CN203288166U - Indicator tape - Google Patents
Indicator tape Download PDFInfo
- Publication number
- CN203288166U CN203288166U CN2012207417854U CN201220741785U CN203288166U CN 203288166 U CN203288166 U CN 203288166U CN 2012207417854 U CN2012207417854 U CN 2012207417854U CN 201220741785 U CN201220741785 U CN 201220741785U CN 203288166 U CN203288166 U CN 203288166U
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- Prior art keywords
- indicator
- indicant
- layer
- line
- glue
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Abstract
The utility model provides an indicator tape, comprising a substrate layer, a glue layer, and an indicant layer. The substrate layer is transparent. The glue layer is disposed between the substrate layer and the indicant layer. The indicant layer comprises an indicator which changes color along with the change of environmental condition, and has an area smaller than the glue layer. The glue layer of the indicator tape attaches the indicator tape having the indicant layer to the surface of an object to be measured. The indicant layer directly contacts with the object to be measured, and thereby the response can be more sensitive. The transparent substrate layer can prevent the indicant layer from directly exposing to the environment, and thereby the indicant layer can have better weatherability.
Description
Technical field
The utility model relates to a kind of indicator tape, particularly, relates to the indicator tape that at least one condition in a kind of chemical substance, heat, light, humidity, pH value condition in can indicative for environments changes.
Background technology
Indicant refers in the changes in environmental conditions situation, thereby as conditions such as chemical substance, heat, light, humidity or pH values, changes and cause that the indicant change color sends the material of indicator signal.Because of its property to environmental response, indicant, especially thermic/photochromic indicant, be widely used in people's live and work.For example, have on the market the indicant of monitoring certainly that prevents that part of appliance is overheated and the monitoring thermal source leaks, be used to indicate the intelligent packaging with irreversible thermochromic label to the storage condition of heat sensitive medicine or frozen food, indicate the irreversible photochromic indicant of open-assembly time in hazardous environment.
Under the great demand in market stimulated, the indicant technology also obtained fast development.Thermic/photochromic indicant, as thermic/photochromic dyes, liquid crystal and thermic/photochromic inorganic metal salt, and thermic/photochromic ink or coating technology (as microcapsules technology) emerge in an endless stream.The indicant structure generally is layer structure, comprises at least three layers: substrate layer, the indicator layer of being located at the substrate layer one side and the adhesive-layer of being located at the substrate layer another side.But existing indicant often has following distinct disadvantage: (1) indicant weatherability is poor; (2) to indicator require highly, need indicator, to base material, good adhesion is arranged; (3) the residual problem of indicator in use; Perhaps (4) indicator can't patterning, to reach effect attractive in appearance.
Therefore, need at present a kind of indicant structure that can overcome at least one of above shortcoming of exploitation.
The utility model content
One of the purpose of this utility model is that a kind of indicator tape that can overcome at least one of above shortcoming will be provided.
According to an embodiment of the present utility model, its indicator tape that provides comprises substrate layer, glue-line and indicant layer, wherein said substrate layer is transparent, described glue-line is between described substrate layer and described indicant layer, and described indicant layer includes with changes in environmental conditions and causes the area of the area of the indicator of self change color and described indicant layer less than described glue-line.
The indicator tape that this embodiment provides has following beneficial effect: due to the area of the described indicant layer area less than described glue-line, in actual application, the glue-line of indicator tape will comprise that the indicator tape of indicant layer sticks on the surface of object under test, the direct contact measured object of indicant layer, therefore response is more responsive; Transparent substrate layer can avoid the indicant layer to be directly exposed in environment simultaneously, makes this indicant layer have better weatherability.
Selectively, self change color can occur along with at least one condition in the chemical substance in its residing environment, heat, light, humidity, pH value condition in described indicator.
Selectively, described indicant layer is attached on described glue-line in the transfer printing mode.
Selectively, the tackifier that described glue-line comprises is solvent-based adhesive, and described indicator is the indicant of water-based system, and described indicator is attached on described glue-line in the spot printing mode.
Selectively, the tackifier that described glue-line comprises is the latex type tackifier, and described indicator is the indicant of solvent-based system, and described indicator is attached on described glue-line in the spot printing mode.
Preferably, on the direction of along described glue-line, extending, described indicant layer is attached on described glue-line discontinuously.Like this, under equal length, more described indicant layer is attached to the situation on described glue-line continuously, can save described indicant layer, and then saves the more expensive indicator of the included price of described indicant layer and use.
