CN108559366A - Except formaldehyde ultraviolet curing coating system - Google Patents

Except formaldehyde ultraviolet curing coating system Download PDF

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Publication number
CN108559366A
CN108559366A CN201810497452.3A CN201810497452A CN108559366A CN 108559366 A CN108559366 A CN 108559366A CN 201810497452 A CN201810497452 A CN 201810497452A CN 108559366 A CN108559366 A CN 108559366A
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China
Prior art keywords
coating
coating composition
acrylate oligomer
base material
present
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CN201810497452.3A
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Chinese (zh)
Inventor
孙美茹
薛茂谊
李贵生
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PPG Coatings Tianjin Co Ltd
PPG Industries Ohio Inc
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PPG Industries Ohio Inc
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Priority to CN201810497452.3A priority Critical patent/CN108559366A/en
Publication of CN108559366A publication Critical patent/CN108559366A/en
Priority to PCT/CN2019/087942 priority patent/WO2019223714A1/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/331Polymers modified by chemical after-treatment with organic compounds containing oxygen
    • C08G65/332Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
    • C08G65/3322Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10Epoxy resins modified by unsaturated compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • C09D7/62Additives non-macromolecular inorganic modified by treatment with other compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/28Nitrogen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/346Clay
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/17Amines; Quaternary ammonium compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention provide it is a kind of be substantially free of VOC except formaldehyde high solids content ultraviolet curing coating composition, it includes acrylate oligomer, monomer and remove formaldehyde additive.The present invention also provides the high solids content uv curing coating compositions to be used to coat the application of base material, the base material for being coated the method for base material with the ultraviolet curing coating composition and being coated through the ultraviolet curing coating composition.

Description

Except formaldehyde ultraviolet curing coating system
Invention field
The present invention relates to be substantially free of VOC except formaldehyde ultraviolet curing coating composition, in particular to comprising The uv curing coating composition of the acrylate oligomer of the additive especially selected and the high solids content of monomer.The present invention is also It is related to the preparation method of the coating composition, the application of the coating composition base material and through the coating composition Base material.
Background technology
To provide better surfacecti proteon performance and environmental-protecting performance, people use function on material surface more and more Coating.The present invention is directed to by improving solid part in being formulated, introduce the resin and photoinitiator especially selected, and reduce molten Dosage, to reach Diamond Search discharge and film curing after low smell.Formaldehyde is specifically removed simultaneously as being introduced in formula Additive, coating composition of the invention have the function of removing formaldehyde and purifying air, realize the purpose of environmental protection and meet user High requirement.Further, since using UV-curing technology, coating composition of the invention can significantly shorten hardening time, Production efficiency is improved, meanwhile, the temperature of ultraviolet light solidifying requirements is low, can save energy consumption.
Invention content
The present invention provides a kind of high solids content new ultra-violet cure coating compositions for plastics and the wooden base material.The painting Feed composition has used the light-cured resin and monomer of special selection, and does not include any volatile component, realizes required Superperformance combination.
In one aspect, the present invention provides a kind of high solids content uv curing coating compositions comprising acrylate Oligomer, monomer and remove formaldehyde additive.
It yet still another aspect, the present invention provides high solids content uv curing coating compositions as described above for coating base The application of material.
In yet other aspects, the present invention provides a kind of methods of coating base material, including:(a) with as described above high Solid content uv curing coating composition coating at least partly base material, coated weight are 6~100g/m2;(b) it is adjusted by infrared processing The gloss of whole coated base material;(c) curing of coating composition is made by ultraviolet irradiation.
In still yet other aspects, at least partly have by high solids content as described above purple the present invention provides a kind of The base material for the coating that outer cure coating compositions are formed.
Specific implementation mode
For the purpose of following detailed description, it should be understood that the present invention can be used various replacements variation and step it is suitable Sequence, unless specifically stated on the contrary.In addition, in the case of in addition in any operational instances or otherwise pointing out, indicate Such as all numbers of the amount of the ingredient used in description and claims should be understood in all cases by term " about " it modifies.Therefore, unless indicated to the contrary, the numerical parameter otherwise illustrated in the following description and appended dependent claims is root The approximation changed according to the expected performance of the invention to be obtained.It is at least not intended to the applicable of doctrine of equivalents being limited in In the scope of the claims, each numerical parameter at least according to the number of the effective digital of report and should pass through the common house of application Enter technology to explain.
