CN109868044A - A kind of print media protective layer and preparation method thereof - Google Patents
A kind of print media protective layer and preparation method thereof Download PDFInfo
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- CN109868044A CN109868044A CN201811483766.4A CN201811483766A CN109868044A CN 109868044 A CN109868044 A CN 109868044A CN 201811483766 A CN201811483766 A CN 201811483766A CN 109868044 A CN109868044 A CN 109868044A
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- print media
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Abstract
The present invention relates to a kind of print media protective layers, it is characterised in that: the protective layer contains the defoaming agent of the adsorbent of 0.15-0.8 mass parts, the friction control agent of 0.05-0.35 mass parts, the adhesive of 5-25 mass parts, the levelling agent of 0.3-6 mass parts and 0.01-5 mass parts.The present invention also provides the preparation method of the print media protective layer and a kind of printing films with the print media protective layer.Print media protective layer of the invention makes print media have better weatherability, does not influence vulnerable to ambient temperature and humidity, and print image output is high-quality and stablizes；Surface of print media coefficient of friction with print media protective layer is moderate, not will cause adhered to one another because of stacking between print media, and heel piece, card rate are low, are more suitable for printing speed, reduce printer rate of breakdown, have saved the maintenance cost of printer.
Description
Technical field
The present invention relates to a kind of print media protective layers, especially containing the printing film of the protective layer, are mainly used for curing
The output and storage for treating image, belong to medical instruments field.
Background technique
Since roentgen in 1895 has found X-ray, records and stored obtained using x-ray bombardment human body blend compounds piece
Image is widely used with the technology for diagnosing the state of an illness, has nowadays been an indispensable medical diagnosis means.With society
The progress of meeting, for the needs for more preferably meeting x-ray imaging diagnosis, x-ray imaging film and matched intensifying screen technology have
Significant progress, it may be said that the imaging material system for serving x-ray imaging is highly developed.
The conventional film of early stage be it is non-digitized as common film, film need in darkroom, by reversion
Egative film, be imaged under the interaction of developer solution and fixing solution, that is, silver film, be called " humidity strip ".Second of the world
After Great War, imaging technique enters a new period, and various novel diagnostic systems occur in succession, and is applied to anatomy and examines
Disconnected disease, especially nuclear medicine and medical supersonic technology, they have broken previous imaging limitation, have shown with providing hurtless measure
Show the new tool of disease.With the beginning of the seventies in last century, the appearance of X ray computer body layer equipment, and digitize in recent years
Technology is popularized, and revolutionary change occurs for medical image output and diagnostic mode, and medical imaging technology shows brand-new
Looks, novel digital imaging film, that is, dry type film, also occur immediately.
Dry type film is title relative to " humidity strip " and next, because its imaging process is without this process of film rinsing, is saved
A large amount of human and material resources and space, the aobvious, fixing solution that no chemical waste is not discarded, reduce the pollution to environment,
Resource is saved, and its dress changes piece and can be easily managed, safeguard in brightroom operation.Dry type film structure generally by backing layer, bottom,
Substrate, bottom, imaging layer and protective layer are constituted.Classified according to the difference of imaging mode, laser printing dry type glue can be divided into
Piece, inkjet printing dry type film and thermal printing dry type film.
However still there are some defects in existing dry type film, be mainly shown as weatherability it is poor and printing when heel piece,
Card will affect image output quality and cause paper feed failure.Wherein weatherability is poor, refers to film printing performance by temperature and humidity
Be affected, moisture-sensitive makes print image the problems such as spot, tacky occur.Meanwhile being overlapped mutually between film and film,
Smooth surface is in close contact, completely isolated air, local decompression or vacuum occurs, and easily mutually absorption is viscous when removing
Knot, heel piece, card when finally causing to print.
Therefore, the problem to be solved by the invention is to provide a kind of print media protective layer, which makes
Print media has better weatherability, and has suitable coefficient of friction and anti-stick junction characteristic, can be applied to medical printing glue
Piece either other print media.
