CN109957313A - A kind of Photocurable coating material formula and its application - Google Patents
A kind of Photocurable coating material formula and its application Download PDFInfo
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- CN109957313A CN109957313A CN201910180908.8A CN201910180908A CN109957313A CN 109957313 A CN109957313 A CN 109957313A CN 201910180908 A CN201910180908 A CN 201910180908A CN 109957313 A CN109957313 A CN 109957313A
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- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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- 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
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- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
The present invention provides a kind of Photocurable coating material formula and its applications.The Photocurable coating material formula includes: the monomer of (a) containing at least one double bond；(b) modified alkyd resin；(c) photoinitiator；And (d) filler grain.Above-mentioned Photocurable coating material formula of the invention can be applied to gap-filling glue, can not only simplify the process flow of existing gap-filling glue as gap-filling glue, and can prepare with appearance, adherence and weatherability well and can inhibit the coating of generation stria.
Description
Technical field
The present invention relates to a kind of Photocurable coating material formula more particularly to a kind of Photocurable coating materials applied to gap-filling glue
Formula.
Background technique
The application range of coating is very extensive, from daily necessities to high-tech electronic product, such as from furniture, vapour
Vehicle spare part, cosmetics to various 3C electronic products (such as digital camera, laptop and mobile phone) shell can all use
Coating is coated on, to provide protectiveness or decorative painting effect.
Material shell (such as metal/non-metal material shell) is combined by two or more different materials
It forms, therefore the bulk properties with above-mentioned composition material, and the disadvantage come using single composition material strips can be mitigated.But
Since material shell is to be spliced by different materials and obtained, fine crack or groove will form at the bonding between each material, into
And influence appearance.Therefore, before carrying out coating baking vanish to material shell, joint filling need to be carried out to its fine crack or groove and (including is mended
Soil and strike off), so that the flat appearance of shell.
Polyurethane gap-filling glue (PU type gap-filling glue) is common joint filling glue material.The coating method of PU type gap-filling glue
It mainly comprises the steps that the density for increasing gap-filling glue Yu material surface in material shell surface spray-applied primer, passes through
Carry out mending soil and joint filling operation after overbaking, grinding to smooth the spatial defects of material shell, followed by toasting, grind
Mill and etc..However, often needing to carry out by the step more than being repeated as many times if the space drop of fine crack or groove is excessive
The step of multiple gap-filling glue, until could be coated with colored paint (base coat) after surfacing and gloss oil (top coat) is completed to apply
It fills and obtains preferable case surface.
Above-mentioned process flow is cumbersome, not only time-consuming and energy consumption.Especially, it in the process flow of PU type gap-filling glue, needs to remove
Solvent in joint filling gel coating is not easy drying when coating layer thickness is blocked up, be easy to cause only superficial drying and internal wet
State (is not done) in surface drying, and then phenomena such as generation volcano hole or cracking, therefore, must to remove the solvent in joint filling gel coating
Must first stand at normal temperature a period of time (need to usually stand 2 hours or more), then through a long time (need to usually toast 1 hour or
More than) high-temperature baking (usually 80 DEG C -100 DEG C) to remove residual solvent and solidify, technique is cumbersome and time-consuming.In addition, logical
The film that the above process is formed is crossed, usual thickness is excessively high and causes apparent heavy sense and increases the weight of product, or even influences
Product each section component assembling tolerance simultaneously increases production cost, therefore, for being particular about precision, aesthetic feeling, light, thin 3C electronic product
For, it is unable to satisfy its demand.Moreover, because PU type gap-filling glue is more flexible, weatherability test or aging through high temperature and humidity
After test, the stitching portion easily between the different materials of composite material generates stria defect (see position in the frame of Fig. 1), and then to production
The appearance of product shell adversely affects.
Furthermore it is known that the ultraviolet-curing type formulation for coating material overwhelming majority be used as protectiveness or decorative coating.Example
Such as, publication number CN101654571A discloses a kind of ultraviolet-curing type colored paint composite, is with a spraying application
It can get coating both with beautiful and high-performance, this ultraviolet-curing type colored paint composite includes consisting of: (a) being contained
There is the oligomer of at least l unsaturated double-bond；(b) diluting monomer；(C) photoinitiator；(d) thermoplastic acrylic resin；And (e)
Colorant.Publication number CN 102199377A discloses a kind of light-cured type inorganic agent, solves the forming defects of substrate and removes table
Face dirt provides attractive appearance and the good coating of adherence, which includes consisting of: (a) containing at least
Or mixtures thereof monomer or the oligomer of at least one double bond of one double bond；(b) photoinitiator；And (c) thermoplastic resin.But
It is that above-mentioned ultraviolet-curing type/Photocurable coating material formula is applied on the substrate surface of same material, can not applies
It is added on the substrate surface of composite material, for composite material surface because of given birth to fine crack or height at the position of bonding different materials
Drop problem does not provide any effective solution scheme.
Therefore, how for composite material provide it is a kind of with good flow leveling, simplify coating process coating and obtain
Good weatherability, easy to polish, attractive appearance and the good coating of adherence are caused, is the important class that researcher makes great efforts in technical field
Topic.
Summary of the invention
In order to solve the above-mentioned technical problem, it is an object of the present invention to provide one kind can modify composite material difference
The spatial defects of storeroom and the Photocurable coating material formula with good weatherability.
In order to achieve the above technical purposes, present invention firstly provides a kind of Photocurable coating material formula, the light-cured types
Formulation for coating material includes:
(a) containing the monomer of at least one double bond；
(b) modified alkyd resin；
(c) photoinitiator；And
(d) filler grain.
Photocurable coating material formula of the invention, do not need to be additionally carried out primer coating, mend soil and etc. the case where
Under, it can effectively be attached on the material substrate to be modified (especially compound on the material especially with high and low fall or fine crack
On the material of material), retouch the spatial defects on its surface.In addition, utilizing light after Photocurable coating material formula coating of the invention
Radiation is exposed solidification, needn't carry out long-time standing and baking procedure, not only time saving, province's energy, and can improve the unit time
Production capacity, meet industry demand.
In order to achieve the above technical purposes, invention further provides a kind of gap-filling glue, which includes of the invention upper
State Photocurable coating material formula.
