CN112549810A - Spraying and printing process of silica gel products - Google Patents
Spraying and printing process of silica gel products Download PDFInfo
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- CN112549810A CN112549810A CN202011371965.3A CN202011371965A CN112549810A CN 112549810 A CN112549810 A CN 112549810A CN 202011371965 A CN202011371965 A CN 202011371965A CN 112549810 A CN112549810 A CN 112549810A
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- 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
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
- B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
- B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
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- 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
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
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- 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
- B41M5/0023—Digital printing methods characterised by the inks used
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- 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
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- 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
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
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- 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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- 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
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a spraying and printing process of silica gel products, which comprises the steps of discharging, activating treatment, coating printing, pattern printing, baking and the like, wherein before the pattern printing, plasma activating treatment is firstly carried out on a silica gel base material to increase the viscosity of the surface of the silica gel base material so as to facilitate the printing and printing, then coating medium printing is carried out on the surface of the silica gel base material, the coating medium can increase the adhesive force of a pattern layer, and high-temperature color fixation is carried out after the pattern printing so as to ensure that ink forming the pattern is fully combined on the silica gel base material. The invention adopts an innovative machine printing mode and environment-friendly special silica gel ink, can automatically, quickly and accurately print the required pattern to the designated area of the silica gel substrate, simplifies the process flow, has convenient operation, high production efficiency, reduces the cost, is environment-friendly, has no pollution and high precision, solves the problems of complicated process of multicolor printing of silica gel and difficult point of printing and spraying of silica gel, and can ensure that the product is not easy to fade and the pattern is firm.
Description
Technical Field
The invention relates to the technical field of silica gel product processing, in particular to a spraying and printing process of silica gel products.
Background
At present, many products on the market can all be made by silica gel material, like cell-phone shell, swimming cap, watchband etc.. With the development of science and technology and the improvement of living standard, people's requirements for such products are not limited to quality and shape, and more, the personalization is pursued. Therefore, various personalized patterns are designed on the surface of such products. However, the preparation process of such products has the following disadvantages: 1. the coating and ink spraying treatment is carried out manually, the process is complicated, the efficiency is low, the plate-opening and sample-making cost is high, the labor cost is high, and the problem of environmental pollution exists; 2. easy fading, insecure pattern and short service life.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a spraying and printing process for silica gel products.
In order to achieve the purpose, the invention provides a spraying and printing process of a silica gel product, which comprises the following steps:
(1) discharging: placing a silica gel base material to be processed on a workbench of a silica gel spraying printer;
(2) activation treatment: carrying out plasma activation treatment on the surface of the silica gel substrate by using a plasma device on a silica gel spraying printer;
(3) printing a coating: printing a coating medium on the surface of the silica gel base material subjected to the plasma activation treatment by a coating nozzle on a silica gel spraying printer to enable the coating medium to cover the surface of the silica gel base material;
(4) pattern printing: printing special silica gel ink with corresponding color on the surface of the coating medium through an ink nozzle on a silica gel spraying printer, and solidifying the silica gel ink through a UV irradiation device on the silica gel spraying printer to obtain a silica gel semi-finished product with a specified pattern;
(5) baking: and (4) baking the semi-finished silica gel product subjected to pattern printing in an oven to realize high-temperature color fixation, thereby obtaining a processed silica gel product.
Preferably, the coating medium comprises the following components:
20 to 70 percent of modified acrylic resin;
30 to 80 percent of ketone solvent.
Preferably, the thickness of the coating medium is 5um to 15 um.
Preferably, the special silica gel ink comprises one of black ink, blue ink, yellow ink, red ink and white ink or a combination thereof.
Preferably, the black ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
5 to 10 percent of benzyl acrylate;
1% -5% of carbon black;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%;
1, 6-hexanediol diacrylate < 1%.
Preferably, the blue ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
5 to 10 percent of benzyl acrylate;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%;
1, 6-hexanediol diacrylate < 1%.
Preferably, the yellow ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
10-20% of benzyl acrylate;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%;
1, 6-hexanediol diacrylate < 1%.
Preferably, the red ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
10-20% of benzyl acrylate;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%.