Summary of the invention
The purpose of the invention is to provide a kind of print media protective layer and preparation method, protected containing the print media
The printing film of layer has better weatherability, and has suitable coefficient of friction and anti-stick junction characteristic.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of print media protective layer, feature exist
In: the protective layer contains the adsorbent of 0.15-0.8 mass parts, the friction control agent of 0.05-0.35 mass parts, 5-25 matter
Measure the adhesive, the levelling agent of 0.3-6 mass parts and the defoaming agent of 0.01-5 mass parts of part；
The adsorbent include silica, nano aluminium oxide, boehmite, calcium carbonate or calcined kaolin in extremely
Few one kind；
The friction control agent includes at least one of wax powder, wax cream or common micro-scaled filler, and wherein common micro-scaled filler is
Talcum powder, silica, boron nitride or silicone particles；
The adhesive includes ethylene-vinyl acetate copolymer emulsion, acrylic emulsion, polyaminoester emulsion, polyvinyl alcohol tree
At least one of rouge or polyvinylpyrrolidone；
The levelling agent includes at least one of acrylic polymer, polyurethanes or organic silicon, wherein having
Machine silicon class is silicone oil, dimethyl silicone polymer, polyether polyester azo polyether polyeste or alkyl-modified organosiloxane；
The defoaming agent includes at least one of organic silicon defoamer or alcohols, and wherein alcohols is ethyl alcohol, isopropanol, fourth
Alcohol or ethylene glycol.The organic silicon defoamer main component is silicone oil, is nonvolatile oily liquids under silicone oil room temperature,
Insoluble or solubility very little in water, vegetable and animals oils and mineral oil, can high temperature resistant, also low-temperature-resistant, chemical property inertia, object
Rational performance is stablized, and inactive is a kind of lotion of thick white, is usually used in each industrial circle.
The present invention improves the weatherability of film by the adsorbent, and adsorbent has biggish hole and specific surface
Product has stronger water imbibition and high temperature resistance, so that the protective layer is not likely to produce droplet, and solve because of water
Caused by pearl the problem of sticky finiss.In addition, the present invention also controls the coefficient of friction of protective layer by friction control agent,
Make its static friction coefficient control between 0.4-0.5, dynamic friction coefficient control between 0.3-0.4, print procedure can be enabled
Smooth, heel piece, card, are not suitble to printing speed.Meanwhile it is poor by the particle of adsorbent and friction control agent these solid packings
So that the protective layer is formed local concave-convex sense, solves print media superposition accumulation rear surface and cause because of close contact
Adhesion problem, play the role of anti stick.
The crosslinking agent of dispersing agent and 0-0.25 mass parts of the protective layer of the present invention also containing 0-0.25 mass parts；
The dispersing agent is nonionic surface active agent, and the nonionic surface active agent includes alkyl phenol polyoxy second
At least one of alkene ether, polyoxyethylene carboxylate, the ethylene oxide adduct of polypropylene glycol or sorbitan ester；
The crosslinking agent is boric acid, borax, silane coupling agent or maleic anhydride.
Dispersing agent and crosslinking agent are also commonly used component in chemistry painting industry, can be added on demand, be had according to the formula of coating
It is uniformly mixed and is coated with uniformly conducive to coating, and improve strength of coating and water resistance.
Preferably, protective layer of the present invention contains the adsorbent of 0.3-0.5 mass parts, 0.1-0.2 mass parts are rubbed
Wipe the defoaming agent of controlling agent, the adhesive of 17.5-25 mass parts, the levelling agent of 0.4-0.6 mass parts and 0.02 mass parts.
The present invention also provides a kind of preparation methods of print media protective layer, it is characterised in that: the preparation side
Method the following steps are included:
(1) deionized water high speed is added in the adsorbent, friction control agent, adhesive to disperse 60 minutes；
(2) levelling agent is added to continue high speed dispersion 30 minutes；
(3) defoaming agent is added, coating is prepared through filtering in low speed defoaming；
(4) coating described in step (3) is uniformly coated on the positive outermost layer of print media, coating weight control is in 0.4-1.5
Gram/m；
(5) completely after drying, coating described in step (3) forms print media protective layer.
Preferably, the dosage of deionized water of the present invention is 50-120 mass parts；Drying temperature described in step (5)
Control is at 100-130 degrees Celsius.It is first with a part of deionized water that the adhesive is molten when the adhesive is solid
It is carried out again after solution step (1).
