CN104710858A - Novel R-type pigment radiant blue size ink formula - Google Patents
Novel R-type pigment radiant blue size ink formula Download PDFInfo
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- CN104710858A CN104710858A CN201310679292.1A CN201310679292A CN104710858A CN 104710858 A CN104710858 A CN 104710858A CN 201310679292 A CN201310679292 A CN 201310679292A CN 104710858 A CN104710858 A CN 104710858A
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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
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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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a novel R-type pigment radiant blue size ink formula which can be divided into three types: 1)a diluent-type printing ink by taking a diluent as a main material: the diluent-type printing ink has certain transparency and is suitable for multicolor overprinting of the printing ink; 2)a delustring-type printing ink by taking a white ink as a main material: the delustring-type printing ink has strong covering power, the ink color is brilliant, the delustring-type printing ink for general synthesis paper is blended by the white ink; and 3)a light color printing ink blended by the diluent and the white ink. According to a three primary colors theory, the printing ink is prepared by mixing the materials according to different proportion and mode, so that various colors can be blended, in reality, pure ink color can not prepared by any mode; accordingly, in color printing, overprinting can be carried out by employing four colors of printing ink of yellow, pinkish red, green and black; and a standard binary color ink means the ink formed by mixing equivalent any two primary colors.
Description
(1) field
The novel R type of the present invention is penetrated the blue slurry formula of light and is belonged to chemical field of Environment Protection.
(2) brief introduction
The blue slurry formula of light penetrated by R type, and it has following four features:
1, accuracy.Each chromatography has itself fixing form and aspect, so it can ensure the accuracy of color in printing, thus largely solves the problem of color transfer accuracy;
2, property on the spot.Spot color generally uses look define color on the spot, and no matter how shallow this color have.Certainly, also spot color screening (Tint) can be given, to present any depth tone of spot color;
3, opacity.Spot ink is a kind of ink of Covering property, and it is opaque, can carry out covering on the spot;
4, colour gamut is showed wide.Color-gamut in chromatography look storehouse is very wide, has exceeded the performance colour gamut of RGB, has said nothing of CMYK color space, so, there is color CMYK four-color process ink greatly to present.
R type penetrates design and the quality level of the blue slurry formula allotment of light in order to improve packing and decorating goods, printing house is when printing cigarette, wine, changing trade mark, packaging, the propaganda material of you product, medicine, daily necessities etc., often to use spot ink, to ensure the color consistency of printing, meet the requirement of client.
Various colours beyond the series of products that spot ink refers generally to ink manufacturer production do not have ink.Want to allocate special angle ink skillfully, exactly, certain ink color must be grasped and gain knowledge.
A kind of and several primary colors ink of dark spot ink allotment, does not add any thinner and carries out the allotment that colorant match is referred to as dark spot color ink.
According to subtractive-type process principle, the kind number of primary colors ink during allotment dark colored inks, should be used less as far as possible.
Otherwise brightness and the colour vividness of ink can be reduced.But some product has particular requirement to mass colour, with red ink, a small amount of tusche allotment of Huang Mojia as dark-brown ink.
In addition, the bronze of three primary colors in varing proportions mixing, red purple, dare the green depth curve of olive secondary color not etc., must correct its colour cast by complementary color theory, as too heavy in green phase, can add a small amount of red ink corrects; Red phase is too heavy, can add a small amount of blue ink and correct; Purple taste is too heavy, can add a small amount of yellow ink and correct; If deepen the concentration of tusche, can add on a small quantity dark red, penetrate light indigo plant to adjust.As in the production of offset printing tusche, the principle adjusting tusche form and aspect with pigment such as penetrating light indigo plant, everbright fast red, phthalocyanine blue is the same.Penetrating light indigo plant is commonly used in spot color ink, and it can eliminate original brown end in tusche, make tusche more deeply, denseer.
The all need of allotment of light color spot ink add punching and talk the mass colour allotment that agent or chalk carry out and be referred to as the allotment of light color ink.Allocate light spot ink and can not adopt the method adding thinner in primary colors ink, talk coloration ability in agent because primary colors is black in punching comparatively strong, and each primary colors ink tinting strength differs, and easily causes form and aspect forbidden and waste former ink.
