CN114149780A - UV pressure-sensitive adhesive capable of being sprayed and printed, spraying and printing method thereof and product - Google Patents
UV pressure-sensitive adhesive capable of being sprayed and printed, spraying and printing method thereof and product Download PDFInfo
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- CN114149780A CN114149780A CN202111349072.3A CN202111349072A CN114149780A CN 114149780 A CN114149780 A CN 114149780A CN 202111349072 A CN202111349072 A CN 202111349072A CN 114149780 A CN114149780 A CN 114149780A
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- sensitive adhesive
- monomer
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- acrylate
- spray
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 145
- 238000007639 printing Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 title abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 114
- 239000007921 spray Substances 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 238000010023 transfer printing Methods 0.000 claims abstract description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 17
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 11
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 11
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 6
- 230000009477 glass transition Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 36
- -1 alicyclic hydrocarbon Chemical class 0.000 claims description 34
- 239000004215 Carbon black (E152) Substances 0.000 claims description 24
- 229930195733 hydrocarbon Natural products 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 24
- 125000000217 alkyl group Chemical group 0.000 claims description 21
- 125000003342 alkenyl group Chemical group 0.000 claims description 18
- 238000001723 curing Methods 0.000 claims description 18
- 125000005017 substituted alkenyl group Chemical group 0.000 claims description 18
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 17
- 238000012546 transfer Methods 0.000 claims description 15
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 claims description 12
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002966 varnish Substances 0.000 claims description 10
- 125000000304 alkynyl group Chemical group 0.000 claims description 9
- 125000000623 heterocyclic group Chemical group 0.000 claims description 9
- 125000004426 substituted alkynyl group Chemical group 0.000 claims description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- MUTNCGKQJGXKEM-UHFFFAOYSA-N tamibarotene Chemical compound C=1C=C2C(C)(C)CCC(C)(C)C2=CC=1NC(=O)C1=CC=C(C(O)=O)C=C1 MUTNCGKQJGXKEM-UHFFFAOYSA-N 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 claims description 6
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 6
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 238000007641 inkjet printing Methods 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229920006267 polyester film Polymers 0.000 claims description 5
- 150000001408 amides Chemical class 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 239000004611 light stabiliser Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 claims description 3
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 claims description 3
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 3
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 125000006575 electron-withdrawing group Chemical group 0.000 claims description 3
- 125000004185 ester group Chemical group 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- FWWXYLGCHHIKNY-UHFFFAOYSA-N 2-ethoxyethyl prop-2-enoate Chemical compound CCOCCOC(=O)C=C FWWXYLGCHHIKNY-UHFFFAOYSA-N 0.000 claims description 2
- CUXGDKOCSSIRKK-UHFFFAOYSA-N 7-methyloctyl prop-2-enoate Chemical compound CC(C)CCCCCCOC(=O)C=C CUXGDKOCSSIRKK-UHFFFAOYSA-N 0.000 claims description 2
- LVGFPWDANALGOY-UHFFFAOYSA-N 8-methylnonyl prop-2-enoate Chemical compound CC(C)CCCCCCCOC(=O)C=C LVGFPWDANALGOY-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 2
- JRWNODXPDGNUPO-UHFFFAOYSA-N oxolane;prop-2-enoic acid Chemical compound C1CCOC1.OC(=O)C=C JRWNODXPDGNUPO-UHFFFAOYSA-N 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 238000012360 testing method Methods 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 239000003292 glue Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003848 UV Light-Curing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- UVRCNEIYXSRHNT-UHFFFAOYSA-N 3-ethylpent-2-enamide Chemical compound CCC(CC)=CC(N)=O UVRCNEIYXSRHNT-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- PNLUGRYDUHRLOF-UHFFFAOYSA-N n-ethenyl-n-methylacetamide Chemical compound C=CN(C)C(C)=O PNLUGRYDUHRLOF-UHFFFAOYSA-N 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 1
- LAIJAUHBAWLPCO-UHFFFAOYSA-N (4-tert-butylcyclohexyl) prop-2-enoate Chemical compound CC(C)(C)C1CCC(OC(=O)C=C)CC1 LAIJAUHBAWLPCO-UHFFFAOYSA-N 0.000 description 1
- WHNPOQXWAMXPTA-UHFFFAOYSA-N 3-methylbut-2-enamide Chemical compound CC(C)=CC(N)=O WHNPOQXWAMXPTA-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- GCTPMLUUWLLESL-UHFFFAOYSA-N benzyl prop-2-enoate Chemical compound C=CC(=O)OCC1=CC=CC=C1 GCTPMLUUWLLESL-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- RQAKESSLMFZVMC-UHFFFAOYSA-N n-ethenylacetamide Chemical compound CC(=O)NC=C RQAKESSLMFZVMC-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- WRAQQYDMVSCOTE-UHFFFAOYSA-N phenyl prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1 WRAQQYDMVSCOTE-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention provides a UV pressure-sensitive adhesive capable of being sprayed and printed, a spraying and printing method thereof and a product, wherein the product is prepared by the spraying and printing method, and the spraying and printing UV pressure-sensitive adhesive comprises, by weight, 5% -45% of a first monomer, 3% -25% of a second monomer, 5% -45% of a third monomer, 2% -25% of resin, 2% -12% of a photoinitiator and 0.05% -1% of an auxiliary agent; the first monomer is a cyclic monomer, the second monomer is a nitrogen-containing monomer, the glass transition temperature of the third monomer is lower than 10 ℃, the resin comprises at least one of acrylate, monofunctional urethane acrylate or difunctional urethane acrylate, by adopting the scheme, the prepared pressure-sensitive adhesive has viscosity, surface tension and the like suitable for spray printing, the printing smoothness and stability of the pressure-sensitive adhesive are ensured, the cohesion and the curing performance of the pressure-sensitive adhesive are improved, the adhesion and the retention of a corresponding curing film layer are improved, the phenomena of peeling, degumming, damage and the like of the pressure-sensitive adhesive after transfer printing are avoided, and the service life of a product is prolonged.