When needing dispersing agent and crosslinking agent, preparation method of the present invention the following steps are included:
(1) deionized water high speed is added in the adsorbent, friction control agent, adhesive, dispersing agent to disperse 60 minutes；
(2) levelling agent is added to continue high speed dispersion 30 minutes；
(3) crosslinking agent is added to continue high speed dispersion 30 minutes；
(4) defoaming agent is added, coating is prepared through filtering in low speed defoaming；
(5) coating described in step (4) is uniformly coated on the positive outermost layer of print media, coating weight control is in 0.4-1.5
Gram/m；
(6) completely after drying, coating described in step (4) forms print media protective layer.
Preferably, the dosage of deionized water of the present invention is 50-120 mass parts；Drying temperature described in step (6)
Control is at 100-130 degrees Celsius.It is first with a part of deionized water that the adhesive is molten when the adhesive is solid
It is carried out again after solution step (1).
High speed dispersion revolving speed of the present invention is 1500-3000 revs/min, low speed defoaming revolving speed be 100-800 turn/
Minute.
The present invention can make the thickness control after the drying of print media protective layer in 1-5 micron range the control of coating weight
It is interior, be conducive to improve print quality；Solid binder dissolution is first more conducive to each component to mix well, applies coating uniformly easily
Cloth；The control of drying temperature can also make coating more evenly.
The present invention also provides a kind of printing films, it is characterised in that: the printing film contains above-described printing
Medium protective layer.Printing film generally includes the various coatings being coated on substrate and substrate, the substrate include fiber-based material,
Polyurethane resin, polyethylene terephthalate resin, polycarbonate resin, polystyrene resin, polyacrylate resin,
Paper, ivory board or fabric, preferably transparent or semitransparent polyethylene terephthalate resin (PET) material have strong
Spend height, good toughness, the characteristics such as heat-resist, solvent resistance is excellent.Print media protective layer of the present invention, which is usually located at, to be beaten
Print medium printing face, that is, positive outermost layer.
Compared with prior art, the present invention having the following advantages that and effect: print media protective layer has print media
Better weatherability is not influenced vulnerable to ambient temperature and humidity, and print image output is high-quality and stablizes；With print media protective layer
Surface of print media coefficient of friction it is moderate, both will not it is too smooth will not be too coarse, not will cause between print media
Adhered to one another because of stacking, heel piece, card rate are low, are more suitable for printing speed, reduce printer rate of breakdown, have saved and beaten
The maintenance cost of print machine；Meanwhile the technology and equipment setting in the print media production process with the print media protective layer
Complexity is basically unchanged.
Specific embodiment
Below by specific embodiment, the invention will be further described.
Embodiment 1.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive to disperse 60 minutes；Levelling agent is added to continue
High speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；Coating is uniformly coated on printing
The positive outermost layer of medium, coating weight control is at 1.5 grams/m；After 120 degrees Celsius dry completely, coating forms printing
Medium protective layer.
Embodiment 2.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive to disperse 60 minutes；Levelling agent is added to continue
High speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；Coating is uniformly coated on printing
The positive outermost layer of medium, coating weight control is at 0.8 gram/m；After 130 degrees Celsius dry completely, coating forms printing
Medium protective layer.
Embodiment 3.
Weigh the raw material of following mass parts.
First polyvinyl alcohol resin is dissolved with a part of deionized water, then adsorbent, friction control agent, adhesive (are wrapped
Include the polyvinyl alcohol resin solution of polyaminoester emulsion and dissolution) it is added remaining the dispersion of deionized water high speed 60 minutes；It is added
Levelling agent continues high speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；Coating is uniform
It is coated on the positive outermost layer of print media, coating weight control is at 1.0 grams/m；After 120 degrees Celsius dry completely, coating
Form print media protective layer.
Embodiment 4.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive to disperse 60 minutes；Levelling agent is added to continue
High speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；Coating is uniformly coated on printing
The positive outermost layer of medium, coating weight control is at 0.4 gram/m；After 110 degrees Celsius dry completely, coating forms printing
Medium protective layer.
Embodiment 5.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive to disperse 60 minutes；Levelling agent is added to continue
High speed dispersion 30 minutes；The crosslinking agent is added to continue high speed dispersion 30 minutes；Defoaming agent, low speed defoaming, through filtering is added
Coating is prepared；Coating is uniformly coated on the positive outermost layer of print media, coating weight control is at 1.0 grams/m；
After 110 degrees Celsius dry completely, coating forms print media protective layer.