Correct concocting method adopts to add primary colors ink gradually in thinner, reaches after requirement until form and aspect, then the ink amount that exaggerated scale allotment needs.
The concocting method of spot ink
1, scaling method
Ink colors is allocated, and first conscientiously will observe, analyze black sample or pull.Ink sample, can be scraping blade sample on wood-free writing paper, also can print pull with IGT printability instrument, and general four sections of rollers ink amount is 0.1m, two sections of roller ink amounts are 0.15ml.First to observe, analyze this pull and may be made up of the ink of which look, available copper ink tube with a scale, coarse adjustment in proportion.See that the ink pull (scraping blade) of coarse adjustment and standard keep off, and record black proportioning and ink amount.If close, then proportional numers is converted into per-cent, then uses analytical balance fine tuning; If keep off, should more rename look ink ratio, continues allotment.
2, Subtraction method
After the sample (standard color sample that client provides or keep off the black sample of standard) that settled the standard is made up of the ink of which color, find out contained ink, put on a glass with template title 10g or 5g, transfer arbitrarily ink used, when mass colour is near the mark sample, available a little black sample scraping blade, when observation complexion, background color, scraping blade, ink used will be regained.If be near the mark sample, take the degree that remaining ink amount can converse this spot ink.Then use balance fine tuning, if by nearly standard, continue allotment.
3, the blue slurry formula color scheme of light penetrated by the R type that the present invention is novel
Be the color guide of Global Access, each color standard that it provides, has numbering and inking proportioning, adopts fan-shaped bookbinding, select look efficient and convenient.To Pantome spot ink, conscientiously to observe, analyze pull, compare with Pantome company the match colors tinctorial pattern of guide, find out close tinctorial pattern, if very close, write down look sequence number and the corresponding pull comparing TCT type printing ink color matching guide, analyze the pull of two color matching guides, whether unanimously; If there is error error identifying by which proportioning ink to be caused.By the proportional numers of this pull ink can be adjusted after analysis.Allotment work can be made like this to become more relatively easy.
The operating process of light blue slurry formula allotment spot color ink penetrated by the novel R type of the present invention.
Allotment ink time to note following some.
1, take into account post-press finishing spy: when selecting ink, consider post-press finishing situation, such as: printing needs glazing, then select general ink, if select the ink that rub resistance is good, not only cost is high, and face is bright affects polishing effect.
2, similarly to mix mutually: the blending of ink should grasp blending principle of the same type as far as possible, during as allocated secondary color and secondary color, if without offset printing light quick-setting ink, can replace with offset resin type ink, but blending ratio should be noted, if resinous offset printing ink is too much, can have an impact to the characteristic of offset printing light quick-drying ink, not reach the object improving printed document quality.
Ink color knowledge tells us, and the kind of ink blending is more, and color is darker.
Therefore, with primary colors ink, secondary color ink can never be used; Never duplex color ink can be used with secondary color ink.
3, determine ink substantially: the color of pull needs plural ink assorted, judge, using which color as substantially black, to add other ink gradually; As using light color ink as substantially black, add dark colored inks gradually.Such inking amount is just unlikely to too much.
4, pull consistent in density: when mixing colours by pull, institute's inking sample will adjust inking amount when printingout, and the density of it and pull is consistent.
5, note record and calculate:
Especially, in proportion during method adjustment spot ink, the ink amount of interpolation, remaining Mo Liang etc. to be recorded at any time, be conducive to like this calculating final proportioning.
6, ink is adjusted:
When allocating spot ink, except color matching, sometimes needing to add a certain amount of auxiliary agent, changing ink to meet customer need.
7, note mode of printing and feature: during allotment ink colors, should consider mode of printing and feature, it is for quietly that oil is joined by clear and definite institute for which kind of mode of printing, and relief printing plate or lithography in this way, prints on the spot or print netting twine etc.
Because it is different that different printing processes forms ink film thickness, color is also differentiated.
Such as: for the ink to print netting twine, can background color be laid particular emphasis on when colorant match consistent; If based on the spot, complexion can be laid particular emphasis on during colorant match consistent; If both sometimes, that background color and complexion will have been taken into account.
