CN101788460A - Method for detecting color change of note ink - Google Patents
Method for detecting color change of note ink Download PDFInfo
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- CN101788460A CN101788460A CN201010120068A CN201010120068A CN101788460A CN 101788460 A CN101788460 A CN 101788460A CN 201010120068 A CN201010120068 A CN 201010120068A CN 201010120068 A CN201010120068 A CN 201010120068A CN 101788460 A CN101788460 A CN 101788460A
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Abstract
The invention relates to a method for detecting the color change of note ink. The method comprises the following steps: selecting an original ink sample and an ink sample influenced by printing conditions, putting 0.15-0.20g of original ink at the center of a coverslip as the standard ink sample, enclosing the original ink sample by using a copper band with a handle, covering an identical coverslip on the original ink sample, arranging a 50g weight on the coverslip for 1-2 minutes, testing the prepared original ink sample by using a colorimeter recording tristimulus values, lightness, brightness, saturation and other related color testing indexes of the original ink sample, preparing the ink sample influenced by the printing conditions by using the same method, measuring color indexes of the ink sample influenced by the printing conditions, and testing the color differential value of the ink sample influenced by the printing conditions by using the original sample as the standard sample. The method has the advantages of being capable of predicting the color change conditions of the ink which possibly occur in the printing process, being especially beneficial to acquiring the ink color change data when preparing the sample so that the subsequent production according to the sample is traceable, and achieving the goal of production according to the sample by adjusting the printing conditions.
Description
Technical field
The present invention relates to a kind of method that mass colour changes that detects, relate in particular to a kind of method that money printing ink mass colour changes that detects.
Background technology
The quality of a printed matter and observability, authenticity depend primarily on the color effects that the printing ink mass colour is reflected.Thereby should be a vital link in the printing process to the control of printing ink mass colour, it is one of important indicator of printing ink being carried out quality control that the printing ink mass colour detects, detect money printing ink mass colour and change different and social chromatography printing (adopting Huang, product, blue or green process colour ink) of the printing of general glue seal, the money offset printing mostly is the lines printing, folded look less, what printing ink adopted is spot ink, a kind often has the spot ink of the different mass colours of kind more than ten, also have every typographies such as looks in printing process, the printing ink mass colour is subjected to the influence of printing condition bigger.Common detection method is the former China ink before printing to be carried out mass colour detect, and its index can not truly reflect the intensity of variation of printing ink mass colour in the printing process.Though be to produce by specimen page, if bigger variation has taken place the printing condition of the printing condition during daily production when drawing a design, the printing ink mass colour will have greatly changed so, often make printing when producing to not going up specimen page.
Summary of the invention
The object of the present invention is to provide a kind of method that money printing ink mass colour changes that detects, in the printing ink mass colour detects, introduced the printing condition variable, can predict the situation of change of printing ink mass colour in printing process preferably; Also can directly taking a sample from the printing board simultaneously, (this black sample is influenced by multiple printing condition, black sample in the non-ink fountain) after, adopt this method and former China ink to carry out the mass colour contrast test, grasp the intensity of variation of mass colour, carry out in good time printing condition adjustment according to the requirement of specimen page.
The present invention is achieved like this, it is characterized in that detection method is: choose two black samples and be respectively former China ink and the black sample that influenced by printing condition, at first place the former China ink of 0.15-0.20g as standard China ink sample in a slice cover glass central authorities, and with the black sample circle of former China ink firmly with a band handle copper band, after adding a cover the same cover glass of a slice on the black sample of former China ink, the last heavy counterweight of a 50g of pressing, suppress after 1-2 minute, the black sample of former China ink that makes is tested with colour photometer, write down its tristimulus values and lightness, brightness, relevant colors test indexs such as degree of saturation, then, the black sample that influenced by printing condition is adopted above-mentioned identical method sample preparation, and survey its colour index, be standard specimen with the former state, and test out and be subjected to printing condition to influence the value of chromatism of black sample.
Black sample of the present invention is a printing ink, the preferred offset ink of printing ink, gravure ink, letterpress printing ink.
Colour photometer test of the present invention, its colour examining condition is: wavelength coverage is between 360-700nm, and the wavelength resolution is not less than 10nm; Adopt the D65 standard illuminants, the d/0 observation condition that throws light on, 10 ° of field angle comprise bright luster; Two kinds of 6.6mm or 9mm can be selected in the colour examining aperture; The aberration computing formula adopts the CIE1976 standard.