The direction of selectively, extending along described glue-line on described substrate layer and glue-line is horizontally arranged with a plurality of tearings hole or broached-tooth design at interval of certain distance and along indicator tape.Like this, can by these tearing holes or broached-tooth design, the indicator tape of this spacing distance be torn and take off from whole indicator tape easily.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, following accompanying drawing is only exemplarily to show embodiment more of the present utility model, to those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.And these accompanying drawings should not understood any restriction that the utility model has been done yet.
Fig. 1 shows indicator tape that the utility model one embodiment the provides fragmentary cross-sectional view along its length direction;
Fig. 2 shows as shown in Figure 1 indicator tape towards the schematic diagram of the direction of indicant layer;
Fig. 3 shows the indicator tape that another embodiment of the utility model provides;
Fig. 4 show obtain according to the utility model embodiment open-assembly time indicator tape test result figure.
Embodiment
Need to prove, following examples are to exemplary illustration of the present utility model, and the feature in different embodiment is not in the situation that conflict and can mutually make up.Describe below with reference to the accompanying drawings and in conjunction with specific embodiments the utility model in detail.
Fig. 1 shows indicator tape 100 that the utility model one embodiment the provides fragmentary cross-sectional view along its length direction.As shown in the figure, indicator tape 100 comprises substrate layer 10, glue-line 20 and indicant layer 30.Wherein, substrate layer 10 is transparent, and glue-line 20 is between substrate layer 10 and indicant layer 30.Particularly, glue-line 20 take substrate layer 10 as the carrier appendix on substrate layer 10, indicant layer 30 is attached on glue-line 20.The area of indicant layer 30 is less than the area of glue-line 20.Indicant layer 30 includes the indicator that causes self change color with changes in environmental conditions, as can self change color occurring along with at least one condition in the chemical substance in its residing environment, heat, light, humidity, pH value condition.Selectively, on the direction of along indicator tape 100, extending, indicant layer 30 is attached on glue-line 20 discontinuously.In embodiment as shown in the figure, indicant layer 30 comprises a plurality of indicating areas 31, and these indicating areas 31 are arranged on glue-line 20 with keeping at a certain distance away on the direction of along indicator tape 100, extending.Like this, under equal length, than indicant layer 30, be attached to continuously situation on glue-line 20, can save described indicant layer, and then save the more expensive indicator of the included price of described indicant layer and use.
In other embodiments, on the direction of along indicator tape 100, extending, indicant layer 30 can be also to be attached to continuously on glue-line 20 and not to be interrupted.
Fig. 2 shows as shown in Figure 1 indicator tape 100 towards the schematic diagram of the direction of indicant layer.Has certain spacing 31 of two indicating areas.Be horizontally arranged with a plurality of tearings hole 40 along indicator tape 100 on the substrate layer 10 of the corresponding indicator tape 100 of this spacing part and glue-line 20.In other embodiments, tearing hole 40 also can be broached-tooth design or other similar structures replace.Therefore, because transparent substrate layer is normally made by plastic sheeting,, in the situation that there is no the adhesive tape cleavage block, be difficult to its tear fracture.Can easily the part indicator tape be torn and take off the one section indicator tape that forms with indicating area 31 from whole indicator tape 100 by these tearing holes or broached-tooth design.Like this, in actual application, but the direct convenience ground glue-line by indicator tape will comprise that the indicator tape of indicating area 31 sticks on the surface of object under test, the direct contact measured object of indicant layer.
Selectively, as shown in Figure 3, indicator forms on glue-line 20 indicating area 31 can be adjacent zone, parallel stripes, word, symbol, figure or multiple combination.Like this, can obtain effect attractive in appearance.In addition, after test finishes, for convenience of ground, indicator tape is torn and takes off from the surface of object under test, at least part of edge of indicator tape can be the structure of broached-tooth design 50 or other non-straight.
Selectively, the material of substrate layer 10 is selected from a kind of in polyester, tygon, polypropylene and Polyvinylchloride.
Selectively, glue-line 20 is the pressure sensitive glue-line, can adopt easily like this mode of pressing glue-line 20 to be sticked on the surface of object under test.The tackifier that glue-line 20 comprises can be selected from a kind of in the solvent-borne type of acrylic acid series and rubber series or latex type tackifier.
Selectively, indicator can be selected wherein one or more from the indicator of water-based or solvent-based system.The selection of indicator is specifically determined according to actual needs.Be understandable that, indicant layer 30 except indicator, also comprises other materials, as substrate resin and remaining solvent.Usually, indicator and substrate resin are dissolved in solvent, form indicator mixed liquor (also referred to as " indication composition "), then mixed liquor is formed indicant layer 30 in a certain mode.
