CN110204992A - A kind of primary coat of Laser Jet and composite coating - Google Patents

A kind of primary coat of Laser Jet and composite coating Download PDF

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Publication number
CN110204992A
CN110204992A CN201910425472.4A CN201910425472A CN110204992A CN 110204992 A CN110204992 A CN 110204992A CN 201910425472 A CN201910425472 A CN 201910425472A CN 110204992 A CN110204992 A CN 110204992A
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China
Prior art keywords
mass parts
primary coat
laser jet
coating
coat
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CN201910425472.4A
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Chinese (zh)
Inventor
翁师德
赖少波
曾成财
王马火
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Fujian Herun Packaging Coatings Co Ltd
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Fujian Herun Packaging Coatings Co Ltd
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Priority to CN201910425472.4A priority Critical patent/CN110204992A/en
Publication of CN110204992A publication Critical patent/CN110204992A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52Macromolecular coatings
    • B41M5/5263Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • 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
    • 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
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • 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
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/18Spheres

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Invention is related to coatings for tin plate printing field, and in particular to the primary coat and composite coating, the primary coat of a kind of Laser Jet include the matrix resin of 75~85 mass parts;The crosslinking agent of 2~8 mass parts;The solvent of 5 ~ 15 mass parts;The adhesion promoter of 1~5 mass parts;The catalyst of 0.05~0.50 mass parts;The defoaming agent of 0.05~1 mass parts;The tripoli of 1 ~ 10 mass parts;The addition that the present invention passes through tripoli, promote the scratch resistant and heat-resisting quantity of primary coat, the primary coat of Laser Jet is obtained by the chemical compounding of matrix resin, crosslinking agent, solvent, adhesion promoter, catalyst, defoaming agent and tripoli, so that entire primary coat will not be punctured in Laser Jet, guarantee that packing jar ground is not exposed, rust will not be played after cooking sterilization or long-term placement, guarantee that stamp mark is long-term clear, discrimination is high, greatly improves application of the planar bar code technology on packing jar.

Description

A kind of primary coat of Laser Jet and composite coating
Technical field
The present invention relates to the technical fields of coatings for tin plate printing, and in particular to a kind of primary coat of Laser Jet and composite coating.
Background technique
It is conventional process that Laser Jet, which makes a check mark, on the packing jars such as can, beverage can, and with Internet technology Progress, scans the two-dimensional code the information and identity to identify product, more and more common, therefore, two dimensional code is introduced into food, beverage And on the packing jar of other common consumer products.
Currently, the two dimensional code on packing jar is largely made by way of Laser Jet, on packing jar generally at least Layer of transparent protective coating, laser, which directly burns coating, gets two dimensional code;Due to coating transparent, compared colour difference is unobvious, and applies For layer because breakdown has destruction, long-term exposed ground can play rust, easily cause two dimensional code mark unintelligible, discrimination is low.Therefore, producer's meeting On packing jar after first printing ink layer, then upper layer of transparent protective layer, with the stamp on ink layer, to solve compared colour difference Unconspicuous problem.But when Laser Jet, laser power control difference equally will appear the problem of puncturing ink layer, especially It is that after food cans are placed by sterilization process or for a long time, will appear the defects of ground plays rust, two dimensional code is unintelligible.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention It is to provide a kind of primary coat of Laser Jet.The primary coat can solve Laser Jet burn coating, cause two dimensional code it is unintelligible, know The not low problem of rate, while the primary coat has excellent scratch resistance, machinability and cooking, especially marresistance obvious Better than the scheme of not primary coat, to greatly promote application of the planar bar code technology on the packing jars such as food cans.
The second object of the present invention is to provide a kind of composite coating of Laser Jet.
In view of this, in one aspect of the invention, the invention proposes a kind of primary coats of Laser Jet comprising: The matrix resin of 75~85 mass parts;The crosslinking agent of 2~8 mass parts;The solvent of 5~15 mass parts;The attachment of 1~5 mass parts Power promotor;The catalyst of 0.05~0.50 mass parts;The defoaming agent of 0.05~1 mass parts;The tripoli of 1~10 mass parts.
Pass through the chemistry of matrix resin, crosslinking agent, solvent, adhesion promoter, catalyst, defoaming agent and tripoli as a result, Compounding obtains the primary coat of Laser Jet, wherein and matrix resin is main film forming substance, and crosslinking agent is subsidiary film forming matter, two Person's cross-linking reaction is formed by curing coating, and catalyst then promotes crosslinking curing degree, increases coating hardness and boiling resistance, adhesive force Promotor promotes ply adhesion of the coating to the adhesive force and ink layer of ground, and tripoli can promote the scoring resistance energy of coating Guarantee that packing jar ground is not exposed so that entire primary coat will not be punctured in Laser Jet with temperature tolerance, cook sterilization or length Phase will not play rust after placing, and guarantee that stamp mark is long-term clear, discrimination is high, greatly improves planar bar code technology on packing jar Using.
