CN114274681B - Alcohol-resistant resin carbon ribbon and preparation method thereof - Google Patents
Alcohol-resistant resin carbon ribbon and preparation method thereof Download PDFInfo
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- CN114274681B CN114274681B CN202111597363.4A CN202111597363A CN114274681B CN 114274681 B CN114274681 B CN 114274681B CN 202111597363 A CN202111597363 A CN 202111597363A CN 114274681 B CN114274681 B CN 114274681B
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- 229920005989 resin Polymers 0.000 title claims abstract description 96
- 239000011347 resin Substances 0.000 title claims abstract description 96
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 89
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 62
- 238000000576 coating method Methods 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 239000001993 wax Substances 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 25
- 239000003377 acid catalyst Substances 0.000 claims abstract description 24
- 229920001225 polyester resin Polymers 0.000 claims abstract description 23
- 239000004645 polyester resin Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 23
- 239000000113 methacrylic resin Substances 0.000 claims abstract description 22
- 229920003180 amino resin Polymers 0.000 claims abstract description 21
- 239000001023 inorganic pigment Substances 0.000 claims abstract description 20
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 15
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 14
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 69
- 239000010410 layer Substances 0.000 claims description 33
- 238000002156 mixing Methods 0.000 claims description 27
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 23
- 239000004698 Polyethylene Substances 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004203 carnauba wax Substances 0.000 claims description 10
- 235000013869 carnauba wax Nutrition 0.000 claims description 10
- 238000007774 anilox coating Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 8
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000011354 acetal resin Substances 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- 239000010954 inorganic particle Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 7
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- 229920006324 polyoxymethylene Polymers 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- 239000002216 antistatic agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 229910052582 BN Inorganic materials 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920006284 nylon film Polymers 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920006290 polyethylene naphthalate film Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- MMINFSMURORWKH-UHFFFAOYSA-N 3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical compound O=C1OCCOC(=O)C2=CC=C1C=C2 MMINFSMURORWKH-UHFFFAOYSA-N 0.000 claims 1
- 238000010009 beating Methods 0.000 claims 1
- 239000010419 fine particle Substances 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 78
- 238000010023 transfer printing Methods 0.000 abstract description 14
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 47
- 238000005299 abrasion Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 16
- 239000002131 composite material Substances 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 241000283070 Equus zebra Species 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 235000012222 talc Nutrition 0.000 description 2
- SENMPMXZMGNQAG-UHFFFAOYSA-N 3,4-dihydro-2,5-benzodioxocine-1,6-dione Chemical compound O=C1OCCOC(=O)C2=CC=CC=C12 SENMPMXZMGNQAG-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001123 polycyclohexylenedimethylene terephthalate Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
The invention discloses an alcohol-resistant resin carbon tape and a preparation method thereof, and belongs to the technical field of heat transfer printing consumables. The alcohol-resistant resin carbon tape consists of a substrate, an ink layer coated on one side of the substrate and a back coating coated on the other side of the substrate; wherein the ink layer is composed of solvent, polyester resin, methacrylic resin, hydroxy acrylic resin, amino resin, acid catalyst, wax, inorganic pigment and solid particles. The invention also discloses a preparation method of the alcohol-resistant resin carbon tape, which comprises the steps of preparing ink liquid and back coating liquid, coating the ink liquid and the back coating liquid on two sides of a substrate, and drying to obtain the alcohol-resistant resin carbon tape. The resin carbon tape improves the performances of wear resistance and alcohol resistance, and solves the problem of tailing printing.
Description
Technical Field
The invention relates to the technical field of heat transfer printing consumables, in particular to an alcohol-resistant resin carbon tape and a preparation method thereof.
Background
Thermal transfer printing is a printing method in which a ribbon with a transferable pigment layer is heated by a thermal print head by a thermal transfer printer and the pigment layer is transferred to a substrate. Compared with wax-based color bands and mixed-based color bands, the resin color bands have the advantages of better printing quality, weather resistance and the like.
However, the existing thermal transfer resin ribbon is poor in alcohol resistance after transfer, and various layer structures such as a protective layer are required to be arranged in order to achieve good alcohol resistance, so that the process is complex and the cost is high.