8, paper is consistent: allotment spot ink paper used will be consistent with printing, avoids the color error caused due to paper difference.
9, pull time consistency: when providing black sample as standard specimen allotment spot color using client, standard specimen need carry out printingout with sample simultaneously and compare, and accurately could judge the color distortion between them like this.
10, weigh accurately: mix colours after finding out preliminary proportioning, balance fine tuning must be used, such guarantee ditty sample (5g), the solid colour amplifying sample (100 ~ 2000g), produce sample.And note mixing.
Spot ink is generally higher to the accuracy requirement of color, it whether qualified, be not allocate the accreditation of personnel for benchmark, but to amplify sample after printing house is printed as printing, the satisfactory degree of client is benchmark.
Except the above precaution introduced, when also can run into many specific question printing houses allotment Shiseido spot ink in real work, front and back have just adjusted three times.
This spot color ink is used to printing Shiseido handbag, will carry out aluminum coated steel after print.
Inking for the first time, black sample is wet, and the pull that client provides is dry, and color was very close at that time, latter two pull color dry can have gap; When second time joins ink, there is gap in laboratory simulation overlay film effect with at the formal overlay film of printing house, carry out again; Adjustment third time, producer changes original plan paper, causes mass colour to occur error, needs again to readjust.
Wrapped product or the front cover of books and periodicals are often made up of the even color lump of different colours or regular gradual change color lump and word, these color lumps and word can adopt the chromatography of four primaries ink to form after color separation, also can allocate spot color ink, then only print a certain spot color ink at same color lump place.When considering raising printing quality and saving chromatography number of times, sometimes spot color printing will be selected.
The ink that spot color printing mixes obtains color according to colorant subtractive-type process mixing principle, its colour brilliance is lower, saturation ratio is higher: good colour spot color block adopts field printing usually, and suitably to strengthen ink amount, when space of a whole page ink film thickness is larger, the change of ink film thickness can reduce the sensitivity level of color change, so more easily obtain good colour, and abundant printing effect.
The color lump that the blue slurry formula of light adopts four-color process process sleeve to print off penetrated by the novel R type of the present invention, because the shades of colour forming this color lump is mostly made up of a certain proportion of site, during printing net-point, ink film thickness must be subject to strict control, easily because the change of ink film thickness and the change of printing process conditions cause colour strength to change.The change of dot gain degree. thus cause color change.
And all can cause the change of this color lump color due to the change of any one color forming this color lump, cause the chance occurring bad colour to be multiplied, therefore the color lump adopting four-color process process sleeve to print off, be not easy to obtain good colour effect.If the color of this color lump can not be gone out with polychrome machine double exposure. also easily there is colour cast because half-finished color is wayward.In addition, what four-color process obtained is the subtractive-type process absorption of site and the net effect of additive color process mixing, and color lump lightness is higher, and saturation ratio is lower.For light color lump, adopt four-color process technique, because the fraction of coverage of ink to paper is low, the sensation that the flat shortage of mass colour is abundant.Due to the relation of angle of halftone screen line, people also can be inevitably allowed to feel the existence of decorative pattern.
Print big area light color evenly color lump time, be typically employed in former ink and add: in light dose allocate spot color ink, then carry out field printing, such layer of ink is thicker, becomes more readily available uniform in color, abundant effect.
If adopt four-color process technique, then must use the plain net site of low one-tenth number.
But the plain net site of low one-tenth number is easily diminished by small sand grains or bad a little individual sites site of causing of bleeding when printing down, causes bad colour: easy because the space of a whole page is for water excess again during printing.
The novel R type of the present invention is penetrated light blue slurry formula paper powder and is piled up on forme and blanket, and the reasons such as paper smoothness is low cause the ink transfer of little site bad.
Thus it is even with bad colour to occur that mass colour shoals.
For dark big area color lump, adopt four-color process technique, may need to be formed by stacking by the salty several site of varicolored height, layer of ink is too thick easily there is set-off; And adopt spot color printing technique, only need print a color, not easily occur set-off.
Adopt four-color process technique, some position of picture and text may be synthesized by a few look; And adopting spot color printing technique, corresponding position only prints a color, avoids the possibility occurring overprint error.