Photocurable coating material formula of the invention has the technical effect for the spatial defects for filling up material surface.Suitable for each
The material of surface pretreatment or the material through preliminary pre-treatment kind are needed, is particularly suitable for using material shell and externally
It sees and the external coating of the more demanding 3C electronic product of surface nature and processing.
The present invention has obvious advantages and beneficial effects compared with the existing technology.Photocurable coating material provided by the invention
Formula, can be used for the production of gap-filling glue (putty glue), technical characterstic is:
1. Photocurable coating material formula of the invention utilizes photocuring, process time (especially, existing PU type can be shortened
Standing needed for joint filling gel coating and baking time) and dose rate is improved, reach energy-efficient purpose, and the production capacity of unit time is also high
In existing PU type gap-filling glue.
2. according to the method for inspection of ASTM D3359-93, after Photocurable coating material formulation cured of the invention (gap-filling glue)
Coating density be up to 5B, greater than the density of existing PU type gap-filling glue, therefore coating foundation cream layer and/or priming paint can be omitted
The processes such as layer, significantly simplify the modification process on material surface.
3. the coating after Photocurable coating material formulation cured of the invention has good weatherability, can avoid being used for a long time
The surface blemish of lower generation, such as stria.
In some embodiments of the invention, Photocurable coating material of the invention, which is matched, can further provide at least one
Following beneficial property:
When being coated on material surface, show good levelability；
When being coated on material surface, show good anti-vertical fluidity, it can be ensured that the pore deliberately drilled through on material or
Fine crack (pore or fine crack to be retained) is not filled by formulation for coating material and does not generate long-pending Bian Xianxiang；
Coating after cured has H (hard) or higher pencil hardness；
Colorant can be added, make it is cured after coating be easier determine degree of being polished flat；
Photocurable coating material formula of the invention can be coated on coating after cured again；
Coating after cured is preferable to the shielding of material.
To sum up, by using Photocurable coating material formula of the invention, the construction stream of existing gap-filling glue can not only be simplified
Journey, and tool good appearance, adherence and weatherability and the coating that stria can be inhibited to generate can be prepared.
Detailed description of the invention
Fig. 1 is spelling of the coating of existing PU type gap-filling glue after weatherability is tested, between the different materials of composite material
Connect the stria defect at place.
Fig. 2 is the coating of Photocurable coating material formula of the invention after weatherability is tested, in the different materials of composite material
Stitching portion between material is generated without stria defect.
Specific embodiment
In order to which technical characteristic of the invention, purpose and beneficial effect are more clearly understood, now to skill of the invention
Art scheme carries out described further below, but should not be understood as that limiting the scope of the invention.
The present invention provides a kind of Photocurable coating material formula, the raw material composition of the Photocurable coating material formula includes:
(a) containing the monomer of at least one double bond；
(b) modified alkyd resin；
(c) photoinitiator；And
(d) filler grain.
The monomer that (a) includes at least one double bond is formed, crosslinking is can produce after irradiating, constitutes the main body of coating.Its kind
Class have no it is specifically limited, it is more excellent be acrylate monomer.
Acrylate monomer for use in the present invention, such as, but not limited to: 2- phenoxyethyl acrylate (PHEA), second
Oxygroup ethoxyethyl acrylate (EOEOEA), isodecyl acrylate (ISODA), iso-bornyl acrylate (IBOA),
Acrylic acid 2- hydroxy methacrylate (HEA), 2-hydroxyethyl methacrylate (HEMA), dipropylene glycol diacrylate (DPGDA), two
Acrylic acid tripropylene glycol ester (TPGDA), diacrylate 1,6-HD ester (HDDA), diethyleneglycol dimethacrylate
(DEGDMA), diacrylate polyethylene glycol (400) ester (PEG (400) DA), diacrylate polyethylene glycol (600) ester (PEG (600)
DA), ethylene glycol dimethacrylate (EGDMA), diacrylate ethoxylation (10) bis-phenol ester (BPA10EODA), dimethyl
Ethioxy (10) bis-phenol ester (BPA10EODMA), diacrylate Tricyclodecane Dimethanol ester (TCDMDA), two propylene
Acid third oxidation (2) neopentyl glycol ester (NPG2PODA), Nanocryl 0396 (DPGDA containing 50% nano silicon oxide),
Nanocryl 0768 (HDDA containing 50% nano silicon oxide), 2- hydroxyethyl methacrylate phosphate (HEMAP), three
Acrylic acid trihydroxymethylpropanyl ester (TMPTA), three acrylic acid ethoxyquin (3) trihydroxymethylpropanyl esters (TMP3EOTA), three propylene
Sour ethoxyquin (6) trihydroxymethylpropanyl ester (TMP6EOTA), three acrylic acid ethoxyquin (9) trihydroxymethylpropanyl esters
(TMP9EOTA), three acrylic acid ethoxyquin (15) trihydroxymethylpropanyl esters (TMP15EOTA), three acrylic acid third oxidation (3) the third three
Alcohol ester (G3POTA), tetrapropylene acid two-(trimethylolpropane) ester (DI-TMPTA), pentaerythritol triacrylate (PET3A),
The combination of one or more of six acrylic acid dipentaerythritol esters (DPHA).
Commercial acrylate monomer for use in the present invention include: EM210, EM211, EM219, EM70, EM221,
EM223、EM328、EM2308、EM231、EM235、EM2381、EM2382、EM2384、EM2386、EM2387、EM39、EM331、
EM3380, EM241, EM2411, EM242, EM2421 and EM265 (Changxing material industry limited liability company system)；EBECRYL-
160, EBECRYL-853, EBECRYL-2047, EBECRYL-40 and EBECRYL-140 (excellent green (UCB) limited liability company of happiness
System)；CD501,SR351,SR368,SR415,SR444,SR454,SR454HP,SR492,SR499,SR9008,SR9035,
CD9051、SR350、SR9009、SR9011、SR295、SR9020、SR9021、SR355、SR399、SR494、SR9041、
Ricacryl3500 and Ricacryl3801 (SARTOMER corporation)；(Miwon is public by MIRAMER M500 and MIRAMER M600
Department's system).
