CN110633536B - Method for improving metameric performance by using computer system - Google Patents
Method for improving metameric performance by using computer system Download PDFInfo
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- CN110633536B CN110633536B CN201910894596.7A CN201910894596A CN110633536B CN 110633536 B CN110633536 B CN 110633536B CN 201910894596 A CN201910894596 A CN 201910894596A CN 110633536 B CN110633536 B CN 110633536B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000003086 colorant Substances 0.000 claims abstract description 77
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000004040 coloring Methods 0.000 claims description 27
- 238000005507 spraying Methods 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000010985 leather Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Primary Health Care (AREA)
- Strategic Management (AREA)
- Economics (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Tourism & Hospitality (AREA)
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Abstract
The invention discloses a method for improving metameric performance by using a computer system, which comprises the following steps of S1: inputting the color characteristics of the single colors of the colorants into a computer system for storage, and step S2: the preferred colorant regimen is obtained by computer analysis processing after receiving the standard sample, step S3: the standard is colored after determining the preferred colorant regimen. The invention discloses a method for improving metameric performance by using a computer system, which is characterized in that coloring agents are sorted by depending on the rapid searching and calculating functions of a computer.
Description
Technical Field
The invention belongs to the technical field of computer systems, and particularly relates to a method for improving metameric performance by using a computer system.
Background
In the whole leather industry, all manufacturers including clothing, shoe uppers, sofa leather or cushion leather can know the color metamerism to a certain extent, and in short, the color information obtained by different people, different time and different environments is inconsistent. Therefore, metamerism becomes a difficulty in terms of color.
In the automotive interior, a plurality of parts are combined, each part needs to be matched with each other in color, and different materials with the same color need to be uniform in color under different light sources, so that color control and a standard color card cannot have metamerism phenomenon in the production process, the color adjustment process needs to be completely qualified under the condition that a plurality of required light sources are compared when a technician adjusts the color, and if the metamerism phenomenon exists, the different colors are displayed under different light sources, the adjustment is needed.
In actual production, technicians are required to test the colorants one by one to see which colorants exhibit consistent color characteristics relative to standard color cards under the required plurality of standard light sources. The step not only consumes a great deal of manpower and raw materials, but also delays production and affects the exchange period, and the physical properties of leather are affected due to excessive coloring agents added into the materials during color mixing, so that the reworking and quality cost of the leather are caused.
Disclosure of Invention
The invention mainly aims at providing a method for improving metameric performance by using a computer system, which is characterized in that the method relies on the rapid searching and calculating functions of a computer to sort coloring agents.
It is another object of the present invention to provide a method for improving metameric performance using a computer system that can pick the color formula, including the name of the colorant and its proportion, that is most suitable for standard colors under a specified light source.
It is another object of the present invention to provide a method for improving metameric performance using a computer system that has the advantages of saving toning time and making accurate high quality products.
To achieve the above object, the present invention provides a method for improving metameric performance by using a computer system, comprising the steps of:
Step S1: inputting the color characteristics of the single colors of the colorants into a computer system for storage;
Step S2: the optimized colorant scheme is obtained by computer analysis processing after receiving a standard sample;
Step S3: the standard is colored after determining the preferred colorant regimen.
As a further preferable embodiment of the above-described technical solution, the color characteristic includes different spectral data appearing at the wavelength of each standard light source.
As a further preferable embodiment of the above technical scheme, the wavelength is 370nm to 640nm.
As a further preferable technical solution of the above technical solution, step S2 is specifically implemented as the following steps:
step S2.1: naming the standard sample and determining the standard light source to be selected;
step S2.2: selecting different colorants and allowing a computer to perform matching analysis to generate different colorant schemes;
step S2.3: the trial computer matches the analyzed preferred colorant regimen and makes adjustments.
As a further preferable embodiment of the above-described technical solution, the standard light source includes natural light.
As a further preferable technical solution of the above technical solution, step S2.2 is specifically implemented as the following steps:
step S2.2.1: selecting all colorants within the computer system and letting the computer perform a matching analysis to generate different colorant solutions;
Step S2.2.2: selecting a portion of the colorants within the computer system and having the computer perform a matching analysis to generate different colorant solutions;
step S2.2.3: the colorant schemes are ordered from good to bad.
As a further preferable embodiment of the above-mentioned embodiment, step S2.3 is implemented as the following steps:
step S2.3.1: spraying or rolling the standard sample with a preferred colorant;
Step S2.3.2: comparing the standard sample with the measured values of known standard colors after spraying or rolling a layer of the paint to judge the approaching degree of the standard sample and the standard colors under each standard light source;
Step S2.3.3: and enabling the computer to automatically correct according to the proximity degree of the standard sample and the standard color under each standard light source.
As a further preferable technical solution of the above technical solution, the step S3 is specifically implemented as the following steps:
Step S3.1: coloring a base slurry layer of the standard sample;
Step S3.2: coloring a coloring layer on the standard sample;
step S3.3: and (5) carrying out top-light layer coloring on the standard sample.