Description
Technical Field
The invention relates to the field of jet printing, in particular to a jet-printable UV pressure-sensitive adhesive, a jet printing method thereof and a product.
Background
The pressure-sensitive adhesive is an adhesive sensitive to pressure, can be adhered to an adhered object by providing light pressure without heat, a curing agent or other means when used, generates practical adhesive strength, and has the characteristics of high efficiency, energy conservation and environmental protection. It is because of the above-mentioned characteristics of pressure-sensitive adhesives that pressure-sensitive adhesive articles have a very wide range of uses. From working, packaging, to coating and etching; the pressure-sensitive adhesive can be used everywhere in life from electricians, electrical appliances to various mirrors and various pressure-sensitive labels. The pressure-sensitive adhesive and products thereof are made into various patterns, characters, Logo, marks and the like, and the pressure-sensitive adhesive is used as a product with personalized decoration or marking function on fabrics, leather, woodware, metal, ceramics, plastic products and film packaging materials, is deeply loved by consumers and has huge market prospect.
The UV pressure-sensitive adhesive is an environment-friendly adhesive which is developed and widely applied in recent years; the UV pressure-sensitive adhesive does not contain a solvent in the preparation and coating processes, and has the characteristic of '5E', namely, efficiency, wide adaptability, economic, Energy Saving and environmental friendliness, and has small environmental pollution, so the UV pressure-sensitive adhesive has a high-speed growth trend since the application of the UV pressure-sensitive adhesive is started in the 60 th 20 th century; and the UV light curing reaction is flexible and controllable, and the efficiency is very high, so that the UV light curing adhesive can meet the requirements of increasingly refined and environment-friendly chemical materials at present, and is one of the development directions of future adhesives. However, when the UV pressure-sensitive adhesive is used on a hard material or a curved object, the firmness is greatly reduced, and the adverse phenomena of peeling, degumming, damage and the like are easily generated, so that the use effect and the service life of the pressure-sensitive adhesive and the product thereof are directly influenced, and the quality and the grade of the product are further reduced.
The traditional coating method of the pressure-sensitive adhesive adopts a roll coating method and a curtain coating method, but the spray printing technology of the pressure-sensitive adhesive is not reported. With the development of the packaging printing market from batch to personalized and diversified printing, the variety and specification of the product become more and more complex. The advantages of the digital ink-jet printing technology in the pressure-sensitive adhesive products are gradually revealed, the characteristics of timely processing printing according to requirements, variable information printing and the like can be realized, and the digital ink-jet printing technology is complementary to the advantages of the manufacturing and supply modes of the pressure-sensitive adhesive products which are dominant in the current UV pressure-sensitive adhesive. The method for preparing the pressure-sensitive adhesive product by utilizing the ink-jet printing technology has the characteristics of high manufacturing speed, environmental friendliness, simple process, low cost and diversified functions. Ink-jet printing is a well-known technique that allows printing, marking or decorating all types of articles at high speed with information that can be modified at will, without any material constraints, even on non-planar supports, without the need for these articles to come into contact with printing equipment.
Disclosure of Invention
The first purpose of the invention is to provide the jet-printable UV pressure-sensitive adhesive which improves firmness and is suitable for a jet printing process of a printer.
The second purpose of the invention is to provide the spray printing method of the spray-printable UV pressure-sensitive adhesive.
It is a third object of the present invention to provide an article comprising the above-described spray printable UV pressure sensitive adhesive.
In order to achieve the first purpose, the UV pressure-sensitive adhesive capable of being sprayed and printed provided by the invention comprises, by weight, 5% -45% of a first monomer, 3% -25% of a second monomer, 5% -45% of a third monomer, 2% -25% of resin, 2% -12% of a photoinitiator and 0.05% -1% of an auxiliary agent; the first monomer is a cyclic monomer, the second monomer is a nitrogen-containing monomer, the glass transition temperature of the third monomer is lower than 10 ℃, and the resin can comprise at least one of acrylate, monofunctional urethane acrylate or difunctional urethane acrylate.
