CN109693460A - A kind of environmental protection digital printing process - Google Patents
A kind of environmental protection digital printing process Download PDFInfo
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- CN109693460A CN109693460A CN201811416506.5A CN201811416506A CN109693460A CN 109693460 A CN109693460 A CN 109693460A CN 201811416506 A CN201811416506 A CN 201811416506A CN 109693460 A CN109693460 A CN 109693460A
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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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
-
- 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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/18—Homopolymers or copolymers of nitriles
- C08J2433/20—Homopolymers or copolymers of acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of environmentally friendly digital printing process, is related to printing technology.The following steps are included: ink preparation, protection film preparation, digital printing, curing and drying, coating processing.The present invention overcomes the deficiencies in the prior art; effectively prevent benzene content in solvent it is excessively high and caused by problem of environmental pollution; and improve the viscosity of ink; enhance its adhesive force; by carrying out overlay film to printing element, the waterproof performance of printing element is effectively increased, prevents printing element from making moist; the abrasion of ink is reduced, protecting effect is good.
Description
Technical field
The present invention relates to printing technologies, and in particular to a kind of environmental protection digital printing process.
Background technique
Digital printing, which is directly passed through graph text information in network transmission to digital printer using pre-print system, prints
A kind of novel printing technology.Digital printing system mainly by pre-print system and digital printing machine at.Some systems are also mixed
Bookbinding and cutting apparatus.Working principle: operator is by the digital information of original copy (picture and text digital information) or Digital Media or from net
Received network digital file is output to computer in network system, carries out intention on computers, and modification, layout are full as client
The digital information of meaning, is handled through RIP, is become corresponding monochromatic pixel digital signals and is reached laser controller, launches corresponding
Laser beam, printing cylinder is scanned.The printing cylinder made of photosensitive material (no printing plate) is formed after photosensitive can be with
The picture and text of absorption ink or ink powder are then transferred on the stocks such as paper.
Current digital printing process contains the hazardous solvents such as a large amount of toluene, benzene in ink usually using ink containing benzene,
It not only pollutes the environment, is also harmful to the human body.The ink viscosity of digital printing process is lower at present simultaneously, easy and printing element
It is mutually disengaged, and is easy that abrasion occurs under the influence of the external world or scratches, the effect of printing is poor, brings to staff larger
Trouble.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of environmentally friendly digital printing process, the present invention overcomes the prior arts
Deficiency, effectively prevent benzene content in solvent it is excessively high and caused by problem of environmental pollution, and improve the viscosity of ink, increase
Its strong adhesive force effectively increases the waterproof performance of printing element by carrying out overlay film to printing element, prevent printing element by
Tide, reduces the abrasion of ink, and protecting effect is good.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of environmental protection digital printing process, comprising the following steps:
(1) prepared by ink: polyurethane and organic solvent being added in blender and mixed, is warming up to 50-60 DEG C, mixes 10-
Titanium dioxide, sodium carboxymethylcellulose and pigment are added after 20min, curing agent and defoaming agent is added after continueing to mix 20-30min,
It feeds the mixture into sand mill and is ground after mixing 1-1.5h；
(2) it protects film preparation: polyethylene and polyether-ether-ketone being added in smelting furnace, and are warming up to 180-220 DEG C of mixing 1-1.5h,
Again will after polycarbonate and polyacrylonitrile ultrasonic disperse 20-30min be added smelting furnace in, while be added mixed defoaming agent and
Coupling agent continues to be added into casting and stretching machine after being kneaded 1.5-2h and carry out casting and stretching；
(3) digital printing: the ink of preparation is placed in process cartridge, and by way of ink jet printing to printing element into
Row digital printing；
(4) curing and drying: the printing element after printing being placed in dryer and carries out curing and drying, and drying temperature is 60-70 DEG C,
Cooled to room temperature after drying 20-30min；
(5) coating processing: the protective film of preparation is covered on printing element after printing, passes through the processes such as thermoprint indentation die-cutting
Protective film is fitted tightly on printing element, 2-3h is stood.
Preferably, ink is made of the raw material of following parts by weight in step (1): 36-40 parts of polyurethane, organic solvent 20-
24 parts, 4-8 parts of titanium dioxide, 6-10 parts of sodium carboxymethylcellulose, 8-12 parts of pigment, 2-4 parts of curing agent, 2-4 parts of defoaming agent.
Preferably, the organic solvent in step (1) is mixed by ethyl ketone and ethyl acetate with mass ratio for 1:1, pigment
For carbon black, it with mass ratio is that 1:2 is mixed that curing agent, which is aromatic amine and acid anhydrides,.