In addition, the primary coat of the Laser Jet proposed according to that above embodiment of the present invention, can also have following additional Technical characteristic:
According to an embodiment of the invention, the matrix resin is the epoxy resin of linear high molecular weight.
According to an embodiment of the invention, the epoxide equivalent of the epoxy resin is 1000~4000g/eq, the asphalt mixtures modified by epoxy resin The softening point of rouge is greater than 100 DEG C.
According to an embodiment of the invention, the crosslinking agent is selected from benzene for amino resins, ureaformaldehyde amino resins, color inhibition isocyanide At least one of acid esters.
According to an embodiment of the invention, the solvent be selected from 100# solvent naphtha, 150# solvent naphtha, dibasic acid ester mixture, Ethylene glycol monobutyl ether, n-butanol, isophorone, several mixtures in ethylene glycol ether acetate.
According to an embodiment of the invention, the adhesion promoter is in epoxy phosphate ester or low-molecular-weight epoxy resin One kind.
According to an embodiment of the invention, the tripoli is lithium aluminium silicate powder.
According to an embodiment of the invention, the catalyst is selected from organotin catalysts or acid catalyst.
According to an embodiment of the invention, the defoaming agent is selected from one of esters of acrylic acid or organosiloxane class.
In another aspect of the invention, the invention proposes a kind of composite coatings of Laser Jet comprising is suitable for Priming coat of the roller coating on packing jar ground, roller coating on the priming coat ink layer and roller coating on the ink layer Light oil reservoir;The priming coat uses the primary coat of above-mentioned Laser Jet.
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art It offers described technology or conditions or is carried out according to product description.Reagents or instruments used without specified manufacturer, For can be with conventional products that are commercially available.
In one aspect of the invention, the invention proposes a kind of primary coats of Laser Jet.Implementation according to the present invention Example, the primary coat includes: the matrix resin of 75~85 mass parts;The crosslinking agent of 2~8 mass parts;The solvent of 5~15 mass parts;1 The adhesion promoter of~5 mass parts;The catalyst of 0.05~0.50 mass parts;The defoaming agent of 0.05~1 mass parts;1~10 The tripoli of mass parts, 100 parts of each raw material component mass parts summation.As a result, by the addition of tripoli, promoted the scratch resistant of primary coat with Heat-resisting quantity passes through the chemical compounding of matrix resin, crosslinking agent, solvent, adhesion promoter, catalyst, defoaming agent and tripoli The primary coat of Laser Jet is obtained, so that entire primary coat will not be punctured in Laser Jet, guarantees that packing jar ground is not exposed, Rust will not be played after cooking sterilization or long-term placement, guarantees that stamp mark is long-term clear, discrimination is high, greatly improves planar bar code technology Application on packing jar.
According to an embodiment of the invention, in order to improve the flexibility of primary coat;Matrix resin is the epoxy of linear high molecular weight Resin.Linearly refer to the molecule catenation of epoxy resin without branching.Specifically, the epoxide equivalent of epoxy resin be 1000~ The softening point of 4000g/eq, epoxy resin are greater than 100 DEG C.Because being applied in packing jar, the repeatedly baking of outer painting needs, using linear The epoxy resin of high molecular weight can solve coating after repeatedly toasting, and flexibility decline, attachment is deteriorated, and lead to seaming, sterilization Fall the problem of painting in process, thereby it is ensured that the adhesion and flexibility of primary coat.
According to an embodiment of the invention, crosslinking agent is selected from benzene for amino resins, ureaformaldehyde amino resins, color inhibition isocyanates At least one of.For crosslinking agent using benzene for amino resins, film flexibility, adhesive force are good, can solve after coating repeatedly toasts Adhesive force declines problem, and smooth degree is high, can reduce coating surface coefficient of friction, reduces scratch;Crosslinking agent uses ureaformaldehyde amino Resin, coating adhesion is good, and hardness is high, and cooking is good, can reduce scratch resistance;Crosslinking agent uses color inhibition isocyanates, coating Lustrous surface is good, and cooking is good.Thus, it is possible to flexible choice crosslinking agent appropriate according to actual needs, Lai Tigao primary coat it is attached The performances such as property, cooking.