Acrylate monomer for use in the present invention contains at least one double bond, more excellent containing at least two double bond, more preferably contains
There are 3 to 15 double bonds.Its molecular weight have no it is specifically limited, in some embodiments, the molecular weight of acrylate monomer be 200 to
4000.Such as, but not limited to: 200,500,1000,1500,2000,2500,3000,3500 or 4000, it is more excellent be 250 to
3000。
Composition (b) modified alkyd resin used in the present invention, which refers to, can make formulation for coating material be effectively adhere to be intended to modify
Material on, improve the adherence between formulation for coating material and the material surface of composite material, retouch the spatial defects on its surface, it is right
In the material of tool high and low fall or fine crack, achieve the effect that modify appearance, therefore coating foundation cream layer and/or prime coat etc. can be omitted
Step, significantly simplifies the modification process of material table, and it is cured after coating there is good weatherability, can avoid being used for a long time
The surface blemish of lower generation, such as stria.
Above-mentioned modified alkyd resin refers to that alkyd resin selects monomer or resin appropriate to be modified according to required physical property
Resulting resin.Such as, but not limited to: acrylic acid (ester) modified alkyd resin, styrenated alkyd, epoxy-modified alcohol
One or more of acid resin, silicone modified alkyd resin, phenol-modified alkyd resin, rosin modified alkyd resin
Combination.For increase solidify after film hardness and heat resistance, more preferably with have high glass-transition temperature (Tg) monomer or
Resin carrys out modified alkyd resin.The monomer or resin with high glass-transition temperature (Tg) is such as, but not limited to: propylene
Acid, methacrylic acid, acrylonitrile, methyl methacrylate, isobornyl acrylate, isobornyl methacrylate, methyl-prop
Or mixtures thereof olefin(e) acid cyclohexyl, styrene, epoxy resin.A specific embodiment according to the present invention is suitable for the present invention
Modified alkyd resin include methyl methacrylate-modified alkyd resin, styrenated alkyd, epoxy-modified alkyd
Or mixtures thereof resin.
In some embodiments, alkyd resin can be by vegetable oil or vegetable oil acid (such as fatty acid), polyacid and polyalcohol
It is polymerized, above-mentioned vegetable oil or vegetable oil acid are such as, but not limited to soybean oil, castor oil, dehydrated castor oil, coconut oil, palm
Or mixtures thereof oil, linseed oil, tung oil, safflower seed oil.Above-mentioned vegetable oil or vegetable oil acid can be optionally using one kind, two kinds
Or it is two or more.A specific embodiment according to the present invention, vegetable oil or vegetable oil acid used can be soybean oil, dehydration castor
Or mixtures thereof sesame oil.Alkyd resin can be divided into short oil alkyd resin, middle oil according to the content of vegetable oil used or vegetable oil acid
Property alkyd resin and chain oil alkyd.Short oil, medium oil or chain oil alkyd can be used in the present invention.According to this hair
A bright specific embodiment, alkyd resin used are chain oil alkyd.
The type of above-mentioned polyacid and polyalcohol is had no specifically limited, can be any commonly employed polyacid in alkyd resin
And polyalcohol.Adoptable polyacid is including but not limited to malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, pungent two
Acid, azelaic acid, decanedioic acid, heneicosanedioic acid, dodecanedioic acid, tridecandioic acid, tetracosandioic acid, pentacosandioic acid, 16
The aliphatic dicarboxylic acid of docosandioic acid, heptadecane diacid, octadecane diacid, nonadecandioic acid, eicosane diacid etc.；Malaysia
The aliphatic unsaturated dibasic acid or its acid anhydride of acid, maleic anhydride, fumaric acid, citraconic acid, Yi Kang acid, glutaconate etc.；Hexahydro is adjacent
The alicyclic monounsaturated dicarboxylic acid of phthalic acid, 1,4- cyclohexane dicarboxylic acid etc.；The alicyclic unsaturation of tetrahydrophthalic acid etc.
Binary acid；The aromatic acid of phthalic acid, phthalic anhydride, M-phthalic acid, terephthalic acid (TPA) etc. or its acid anhydride；1,
The aliphatic of 2,5- hexane tricarboxylic acids, 1,2,4- cyclohexanetricarboxylic acid etc. are saturated ternary acid；Trimellitic acid, trimellitic anhydride, 1,
Aromatic series ternary acid or its acid anhydride of 2,5- benzene tricarbonic acid, 2,5,7- naphthalene tricarboxylic acids etc. etc..Preferably polyacid be malonic acid, oneself two
Acid, decanedioic acid, maleic acid, maleic anhydride, glutaconate, 1,4- cyclohexane dicarboxylic acid, phthalic acid, phthalic anhydride,
M-phthalic acid or terephthalic acid (TPA).Adoptable polyalcohol includes to be not limited to: hydroxymethyl-propane, pentaerythrite, two Ji Wusi
Alcohol, trimethylolethane, neopentyl glycol, ethylene glycol, 1,3 butylene glycol, 1,4- butanediol, 1,6-HD, 1,4- cyclohexyl two
Methanol, diethylene glycol, triethylene glycol, polyethylene glycol, polytetrahydrofuran, polycaprolactone glycol, polycaprolactonetriol, trihydroxy methyl
One allyl ether, trihydroxy methyl diallyl ether, three allyl ether of pentaerythrite, pentaerythrite diallyl ether, one allyl ether of pentaerythrite,
2- ethyl -2- (methylol) -1,3- propylene glycol, 2- methyl-1,3-propanediol, 2,2,4- trimethylpentanediol, 2,2,4- front three
Base -1,3- pentanediol, 2,2 '-bis- (4- hydroxy-cyclohexyl) propane (bisphenol-A of hydrogenation), propylene glycol, dipropylene glycol, poly- the third two
Alcohol, glycerol and D-sorbite, it is more excellent for ethylene glycol, pentaerythrite, trimethylolethane, trimethylolpropane, glycerol, 1,6- oneself
Glycol, diethylene glycol, polycaprolactone glycol and D-sorbite.It can be optionally using a kind of, two or more polyacid
Or a kind of, two or more polyalcohol.
Commercially available modified alkyd resin for use in the present invention is such as, but not limited to: 6390F (Changxing material), ETERKYD
242-XM-80 (Changxing material), ETERKYD NP1023-R-50 (Changxing material).