Preferably, the white ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
5 to 10 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
10 to 20 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
10-20% of benzyl acrylate;
10 to 20 percent of titanium dioxide.
Preferably, in the step (5), the baking temperature of the oven is 110-150 ℃, and the baking time is 10-20 min.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts an innovative machine printing mode, can automatically, quickly and accurately print the required pattern to the designated area of the silica gel substrate, simplifies the process flow, is convenient to operate, has high production efficiency, reduces the labor cost and the production cost, is environment-friendly, has no pollution and high precision, and solves the problem of complicated process of multicolor printing of the silica gel.
2. According to the invention, before pattern printing, the silica gel substrate needs to be subjected to plasma activation treatment to increase the viscosity of the surface of the silica gel substrate so as to facilitate printing, then the surface of the silica gel substrate subjected to plasma activation treatment is subjected to coating medium printing, the coating medium can increase the adhesive force of a pattern layer, and high-temperature color fixation is carried out after pattern printing, so that ink forming a pattern is fully combined on the silica gel substrate.
3. The environment-friendly special silica gel ink is adopted, has the properties of high elasticity, stretch resistance, wear resistance and the like, and can meet the requirements of silica gel printing process properties such as fastness, stretch, abrasion resistance and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a layer structure diagram of a silica gel product according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a silica gel spray printer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a printer head according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the silicone product may include a silicone base material 100, a coating medium 200, and a pattern layer 300, wherein the coating medium 200 is located between the silicone base material 100 and the pattern layer 300.
As shown in fig. 2 and fig. 3, the silica gel spraying printer is shown in the figures, and comprises a rack 1, wherein a printing workbench 2 and an XYZ three-axis movement driving module 3 are arranged on the rack 1, a printer head 4 positioned above the printing workbench 2 is connected to a Z axis of the XYZ three-axis movement driving module 3, and the three-axis movement driving module 3 can drive the printer head 4 to move along an X axis, a Y axis or a Z axis.
The printer head 4 may include a head holder 41, a coating container 42 for storing a coating medium, an ink container 43 for storing ink, a coating nozzle 44 for printing the coating medium on the surface of the silica gel base material to be processed, and an ink nozzle 45 for printing the ink on the coating surface of the silica gel base material, the coating container 42, the ink container 43, the coating nozzle 44, and the ink nozzle 45 are respectively installed in the head holder 41, the coating nozzle 44 and the ink nozzle 45 are located at a lower end of the head holder 41, the coating container 42 is connected to the coating nozzle 44, and the ink container 43 is connected to the ink nozzle 45.
The side of the handpiece support 41 is also provided with a UV irradiation device 5 and a plasma device 6, and the plasma gun 6 is electrically connected with the plasma surface processor 7 through a connecting wire. Wherein the UV irradiation device 5 may be configured as a UV ultraviolet lamp and the plasma device 6 may be configured as a plasma gun, which may be connected to a plasma processor.
The plasma device 6 can perform plasma bombardment on the surface of the silica gel substrate, and can obviously enhance the viscosity of the surface of the silica gel substrate. The UV irradiation device 5 is capable of solidifying the ink printed onto the silicone base material.
During specific implementation, the coating nozzle 44, the ink nozzle 45, the UV irradiation device 5 and the plasma device 6 are all mounted on the machine head and driven by the XYZ three-axis movement driving module 3 to move synchronously, so that the improvement of the working efficiency is facilitated. The X-axis moving speed of the machine head is low: 338mm/s, medium speed: 592mm/s, high speed: 931mm/s, and the Y-axis moving speed is low: 0.5mm/s, medium speed 2mm/s, high speed: 5 mm/s.
The embodiment of the invention provides a spraying and printing process of a silica gel product, which comprises the following steps:
(1) discharging: placing a silica gel base material to be processed on a workbench of a silica gel spraying printer;
(2) activation treatment: carrying out plasma activation treatment on the surface of the silica gel substrate by using a plasma device on a silica gel spraying printer;
(3) printing a coating: printing a coating medium on the surface of the silica gel base material subjected to the plasma activation treatment by a coating nozzle on a silica gel spraying printer to enable the coating medium to cover the surface of the silica gel base material;
wherein the coating medium may comprise the following components: 20 to 70 percent of modified acrylic resin; 30 to 80 percent of ketone solvent. The thickness of the coating medium may be preferably set to 5um to 15 um.
