CN107917883A - The discoloration quality inspection method of temperature sensitive ink printed matter - Google Patents
The discoloration quality inspection method of temperature sensitive ink printed matter Download PDFInfo
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- CN107917883A CN107917883A CN201711153317.9A CN201711153317A CN107917883A CN 107917883 A CN107917883 A CN 107917883A CN 201711153317 A CN201711153317 A CN 201711153317A CN 107917883 A CN107917883 A CN 107917883A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
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Abstract
The present invention relates to the inspection field of temperature sensitive ink, is specifically the discoloration quality inspection method that a kind of temperature sensitive ink is printed in paper base material, includes the following steps：In the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, standard specimen page and sample to be tested are printed on heat-sensitive colour-changing ink region to be placed on temperature control device respectively, the temperature for adjusting temperature control device is any temperature in discoloration critical temperature range, heat-sensitive colour-changing ink region is printed on to standard specimen page and sample to be tested and applies 0.18MPa pressure respectively, after continuing 10 ± 1s, check whether standard specimen page and sample to be tested change colour.The method of the invention is measured directly against the heat-sensitive colour-changing ink being printed on paper base material, and closing to reality is simple and easy to do, and inspection result more comprehensively, accurately, has filled up the blank of existing detection method.
Description
Technical field
The present invention relates to the inspection field of temperature sensitive ink, is specifically the change chromaticness that a kind of temperature sensitive ink is printed in paper base material
Measure the method for inspection.
Background technology
The specific measurement standard of discoloration quality inspection neither one of temperature sensitive ink, the prior art are usually what will be examined
Temperature sensitive ink is applied on test board, and the discoloration of ink is then observed under the discoloration critical-temperature of temperature sensitive ink.But
Dynamics, the speed manually smeared can all influence the quality that changes colour, and different personnel operate the testing result that dispute just occurs.And
Because temperature-sensitive oil is printed on paper base material, is influenced by typography and other ink, be applied to using temperature sensitive ink merely
Mode on test board can not imitate discoloration of the actual temperature sensitive ink on paper base material is printed in, therefore to temperature-sensitive oil
The discoloration quality test results of ink will be possible different from the actual discoloration quality test results of temperature sensitive ink, can not be used as heat
Quick ink is printed in the discoloration quality inspection foundation of paper base material.
The content of the invention
The present invention causes inspection result to dispute on to solve the specific measurement standard of prior art neither one, product
The present situation that quality can not be controlled effectively, thus provides a kind of discoloration quality inspection method of temperature sensitive ink printed matter.
In the context of the present invention, the heat-sensitive colour-changing ink is in temperature change, and the ink of color changeable effect can occur.
In temperature change, can change colour back and forth for reversible heat-sensitive colour-changing ink, it is on the contrary then be irreversible heat-sensitive colour-changing ink.Institute
It is ink pull changed temperature of color under temperature change to state discoloration critical-temperature.Certainly, ink pull becomes in temperature
It is usually a temperature range to change the lower changed temperature of color, and to simplify method, the present invention is adjusting the temperature of temperature control device
During the limiting temperature of degree or definite discoloration critical temperature range, generally with 1 DEG C for minimum change.
In addition, in the technical solution of the present invention, to being printed on heat-sensitive colour-changing ink region（Or ink layer region）Apply respectively
0.18MPa pressure and continue 10 ± 1s, be in order to enable heat-sensitive colour-changing ink region（Or ink layer region）It can be filled with temperature control
The temperature put reaches consistent.
The present invention is achieved by the following technical solutions：A kind of irreversible heat-sensitive colour-changing ink is printed in paper base material
Discoloration quality inspection method, include the following steps：In the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, by standard sample
Open and sample to be tested is printed on heat-sensitive colour-changing ink region and is placed in respectively on temperature control device, the temperature for adjusting temperature control device is discoloration
Any temperature in critical temperature range, is printed on heat-sensitive colour-changing ink region to standard specimen page and sample to be tested and applies respectively
0.18MPa pressure, after continuing 10 ± 1s, removes standard specimen page and sample to be tested checks whether to change colour, by range estimation, if standard sample
And sample to be tested solid colour, then judge that sample to be tested is qualified；If sample to be tested and standard specimen page color are inconsistent, judge
Sample to be tested is unqualified.