Although illustrating that the broad range of numberical range of the present invention and parameter are approximations, listed in specific example Numerical value is reported as accurately as possible.However, any numerical value includes inherently the standard deviation found in being measured by its each self-test The certain errors necessarily led to.
In addition, it should be understood that any numberical range as described herein is intended to include being included into all subranges therein.Example Such as, the range of " 1 to 10 " is intended to include all sub- models between (and including) described minimum value 1 and the maximum value 10 It encloses, that is, there is the minimum value equal to or more than 1 and the maximum value equal to or less than 10.
In this application, unless expressly stated otherwise, singular use includes plural number and plural number includes odd number.In addition, In the application, unless expressly stated otherwise, otherwise "or" is used to indicate "and/or", even if can clearly make in some cases Use "and/or".In addition, in this application, unless expressly stated otherwise, otherwise using " one (a) " or " one (an) ", expression is " at least One ".For example, "an" polymer, "an" coating composition etc. refers to any one or more in these articles.
In one aspect of the invention, a kind of high solids content uv curing coating composition is provided, it uses special The combination of the acrylate oligomer and monomer of selection, thus provides the performances such as excellent wearability, endurance, flexibility Combination.In addition, what is especially selected and be modified by introducing removes formaldehyde additive, being formed by coating composition can fully absorb Formaldehyde components present in its use environment, to assign use environment higher safety.
As used herein, term " solid content " refers to that remainder accounts for breast after lotion or coating are dried under prescribed conditions The mass percent of the total amount of liquid or coating.As used herein, term " high solids content " refers in associated resin or composition Solid content be up to 95~100%.In other words, the resin or composition are adjustable as being free of any volatile organic components (VOC), or it can be properly added a small amount of solvent according to the requirement of coating mobility and application viscosity, for example, 0~5%.Therefore, The coating composition of the present invention is formed by coating and is substantially free of VOC, and smaller to the harm of human body, fire risk is relatively low, energy It is enough to meet even most harsh VOC emission standard, it is a kind of green product with good environmental-protecting performance.
The acrylate oligomer used in coating composition of the present invention has the weight within the scope of 200-4000g/mol equal Molecular weight (Mw), the Mw within the scope of preferably 300-2000g/mol.Preferably, it can be used for the propylene in coating composition of the present invention Acid esters oligomer may include epoxy acrylate oligomer, polyether acrylate oligomer, urethane acrylate oligomer or Its mixture.The example of available epoxy acrylate oligomer includes but not limited to the ETERCURE purchased from Eternal 621A-80, the 6105-70Y purchased from SANMU, the EBECRYL 605 purchased from Allnex.Available polyether acrylate oligomer Example include but not limited to purchased from RAHN GENOMER 3414, the LAROMER PO 94F etc. purchased from Basf.It is available poly- The example of urethane acrylate oligomer includes but not limited to purchased from the 6318P in SANMU, 5311 etc. purchased from KETIAN.
Preferably, the acrylate oligomer includes epoxy acrylate oligomer, polyether acrylate oligomer, gathers The mixture of urethane acrylate oligomer, weight ratio are epoxy acrylate oligomer:Polyether acrylate oligomer:It is poly- Urethane acrylate oligomer=15-25:3-8:5-10.The coating composition of the invention prepared according to above-mentioned resin ratio, Can be while ensureing coating property, imparting film is preferably open, and the free formaldehyde in air can preferably be made to be painted Film is absorbed and is reacted, to reach best formaldehyde absorption rate.In addition, the antimicrobial component in paint film (if present) can It plays a role, reaches antibacterial surface effect.
In the coating composition of the present invention, the dosage of the acrylate oligomer can be 5~80 parts by weight, preferably 10 ~50 parts by weight.
The monomer used in coating composition of the present invention may include or be selected from as known in the art one or more third Olefin(e) acid ester and/or methacrylate.Its example includes, but are not limited to be selected from C1-18 fatty alcohols acrylate/(methyl) third Olefin(e) acid ester, C1-18 alicyclic ring alcohols acrylate/(methyl) acrylate and/or C1-18 aromatic alcohols acrylate/(methyl) propylene One or more or their mixture in acid esters.In the coating composition of the present invention, preferred monomer may include three Hydroxymethyl-propane triacrylate, dipropylene glycol diacrylate, ethoxyquin 1,6 hexanediol diacrylate or it is arbitrary mixed Close object.The said goods can be commercial product or be synthesized according to methods known in the art.
In the coating composition of the present invention, the dosage of the monomer can be 5~80 parts by weight.