(4) Pattern printing: printing special silica gel ink with corresponding color on the surface of the coating medium through an ink nozzle on a silica gel spraying printer, and solidifying the silica gel ink through a UV irradiation device on the silica gel spraying printer to obtain a silica gel semi-finished product with a specified pattern;
the special silica gel ink can comprise one of black ink, blue ink, yellow ink, red ink and white ink or a combination thereof.
Specifically, the black ink may include the following components: 10-20% of 4- (1-oxo-2-propenyl) morpholine; 10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate; 10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester; 10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone; 5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide; 5 to 10 percent of benzyl acrylate; 1% -5% of carbon black; 1 to 5 percent of dioctyl maleate; alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1% (e.g. 0.01% to 0.99%); 1, 6-hexanediol diacrylate < 1% (e.g. 0.01% to 0.99%).
The blue ink may include the following components: 10-20% of 4- (1-oxo-2-propenyl) morpholine; 10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate; 10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester; 10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone; 5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide; 5 to 10 percent of benzyl acrylate; 1 to 5 percent of dioctyl maleate; alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1% (e.g. 0.01% to 0.99%); 1, 6-hexanediol diacrylate < 1% (e.g. 0.01% to 0.99%).
The yellow ink may include the following components: 10-20% of 4- (1-oxo-2-propenyl) morpholine; 10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate; 10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester; 10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone; 5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide; 10-20% of benzyl acrylate; 1 to 5 percent of dioctyl maleate; alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1% (e.g. 0.01% to 0.99%); 1, 6-hexanediol diacrylate < 1% (e.g. 0.01% to 0.99%).
The red ink may include the following components: 10-20% of 4- (1-oxo-2-propenyl) morpholine; 10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate; 10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester; 10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone; 5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide; 10-20% of benzyl acrylate; 1 to 5 percent of dioctyl maleate; alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1% (e.g. 0.01% to 0.99%).
The white ink may include the following components: 10-20% of 4- (1-oxo-2-propenyl) morpholine; 5 to 10 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate; 10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester; 10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone; 10 to 20 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide; 10-20% of benzyl acrylate; 10 to 20 percent of titanium dioxide.
In the step (4), the white ink printing may be performed first, and then the color ink printing may be performed.
(5) Baking: and (4) baking the semi-finished silica gel product subjected to pattern printing in an oven to realize high-temperature color fixation, thereby obtaining a processed silica gel product.
The baking temperature of the oven can be preferably set to be 110-150 ℃, and the baking time can be preferably set to be 10-20 min.
The process of the invention has the following advantages:
1. the silica gel printing is realized like printing paper by adopting an innovative machine printing mode, the required patterns can be automatically, quickly and accurately printed on the designated area of the silica gel substrate, the process flow is simplified, the operation is convenient, the production efficiency is high, and the precision is high.
2. And the plasma activated silica gel surface process is adopted, so that the product is convenient to print.
3. Low open-form proofing cost, reduced labor cost and production cost, environmental protection and no pollution.
4. The problem of the complicated technology of the polychrome printing of silica gel is solved.
5. The problem of silica gel printing spraying is solved, the product is not easy to fade, the pattern is firm, and the service life is long.
6. The environment-friendly special silica gel ink is adopted, has the properties of high elasticity, stretch resistance, wear resistance and the like, and can meet the requirements of silica gel printing process properties such as fastness, stretch, hundred-lattice wear resistance and the like.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A spraying and printing process of silica gel products is characterized by comprising the following steps:
(1) discharging: placing a silica gel base material to be processed on a workbench of a silica gel spraying printer;
(2) activation treatment: carrying out plasma activation treatment on the surface of the silica gel substrate by using a plasma device on a silica gel spraying printer;
(3) printing a coating: printing a coating medium on the surface of the silica gel base material subjected to the plasma activation treatment by a coating nozzle on a silica gel spraying printer to enable the coating medium to cover the surface of the silica gel base material;
(4) pattern printing: printing special silica gel ink with corresponding color on the surface of the coating medium through an ink nozzle on a silica gel spraying printer, and solidifying the silica gel ink through a UV irradiation device on the silica gel spraying printer to obtain a silica gel semi-finished product with a specified pattern;
(5) baking: and (4) baking the semi-finished silica gel product subjected to pattern printing in an oven to realize high-temperature color fixation, thereby obtaining a processed silica gel product.