As irreversible heat-sensitive colour-changing ink be printed in paper base material discoloration quality inspection method technical solution into
One step improve, judge color it is whether consistent when, form inspection group by three people, three people independently judge, and with two people or two people with
Upper consistent result is judgement result.
Further, the present invention provides the discoloration quality inspection that a kind of reversible heat-sensitive colour-changing ink is printed in paper base material
Proved recipe method, includes the following steps：
1. in the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, three standard specimen pages and sample to be tested are printed on temperature-sensitive and are become
Color ink region is placed on temperature control device respectively, adjust temperature control device temperature be less than discoloration 1 DEG C of critical temperature range, it is right
Standard specimen page and sample to be tested are printed on heat-sensitive colour-changing ink region and apply 0.18MPa pressure respectively, after continuing 10 ± 1s, check soon
Three standard specimen pages and sample to be tested check whether to change colour, by range estimation, if three standard specimen pages differ with sample to be tested color
Cause, then judge that sample to be tested is unqualified, complete to examine；
2. three standard specimen pages are put respectively with 1. judging that the sample to be tested of qualification is printed on heat-sensitive colour-changing ink region by step
It is placed on temperature control device, adjusts temperature control device and heated up in a manner of 1 DEG C/time, to standard specimen page and treating while heating one time
Sample is printed on heat-sensitive colour-changing ink region and applies 0.18MPa pressure respectively and continue 10 ± 1s, determines the discoloration of sample to be tested
Whether temperature is in discoloration critical temperature range；By range estimation, if discoloration critical temperature range in sample to be tested discoloration with
A solid colour in three standard specimen pages, and sample to be tested reverts to the color same with standard specimen page after temperature reduction,
Then judge that sample to be tested is qualification；Other situations judge that sample to be tested is unqualified；
Three standard specimen pages discoloration critical temperature range same temperature under change colour after color it is opposite be respectively it is slightly shallow, in
Deng and it is slightly deep.
In actual production, the color of standard specimen page curing ink can produce certain fluctuation, the fluctuation in critical field
When being due to press printing caused by ink thin and thick, the difference of certain thin and thick is very little, therefore color in critical field
Change it is also very little.In order to more accurately examine the discoloration quality of sample to be tested, present invention employs three colors are opposite
Be respectively slightly shallow, medium and slightly deep standard specimen page.In the present invention, it is described slightly shallow and slightly depth is the pole in critical field
Limit color, the medium intermediate colors for limit color.
As a kind of discoloration quality inspection method technical solution of reversible heat-sensitive colour-changing ink printing tipping paper into one
Step improve, judge color it is whether consistent when, form inspection group by three people, three people independently judge, and with two people or two people more than
Consistent result is judgement result.
Further, a kind of reversible heat-sensitive colour-changing ink is printed in the discoloration critical temperature range acquisition of paper base material
Method, includes the following steps：
1. in the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, sample to be tested is printed on ink layer region and is placed in temperature control
On device, while prepare in addition product as same batch under same environment, as discoloration control sample；In the ink layer
Including a kind of reversible heat-sensitive colour-changing ink, the temperature for adjusting temperature control device is faced for 1/2 discoloration of reversible heat-sensitive colour-changing ink
Any temperature of boundary's temperature range, is printed on sample to be tested in ink layer region and applies 0.18MPa pressure, after continuing 10 ± 1s, look into
See that sample to be tested checks whether to change colour with discoloration control sample by ready visual contrast, otherwise carry out in next step；
2. if discoloration control sample and sample to be tested color are inconsistent, adjust temperature control device and cooled down and risen in a manner of 1 DEG C/time
Sample to be tested is printed on while temperature, cooling and heating one time ink layer region apply 0.18MPa pressure respectively and continue 10 ±
1s, determines the limiting temperature of the discoloration critical temperature range of sample to be tested；
3. if discoloration control sample and sample to be tested solid colour, are adjusted temperature control device and are heated up in a manner of 1 DEG C/time, heated up
Ink layer region is printed on a while time to sample to be tested to apply 0.18MPa pressure respectively and continue 10 ± 1s, passes through range estimation pair
Than checking whether sample to be tested changes colour with discoloration control sample, until determining the limit temperature of the discoloration critical temperature range of sample to be tested
Degree.