Selectively, indicant layer 30 is attached on glue-line 20 in the transfer printing mode.This transfer printing mode comprises three key steps, 1) with release the film forming of indicator in release liners, 2) the release liners laminating of indicator will be coated with in the glue-line 20 (as adhesive tape) on substrate layer 10 and the first step, 3) release liners is separated with glue-line 20, the indicator of film forming is namely transferred on glue-line 20 like this.
Selectively, indicant layer 30 also can the spot printing mode be attached on glue-line 20.Consider the matching property of the tackifier that indicant layer 30 comprises in the process of spot printing indicator and glue-line 20 comprise, if the tackifier that glue-line 20 comprises is solvent-based adhesive, indicator is preferably elected the indicator of water-based system as; If the tackifier that glue-line 20 comprises is the latex type tackifier, indicator is preferably elected the indicator of solvent-based system as.
Specific embodiment
Below specifically introduce the indicator tape that the utility model embodiment provides as an example of the transfer printing mode example.Be coated on release of release liners (model 12A41C-5B, precious swallow, China) being listed in indication composition in table 1.The release liners of coating is placed on the oven drying 1 minute of 60 ℃.Then will include adhesive tape (the DELI Group Co. of substrate layer and glue-line, Ltd, China) fit with release liners (glue is in the face of the indicant layer), then separate adhesive tape and release liners, the indicant layer is transferred on adhesive tape, obtains finally the indicator tape of transfer printing.
Table 1
The indicator tape application example
1) sterilizing indicator tape
Sterilizing method of testing
To be attached on paper card based on the transfer printing indicator tape (square indicator dog) that indication composition system 1 makes, then be exposed in the sterilization cycle of the sterilizing Authentication devices of BIER sterilizing.Respectively specimen 134 ℃ lower 2 minutes, 134 ℃ lower 0.5 minute, the variable color under 121 ℃ of lower 10 minutes and 121 ℃ of lower 3 minutes sterilising conditions.
Sterilizing test result
The transfer printing indicator tape that observation makes based on indication composition system 1 134 ℃ lower 2 minutes, 134 ℃ lower 0.5 minute, the variable color under 121 ℃ of lower 10 minutes and 121 ℃ of lower 3 minutes sterilising conditions.With regard to visual inspection, indicator will be deeper than 134 ℃ of variable colors under the lower 0.5 minute sterilizing situation of failure in the variable color under 134 ℃ of lower 2 minutes successful sterilization conditions, in the variable color under 121 ℃ of 10 minutes successful sterilization, will be deeper than 121 ℃ of variable colors under 3 minutes sterilizing situations of failure.Color density after above sample variable color is with the test of X-Rite optical density instrument, and test result is listed in table 2, from test result, can see that also the change color of indicator meets the requirement of sterilizing indication, and successful sterilization and the sterilizing difference of failure are clearly.
Table 2
| The steam sterilizing condition | Sterilizing result | Color density |
| 134 ℃ lower 2 minutes | Successful sterilization | 1.1 |
| 134 ℃ lower 0.5 minute | Failure is sterilizing | 0.15 |
| 121 ℃ lower 10 minutes | Successful sterilization | 1.28 |
| 121 ℃ lower 3 minutes | Failure is sterilizing | 0.16 |
2) thermochromism indicator tape
The thermochromism test
To be attached on dixie cup based on the transfer printing indicator tape of indication composition system 2, then add hot water, observe the phenomenon of thermochromism.
The weather resisteant test
With the above-mentioned indicator tape of hot water injection with the test weatherability.
Test result
While not adding hot water in dixie cup, the color of indicator tape is grey; After having added hot water in dixie cup, the color of indicator tape is black.With regard to visual inspection, indicator has shown very fast thermochromism phenomenon, namely becomes black from grey after hot water adds.And this transfer printing indicator tape has excellent hot water resistance, and in the above-mentioned indicator tape certain hour of hot water injection, indicator tape almost holds its shape.Contrastively, without any other indicants of protection, the indication composition on it is almost completely destroyed.
3) open-assembly time indicator tape
Photochromic test
To be attached on white paper based on a transfer printing indicator tape of indication composition system 3, then be exposed under fluorescent light, and with X-Rite optical density instrument, test the indicant change color.As a comparison, will be attached on white paper based on another transfer printing indicator tape (contrast indicator tape) that indication composition system 3 obtains, but be exposed to after crested under same fluorescent light.