According to the scheme, the pressure-sensitive adhesive prepared by mixing the first monomer, the second monomer, the third monomer, the resin, the photoinitiator and the auxiliary agent in the proportion has viscosity, surface tension and the like suitable for jet printing, and the printing smoothness and stability of the pressure-sensitive adhesive are ensured, the first monomer is a ring-shaped monomer and is used for adjusting the viscosity of the UV pressure-sensitive adhesive and improving the cohesion of the pressure-sensitive adhesive, the adhesive force and the holding power of the corresponding curing film layer are improved, the phenomena of weak adhesive force, damage and the like after the pressure sensitive adhesive is transferred are avoided, the second monomer is a nitrogen-containing monomer, the nitrogen-containing monomer can improve the curing performance of the UV pressure sensitive adhesive during spray printing, the phenomena of wire drawing, displacement and the like caused by poor curing of the UV pressure sensitive adhesive are avoided, in addition, the nitrogen-containing monomer provides help for curing the surface and the inner layer of the pressure sensitive adhesive, thereby improving the adhesive force of various printing media, improving the adhesive property of the adhesive layer and improving the retention force; the third monomer is a low glass transition temperature monomer, the monomer can adjust the viscosity of the glue solution to meet the requirements of a spray printing process during production of pressure-sensitive adhesive products on one hand, and can also enhance the initial adhesion force, the peeling strength and the like of the pressure-sensitive adhesive on the other hand; the urethane acrylate molecules in the resin contain amino acyloxy groups, so that a strong hydrogen bond can be formed, the cohesion of the pressure-sensitive adhesive is enhanced, the adhesion and the peel strength of the pressure-sensitive adhesive can be improved, the acrylate resin is of a chain structure and does not contain unsaturated double bonds, the contraction risk of the pressure-sensitive adhesive after printing can be reduced, the adhesion of the pressure-sensitive adhesive can be improved, and the like, so that the pressure-sensitive adhesive is suitable for wider substrates.
The ring monomer can be at least one of alicyclic hydrocarbon monomer, aromatic ring monomer, oxygen-containing heterocyclic monomer and nitrogen-containing heterocyclic monomer, wherein the number of rings of the oxygen-containing heterocyclic monomer is 3-7; or/and the nitrogen-containing monomer can be at least one of an acrylamide monomer and an N-vinyl monomer; or/and the third monomer can be at least one of methyl acrylate, isooctyl acrylate, 2-hydroxypropyl acrylate, isobutyl acrylate, hydroxyethyl acrylate, hydroxypropyl acrylate, lauryl acrylate, isodecyl acrylate, isononyl acrylate, ethoxy ethyl acrylate and acrylate with 8-12 carbon numbers.
Therefore, the annular monomer has lower curing shrinkage rate, has better adhesiveness to a medium material, can better improve the adhesiveness and the cohesion of the pressure-sensitive adhesive, and has better adherence to a medium; the amide structure in the nitrogen-containing monomer has chemical properties similar to those of active tertiary amine, has higher UV light curing speed, can consume oxygen molecules during radiation curing, regenerate active free radicals and initiate polymerization, thereby reducing oxygen inhibition and better providing the curing performance of the pressure-sensitive adhesive.
In a further scheme, the alicyclic hydrocarbon can be acrylate or modified acrylate cyclic monomer; the oxygen-containing heterocyclic monomer can be at least one of cyclotrimethylolpropane formal acrylate (CTFA), tetrahydrofurfuryl acrylate (THFA) and alkoxylated tetrahydrofuran acrylate; the nitrogen-containing heterocyclic monomer can be at least one of N-vinyl pyrrolidone (NVP), N-vinyl caprolactam (NCP), acryloyl morpholine (ACMO) and N-vinyl caprolactam (NVC); the aromatic cyclic monomer has the following structure:
wherein R3 may be a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and R4 may be one of a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, and an electron withdrawing group comprising at least one of a carbon-carbon double bond, a carbonyl group, or an ester group.
The further scheme is that the modified acrylate cyclic monomer has the following structural formula:
wherein, R1 can be one of a hydrogen atom, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group and an unsubstituted alkenyl group, and R2 can be one of a substituted monocyclic alicyclic hydrocarbon, an unsubstituted monocyclic alicyclic hydrocarbon, a substituted bicyclic alicyclic hydrocarbon, an unsubstituted bicyclic alicyclic hydrocarbon, a substituted polycyclic alicyclic hydrocarbon and an unsubstituted polycyclic alicyclic hydrocarbon.
In a further embodiment, the acrylamide monomer has the following structural formula:
wherein R5 can be one of an alcohol, an ester, an amide, a substituted alkyl, an unsubstituted alkyl, a substituted alkenyl, an unsubstituted alkenyl, a substituted alkynyl, and an unsubstituted alkynyl; r6 can be one of a hydrogen atom, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, and an unsubstituted alkenyl group.