Consider from the angle of economic benefit, mainly see and adopt spot color printing technique can save chromatography number of times.Because reduce chromatography number of times can save printing cost, the expense made before print can be saved again.
In packages printing, general adopt two kinds of color typographies, one is normal four-color process, and yellow in namely adopting, pinkish red (or fuchsin), sky blue and tusche double exposure copy colored original; Another kind is spot color printing, only adopts other look ink beyond normal four looks to copy original copy.
When printing big area background color, comparatively conventional is spot color printing.
As comprised the picture of many different colours in fruit product original copy, just need, through electron colour scanner or color disk-top system scanning color separation, then to adopt normal four-color process technique to produce.
The printability of ink, derives from immanent structure and intrinsic physical properties thereof and chemical property.
But in application process, the checking having to pass through the whole strokes on printing press, the comprehensive drying process on stock and printing quality just can be given certainly.
Certainly, the printability of ink is not isolated, is embody under the mutual coordination of printing press, printing material and other conditions.
The novel R type of the present invention is penetrated the blue slurry formula of light and is made up of the even color lump of different colours or regular gradual change color lump and word, when consider improve printing quality and reduce chromatography number of times, sometimes can select spot color printing.
The ink that spot color printing mixes obtains color according to colorant subtractive-type process principle, and the transparency of its color is lower, and saturation ratio is higher.Good colour spot color block adopts field printing usually, and suitably will strengthen ink amount.
When space of a whole page ink film thickness is larger, the change of ink film thickness can reduce the sensitivity level of color change, so more easily obtain good colour, abundant printing effect.
Because present paper production producer state of the art is uneven, the color on the same sized paper surface of production there will be deviation more or less, or partially blue or green, or partially yellow, and this brings trouble with regard to giving the color of packages printing manufacturer control product.
If the opacity of spot color color lump rationally can be utilized rightly, just can overcome the above problems well.
The novel R type of the present invention penetrates the blue slurry formula of light as fluorescent yellow, pearl blueness, metallic gold aluminium ink etc., and it is not lean on CMYK tetra-mixture of colours out, and chromatography means color accurately.
Ink is the important materials for wrapping material printing, and pattern, the present stock curing ink of literal table are comprised main component and ancillary component by printing by it, and they mix equably and form the gluey fluid of a kind of viscosity through repeat-rolling.
Be made up of pigment, low-melting ink vehicle and auxiliary agent and solvent etc.For various printings such as books and periodicals, packing and decorating, building decorations.Along with social demand increases, ink kind and output is respective extension and growth also.
Along with the develop rapidly of Chinese national economy, the prosperity of press-packaging industry has driven the manufacturing Fast Growth of ink, China is emerged rapidly between the nearest more than ten years and becomes one of ink manufacture big country of the world, current domestic ink industry size just maintains sustained and rapid growth with the speed of more than 10%.
The ink feature of environmental protection that current domestic production goes out is not strong, and even some is below standard, and high-grade ink is under-supply in addition.
The development history of overall ink industry is positive, but some shortcomings existed and weak tendency, we also will improve and strengthen the market competitiveness of oneself, strengthen the input in science and technology of industry, strengthen the exploitation of environment-friendly ink, the development of ink should take autonomous innovation as main direction; Strengthen cultivation of ink theoretical investigation and skilled personnel etc.The enforcement of these measures, will push peak to the development of ink.
R type is penetrated light blue slurry formula color-mixed base primitive colour basic ink colors ink and is divided three classes by hybrid mode difference: primary colors ink, standard secondary color ink and standard duplex color ink.
Primary colors ink: referring to can not by other blend of colors three-colour printing ink out, as yellow, pinkish red, cyan ink.
The three primary colors of ink theoretically, mix by different ratios and mode, can mix various distinct colors, but in practice, assortedly in any case can not allot pure mass colour.
Therefore, in multicolor printing, mostly adopt Huang, magenta, green grass or young crops, black four color inks to carry out double exposure ink.
In addition, the standard of four color inks of country variant and manufacturer production is also different, and the color as offset printing light quick-drying four color ink of China is appointed as middle Huang, fuchsin, sky blue and black.
