is suitably selected from the group consisting of (meth)acrylate esters of 2-alkyl-lß-propanediols, 2,2-dialky1-lß-propanediols, 2-alkyl-2- -hydroxyalkyl-lß-propanediols, 2,2-dihydroxyalkyl-1,3-propanediols, polyalkoxylated 2-alkyl-lß-propanediols, polyalkoxylated 2,2-dialkyl-1ß-propanediols, polyalkoxylated Z-alkyl-Z-hydroxyalkyl-lß-propanediols and polyalkoxylated 2,2-dihydroxyalkyl-1,3- -propanediols, Wherein alkyl is C1-Cg linear or branched alkyl and polyalkoxylated is polyethoxylated, polypropoxylated and/or polybutoxylated having 1-30 alkoxy units/molecule.
Said reactive diluent (b) can furthermore be exempli?ed, but not limited to, isobomyl (meth)acrylate, dipropylene glycol di(meth)acrylate, tripropyleneglycol di(meth)acrylate, hexanediol di(meth)acrylate and trimethylolpropane tri(meth)acrylate.
Said photoinitiator (c) is in embodiments suitably selected from the group consisting of benzoins and derivatives thereof, such as benzoin ethers, acetophenones and derivatives thereof, such as 2,2-diacetoxyacetophenonq l,1-dimethoxy-l-hydroxyacetophenone, benzophenones and derivatives thereof, thioxanthones and derivatives thereof, anthraquinones, aroylcycloalcanols, such as l-benzoylcyclohexanol, organophosphorus compounds, such as acylphosphine oxides, acylphosphines, and aminoalkyl phenones. 537 921 Further embodiments of the coating composition according to the present invention comprise additionally at least one pigment, ?ller and/or dye and/or an additive package comprising additives conventionally used in the art, including, but not limited to, ?ow/levelling agents, rheological agents, such as pyrogenic silica, reaction products comprising urea groups and being prepared from amines and polyisocyanates (so called "sag control agents"), inhibitors suppressing premature free-radical polymerisation, therrnal free-radical initiators, catalysts, UV-absorbers, antioxidants, polymer micro-particles, such as silica micro-gels and/or nano-particles.
In a further aspect, the present invention refers to the use of a coating composition as herein disclosed for obtaining a decorative and/or protective topcoat comprising said components (a)-(c) or a haptic decorative and/or protective topcoat comprising components (a)-(d). Haptic properties can only be obtained using correct matting agents. However, binder properties are crucial to ensure good mobility and distribution of the matting agent. Flexibility, viscosity and reactivity, as obtained by the coating composition of the present invention, are thus crucial factors.
Without further elaboration, it is believed that one skilled in the art can, using the preceding description, utilise the present invention to its fullest extent. The following preferred specific embodiments are, therefore, to be construed as merely illustrative and not limitative in any way whatsoever. In the following Examples 1 and 2 illustrate preparation of embodiment polycaprolactone polyols (al) from embodiments of compounds (a5) and (a6), an embodiment adduct (a2) from embodiments of compounds (a3) and (a4), Example 3 illustrates preparation of embodiment polyurethane acrylates (a) from embodiment compounds (al) and (a2) prepared in Examples 1 and 2. Example 4 refers to preparation and evaluations of coating compositions, according to embodiments of the present invention, comprising embodiment components (a)-(c) prepared in Examples l-3. Example 5 present a comparison between a coating composition according to an embodiment of the present invention and a similar coating composition wherein the caprolactone extended alkoxylate structure (al) used as intermediate in preparation of an embodiment urethane acrylate (a) is replaced by a non-alkoxylated structure. Example 6 refers to preparation and evaluations of coating compositions, according to embodiments of the present invention, comprising embodiment components (a)-(c) prepared in Examples 1-3 with addition of matting agents (d).