Preferably, the fineness of titanium dioxide and pigment is 0.1-0.2mm in step (1), and the fineness of the ink prepared is
0.03-0.05mm。
Preferably, protective film is made of the raw material of following parts by weight in step (2): 38-42 parts of polyethylene, polyether-ether-ketone
18-22 parts, 12-16 parts of polycarbonate, 6-10 parts of polyacrylonitrile, 4-8 parts of defoaming agent, 4-8 parts of coupling agent.
Preferably, in step (2) coupling agent by silane coupling agent and titanate coupling agent with mass ratio be 1:1 mix and
At.
Preferably, the defoaming agent in step (1) and step (2) by silicone emulsion and organosiloxane with mass ratio be 1:
1 mixes.
Preferably, keeping extrusion temperature in step (2) when casting and stretching is 120-140 DEG C, draw ratio 1:2.
The present invention provides a kind of environmentally friendly digital printing process, and advantage is compared with prior art:
(1) present invention uses the solvent of ethyl ketone and ethyl acetate as ink, and it is excessively high and make to effectively prevent benzene content in solvent
At problem of environmental pollution, and add titanium dioxide and sodium carboxymethylcellulose into ink raw materials, effectively increase ink
Viscosity enhances its adhesive force, while this printing technology process is simple, environmental protection and energy saving, and printing cost is low；
(2) present invention forms fine and close protective film, effectively mentions by adding polycarbonate and polyacrylonitrile in protection film raw material
The high waterproof performance of protective film effectively prevent outside water to pass through protective film by the way that protective film is fitted in printing element surface
So that printing element is made moist, and effectively reduce the abrasion of ink, to carry out effective protection to printing element.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of environmental protection digital printing process, comprising the following steps:
(1) prepared by ink: polyurethane and organic solvent being added in blender and mixed, is warming up to 50-60 DEG C, mixes 10-
Titanium dioxide, sodium carboxymethylcellulose and pigment are added after 20min, curing agent and defoaming agent is added after continueing to mix 20-30min,
It feeds the mixture into sand mill and is ground after mixing 1-1.5h；
(2) it protects film preparation: polyethylene and polyether-ether-ketone being added in smelting furnace, and are warming up to 180-220 DEG C of mixing 1-1.5h,
Again will after polycarbonate and polyacrylonitrile ultrasonic disperse 20-30min be added smelting furnace in, while be added mixed defoaming agent and
Coupling agent continues to be added into casting and stretching machine after being kneaded 1.5-2h and carry out casting and stretching；
(3) digital printing: the ink of preparation is placed in process cartridge, and by way of ink jet printing to printing element into
Row digital printing；
(4) curing and drying: the printing element after printing being placed in dryer and carries out curing and drying, and drying temperature is 60-70 DEG C,
Cooled to room temperature after drying 20-30min；
(5) coating processing: the protective film of preparation is covered on printing element after printing, passes through the processes such as thermoprint indentation die-cutting
Protective film is fitted tightly on printing element, 2-3h is stood.
Wherein, ink is made of the raw material of following parts by weight in step (1): 36 parts of polyurethane, 20 parts of organic solvent, titanium white
4 parts of powder, 6 parts of sodium carboxymethylcellulose, 8 parts of pigment, 2 parts of curing agent, 2 parts of defoaming agent；Organic solvent in step (1) is by ethyl ketone
Mixed with ethyl acetate with mass ratio for 1:1, pigment is carbon black, curing agent be aromatic amine and acid anhydrides with mass ratio for 1:2
It mixes；The fineness of titanium dioxide and pigment is 0.1-0.2mm in step (1), and the fineness of the ink prepared is 0.03-
0.05mm；Protective film is made of the raw material of following parts by weight in step (2): 38 parts of polyethylene, 18 parts of polyether-ether-ketone, polycarbonate
12 parts, 6 parts of polyacrylonitrile, 4 parts of defoaming agent, 4 parts of coupling agent；Coupling agent is coupled by silane coupling agent and titanate esters in step (2)
Agent is mixed with mass ratio for 1:1；Defoaming agent in step (1) and step (2) by silicone emulsion and organosiloxane with
Mass ratio mixes for 1:1；Keeping extrusion temperature in step (2) when casting and stretching is 120-140 DEG C, draw ratio 1:2.