Standard secondary color ink: refer to the look ink that any two kinds of primary colors balanced mix are formed.
Standard duplex color ink: refer to the color ink that any two kinds of secondary color balanced mix or three primary colors are mixed to form in varing proportions.
It is substantially as follows that its composition of the blue slurry formula of light penetrated by the novel R type of the present invention: pigment (dyestuff) ... 10-15%
Solid resin (binder component) ... 25-35%
Auxiliary ... 0.5-4% stopping composition ... 0-15% organic solvent (volatile components) ... 40-60%
The blue slurry formula light color inks of light penetrated by the novel R type of the present invention can be divided into three kinds
1, based on rush talk agent water down type ink: it has certain transparency, the polychrome double exposure of applicable ink.
2, the extinction type ink based on chalk: there is very strong opacifying power, mass colour is more bright-coloured.General synthetic paper light color inks all uses chalk furnishing.
3, the light color inks of thinner and chalk mixing preparation is used.
Claims (9)
1. the blue slurry formula of light penetrated by the R type that the present invention is novel, and it has following four features:
Accuracy; Each chromatography has itself fixing form and aspect, so it can ensure the accuracy of color in printing, thus largely solves the problem of color transfer accuracy;
Property on the spot; Spot color generally uses look define color on the spot, and no matter how shallow this color have; Certainly, also spot color screening (Tint) can be given, to present any depth tone of spot color;
Opacity; Spot ink is a kind of ink of Covering property, and it is opaque, can carry out covering on the spot;
Performance colour gamut is wide; Color-gamut in chromatography look storehouse is very wide, has exceeded the performance colour gamut of RGB, has said nothing of CMYK color space, so, there is color CMYK four-color process ink greatly to present;
The novel R type of the present invention is penetrated the bronze of the blue slurry formula of light three primary colors mixing in varing proportions, red purple, is dared the green depth curve of olive secondary color not etc., and must correct its colour cast by complementary color theory, as too heavy in green phase, can add a small amount of red ink corrects; Red phase is too heavy, can add a small amount of blue ink and correct; Purple taste is too heavy, can add a small amount of yellow ink and correct; If deepen the concentration of tusche, can add on a small quantity dark red, penetrate light indigo plant to adjust; As in the production of offset printing tusche, the principle adjusting tusche form and aspect with pigment such as penetrating light indigo plant, everbright fast red, phthalocyanine blue is the same; Penetrating light indigo plant is commonly used in spot color ink, and it can eliminate original brown end in tusche, make tusche more deeply, denseer;
The all need of allotment of light color spot ink add punching and talk the mass colour allotment that agent or chalk carry out and be referred to as the allotment of light color ink; Allocate light spot ink and can not adopt the method adding thinner in primary colors ink, talk coloration ability in agent because primary colors is black in punching comparatively strong, and each primary colors ink tinting strength differs, and easily causes form and aspect forbidden and waste former ink.
2. correct concocting method adopts to add primary colors ink gradually in thinner, reaches after requirement until form and aspect, then the ink amount that exaggerated scale allotment needs;
Scaling method
Ink colors is allocated, and first conscientiously will observe, analyze black sample or pull; Ink sample, can be scraping blade sample on wood-free writing paper, also can print pull with IGT printability instrument, and general four sections of rollers ink amount is 0.1m, two sections of roller ink amounts are 0.15ml; First to observe, analyze this pull and may be made up of the ink of which look, available copper ink tube with a scale, coarse adjustment in proportion; See that the ink pull (scraping blade) of coarse adjustment and standard keep off, and record black proportioning and ink amount; If close, then proportional numers is converted into per-cent, then uses analytical balance fine tuning; If keep off, should more rename look ink ratio, continues allotment;
Subtraction method
After confirmed standard sample is made up of the ink of which color, find out contained ink, put on a glass with template title 10g or 5g, transfer arbitrarily ink used, when mass colour is near the mark sample, available a little black sample scraping blade, when observation complexion, background color, scraping blade, ink used will be regained; If be near the mark sample, take the degree that remaining ink amount can converse this spot ink; Then use balance fine tuning, if by nearly standard, continue allotment;
The blue slurry formula color scheme of light penetrated by the novel R type of the present invention
Be the color guide of Global Access, each color standard that it provides, has numbering and inking proportioning, adopts fan-shaped bookbinding, select look efficient and convenient; Find out close tinctorial pattern, if very close, write down look sequence number and the corresponding pull comparing TCT type printing ink color matching guide, analyze the pull of two color matching guides, whether unanimously; If there is error error identifying by which proportioning ink to be caused; By the proportional numers of this pull ink can be adjusted after analysis.