2. The spray printing process of a silicone product according to claim 1, wherein the coating medium comprises the following components:
20 to 70 percent of modified acrylic resin;
30 to 80 percent of ketone solvent.
3. The spray printing process of a silica gel product according to claim 1 or 2, wherein the thickness of the coating medium is 5um to 15 um.
4. The spray printing process of a silica gel product according to claim 1, wherein the special silica gel ink comprises one or a combination of black ink, blue ink, yellow ink, red ink and white ink.
5. The spray printing process of a silicone product according to claim 4, wherein the black ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
5 to 10 percent of benzyl acrylate;
1% -5% of carbon black;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%;
1, 6-hexanediol diacrylate < 1%.
6. The spray printing process of a silicone product according to claim 4, wherein the blue ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
5 to 10 percent of benzyl acrylate;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%;
1, 6-hexanediol diacrylate < 1%.
7. The spray printing process of a silicone product according to claim 4, wherein the yellow ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
10-20% of benzyl acrylate;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%;
1, 6-hexanediol diacrylate < 1%.
8. The spray printing process of a silicone product according to claim 4, wherein the red ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
10 to 20 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
5 to 10 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
10-20% of benzyl acrylate;
1 to 5 percent of dioctyl maleate;
alpha, alpha', alpha "-1,2, 3-tripropyltris [ omega- [ (1-oxo-2-propenyl) hydroxy ] -poly [ oxy (methyl-1, 2-ethylene) ] < 1%.
9. The spray printing process of a silicone product according to claim 4, wherein the white ink comprises the following components:
10-20% of 4- (1-oxo-2-propenyl) morpholine;
5 to 10 percent of exo-1, 7, 7-trimethylbicyclo [2.2.1] heptan-2-ol-2-acrylate;
10 to 20 percent of 2-acrylic acid-2- (2-ethoxy) ethyl ester;
10 to 20 percent of 1-vinyl hexahydro-2H-y-heptin-2-ketone;
10 to 20 percent of diphenyl (2,4, 6-trimethylbenzoyl) phosphine oxide;
10-20% of benzyl acrylate;
10 to 20 percent of titanium dioxide.
10. The spray printing process of a silica gel product according to claim 1, wherein in the step (5), the baking temperature of the oven is 110-150 ℃ and the baking time is 10-20 min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114163855A (en) * | 2021-12-20 | 2022-03-11 | 浙江商林科技股份有限公司 | UV and moisture dual-curing three-proofing paint and preparation method thereof |
| CN114347684A (en) * | 2022-01-14 | 2022-04-15 | 广州鸿越喷印技术有限公司 | Production method of direct-injection glue crystal label paper |
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| CN110202970A (en) * | 2019-06-18 | 2019-09-06 | 东莞市智美标识科技有限公司 | A method of spray printing is carried out using UV ink |
| CN111301019A (en) * | 2018-12-11 | 2020-06-19 | 广东欧克水墨有限公司 | Environment-friendly ink-water color printing packaging film and manufacturing method thereof |
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| US20020055552A1 (en) * | 1996-06-28 | 2002-05-09 | Stora Enso North America | Method for making a high solids interactive coating composition and ink jet recording medium |
| CN111301019A (en) * | 2018-12-11 | 2020-06-19 | 广东欧克水墨有限公司 | Environment-friendly ink-water color printing packaging film and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114163855A (en) * | 2021-12-20 | 2022-03-11 | 浙江商林科技股份有限公司 | UV and moisture dual-curing three-proofing paint and preparation method thereof |
| CN114347684A (en) * | 2022-01-14 | 2022-04-15 | 广州鸿越喷印技术有限公司 | Production method of direct-injection glue crystal label paper |
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