Example 1 Polycaprolactone polyols were produced by subjecting s-caprolactone to reaction (ring opening and condensation) with either one of the alkoxylated trimethylolpropanes Polyol 3165TM, 537 921 Polyol 3380TM (Perstorp AB, Sweden) or with the propoxylated neopentyl glycol Polyol R2490TM (Perstorp AB, Sweden), having following properties: Polyol 3165 3380 R2490 Hydroxyl functionality 3 3 2 Hydroxyl value (mg KOH/g) 165 :t 25 380 i 25 485 i 25 Molecular weight ( g/mol) 1 010 440 220 Ethoxy units / molecule 20 7 --- Propoxy units / molecule --- 2 at molar ratios yielding polycaprolactone polyols having following properties: Caprolactone polyol 1 2 3 4 5 Caprolactone units / molecule 2.6 5.2 3.9 6.1 6.8 Calc. molecular weight ( g/mol) 2 010 3 022 1 957 2 826 1 993 Acid value (mg KOH/g) 0.10 0.09 0.09 0.06 0.14 Hydroxyl number (mg KOH/g) 84 56 86 60 56 Colour (Hazen) 287 157 117 45 162 Viscosity at 60°C (mPas) 214 429 296 620 450 Tg - DSC (°C) -67 -64 -65 -63 -66 Melting point (°C) 31 37 34 41 45 The reactions were performed at 180-190°C in presence of a tin carboxylate as catalyst and monitored by GC determination of residual e-caprolactone. The reactions Were terminated when the amount of residual e-caprolactone was close to zero.
Example 2 An adduct between isophorone diisocyanate and 2-hydroxyethyl acrylate was produced, at 65-70°C using 4-methoxyphenol as inhibitor and dibutyltin laurate as Catalyst, at a molar ratio said diisocyanate to said acrylate of 1.0 to 0.95.
Example 3 Urethane acrylates were produced by reacting a polycaprolactone polyol obtained in Example 1 and the adduct obtained in Example 2 at a molar ratio hydroxyl groups to isocyanate groups 537 921 of 1.0 to 0.9. The reaction was perfonned at 60°C using butylated hydroxytoluene as inhibitor, dibutyltin laurate as catalyst and toluene as solvent. The reaction was monitored by analysing the NCO-content and stopped when the NCO-value was close to zero. Products having following properties were yielded Urethane acrylate A B C D E Used polycaprolactone polyol 1 2 3 4 5 Calc. molecular weight ( g/mol) 10 600 16 500 10 800 15 200 10 600 C=C concentration (meq/g) 1.07 0.81 1.07 0.82 0.66 Viscosity at 25°C (Pas) 260 320 470 450 Solid Viscosity at 70°C (Pas) 7 11 9 11 7 Tg by DSC (°C) -39 -48 -35 -46 -50 - C=C concentration: Determined using F TIR spectroscopy.
- Tg (glass transition temperature) by DSC: Determined on a Mettler DSC. 10 mg sample was analysed in a 40 uL aluminium pan. Temperature range from -100 to +120°C. Ramp l0°C/min.
Example 4 UV-curing coatings were prepared by mixing 44.8 parts by weight of urethane acrylate A, B, C or D obtained in Example 3, 49.7 parts by weight of tripropylene glycol diacrylate as reactive diluent and 5.5 parts by weight of Irgacure® 1173 (BASF AG) as photoinitiator. Obtained coatings were coated on glass and aluminium panels using a K-bar yielding a wet film having a thickness of 30-40 um. Curing was performed under a H vapour lamp (Fusion F600 max. 240 W/cm) at a UV dose of 5-6 J/cmz.
The cured ?lms exhibited following properties: Coating I II III IV Used urethane acrylate A B C D Hardness (König secs) 43 38 43 42 Erichsen ?exibility (mm) 4.8 4.3 4.5 3.8 Acetone spot test (2 min.) No marking No marking No marking No marking MEK double rubs 23 15 41 26 Tg by DMA (°C max E") -31 -44 -25 -31 537 921 - MEK (methyl ethyl ketone) double rubs: Evaluation according to ASTM D4752.
- Acetone spot test: Evaluation according to SS 83 91 18.