According to an embodiment of the invention, in order to improve the planarization of primed surface, improve glossiness and viscosity stability;It is molten Agent is selected from 100# solvent naphtha, 150# solvent naphtha, dibasic acid ester mixture, ethylene glycol monobutyl ether, n-butanol, isophorone, second two Several mixtures in alcohol ethyl ether acetate ester.Wherein, can volatilize gradient according to solvent, in conjunction with practical baking-curing technique, height Boiling point solvent collocation mixing;Low boiling point solvent can faster volatilize surface drying as a result, and the high boiling solvents such as dibasic acid ester mixture can Stream bottle of the coating in baking process is improved, guarantees the planarization of coating surface, improves glossiness, ethylene glycol monobutyl ether can reduce Coating surface tension, improves the wetability of coating, and coating viscosity stability can be improved in n-butanol.
According to an embodiment of the invention, to further increase the adhesive force or flexibility of primary coat;Adhesion promoter is selected from One of epoxy phosphate ester or low-molecular-weight epoxy resin.Epoxy-resin systems can be improved by epoxy phosphate ester as a result, Primary coat can promote the flexibility of coating to the adhesive force of ground and ink, small-molecular-weight epoxy resin.
According to an embodiment of the invention, to improve adhesion strength, high temperature resistance and the machinability of primary coat;It is described Tripoli is lithium aluminium silicate powder.Specifically, tripoli is flaky silicic acid aluminium potassium, white powder of the fineness less than 10 microns;As a result, Tripoli is added in primary coat can promote the adhesion strength and machinability of coating, can also promote the heat-resisting quantity of coating Energy.
According to an embodiment of the invention, catalyst is selected from organotin catalysts or acid catalyst.Specifically, organotin is urged Agent can be that dibutyl tin or stannous octoate can be improved the crosslink density of coating, promoted and steamed for being catalyzed isocyanate crosslinking Performance is boiled, while improving coating gloss, acid catalyst is benzene sulfonic acid type or naphthalene sulfonic acids type, it is crosslinked for catalytic amino resin, Crosslink density is improved, wear-resisting, reduction scratch is promoted.Thus, it is possible to flexible choice catalyst appropriate according to actual needs, to mention The performances such as the wearability or cooking of high primary coat.
According to an embodiment of the invention, the defoaming agent is selected from one of esters of acrylic acid or organosiloxane class.By This, by esters of acrylic acid or the defoaming agent of organosiloxane class, defoaming effect is good, does not cause coating surface abnormal, does not migrate.
In another aspect of the invention, the invention proposes a kind of composite coatings of Laser Jet comprising is suitable for The priming coat being coated on packing jar ground, the ink layer being coated on the priming coat and is coated on the ink layer Light oil reservoir;The priming coat uses the primary coat of above-mentioned Laser Jet.
Wherein, ink material well known in the art can be used in ink layer;Gloss oil material well known in the art can be used in light oil reservoir Matter;Gloss oil as following formula: the matrix resin of 70~85 mass parts can also be used;The crosslinking agent of 5~15 mass parts, 5~15 matter Measure the solvent of part;0.05~0.50 part of catalyst;The wax assistant of 1~5 mass parts;The defoaming agent of 0.05~1 mass parts, each original Expect 100 parts of constituent mass part summation.So that the cooking of gloss oil is good, wear-resisting excellent, Laser Jet is further prevented to burn coating, Lead to the problem that two dimensional code is unintelligible, discrimination is low, it is scratch resistance compared to the mechanical resistant of current single-layer and transparent protective coating have it is bright Aobvious promotion can greatly reduce the scratch of system lid.
According to an embodiment of the invention, packing jar ground can be three-piece can cover, cover material can be plating ferrochrome, horse Mouth iron or aluminium;Priming coat of the invention all has good adhesion, and ink layer on plating ferrochrome, tinplate or aluminium Good it can adhere to printing on priming coat.
According to an embodiment of the invention, the matrix resin in the gloss oil can be the epoxy resin of linear high molecular weight, ring The epoxide equivalent of oxygen resin is greater than 100 DEG C in 1000~4000g/eq, softening point.Linear high molecular weight epoxy resin is selected, is applied Repeatedly baking flexibility is excellent for layer, and machinability is good, the resin for selecting softening point high, and coating hardness is high, and excellent wear resistance can subtract Lid process crimping scratch processed less.