In some embodiments, the range of solid content of modified alkyd resin is had no it is specifically limited, can be optionally with first
Solvent adjusts the viscosity of modified alkyd resin to proper range.The type of first solvent can be the technical field of the invention
Any appropriate solvent known to technical staff, such as aromatic hydrocarbons solvent.The aromatic hydrocarbons solvent be such as, but not limited to benzene,
Or mixtures thereof toluene, dimethylbenzene.According to some embodiments of the present invention, the range of solid content of modified alkyd resin is 40 weights
Measure % to 60 weight %.Such as: 40 weight %, 45 weight %, 50 weight %, 55 weight % or 60 weight %.Acid modified alcoholic tree
The range of viscosities of rouge is 500 to 3000cps, such as, but not limited to: 500,600,800,1000,1200,1400,1500,1600,
1800,2000,2200,2400,2500,2600,2800 or 3000cps.When the viscosity of the modified alkyd resin it is too low (such as
Lower than 500cps) when, the adherence that is unfavorable between formulation for coating material and material surface；When the viscosity of modified alkyd resin is excessively high
When (such as higher than 3000cps), it is unfavorable for the operability of formulation for coating material.
Modified alkyd resin and other resins, oligomer and/or monomer of the invention has favorable compatibility, can directly mix
Mixed (blending) will not also can be used as buffer medium with other resins, oligomer and/or monomer reaction in formulation for coating material,
To discharge in Light Curing because of stress caused by rapid curing.In some embodiments, modified alkyd resin is suitable
Weight average molecular weight, such as, but not limited to: 400,000 to 650,000, more excellent is 500,000 to 600,000.In general,
Modified alkyd resin with larger molecular weight can show preferable stress elimination effect, so formulation for coating material and composite material
Adherence between material surface is more excellent, and can prevent film cracking from generating stria, therefore works as the molecular weight of the modified alkyd resin
When too low (for example, be lower than 400,000), the adherence that is unfavorable between formulation for coating material and material surface；Work as modified alkyd resin
Molecular weight excessively high (such as higher than 650,000) when, because between monomer compatibility it is bad due to be unfavorable for the operability of formulation for coating material
And the coating flatness after solidifying is bad.
According to some embodiments of the present invention, to form (a) as 100 parts by weight meters, the use of (b) modified alkyd resin is formed
Amount is 50 to 150 parts by weight.Such as: 50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,125,
130,135,140,145 or 150 parts by weight.More preferably 75 to 125 parts by weight.When the too low (example of the dosage of the modified alkyd resin
Such as, it is lower than 50 parts by weight) when, the adherence that is unfavorable between formulation for coating material and material surface；When the dosage of modified alkyd resin
When excessively high (for example, being higher than 150 parts by weight), then formulation for coating material is not easy to solidify.
Composition (c) photoinitiator used in the present invention, referring to can generate free radicals after light irradiates, and penetrate free radical
Transmitting initiated polymerization.The type of photoinitiator is had no it is specifically limited, such as, but not limited to: benzophenone-amine conjugation
Formulation for coating material, benzoin ethers, benzil and its ketal class or acetophenone derivs photoinitiator.In addition, can optionally make
With two or more photoinitiator.
The content of composition (c) photoinitiator has no specifically limited in formulation for coating material, can be optionally according to group contained by formulation for coating material
It is adjusted at the monomeric species and its dosage of (a).According to some embodiments of the present invention, the list of (a) is formed with 100 parts by weight
Body meter, the content of composition (c) photoinitiator are 0.5 to 30 parts by weight.Such as: 0.5,1,2,4,5,6,8,10,12,14,15,
16,18,20,22,24,25,26,28 or 30 parts by weight；More excellent is 5 to 25 parts by weight.
The commercially available photoinitiator that can be used for formulation for coating material of the present invention includes: CHIVACURE 115, CHIVACURE ITX (different
Propyl thioxanthone), CHIVACURE EPD (p- (dimethylamino) ethyl benzoate), CHIVACURE OMB (o- benzoyl
Yl benzoic acid methyl esters), CHIVACURE EMK (two aminobenzophenone of N, N, N', N'- tetraethyl -4,4'-), CHIVACURE
BDK (2,2'- dimethyl -1,2- diphenylethane -1- ketone), CHIVACURE BMS (4- benzoyl -4'- methyldiphenyl base sulphur
Ether), CHIVACURE 184 (1- hydroxycyclohexylphenylketone), CHIVACURE 173 (2- hydroxy-2-methyl -1- phenyl -propyl-
1- ketone), CHIVACURE TPO (2,4,6- trimethylbenzoyldiphenyl oxide) and (the phenyl second of CHIVACURE 200
Alkyd methyl esters) (double bond chemical industry (DBC) Co., Ltd system)；AgiSynTM- 1812 (1- hydroxycyclohexylphenylketones), AgiSynTM-
1810 (2- hydroxy-2-methyl -1- phenyl -propyl- 1- ketone), AgiSynTM- 1801 and AgiSynTM- 003 (Xin Limei science and technology share
Co., Ltd's system)；IRGACURE 369 (2- benzyl -2-N, N- dimethyl amido -1- (4- morpholino phenyl -1- butanone) and
IRGACURE 2959 (4- (2- hydroxyl-oxethyl)-phenyl-(2- hydroxy-2-methyl propyl) ketone) (BASF AG's system).
Existing PU type gap-filling glue is more flexible, and coating is easy to generate in the seam crossing of different materials after long-term use
Stria.And the present invention can not only promote the gained hardness of coating, grinability and anti-refer to as addition composition (d) filler grain and scrape
Property, and the generation for even being eliminated coating surface stria can be improved.
Specifically limited, the filler grain of optional low cost is had no to the type of filler grain used in the present invention.Such as
But it is not limited to: calcium carbonate, barium sulfate, aluminium hydroxide, silica flour, talcum powder or silicon particle.In addition, two kinds can optionally be used
Or two or more filler grains.
A specific embodiment according to the present invention, composition (d) filler grain dosage have no it is specifically limited, can be optionally
It is adjusted according to desired hardness, polishing rate and anti-scraping property of finger.According to some embodiments of the present invention, with 100 parts by weight groups
At the monomer meter of (a), the content for forming (d) filler grain is 10 to 60 parts by weight.Such as: 10,12,14,15,16,18,20,
22,24,25,26,28,30,32,34,35,36,3,38,39,40,42,44,45,46,48,50,52,54,55,56,58 or
60 parts by weight；More excellent is 35 to 55 parts by weight.
A specific embodiment according to the present invention, composition (d) filler grain average grain diameter have no it is specifically limited, visually
It needs to be adjusted according to required coating film thickness.According to some embodiments of the present invention, the suitable average grain diameter of filler grain is
25 μm or smaller, which measures (model: ZEHNTNER ZGR2020) using fineness gauge.