Embodiment 6.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive, dispersing agent to disperse 60 minutes；Stream is added
Flat agent continues high speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；Coating is uniformly applied
Cloth is in the positive outermost layer of print media, and coating weight control is at 1.0 grams/m；After 100 degrees Celsius dry completely, coating is
Form print media protective layer.
Embodiment 7.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive, dispersing agent to disperse 60 minutes；Stream is added
Flat agent continues high speed dispersion 30 minutes；The crosslinking agent is added to continue high speed dispersion 30 minutes；Defoaming agent is added, low speed disappears
Coating is prepared through filtering in bubble；Coating is uniformly coated on the positive outermost layer of print media, coating weight control is 1.1
Gram/m；After 120 degrees Celsius dry completely, coating forms print media protective layer.
Embodiment 8.
Weigh the raw material of following mass parts.
First polyvinylpyrrolidone is dissolved with a part of deionized water, then by adsorbent, friction control agent, adhesive,
Remaining deionized water high speed, which is added, in dispersing agent disperses 60 minutes；The crosslinking agent is added to continue high speed dispersion 30 minutes；
Levelling agent is added to continue high speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；By coating
It is uniformly coated on the positive outermost layer of print media, coating weight control is at 1.0 grams/m；After 110 degrees Celsius dry completely,
Coating forms print media protective layer.
Embodiment 9.
Weigh the raw material of following mass parts.
First polyvinyl alcohol resin is dissolved with a part of deionized water, then adsorbent, friction control agent, adhesive (are wrapped
Include the polyvinyl alcohol resin solution of polyaminoester emulsion and dissolution) it is added remaining the dispersion of deionized water high speed 60 minutes；It is added
Levelling agent continues high speed dispersion 30 minutes；Defoaming agent is added, coating is prepared through filtering in low speed defoaming；Coating is uniform
It is coated on the positive outermost layer of print media, coating weight control is at 1.0 grams/m；After 110 degrees Celsius dry completely, coating
Form print media protective layer.
Embodiment 10.
Weigh the raw material of following mass parts.
Deionized water high speed is added in adsorbent, friction control agent, adhesive, dispersing agent to disperse 60 minutes；Stream is added
Flat agent continues high speed dispersion 30 minutes；The crosslinking agent is added to continue high speed dispersion 30 minutes；Defoaming agent is added, low speed disappears
Coating is prepared through filtering in bubble；Coating is uniformly coated on the positive outermost layer of print media, coating weight control is 0.75
Gram/m；After 110 degrees Celsius dry completely, coating forms print media protective layer.
It is any ripe although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff for knowing this technology changes and retouches made without departing from the spirit and scope of the invention, or according to the present invention
The equivalent or simple change that principle, method and the technique is done, belongs in the scope of protection of the patent of the present invention.
Claims (10)
1. a kind of print media protective layer, it is characterised in that: the protective layer contain 0.15-0.8 mass parts adsorbent,
The friction control agent of 0.05-0.35 mass parts, the adhesive of 5-25 mass parts, the levelling agent of 0.3-6 mass parts and 0.01-5 matter
Measure the defoaming agent of part；
The adsorbent include silica, nano aluminium oxide, boehmite, calcium carbonate or calcined kaolin in extremely
Few one kind；
The friction control agent includes at least one of wax powder, wax cream or common micro-scaled filler, and wherein common micro-scaled filler is
Talcum powder, silica, boron nitride or silicone particles；
The adhesive includes ethylene-vinyl acetate copolymer emulsion, acrylic emulsion, polyaminoester emulsion, polyvinyl alcohol tree
At least one of rouge or polyvinylpyrrolidone；
The levelling agent includes at least one of acrylic polymer, polyurethanes or organic silicon, wherein having
Machine silicon class is silicone oil, dimethyl silicone polymer, polyether polyester azo polyether polyeste or alkyl-modified organosiloxane；
The defoaming agent includes at least one of organic silicon defoamer or alcohols, and wherein alcohols is ethyl alcohol, isopropanol, fourth
Alcohol or ethylene glycol.
2. print media protective layer according to claim 1, it is characterised in that: the protective layer also contains 0-0.25 matter
Measure the dispersing agent of part and the crosslinking agent of 0-0.25 mass parts；
The dispersing agent is nonionic surface active agent, and the nonionic surface active agent includes alkyl phenol polyoxy second
At least one of alkene ether, polyoxyethylene carboxylate, the ethylene oxide adduct of polypropylene glycol or sorbitan ester；
The crosslinking agent is boric acid, borax, silane coupling agent or maleic anhydride.