The combination that the acrylate oligomer and monomer of special selection have been used in the coating composition of the present invention, to Coating composition with good skid resistance, wearability, flexibility and environmental-protecting performance is provided.
Other than acrylate oligomer as described above and monomer, high solids content uv curing coating group of the invention It closes object and may also include other additives.The example of other additives includes, but are not limited to photoinitiator, except formaldehyde additive, increasing Mould agent, antibacterial additives, antisettling agent, pigment, delustering agent, wax, abrasive material, dispersant or one or more of which mixture Or combination.
It also may include photoinitiator in the coating composition of the present invention to contribute to the solidification of composition.Suitable for this Photoinitiator in invention can be any type as known in the art.The example of photoinitiator may include but be not limited to organic mistake Oxide, azo-compound, quinone, benzophenone, nitroso compound, acryloyl halide, hydrazone, sulfhydryl compound, pyrans chemical combination Object, triacrylimidazoles, bisglyoxaline, diketone (such as diphenyl diketone and diacetyl), phenyl ketone (such as acetophenone, 2,2, 2- tri--bromo- 1- Phenyl ethyl ketones, 2,2- diethoxy acetophenones, 2,2- dimethoxy -2- phenyl acetophenones, tri- bromo- 1- of 2,2,2- Bis- (dimethylamino) benzophenone of (2- nitrobenzophenones) ethyl ketone, benzophenone, 4,4-) and acyl phosphate.Business can be passed through The example for the photoinitiator that channel obtains includes (the 1- hydroxy-cyclohexyl benzene of trade name IRGACURE 184 of Ciba companies production Base ketone), the photoinitiator of IRGACURE MBF and DAROCUR 1173 (2- hydroxy-2-methyls -1- phenyl -propyl- 1- ketone);And The photoinitiator of the trade name JRCure BP of long day chemical production;Etc..
In the coating composition of the present invention, the dosage of photoinitiator can be 0~20 parts by weight, preferably 0.5 parts by weight~ 10 parts by weight.
Also it may include in the coating composition of the present invention except formaldehyde additive to contribute to the ring of increase coating composition Guarantor property.It is conventional except formaldehyde additive is used to water-based system or solvent-based system at present, the purple being not particularly suited in the present invention The coating material solidified system of outside line.Specifically, except formaldehyde additive is both needed to be dissolved in water or solvent, it is then added to coating system later In.However, the UV coating systems in the present invention are almost 100% solid content system, aqueous auxiliary agent or solvent can not be carried.This Outside, the fineness requirement required by coating will be unable to reach in the additive high speed dispersion to coating.The present inventor is right by research It is conventional except formaldehyde additive is modified, develop can be used for large arch dam UV coating systems except aldehyde additive.By except The branched structures such as acrylate, epoxy, polyester are accessed in aldehyde component molecules structure, make molecular structure and polarity except aldehyde additive It is approached with for the UV resins in the present invention, to improve its intermiscibility.In addition, selection is carried except the suitable liquid phase of aldehyde additive Body namely dissolubility and polarity with both similar UV monomers, remove mixing for aldehyde additive and UV coating to further increase Property, finally enable steadily to be present in UV coating except aldehyde ingredient.In principle, added suitable for the formaldehyde that removes in the present invention Agent can be any type as known in the art for carrying out above-mentioned modification.Its example for example includes, but are not limited to acetoacetyl Amine, hydrazine derivate, zeolite, nanometer silicon chip and 2- amido glucose etc..Preferably, remove formaldehyde additive include with acrylate, Or mixtures thereof the structurally-modified nanometer silicon chip of epoxy, polyester branches, 2- amido glucose.
Inventor it was unexpectedly found that be modified in the present invention except formaldehyde additive it is low with acrylic acid recited above Polymers and single phase combine obtained coating composition especially suitable for UV photocuring systems.
The present invention coating composition in, except formaldehyde additive dosage can be 0.5~10 parts by weight, preferably 0.5~5 Parts by weight.
The present invention coating composition in also may include plasticizer with contribute to increase coating composition flexibility and Improve its processing performance.Can be any type as known in the art suitable for the plasticizer in the present invention.Its example includes, But it is not limited to, diethyl phthalate, polyethylene glycol-400, triacetin, triacetin citrate, the third two Alcohol, dipropylene glycol dibenzoate etc. and other plasticizer well known in the art.Preferred plasticizer is dipropylene glycol hexichol first Acid esters.In the coating composition of the present invention, the dosage of plasticizer can be 0~10 parts by weight, preferably 0.5~5 parts by weight.
