CN106586206B - Wet sensitive colour changing shows word poly-bag and preparation method thereof - Google Patents
Wet sensitive colour changing shows word poly-bag and preparation method thereof Download PDFInfo
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- CN106586206B CN106586206B CN201611201996.8A CN201611201996A CN106586206B CN 106586206 B CN106586206 B CN 106586206B CN 201611201996 A CN201611201996 A CN 201611201996A CN 106586206 B CN106586206 B CN 106586206B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
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Abstract
The present invention relates to a kind of wet sensitive colour changings to show word poly-bag, including bag main body and humidity alert zone, the bag main body are made of plastic film, and the humidity alert zone has alert flag and ink discoloration band, and the ink discoloration band covers in the alert flag.When showing the products such as word poly-bag storing fabric using above-mentioned wet sensitive colour changing, under high humidity environment, the ink discoloration band is become colorless by the first color, and alarming sign can understand, directly show, without any interference；When discoloration humidity of the humidity ring lower than ink discoloration band, alarming sign is hidden, can directly, intuitive, effectively ambient humidity and countermeasure locating for prompt employee bag main body.
Description
Technical field
The present invention relates to packing technique fields, show word poly-bag and preparation method thereof more particularly to a kind of wet sensitive colour changing.
Background technique
Plastic flexible package is a kind of product that use scope is very extensive in packaging field, and this packaging has light, close
The advantages that envelope property is good, low in cost.For example, when plastic flexible package is applied at ready-made clothes field, in packaging bag generally can there are 2~
6 diameters are the aperture of 5~10mm so that packaging process can be gone on smoothly.But it is packed into cotton in such packaging bag, moves
After the fabric of the natural materials such as object hair quality, silk, when the humidity of the environment of storage is larger, steam can be out of entrance packaging bag
Portion causes the mouldy problem of fabric dampness.Existing Humidity Detection card or Humidity Detection instrument, it usually needs comparison just can determine that ring
Border humidity, or there is the problems such as being easily lost when carrying.
Summary of the invention
Based on this, it is necessary to which humidity range can directly be prompted in humidity environment and appear warning indicators letter by providing one kind
The wet sensitive colour changing of breath shows word poly-bag and preparation method thereof.
A kind of aobvious word poly-bag of wet sensitive colour changing, including bag main body and humidity alert zone；
The bag main body is made of plastic film；
The humidity alert zone has alert flag and ink discoloration band, and the alert flag is located in the bag main body,
The ink discoloration band is printed in the bag main body by wet sensitive colour changing ink to be formed, and ink discoloration band is covered described
In alert flag；
When the humidity of the bag main body local environment is less than the ink discoloration band corresponding humidity of discoloration, the ink
Discoloration band the first color of display, the alert flag are hidden in the ink discoloration band；
When the humidity of the bag main body local environment, which is greater than or equal to the ink, to change colour with the humidity to change colour, the oil
Ink discoloration band display is colourless, and the alert flag reveals.
The wet sensitive colour changing ink is the mixing of reversible wet sensitive colour-changing agent and colorless ink in one of the embodiments,
Object；
The reversible wet sensitive colour-changing agent is selected from calcium bicarbonate-thymolphthalein compound, anhydrous cupric sulfate, sodium carbonate -1,3,
5- trinitrobenzen compound, sodium sulfite-o-cresolphthalein compound, sodium acetate-phenolphthalein compound or calcium hydroxide-quinoline blue are multiple
Object is closed, the mass percent that the reversible wet sensitive colour-changing agent accounts for the wet sensitive colour changing ink is 1.0%-3.0%.
The humidity alert zone has multiple in one of the embodiments, multiple humidity alert zones according to it is described can
The incremental sequence arrangement of the mass percent of inverse wet sensitive colour changing agent.
Multiple humidity alert zones setting arranged in a ring or linear pattern on the whole in one of the embodiments,
Setting.
In one of the embodiments, there are three the humidity alert zones, what three humidity alert zones were corresponding in turn to
Ambient humidity is 50%, 70% and 90%.
The reversible wet sensitive colour-changing agent of the discoloration of ink described in three humidity alert zones band in one of the embodiments,
Mass percent successively 1.1%, 1.85% and 2.8%.
The alert flag is printed with general black ink in one of the embodiments,.