In view of the above, there is a need for a new alcohol-resistant resin carbon tape and a method for preparing the same, which solve at least one of the above-mentioned problems.
Disclosure of Invention
The invention aims at providing an alcohol-resistant resin carbon tape. The hydroxyl acrylic resin and the amino resin are added into the ink layer, so that the wear resistance and alcohol resistance of the resin carbon tape can be remarkably improved.
The technical scheme for solving the technical problems is as follows: an alcohol-resistant resin carbon tape comprises a substrate, an ink layer and a back coating, wherein the ink layer and the back coating are respectively arranged on two opposite surfaces of the substrate;
the back coating is formed by coating a back coating liquid, wherein the back coating liquid is formed by mixing 3-7 parts of polyurethane modified organic silicon resin, 3-7 parts of acrylic acid modified organic silicon resin, 2-4 parts of polyvinyl acetal resin, 2-4 parts of polyvinyl butyral resin, 3-6 parts of inorganic particles, 1-3 parts of cross-linking agent, 1-3 parts of dispersing agent, 1-3 parts of antistatic agent and 1-3 parts of flatting agent into 180-220 parts of 2-butanone and/or toluene;
the ink layer is formed by coating ink liquid, wherein the ink liquid is prepared by mixing 20-60 parts of resin, 3-10 parts of wax, 5-15 parts of inorganic pigment and 0.05-2 parts of solid particles, and adding the mixture into 40-80 parts of 2-butanone and/or toluene;
the resin comprises the following raw materials in parts by weight: 40-80 parts of polyester resin, 2-20 parts of methacrylic resin, 2-10 parts of hydroxy acrylic resin, 3-10 parts of amino resin and 1-3 parts of acid catalyst.
The principle of the invention is explained:
in the invention, the back coating can prevent the resin carbon belt from being sticky or wrinkled due to the heating of the temperature-sensitive heating head during thermal transfer printing; the crosslinking agent promotes the reaction and crosslinking of the polyurethane modified organic silicon resin, the acrylic modified organic silicon resin, the polyvinyl acetal resin and the polyvinyl butyral resin; the dispersing agent is used for dispersing inorganic particles; the antistatic agent can reduce static accumulation of the back coating; the leveling agent is coated on the back coating layer, dried and formed into a film which is flat, smooth and uniform; the inorganic pigment provides any one or more than two of carbon black, titanium white, lithopone, lead chrome yellow and iron basket; the hydroxyl acrylic resin, the amino resin and the acid catalyst are added into the ink layer, so that the wear resistance and the alcohol resistance of the ink layer can be obviously improved, the ink layer has instantaneous curing performance under the high temperature effect of heat transfer printing, can be kept stable at low temperature, can control the amount of the low-temperature non-reactive curing resin, and is beneficial to ensuring the environmental stability of the carbon tape; the solid particles can remarkably improve the heat transfer printing capability of the carbon ribbon and the environmental stability of the carbon ribbon.
The beneficial effects of the invention are as follows: by adding thermosetting resins such as polyester resin, methacrylic resin, hydroxy acrylic resin, amino resin and the like which are not cured at low temperature and are cured at high temperature instantaneously into the ink layer, the resin of the ink layer is crosslinked in the transfer printing process, so that the strength and the hardness are greatly improved, the wear resistance and the solvent resistance are excellent, the carbon belt structure is simple, the manufacturing cost is low, and the process is simple; the alcohol-resistant resin carbon tape prepared by the invention improves the function of printing fine lines, effectively reduces the printing tailing, and has better wear resistance and alcohol resistance.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the substrate is any one of a polyethylene terephthalate film, a 1, 4-polycyclohexylene dimethylene terephthalate film, a polyethylene naphthalate film, a polyphenylene sulfide film, a polystyrene film, a polypropylene film, a polyethylene film, a polyvinyl chloride film, a nylon film, and a polyimide film.
The beneficial effects of adopting the further scheme are as follows: the adoption of the film as a substrate can better ensure that the ink layer and the back coating can be effectively coated on the surface of the substrate.
Further, the thickness of the substrate is 4-10 μm, the thickness of the ink layer is 0.3-1.2 μm, and the thickness of the back coating layer is 0.5-1.2 μm.