3. the operating process of light blue slurry formula allotment spot color ink penetrated by the R type that the present invention is novel;
Allotment ink time to note following some;
Take into account post-press finishing spy: when selecting ink, consider post-press finishing situation, such as: printing needs glazing, then select general ink, if select the ink that rub resistance is good, not only cost is high, and face is bright affects polishing effect;
Similarly to mix mutually: the blending of ink should grasp blending principle of the same type as far as possible, during as allocated secondary color and secondary color, if without offset printing light quick-setting ink, can replace with offset resin type ink, but blending ratio should be noted, if resinous offset printing ink is too much, can have an impact to the characteristic of offset printing light quick-drying ink, not reach the object improving printed document quality;
Ink color knowledge tells us, and the kind of ink blending is more, and color is darker;
Therefore, with primary colors ink, secondary color ink can never be used; Never duplex color ink can be used with secondary color ink;
Determine ink substantially: the color of pull needs plural ink assorted, judge, using which color as substantially black, to add other ink gradually; As using light color ink as substantially black, add dark colored inks gradually; Such inking amount is just unlikely to too much;
Pull consistent in density: when mixing colours by pull, institute's inking sample will adjust inking amount when printingout, and the density of it and pull is consistent;
Note record and calculate:
Especially, in proportion during method adjustment spot ink, the ink amount of interpolation, remaining Mo Liang etc. to be recorded at any time, be conducive to calculating final proportioning like this;
Adjustment ink:
When allocating spot ink, except color matching, sometimes needing to add a certain amount of auxiliary agent, changing ink to meet customer need;
Note mode of printing and feature: during allotment ink colors, should consider mode of printing and feature, it is for quietly that oil is joined by clear and definite institute for which kind of mode of printing, and relief printing plate or lithography in this way, prints on the spot or print netting twine etc.;
Because it is different that different printing processes forms ink film thickness, color is also differentiated;
Such as: for the ink to print netting twine, can background color be laid particular emphasis on when colorant match consistent; If based on the spot, complexion can be laid particular emphasis on during colorant match consistent; If both sometimes, that background color and complexion will have been taken into account;
Paper is consistent: allotment spot ink paper used will be consistent with printing, avoids the color error caused due to paper difference;
Pull time consistency: when providing black sample as standard specimen allotment spot color using client, standard specimen need carry out printingout with sample simultaneously and compare, and accurately could judge the color distortion between them like this;
Weigh accurately: mix colours after finding out preliminary proportioning, balance fine tuning must be used, such guarantee ditty sample (5g), the solid colour amplifying sample (100 ~ 2000g), produce sample; And note mixing.
4. spot ink is generally higher to the accuracy requirement of color, it whether qualified, be not allocate the accreditation of personnel for benchmark, but to amplify sample after printing house is printed as printing, the satisfactory degree of client is benchmark;
This spot color ink is used to printing Shiseido handbag, will carry out aluminum coated steel after print;
Inking for the first time, black sample is wet, and the pull that client provides is dry, and color was very close at that time, latter two pull color dry can have gap; When second time joins ink, there is gap in laboratory simulation overlay film effect with at the formal overlay film of printing house, carry out again; Adjustment third time, producer changes original plan paper, causes mass colour to occur error, needs again to readjust;
Wrapped product or the front cover of books and periodicals are often made up of the even color lump of different colours or regular gradual change color lump and word, these color lumps and word can adopt the chromatography of four primaries ink to form after color separation, also can allocate spot color ink, then only print a certain spot color ink at same color lump place; When considering raising printing quality and saving chromatography number of times, sometimes spot color printing will be selected;
The ink that spot color printing mixes obtains color according to colorant subtractive-type process mixing principle, its colour brilliance is lower, saturation ratio is higher: good colour spot color block adopts field printing usually, and suitably to strengthen ink amount, when space of a whole page ink film thickness is larger, the change of ink film thickness can reduce the sensitivity level of color change, so more easily obtain good colour, and abundant printing effect.