In a further aspect, the N-vinyl monomer has the following structural formula:
wherein R7 can be one of a hydrogen atom, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, a substituted alkynyl group, and an unsubstituted alkynyl group, and R8 can be one of a hydrogen, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, a substituted alkynyl group, and an unsubstituted alkynyl group, wherein R7 and R8 cannot both be hydrogen.
In a further scheme, the auxiliary agent comprises a leveling agent, a defoaming agent and a light stabilizer.
In order to achieve the second object, the jettable UV pressure sensitive adhesive is adopted in the jettable UV pressure sensitive adhesive jet printing method provided by the invention; the spray printing method comprises the following steps: sequentially carrying out a preparation step, a spray printing step and an ultraviolet curing step; the preparation steps are as follows: mixing a first monomer, a second monomer and a third monomer according to a ratio, adding resin after uniformly stirring, stirring at normal temperature until the resin is completely dissolved, then adding a photoinitiator and an auxiliary agent according to a ratio, continuously stirring uniformly, and filtering to obtain the UV pressure-sensitive adhesive capable of being jet-printed; the spray printing steps are specifically as follows: spraying and printing the UV pressure-sensitive adhesive which can be sprayed and printed and is obtained in the preparation step onto a release carrier by a UV printer in a spray printing mode of multiple sprayers and multiple pass, and then spraying and printing UV ink and UV gloss oil on the UV pressure-sensitive adhesive which can be sprayed and printed in sequence, wherein the UV ink covers the UV pressure-sensitive adhesive which can be sprayed and printed, and the UV gloss oil covers the UV ink; the ultraviolet light curing step and the spray printing step are carried out simultaneously, and the ultraviolet light fixing step specifically comprises the following steps: the UV pressure-sensitive adhesive that can spout the seal is cured to using ultraviolet ray, spouting seal UV ink and UV gloss oil, and the solidification is accomplished the back, covers the rendition membrane at UV gloss oil surface through the laminating machine, when the rendition, tears off the type carrier and can be with spouting seal UV pressure-sensitive adhesive rendition on the substrate.
Therefore, the UV ink, the UV gloss oil and the transfer printing film are sequentially covered on the UV pressure-sensitive adhesive capable of being sprayed and printed, the pattern formed by spraying and printing the UV ink is adhered to the base material by the pressure-sensitive adhesive, and the UV gloss oil covers the UV pressure-sensitive adhesive to protect the ink, so that the UV pressure-sensitive adhesive has the effects of scraping resistance and scratch resistance, and the surface looks brighter and more attractive;
the further scheme is that the UV ink comprises UV white ink and UV color ink, one material is correspondingly arranged in one sprayer, and the plurality of sprayers are respectively provided with UV pressure-sensitive adhesive, UV white ink, UV color ink and UV gloss oil which can be sprayed and printed.
The further scheme is that the release carrier can be a release polypropylene film or a polyester film or release paper coated with a release material, the transfer film is a transparent transfer film, and the peeling force of the transfer film is smaller than that of the UV pressure-sensitive adhesive.
Therefore, the release polypropylene film or the polyester film or the release paper coated with the release material is used as a release carrier, so that better separation can be realized, in addition, the pressure-sensitive adhesive composition contains a certain amount of acrylic monomers, and the release polypropylene film or the polyester film or the release paper coated with the release material can prevent the monomers from volatilizing; the transparent transfer printing film with the viscosity smaller than that of the UV pressure-sensitive adhesive has the two-sided effect, on one hand, the transfer printing with the viscosity is convenient for the transfer printing operation of the pressure-sensitive adhesive product, the viscosity of the transfer printing film is lower than that of the pressure-sensitive adhesive, and the completeness of the pattern after the subsequent pressure-sensitive adhesive product is pasted can be ensured; on the other hand, the transparent transfer printing film can visually and clearly see the product with perfect jet printing, so that consumers can visually see the quality and the real appearance of the product.
To achieve the third objective, the present invention provides an article comprising a substrate, a printable UV pressure sensitive adhesive layer, a UV ink layer, a UV varnish and a transfer film, wherein the printable UV pressure sensitive adhesive layer covers the substrate, the printable UV pressure sensitive adhesive layer comprises the above printable UV pressure sensitive adhesive, the UV ink layer covers the printable UV pressure sensitive adhesive layer, the UV ink layer comprises a UV ink, the UV varnish layer covers the UV ink layer, the UV varnish layer comprises a UV varnish, and the transfer film covers the UV varnish layer.
Drawings
Fig. 1 is a graph comparing the adhesion of the spray printable UV pressure sensitive adhesive of example 1 of the present invention and the adhesion of the comparative example 1 of the present invention in the spray effect test, wherein the adhesion of example 1 of the present invention is shown on the left and the adhesion of comparative example 1 of the present invention is shown on the right.
Fig. 2 is a graph comparing the adhesion of the spray printable UV pressure sensitive adhesive of example 2 of the present invention and comparative example 2 in the spray effect test, wherein the adhesion of example 2 of the present invention is shown on the left and comparative example 2 of the present invention is shown on the right.