As a further preferable embodiment of the above technical solution, the primer layer includes a resin, an auxiliary agent, and a preferable colorant selected from a computer, and the primer layer is colored by roll coating.
As a further preferable mode of the above-mentioned mode, the coloring layer includes a resin, an auxiliary agent, and a preferable colorant selected from a computer, and the coloring layer is colored by spraying; the top-light layer comprises a colorant, resin, a handfeel agent and a cross-linking agent, and is colored by spraying.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
In preferred embodiments of the present invention, it should be noted by those skilled in the art that roll coating, spray coating, etc. to which the present invention relates may be considered prior art.
Preferred embodiments.
The invention discloses a method for improving metameric performance by using a computer system, which comprises the following steps:
step S1: inputting the color characteristics of the single colors of all the colorants into a computer system for storage, wherein the input requirements of the color characteristics are accurate and comprehensive;
Step S2: the optimized colorant scheme is obtained by computer analysis processing after receiving a standard sample;
Step S3: the standard is colored after determining the preferred colorant regimen.
In particular, the color characteristics include different spectral data that are revealed at the wavelengths of each standard light source.
More specifically, the wavelength is 370nm to 640nm.
Further, the step S2 is specifically implemented as the following steps:
step S2.1: naming the standard sample and determining the standard light source (including natural light) to be selected;
step S2.2: selecting different colorants and allowing a computer to perform matching analysis to generate different colorant schemes;
step S2.3: the trial computer matches the analyzed preferred colorant regimen and makes adjustments.
Furthermore, the standard light source comprises natural light (D65 can be selected, a tungsten lamp can be filtered, and the color temperature is 6500K to simulate north sky sunlight), and the qualification of any product under the natural light is the most basic requirement.
Preferably, step S2.2 is implemented as the following steps:
step S2.2.1: selecting all colorants within the computer system and letting the computer perform a matching analysis to generate different colorant solutions;
Step S2.2.2: selecting a portion of the colorants within the computer system and having the computer perform a matching analysis to generate different colorant solutions;
Step S2.2.3: the colorant solutions are ranked from good to bad (by overall cost, hiding performance of each colorant, etc.).
Preferably, step S2.3 is implemented as the following steps:
step S2.3.1: spraying or rolling the standard sample with a preferred colorant;
Step S2.3.2: comparing the standard sample with the measured values of known standard colors after spraying or rolling a layer of the paint to judge the approaching degree of the standard sample and the standard colors under each standard light source;
Step S2.3.3: and enabling the computer to automatically correct according to the proximity degree of the standard sample and the standard color under each standard light source.
It should be noted that the step S3 is specifically implemented as the following steps:
Step S3.1: the standard sample is colored by a primer layer, the coloring process needs to be uniform and consistent, and the surface cannot be patterned (especially bright and light colors);
step S3.2: coloring the standard sample by using a coloring layer, wherein the coloring process needs to be uniform and consistent, and the surface cannot be patterned (especially bright and light colors);
Step S3.3: the standard sample is subjected to top light layer coloring, the coloring process needs to be uniform, and the surface cannot be patterned (especially bright and light colors).
Preferably, the base coat comprises colorants, resins, adjuvants and preferred colorants selected by the computer (best metameric scheme), including materials and proportions, the base coat being pigmented by roll coating, preferably in an amount of 7-8G/SF.
Preferably, the base stock layer is colored and then embossed and the colored layer is colored.
Preferably, the coloring layer comprises a colorant, a resin, an auxiliary agent and a preferred colorant selected by a computer (optimal metamerism scheme), the coloring layer is colored by spraying, the spraying amount is preferably 2-2.5G/SF, the detection of the hiding power is carried out after the coloring layer is colored, and the metamerism condition is checked and then can be corrected according to a computer test; the top light layer comprises a colorant, resin, a handfeel agent and a cross-linking agent, the top light layer is colored through spraying, the spraying amount is preferably 2-2.5G/SF, after the top light layer is colored, the covering property is detected, the metamerism condition is checked, then the correction can be carried out according to a computer test, and the spraying times can be determined according to different performance requirements of a host factory.
Preferably, the process of coloring the standard sample is a process of metamerism adjustment, the metamerism adjustment cannot be completely based on the coloring of the top light layer, when the coloring layer needs to be adjusted to be optimal, because the content of the coloring agent in the coloring layer is higher (14-18% is easy to adjust), and the content of the coloring agent in the top light layer is lower (0.5-2%), if the coloring agent is strongly changed on the top light layer, the difference between the coloring layer and the top light layer is large, so that the coverage is insufficient, and the situation that the difference of data of each point is large may occur.
Preferably, the principle of the present invention is that different object surfaces have different reflectivities for different light sources and different light waves so as to present different colors, and the expression form of the wavelength is the spectrum data. Therefore, the performance of the metamerism can be clarified by comparing the spectrum data under different light sources, and the product which is most matched with the spectrum data can be found out for quick correction by analyzing the database.