The beneficial effects of adopting the further scheme are as follows: the thickness of the resin carbon tape can be ensured to be low in the thickness range, and the transfer printing performance is good.
Further, the inorganic particles in the back coating are one or more of talcum, kaolin, calcium carbonate, aluminum hydroxide, silicon dioxide, graphite and boron nitride.
The beneficial effects of adopting the further scheme are as follows: the inorganic particles can improve the heat resistance of the carbon belt and improve the environmental stability of the carbon belt.
Further, the crosslinking agent in the back coating is isocyanate.
The beneficial effects of adopting the further scheme are as follows: the isocyanate can promote the crosslinking reaction of polyurethane modified organic silicon resin, acrylic acid modified organic silicon resin, polyvinyl acetal resin and polyvinyl butyral resin, and can improve the heat resistance of the back coating.
Further, the wax in the ink layer is one or more of PE wax, carnauba wax and EVA wax.
The beneficial effects of adopting the further scheme are as follows: the wax can be used for improving the smoothness and wear resistance of the rope ink layer, and is beneficial to improving the print definition of thermal transfer printing.
Further, the solid particles in the ink layer are one or more of silicon dioxide, zinc stearate and thermosetting acrylic resin particles.
The beneficial effects of adopting the further scheme are as follows: the solid particles can promote the transfer printing capability of the carbon belt, and ensure the environmental stability of the carbon belt.
Further, the molecular weight of the polyester resin in the ink layer is 3000-20000, the glass transition temperature of the polyester resin is 50-90 ℃, the molecular weight of the methacrylic resin is 10000-25000, the glass transition temperature of the methacrylic resin is 50-130 ℃, the hydroxyl value of the hydroxy acrylic resin is 20-150 mg/g, and the acid catalyst is a blocked sulfonic acid catalyst or a phosphate-based acid.
The beneficial effects of adopting the further scheme are as follows: the hydroxyl acrylic resin and polyester resin with high hydroxyl value can improve the adhesive force of transfer printing patterns and the adaptability of a base material, and the acid catalyst is added, so that the adhesive has instant curing performance at high temperature, can be kept stable at low temperature, can control the amount of resin which is not reacted and cured at low temperature, and ensures the environmental stability of the carbon tape.
The invention provides a preparation method of an alcohol-resistant resin carbon tape for achieving the second purpose.
The technical scheme for solving the technical problems is as follows: the preparation method of the alcohol-resistant resin carbon tape comprises the following steps:
s1, preparing liquid:
back coating liquid: adding 3-7 parts by mass of polyurethane modified organic silicon resin, 3-7 parts by mass of acrylic modified organic silicon resin, 2-4 parts by mass of polyvinyl acetal resin and 2-4 parts by mass of polyvinyl butyral resin into 180-220 parts by mass of 2-butanone and/or toluene, fully dissolving and mixing, adding 3-6 parts by mass of inorganic particles, 1-3 parts by mass of dispersing agent, 1-3 parts by mass of antistatic agent and 1-3 parts by mass of flatting agent, stirring and mixing, and finally adding 1-3 parts by mass of cross-linking agent to prepare back coating liquid for later use;
and (3) ink liquid: adding 20-60 parts by mass of resin, 3-10 parts by mass of wax, 5-15 parts by mass of inorganic pigment and 0.05-2 parts by mass of solid particles into 40-80 parts by mass of 2-butanone and/or toluene, fully dissolving and mixing to prepare ink liquid for later use;
s2, corona is performed:
providing a substrate, and striking corona on two opposite surfaces of the substrate;
s3, coating:
coating the back coating liquid prepared in the step S1 on one surface of the substrate in the step S2 by using a ceramic anilox roller, and drying to form a back coating after the back coating liquid is coated for later use; and (3) coating the ink liquid prepared in the step (S1) on the other surface of the substrate opposite to the back coating, and drying to form an ink layer after the ink liquid is coated, so as to obtain the alcohol-resistant resin carbon tape.
The beneficial effects of adopting above-mentioned scheme are: the preparation method can be used for preparing the wear-resistant and organic solvent-resistant carbon belt, and has the advantages of good wear resistance and alcohol resistance after thermal transfer printing, low manufacturing cost and simple and feasible process.