According to an embodiment of the invention, the crosslinking agent in the gloss oil can be selected from benzene for amino resins, ureaformaldehyde amino resins, At least one of color inhibition isocyanates.For crosslinking agent using benzene for amino resins, film flexibility, adhesive force are good, can solve Adhesive force declines problem after coating repeatedly toasts, and smooth degree is high, can reduce coating surface coefficient of friction, reduces scratch;Crosslinking Agent uses ureaformaldehyde amino resins, and coating adhesion is good, and hardness is high, and cooking is good, can reduce scratch resistance;Crosslinking agent uses color inhibition Isocyanates, coating surface good luster, cooking are good.Thus, it is possible to which flexible choice crosslinking agent appropriate according to actual needs, comes Improve the performances such as adhesion, the cooking of gloss oil.Solvent in the gloss oil can be selected from 100# solvent naphtha, 150# solvent naphtha, two First acid ester mixtures, ethylene glycol monobutyl ether, n-butanol, isophorone, several mixtures in ethylene glycol ether acetate.Its In, can volatilize gradient according to solvent, in conjunction with practical baking-curing technique, high low boiling point solvent collocation mixing;Low boiling point is molten as a result, Agent can faster volatilize surface drying, and stream bottle of the coating in baking process can be improved in the high boiling solvents such as dibasic acid ester mixture, protect The planarization of coating surface is demonstrate,proved, glossiness is improved, ethylene glycol monobutyl ether can drop light oil reservoir surface tension, improve the wetting of coating Property, coating viscosity stability can be improved in n-butanol.Catalyst in the gloss oil is selected from organotin catalysts or acid catalyst.Tool For body, coating can be can be improved for being catalyzed isocyanate crosslinking for dibutyl tin or stannous octoate in organotin catalysts Crosslink density promotes cooking characteristic, while improving coating gloss, and acid catalyst is benzene sulfonic acid type or naphthalene sulfonic acids type, for urging Change amino resin crosslinked, raising crosslink density, promotes wear-resisting, reduction scratch.Thus, it is possible to which flexible choice is suitable according to actual needs When catalyst, the performances such as wearability or cooking of Lai Tigao gloss oil.Defoaming agent in the gloss oil can be selected from acrylate One of class or organosiloxane class.Pass through esters of acrylic acid or the defoaming agent of organosiloxane class, defoaming effect as a result, It is good, it does not cause coating surface abnormal, does not migrate.Candle agent in the gloss oil can be selected from spherical polytetrafluoroethylmodified modified polyethylene Wax selects spherical wax, and softening point is high, and deformation is small under high temperature, and smooth degree is excellent, and it is wear-resisting can be obviously improved coating.
As a result, in Laser Jet, priming coat first on cover, after drying, ink layer is printed on priming coat, dry Glazing oil reservoir again after dry, so that can not puncture the priming coat of the bottom under Laser Jet controlled power, so that food cans boiling Non-rusting after sterilization or long-term placement, stamp mark is clear, and discrimination is high.
Below with reference to embodiment, the present invention is further explained:
Embodiment 1
The packing jar ground of the present embodiment is three-piece can cover, and the material of cover is chromium plating iron plate.
(1) epoxy resin (40% solid content) 81 mass parts of epoxide equivalent 2000 preparation of primary coat raw material: are weighed;Ureaformaldehyde 5 mass parts of amino resins;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture;2 mass parts of epoxy phosphate ester; Ten diphenyl sulfonic acid, 0.2 mass parts;0.3 mass parts of acrylate defoaming agent.It is first that epoxy resin, ureaformaldehyde amino resins, 150# is molten Agent oil and dibasic acid ester mixture mixing, are dispersed with stirring 15min;After being dispersed with stirring, epoxy phosphate ester, ten hexichol sulphurs are continuously added Acid and acrylate defoaming agent, continue to be dispersed with stirring 15~30min, primary coat raw material are made, spare.
(2) preparation of gloss oil raw material: epoxy resin (40% solid content) 78 mass parts of epoxide equivalent 1700;Benzene is for amino 5 mass parts of resin, 3 mass parts of ureaformaldehyde amino;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture;Spherical shape is poly- Tetrafluoroethene modified polyethylene wax (18% solid content) 2 mass parts;Ten diphenyl sulfonic acid, 0.2 mass parts;0.3 matter of organic silicon defoamer Measure part.Epoxy resin, benzene are mixed for amino resins, ureaformaldehyde amino resins, 150# solvent naphtha and dibasic acid ester mixture first, stirred Mix dispersion 15min;After being dispersed with stirring, spherical polytetrafluoroethylmodified modified polyethylene wax (polytetrafluoroethylmodified modified poly- second is continuously added Alkene wax will be ground in advance), ten diphenyl sulfonic acid and organic silicon defoamer, continue to be dispersed with stirring 15~30min, gloss oil raw material be made, It is spare.
(3) preparation of the composite coating of Laser Jet:
One, on chromium plating iron plate material after the primary coat raw material of roll-coating steps (1) acquisition, 1~15 is toasted at 180~200 DEG C Minute, make primary coat coating dry film with a thickness of 4~7g/m2, to form priming coat.
Two, after being patterned on priming coat with ink roller, it is placed at 140~160 DEG C and toasts 10~15 minutes, in primary coat Ink layer is formed on layer.