Embodiment 2:
A kind of environmental protection digital printing process, comprising the following steps:
(1) prepared by ink: polyurethane and organic solvent being added in blender and mixed, is warming up to 50-60 DEG C, mixes 10-
Titanium dioxide, sodium carboxymethylcellulose and pigment are added after 20min, curing agent and defoaming agent is added after continueing to mix 20-30min,
It feeds the mixture into sand mill and is ground after mixing 1-1.5h；
(2) it protects film preparation: polyethylene and polyether-ether-ketone being added in smelting furnace, and are warming up to 180-220 DEG C of mixing 1-1.5h,
Again will after polycarbonate and polyacrylonitrile ultrasonic disperse 20-30min be added smelting furnace in, while be added mixed defoaming agent and
Coupling agent continues to be added into casting and stretching machine after being kneaded 1.5-2h and carry out casting and stretching；
(3) digital printing: the ink of preparation is placed in process cartridge, and by way of ink jet printing to printing element into
Row digital printing；
(4) curing and drying: the printing element after printing being placed in dryer and carries out curing and drying, and drying temperature is 60-70 DEG C,
Cooled to room temperature after drying 20-30min；
(5) coating processing: the protective film of preparation is covered on printing element after printing, passes through the processes such as thermoprint indentation die-cutting
Protective film is fitted tightly on printing element, 2-3h is stood.
Wherein, ink is made of the raw material of following parts by weight in step (1): 38 parts of polyurethane, 22 parts of organic solvent, titanium white
6 parts of powder, 8 parts of sodium carboxymethylcellulose, 10 parts of pigment, 3 parts of curing agent, 3 parts of defoaming agent；Organic solvent in step (1) is by second
Ketone and ethyl acetate are mixed with mass ratio for 1:1, and pigment is carbon black, and it with mass ratio is 1 that curing agent, which is aromatic amine and acid anhydrides:
2 mix；The fineness of titanium dioxide and pigment is 0.1-0.2mm in step (1), and the fineness of the ink prepared is 0.03-
0.05mm；Protective film is made of the raw material of following parts by weight in step (2): 40 parts of polyethylene, 20 parts of polyether-ether-ketone, polycarbonate
14 parts, 8 parts of polyacrylonitrile, 6 parts of defoaming agent, 6 parts of coupling agent；Coupling agent is coupled by silane coupling agent and titanate esters in step (2)
Agent is mixed with mass ratio for 1:1；Defoaming agent in step (1) and step (2) by silicone emulsion and organosiloxane with
Mass ratio mixes for 1:1；Keeping extrusion temperature in step (2) when casting and stretching is 120-140 DEG C, draw ratio 1:2.
Embodiment 3:
A kind of environmental protection digital printing process, comprising the following steps:
(1) prepared by ink: polyurethane and organic solvent being added in blender and mixed, is warming up to 50-60 DEG C, mixes 10-
Titanium dioxide, sodium carboxymethylcellulose and pigment are added after 20min, curing agent and defoaming agent is added after continueing to mix 20-30min,
It feeds the mixture into sand mill and is ground after mixing 1-1.5h；
(2) it protects film preparation: polyethylene and polyether-ether-ketone being added in smelting furnace, and are warming up to 180-220 DEG C of mixing 1-1.5h,
Again will after polycarbonate and polyacrylonitrile ultrasonic disperse 20-30min be added smelting furnace in, while be added mixed defoaming agent and
Coupling agent continues to be added into casting and stretching machine after being kneaded 1.5-2h and carry out casting and stretching；
(3) digital printing: the ink of preparation is placed in process cartridge, and by way of ink jet printing to printing element into
Row digital printing；
(4) curing and drying: the printing element after printing being placed in dryer and carries out curing and drying, and drying temperature is 60-70 DEG C,
Cooled to room temperature after drying 20-30min；
(5) coating processing: the protective film of preparation is covered on printing element after printing, passes through the processes such as thermoprint indentation die-cutting
Protective film is fitted tightly on printing element, 2-3h is stood.