In practice, the presumable ink layer region for being printed in paper base material only only has reversible heat-sensitive variable colour oil
Ink；But it is probably two or more ink in the ink layer region of some printing tipping papers（Become including a kind of reversible temperature-sensitive
Color ink）Print layer by layer, discoloration is directly at this moment determined using the discoloration critical temperature range of reversible heat-sensitive colour-changing ink
Quality, will result in judgement error.Therefore, in order to more accurately judge the critical temperature range that changes colour, inventor is using reversible
The discoloration critical temperature range of the half of heat-sensitive colour-changing ink（I.e. 1/2 discoloration critical temperature range）As starting temperature.
Through inventor's practical measurement for many years, general two or more ink（Including a kind of reversible heat-sensitive colour-changing ink）Print layer by layer
The discoloring temperature in ink layer region is not less than the discoloration critical temperature range of the half of reversible heat-sensitive colour-changing ink.
The discoloration critical temperature range acquisition methods technical solution of paper base material is printed in as a kind of heat-sensitive colour-changing ink
Further improvement, when judging whether color consistent, inspection group is formed by three people, three people independently judge, and with two people or two
More than people consistent result is judgement result.
Compared with prior art, the present invention have the advantages that：
1. the method for the invention is measured directly against the heat-sensitive colour-changing ink being printed on paper base material, closing to reality, examine
As a result more comprehensively, accurately；
2. the method for the invention is easy to operate, measuring speed is fast；
3. the method for the invention is offset paper for material, art paper, white board, art post paperboard, composite card paper, vacuum aluminum-coated
Paperboard, technique are the bars of the various materials and typography such as radium-shine common printed, fresh laser, optical wand, intermediate color, gold stamping
It is applicable in box packaging paper, use scope is wide.
4. the method for the invention has filled up the blank that the heat-sensitive colour-changing ink measure being printed on paper base material is examined,
For control product curing ink discoloring temperature, discoloration before and after color stability play the role of it is key.
5. the method for the invention is simple and easy to do, provided for the production process control and final product quality control of such product
Efficient method.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all on the premise of creative work is not made
Other embodiment, belongs to the scope that the present invention is protected.
Embodiment 1（The discoloration critical temperature range of certain heat-sensitive colour-changing ink is 42 ± 2 DEG C）
A kind of discoloration quality inspection method of irreversible heat-sensitive colour-changing ink printing tipping paper, includes the following steps：At 23 DEG C
± 1 DEG C, in the environment of relative humidity 50% ± 2%, standard specimen page and sample to be tested are printed on heat-sensitive colour-changing ink region and put respectively
It is placed on temperature control device, the temperature for adjusting temperature control device is 42 DEG C（Either 40,44 DEG C）, standard specimen page and sample to be tested are printed
There is heat-sensitive colour-changing ink region to apply 0.18MPa pressure respectively, after continuing 10 ± 1s, check whether are standard specimen page and sample to be tested
Discoloration, by range estimation, three people independently judge, wherein two people unanimously assert standard specimen page and sample to be tested solid colour, judge to treat
Sample is qualified.
Embodiment 2（The discoloration critical temperature range of certain heat-sensitive colour-changing ink is 42 ± 2 DEG C）
A kind of discoloration quality inspection method of reversible heat-sensitive colour-changing ink printing tipping paper, includes the following steps：
1. in the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, three standard specimen pages and sample to be tested are printed on temperature-sensitive and are become
Color ink region is placed on temperature control device respectively, and the temperature for adjusting temperature control device is 39 DEG C, to standard specimen page and sample to be tested
It is printed on heat-sensitive colour-changing ink region and applies 0.18MPa pressure respectively, after continuing 10 ± 1s, quickly checks three standard specimen pages and treat
Whether sample changes colour, and by range estimation, three people independently judge, wherein three people assert three standard specimen pages and sample to be tested color one
Cause, do not change colour, then judge that sample to be tested is qualified, carry out in next step；
2. three standard specimen pages are put respectively with 1. judging that the sample to be tested of qualification is printed on heat-sensitive colour-changing ink region by step
It is placed on temperature control device, adjusts temperature control device and heated up in a manner of 1 DEG C/time, to standard specimen page and treating while heating one time
Sample is printed on heat-sensitive colour-changing ink region and applies 0.18MPa pressure respectively and continue 10 ± 1s, determines the discoloration of sample to be tested
Whether temperature is in 40~44 DEG C；By range estimation, three people independently judge, wherein three people are assert at 40~44 DEG C（Be 40 respectively,
41、42、43、44℃）Interior sample to be tested discoloration and second solid colour in three standard specimen pages, and treated after temperature reduction
Sample reverts to the color same with standard specimen page, then judges that sample to be tested is qualification.