3. print media protective layer according to claim 1, it is characterised in that: the protective layer contains 0.3-0.5 matter
Measure the adsorbent of part, the friction control agent of 0.1-0.2 mass parts, the adhesive of 17.5-25 mass parts, 0.4-0.6 mass parts
The defoaming agent of levelling agent and 0.02 mass parts.
4. the preparation method of print media protective layer described in a kind of claim 1, it is characterised in that: the preparation method includes
Following steps:
(1) deionized water high speed is added in the adsorbent, friction control agent, adhesive to disperse 60 minutes；
(2) levelling agent is added to continue high speed dispersion 30 minutes；
(3) defoaming agent is added, coating is prepared through filtering in low speed defoaming；
(4) coating described in step (3) is uniformly coated on the positive outermost layer of print media, coating weight control is in 0.4-1.5
Gram/m；
(5) completely after drying, coating described in step (3) forms print media protective layer.
5. the preparation method of print media protective layer according to claim 4, it is characterised in that: the dosage of the deionized water
For 50-120 mass parts；Drying temperature described in step (5) is controlled at 100-130 degrees Celsius.
6. the preparation method of print media protective layer according to claim 4 or 5, it is characterised in that: the adhesive is
When solid, carry out step (1) after first the adhesive being dissolved with a part of deionized water again.
7. the preparation method of print media protective layer described in a kind of claim 2, it is characterised in that: the preparation method includes
Following steps:
(1) deionized water high speed is added in the adsorbent, friction control agent, adhesive, dispersing agent to disperse 60 minutes；
(2) levelling agent is added to continue high speed dispersion 30 minutes；
(3) crosslinking agent is added to continue high speed dispersion 30 minutes；
(4) defoaming agent is added, coating is prepared through filtering in low speed defoaming；
(5) coating described in step (4) is uniformly coated on the positive outermost layer of print media, coating weight control is in 0.4-1.5
Gram/m；
(6) completely after drying, coating described in step (4) forms print media protective layer.
8. the preparation method of print media protective layer according to claim 7, it is characterised in that: the dosage of the deionized water
For 50-120 mass parts；Drying temperature described in step (6) is controlled at 100-130 degrees Celsius.
9. according to the preparation method of the print media protective layer of claim 7 or 8, it is characterised in that: the adhesive is
When solid, carry out step (1) after first the adhesive being dissolved with a part of deionized water again.
10. a kind of printing film, it is characterised in that: the printing film contains the guarantor of print media described in claim 1-3
Sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483766.4A CN109868044A (en) | 2018-12-06 | 2018-12-06 | A kind of print media protective layer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483766.4A CN109868044A (en) | 2018-12-06 | 2018-12-06 | A kind of print media protective layer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN109868044A true CN109868044A (en) | 2019-06-11 |
Family
ID=66917054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811483766.4A Pending CN109868044A (en) | 2018-12-06 | 2018-12-06 | A kind of print media protective layer and preparation method thereof |
Country Status (1)
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| CN (1) | CN109868044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804381A (en) * | 2019-12-03 | 2020-02-18 | 郑州鸿盛数码科技股份有限公司 | Primer liquid suitable for printing non-absorbent printing medium by using water-based pigment ink, preparation method and application |
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| CN103818139A (en) * | 2014-02-17 | 2014-05-28 | 潍坊恒彩数码影像材料有限公司 | Medical film and preparation method thereof |
| CN106379069A (en) * | 2016-08-29 | 2017-02-08 | 合肥菲力姆数码科技有限公司 | Medical laser printing film |
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- 2018-12-06 CN CN201811483766.4A patent/CN109868044A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818139A (en) * | 2014-02-17 | 2014-05-28 | 潍坊恒彩数码影像材料有限公司 | Medical film and preparation method thereof |
| CN106379069A (en) * | 2016-08-29 | 2017-02-08 | 合肥菲力姆数码科技有限公司 | Medical laser printing film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110804381A (en) * | 2019-12-03 | 2020-02-18 | 郑州鸿盛数码科技股份有限公司 | Primer liquid suitable for printing non-absorbent printing medium by using water-based pigment ink, preparation method and application |
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Application publication date: 20190611 |