Three, on ink layer after the gloss oil raw material of roll-coating steps (2) acquisition, 10~15 points are toasted at 190~210 DEG C Clock makes coating dry film with a thickness of 4~7g/m2, to form light oil reservoir on ink layer, so that being formed on three-piece can cover has The composite coating of priming coat, ink layer and light oil reservoir.
Embodiment 2
The packing jar ground of the present embodiment is three-piece can cover, and the material of cover is chromium plating iron plate.
(1) preparation of primary coat raw material: epoxy resin (40% solid content) 77 mass parts of epoxide equivalent 1700;Ureaformaldehyde amino 5 mass parts of resin;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture, 4 mass parts of ethylene glycol monobutyl ether;Ring 2 mass parts of oxygen phosphate;Ten diphenyl sulfonic acid, 0.2 mass parts;0.3 mass parts of acrylate defoaming agent.First by epoxy resin, ureaformaldehyde Amino resins, 150# solvent naphtha, dibasic acid ester mixture and ethylene glycol monobutyl ether mixing, are dispersed with stirring 15min;It is dispersed with stirring Afterwards, epoxy phosphate ester, ten diphenyl sulfonic acid and acrylate defoaming agent are continuously added, continues to be dispersed with stirring 15~30min, bottom is made Raw material is applied, it is spare.
(2) preparation of gloss oil raw material: epoxy resin (40% solid content) 78 mass parts of epoxide equivalent 1700;Benzene is for amino 5 mass parts of resin, 3 mass parts of ureaformaldehyde amino resins;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture;Ball The polytetrafluoroethylmodified modified polyethylene wax of shape (18% solid content) 2 mass parts;Ten diphenyl sulfonic acid, 0.2 mass parts;Organic silicon defoamer 0.3 mass parts.First epoxy resin, benzene are mixed for amino resins, ureaformaldehyde amino resins, 150# solvent naphtha and dibasic acid ester mixture It closes, is dispersed with stirring 15min;After being dispersed with stirring, it is (polytetrafluoroethylmodified modified to continuously add spherical polytetrafluoroethylmodified modified polyethylene wax Polyethylene wax will be ground in advance), ten diphenyl sulfonic acid and organic silicon defoamer, continue to be dispersed with stirring 15~30min, gloss oil original be made Material, it is spare.
(3) preparation of the composite coating of Laser Jet:
One, on chromium plating iron plate material after the primary coat raw material of roll-coating steps (1) acquisition, 1~15 is toasted at 180~200 DEG C Minute, make primary coat coating dry film with a thickness of 4~7g/m2, to form priming coat.
Two, after being patterned on priming coat with ink roller, it is placed at 140~160 DEG C and toasts 10~15 minutes, in primary coat Ink layer is formed on layer.
Three, on ink layer after the gloss oil raw material of roll-coating steps (2) acquisition, 10~15 points are toasted at 190~210 DEG C Clock makes coating dry film with a thickness of 4~7g/m2, to form light oil reservoir on ink layer, so that being formed on three-piece can cover has The composite coating of priming coat, ink layer and light oil reservoir.
Embodiment 3
The packing jar ground of the present embodiment is three-piece can cover, and the material of cover is chromium plating iron plate.
(1) preparation of primary coat raw material: epoxy resin (40% solid content) 81 mass parts of epoxide equivalent 2000;Ureaformaldehyde amino 5 mass parts of resin;3.5 mass parts of 150# solvent naphtha, 4 mass parts of dibasic acid ester mixture;6 mass parts of lithium aluminium silicate powder;Ten 0.2 mass parts of diphenyl sulfonic acid;0.3 mass parts of acrylate defoaming agent.First by epoxy resin, ureaformaldehyde amino resins, 150# solvent Oil, dibasic acid ester mixture and the mixing of lithium aluminium silicate powder, are dispersed with stirring 15min;After being dispersed with stirring, ten hexichol sulphurs are continuously added Acid and acrylate defoaming agent, continue to be dispersed with stirring 15~30min, primary coat raw material are made, spare.
(2) preparation of gloss oil raw material: epoxy resin (40% solid content) 75 mass parts of epoxide equivalent 1700;Benzene is for amino 5 mass parts of resin, 7 mass parts of ureaformaldehyde amino;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture, n-butanol 2 Mass parts;2 mass parts of spherical polytetrafluoroethylmodified modified polyethylene wax (18% solid content);Ten diphenyl sulfonic acid, 0.2 mass parts;It is organic 0.3 mass parts of silicon defoaming agent, in total 100 mass parts.It is first that epoxy resin, benzene is molten for amino resins, ureaformaldehyde amino resins, 150# Agent oil, dibasic acid ester mixture and n-butanol mixing, are dispersed with stirring 15min;After being dispersed with stirring, spherical polytetrafluoroethyl-ne is continuously added Alkene modified polyethylene wax (polytetrafluoroethylmodified modified polyethylene wax will be ground in advance), ten diphenyl sulfonic acid and organic silicon defoamer, after It is continuous to be dispersed with stirring 15~30min, gloss oil raw material is made, it is spare.