In some embodiments, the viscosity of formulation for coating material of the invention, for example, it is 1 that NK-II rock field cup, which measures, at 25 DEG C
To 50 seconds viscosity.
Formulation for coating material of the invention can optionally add one or more second solvents as composition (e), be matched with adjusting coating
The viscosity of side is being suitble in opereating specification.Second solvent can be added when preparing each composition, can also be before finally being intended to be coated
Addition.It is not limited to them to the content of the second solvent, can be adjusted, be suitable for the invention according to physical condition and demand
Second solvent has no specifically limited, can be any organic solvent commonly used in the art.Such as, but not limited to: alkanes, aromatic hydrocarbons
The combination of one or more of class, ketone, esters, alcohols, ether alcohol class.
Suitable alkane solvents, such as, but not limited to: one or more of n-hexane, normal heptane, isoheptane
Combination.Suitable aromatic hydrocarbons solvent, such as, but not limited to: the group of one or more of benzene,toluene,xylene
It closes.Suitable ketones solvent, such as, but not limited to: methyl ethyl ketone (MEK), acetone, methyl iso-butyl ketone (MIBK), cyclohexanone, 4- hydroxyl
The combination of one or more of base -4-methyl-2 pentanone.Suitable esters solvent, such as, but not limited to: Sucrose Acetate
Ester (IBAC), ethyl acetate (EAC), butyl acetate (BAC), Ethyl formate, methyl acetate, ethoxyethyl acetate(EA), acetic acid second
The combination of one or more of oxygroup propyl ester, ethyl isobutyrate, monomethyl ether propylene glycol acetate, pentyl acetate.It closes
Suitable alcohols solvent, such as, but not limited to: ethyl alcohol, isopropanol, n-butanol, isoamyl alcohol or the mixture of they.Suitable ether alcohol
Class solvent, such as, but not limited to: ethylene glycol monobutyl ether (BCS), ethylene glycol monoethylether acetate (CAC), ethylene glycol monoethyl ether
(ECS), one of propylene glycol monomethyl ether, propylene glycol methyl ether acetate (PMA), propylene glycol monomethyl ether propionate (PMP) or
Two or more combinations.
In some embodiments, the dosage of the second solvent is so that the solid content of formulation for coating material is preferred for 30 to 70wt%.Example
Such as, but not limited to: 30,35,40,45,50,55,60,65 or 70wt%.
In some embodiments, the viscosity needed for optionally being obtained with the second solvent adjustment formulation for coating material, for example, at 25 DEG C
The viscosity that it is 1 to 50 second that lower NK-II rock field cup, which measures, such as, but not limited to: 1,5,10,15,20,25,30,35,40,45 or
50 seconds viscosity allows it at least pumpable to allow formulation for coating material to have, and even at least sprayable viscosity.
In some embodiments, in the presence of the second solvent, the monomer meter of (a) is formed with 100 parts by weight, the second solvent
Content is 50 to 300 parts by weight.Such as: 50,60,80,100,120,140,150,160,180,200,220,240,250,
260,280 or 300 parts by weight, more excellent is 150 to 250 parts by weight.
Formulation for coating material of the invention can optionally add clay as composition (f), to improve when formulation for coating material viscosity is too low
When, the flow phenomenon that hangs down occurs.The dosage for being suitable for the invention clay can be adjusted optionally, for example, according to formulation for coating material it is coated after
Hang property (for example, not accumulating side, not consent) adjustment from above.According to some embodiments of the present invention, in the presence of clay, with 100 weights
The monomer meter of part composition (a) is measured, the content of clay is 0.1 to 10 parts by weight.Such as: 0.1,0.5,1,1.5,2,2.5,3,3.5,
4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5 or 10 parts by weight；More excellent is 2.5 to 7.5 parts by weight.If this is glutinous
Native dosage too low (< 0.1 parts by weight) can not then obtain required anti-vertical fluidity；When the clay dosage is excessively high (> 10 parts by weight), then
The levelability of formulation for coating material is bad.
Terms used herein " hanging down fluidity (hanging from above property) " refer to formulation for coating material in the degree of adhesion of coating vertical plane；Height hangs down
Fluidity, which refers to, easily to be accumulated on vertical plane after formulation for coating material is coated and causes long-pending side, and the fluidity that hangs low refers to that formulation for coating material is coated
After can averagely attachment vertical plane on and without product side situation generate.In general, if there is tiny punching on the material surface to be coated with
Or gap (hole or gap that usually deliberately drill through and to be retained), after the coated formulation for coating material with high hanging from above property, due to
Product side effect, it will fill this and tiny punching or gap；On the contrary, due to the coated vertical plane of the formulation for coating material for extension property of hanging low
Afterwards, it is not easy to form long-pending side, therefore the tiny formulation for coating material filling for being not easy that there is extension property of hanging low of punchinging.
The type for being suitable for the invention clay is had no it is specifically limited, such as, but not limited to selected from by the following terms institute group
At group: montmorillonite (montmorillonite), kaolin (kaolinite), saponite (saponite), lithium montmorillonite
(Hectorite), attapulgite clay (attapulgite), illite (illite), mica (mica) and chlorite
(chlorite), more excellent is montmorillonite.In addition, two or more clay can be used optionally.
In some embodiments, the average grain diameter of clay can be optionally adjusted according to required coating film thickness, it is general and
The biggish clay of average grain diameter can be selected in speech, thicker coating, and the lesser clay of average grain diameter can be selected in relatively thin coating.According to
Some embodiments of the present invention, the suitable average grain diameter of filler grain be 5 μm or smaller, such as, but not limited to 0.1,0.5,1.0,
1.5,2.0,2.5,3.0,3.5,4.0,4.5 or 5 μm, the average grain diameter of clay measured using fineness gauge (model:
ZEHNTNER ZGR2020)。
In some embodiments, formulation for coating material of the invention further includes the second solvent and clay, although the second solvent
Use can reduce the viscosity of formulation for coating material with benefit coating, still, the reduction of viscosity easily causes formulation for coating material on material edge
The flow phenomenon that hangs down occurs；However, in these embodiments, the flow phenomenon that hangs down can still be improved and in addition adding clay.One
In a little embodiments, with the total weight of formulation for coating material, when the content of clay is 0.02 to 2 weight %, formulation for coating material has excellent
Different anti-vertical fluidity simultaneously can inhibit long-pending Bian Xianxiang, it can be ensured that the pore or fine crack for deliberately drilling through and being retained on material are not matched by coating
Side is filled.When the dosage of the clay too low (for example, being lower than 0.02 weight %), the flow phenomenon that hangs down easily occurs, when the clay
When dosage excessively high (for example, being higher than 2 weight %), then the levelability of formulation for coating material is bad.