Fig. 3 is a graph comparing the adhesion of the spray printable UV pressure sensitive adhesive of example 3 of the present invention and comparative example 3 in the spray effect test, wherein the adhesion of example 3 of the present invention is shown on the left and comparative example 3 of the present invention is shown on the right.
Fig. 4 is a graph of the adhesion effect of the jet printable UV pressure sensitive adhesive of example 4 of the present invention in the jet printing effect test.
Fig. 5 is a graph of the adhesion effect of the jet printable UV pressure sensitive adhesive of example 5 of the present invention in the jet printing effect test.
Fig. 6 is a graph of the adhesion effect of the inventive jet printable UV pressure sensitive adhesive of example 3 in the jet printing effect test.
Detailed Description
The UV pressure-sensitive adhesive capable of being jet-printed is applied to a jet-printing process of a printer, the UV pressure-sensitive adhesive capable of being jet-printed is sprayed onto a release carrier through the printer, UV ink and UV gloss oil are sequentially jet-printed, a transfer film is covered, after the release carrier is peeled off during transfer printing, a pressure-sensitive adhesive product is put onto a base material, the base material can be any object, wherein the transfer surface of the base material can be a hard surface, a plane, a curved surface and the like, the viscosity of the UV pressure-sensitive adhesive capable of being jet-printed is adjusted through a first monomer, the cohesion of the pressure-sensitive adhesive is improved, the adhesion and the holding power of a curing film layer are improved, the curing performance during jet printing is improved through a second monomer, the viscosity of the adhesive solution is improved through a third monomer, the adhesion of the UV pressure-sensitive adhesive is improved through resin, the obtained pressure-sensitive adhesive has lower viscosity, and a high-performance pressure-sensitive adhesive product is prepared under the irradiation of ultraviolet light after being coated on the base material through the jet-printing process, so that the UV pressure-sensitive adhesive product has the advantages of being large in peel strength, wide application medium and the like, is particularly suitable for the personalized manufacture of the crystal mark.
The UV pressure-sensitive adhesive capable of being sprayed and printed comprises, by weight, 5% -45% of a first monomer, 3% -25% of a second monomer, 5% -45% of a third monomer, 2% -25% of resin, 2% -15% of a photoinitiator and 0.05% -3% of an auxiliary agent.
The first monomer is a cyclic monomer, and preferably, the cyclic monomer can be at least one of alicyclic hydrocarbon monomers, aromatic cyclic monomers, oxygen-containing heterocyclic monomers and nitrogen-containing heterocyclic monomers, wherein the number of rings of the oxygen-containing heterocyclic monomers is 3-7.
Further optimally, the alicyclic hydrocarbon can be acrylate or (modified) acrylate cyclic monomer; the (modified) acrylate cyclic monomer has the following structural formula:
wherein, R1 can be one of hydrogen atom, substituted alkyl, unsubstituted alkyl, substituted alkenyl and unsubstituted alkenyl, R2 can be one of substituted monocyclic alicyclic hydrocarbon, unsubstituted monocyclic alicyclic hydrocarbon, substituted bicyclic alicyclic hydrocarbon, unsubstituted bicyclic alicyclic hydrocarbon, substituted polycyclic alicyclic hydrocarbon and unsubstituted polycyclic alicyclic hydrocarbon, and more preferably, the (modified) acrylate cyclic monomer can be at least one of 4-tert-butylcyclohexyl acrylate, dicyclopentenyl (ethoxylated) acrylate, iso-glacial acrylate, dicyclopentadienyl acrylate and isobornyl acrylate.
The oxygen-containing heterocyclic monomer may be at least one of Cyclic Trimethylolpropane Formal Acrylate (CTFA), tetrahydrofurfuryl acrylate (THFA), and alkoxylated tetrahydrofurfuryl acrylate.
The nitrogen-containing heterocyclic monomer can be at least one of N-vinyl pyrrolidone (NVP), N-vinyl caprolactam (NCP), acryloyl morpholine (ACMO) and N-vinyl caprolactam (NVC). The aromatic cyclic monomer has the following structure:
wherein R3 can be a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, R4 can be one of a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, and an electron withdrawing group comprising at least one of a carbon-carbon double bond, a carbonyl group, or an ester group; the aromatic cyclic monomer is at least one of benzyl acrylate, 2-phenoxyethyl (meth) acrylate, alkoxylated penta-phenol acrylate, and alkoxylated phenol acrylate.
The second monomer is a nitrogen-containing monomer, and the nitrogen-containing monomer can be at least one of an acrylamide monomer and an N-vinyl monomer.
Preferably, the acrylamide monomer has the following structural formula:
wherein R5 can be one of an alcohol, an ester, an amide, a substituted alkyl, an unsubstituted alkyl, a substituted alkenyl, an unsubstituted alkenyl, a substituted alkynyl, and an unsubstituted alkynyl; r6 can be one of a hydrogen atom, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group; more preferably, the acrylamide monomer is at least one of N, N-dimethylacrylamide, diethylacrylamide, dimethylacrylamide and diethylacrylamide.