(3) preparation of the composite coating of Laser Jet:
One, on chromium plating iron plate material after the primary coat raw material of roll-coating steps (1) acquisition, 1~15 is toasted at 180~200 DEG C Minute, make primary coat coating dry film with a thickness of 4~7g/m2, to form priming coat.
Two, after being patterned on priming coat with ink roller, it is placed at 140~160 DEG C and toasts 10~15 minutes, in primary coat Ink layer is formed on layer.
Three, on ink layer after the gloss oil raw material of roll-coating steps (2) acquisition, 10~15 points are toasted at 190~210 DEG C Clock makes coating dry film with a thickness of 4~7g/m2, to form light oil reservoir on ink layer, so that being formed on three-piece can cover has The composite coating of priming coat, ink layer and light oil reservoir.
Embodiment 4
The packing jar ground of the present embodiment is three-piece can cover, and the material of cover is chromium plating iron plate.
(1) preparation of primary coat raw material: epoxy resin (40% solid content) 81 mass parts of epoxide equivalent 2000;Ureaformaldehyde amino 4 mass parts of resin;3.5 mass parts of 150# solvent naphtha, 5 mass parts of dibasic acid ester mixture, 2 mass parts of ethylene glycol monobutyl ether;Ring 1 mass parts of oxygen phosphate, 3 mass parts of lithium aluminium silicate powder;Ten diphenyl sulfonic acid, 0.2 mass parts;0.3 mass of acrylate defoaming agent Part.First by epoxy resin, ureaformaldehyde amino resins, 150# solvent naphtha, dibasic acid ester mixture, ethylene glycol monobutyl ether and lithium aluminium silicate Powder mixing, is dispersed with stirring 15min;After being dispersed with stirring, epoxy phosphate ester, ten diphenyl sulfonic acid and acrylate defoaming are continuously added Agent continues to be dispersed with stirring 15~30min, and primary coat raw material is made, spare.
(2) preparation of gloss oil raw material: epoxy resin (40% solid content) 78 mass parts of epoxide equivalent 1700;Benzene is for amino 5 mass parts of resin, 3 mass parts of ureaformaldehyde amino;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture;Spherical shape is poly- Tetrafluoroethene modified polyethylene wax (18% solid content) 2 mass parts;Ten diphenyl sulfonic acid, 0.2 mass parts;0.3 matter of organic silicon defoamer Part is measured, in total 100 mass parts.First by epoxy resin, benzene for amino resins, ureaformaldehyde amino resins, 150# solvent naphtha and binary acid Ester admixture mixing, is dispersed with stirring 15min;After being dispersed with stirring, spherical polytetrafluoroethylmodified modified polyethylene wax (poly- four is continuously added Fluoride modified polyethylene wax will be ground in advance), ten diphenyl sulfonic acid and organic silicon defoamer, continue to be dispersed with stirring 15~30min, Gloss oil raw material is made, it is spare.
(3) preparation of the composite coating of Laser Jet:
One, on chromium plating iron plate material after the primary coat raw material of roll-coating steps (1) acquisition, 1~15 is toasted at 180~200 DEG C Minute, make primary coat coating dry film with a thickness of 4~7g/m2, to form priming coat.
Two, after being patterned on priming coat with ink roller, it is placed at 140~160 DEG C and toasts 10~15 minutes, in primary coat Ink layer is formed on layer.
Three, on ink layer after the gloss oil raw material of roll-coating steps (2) acquisition, 10~15 points are toasted at 190~210 DEG C Clock makes coating dry film with a thickness of 4~7g/m2, to form light oil reservoir on ink layer, so that being formed on three-piece can cover has The composite coating of priming coat, ink layer and light oil reservoir.
Embodiment 5
The packing jar ground of the present embodiment is three-piece can cover, and the material of cover is chromium plating iron plate.