It also may include antibacterial additives so as to the painting to be formed by the coating composition in the coating composition of the present invention Layer endowing antibacterial energy.Can be to be suitable for appointing in coating as is generally known in the art suitable for the antibacterial additives in the present invention What antibacterial additives type, that is, with antibacterial functions and antibacterial additives can be stabilized in the coated film that coating is formed Species.Its example includes, but are not limited to natural antibacterial agent, chitosan, antimicrobial natural extract etc.;Organic antibacterial agent, it is all Such as isothiazolinone, benzoisothiazolinone class, formaldehyde releaser, organic amine, piperazine triazines, polyquaternium, poly- season phosphine Salt etc.;And inorganic antiseptic, silver-series antibacterial agent and oxide type antiseptic etc..Wherein, preferred inorganic antiseptic, especially It is inorganic silver-series antibacterial agent, such as, Ag ion exchange substance, Argent grain, silver salt, silver-colored glass, silver zeolite or in which one kind or more The mixture of kind.In the coating composition of the present invention, the dosages of antibacterial additives can be 0~5 parts by weight, preferably 0.01~2 Parts by weight.
It also may include pigment in the coating composition of the present invention to assign color for the coating composition.It is suitable for Pigment in the present invention can be any pigment type being suitable for as is generally known in the art in coating.Pigment with high abrasion Such as aluminium oxide is particularly suitable, because it can also be used as the abrasive material in coating composition simultaneously.In the coating group of the present invention It closes in object, the dosage of pigment can be 0~20 parts by weight.It is preferred that 5~15 parts by weight.
In addition, according to the requirement of use environment, need that delustering agent is added in the coating composition in some cases, to Reduce the glossiness or make the coated film formed that there is matt effect that the coated film formed by the coating composition avoids.It can use Delustering agent example include, but are not limited to ultra tiny synthetic silica, micronizing wax, aluminium, calcium, magnesium, zinc stearic acid Salt, poly- methylurea (PMU) etc..
In addition, also may include other additives in the coating composition of the present invention, such as, but it is not limited to, antisettling agent, Mixture or the combination of wax, abrasive material, dispersant and/or one or more of which.The dosage of other additives is generally 0~ 10 parts by weight.These additives can improve the various aspects such as storage stability, the machinability of coating composition to a certain extent Performance.
After testing, the coating formed by the coating composition of the present invention is substantially free of organic volatile matter (VOC), and has The good feature of environmental protection, detection that can be by German AgBB to VOC and JC/T 1074-2008《Function of purifying indoor air coats material Expect purifying property》, in the test, it is desirable that purifying formaldehyde performance >=75%, persistence >=60%.By test, by the present invention Coating composition formed coating purifying formaldehyde performance >=85%, persistence >=75%.
In another aspect of this invention, it additionally provides and a kind of preparing high solids content uv curing coating as described in the present invention The method of composition, including:It weighs each component of the coating composition and uniformly mixes it.For example, the method can wrap It includes, weighs the acrylate oligomer of 5~80 parts by weight;Weigh the monomer of 5~80 parts by weight;The two is uniformly mixed.Other The introducing of component is similar with above-mentioned steps.
In another aspect of this invention, high solids content uv curing coating composition as described in the present invention is additionally provided to use In the application of coating base material.The base material can be plastic basis material or timber.The example of plastic basis material includes, but are not limited to poly- second Alkene (PE), polypropylene (PP), polyvinyl chloride (PVC), makrolon (PC), polyurethane (PU) etc., preferably PVC.The example of timber Including but not limited to cork and hardwood, preferably hardwood.
In still another aspect of the invention, a kind of method of coating base material is additionally provided, including:(a) with as described herein High solids content uv curing coating composition at least partly coat the base material, coated weight is 6~100g/m2;(b) by red The gloss of (50-60 DEG C, 1-2min) the coated base material of adjustment of outer processing;(c) pass through ultraviolet irradiation (UVA:300~ 500mw/cm2, 400~700mJ/cm2) make the curing of coating composition.
In the yet other aspects of the present invention, additionally provide a kind of at least partly with by high solids content of the present invention The base material for the coating that uv curing coating composition is formed.The base material can be that plastic basis material (such as PVC) or timber are (such as soft Wood).
The present invention is further explained in detail below with reference to embodiment and comparative example.However, this field It should be understood to the one skilled in the art that these embodiments and comparative example provide exclusively for the purposes of illustration, this hair is limited without being intended to It is bright.