Further, in the step S3 coating, a back coating liquid is coated by adopting a gravure coater of a 200-250-line ceramic anilox roller, an ink liquid is coated by adopting a gravure coater of a 100-230-line ceramic anilox roller, and the coating speeds of the back coating liquid and the ink liquid are 60-100 m/min; the drying temperature of the back coating liquid and/or the ink liquid after coating is 60-100 ℃.
The beneficial effects of adopting above-mentioned scheme are: the ceramic anilox roller can better coat back coating liquid and printing ink liquid, and the solvent in the back coating liquid and the printing ink liquid can be better removed after drying at 60-100 ℃.
Drawings
FIG. 1 is a schematic diagram of the structure of a resin carbon tape for solvent and abrasion resistant label printing of the present invention;
FIG. 2 is a line drawing of a transfer print on matte silver paper in a fine line printing test according to the present invention;
FIG. 3 is a bar code image transferred on dumb silver paper in the print tailing test of the present invention;
fig. 4 is a bar code image transferred on dumb silver paper in the abrasion resistance test and alcohol resistance test of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1.2 parts of matrix, 2 parts of ink layer, 3 parts of back coating.
Detailed Description
The principles and features of the present invention are described below in connection with specific embodiments, which are provided for illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides an alcohol-resistant resin carbon tape, which comprises a substrate 1, an ink layer 2 and a back coating layer 3, wherein the ink layer 2 and the back coating layer 3 are respectively arranged on two opposite surfaces of the substrate 1;
wherein the substrate 1 is an ethylene glycol phthalate film;
the back coating layer 3 is formed by coating a back coating liquid, wherein the back coating liquid is formed by adding 5 parts of polyurethane modified organic silicon resin, 5 parts of acrylic acid modified organic silicon resin, 3 parts of polyvinyl acetal resin, 3 parts of polyvinyl butyral resin, 1 part of isocyanate, 2 parts of talcum, 1 part of aluminum hydroxide, 1 part of silicon dioxide, 2 parts of dispersing agent, 2 parts of antistatic agent and 2 parts of flatting agent into 100 parts of 2-butanone and 100 parts of toluene and mixing;
the ink layer 2 is formed by coating an ink solution, wherein the ink solution is prepared by adding 11 parts of polyester resin, 5 parts of methacrylic resin, 3 parts of hydroxy acrylic resin, 3 parts of amino resin, 1 part of acid catalyst, 1 part of carnauba wax, 2 parts of EVA wax, 10 parts of inorganic pigment and 0.2 part of solid particles into 32 parts of 2-butanone and 31.8 parts of toluene, and mixing.
Preparation of alcohol-resistant resin carbon tape:
corona is applied to the surfaces of both sides of the polyethylene terephthalate film;
taking materials according to the mass parts of the components of the back coating, and mixing to prepare back coating liquid;
coating back coating liquid on one side surface of a substrate by using a gravure coater of a ceramic anilox roller with 200-250 lines, and drying at 80 ℃ for later use;
taking materials according to the mass parts of the components of the ink layer, and mixing to prepare ink liquid;
coating the ink liquid on the other side surface of the substrate by using a gravure coater of a 100-230 line ceramic anilox roller, and drying at 80 ℃ to obtain the alcohol-resistant resin carbon tape.
The alcohol-resistant resin carbon tape prepared in this example was tested for its properties of fine print line, print tailing, abrasion resistance, alcohol resistance according to the following method:
and (3) testing printing fine lines:
the alcohol-resistant resin carbon tape produced in this example was transferred onto a matte paper using a label printer (Zebra corporation, model 105 SLPlus) with lines (0.3 pt thick) as shown in fig. 2; the printing speed was set at 15.2cm/s and the printing density was 25.
The formed image was visually confirmed, and evaluated by the following evaluation criteria:
a: no unprinted fine lines and fine dots are observed in the image;
b: some 3 or less unprinted thin lines and thin dots are observed in the image;
c: 3-20 or less unprinted thin lines and thin dots are observed in the image;
NG: more than 20 unprinted fine lines and fine dots were observed in the image.