The N-vinyl monomer has the following structural formula:
wherein R7 can be one of hydrogen, unsubstituted alkyl, substituted alkenyl, unsubstituted alkenyl, substituted alkynyl, and unsubstituted alkynyl, R8 can be one of hydrogen, unsubstituted alkyl, substituted alkenyl, unsubstituted alkenyl, substituted alkynyl, and unsubstituted alkynyl, wherein R7 and R8 cannot both be hydrogen atoms; more preferably, the N-vinyl monomer may be at least one of N-vinyl-N-methylacetamide, N-methyl-N-vinylacetamide, and N-vinylacetamide.
The glass transition temperature of the third monomer is less than 10 ℃, wherein the glass transition temperature is less than 10 ℃ when the monomer is prepared into a homopolymer, and the third monomer can be at least one of methyl acrylate (MA, 9 ℃), isooctyl acrylate (2-EHA, -70 ℃), 2-hydroxypropyl acrylate (2-HPA, -7 ℃), isobutyl acrylate (i-BA, -4 ℃), hydroxyethyl acrylate (HEA, -15 ℃), hydroxypropyl acrylate (HPA, -7 ℃), and lauryl alcohol acrylate (LA, -30 ℃).
The resin may comprise at least one of acrylate, monofunctional urethane acrylate or difunctional urethane acrylate, and optimally, the resin may be a monofunctional urethane acrylate resin GENOMER from Rahn*1122。
The photoinitiator may be TPO (2,4, 6-trimethylbenzoyl-diphenylphosphine oxide).
The auxiliary agent comprises a leveling agent, a defoaming agent and a light stabilizer; wherein BYK 333 from Bike Germany is used as leveling agent, BYK-019 is used as defoaming agent, and GENORAD series from RAHN in Switzerland is used as light stabilizer.
The UV pressure-sensitive adhesive capable of being sprayed and printed is prepared by the following spraying and printing method; the spray printing method comprises the following steps: sequentially carrying out a preparation step, a spray printing step and an ultraviolet curing step; the preparation steps are as follows: mixing a first monomer, a second monomer and a third monomer according to a ratio, adding resin after uniformly stirring, stirring at normal temperature until the resin is completely dissolved, wherein the stirring speed is 500-3000 r/min, then adding a photoinitiator and an auxiliary agent according to a ratio, continuously stirring uniformly, and filtering by a filter membrane or a filter element to obtain the UV pressure-sensitive adhesive capable of being spray printed; the spray printing steps are specifically as follows: adopting a spray printing mode of four spray heads and multiple pass, wherein one spray head is respectively and correspondingly provided with a material, the UV ink comprises UV white ink and UC color ink, the four spray heads are respectively provided with spray printable UV pressure sensitive adhesive, UV white ink, UV color ink and UV gloss oil, the spray printable UV pressure sensitive adhesive obtained in the preparation step is spray printed on a release carrier through a UV printer, the release carrier can be a release polypropylene film or polyester film release paper or release paper coated with a release material, then the spray printable UV pressure sensitive adhesive is sequentially spray printed with UV ink and UV gloss oil, the UV ink covers the spray printable UV pressure sensitive adhesive, and the UV gloss oil covers the UV ink; the ultraviolet light curing step and the spray printing step are carried out simultaneously, and the ultraviolet light fixing step specifically comprises the following steps: the UV pressure-sensitive adhesive, the UV ink and the UV gloss oil are solidified by using ultraviolet light, after the solidification is finished, a transfer printing film is covered on the surface of the UV gloss oil through a film laminating machine, the release carrier is torn off during transfer printing, the UV pressure-sensitive adhesive can be transferred and printed on a base material, the transfer printing film is a transparent transfer printing film, and the peeling force of the transfer printing film is the peeling force of the UV pressure-sensitive adhesive; the wavelength of the outdoor ultraviolet light is 200 nm-405 nm, and in the ultraviolet light curing step, suitable light sources can be mercury lamps, iron lamps, halogen lamps, LED lamps and the like, and the preferred lamp is an LED lamp with 365 nm-405 nm.
The product is prepared by the spray printing method and comprises a base material, a spray-printable UV pressure-sensitive adhesive layer, a UV ink layer, UV gloss oil and a transfer printing film, wherein the spray-printable UV pressure-sensitive adhesive layer covers the base material, the spray-printable UV pressure-sensitive adhesive layer comprises the spray-printable UV pressure-sensitive adhesive, the UV ink layer covers the spray-printable UV pressure-sensitive adhesive layer, the UV ink layer comprises UV ink, the UV gloss oil layer covers the UV ink layer, the UV gloss oil layer comprises the UV gloss oil, and the transfer printing film covers the UV gloss oil layer; the substrate can be any object, including a hard surface, a flat surface, a curved surface, and the like.