Embodiment
Following embodiment is set forth to confirm the general principles of the present invention.These embodiments describe painting according to the present invention Feed composition, its preparation process and the base material for being at least partly coated with aforementioned coating composition.Unless otherwise specified, listed All amounts are based on gross weight and are described with parts by weight.The present invention should not be construed as limited to the specific embodiment.
Comparison example 1
In the embodiment, using the EBECRYL 605 of Allnex as epoxy acrylate oligomer;Use dipropylene glycol Diacrylate is as monomer.1~2 each component measured shown in following table is mixed at room temperature, uses IKA-WERKE EUROSTAR blenders stirred the mixture for uniformly with the rotating speed of 800rpm.It is slowly added to delustring under rotating speed 500rpm dispersions Powder, high speed (1500rpm) are disperseed 15-30 minutes.After fineness qualification, it is added surplus material, the rotating speed of 800rpm is by mixture It stirs evenly, obtains comparison coating composition.
Table 1. compares coating composition 1
Comparison example 2:Ultraviolet curing coating system
Using the EBECRYL 605 of Allnex as epoxy acrylate oligomer, the GENOMER 3414 of RAHN is used As polyether acrylate oligomer, using the 6318P of SANMU as urethane acrylate oligomer;Use dipropylene glycol Diacrylate, ethoxyquin 1,6 hexanediol diacrylate, trimethylolpropane trimethacrylate are as monomer.It will be in following table The component 1~5 and 8 of amount shown mixes at room temperature, using the EUROSTAR blenders of IKA-WERKE with 800rpm's Rotating speed stirs the mixture for uniformly.It is slowly added to flatting silica under rotating speed 500rpm dispersions, high speed (1500rpm) disperses 15-30 Minute.Surplus material is added after fineness qualification, stirs the mixture for uniformly, obtaining comparison Coating material composition with the rotating speed of 800rpm Object.
Table 2. compares coating composition 2
Component Title Dosage (g)
1 Epoxy acrylate, EBECRYL 605 35
2 Polyether acrylate, GENOMER 3414 10
3 Urethane acrylate, 6318P 5
4 Dipropylene glycol diacrylate 10
5 Ethoxyquin 1,6 hexanediol diacrylate 10
6 Flatting silica, SYLOID ED 80 5
7 Flatting silica, PERGOPAK M3 5
8 Trimethylolpropane trimethacrylate 15
9 Benzophenone 1
10 Photoinitiator, IRGACURE 184 4
Comparison example 3:Ultraviolet curing coating system
Using the EBECRYL 605 of Allnex as epoxy acrylate oligomer, the GENOMER 3414 of RAHN is used As polyether acrylate oligomer, using the 6318P of SANMU as urethane acrylate oligomer;Use dipropylene glycol Diacrylate, ethoxyquin 1,6 hexanediol diacrylate, trimethylolpropane trimethacrylate are as monomer.It will be in following table The component 1~5 of amount shown mixes at room temperature, uses the EUROSTAR blenders of IKA-WERKE turning with 800rpm Speed stirs the mixture for uniformly.Flatting silica, 15-30 points of high speed (1500rpm) dispersion are slowly added under rotating speed 500rpm dispersions Clock.Surplus material is added after fineness qualification.It stirs the mixture for uniformly, obtaining comparison Coating material composition with the rotating speed of 800rpm Object.
Table 3. compares coating composition 3
Component Title Dosage (g)
1 Epoxy acrylate, EBECRYL 605 25
2 Polyether acrylate, GENOMER 3414 10
3 Urethane acrylate, 6318P 5
4 Dipropylene glycol diacrylate 10
5 Ethoxyquin 1,6 hexanediol diacrylate 10
6 Antifoaming agent TEGO AIREX 920 0.1
7 Dispersant EFKA PU 4010 1
8 Flatting silica SYLOID ED 80 5
9 Flatting silica PERGOPAK M3 5
10 Polyethylene wax CERAFLOUR 950 2
11 Nepheline syenite TREMIX958-600EST 3
12 Trimethylolpropane trimethacrylate 15
13 Benzophenone 1
14 IRGACURE 184 4
Comparison example 4:Ultraviolet curing coating system
Using the EBECRYL 605 of Allnex as epoxy acrylate oligomer, the GENOMER 3414 of RAHN is used As polyether acrylate oligomer, using the 6318P of SANMU as urethane acrylate oligomer;Use dipropylene glycol Diacrylate, ethoxyquin 1,6 hexanediol diacrylate, trimethylolpropane trimethacrylate are as monomer.It will be in following table The component 1~7 of amount shown mixes at room temperature, uses the EUROSTAR blenders of IKA-WERKE turning with 800rpm Speed stirs the mixture for uniformly.Flatting silica, 15-30 points of high speed (1500rpm) dispersion are slowly added under rotating speed 500rpm dispersions Surplus material is added after fineness qualification in clock.It stirs the mixture for uniformly, obtaining comparison Coating material composition with the rotating speed of 800rpm Object.