A kind of production method that above-mentioned wet sensitive colour changing shows word poly-bag, includes the following steps:
The bag main body is made in the plastic film after sided corona treatment, prints alert flag in the bag main body, makes
With wet sensitive colour changing ink, printed ink discoloration band, the ink discoloration band are covered in the alert flag in the bag main body
On, humidity alert zone, which is formed, to get wet sensitive colour changing shows word poly-bag；Alternatively, sided corona treatment is carried out to the plastic film, it will be described
Alert flag and ink discoloration band are printed on the plastic film after sided corona treatment, form humidity alert zone, right
The plastic film for being printed on the humidity alert zone cut, hot termination process, and the plastic film forms the bag master
Body, the bag main body and the humidity alert zone collectively form wet sensitive colour changing and show word poly-bag；
When the humidity of the bag main body local environment is less than the ink discoloration band corresponding humidity of discoloration, the ink
Discoloration band the first color of display, the alert flag are hidden in the ink discoloration band；
When the humidity of the bag main body local environment, which is greater than or equal to the ink, to change colour with the humidity to change colour, the oil
Ink discoloration band display is colourless, and the alert flag reveals.
The process conditions of the sided corona treatment in one of the embodiments, are as follows: current strength 0.5-2A.
It includes bag main body and humidity alert zone that above-mentioned wet sensitive colour changing, which shows word poly-bag, and the bag main body is made of plastic film,
The humidity alert zone has alert flag and ink discoloration band, and the ink discoloration band covers in the alert flag；When
When the humidity of the bag main body local environment is less than ink discoloration band discoloration corresponding humidity, the ink discoloration band display
First color, the alert flag are hidden in the ink discoloration band；Be greater than when the humidity of the bag main body local environment or
When equal to ink discoloration with the humidity to change colour, the ink discoloration band display is colourless, and the alert flag reveals.Make
When showing the products such as word poly-bag storing fabric with above-mentioned wet sensitive colour changing, under high humidity environment, the ink discoloration band is by the first face
Color becomes colorless, and alarming sign can understand, directly show, without any interference；When change of the humidity ring lower than ink discoloration band
When color humidity, alarming sign is hidden, and is not necessarily to compare, and can directly, intuitively, effectively prompt ambient humidity locating for employee's bag main body
And countermeasure.
Detailed description of the invention
Fig. 1 is that the wet sensitive colour changing of an embodiment shows the structural schematic diagram of word poly-bag；
Fig. 2 is the schematic diagram that the wet sensitive colour changing of an embodiment shows the production method of word poly-bag.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
Incorporated by reference to Fig. 1, the wet sensitive colour changing of an embodiment shows word poly-bag 10, including bag main body 100 and humidity alert zone 200.
Humidity alert zone 200 has alert flag 210 and ink discoloration band 220.Alert flag 210 is located in bag main body 100.Ink becomes
Colour band 220 is printed in bag main body 100 by wet sensitive colour changing ink and is formed, and ink discoloration band 220 is covered in alert flag 210
On.When the humidity of 100 local environment of bag main body changes colour corresponding humidity less than ink discoloration band 220, ink discoloration band 220 is aobvious
Show that the first color, alert flag 210 are hidden in ink discoloration band 220；When the humidity of 100 local environment of bag main body is greater than or waits
When the humidity that ink discoloration band 220 changes colour, ink discoloration band 220 shows colourless, and alert flag 210 reveals.
When showing the products such as word poly-bag storing fabric using above-mentioned wet sensitive colour changing, under high humidity environment, ink discoloration band 220
It is become colorless by the first color, alarming sign 210 can understand, directly show, without any interference；When humidity ring is lower than ink
When the discoloration humidity of discoloration band 220, alarming sign 210 is hidden in again in ink discoloration band 220, can directly, directly without comparing
It sees, effectively prompt ambient humidity and countermeasure locating for employee's bag main body 100.
In the present embodiment, bag main body 100 is made of plastic film.One end of bag main body 100 is equipped with sack 110 and adhesive tape
Item, for encapsulating the products such as fabric.The making material of bag main body 100 can be but not limited to following material: polyethylene, poly- third
Alkene, nylon, polyethylene glycol phthalate and polyurethane.Bag main body 100 can be transparent, or nontransparent plastics
Poly-bag.The shape of bag main body 210 is rectangle.It is appreciated that setting position of the sack 110 in bag main body 100 can carry out
It is adaptively adjusted.