The present invention is described in detail below with reference to examples, and the description in this section is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
The specific components and their proportions for examples 1 to 6 and comparative examples 1 to 3 are shown in table 1. Among them, examples 1 to 6 were prepared in the same manner, and comparative examples 1 to 3 were prepared in the same manner as example 1, respectively, except that: the mass contents of the monomers or resins used in the preparation process are different; the second monomer was not used as in comparative example 1, and the amount of the first monomer added exceeded the upper limit of the prescribed range of the foregoing formulation, in contrast to example 1; the amount of the third monomer added in comparative example 2 exceeds the upper limit of the prescribed range of the foregoing formulation, in comparison with example 2; comparative example 3, in which no second monomer was used, was compared with example 3.
Table 1 spray printable UV pressure sensitive adhesive compositions and their ratio details table:
the pressure-sensitive adhesives prepared in the above examples 1 to 6 and comparative examples 1 to 3 were subjected to a spray printing effect test and a sticking performance test of a pressure-sensitive adhesive product, specifically:
the method for testing the spray printing effect of the pressure-sensitive adhesive comprises the following steps: the obtained pressure-sensitive adhesive is sprayed and printed on a release polypropylene film by a UV coil printer of an EpsonI3200-U1 spray head, the length of the adhesive layer is controlled to be 0.5-25 m, and the thickness is controlled to be 2-30 μm; and then spraying and printing UV ink and UV gloss oil on the pressure-sensitive adhesive in sequence, covering a transfer film after irradiating for 100s under an LED ultraviolet lamp, and tearing off the release paper at the bottom to adhere the pressure-sensitive adhesive product to different base materials. Observing whether the pattern transfer printing is complete, observing whether the product has a glue seepage phenomenon after being transferred on the base material by using a magnifying lens, then rubbing and pushing the pressure-sensitive adhesive product, and observing whether the pressure-sensitive adhesive product has glue migration by naked eyes; if the boundary is clear and has no glue leakage, no glue moving trace exists after pushing, which indicates that the UV pressure-sensitive adhesive product capable of being spray-printed has higher quality and good product firmness.
The sticking performance test of the pressure-sensitive adhesive product specifically comprises the following steps: initial viscosity test method GB/T4852-2002 of pressure-sensitive adhesive; test method GB/T2792-2014 for 180-degree peel strength of pressure-sensitive adhesive; pressure sensitive adhesive tack test method GB/T4851-2014. Each sample required three tests to eliminate errors during the test.
The results of the pressure-sensitive adhesive performance tests in examples 1 to 6 and comparative examples 1 to 3 are shown in table 2 below.
Table 2 results of various tests of the spray printable UV pressure sensitive adhesive articles:
referring to fig. 1 to 6 and table 2, the pressure-sensitive adhesive products obtained in the examples can be completely transferred to various media, and the jet printing quality is high, while the three comparative examples are difficult to transfer to the corresponding media, and the phenomena of glue bleeding and glue migration respectively occur. In summary, the pressure-sensitive adhesive products obtained in examples 1 to 6 are suitable for a wide range of material media such as flat surfaces, curved surfaces, hard surfaces, etc., and have good adhesion performance.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (11)
1. Can spout seal UV pressure-sensitive adhesive, its characterized in that: comprises 5 to 45 weight percent of first monomer, 3 to 25 weight percent of second monomer, 5 to 45 weight percent of third monomer, 2 to 25 weight percent of resin, 2 to 12 weight percent of photoinitiator and 0.05 to 1 weight percent of auxiliary agent;
the first monomer is a cyclic monomer, the second monomer is a nitrogen-containing monomer, the glass transition temperature of the third monomer is lower than 10 ℃, and the resin can comprise at least one of acrylate, monofunctional urethane acrylate or difunctional urethane acrylate.
2. The jettable UV pressure sensitive adhesive according to claim 1, wherein:
the ring-shaped monomer can be at least one of alicyclic hydrocarbon monomer, aromatic ring-shaped monomer, oxygen-containing heterocyclic monomer and nitrogen-containing heterocyclic monomer, wherein the number of rings of the oxygen-containing heterocyclic monomer is 3-7;
or/and the nitrogen-containing monomer can be at least one of an acrylamide monomer and an N-vinyl monomer;
or/and the third monomer can be at least one of methyl acrylate, isooctyl acrylate, 2-hydroxypropyl acrylate, isobutyl acrylate, hydroxyethyl acrylate, hydroxypropyl acrylate, lauryl alcohol acrylate, isodecyl acrylate, isononyl acrylate, ethoxy ethyl acrylate and acrylate with 8-12 carbon numbers.
3. The jettable UV pressure sensitive adhesive according to claim 2, wherein:
the alicyclic hydrocarbon can be acrylate or modified acrylate cyclic monomer;
the oxygen-containing heterocyclic monomer can be at least one of cyclotrimethylolpropane formal acrylate (CTFA), tetrahydrofurfuryl acrylate (THFA) and alkoxylated tetrahydrofuran acrylate;
the nitrogen-containing heterocyclic monomer can be at least one of N-vinyl pyrrolidone (NVP), N-vinyl caprolactam (NCP), acryloyl morpholine (ACMO) and N-vinyl caprolactam (NVC);
the aromatic cyclic monomer has the following structure:
wherein R3 may be a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and R4 may be one of a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, and an electron withdrawing group comprising at least one of a carbon-carbon double bond, a carbonyl group, or an ester group.