Embodiment 3（The discoloration critical temperature range of certain reversible heat-sensitive colour-changing ink is 62 ± 2 DEG C）
A kind of discoloration critical temperature range acquisition methods of reversible heat-sensitive colour-changing ink printing tipping paper, include the following steps：
1. in the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, sample to be tested is printed on ink layer region and is placed in temperature control
On device, while prepare in addition product as same batch under same environment, as discoloration control sample；In the ink layer
Including a kind of reversible heat-sensitive colour-changing ink, the temperature for adjusting temperature control device is 32 DEG C, and ink layer region is printed on to sample to be tested
Apply 0.18MPa pressure, after continuing 10 ± 1s, sample to be tested and discoloration control sample are checked by ready visual contrast, three people independently comment
Sentence, do not change colour wherein three people assert, solid colour；
2. the control sample that changes colour and sample to be tested solid colour, are adjusted temperature control device and are heated up in a manner of 1 DEG C/time, heating is once
While ink layer region is printed on to sample to be tested applies 0.18MPa pressure respectively and continue 10 ± 1s, looked into by ready visual contrast
See whether sample to be tested changes colour with discoloration control sample, until determining the lowest limit temperature of the discoloration critical temperature range of sample to be tested
Spend for 45 DEG C, highest threshold temperature is 48 DEG C.So that it is determined that the discoloration critical temperature range of the printing tipping paper is 45~48 DEG C.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of irreversible heat-sensitive colour-changing ink is printed in the discoloration quality inspection method of paper base material, it is characterised in that bag
Include following steps：In the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, standard specimen page and sample to be tested are printed on temperature-sensitive and become
Color ink region is placed on temperature control device respectively, and the temperature for adjusting temperature control device is any temperature in discoloration critical temperature range
Degree, is printed on heat-sensitive colour-changing ink region to standard specimen page and sample to be tested and applies 0.18MPa pressure respectively, after continuing 10 ± 1s,
Check whether standard specimen page and sample to be tested change colour, by range estimation, if standard specimen page and sample to be tested solid colour, judgement is treated
Sample is qualified；If sample to be tested and standard specimen page color are inconsistent, judge that sample to be tested is unqualified.
A kind of 2. discoloration quality inspection side of irreversible heat-sensitive colour-changing ink printing tipping paper according to claim 1
Method, it is characterised in that when judging whether color is consistent, inspection group is formed by three people, three people independently judge, and with two people or two
More than people consistent result is judgement result.
3. a kind of reversible heat-sensitive colour-changing ink is printed in the discoloration quality inspection method of paper base material, it is characterised in that including
Following steps：
1. in the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, three standard specimen pages and sample to be tested are printed on temperature-sensitive and are become
Color ink region is placed on temperature control device respectively, adjust temperature control device temperature be less than discoloration 1 DEG C of critical temperature range, it is right
Standard specimen page and sample to be tested are printed on heat-sensitive colour-changing ink region and apply 0.18MPa pressure respectively, after continuing 10 ± 1s, fast quick checking
See whether three standard specimen pages and sample to be tested change colour, by estimating, if three standard specimen pages and sample to be tested color are inconsistent,
Then judge that sample to be tested is unqualified, complete to examine, otherwise carry out in next step；
2. three standard specimen pages are put respectively with 1. judging that the sample to be tested of qualification is printed on heat-sensitive colour-changing ink region by step
It is placed on temperature control device, adjusts temperature control device and heated up in a manner of 1 DEG C/time, to standard specimen page and treating while heating one time
Sample is printed on heat-sensitive colour-changing ink region and applies 0.18MPa pressure respectively and continue 10 ± 1s, determines the discoloration of sample to be tested
Whether temperature is in discoloration critical temperature range；By range estimation, if discoloration critical temperature range in sample to be tested discoloration with
A solid colour in three standard specimen pages, and sample to be tested reverts to the color same with standard specimen page after temperature reduction,
Then judge that sample to be tested is qualification；Other situations judge that sample to be tested is unqualified；
Three standard specimen pages discoloration critical temperature range same temperature under change colour after color it is opposite be respectively it is slightly shallow, in
Deng and it is slightly deep.