- Tg by DMA (°C max E"): Determined using a Mettler DMA, in tension mode, at a temperature range from -100 to 150°C (ramp 3°C/min). Amplitude and frequency respectively equal to 15 um and 1 Hz. Three specimens of each sample were tested and the average value was reported.
Example 5 UV-curing coatings were prepared by mixing either 44.8 parts by weight of urethane acrylate C, obtained in Example 3, or 44.8 parts by weight of a urethane acrylate Wherein the polyalkoxylated trimethylolpropane (Polyol 3380TM) used in the polycaprolactone polyol was replaced by non-alkoxylated trimethylolpropane, 49.7 parts by Weight of dipropylene glycol diacrylate as reactive diluent and 5.5 parts by weight of Irgacure® 1173 (BASF AG) as photoinitiator. Obtained coatings were coated on glass and aluminium panels and cured as in Example 4.
The cured ?lms exhibited following properties: Coating V. VI .
Embodiment Comparative Viscosity at 23°C (Pas) 0.9 2.7 Hardness (König secs) 68 84 Acetone spot test (2 min.) No marking No marking MEK double rubs 55 83 Tg by DMA (°C max E") -25 19 E' by DMA at 130°C (Mpa) 42 40 Mc (g/mol) 270 275 - MEK (methyl ethyl ketone) double rubs: Evaluation according to ASTM D4752.
- Acetone spot test: Evaluation according to SS 839118.
- Tg (°C max E") and E' by DMA: Determined using a Mettler DMA, in tension mode, under a temperature range from -100 to 150°C (ramp of 3°C/min). Amplitude and frequency respectively equal to 15 um and 1 Hz. Three specimens of each sample were tested and the average value was reported.
- Mc oc (3pRT)/E' Wherein E' is the storage modulus on the rubbery plateau (J -m'3), p is the material density (kg-ms) at T, R is the gas constant (8,314J-mol'1-K'1) and T the temperature at the rubbery plateau (K).
Example 6 UV-curing coatings Were prepared by mixing 44.8 parts by weight of either urethane acrylate A or C or 44.8 parts by weight of a 60/40 (by Weight) mixture of urethane acrylates C and E, obtained in Example 3, 49.7 parts by Weight of dipropylene glycol diacrylate as reactive diluent and 5.5 parts by weight of Irgacure® 1173 (BASF AG) as photoinitiator. Deuteron® UV RS20 (inorganically modified polyethylene Wax dispersion, Deuteron GmbH) or Orgasol® 2001 UD NAT1 (polyamide 12, Arkema, France) was as matting agent and added to obtained compositions in an amount of 10% by weight calculated on said compositions. Obtained 537 921 coatings were coated on glass and aluminium panels as in Example 4.
The cured ?lrns exhibited following properties: Coatíng VII-M VIII-M IX-M X-M Used urethane acrylate A C C+E C+E Matting agent Deuteron Deuteron Deuteron Orgasol Hardness (König secs) 65 63 77 55 Erichsen ?exibility (mm) 4.0 3.5 4.4 4.4 Acetone spot test (2 min.) No marking No marking No marking No marking MEK Double rubs 42 60 56 130 Surface feeling Soft/haptic Soft/haptic Soft/haptic Soft/haptic - MEK(methy1 ethyl ketone) double rubs: Evaluation according to ASTM D4752.
- Acetone spot test: Evaluation according to SS 839118.
Claims (21)
1. 40-70 vikts-% av minst en uretan(met)akrylat vilken är en reaktionsprodukt mellan minst en polykaprolaktonpolyol (al) och minst en addukt (a2), varvid namnd addukt (a2) är en reaktionsprodukt mellan minst en polyisocyanat (a3) och minst ett hydroxialkyl(met)akrylat (a4), varvid namnd polykaprolaktonpolyol (al) är en reaktionsprodukt mellan minst en polyalkoxilerad polyol (a5) och minst en kaprolaktonmonomer (a5), 2. 20-50 vikts-% av minst en reaktiv spadare vilken har minst en olefinisk kol-kol dubbelbindning, samt 3. 0,5-10 vikts-% av minst en fotoinitiator.