Wherein, ink is made of the raw material of following parts by weight in step (1): 40 parts of polyurethane, 24 parts of organic solvent, titanium white
8 parts of powder, 10 parts of sodium carboxymethylcellulose, 12 parts of pigment, 4 parts of curing agent, 4 parts of defoaming agent；Organic solvent in step (1) is by second
Ketone and ethyl acetate are mixed with mass ratio for 1:1, and pigment is carbon black, and it with mass ratio is 1 that curing agent, which is aromatic amine and acid anhydrides:
2 mix；The fineness of titanium dioxide and pigment is 0.1-0.2mm in step (1), and the fineness of the ink prepared is 0.03-
0.05mm；Protective film is made of the raw material of following parts by weight in step (2): 42 parts of polyethylene, 22 parts of polyether-ether-ketone, polycarbonate
16 parts, 10 parts of polyacrylonitrile, 8 parts of defoaming agent, 8 parts of coupling agent；Coupling agent is coupled by silane coupling agent and titanate esters in step (2)
Agent is mixed with mass ratio for 1:1；Defoaming agent in step (1) and step (2) by silicone emulsion and organosiloxane with
Mass ratio mixes for 1:1；Keeping extrusion temperature in step (2) when casting and stretching is 120-140 DEG C, draw ratio 1:2.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of environmental protection digital printing process, which comprises the following steps:
(1) prepared by ink: polyurethane and organic solvent being added in blender and mixed, is warming up to 50-60 DEG C, mixes 10-
Titanium dioxide, sodium carboxymethylcellulose and pigment are added after 20min, curing agent and defoaming agent is added after continueing to mix 20-30min,
It feeds the mixture into sand mill and is ground after mixing 1-1.5h；
(2) it protects film preparation: polyethylene and polyether-ether-ketone being added in smelting furnace, and are warming up to 180-220 DEG C of mixing 1-1.5h,
Again will after polycarbonate and polyacrylonitrile ultrasonic disperse 20-30min be added smelting furnace in, while be added mixed defoaming agent and
Coupling agent continues to be added into casting and stretching machine after being kneaded 1.5-2h and carry out casting and stretching；
(3) digital printing: the ink of preparation is placed in process cartridge, and by way of ink jet printing to printing element into
Row digital printing；
(4) curing and drying: the printing element after printing being placed in dryer and carries out curing and drying, and drying temperature is 60-70 DEG C,
Cooled to room temperature after drying 20-30min；
(5) coating processing: the protective film of preparation is covered on printing element after printing, passes through the processes such as thermoprint indentation die-cutting
Protective film is fitted tightly on printing element, 2-3h is stood.
2. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: ink is by following in step (1)
The raw material of parts by weight forms: 36-40 parts of polyurethane, 20-24 parts of organic solvent, 4-8 parts of titanium dioxide, sodium carboxymethylcellulose 6-10
Part, 8-12 parts of pigment, 2-4 parts of curing agent, 2-4 parts of defoaming agent.
3. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: the organic solvent in step (1)
It is mixed by ethyl ketone and ethyl acetate with mass ratio for 1:1, pigment is carbon black, and curing agent is aromatic amine and acid anhydrides with mass ratio
It is mixed for 1:2.
4. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: titanium dioxide and face in step (1)
The fineness of material is 0.1-0.2mm, and the fineness of the ink prepared is 0.03-0.05mm.
5. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: in step (2) protective film by with
The raw material of lower parts by weight forms: 38-42 parts of polyethylene, 18-22 parts of polyether-ether-ketone, 12-16 parts of polycarbonate, polyacrylonitrile 6-10
Part, 4-8 parts of defoaming agent, 4-8 parts of coupling agent.
6. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: coupling agent is by silicon in step (2)
Alkane coupling agent and titanate coupling agent are mixed with mass ratio for 1:1.
7. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: in step (1) and step (2)
Defoaming agent is mixed by silicone emulsion and organosiloxane with mass ratio for 1:1.
8. a kind of environmentally friendly digital printing process according to claim 1, it is characterised in that: in step (2) when casting and stretching
Keeping extrusion temperature is 120-140 DEG C, draw ratio 1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416506.5A CN109693460A (en) | 2018-11-26 | 2018-11-26 | A kind of environmental protection digital printing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811416506.5A CN109693460A (en) | 2018-11-26 | 2018-11-26 | A kind of environmental protection digital printing process |
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| CN109693460A true CN109693460A (en) | 2019-04-30 |
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| CN201811416506.5A Pending CN109693460A (en) | 2018-11-26 | 2018-11-26 | A kind of environmental protection digital printing process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469573A (en) * | 2020-05-28 | 2020-07-31 | 安庆盛华纸质包装有限公司 | Printing ink processing technology of high-performance coated paper sheet |
| CN113619306A (en) * | 2021-07-14 | 2021-11-09 | 湖北民政印刷厂 | Green and environment-friendly printing process |
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| CN1521155A (en) * | 2002-11-14 | 2004-08-18 | 三星电子株式会社 | Functional additive having UV-absorbing substituent and ink composition containing the same |
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Application publication date: 20190430 |