Formulation for coating material of the invention can optionally include the additive of resin known to person of ordinary skill in the field,
Such as, but not limited to: flat dose, wetting agent, colorant, stabilization agent, thickener, to promote glutinous agent, antioxidant, hindered amine light stable
Agent, rheology modifying agent, dispersing agent, antistatic agent or other performances or property modification agent.The type of above-mentioned additive is the present invention
Person of ordinary skill in the field is it is believed that and its dosage is also those skilled in the art according to not
It is voluntarily determined with demand.According to some embodiments of the present invention, the monomer meter of (a) is formed with 100 parts by weight, additive
Content can be 0 to 10 parts by weight, such as: 0,0.1,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,
7.5,8,8.5,9,9.5 or 10 parts by weight.
In some embodiments, Photocurable coating material formula of the invention can optionally add flat dose and/or wetting agent,
Further to improve the levelability and wetability that formulation for coating material is coated on material, improves wetting effect and reduces surface tension,
Facilitate the adherence between formulation for coating material and material, so simplify it is cured after the subsequent polishing operation of coating.Suitably
Wetting agent or flat dose, such as, but not limited to: EFKA3777, EFKA3886, EFKA3883 of Dutch Efka company and
EFKA3600；BYK366, BYK300 of Bi Ke chemical company (BYK), BYK333, BYK307, BYK340, BYK341, BYK344,
BYK3500, BYK3510, BYK3530 and BYK3570；TEGO Twin 4000, the TEGO of German Digao company (TEGO)
Wet270, TEGO 410 and TEGO 450；The CARBOWET13- of US business Ya Pu Co., Ltd (Air Products)
40SURFACTANT；And Modaflow resin, 2100 Modaflow, the Modaflow 9200, Modaflow of CYTEC company
AQ-3000、Modaflow AQ-3025、Multiflow resin、XL 480、XL 490、VXL 6230、VXL 6236、XW
390, XW 395, VXW 6508, VXW 4971, VXW 6214 and VXW 6502.
Terms used herein " colorant " refer to assign the formulation for coating material color and/or other opacity and/or its
Any substance of his visual effect.
In some embodiments, Photocurable coating material formula of the invention can add colorant optionally to help naked eyes to sentence
The planarization of disconnected coating after grinding.Colorant can be added in formulation for coating material with any suitable form, and such as discrete particle divides
Dispersion liquid, solution and/or thin slice.The mixture of single colorant or two or more colorant can be used in coating of the present invention.
Being suitable for the invention colorant includes: pigment (pigment), dyestuff (dye) or coloring agent (tint).Such as but
It is not limited to, coatings industry uses and/or be listed in dry color Manufacturers Association (Dry Color Manufacturers
Association, DCMA) listed by colorant.Above-mentioned colorant can be organic or inorganic, and can be by grinding or simple
Colorant is incorporated in coating by mixing.
A specific embodiment according to the present invention, colorant used in the present invention are pigment.The pigment can be to have
Machine pigment or inorganic pigment, the example include: the thick pigment of carbazole dioxazines, azo, monoazo, bisazo, naphthols AS, salt type
(color lake), benzimidazolone, condensation product, metal complex, isoindolinone, isoindoline and polycyclic phthalocyanine, quinacridone,
, the auspicious ketone of croak (perinone), diketopyrrolopyrrolecocrystals, thioindigo, anthraquinone, indanthrene, anthrapyrimidine, flavanthrene, skin
Anthrone, anthanthrone, dioxazines, triaryl carbon, quinophthalone pigment, diketopyrrolopyrrolecocrystals (" DPPBO is red "), dioxy
Or mixtures thereof change titanium, carbon black, carbon fiber, graphite, other conducting pigments and/or filler,.
Photocurable coating material of the invention is matched can be by known to any those skilled in the art
Mode be applied on material surface.For example, the method that may include following steps is applied:
(1) the selection monomer containing at least one double bond, modified alkyd resin, photoinitiator, filler grain and view
Additive, clay and/or the second solvent needed, is stirred and adjusts to proper viscosity, is matched with forming the coating of one-pack-type
Side；
(2) resulting Photocurable coating material formula is coated in the right way on material surface and forms coating；
(3) it is optionally dried, (comprising the second solvent and is optionally used for the of modified alkyd resin to remove solvent
One solvent)；And
(4) irradiation energy ray is so that curing of coatings.
Suitable for the material that is coated with Photocurable coating material formula of the invention, there is no particular restriction, may be, for example, ceramic tile, wood
Material, leather, stone material, glass, metal, alloy, paper, plastics, fiber, cotton goods etc., more excellent is glass, metal, plastics or multiple
Condensation material substrate is espespecially used for the material of 3C electronic product, household electrical appliances and cosmetics.Wherein, metal substrate is such as, but not limited to: no
Rust steel, kirsite, aluminium, aluminium alloy, magnesium alloy and chromium, or combinations thereof.Plastic base is such as, but not limited to: acrylonitrile-butadiene-
Styrol copolymer (ABS), polycarbonate (PC), polypropylene (PP), polymethyl methacrylate (PMMA), polystyrene
(PS), PC/ABS, polyphenylene sulfide (PPS), polyamide (PA) or combinations thereof.More excellent is to be connect by two or more different materials
Composite substrate made of conjunction.Such as, but not limited to: what the PC (polycarbonate) by carbon fiber and containing glass fibre was constituted answers
Condensation material plate；The composite panel that PA (polyamide) by carbon fiber and containing glass fibre is constituted；By aluminium sheet and contain glass fibre
The composite panel that is constituted of PPS (polyphenylene sulfide)；PPS (polyphenylene sulfide) by almag and containing glass fibre is constituted
Composite panel；Or the composite panel being made of plastics and almag.