Print tailing test:
the alcohol-resistant resin carbon tape prepared by this example was printed with a bar code (bar code perpendicular to the printing direction) as shown in fig. 3 on a dumb paper using a label printer (Zebra company, model 105 SLPlus); the printing speed was set at 12.7cm/s and the printing density was set at 20.
The formed image was visually confirmed and judged by a bar code checker (Quick Check 850 manufactured by Honeywell corporation), and evaluated by the following evaluation criteria:
a: no smear is observed in the image, and the judgment result based on the bar code inspector is a or B;
b: a small amount of tailing is observed in the image, and the judgment result based on the bar code inspector is C or D, but the actual use is not affected;
NG: the smear is serious, and the judgment result based on the bar code inspector is F or cannot be judged, so that the actual use is affected.
Abrasion resistance test:
the alcohol-resistant resin carbon tape prepared by this example was printed with a bar code (the bar code is parallel to the printing direction) as shown in fig. 4 on a dumb paper using a label printer (Zebra company, model 105 SLPlus); the printing speed was set at 15.2cm/s and the printing density was 25. After the bar code transfer printing is completed, the bar code is detected, then the bar code is loaded with a weight of 800g and wrapped with lining cloth, and the bar code is rubbed back and forth for 20 times.
The formed image was visually confirmed and evaluated by the following evaluation criteria:
a: no image is dropped at all;
b: a small amount of images fall off;
c: the image is largely dropped, but the degree is practically no problem;
NG: the image is obviously dropped, which is practically problematic.
Alcohol resistance test:
the alcohol-resistant resin carbon tape prepared by this example was printed with a bar code (the bar code is parallel to the printing direction) as shown in fig. 4 on a dumb paper using a label printer (Zebra company, model 105 SLPlus); the printing speed was set at 15.2cm/s and the printing density was 25. After the bar code transfer printing is completed, the bar code is detected first, then 200g of weight of the bar code is wrapped by cotton cloth infiltrated with 0.5mL of isopropanol, and the bar code is rubbed back and forth for 10 times.
The bar code was subjected to a grade judgment of the bar code before and after the alcohol resistance test by a bar code checker (Quick Check 850, manufactured by Honeywell corporation), and the grade change was recorded and evaluated by the following evaluation criteria:
a: based on the determination result of the bar code checker, no change is made;
b: the judging result based on the bar code checker is reduced by one level;
NG: the determination result based on the bar code inspector is reduced by two or more stages.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: a, A is as follows;
abrasion resistance test: b, a step of preparing a composite material;
alcohol resistance test: A.
example 2
The present example was different from example 1 in that the ink was obtained by adding 15 parts of polyester resin, 5 parts of methacrylic resin, 2 parts of hydroxyacrylic resin, 1 part of amino resin, 0.6 part of acid catalyst, 1 part of PE wax, 1 part of carnauba wax, 1 part of EVA wax, 10 parts of inorganic pigment and 0.4 part of solid particles to 33 parts of 2-butanone and 32 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: b, a step of preparing a composite material;
abrasion resistance test: a, A is as follows;
alcohol resistance test: A.
example 3
The present example was different from example 1 in that the ink was obtained by adding 13 parts of polyester resin, 3.9 parts of methacrylic resin, 3 parts of hydroxyacrylic resin, 2 parts of amino resin, 0.4 part of acid catalyst, 0.9 part of carnauba wax, 1 part of EVA wax, 8 parts of inorganic pigment and 0.3 part of solid particles to 33 parts of 2-butanone and 34.5 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: a, A is as follows;
abrasion resistance test: b, a step of preparing a composite material;
alcohol resistance test: A.
example 4
The present example was different from example 1 in that the ink was obtained by adding 13 parts of polyester resin, 4 parts of methacrylic resin, 3 parts of hydroxyacrylic resin, 3 parts of amino resin, 0.3 part of acid catalyst, 1 part of PE wax, 1 part of carnauba wax, 1 part of EVA wax, 8 parts of inorganic pigment and 0.2 part of solid particles to 31.5 parts of 2-butanone and 34 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: a, A is as follows;
abrasion resistance test: a, A is as follows;
alcohol resistance test: A.