It should be noted that the technical features of roll coating, spraying, etc. related to the present application should be regarded as the prior art, and the specific structure, working principle, and control manner and spatial arrangement that may be related to the technical features should be selected conventionally in the art, and should not be regarded as the point of the present application, where the present application is not further specifically developed.
Modifications of the embodiments described above, or equivalents of some of the features may be made by those skilled in the art, and any modifications, equivalents, improvements or etc. within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A method for improving metameric performance by using a computer system for selecting a colorant formulation based on a fast search and calculation function of the computer, comprising the steps of:
Step S1: inputting the color characteristics of the single colors of the colorants into a computer system for storage;
Step S2: the optimized colorant scheme is obtained by computer analysis processing after receiving a standard sample;
the step S2 is specifically implemented as the following steps:
step S2.1: naming the standard sample and determining the standard light source to be selected;
step S2.2: selecting different colorants and allowing a computer to perform matching analysis to generate different colorant schemes;
Step S2.3: the trial computer matches the analyzed preferred colorant solutions and makes adjustments;
Step S3: coloring the standard sample after determining the preferred colorant scheme;
The step S3 is specifically implemented as the following steps:
Step S3.1: coloring a base slurry layer of the standard sample;
Step S3.2: coloring a coloring layer on the standard sample;
Step S3.3: performing top light layer coloring on the standard sample;
Detecting the covering property and checking the metameric condition after coloring the colored layer, and then testing and correcting according to a computer;
detecting the covering property and checking the metameric condition after the top light layer is colored, and then testing and correcting according to a computer or determining the spraying times according to different performance requirements of a host factory;
The process of coloring the standard sample is the process of metamerism adjustment.
2. A method of enhancing metameric performance using a computer system according to claim 1, wherein the color characteristics comprise different spectral data developed at each standard light source wavelength.
3. A method for improving metameric performance using a computer system according to claim 2, wherein the wavelength is from 370nm to 640nm.
4. The method of claim 1, wherein the standard light source comprises natural light.
5. The method for improving metameric performance using a computer system according to claim 1, wherein step S2.2 is implemented as the steps of:
step S2.2.1: selecting all colorants within the computer system and letting the computer perform a matching analysis to generate different colorant solutions;
Step S2.2.2: selecting a portion of the colorants within the computer system and having the computer perform a matching analysis to generate different colorant solutions;
step S2.2.3: the colorant schemes are ordered from good to bad.
6. A method for improving metameric performance using a computer system according to claim 1, wherein step S2.3 is implemented as the steps of:
step S2.3.1: spraying or rolling the standard sample with a preferred colorant;
Step S2.3.2: comparing the standard sample with the measured values of known standard colors after spraying or rolling a layer of the paint to judge the approaching degree of the standard sample and the standard colors under each standard light source;
Step S2.3.3: and enabling the computer to automatically correct according to the proximity degree of the standard sample and the standard color under each standard light source.
7. A method for improving metameric performance using a computer system according to claim 1, wherein the primer layer comprises a resin, an auxiliary agent and a preferred colorant selected from the group consisting of a computer, and the primer layer is colored by roll coating.
8. A method of improving metameric performance using a computer system according to claim 1, wherein the coloured layer comprises a resin, an auxiliary agent and a preferred colorant selected from the group consisting of a computer, the coloured layer being coloured by spraying; the top-light layer comprises a colorant, resin, a handfeel agent and a cross-linking agent, and is colored by spraying.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910894596.7A CN110633536B (en) | 2019-09-20 | 2019-09-20 | Method for improving metameric performance by using computer system |
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| CN201910894596.7A CN110633536B (en) | 2019-09-20 | 2019-09-20 | Method for improving metameric performance by using computer system |
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| CN110633536A CN110633536A (en) | 2019-12-31 |
| CN110633536B true CN110633536B (en) | 2024-06-18 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784592A (en) * | 2003-05-07 | 2006-06-07 | 纳幕尔杜邦公司 | Method of producing matched coating composition and device used therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5740078A (en) * | 1995-12-18 | 1998-04-14 | General Electric Company | Method and system for determining optimum colorant loading using merit functions |
| US8330991B2 (en) * | 2009-03-03 | 2012-12-11 | Columbia Insurance Company | Method for managing metamerism of color merchandise |
| EP2227000A1 (en) * | 2009-03-04 | 2010-09-08 | Agfa Graphics N.V. | Method and apparatus for calculating metameric colors |
| CN108519157B (en) * | 2018-03-16 | 2019-07-09 | 武汉大学 | A kind of generation of metamerism spectrum and evaluation method and system for light source detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1784592A (en) * | 2003-05-07 | 2006-06-07 | 纳幕尔杜邦公司 | Method of producing matched coating composition and device used therefor |
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