In the present embodiment, alert flag 210 is printed to form black alert flag text with common ink, reduces life
Produce cost.Wet sensitive colour changing ink is the mixture of reversible wet sensitive colour-changing agent and colorless ink.Reversible wet sensitive colour-changing agent is positioned below
The first color is shown when in the environment of its humidity that changes colour, and is shown when being placed higher than in the environment of its humidity that changes colour colourless.It is reversible can
It is multiple that inverse wet sensitive colour changing agent can be selected from calcium bicarbonate-thymolphthalein compound, anhydrous cupric sulfate, sodium carbonate -1,3,5- trinitrobenzen
Close object, sodium sulfite-o-cresolphthalein compound, sodium acetate-phenolphthalein compound or calcium hydroxide-quinoline blue compound, reversible humidity
The mass percent that quick colour-changing agent accounts for wet sensitive colour changing ink is 1.0%-3.0%.
In the present embodiment, humidity alert zone 200 has multiple, and multiple humidity alert zones 200 are according to reversible wet sensitive colour-changing agent
The incremental sequence arrangement of mass percent.Multiple humidity alert zones 200 setting arranged in a ring or linear pattern on the whole
Setting, as long as conveniently recognized, beauty etc..Humidity alert zone 200 is set on the outer surface of bag main body 100 close to bag main body
The position of frontside edge, can also be parallel with edge line adjacent in bag main body 100 with the long side of humidity alert zone 200.It can manage
Solution, when bag main body 210 is transparent, humidity alert zone 200 can also be set on the inner surface of bag main body 100, accurately to indicate product
Locating humidity environment.
Preferably, multiple humidity alert zones 200 mainly correspond to the situation that ambient humidity is greater than 50%.For example, humidity warns
There are three areas 200, and the ambient humidity that three humidity alert zones 200 are corresponding in turn to is 50%, 70% and 90%.Three humidity are alert
Show the mass percent of the reversible wet sensitive colour-changing agent of the discoloration band 220 of ink in area 200 successively 1.1%, 1.85% and 2.8%.By
The mass percent gap of reversible wet sensitive colour-changing agent in three ink discoloration bands 220 is larger, ring when it being made to correspond to discoloration
Border humidity value gap is larger.
It is appreciated that the quality percentage of the reversible wet sensitive colour-changing agent of ink discoloration band 220 can according to actual needs, be adjusted
Than the difference for making each ink in multiple humidity alert zones 200 change colour between the corresponding ambient humidity of band 220 is reduced, can be with
Further indicative for environments humidity becomes the smaller situation of range, improves accuracy and sensitivity.
Incorporated by reference to Fig. 2, wet sensitive colour changing shows the production method 20 of word poly-bag 10, includes the following steps:
Bag main body 100 is made in plastic film after sided corona treatment；Alert flag 210 is printed in bag main body 100；Using wet
Quick color shifting ink printed ink discoloration band 220 in bag main body 100, ink discoloration band 220 cover in alert flag 210, shape
Word poly-bag 10 is shown at humidity alert zone 200 to get wet sensitive colour changing.
Alternatively, carrying out sided corona treatment to plastic film, alert flag 210 and ink discoloration band 220 are printed on through corona
On treated plastic film, humidity alert zone 200 is formed, the plastic film for being printed on humidity alert zone 200 is cut, heat
Termination process, plastic film form bag main body 100, and bag main body 100 and humidity alert zone 200 collectively form wet sensitive colour changing and show word glue
Bag 10.
Flexographic printing, intaglio printing, silk-screen printing, ink jet printing and laser printing etc. can be used in ink discoloration band 220
Mode of printing is realized.
Preferably, the process conditions of sided corona treatment are as follows: current strength 1A.By the plastic film of sided corona treatment, improve
The adhesive force of wet sensitive colour changing ink on the surface of the material improves color fastness.It is wet that black alert flag text can be varying environment
Corresponding environmental Kuznets Curves, product protection and the signal language of inspection or caveat under degree.Signal language can be with are as follows: pays attention to control environmental wet
Degree (50%) increases or replaces desiccant (70%), pays attention to checking the quality of the products (90%).Alert flag 210 and color shifting ink
It can be pre-printed on the plastic film by sided corona treatment with 220, form humidity alert zone 200, then cut, seal end system
Word poly-bag 10 is shown at wet sensitive colour changing, using assembly line, mass production, is remarkably improved production efficiency, and reduce production cost.
The present invention is described further combined with specific embodiments below.
Embodiment 1
Present embodiments provide a kind of aobvious word poly-bag of wet sensitive white bleach.
A kind of aobvious word poly-bag of wet sensitive white bleach, is printed with alert flag and ink discoloration band on poly-bag.Ink becomes
Colour band covers in alert flag.Ink discoloration band and alert flag have 3 groups, and 3 groups are of a straight line type arrangement on the whole, and from one end
Content to the wet sensitive colour changing ink in other end ink discoloration band gradually increases, and respectively corresponds the environmental wet of alert flag prompt
Degree.