4. a kind of discoloration quality inspection method of reversible heat-sensitive colour-changing ink printing tipping paper according to claim 3,
It is characterized in that, when judging whether color is consistent, inspection group is formed by three people, three people independently judge, and with two people or two people
Consistent result is judgement result above.
A kind of 5. discoloration critical temperature range acquisition methods of reversible heat-sensitive colour-changing ink printing tipping paper, it is characterised in that
Include the following steps：
1. in the environment of 23 DEG C ± 1 DEG C, relative humidity 50% ± 2%, sample to be tested is printed on ink layer region and is placed in temperature control
On device, while prepare in addition product as same batch under same environment, as discoloration control sample；In the ink layer
Including a kind of reversible heat-sensitive colour-changing ink, the temperature for adjusting temperature control device is faced for 1/2 discoloration of reversible heat-sensitive colour-changing ink
Any temperature of boundary's temperature range, is printed on sample to be tested in ink layer region and applies 0.18MPa pressure, after continuing 10 ± 1s, leads to
Cross ready visual contrast and check whether sample to be tested changes colour with discoloration control sample；
2. if discoloration control sample and sample to be tested color are inconsistent, adjust temperature control device and cooled down and risen in a manner of 1 DEG C/time
Sample to be tested is printed on while temperature, cooling and heating one time ink layer region apply 0.18MPa pressure respectively and continue 10 ±
1s, determines the limiting temperature of the discoloration critical temperature range of sample to be tested；
3. if discoloration control sample and sample to be tested solid colour, are adjusted temperature control device and are heated up in a manner of 1 DEG C/time, heated up
Ink layer region is printed on a while time to sample to be tested to apply 0.18MPa pressure respectively and continue 10 ± 1s, passes through range estimation pair
Than checking whether sample to be tested changes colour with discoloration control sample, until determining the limit temperature of the discoloration critical temperature range of sample to be tested
Degree.
A kind of 6. discoloration critical temperature range acquisition side of heat-sensitive colour-changing ink printing tipping paper according to claim 5
Method, it is characterised in that when judging whether color is consistent, inspection group is formed by three people, three people independently judge, and with two people or two
More than people consistent result is judgement result.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010492751.5A CN111504919B (en) | 2017-11-20 | 2017-11-20 | Method for obtaining color-changing critical temperature range of thermosensitive color-changing ink printing tipping paper |
| CN201711153317.9A CN107917883B (en) | 2017-11-20 | 2017-11-20 | Method for inspecting color-changing quality of thermal ink printed matter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153317.9A CN107917883B (en) | 2017-11-20 | 2017-11-20 | Method for inspecting color-changing quality of thermal ink printed matter |
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| CN202010492751.5A Division CN111504919B (en) | 2017-11-20 | 2017-11-20 | Method for obtaining color-changing critical temperature range of thermosensitive color-changing ink printing tipping paper |
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| CN107917883B CN107917883B (en) | 2020-07-03 |
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| CN201711153317.9A Active CN107917883B (en) | 2017-11-20 | 2017-11-20 | Method for inspecting color-changing quality of thermal ink printed matter |
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| CN114324198A (en) * | 2021-12-16 | 2022-04-12 | 重庆冠宇电池有限公司 | Battery cell dispensing quality detection method |
| CN117554305A (en) * | 2024-01-12 | 2024-02-13 | 沈阳圣祥科技有限公司 | Color-changing quality inspection method and system for ink printed matter |
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| CN111504919A (en) | 2020-08-07 |
| CN107917883B (en) | 2020-07-03 |
| CN111504919B (en) | 2023-06-23 |
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