Table 4. compares coating composition 4
Embodiment 1:Ordor removing removes formaldehyde ultraviolet curing coating system
Using the EBECRYL 605 of Allnex as epoxy acrylate oligomer, the GENOMER 3414 of RAHN is used As polyether acrylate oligomer, using the 6318P of SANMU as urethane acrylate oligomer;Use dipropylene glycol Diacrylate, ethoxyquin 1,6 hexanediol diacrylate, trimethylolpropane trimethacrylate are as monomer.It will be in following table The component 1~7 of amount shown mixes at room temperature, uses the EUROSTAR blenders of IKA-WERKE turning with 800rpm Speed stirs the mixture for uniformly.Flatting silica, 15-30 points of high speed (1500rpm) dispersion are slowly added under rotating speed 500rpm dispersions Clock.Surplus material is added after fineness qualification.It stirs the mixture for uniformly, obtaining painting according to the present invention with the rotating speed of 800rpm Feed composition.
5. coating composition of the present invention of table
5. performance test
1. film curing speed is graded:1 is most slow most soon~3
It can be seen from the above result that of the invention is added with the modified high solids content uv curing coating group except formaldehyde additive It closes object (embodiment 1) and is formed by coating compared to comparison example 1-4 with good physical behavior and the feature of environmental protection.Therefore, it is one Kind has superperformance and environmentally protective product, has vast prospects for commercial application.
The present invention is illustrated with way of example, it should be appreciated that above-described embodiment be intended to explanation rather than Limitation.According to above introduction, the present invention may exist many improvement and variation.It is, therefore, to be understood that in addition to specifically describing In addition, the present invention can be implemented within the scope of the appended claims.

Claims (12)

1. a kind of 95-100% solid contents uv curing coating composition comprising acrylate oligomer, monomer and remove formaldehyde Additive.
2. coating composition as described in claim 1, wherein the acrylate oligomer has 200-4000g/mol ranges Interior weight average molecular weight (Mw).
3. coating composition as claimed in claim 1 or 2, wherein the acrylate oligomer includes that epoxy acrylate is low Polymers, polyether acrylate oligomer, urethane acrylate oligomer or its any mixture.
4. coating composition as described in any one of claims 1-3, wherein the acrylate oligomer includes weight ratio is 15-25:3-8:Epoxy acrylate oligomer, polyether acrylate oligomer and the urethane acrylate oligomer of 5-10.
5. such as preceding claims any one of them coating composition, wherein the monomer includes trimethylolpropane tris propylene Acid esters, dipropylene glycol diacrylate, ethoxyquin 1,6 hexanediol diacrylate or its any mixture.
6. such as preceding claims any one of them coating composition, wherein it is described except formaldehyde additive include nanometer silicon chip, Or mixtures thereof 2- amido glucose.
7. such as preceding claims any one of them coating composition, wherein described except formaldehyde additive includes using acrylic acid Or mixtures thereof the structurally-modified nanometer silicon chip of ester, epoxy, polyester branches, 2- amido glucose.
8. such as preceding claims any one of them coating composition, VOC is substantially free of after forming coating.
9. such as preceding claims any one of them coating composition, such as according to JC/T 1074- after forming coating 2008《Function of purifying indoor air coating material purifying property》It is surveyed, purifying formaldehyde performance >=85%, persistence >=75%.
10. if claim 1-9 any one of them 95-100% solid content uv curing coating compositions are for coating base material Application.
11. a kind of method of coating base material, including:
(a) the 95-100% solid content uv curing coating compositions coating at least partly base material described in claim 1-9 is used, is applied The amount of covering is 6~100g/m2
(b) pass through the gloss of the coated base material of infrared processing adjustment;With
(c) curing of coating composition is made by ultraviolet irradiation.
It is formed by the 95-100% solid content uv curing coating compositions described in claim 1-9 12. at least partly having The base material of coating, wherein the base material includes plastic basis material and timber.
CN201810497452.3A 2018-05-22 2018-05-22 Except formaldehyde ultraviolet curing coating system Pending CN108559366A (en)

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