Making step is as follows:
Take suitable polyacrylic film weblike material, unreeling makes film by corona treatment, to film surface into
Row sided corona treatment, the technological parameter of sided corona treatment are as follows: current strength is set as 1A, and film surface tension is made to reach 32 × 10-3~
48×10-3N/m。
Modulate wet sensitive colour changing ink: by reversible wet sensitive colour-changing agent (calcium bicarbonate-thymolphthalein compound, it is dry after face
Color is blue, and the color after corresponding humidity environment discoloration is colourless) being dispersed in colorless ink, (the macro auspicious chemical industry of Dongguan City is limited
Company HB-TY0) it is inner formed mass percent be respectively 1.10%, 1.85% and 2.80% wet sensitive colour changing ink.
General black ink is placed in No. 1 ink tank of four printing machines.Mass percent is respectively 1.10%, 1.85%
And 2.80% wet sensitive colour changing ink according to content be incremented by sequence, be placed in No. 2~No. 4 ink tanks of four-color press.
Printing machine is started, film successively passes through the corresponding print roller of 1~No. 4 ink tank, and design is made to have the position of alert flag
Set the upper corresponding signal language/caveat of printing and ink discoloration band.
Cut the film for being printed with humidity alert zone equal length by cutting bag making machine, seal end to get.
To further illustrate excellent effect of the invention, illustrate below by comparative tests.
Comparative example 1
The aobvious word poly-bag of the wet sensitive white bleach of this comparative example is substantially the same manner as Example 1, the difference is that:
Suitable plastic film web-like material from without sided corona treatment is taken, is placed directly on printing machine and is printed,
Without making film carry out sided corona treatment before printing.
Comparative example 2
The aobvious word poly-bag of the wet sensitive white bleach of this comparative example is substantially the same manner as Example 1, the difference is that:
Common non-humidity sensitive white colorant is added in colorless ink, rather than reversible wet sensitive colour-changing agent is added.
Wet sensitive white bleach obtained by 1 embodiment of table and comparative example shows the quality versus of word poly-bag
Note: in plastic cement printing industry, color fastness grading range is 0~5, is minimum rank metric with 0.5, and 4~5 grades are conjunction
Lattice, 0~3.5 grade is unqualified.
As it can be seen from table 1 being produced using different production technologies, wet sensitive white bleach shows the quality of word poly-bag
Meeting difference, makes a concrete analysis of as follows:
The polypropylene film of comparative example 1 is without sided corona treatment, and the surface tension very little of material, wet sensitive colour changing ink is in material
The adhesive force very little on surface, the color fastness after printing only have 2, are easy to fall off, and normal requirement is not achieved.
Use ordinary white mill base in the ink modulated process of comparative example 2, rather than reversible wet sensitive colour-changing agent, work as air
In humidity reach reversible wet sensitive colour-changing agent and occur when the humidity of color change that ordinary white mill base is non-discolouring, cover, reach always
Less than normal requirement.
Therefore, qualification can be just made by sided corona treatment, and by the reversible wet sensitive agent of addition certain content in embodiment 1
Product.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics exists
Contradiction all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It can therefore be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of being detached from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of wet sensitive colour changing shows word poly-bag, which is characterized in that including bag main body and humidity alert zone；
The bag main body is made of plastic film；
The humidity alert zone has alert flag and ink discoloration band, and the alert flag is located in the bag main body, described
Ink discoloration band is printed in the bag main body by wet sensitive colour changing ink to be formed, and ink discoloration band is covered in the warning
On label；
When the humidity of the bag main body local environment is less than the ink discoloration band corresponding humidity of discoloration, the ink discoloration
Band the first color of display, the alert flag are hidden in the ink discoloration band；
When the humidity of the bag main body local environment, which is greater than or equal to the ink, to change colour with the humidity to change colour, the ink becomes
Colour band shows colourless, and the alert flag reveals；
The wet sensitive colour changing ink is the mixture of reversible wet sensitive colour-changing agent and colorless ink；
The reversible wet sensitive colour-changing agent is selected from calcium bicarbonate-thymolphthalein compound, anhydrous cupric sulfate, sodium carbonate -1,3,5- three
Nitrobenzene compound, sodium sulfite-o-cresolphthalein compound, sodium acetate-phenolphthalein compound or calcium hydroxide-quinoline blue are compound
Object, the mass percent that the reversible wet sensitive colour-changing agent accounts for the wet sensitive colour changing ink is 1.0%-3.0%.