Test result
Fig. 4 shows the change degree of color density under different open-assembly times, the change color of line a representative contrast indicator tape, and it is more straight, does not almost have significant change; And the change color of line b representative checking indicator tape, the color of checking indicator tape changed significantly in 4 hours, and the color of indicator becomes milky finally by yellow.Therefore in some hazardous environments, can withdraw by indicator change color prompting personnel.
The embodiment that is appreciated that foregoing description only is used for describing and unrestricted the utility model it will be understood by those skilled in the art that and can modify and be out of shape the utility model, only otherwise depart from spirit and scope of the present utility model.Above-mentioned modification and distortion are considered to the scope of the utility model and claims.Protection domain of the present utility model is limited by appended claim.In addition, any Reference numeral in claim should not be understood to restriction of the present utility model.Verb " comprises " and element or the step that other beyond statement in claim occur do not got rid of in its distortion.Indefinite article before element or step " one " is not got rid of and a plurality of such elements or step are occurred.
Claims (10)
1. indicator tape, comprise substrate layer, glue-line and indicant layer, it is characterized in that, wherein said substrate layer is transparent, described glue-line is between described substrate layer and described indicant layer, and described indicant layer includes with changes in environmental conditions and causes the area of the area of the indicator of self change color and described indicant layer less than described glue-line.
2. indicator tape according to claim 1, is characterized in that, described indicator can self change color occur along with at least one condition in the chemical substance in its residing environment, heat, light, humidity, pH value condition.
3. indicator tape according to claim 1, is characterized in that, described indicant layer comprises a plurality of indicating areas, and described a plurality of indicating areas are arranged on described glue-line with keeping at a certain distance away on the direction of along described indicator tape, extending.
4. according to claim 1 or 3 described indicator tapes, is characterized in that, the direction of extending along described glue-line on described substrate layer and glue-line is horizontally arranged with a plurality of tearings hole or broached-tooth design at interval of certain distance and along indicator tape.
5. according to claim 1 or 3 described indicator tapes, is characterized in that, at least part of edge of described indicator tape is provided with broached-tooth design.
6. indicator tape according to claim 1, is characterized in that, described glue-line is the pressure sensitive glue-line.
7. indicator tape according to claim 1, is characterized in that, described indicator is water-based or solvent-based system.
8. according to claim 1 or 3 or 7 described indicator tapes, is characterized in that, described indicant layer is attached on described glue-line in the transfer printing mode.
9. according to claim 1 or 3 described indicator tapes, is characterized in that, the tackifier that described glue-line comprises is solvent-based adhesive, and described indicator is the indicant of water-based system, and described indicator is attached on described glue-line in the spot printing mode.
10. according to claim 1 or 3 described indicator tapes, is characterized in that, the tackifier that described glue-line comprises is the latex type tackifier, and described indicator is the indicant of solvent-based system, and described indicator is attached on described glue-line in the spot printing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207417854U CN203288166U (en) | 2012-12-28 | 2012-12-28 | Indicator tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207417854U CN203288166U (en) | 2012-12-28 | 2012-12-28 | Indicator tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203288166U true CN203288166U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207417854U Expired - Fee Related CN203288166U (en) | 2012-12-28 | 2012-12-28 | Indicator tape |
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| Country | Link |
|---|---|
| CN (1) | CN203288166U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910826A (en) * | 2015-07-06 | 2015-09-16 | 杨直玮 | Two-dimension code saw-tooth-shaped anti-counterfeiting adhesive tape |
| CN105160994A (en) * | 2015-06-11 | 2015-12-16 | 合肥鑫晟光电科技有限公司 | Display color card and manufacturing method thereof, and label, system, and method for thawing time monitoring |
| CN113570961A (en) * | 2021-08-03 | 2021-10-29 | 深圳九星印刷包装集团有限公司 | Anti-counterfeit label |
-
2012
- 2012-12-28 CN CN2012207417854U patent/CN203288166U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160994A (en) * | 2015-06-11 | 2015-12-16 | 合肥鑫晟光电科技有限公司 | Display color card and manufacturing method thereof, and label, system, and method for thawing time monitoring |
| CN104910826A (en) * | 2015-07-06 | 2015-09-16 | 杨直玮 | Two-dimension code saw-tooth-shaped anti-counterfeiting adhesive tape |
| CN104910826B (en) * | 2015-07-06 | 2017-09-01 | 重庆千人早科技有限公司 | Quick Response Code zigzag anti-counterfeit adhesive tape |
| CN113570961A (en) * | 2021-08-03 | 2021-10-29 | 深圳九星印刷包装集团有限公司 | Anti-counterfeit label |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |