CN105300904A - Dye concentration detection method in dye type polaroid production process - Google Patents
Dye concentration detection method in dye type polaroid production process Download PDFInfo
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Abstract
The invention provides a dye concentration detection method in a dye type polaroid production process. The dye concentration detection method comprises the following steps: A: detecting the concentration of a single component: A1: preparing a single-component dye solution, measuring a full-wave-band spectral absorption curve, and determining a characteristic absorption wavelength; A2: preparing standard solutions with different concentrations of the single-component dye; A3: measuring the absorbancy of the standard solutions at the characteristic absorption wavelength; A4: obtaining an absorbancy-dye concentration linear relation, and constructing a standard detection model; B: detecting the concentrations of multiple components: B1: respectively preparing two groups of single-component dye solutions, measuring full-wave-band spectral absorption curves, and determining characteristic absorption wavelengths; B2, preparing a standard mixed solution with different dye concentration proportions; B3: measuring the absorbancy of the mixed solution at the characteristic absorption wavelengths of the two groups of single-component dye solutions; B4: constructing a relation model between the concentration and the absorbancy of a multi-component dye. According to the method, the hue and optical stability of a dye type polaroid product can be effectively guaranteed.
Description
Technical field
The invention belongs to dye-type polaroid to produce, the dyeing and finishing fields such as sunglass lens production and weaving, are specifically related to dye strength detection method in a kind of dye-type polaroid production run.
Background technology
At present, the method detecting dye strength in dyeing and finishing fields such as the production of dye-type polaroid, sunglass lens production and weavings mainly contains high efficiency liquid phase chromatographic analysis method, fluorometry, thin-layered chromatography and the series detection method etc. based on spectrophotometric method.Wherein spectrophotometric method mainly comprises Single wavelength spectrophotometric method, dual-wavelength spectrophotometry, maximum absorption wavelength-equation solving approach, derivative spectrophotometry, absorption spectrum peak area method etc.
Point out in Yang Junhao etc. " new development of external reactive dye efficient liquid phase chromatographic analysis ", high efficiency liquid phase chromatographic analysis method test result has higher accuracy, but pre-separation need be carried out to mixed solution during test, consuming time longer, be only applicable to offline inspection analysis.Fluorometry requires that mixed dye to be measured has fluorescent quantum output capacity, and only for the dye solution of extremely low concentration.Thin-layered chromatography test mixing dye strength need first be separated, and resolution, reappearance, accuracy are all poor.Detection method based on spectrophotometric method mainly comprises Single wavelength spectrophotometric method, dual-wavelength spectrophotometry, maximum absorption wavelength-equation solving approach, derivative spectrophotometry, absorption spectrum peak area method etc.Single wavelength spectrophotometric method test mixed dye requires that each component dye absorption spectrum does not have overlapping region, and must separate simultaneous equations, and calculate loaded down with trivial details, accuracy is not high.Dual-wavelength spectrophotometry only tries out the test in bi-component mixed dye concentration, and test wavelength combination has selectivity, should have identical absorbance at two wavelength place Coexisting components, and component absorbance difference to be measured is enough large, and applicable surface is too narrow.Maximum absorption wavelength-equation solving approach is comparatively large to the mixed dye test error that color is close, and in the mixed dye liquid that concentration difference is larger, larger compared with the dye test resultant error of small concentration.Derivative spectrophotometry test result accuracy is high, but computation process is very complicated, higher to the requirement of line operating personnel.Absorption spectrum peak area method is only applicable to trace measurement, and the data conversion of test result is complicated, and operation easier is comparatively large, and instrument price is expensive, cost is high.Chinese patent Authorization Notice No.: CN103558163A, authorized announcement date 2014.02.05, disclose a kind of characteristic parameter-form and aspect coefficient of dyestuff, dyestuff form and aspect coefficient is combined with utilizing the additive property principle of polycomponent absorbance by it, realizes the real-time monitoring to dyeing course.This detection method is based on the characteristic parameter-form and aspect coefficient of dyestuff, and form and aspect coefficient is by mixed dye form and aspect, and (a, b) value affect, and mixed dye concentration is larger, and dye molecule concentration class is larger, causes mixed solution hue value and form and aspect coefficients deviation; For two or more dye mixture solution, particularly there is the mixed dye of absorption spectrum overlapping region, its hue value is departs from linear relation very easily; For the dyestuff of ad hoc structure, it can the change of recurring structure under illumination condition, causes the change of hue value and form and aspect coefficient, i.e. " photochromic " effect.
Summary of the invention
The object of the invention is to dye strength detection method in open a kind of dye-type polaroid production run, to comprise in dye-type polaroid production run polycomponent Concentration Testing in single component Concentration Testing and dye-type polaroid production run, on-line checkingi can be realized, dye strength in Real-Time Monitoring solution, calculate dyestuff wear rate and add consumption, guaranteeing dye-type polaroid form and aspect, the stability of optics and the continuity of production.
According to dye strength detection method of the present invention, the method comprises the following steps:
Steps A: single component Concentration Testing in dye-type polaroid production run:
Steps A 1: preparation single component dye solution, measures its all band spectral absorption curve, determine characteristic absorption wavelength;
Steps A 2: the standard solution of preparation single component dyestuff variable concentrations;
Steps A 3: the absorbance recording standard solution at characteristic absorption wavelength place;
Steps A 4: draw absorbance-dye strength linear relationship, Criterion detection model.
Step B: polycomponent Concentration Testing in dye-type polaroid production run:
Step B1: prepare two groups of single component dye solutions respectively, measures its all band spectral absorption curve, determines characteristic absorption wavelength;
Step B2: the standard mixed solution of preparation different dyes concentration ratio;
Step B3: the absorbance measuring mixed solution respectively at two groups of single component dye characteristics absorbing wavelength places;
Step B4: according to the relational model of multiple linear regression analysis method establishment multi-component dyes concentration and absorbance.
The present invention adopts above technical scheme, its advantage is, dye strength detection method in a kind of dye-type polaroid production run of the present invention, mixed dye solution is utilized to there is linear regression relation at finite concentration scope internal absorbance-dye strength, by multiple linear regression analysis method establishment absorbance and dye strength examination criteria model, calculate each component dye concentration, total concentration and concentration of component scale according to mixed dye solution absorbance additive property principle.
Preferably, the single component in described steps A is yellow dye, and described many components are in yellow dye solution, blue dye solution, red solution and purple dye solution two kinds or more.
Preferably, in described steps A 2, the mass concentration of the standard solution of preparation is 0.0205g/L, 0.0615g/L, 0.1025g/L, 0.1435g/L, 0.1845g/L; Described step B2, the mass concentration of the standard solution of preparation is as be shown in the examples.
Preferably, the single component solutions normal linearity equation in described steps A 4: ε=0.3342*X+0.0078, x are dye concentration.
Preferably, when mixed dye is two groups, the foundation of its solution concentration detection master pattern: ε
y=0.04176* (B-2R)+0.34088* (G)+0.00643, R
2=0.9994, ε
b=0.20471* (B-2R)-0.16841* (G)+0.04468, R
2=0.9996, G and B is respectively the concentration of two kinds of dye solutions.
Preferably, when mixed dye is three groups, the foundation of its solution concentration detection master pattern: ε
y=-7.3930* (Y)-1.4571* (R)+7.2881* (P)+3.4914, (R
2=0.9782), ε
r=2.2338* (Y)+0.2774* (R)-2.4925* (P)+0.1666, (R
2=0.9980), ε
p=3.8632* (Y)+0.1467* (R)-4.0927* (P)-0.0133, (R
2=0.9741), Y, P and R are respectively the concentration of three kinds of dyestuffs.
The invention has the beneficial effects as follows: this method effectively can ensure form and aspect and the optical stability of dye-type polaroid product, simple to operate, flexible, consumption is few, accuracy is high, on-line checkingi can be realized, possess predictability, can be used for the dyeing and finishing fields such as the production of dye-type polaroid, sunglass lens production and weaving.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present invention is described in further detail:
Embodiment 1
As shown in Figure 1, be present invention process schematic flow sheet.
Single component Concentration Testing in dye-type polaroid production run, only containing yellow dye Y in described dye solution, need to measure the mass concentration of yellow dye Y in dye solution, committed step is described below:
A. the characteristic absorption wavelength of yellow dye Y solution is determined
The yellow dye Y solution of preparation certain mass concentration, with the scanning of ultraviolet-visible spectrophotometer all band, according to the characteristic absorption wavelength λ max of absorption spectrum determination yellow dye Y.
B. the making of yellow dye Y solution normal linearity equation
B1. the standard solution of different quality concentration yellow dye Y is prepared
Accurately take 0.0205g yellow dye Y, dissolve with 500ml distilled water, then move in the volumetric flask of 1000ml, use distilled water constant volume, be mixed with the standard mother liquor that mass concentration is 0.0205g/L.Pipette the standard mother liquor of 1.00ml, 3.00ml, 5.00ml, 7.00ml, 9.00ml respectively in the volumetric flask of 100ml, use distilled water constant volume, be mixed with the yellow dye Y single component standard solution that mass concentration is 0.0205g/L, 0.0615g/L, 0.1025g/L, 0.1435g/L, 0.1845g/L respectively.
B2. the absorbance ε of each yellow dye Y single component standard solution at characteristic absorption wavelength λ max place is measured
At wavelength X max place, the absorbance of the yellow dye Y single component standard solution of quality measurement concentration 0.0205g/L, 0.0615g/L, 0.1025g/L, 0.1435g/L, 0.1845g/L is ε 1, ε 2, ε 3, ε 4, ε 5 respectively.
B3. the acquisition of yellow dye Y solution normal linearity equation
With yellow dye Y standard solution mass concentration for horizontal ordinate, the absorbance of yellow dye Y single component standard solution is ordinate, the normal linearity equation of mass concentration and absorbance relation is obtained: ε=kX+c by linear fit method, wherein, ε is absorbance, k is absorptivity, and x is mass concentration, and c is constant.Concrete outcome is as shown in table 1:
Table 1
Embodiment 2
Polycomponent Concentration Testing in dye-type polaroid production run, yellow dye Y and blue dyestuff B two kinds of dyestuffs are comprised in described dye mixture solution, need to measure respectively the mass concentration of yellow dye Y and blue dyestuff B in dye mixture solution, committed step is described below, and does not comprise complete procedure:
A. the characteristic absorption wavelength of yellow dye Y solution and blue dyestuff B solution is determined
Prepare the single component solutions of certain density yellow dye Y and blue dyestuff B respectively, with the scanning of ultraviolet-visible spectrophotometer all band, the characteristic absorption wavelength according to absorption spectrum determination yellow dye Y and blue dyestuff B is respectively λ
y, λ
b.
B. the foundation of mixed dye solution Concentration Testing master pattern
B1. the standard mother liquor of single component dyestuff is prepared
Accurately take the blue dyestuff B of 0.1002g, dissolve with 500ml distilled water, move in the volumetric flask of 1000ml, use distilled water constant volume, be mixed with the blue dyestuff B standard mother liquor that mass concentration is 0.1002g/L.Use the same method and be mixed with the yellow dye Y standard mother liquor that mass concentration is 0.0205g/L.
B2. different component, variable concentrations ratio mixed dye standard solution is prepared
Pipette blue dyestuff B standard mother liquor 20.00ml, 22.00ml, 24.00ml, 26.00ml, 28.00ml, 30.00ml and yellow dye Y standard mother liquor 1.50ml, 2.50ml, 3.50ml, 4.50ml, 5.50ml, 6.50ml are mixed with 100ml standard mixed solution according to outer electric field respectively.
B3. the foundation of polycomponent mixed dye solution Concentration Testing master pattern
Respectively at the characteristic absorption wavelength λ of yellow dye Y and blue dyestuff B
y, λ
bthe absorbance ε of place's bioassay standard mixed solution
y, ε
b, according to multiple linear regression analysis method establishment mixed solution dye concentration and absorbance relational model, calculated the mass concentration of each component dye in mixed solution by the method solving Simultaneous Equations.Result is as shown in table 2:
Table 2
Wherein, G refers to the concentration of yellow dye, and B refers to the concentration of blue dyestuff.
B4. polycomponent mixed dye solution Concentration Testing master pattern Accuracy Verification
In the concentration range that master pattern allows, pipette the standard mother liquor of arbitrary volume yellow dye Y and blue dyestuff B, be mixed with the mixed solution of 100ml according to outer electric field.Respectively at characteristic absorption wavelength λ
y, λ
bplace measures the absorbance ε of concentration known mixed solution
y, ε
b.The theoretical absorbance ε of concentration known mixed solution is calculated according to master pattern
y', ε
b', calculating error values.Result is as shown in table 3:
Table 3
The absorbance theoretical value calculated by master pattern and concentration known mixed solution record actual absorbance error within 3%, illustrate that polycomponent mixed dye solution Concentration Testing master pattern accuracy is reliable.
Embodiment 3
Polycomponent Concentration Testing in dye-type polaroid production run, yellow dye Y is comprised in described dye mixture solution, red R and purple dye P tri-kinds of dyestuffs, need to measure respectively yellow dye Y in dye mixture solution, the mass concentration of red R and purple dye P, committed step is described below, and does not comprise complete procedure:
A. yellow dye Y solution is determined, the characteristic absorption wavelength of red R solution and purple dye P solution
Prepare certain density yellow dye Y respectively, the single component solutions of red R and purple dye P, with the scanning of ultraviolet-visible spectrophotometer all band, according to absorption spectrum determination yellow dye Y, the characteristic absorption wavelength of red R and purple dye P is respectively λ
y, λ
r, λ
p.
B. the foundation of mixed dye solution Concentration Testing master pattern
B1. the standard mother liquor of single component dyestuff is prepared
Accurately take 0.1005g yellow dye Y, dissolve with 500ml distilled water, move in the volumetric flask of 1000ml, use distilled water constant volume, be mixed with the yellow dye Y standard mother liquor that mass concentration is 0.1005g/L.Use the same method and be mixed with the purple dye P standard mother liquor of red R standard mother liquor that mass concentration is 0.1002g/L and 0.1003g/L.
B2. different component, variable concentrations ratio mixed dye standard solution is prepared
Pipette yellow dye Y standard mother liquor 4.40ml, 4.60ml, 4.80ml, 5.00ml, 5.20ml respectively, red R standard mother liquor 8.00ml, 8.50ml, 9.00ml, 9.50ml, 10.00ml, purple dye P standard mother liquor 2.40ml, 2.60ml, 2.80ml, 3.00ml, 3.20ml, be mixed with the standard mixed solution of 100ml according to outer electric field.
B3. the foundation of polycomponent mixed dye solution Concentration Testing master pattern
Respectively at yellow dye Y, the characteristic absorption wavelength λ of red R and purple dye P
y, λ
r, λ
pthe absorbance ε of place's bioassay standard mixed solution
y, ε
r, ε
p, according to multiple linear regression analysis method establishment mixed solution dye concentration and absorbance relational model, calculated the mass concentration of each component dye in mixed solution by the method solving Simultaneous Equations.Result is as shown in table 4:
Table 4
B4. polycomponent mixed dye solution Concentration Testing master pattern Accuracy Verification
In the concentration range that master pattern allows, pipette arbitrary volume yellow dye Y, the standard mother liquor of red R and purple dye P, is mixed with the mixed solution of 100ml according to outer electric field.Respectively at characteristic absorption wavelength λ
y, λ
r, λ
pplace measures the absorbance ε of concentration known mixed solution
y, ε
r, ε
p.The theoretical absorbance ε of concentration known mixed solution is calculated according to master pattern
y', ε
r', ε
p', calculating error values.Result is as shown in table 5:
Table 5
The absorbance theoretical value calculated by master pattern and concentration known mixed solution record actual absorbance error within 4%, illustrate that polycomponent mixed dye solution Concentration Testing master pattern accuracy is reliable.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a dye strength detection method in dye-type polaroid production run, is characterized in that, comprises following step:
Steps A: single component Concentration Testing in dye-type polaroid production run:
Steps A 1: preparation single component dye solution, measures its all band spectral absorption curve, determine characteristic absorption wavelength;
Steps A 2: the standard solution of preparation single component dyestuff variable concentrations;
Steps A 3: the absorbance recording standard solution at characteristic absorption wavelength place;
Steps A 4: draw absorbance-dye strength linear relationship, Criterion detection model;
Step B: polycomponent Concentration Testing in dye-type polaroid production run:
Step B1: prepare at least two group single component dye solutions respectively, measure its all band spectral absorption curve, determine characteristic absorption wavelength;
Step B2: the standard mixed solution of preparation different dyes concentration ratio;
Step B3: the absorbance measuring mixed solution respectively at least two group single component dye characteristics absorbing wavelength places;
Step B4: according to the relational model of multiple linear regression analysis method establishment multi-component dyes concentration and absorbance.
2. detection method as claimed in claim 1, it is characterized in that, the single component in described steps A is yellow dye, and described many components are in yellow dye solution, blue dye solution, red solution and purple dye solution two kinds or more.
3. detection method as claimed in claim 1, it is characterized in that, in described steps A 2, the mass concentration of the standard solution of preparation is 0.0205g/L, 0.0615g/L, 0.1025g/L, 0.1435g/L, 0.1845g/L.
4. detection method as claimed in claim 1, is characterized in that, the single component solutions normal linearity equation in described steps A 4: ε=0.3342*X+0.0078, x are dye concentration.
5. detection method as claimed in claim 1, is characterized in that, when mixed dye is two groups, and the foundation of its solution concentration detection master pattern: ε
y=0.04176*(B-2R)+0.34088*(G)+0.00643, R
2=0.9994, ε
b=0.20471*(B-2R)-0.16841*(G)+0.04468, R
2=0.9996, G and B is respectively the concentration of two kinds of dye solutions.
6. detection method as claimed in claim 1, is characterized in that, when mixed dye is three groups, and the foundation of its solution concentration detection master pattern: ε
y=-7.3930*(Y)-1.4571*(R)+7.2881*(P)+3.4914, (R
2=0.9782), ε
r=2.2338*(Y)+0.2774*(R)-2.4925*(P)+0.1666, (R
2=0.9980), ε
p=3.8632*(Y)+0.1467*(R)-4.0927*(P)-0.0133, (R
2=0.9741), Y, P and R are respectively the concentration of three kinds of dyestuffs.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680521A (en) * | 2018-05-18 | 2018-10-19 | 黎明职业大学 | A kind of component analyzing method and color monitoring method |
| CN110987845A (en) * | 2019-11-26 | 2020-04-10 | 武汉纺织大学 | Real-time detection method for dye concentration in single-component and double-component dye solutions |
| CN111289451A (en) * | 2020-02-27 | 2020-06-16 | 欧梯恩智能科技(苏州)有限公司 | Method for quantitatively calculating concentration of complex spectral components |
| CN111855599A (en) * | 2020-07-31 | 2020-10-30 | 联想(北京)有限公司 | Detection equipment and method |
| CN113866103A (en) * | 2021-09-26 | 2021-12-31 | 广东溢达纺织有限公司 | Sensitive interval detection method and device during blending of reactive dyes and computer equipment |
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| CN103558163A (en) * | 2013-06-15 | 2014-02-05 | 佛山纬达光电材料有限公司 | Detection method for dye system polarizer dyeing solution composition concentration change |
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| 朱同贺等: "一种光度法测定双组分染料浓度的方法研究", 《化学世界》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680521A (en) * | 2018-05-18 | 2018-10-19 | 黎明职业大学 | A kind of component analyzing method and color monitoring method |
| CN110987845A (en) * | 2019-11-26 | 2020-04-10 | 武汉纺织大学 | Real-time detection method for dye concentration in single-component and double-component dye solutions |
| CN111289451A (en) * | 2020-02-27 | 2020-06-16 | 欧梯恩智能科技(苏州)有限公司 | Method for quantitatively calculating concentration of complex spectral components |
| CN111855599A (en) * | 2020-07-31 | 2020-10-30 | 联想(北京)有限公司 | Detection equipment and method |
| CN113866103A (en) * | 2021-09-26 | 2021-12-31 | 广东溢达纺织有限公司 | Sensitive interval detection method and device during blending of reactive dyes and computer equipment |
| CN113866103B (en) * | 2021-09-26 | 2023-10-13 | 广东溢达纺织有限公司 | Sensitive interval detection method and device for reactive dye blending and computer equipment |
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