4. The jettable UV pressure sensitive adhesive according to claim 3, wherein:
the modified acrylate cyclic monomer has the following structural formula:
wherein, R1 can be one of a hydrogen atom, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group and an unsubstituted alkenyl group, and R2 can be one of a substituted monocyclic alicyclic hydrocarbon, an unsubstituted monocyclic alicyclic hydrocarbon, a substituted bicyclic alicyclic hydrocarbon, an unsubstituted bicyclic alicyclic hydrocarbon, a substituted polycyclic alicyclic hydrocarbon and an unsubstituted polycyclic alicyclic hydrocarbon.
5. The jettable UV pressure sensitive adhesive according to claim 2, wherein:
the acrylamide monomer has the following structural formula:
wherein R5 can be one of an alcohol, an ester, an amide, a substituted alkyl, an unsubstituted alkyl, a substituted alkenyl, an unsubstituted alkenyl, a substituted alkynyl, and an unsubstituted alkynyl; r6 can be one of a hydrogen atom, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, and an unsubstituted alkenyl group.
6. The jettable UV pressure sensitive adhesive according to claim 2, wherein:
the N-vinyl monomer has the following structural formula:
wherein R7 may be one of a hydrogen atom, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, a substituted alkynyl group and an unsubstituted alkynyl group, and R8 may be one of a hydrogen atom, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, a substituted alkynyl group and an unsubstituted alkynyl group, wherein R7 and R8 may not both be hydrogen atoms.
7. The jettable UV pressure sensitive adhesive according to claim 1, wherein:
the auxiliary agent comprises a leveling agent, a defoaming agent and a light stabilizer.
8. The UV pressure-sensitive adhesive jet printing method capable of jet printing is characterized in that: the jet-printable UV pressure-sensitive adhesive is the jet-printable UV pressure-sensitive adhesive of any one of claims 1 to 7; the spray printing method comprises the following steps: sequentially carrying out a preparation step, a spray printing step and an ultraviolet curing step;
the preparation steps are specifically as follows: mixing the first monomer, the second monomer and the third monomer in proportion, adding the resin after uniformly stirring, stirring at normal temperature until the resin is completely dissolved, then adding the photoinitiator and the auxiliary agent in proportion, continuously stirring uniformly, and filtering to obtain the UV pressure-sensitive adhesive capable of being jet-printed;
the spray printing step specifically comprises the following steps: spray-printing the spray-printable UV pressure-sensitive adhesive obtained in the preparation step onto a release carrier by using a UV printer in a spray-printing mode of multiple spray heads and multiple pass, and then sequentially spray-printing UV ink and UV gloss oil on the spray-printable UV pressure-sensitive adhesive, wherein the UV ink covers the spray-printable UV pressure-sensitive adhesive, and the UV gloss oil covers the UV ink;
the ultraviolet light curing step and the spray printing step are carried out simultaneously, and the ultraviolet light fixing step specifically comprises the following steps: and (3) curing the spray-printable UV pressure-sensitive adhesive, the spray-printable UV ink and the UV gloss oil by using ultraviolet light, covering the transfer printing film on the surface of the UV gloss oil by using a film laminating machine after the curing is finished, and tearing off the release carrier during transfer printing to transfer the spray-printable UV pressure-sensitive adhesive onto the base material.
9. The inkjet printable UV pressure sensitive adhesive inkjet printing method according to claim 8, characterized in that:
the UV ink comprises UV white ink and UV color ink, one material is correspondingly configured in each sprayer, and the plurality of sprayers are respectively configured with the UV pressure-sensitive adhesive capable of being sprayed and printed, the UV white ink, the UV color ink and the UV gloss oil.
10. The inkjet printable UV pressure sensitive adhesive inkjet printing method according to claim 8, characterized in that:
the release carrier can be a release polypropylene film, a polyester film release film or release paper coated with a release material, the transfer film is a transparent transfer film, and the peeling force of the transfer film is smaller than that of the UV pressure-sensitive adhesive.
11. An article characterized by: the article includes a substrate, a jet printable UV pressure sensitive adhesive layer, a UV ink layer, a UV varnish and a transfer film, the jet printable UV pressure sensitive adhesive layer covers on the substrate, the jet printable UV pressure sensitive adhesive layer includes the jet printable UV pressure sensitive adhesive of any one of claims 1 to 7, the UV ink layer covers the jet printable UV pressure sensitive adhesive layer, the UV ink layer includes a UV ink, the UV varnish layer covers on the UV ink layer, the UV varnish layer includes a UV varnish, the transfer film covers on the UV varnish layer.
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Application publication date: 20220308 |