Advantage of the present invention is: can predict printing ink contingent mass colour situation of change in printing process, be particularly conducive to the printing ink mass colour delta data of gathering when drawing a design, make having good grounds subsequently, and can reach the purpose of producing by adjusting printing condition by sample by sample production.
Embodiment
Embodiment 1
Choose two black samples and be respectively offset ink and the black sample that influenced by printing condition, at first (2.2cm * 2.2cm) the 0.15g offset ink is placed as standard China ink sample by central authorities at a slice cover glass, and with the offset ink circle firmly with a band handle copper band, after adding a cover the same cover glass of a slice on the offset ink, the last heavy counterweight of a 50g of pressing was suppressed after 1 minute, with the used for offset ink colour photometer test that makes, the colour examining condition is: wavelength 360nm, wavelength resolution 10nm; Adopt the D65 standard illuminants, the d/0 observation condition that throws light on, 10 ° of field angle comprise bright luster; 6.6mm is selected in the colour examining aperture; The aberration computing formula adopts the CIE1976 standard, write down relevant colors test indexs such as its tristimulus values and lightness, brightness, degree of saturation, then, the black sample that influenced by printing condition is adopted above-mentioned identical method sample preparation, and survey its colour index, with the former state is standard specimen, and tests out and be subjected to printing condition to influence the value of chromatism of black sample.
Embodiment 2
Choose two black samples and be respectively gravure ink and the black sample that influenced by printing condition, at first (2.2cm * 2.2cm) the 0.20g gravure ink is placed as standard China ink sample by central authorities at a slice cover glass, and with the gravure ink circle firmly with a band handle copper band, after adding a cover the same cover glass of a slice on the gravure ink, the last heavy counterweight of a 50g of pressing was suppressed after 2 minutes, and the gravure ink that makes is tested with colour photometer, the colour examining condition is: wavelength 700nm, wavelength resolution 12nm; Adopt the D65 standard illuminants, the d/0 observation condition that throws light on, 10 ° of field angle comprise bright luster; 9mm is selected in the colour examining aperture; The aberration computing formula adopts the CIE1976 standard, write down relevant colors test indexs such as its tristimulus values and lightness, brightness, degree of saturation, then, the black sample that influenced by printing condition is adopted above-mentioned identical method sample preparation, and survey its colour index, with the former state is standard specimen, and tests out and be subjected to printing condition to influence the value of chromatism of black sample.
Embodiment 3
Choose two black samples and be respectively letterpress printing ink and the black sample that influenced by printing condition, at first (2.2cm * 2.2cm) the 1.18g letterpress printing ink is placed as standard China ink sample by central authorities at a slice cover glass, and with the letterpress printing ink circle firmly with a band handle copper band, after adding a cover the same cover glass of a slice on the letterpress printing ink, the last heavy counterweight of a 50g of pressing was suppressed after 1.5 minutes, and the letterpress printing ink that makes is tested with colour photometer, the colour examining condition is: wavelength 600nm, wavelength resolution 13nm; Adopt the D65 standard illuminants, the d/0 observation condition that throws light on, 10 ° of field angle comprise bright luster; 9mm is selected in the colour examining aperture; The aberration computing formula adopts the CIE1976 standard, write down relevant colors test indexs such as its tristimulus values and lightness, brightness, degree of saturation, then, the black sample that influenced by printing condition is adopted above-mentioned identical method sample preparation, and survey its colour index, with the former state is standard specimen, and tests out and be subjected to printing condition to influence the value of chromatism of black sample.
Claims (3)
1. one kind is detected the method that money printing ink mass colour changes, it is characterized in that detection method is: choose two black samples and be respectively former China ink and the black sample that influenced by printing condition, at first place the former China ink of 0.15-0.20g as standard China ink sample in a slice cover glass central authorities, and with the black sample circle of former China ink firmly with a band handle copper band, after adding a cover the same cover glass of a slice on the black sample of former China ink, the last heavy counterweight of a 50g of pressing, suppress after 1-2 minute, the black sample of former China ink that makes is tested with colour photometer, write down its tristimulus values and lightness, brightness, relevant colors test indexs such as degree of saturation, then, the black sample that influenced by printing condition is adopted above-mentioned identical method sample preparation, and survey its colour index, be standard specimen with the former state, and test out and be subjected to printing condition to influence the value of chromatism of black sample.