2. Ytbelaggningskompositionen enligt krav 1 kannet e c k ad a v, att den vidare innefattar (d) 1-15 vikts-%, beraknat pa summan av komponenterna (a) - (c), av minst ett matteringsmedel.
3. Ytbelaggningskompositionen enligt krav 2 kann et eck ad a v, att namnt matteringsmedel (d) är ett haptiskt matteringsmedel.
4. Ytbelaggningskompositionen enligt krav 2 eller 3 k ann et ec k ad a v, att namnt matteringsmedel (d) är en polyamid, en mikroniserad biopolymer, en syntetisk amorf och eventuellt ytbehandlad silika, en korpuskular krytokristallin amorf silika, ett lamellart kaolin och/eller en oorganisk modifierad polyetylenvaxdispersion.
5. Ytbelaggningskompositionen enligt nagot av kraven 1-4 kanneteck ad a v, att namnd polykaprolaktonpolyol (al) har 2-10 kaprolaktonenheter / molekyl.
6. Ytbelaggningskompositionen enligt nagot av kraven 1-5 k ann e t eckad a v, att namnd polykaprolaktonpolyol (al) har en glasomvandlingstemperatur (Tg) av mindre an -40°C.
7. Ytbelaggningskompositionen enligt nagot av kraven 1-6 kanneteckad av, att namnd polykaprolaktonpolyol (al) har en molekylvikt (M,) av 1000-6000 g/mol.
8. Ytbelaggningskompositionen enligt nagot av kraven 1-7 k ann eteckad a v, att namnd addukt (a2) är framstalld vid ett molforhAllande polyisocyanat (a3) till hydoxialkyl(met)akrylat (a4) av mellan 1 till 0,8 och 1 till 1. 537 921
9. Ytbelaggningskompositionen enligt nagot av kraven 1-8 k ann et eck ad a v, att namnd polyisocyanat (a3) är en alifatisk eller cykloalifatisk di- eller triisocyanat och/eller en NCO-funktionell dimer, trimer eller polymer ddrav eller armed.
10. Ytbeldggningskompositionen enligt nagot av kraven 1-9 k ann et eck ad a v, att namnd polyisocyanat (a3) är hexametylendiisocyanat, isoforondiisocyanat, dicyklohexylmetandiisocyanat, tetrahydrofurandiisocyanat, cyklohexylendiisocyanat och/eller nonantriisocyanat, och/eller en NCO-funktionell dimer, trimer eller polymer darav eller darmed.
11. Ytbeldggningskompositionen enligt nagot av kraven 1-10 k ann et e ck ad a v, att namnt hydroxialkyl(met)akrylat är hydroxietyl(met)akrylat, hydroxipropyl(met)akrylat, trimetyloletandi(met)akrylat, trimetylolpropandi(met)akrylat, trimetylolbutandi(met)- alcrylat och/eller pentaerytritoltri(met)akrylat.
12. Ytbelaggningskompositionen enligt nagot av haven 1-11 k annet e c k ad a v, att namnd polyalkoxilerad polyol (a5) är en polyetoxilerad, polypropoxilerad och/eller polybutoxilerad diol eller triol med 1-30 etoxi-, propoxi- och/eller butoxienheter / molekyl.
13. Ytbelaggningskompositionen enligt nagot av kraven 1-12 kanne t e ck ad a v, att ndmnd polyalkoxilerad polyol (a5) är en polyetoxilerad och/eller polypropoxilerad neopentylglykol, glycerol, trimetyloletan, trimetylolpropan eller trimetylolbutan.
14. Ytbelaggningskompositionen enligt nagot av kraven 1-13 kannet e c k ad a v, att narrind kaprolaktonmonomer (a6) är E-kaprolakton.
15. Ytbeldggningskompositionen enligt nagot av kraven 1-14 k anne t e c k ad a v, att namnd reaktiv spadare (b) är minst ett alkyl(met)akrylat, vinyl(met)akrylat, (met)allyl(met)akrylat, polyester(met)akrylat, epoxi(met)akrylat, uretan(met)akrylat och/eller melamin(met)alcrylat.