2. wet sensitive colour changing as described in claim 1 shows word poly-bag, which is characterized in that the humidity alert zone have it is multiple, it is multiple
The humidity alert zone is arranged according to the incremental sequence of the mass percent of the reversible wet sensitive colour-changing agent.
3. wet sensitive colour changing as claimed in claim 2 shows word poly-bag, which is characterized in that multiple humidity alert zones are on the whole
Annular array setting or linear pattern setting.
4. wet sensitive colour changing as claimed in claim 2 shows word poly-bag, which is characterized in that there are three the humidity alert zones, and three
The ambient humidity that the humidity alert zone is corresponding in turn to is 50%, 70% and 90%.
5. wet sensitive colour changing as claimed in claim 4 shows word poly-bag, which is characterized in that oil described in three humidity alert zones
The mass percent successively 1.1%, 1.85% and 2.8% of the reversible wet sensitive colour-changing agent of ink discoloration band.
6. wet sensitive colour changing as described in claim 1 shows word poly-bag, which is characterized in that the alert flag general black ink
It prints.
7. the production method that a kind of wet sensitive colour changing described in any one of claims 1 to 6 shows word poly-bag, which is characterized in that packet
Include following steps:
The bag main body is made in the plastic film after sided corona treatment, prints alert flag in the bag main body, use is wet
Quick color shifting ink printed ink discoloration band in the bag main body, the ink discoloration band cover in the alert flag, shape
Word poly-bag is shown at humidity alert zone to get wet sensitive colour changing；Alternatively, sided corona treatment is carried out to the plastic film, by the warning
Label and ink discoloration band are printed on the plastic film after sided corona treatment, humidity alert zone are formed, to being printed on
The plastic film of the humidity alert zone cut, hot termination process, and the plastic film forms the bag main body, institute
It states bag main body and the humidity alert zone collectively forms wet sensitive colour changing and shows word poly-bag；
When the humidity of the bag main body local environment is less than the ink discoloration band corresponding humidity of discoloration, the ink discoloration
Band the first color of display, the alert flag are hidden in the ink discoloration band；
When the humidity of the bag main body local environment, which is greater than or equal to the ink, to change colour with the humidity to change colour, the ink becomes
Colour band shows colourless, and the alert flag reveals.
8. the production method that wet sensitive colour changing as claimed in claim 7 shows word poly-bag, which is characterized in that the work of the sided corona treatment
Skill condition are as follows: current strength 0.5-2A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611201996.8A CN106586206B (en) | 2016-12-22 | 2016-12-22 | Wet sensitive colour changing shows word poly-bag and preparation method thereof |
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| CN111621200A (en) * | 2020-04-23 | 2020-09-04 | 南京巨鲨显示科技有限公司 | Humidity-sensitive color-changing ink, wet package monitoring label and preparation method thereof |
| CN112826160B (en) * | 2020-11-27 | 2023-12-15 | 浙江海阔人工智能科技有限公司 | Color-changing mask and color-changing warning method for mask service time |
| CN114855450A (en) * | 2022-06-06 | 2022-08-05 | 华纺股份有限公司 | Moisture-sensitive functional fabric and production process thereof |
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| CN105131717A (en) * | 2015-09-10 | 2015-12-09 | 上海贝达包装材料有限公司 | Environment-friendly color-changeable printing ink with humidity display function and preparation method of printing ink |
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| US7743642B2 (en) * | 2003-12-03 | 2010-06-29 | Kyodo Printing Co., Ltd. | Moisture absorbent material with indicator function, humidity indicator and packaging bag |
| JP5014869B2 (en) * | 2006-04-26 | 2012-08-29 | 共同印刷株式会社 | Humidity indicator paint, method for producing the same, and humidity indicator using the paint |
| KR20110000580A (en) * | 2008-06-25 | 2011-01-03 | 교도 인사쯔 가부시키가이샤 | Moisture indicator and method for producing the same |
| US8911681B2 (en) * | 2011-09-12 | 2014-12-16 | Kimberly-Clark Worldwide, Inc. | Wetness indicator having varied hues |
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| CN105131717A (en) * | 2015-09-10 | 2015-12-09 | 上海贝达包装材料有限公司 | Environment-friendly color-changeable printing ink with humidity display function and preparation method of printing ink |
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Effective date of registration: 20230310 Address after: No. 38, Mingli Road, Hecheng Street, Gaoming District, Foshan City, Guangdong Province, 528500 (residence application) Patentee after: Guangdong Kangpai Huanchuang Technology Co.,Ltd. Address before: 528500 Guangdong city of Foshan province river export processing zone Patentee before: Guangdong Esquel Textile Co.,Ltd. |