Coating method used in above-mentioned steps (2), such as, but not limited to: line bar is coated with (bar coating), slit
Molding coating (slot die coating), letterpress coating (gravure coating), ramp type are coated with (slide
Coating), curtain (curtain coating) or atomizing coating (spray coating)；More excellent is atomizing
It is coated with (spraying).
There is no particular restriction for the drying means of above-mentioned steps (3) removal solvent, and any known method appropriate, example can be used
Such as, but not limited to: irradiation infrared ray or hot wind are to toast coating.The temperature toasted in some embodiments can be 50 DEG C to 120
DEG C, such as, but not limited to: 50 DEG C, 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C, 80 DEG C, 85 DEG C, 90 DEG C, 95 DEG C, 100 DEG C, 105
DEG C, 110 DEG C, 115 DEG C or 120 DEG C；Baking time can be 1 to 20 minute, such as, but not limited to: 1,2,4,5,6,8,10,12,
14,15,16,18 or 20 minutes.
Solidification in above-mentioned steps (4) refers to that irradiation energy ray generates photopolymerization reaction and carries out, which is
Refer to light source of a wavelength range, such as ultraviolet light, infrared light, visible light or high-energy ray (electron beam) etc., more excellent is ultraviolet
Light (wavelength is 200 to 400nm).Irradiation energy density can be from 800 to 2000mJ/cm2850, such as, but not limited to: 800,
900、950、1000、1050、1100、1150、1200、1250、1300、1350、1400、1450、1500、1550、1600、
1650,1700,1750,1800,1850,1900,1950 or 2000mJ/cm2, more excellent is 900 to 1600mJ/cm2.By using
Above-mentioned photopolymerization reaction is solidified, and can will be foreshortened to the process time in 30 seconds.
In some embodiments, it before formulation for coating material of the present invention is coated on the surface of material, is screened out using sieve residual
Stay in the particle in formulation for coating material.In some embodiments, the mesh size of suitable sieve is 300 to 600mesh, such as
300mesh, 400mesh, 500mesh or 600mesh, more excellent is 500mesh.
The present invention separately provides a kind of gap-filling glue, and it includes Photocurable coating material formulas as described herein.
Existing PU type gap-filling glue is high-temperature baking solidification, if but directly carrying out high-temperature baking and be easy to causeing in surface drying not
Dry volcano hole phenomenon first allows solvent to volatilize so a period of time must be stood at normal temperature, and it is solid then to carry out high-temperature baking
Change, the required process time is long.Gap-filling glue of the invention be photocuring, can direct baking remove solvent, the process time can be shortened,
And dose rate is improved, reach energy-efficient purpose.
In addition, the preparation method of existing PU type gap-filling glue, is included in material surface spray-applied primer, to improve gap-filling glue painting
Density between layer and material surface.Density between gap-filling glue and material surface of the invention is good, can be directly coated at
On material surface, therefore, in some more excellent embodiments of the invention, the material surface to be coated with need not move through it is any before
Processing, such as surface treating agent, primer coating layer, coating foundation cream layer and/or these layers etc. of polishing.It is solid using light of the invention
Change type formulation for coating material can significantly simplify the process of the spatial defects on the existing modification material surface using PU type gap-filling glue.This
Outside, some specific embodiments according to the present invention, gap-filling glue of the invention are coated on when on material surface, are showed good
Anti- vertical fluidity, it can be ensured that the pore or fine crack deliberately drilled through on material does not show because formulation for coating material fills and do not generate long-pending side
As.
According to some embodiments of the present invention, if the space drop of the fine crack on material surface or groove is excessive, visually
It needs to apply additional benefit soil layer, and on the benefit soil layer, is coated with Photocurable coating material formula of the invention again, until obtaining
Until obtaining satisfied appearance.More excellent embodiment more according to the present invention, since formulation for coating material of the invention is with sufficiently high
Density, therefore mend soil layer can directly be contacted with formulation for coating material of the invention, no longer need to primer coating therebetween to increase
Density.Compared to the prior art, process flow can be significantly simplified by being matched using Photocurable coating material of the invention.
To the thickness of coated film, there is no particular restriction, can be according to the mill of retouching degree or removal to be polished to material
Thickness is adjusted, and the film thickness after formulation for coating material is cured in some embodiments is 10 to 200 μm.Such as, but not limited to: 10,
20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,170,180,190 or 200 μm, more excellent
It is 30 to 100 μm.
Embodiment 1
According to the listed composition of table 1 and ratio, the Photocurable coating material formula of one-pack-type is deployed.
* monomer: EM221 (diacrylate 1,6-HD ester (HDDA)): EM235 (pentaerythritol triacrylate
(PET3A)): EM39 (2- hydroxyethyl methacrylate phosphate (HEMAP)) (Changxing material)=2:1:1 (weight ratio)
With No. 1000 sand paper polishing almags and surface polyphenylene sulfide (PPS) containing glass fibre, sequentially with 500mesh
Sieve sieving table 1 in sample 1 to 13 formulation for coating material, and these formulation for coating material are sprayed at by substrate with air gun respectively
On, to form the coating with a thickness of about 50 μm, which is placed in 60 DEG C of infrared-ray oven toast 10 minutes it is molten to remove
Agent, followed by 1000mJ/cm2Middle medium pressure mercury lamp exposes the coating 60 seconds, cured coating is made.
Coating obtained by formulation for coating material by sample 1 to 13 carries out following property test:
Curability: irradiation 1000mJ/cm2Middle medium pressure mercury lamp is after 60 seconds, the curing degree of the coating of each sample: attachment degree
Reach 5B (stick with 3M-300 adhesive tape next, 90 ° tear up superficial film and do not peel off) and Qian Ying Du≤H (with Mitsubishi's standard hardness
Test pencil, under 1 kilogram of weight bearing, testing coating hardness) it is considered as well.
The adhesion of coating and substrate: according to the ASTM D3359-93 method of inspection, with hundred lattice scrapers scratch it is cured after
The coating surface of composite substrate is sticked after covering adhesive tape, is torn up with 90 ° of directions, and is calculated and peeled off lattice number.Wherein, 5B density indicates
Optimal adhesion, 0B density indicate worst adhesion.
2 levelability of table is to visually observe coating morphology
The anti-vertical fluidity of table 3 is to visually observe the coating morphology for being located at edge
Hardness: with Mitsubishi's standard hardness test pencil, under 1 kilogram of weight bearing, testing coating hardness.