2. a kind of method that money printing ink mass colour changes that detects according to claim 1 is characterized in that described black sample is a printing ink, the preferred offset ink of printing ink, gravure ink, letterpress printing ink.
3. a kind of method that money printing ink mass colour changes that detects according to claim 1 is characterized in that described colour photometer test, and its colour examining condition is: wavelength coverage is between 360-700nm, and the wavelength resolution is not less than 10nm; Adopt the D65 standard illuminants, the d/0 observation condition that throws light on, 10 ° of field angle comprise bright luster; Two kinds of 6.6mm or 9mm can be selected in the colour examining aperture; The aberration computing formula adopts the CIE1976 standard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101200685A CN101788460B (en) | 2010-02-05 | 2010-02-05 | Method for detecting color change of note ink |
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| CN2010101200685A CN101788460B (en) | 2010-02-05 | 2010-02-05 | Method for detecting color change of note ink |
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| CN101788460A true CN101788460A (en) | 2010-07-28 |
| CN101788460B CN101788460B (en) | 2012-05-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063581A (en) * | 2012-12-27 | 2013-04-24 | 茂名阪田油墨有限公司 | Simple detection method for ink hue |
| CN103344571A (en) * | 2013-06-17 | 2013-10-09 | 中国人民银行印制科学技术研究所 | Method and device for evaluating tolerance quality of negotiable securities |
| CN111504919A (en) * | 2017-11-20 | 2020-08-07 | 甘肃烟草工业有限责任公司 | Method for acquiring color-changing critical temperature range of tipping paper printed by thermosensitive color-changing ink |
| CN114308735A (en) * | 2021-12-30 | 2022-04-12 | 西安诺瓦星云科技股份有限公司 | Display module ink color detection and sorting method, device and system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820310B2 (en) * | 1983-06-14 | 1996-03-04 | 住友化学工業株式会社 | Dye color difference measurement method |
| CN1030978A (en) * | 1988-05-24 | 1989-02-08 | 刘学军 | The color matching forecast method |
| CN200965516Y (en) * | 2006-05-30 | 2007-10-24 | 东莞市永盛印刷机械有限公司 | An ink color detector |
| JP4775572B2 (en) * | 2006-08-03 | 2011-09-21 | 独立行政法人科学技術振興機構 | Pigment identification method |
| US20080160620A1 (en) * | 2006-12-28 | 2008-07-03 | United Technologies Corporation | Method for quantitatively determining the dye content in dyed oils |
| CN101604151B (en) * | 2009-06-29 | 2011-07-20 | 杭州电子科技大学 | Detection control method used in printing color |
-
2010
- 2010-02-05 CN CN2010101200685A patent/CN101788460B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063581A (en) * | 2012-12-27 | 2013-04-24 | 茂名阪田油墨有限公司 | Simple detection method for ink hue |
| CN103063581B (en) * | 2012-12-27 | 2015-01-07 | 茂名阪田油墨有限公司 | Simple detection method for ink hue |
| CN103344571A (en) * | 2013-06-17 | 2013-10-09 | 中国人民银行印制科学技术研究所 | Method and device for evaluating tolerance quality of negotiable securities |
| CN103344571B (en) * | 2013-06-17 | 2016-05-04 | 中国人民银行印制科学技术研究所 | A kind of marketable securities patience quality evaluating method and device |
| CN111504919A (en) * | 2017-11-20 | 2020-08-07 | 甘肃烟草工业有限责任公司 | Method for acquiring color-changing critical temperature range of tipping paper printed by thermosensitive color-changing ink |
| CN114308735A (en) * | 2021-12-30 | 2022-04-12 | 西安诺瓦星云科技股份有限公司 | Display module ink color detection and sorting method, device and system |
| CN114308735B (en) * | 2021-12-30 | 2024-05-10 | 西安诺瓦星云科技股份有限公司 | Ink color detection and sorting method, system and equipment for display module |
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| CN101788460B (en) | 2012-05-02 |
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Address after: Kaixuan Building, No. 143 A, Xizhimenwai Street, Xicheng District, Beijing 100032 Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100044 No. 143, Xizhimen Avenue, Xicheng District, Beijing Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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