(1) preparation of primary coat raw material: epoxy resin (40% solid content) 73 mass parts of epoxide equivalent 2000;Ureaformaldehyde amino 5 mass parts of resin;3.5 mass parts of 150# solvent naphtha, 5 mass parts of dibasic acid ester mixture;Low point of epoxide equivalent 300~600 Son amount 7 mass parts of epoxy resin, 6 mass parts of lithium aluminium silicate powder;Ten diphenyl sulfonic acid, 0.2 mass parts;Acrylate defoaming agent 0.3 Mass parts.First by epoxy resin, ureaformaldehyde amino resins, 150# solvent naphtha, dibasic acid ester mixture, low-molecular-weight epoxy resin, It is mixed with lithium aluminium silicate powder, is dispersed with stirring 15min;After being dispersed with stirring, ten diphenyl sulfonic acid and acrylate defoaming are continuously added Agent continues to be dispersed with stirring 15~30min, and primary coat raw material is made, spare.
(2) preparation of gloss oil raw material: epoxy resin (40% solid content) 78 mass parts of epoxide equivalent 1700;Benzene is for amino 5 mass parts of resin, 3 mass parts of ureaformaldehyde amino resins;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture;Ball The polytetrafluoroethylmodified modified polyethylene wax of shape (18% solid content) 2 mass parts;Ten diphenyl sulfonic acid, 0.2 mass parts;Organic silicon defoamer 0.3 mass parts.First epoxy resin, benzene are mixed for amino resins, ureaformaldehyde amino resins, 150# solvent naphtha and dibasic acid ester mixture It closes, is dispersed with stirring 15min;After being dispersed with stirring, it is (polytetrafluoroethylmodified modified to continuously add spherical polytetrafluoroethylmodified modified polyethylene wax Polyethylene wax will be ground in advance), ten diphenyl sulfonic acid and organic silicon defoamer, continue to be dispersed with stirring 15~30min, gloss oil original be made Material, it is spare.
(3) preparation of the composite coating of Laser Jet:
One, on chromium plating iron plate material after the primary coat raw material of roll-coating steps (1) acquisition, 1~15 is toasted at 180~200 DEG C Minute, make primary coat coating dry film with a thickness of 4~7g/m2, to form priming coat.
Two, after being patterned on priming coat with ink roller, it is placed at 140~160 DEG C and toasts 10~15 minutes, in primary coat Ink layer is formed on layer.
Three, on ink layer after the gloss oil raw material of roll-coating steps (2) acquisition, 10~15 points are toasted at 190~210 DEG C Clock makes coating dry film with a thickness of 4~7g/m2, to form light oil reservoir on ink layer, so that being formed on three-piece can cover has The composite coating of priming coat, ink layer and light oil reservoir.
Embodiment 6
The packing jar ground of the present embodiment is three-piece can cover, and the material of cover is chromium plating iron plate.
(1) preparation of primary coat raw material: epoxy resin (40% solid content) 81 mass parts of epoxide equivalent 2000;Ureaformaldehyde amino 5 mass parts of resin;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture;2 mass parts of epoxy phosphate ester;12 0.2 mass parts of benzene sulfonic acid;0.3 mass parts of acrylate defoaming agent.First by epoxy resin, ureaformaldehyde amino resins, 150# solvent naphtha It is mixed with dibasic acid ester mixture, is dispersed with stirring 15min;After being dispersed with stirring, continuously add epoxy phosphate ester, ten diphenyl sulfonic acid and Acrylate defoaming agent continues to be dispersed with stirring 15~30min, and primary coat raw material is made, spare.
(2) preparation of gloss oil raw material: epoxy resin (40% solid content) 78 mass parts of epoxide equivalent 1700;Color inhibition is different 3 mass parts of cyanate, 6 mass parts of ureaformaldehyde amino resins;3.5 mass parts of 150# solvent naphtha, 8 mass parts of dibasic acid ester mixture; 2 mass parts of spherical polytetrafluoroethylmodified modified polyethylene wax (18% solid content);Ten diphenyl sulfonic acid, 0.1 mass parts, dibutyl tin 0.1 mass parts of cinnamic acid tin;0.3 mass parts of organic silicon defoamer.First by epoxy resin, color inhibition isocyanates, ureaformaldehyde amino tree Rouge, 150# solvent naphtha and dibasic acid ester mixture mixing, are dispersed with stirring 15min;After being dispersed with stirring, spherical polytetrafluoro is continuously added Ethylene modified polyethylene wax (polytetrafluoroethylmodified modified polyethylene wax will be ground in advance), dibutyl tin dilaurate, ten hexichol sulphurs Acid and organic silicon defoamer, continue to be dispersed with stirring 15~30min, gloss oil raw material are made, spare.
(3) preparation of the composite coating of Laser Jet:
One, on chromium plating iron plate material after the primary coat raw material of roll-coating steps (1) acquisition, 1~15 is toasted at 180~200 DEG C Minute, make primary coat coating dry film with a thickness of 4~7g/m2, to form priming coat.
Two, after being patterned on priming coat with ink roller, it is placed at 140~160 DEG C and toasts 10~15 minutes, in primary coat Ink layer is formed on layer.