5. the color lump that the blue slurry formula of light adopts four-color process process sleeve to print off penetrated by the R type that the present invention is novel, because the shades of colour forming this color lump is mostly made up of a certain proportion of site, during printing net-point, ink film thickness must be subject to strict control, easily because the change of ink film thickness and the change of printing process conditions cause colour strength to change; The change of dot gain degree. thus cause color change;
And all can cause the change of this color lump color due to the change of any one color forming this color lump, cause the chance occurring bad colour to be multiplied, therefore the color lump adopting four-color process process sleeve to print off, be not easy to obtain good colour effect; If the color of this color lump can not be gone out with polychrome machine double exposure. also easily there is colour cast because half-finished color is wayward; In addition, what four-color process obtained is the subtractive-type process absorption of site and the net effect of additive color process mixing, and color lump lightness is higher, and saturation ratio is lower; For light color lump, adopt four-color process technique, because the fraction of coverage of ink to paper is low, the sensation that the flat shortage of mass colour is abundant; Due to the relation of angle of halftone screen line, people also can be inevitably allowed to feel the existence of decorative pattern;
Print big area light color evenly color lump time, be typically employed in former ink and add: in light dose allocate spot color ink, then carry out field printing, such layer of ink is thicker, becomes more readily available uniform in color, abundant effect;
If adopt four-color process technique, then must use the plain net site of low one-tenth number;
But the plain net site of low one-tenth number is easily diminished by small sand grains or bad a little individual sites site of causing of bleeding when printing down, causes bad colour: easy because the space of a whole page is for water excess again during printing;
The novel R type of the present invention is penetrated light blue slurry formula paper powder and is piled up on forme and blanket, and the reasons such as paper smoothness is low cause the ink transfer of little site bad.
6. adopt four-color process technique, some position of picture and text may be synthesized by a few look; And adopting spot color printing technique, corresponding position only prints a color, avoids the possibility occurring overprint error;
Consider from the angle of economic benefit, mainly see and adopt spot color printing technique can save chromatography number of times; Because reduce chromatography number of times can save printing cost, the expense made before print can be saved again;
In packages printing, general adopt two kinds of color typographies, one is normal four-color process, and yellow in namely adopting, pinkish red (or fuchsin), sky blue and tusche double exposure copy colored original; Another kind is spot color printing, only adopts other look ink beyond normal four looks to copy original copy;
When printing big area background color, comparatively conventional is spot color printing;
As comprised the picture of many different colours in fruit product original copy, just need, through electron colour scanner or color disk-top system scanning color separation, then to adopt normal four-color process technique to produce;
The printability of ink, derives from immanent structure and intrinsic physical properties thereof and chemical property;
But in application process, the checking having to pass through the whole strokes on printing press, the comprehensive drying process on stock and printing quality just can be given certainly;
Certainly, the printability of ink is not isolated, is embody under the mutual coordination of printing press, printing material and other conditions;
The novel R type of the present invention is penetrated the blue slurry formula of light and is made up of the even color lump of different colours or regular gradual change color lump and word, when consider improve printing quality and reduce chromatography number of times, sometimes can select spot color printing;
The ink that spot color printing mixes obtains color according to colorant subtractive-type process principle, and the transparency of its color is lower, and saturation ratio is higher; Good colour spot color block adopts field printing usually, and suitably will strengthen ink amount;
When space of a whole page ink film thickness is larger, the change of ink film thickness can reduce the sensitivity level of color change, so more easily obtain good colour, abundant printing effect.