Resistance to scraping property of finger: resitant coatings are scraped with finger nail, no scratch indicates that resistance to scraping property of finger is good；There is scratch to indicate resistance to scraping property of finger not
It is good.
Grinability: by No. 1000 sand paper polish after can be flat number (entire substrate polish back and forth in terms of once), class 5 table
Showing can only obtain flat surfaces (easy to polish) through primary polishing back and forth, and the expression of grade 1 need to be polished five times or more just back and forth
Flat surfaces (hardly possible polishing) can be obtained.
Table 4
The naked eyes readability of being polished flat property: " easy " expression can be recognized with the naked eye after polishing under light reflection
Whether material surface is flat；" hardly possible " indicates under light reflection, can not with the naked eye recognize whether the material surface after polishing puts down
It is smooth.
Recoatability: the adhesion after recoating meets 5B density, and to be considered as recoatability good.
Weatherability test: test condition is (1) resistance to high humility, and temperature 45 C, humidity 95% stand 48 hours；(2) resistance to height
Temperature, temperature 60 C, humidity 30% stand 48 hours；And (3) high/low temperature circulation, -20 DEG C to 60 DEG C of temperature, humidity 30% are quiet
It sets 50 hours.After weatherability is tested, every 100cm2Regional scope in coating surface, not occurring macroscopic stria is
" passing through " (see Fig. 2)；The macroscopic stria for occurring one or more is " not passing through ".
Stability in storage: placing 30 at 60 DEG C, does not generate not gelatinization or deposited phenomenon is that stability in storage is good.
As shown in the result of table 5, the base through Photocurable coating material formula (such as sample 1,2,3 and 10) processing of the invention
Material is not required to the method again via other pre-treatments, adherence needed for can assigning coating and substrate, and gained appearance of coat is flat
Whole, zero defect, weatherability are good, and the generation without stria, meet industry demand.
The result of another comparative sample 1,2 and 3 and sample 10 is it is found that formulation for coating material of the invention can additionally comprise colorant, institute
The colorant of addition is still unlikely to influence the light curable of formulation for coating material, and the addition of colorant, can be when polishing coating, just
In the flatness for directly judging coating with naked eyes.
The result of comparative sample 9 and sample 10 is it is found that flat dose of addition can further promote the levelability of formulation for coating material.
By the result of sample 6 and 7 it is found that when being not added with modified alkyd resin (sample 6), coating and institute's coating surface
Adherence is bad；When being not added with filler grain (talcum powder) (sample 6 and 7), coating polishing is bad and hardness and resistance to finger are scraped
Property is not also inconsistent standardization.
By sample 8 and 9 as a result, when addition clay (sample 9), can further reach the effect for improving anti-vertical fluidity.
By the result of sample 4 it is found that using the modified alkyd resin of low molecular weight, formulation for coating material can not assign coating with
The desirable adherence of substrate.
By the result of sample 5 it is found that using the modified alkyd resin of high molecular weight, the compatibility that formulation for coating material respectively forms
It is bad and cause the coating out-of-flatness after solidifying.
By the result of sample 11 it is found that using too high amount resin, the viscosity of formulation for coating material is excessively high and can not effectively consolidate
Change.
By the result of sample 12 and 13 it is found that if amount of filler is too low, coating polishing and hardness are bad, if amount of filler
Excessively high, formulation for coating material viscosity is excessively high and coating adherence is bad.
By the result of sample 14 and 15 it is found that if clay dosage is too low, anti-vertical fluidity needed for can not obtaining, if clay dosage
Excessively high, then the levelability of formulation for coating material is bad.
Claims (10)
1. a kind of Photocurable coating material formula, which is characterized in that the Photocurable coating material formula includes:
(a) containing the monomer of at least one double bond；
(b) modified alkyd resin；
(c) photoinitiator；And
(d) filler grain.
2. Photocurable coating material formula according to claim 1, which is characterized in that the monomer containing at least one double bond
For acrylate monomer.
3. Photocurable coating material formula according to claim 1, which is characterized in that the modified alkyd resin includes propylene
Sour modified alkyd resin, acrylate modified alkyd resin, styrenated alkyd, epoxy alkyd resin, silicone
The combination of one or more of modified alkyd resin, phenol-modified alkyd resin and rosin modified alkyd resin.
4. Photocurable coating material formula according to claim 1, which is characterized in that the weight of the modified alkyd resin is flat
Average molecular weight is 400,000 to 650,000.
5. Photocurable coating material formula according to claim 1, which is characterized in that form the total weight of (a) as 100 weights
Part meter is measured, the content of the modified alkyd resin is 50 to 150 parts by weight.
6. Photocurable coating material formula according to claim 1, which is characterized in that form the total weight of (a) as 100 weights
Part meter is measured, the content of the photoinitiator is 0.5-30 parts by weight.
7. Photocurable coating material formula according to claim 1, which is characterized in that form the total weight of (a) as 100 weights
Part meter is measured, the content of the filler grain is 10-60 parts by weight.
8. Photocurable coating material formula according to claim 1, which is characterized in that the Photocurable coating material formula also wraps
Clay is included, the clay includes montmorillonite, kaolin, lithium montmorillonite, saponite, attapulgite clay, illite, mica and green mud
The combination of one or more of stone.
9. Photocurable coating material formula according to claim 1, which is characterized in that the Photocurable coating material formula also wraps
Include additive, the additive includes flat dose, wetting agent, colorant, stabilization agent, thickener, promote glutinous agent, antioxidant, by
Hinder one of amine light stabilizer, rheology modifying agent, dispersing agent, antistatic agent or or two or more combination.
10. a kind of gap-filling glue, which is characterized in that the gap-filling glue includes the described in any item Photocurable coating materials of claim 1-9
Formula.
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| CN113773734A (en) * | 2021-08-18 | 2021-12-10 | 北新禹王防水科技集团有限公司 | Water-based polyurethane waterproof coating |
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| 王树强等: "《涂料工艺》", 31 December 1996, 化学工业出版社 * |
| 韩明祖等: "《汽车涂装技术》", 31 December 2009, 天津科学技术出版社 * |
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| CN112494365A (en) * | 2020-12-11 | 2021-03-16 | 龚乘锋 | Environment-friendly ice crack nail polish formula |
| CN113773734A (en) * | 2021-08-18 | 2021-12-10 | 北新禹王防水科技集团有限公司 | Water-based polyurethane waterproof coating |
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