Three, on ink layer after the gloss oil raw material of roll-coating steps (2) acquisition, 10~15 points are toasted at 190~210 DEG C Clock makes coating dry film with a thickness of 4~7g/m2, to form light oil reservoir on ink layer, so that being formed on three-piece can cover has The composite coating of priming coat, ink layer and light oil reservoir.
Comparative example 1
The packing jar ground of this comparative example is three-piece can cover, and the material of cover is chromium plating iron plate.
One, after being patterned on chromium plating iron plate material with ink roller, be placed at 140~160 DEG C and toast 10~15 minutes, with Ink layer is formed on sheet material.
Two, on ink layer after the commercially available clean oil raw material of roller coating, is toasted 10~15 minutes at 190~210 DEG C, make to apply Layer thickness of dry film is 6~10g/m2, to form transparent oil reservoir on ink layer, so that being formed on three-piece can cover has ink The composite coating of layer and transparent oil reservoir.
The test result of the composite coating of each embodiment and comparative example preparation is referring to following table table 1.
Table 1
To sum up, the primary coat of Laser Jet of the present invention and its composite coating, be used for Laser Jet, two dimensional code after sterilization, After impregnating copper-bath, no any rust, two dimensional code is clear, recognizable, and the solution prior art, which has had rust, leads to two dimensional code Unsharp problem.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It is interpreted as that identical embodiment or example must be directed to.Moreover, particular features, structures, materials, or characteristics described It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can Different embodiments or examples described in this specification are engaged and be combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (10)

1. a kind of primary coat of Laser Jet characterized by comprising
The matrix resin of 75~85 mass parts;
The crosslinking agent of 2~8 mass parts;
The solvent of 5 ~ 15 mass parts;
The adhesion promoter of 1~5 mass parts;
The catalyst of 0.05~0.50 mass parts;
The defoaming agent of 0.05~1 mass parts;
The tripoli of 1 ~ 10 mass parts.
2. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the matrix resin is linear high molecular weight Epoxy resin.
3. the primary coat of Laser Jet as claimed in claim 2, it is characterised in that: the epoxide equivalent of the epoxy resin is The softening point of 1000 ~ 4000g/eq, the epoxy resin are greater than 100 DEG C.
4. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the crosslinking agent is selected from benzene for amino tree At least one of rouge, ureaformaldehyde amino resins, color inhibition isocyanates.
5. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the solvent be selected from 100# solvent naphtha, It is 150# solvent naphtha, dibasic acid ester mixture, ethylene glycol monobutyl ether, n-butanol, isophorone, several in ethylene glycol ether acetate Kind mixture.
6. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the adhesion promoter is selected from epoxy phosphorus One of acid esters or low-molecular-weight epoxy resin.
7. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the tripoli is lithium aluminium silicate powder.
8. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the catalyst is selected from organotin catalysts Or acid catalyst.
9. the primary coat of Laser Jet as described in claim 1, it is characterised in that: the defoaming agent be selected from esters of acrylic acid or One of organosiloxane class.
10. a kind of composite coating of Laser Jet, it is characterised in that: including being suitable for primary coat of the roller coating on packing jar ground Layer, roller coating is in the light oil reservoir of ink layer and roller coating on the ink layer on the priming coat;The priming coat is using such as The primary coat of Laser Jet described in any one of claims 1 to 9.
CN201910425472.4A 2019-05-21 2019-05-21 A kind of primary coat of Laser Jet and composite coating Pending CN110204992A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111098036A (en) * 2019-12-31 2020-05-05 北京赛腾标识系统股份公司 Code assigning method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104449242A (en) * 2014-12-25 2015-03-25 佛山市儒林化工有限公司 Primary-coat-free sanitary can gloss oil with good adhesive force and excellent processability
CN204990354U (en) * 2015-09-17 2016-01-20 佛山市儒林化工有限公司 UV printing exempt from glazing two -dimensional code printing ink coating
JP2017075222A (en) * 2015-10-14 2017-04-20 Dicグラフィックス株式会社 Uv-curable offset ink composition for laser marking

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104449242A (en) * 2014-12-25 2015-03-25 佛山市儒林化工有限公司 Primary-coat-free sanitary can gloss oil with good adhesive force and excellent processability
CN204990354U (en) * 2015-09-17 2016-01-20 佛山市儒林化工有限公司 UV printing exempt from glazing two -dimensional code printing ink coating
JP2017075222A (en) * 2015-10-14 2017-04-20 Dicグラフィックス株式会社 Uv-curable offset ink composition for laser marking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111098036A (en) * 2019-12-31 2020-05-05 北京赛腾标识系统股份公司 Code assigning method and system

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Application publication date: 20190906