7. the paper production producer state of the art due to present is uneven, and the color on the same sized paper surface of production there will be deviation more or less, or partially blue or green, or partially yellow, and this brings trouble with regard to giving the color of packages printing manufacturer control product;
If the opacity of spot color color lump rationally can be utilized rightly, just can overcome the above problems well;
The novel R type of the present invention penetrates the blue slurry formula of light as fluorescent yellow, pearl blueness, metallic gold aluminium ink etc., and it is not lean on CMYK tetra-mixture of colours out, and chromatography means color accurately;
Ink is the important materials for wrapping material printing, and pattern, the present stock curing ink of literal table are comprised main component and ancillary component by printing by it, and they mix equably and form the gluey fluid of a kind of viscosity through repeat-rolling;
Be made up of pigment, low-melting ink vehicle and auxiliary agent and solvent etc.; For various printings such as books and periodicals, packing and decorating, building decorations; Along with social demand increases, ink kind and output is respective extension and growth also;
Along with the develop rapidly of Chinese national economy, the prosperity of press-packaging industry has driven the manufacturing Fast Growth of ink, China is emerged rapidly between the nearest more than ten years and becomes one of ink manufacture big country of the world, current domestic ink industry size just maintains sustained and rapid growth with the speed of more than 10%.
8. the development history of overall ink industry is positive, but some shortcomings existed and weak tendency, we also will improve and strengthen the market competitiveness of oneself, strengthen the input in science and technology of industry, strengthen the exploitation of environment-friendly ink, the development of ink should take autonomous innovation as main direction; Strengthen cultivation of ink theoretical investigation and skilled personnel etc.; The enforcement of these measures, will push peak to the development of ink;
R type is penetrated light blue slurry formula color-mixed base primitive colour basic ink colors ink and is divided three classes by hybrid mode difference: primary colors ink, standard secondary color ink and standard duplex color ink;
Primary colors ink: referring to can not by other blend of colors three-colour printing ink out, as yellow, pinkish red, cyan ink;
The three primary colors of ink theoretically, mix by different ratios and mode, can mix various distinct colors, but in practice, assortedly in any case can not allot pure mass colour;
Therefore, in multicolor printing, mostly adopt Huang, magenta, green grass or young crops, black four color inks to carry out double exposure ink;
In addition, the standard of four color inks of country variant and manufacturer production is also different, and the color as offset printing light quick-drying four color ink of China is appointed as middle Huang, fuchsin, sky blue and black;
Standard secondary color ink: refer to the look ink that any two kinds of primary colors balanced mix are formed.
9. standard duplex color ink: refer to the color ink that any two kinds of secondary color balanced mix or three primary colors are mixed to form in varing proportions;
It is substantially as follows that its composition of the blue slurry formula of light penetrated by the novel R type of the present invention: pigment (dyestuff) ... 10-15%
Solid resin (binder component) ... 25-35%
Auxiliary ... 0.5-4% stopping composition ... 0-15% organic solvent (volatile components) ... 40-60%
The blue slurry formula light color inks of light penetrated by the novel R type of the present invention can be divided into three kinds
Based on rush talk agent water down type ink: it has certain transparency, the polychrome double exposure of applicable ink;
Extinction type ink based on chalk: there is very strong opacifying power, mass colour is more bright-coloured; General synthetic paper light color inks all uses chalk furnishing;
By the light color inks of thinner and chalk mixing preparation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110744939A (en) * | 2019-11-15 | 2020-02-04 | 东莞市美盈森环保科技有限公司 | Natural-color kraft paper high-saturation color printing process |
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| CN111002733A (en) * | 2019-12-23 | 2020-04-14 | 北京印刷学院 | Method for reducing color difference of printing color of ultraviolet fluorescent ink |
| CN111873653A (en) * | 2020-08-06 | 2020-11-03 | 美盈森集团股份有限公司 | Printing process with three-dimensional gradient effect |
| CN114950249A (en) * | 2021-02-26 | 2022-08-30 | 广州市轻工职业学校 | Special color ink blending method |
| CN113650433A (en) * | 2021-09-03 | 2021-11-16 | 安徽紫金新材料科技股份有限公司 | Standardized color matching method for plastic film printing |
| CN114018928A (en) * | 2021-11-26 | 2022-02-08 | 国检中心深圳珠宝检验实验室有限公司 | Emerald green color grading liquid standard sample and preparation method thereof |
| CN115829861A (en) * | 2022-11-02 | 2023-03-21 | 上海傲显科技有限公司 | Image color enhancement method and image color enhancement device |
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