16. Ytbelaggningskompositionen enligt nagot av haven 1-15 kannet e ck ad a v, att namnd reaktiv spadare (b) är isobornyl(met)akrylat, dipropylenglykoldi(met)akrylat, tripropylenglykoldi(met)akrylat, hexandioldi(met)akrylat och/eller trimetylolpropantri(met)akrylat.
17. Ytbelaggningskompositionen enligt nagot av kraven 1-16 kannet ec k ad a v, att namnd fotoinitiator (c) dr en bensoineter, en acylfosfin, en acetofenon, en aminoalkylfenon, en bensofenon och/eller en antrakinon. 537 921
18. Ytbelaggningskompositionen enligt nagot av kraven 1-17 k annet eck ad a v, att den vidare innefattar minst ett pigment, fyllmedel och/eller fargamne.
19. Ytbelaggningskompositionen enligt nagot av kraven 1-18 k annet eck ad a v, att den vidare innefattar minst en UV-stabilisator, ett utflytnings/utjamningsmedel, ett reologimedel, en inhibitor och/eller en UV-absorbator.
20. Anvandning av en ytbelaggningskomposition enligt nagot av haven 1-19, for att erhalla en dekorativ och/eller skyddande toppytbelaggning.
21. Anvandning av en ytbelaggningskomposition enligt nagot av kraven 3-19, for att erhalla en haptisk dekorativ och/eller skyddande toppytbelaggning.
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SE1400571A SE1400571A1 (sv) | 2014-12-04 | 2014-12-04 | Radiation curing coating composition |
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JP2017529993A JP6400849B2 (ja) | 2014-12-04 | 2015-11-26 | 電磁線硬化型被覆組成物 |
CN201911149242.6A CN111040620A (zh) | 2014-12-04 | 2015-11-26 | 辐射固化涂料组合物 |
KR1020177017643A KR102429909B1 (ko) | 2014-12-04 | 2015-11-26 | 방사선 경화 코팅 조성물 |
EP15865316.2A EP3227396B1 (en) | 2014-12-04 | 2015-11-26 | Radiation curing coating composition |
PCT/SE2015/000072 WO2016089271A1 (en) | 2014-12-04 | 2015-11-26 | Radiation curing coating composition |
KR1020227026755A KR102492657B1 (ko) | 2014-12-04 | 2015-11-26 | 방사선 경화 코팅 조성물 |
CN201580065570.1A CN107001856B (zh) | 2014-12-04 | 2015-11-26 | 辐射固化涂料组合物 |
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US20200247932A1 (en) | 2017-10-02 | 2020-08-06 | Basf Se | Uv curable compositions with controlled mechanical and chemical properties, methods, and articles therefrom |
KR101953367B1 (ko) * | 2017-12-07 | 2019-05-24 | 삼성디스플레이 주식회사 | 광경화성 수지 조성물 및 이를 이용한 윈도우 부재의 제조 방법 |
WO2020137737A1 (ja) | 2018-12-26 | 2020-07-02 | 株式会社クラレ | 塗工性に優れる組成物 |
EP3990513A1 (en) * | 2019-06-27 | 2022-05-04 | Allnex Belgium, S.A. | Curable compositions with outdoor performances |
EP3838592A1 (en) * | 2019-12-17 | 2021-06-23 | Evonik Operations GmbH | Composition comprising polyesters for additive manufacturing |
CN113528000B (zh) * | 2021-07-09 | 2022-06-21 | 广东华润涂料有限公司 | 可辐射固化的双组分水性涂料组合物以及由其制成的涂布制品 |
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WO2016089271A1 (en) | 2016-06-09 |
SE1400571A1 (sv) | 2015-11-24 |
US10167359B2 (en) | 2019-01-01 |
US20170355807A1 (en) | 2017-12-14 |
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JP6400849B2 (ja) | 2018-10-03 |
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