example 5
The present example was different from example 1 in that the ink was obtained by adding 12 parts of polyester resin, 6 parts of methacrylic resin, 2 parts of hydroxyacrylic resin, 4 parts of amino resin, 0.2 part of acid catalyst, 2 parts of PE wax, 1 part of EVA wax, 8 parts of inorganic pigment and 0.1 part of solid particles to 33 parts of 2-butanone and 31.7 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: a, A is as follows;
abrasion resistance test: a, A is as follows;
alcohol resistance test: B.
example 6
The present example was different from example 1 in that the ink was obtained by adding 13 parts of polyester resin, 7 parts of methacrylic resin, 4 parts of hydroxyacrylic resin, 3 parts of amino resin, 0.4 part of acid catalyst, 2 parts of PE wax, 1 part of EVA wax, 9 parts of inorganic pigment and 0.2 part of solid particles to 30.4 parts of 2-butanone and 30 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: a, A is as follows;
abrasion resistance test: b, a step of preparing a composite material;
alcohol resistance test: A.
example 7
The present example was different from example 1 in that the ink was obtained by adding 12 parts of polyester resin, 3 parts of methacrylic resin, 4 parts of hydroxyacrylic resin, 3 parts of amino resin, 0.5 part of acid catalyst, 2 parts of carnauba wax, 1 part of EVA wax, 9 parts of inorganic pigment and 0.3 part of solid particles to 33 parts of 2-butanone and 32.2 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: b, a step of preparing a composite material;
printing tailing: a, A is as follows;
abrasion resistance test: a, A is as follows;
alcohol resistance test: A.
example 8
The present example was different from example 1 in that the ink was obtained by adding 14 parts of polyester resin, 2.5 parts of methacrylic resin, 3 parts of hydroxyacrylic resin, 4 parts of amino resin, 0.2 part of acid catalyst, 3 parts of PE wax, 7 parts of inorganic pigment and 0.3 part of solid particles to 33 parts of 2-butanone and 33 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: a, A is as follows;
printing tailing: a, A is as follows;
abrasion resistance test: a, A is as follows;
alcohol resistance test: A.
example 9
The present example was different from example 1 in that the ink was obtained by adding 10 parts of polyester resin, 3.9 parts of methacrylic resin, 5 parts of hydroxyacrylic resin, 4 parts of amino resin, 0.5 part of acid catalyst, 2 parts of PE wax, 1 part of carnauba wax, 7 parts of inorganic pigment and 0.3 part of solid particles to 34 parts of 2-butanone and 32.1 parts of toluene and mixing them.
The results of the test of the printing fine line, the printing tail, the wear resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in the embodiment are as follows:
printing fine lines: b, a step of preparing a composite material;
printing tailing: a, A is as follows;
abrasion resistance test: b, a step of preparing a composite material;
alcohol resistance test: B.
comparative example 1
The comparative example differs from example 1 in that the ink liquid was obtained by adding 13 parts of polyester resin, 4 parts of methacrylic resin, 3 parts of amino resin, 0.3 part of acid catalyst, 1 part of PE wax, 1 part of carnauba wax, 1 part of EVA wax, 8 parts of inorganic pigment and 0.2 part of solid particles to 34.5 parts of 2-butanone and 34 parts of toluene and mixing.
The results of the performance test of the printing fine line, the printing tail, the abrasion resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in this comparative example are as follows:
printing fine lines: b, a step of preparing a composite material;
printing tailing: b, a step of preparing a composite material;
abrasion resistance test: NG;
alcohol resistance test: C.
comparative example 2
The comparative example differs from example 1 in that the ink liquid was obtained by adding 12 parts of polyester resin, 9 parts of methacrylic resin, 2 parts of hydroxyacrylic resin, 0.2 part of acid catalyst, 2 parts of PE wax, 2 parts of EVA wax, 8 parts of inorganic pigment and 0.1 part of solid particles to 33 parts of 2-butanone and 31.7 parts of toluene and mixing.
The results of the performance test of the printing fine line, the printing tail, the abrasion resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in this comparative example are as follows:
printing fine lines: a, A is as follows;
printing tailing: b, a step of preparing a composite material;
abrasion resistance test: NG;
alcohol resistance test: and NG.
Comparative example 3
The comparative example differs from example 1 in that the ink liquid was obtained by adding 15 parts of polyester resin, 7 parts of methacrylic resin, 5 parts of amino resin, 0.4 part of acid catalyst, 2 parts of PE wax, 1 part of EVA wax, 9 parts of inorganic pigment and 0.2 part of solid particles to 30.4 parts of 2-butanone and 30 parts of toluene and mixing them.
The results of the performance test of the printing fine line, the printing tail, the abrasion resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in this comparative example are as follows:
printing fine lines: b, a step of preparing a composite material;
printing tailing: b, a step of preparing a composite material;
abrasion resistance test: NG;
alcohol resistance test: C.
comparative example 4
The comparative example differs from example 1 in that the ink liquid was obtained by adding 12 parts of polyester resin, 3 parts of methacrylic resin, 4 parts of hydroxyacrylic resin, 3 parts of amino resin, 2 parts of carnauba wax, 1 part of EVA wax, 9 parts of inorganic pigment and 0.3 part of solid particles to 33 parts of 2-butanone and 32.7 parts of toluene and mixing them.
The results of the performance test of the printing fine line, the printing tail, the abrasion resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in this comparative example are as follows:
printing fine lines: a, A is as follows;
printing tailing: b, a step of preparing a composite material;
abrasion resistance test: NG;
alcohol resistance test: and NG.
Comparative example 5
The comparative example differs from example 1 in that the ink liquid was obtained by adding 14 parts of polyester resin, 2.5 parts of methacrylic resin, 4 parts of amino resin, 3 parts of acid catalyst, 3 parts of PE wax, 7 parts of inorganic pigment and 0.5 part of solid particles to 33 parts of 2-butanone and 33 parts of toluene and mixing them.
The results of the performance test of the printing fine line, the printing tail, the abrasion resistance and the alcohol resistance of the alcohol-resistant resin carbon tape prepared in this comparative example are as follows:
printing fine lines: c, performing operation;
printing tailing: NG;
abrasion resistance test: NG;
alcohol resistance test: C.
experiments show that: the alcohol-resistant resin carbon tapes of examples 1-9 all have good abrasion resistance and alcohol resistance, and the prepared carbon tape can effectively prevent tailing and print fine lines through printing test analysis.
Comparison of comparative examples 1 to 5 with example 1 shows that the carbon tape prepared without the addition of the hydroxy acrylic resin, the amino resin and the acid catalyst has poor abrasion resistance and alcohol resistance, indicating that the addition of the hydroxy acrylic resin, the amino resin and the acid catalyst to the resin of the ink layer can significantly improve the abrasion resistance and alcohol resistance of the carbon tape.
In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The alcohol-resistant resin carbon tape is characterized by comprising a substrate (1), an ink layer (2) and a back coating (3), wherein the ink layer (2) and the back coating (3) are respectively arranged on two opposite surfaces of the substrate (1);
the back coating is formed by coating a back coating liquid, wherein the back coating liquid is formed by mixing 3-7 parts of polyurethane modified organic silicon resin, 3-7 parts of acrylic acid modified organic silicon resin, 2-4 parts of polyvinyl acetal resin, 2-4 parts of polyvinyl butyral resin, 3-6 parts of inorganic particles, 1-3 parts of cross-linking agent, 1-3 parts of dispersing agent, 1-3 parts of antistatic agent and 1-3 parts of flatting agent into 180-220 parts of 2-butanone and/or toluene;
the ink layer is formed by coating ink liquid, wherein the ink liquid is prepared by mixing 20-60 parts of resin, 3-10 parts of wax, 5-15 parts of inorganic pigment and 0.05-2 parts of solid particles, and adding the mixture into 40-80 parts of 2-butanone and/or toluene;
the resin in the ink liquid consists of the following raw materials in parts by mass: 40-80 parts of polyester resin, 2-20 parts of methacrylic resin, 2-10 parts of hydroxy acrylic resin, 3-10 parts of amino resin and 1-3 parts of acid catalyst;
the molecular weight of the polyester resin in the ink layer is 3000-20000, the glass transition temperature of the polyester resin is 50-90 ℃, the molecular weight of the methacrylic resin is 10000-25000, the glass transition temperature of the methacrylic resin is 50-130 ℃, the hydroxyl value of the hydroxy acrylic resin is 20-150 mg/g, and the acid catalyst is a blocked sulfonic acid catalyst or a phosphate acid.
2. The alcohol resistant resin carbon tape according to claim 1, wherein the substrate is any one of a polyethylene terephthalate film, a 1, 4-polycyclohexamethylene dimethylene terephthalate film, a polyethylene naphthalate film, a polyphenylene sulfide film, a polystyrene film, a polypropylene film, a polyethylene film, a polyvinyl chloride film, a nylon film, and a polyimide film.
3. The alcohol resistant resin carbon tape according to claim 1, wherein the thickness of the substrate is 4 to 10 μm, the thickness of the ink layer is 0.3 to 1.2 μm, and the thickness of the back coating layer is 0.5 to 1.2 μm.
4. The alcohol resistant resin carbon tape according to claim 1, wherein the inorganic fine particles in the back coating layer are any one or a mixture of two or more of talc, kaolin, calcium carbonate, aluminum hydroxide, silica, graphite and boron nitride.
5. The alcohol resistant resin carbon tape according to claim 1, wherein the crosslinking agent in the back coating is isocyanate.
6. The alcohol resistant resin carbon tape according to claim 1, wherein the wax in the ink layer is any one or a mixture of two or more of PE wax, carnauba wax and EVA wax.
7. The alcohol resistant resin carbon tape according to claim 1, wherein the solid particles in the ink layer are any one or a mixture of two or more of silica, zinc stearate and thermosetting acrylic resin particles.
8. A method for producing the alcohol-resistant resin carbon tape according to any one of claims 1 to 7, comprising the steps of:
s1, preparing liquid:
back coating liquid: adding 3-7 parts by mass of polyurethane modified organic silicon resin, 3-7 parts by mass of acrylic modified organic silicon resin, 2-4 parts by mass of polyvinyl acetal resin and 2-4 parts by mass of polyvinyl butyral resin into 180-220 parts by mass of 2-butanone and/or toluene, fully dissolving and mixing, adding 3-6 parts by mass of inorganic particles, 1-3 parts by mass of dispersing agent, 1-3 parts by mass of antistatic agent and 1-3 parts by mass of flatting agent, stirring and mixing, and finally adding 1-3 parts by mass of cross-linking agent to prepare back coating liquid for later use;
and (3) ink liquid: adding 20-60 parts by mass of resin, 3-10 parts by mass of wax, 5-15 parts by mass of inorganic pigment and 0.05-2 parts by mass of solid particles into 40-80 parts by mass of 2-butanone and/or toluene, fully dissolving and mixing to prepare ink liquid for later use;
s2, corona is performed:
providing a base material, and beating corona on two opposite surfaces of the base material;
s3, coating:
coating the back coating liquid prepared in the step S1 on one surface of the substrate in the step S2, and then drying to form a back coating for later use;
and (3) coating the ink liquid prepared in the step (S1) on the other surface of the substrate opposite to the back coating, and then drying to form an ink layer, thus obtaining the alcohol-resistant resin carbon tape.
9. The method for producing an alcohol-resistant resin carbon tape according to claim 8, wherein in step S3, a back coating liquid is coated by using a gravure coater of a 200 to 250 wire ceramic anilox roll, and an ink liquid is coated by using a gravure coater of a 100 to 230 wire ceramic anilox roll; the coating speed is 60-100 m/min; the temperature of the drying is 60-100 ℃.
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| CN115402020B (en) * | 2022-09-13 | 2023-12-15 | 湖南鼎一致远科技发展有限公司 | Thermal transfer resin carbon ribbon and preparation method thereof |
| CN115503368A (en) * | 2022-10-12 | 2022-12-23 | 湖南鼎一致远科技发展有限公司 | High-temperature and high-humidity resistant thermal transfer ribbon and preparation method thereof |
| CN115464998B (en) * | 2022-10-12 | 2024-05-14 | 湖南鼎一致远科技发展有限公司 | Thermal transfer printing carbon belt and preparation method thereof |
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