CN115839041A - Water-color-changing paper, preparation method and wrist band manufactured by adopting same - Google Patents
Water-color-changing paper, preparation method and wrist band manufactured by adopting same Download PDFInfo
- Publication number
- CN115839041A CN115839041A CN202111098639.4A CN202111098639A CN115839041A CN 115839041 A CN115839041 A CN 115839041A CN 202111098639 A CN202111098639 A CN 202111098639A CN 115839041 A CN115839041 A CN 115839041A
- Authority
- CN
- China
- Prior art keywords
- water
- color
- coating
- paper
- fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Paper (AREA)
Abstract
The invention provides water-color-changing paper, a preparation method and a wrist band made of the water-color-changing paper, which belong to the technical field of special paper. According to the invention, the water-soluble polymer is arranged on the surface of the waterproof fiber paper or the non-woven fabric, and the coating with the color difference with the body of the waterproof fiber paper or the non-woven fabric is arranged on the upper surface of the water-soluble polymer layer, so that after the water-soluble polymer is soaked for a long time, the water-soluble polymer is dissolved or swelled to cause the colored coating on the upper surface layer to fall off, and the natural color of the waterproof fiber paper or the non-woven fabric is displayed, so that the color is changed.
Description
Technical Field
The invention relates to the technical field of special paper, in particular to water-color-changing paper, a preparation method and a wrist strap manufactured by adopting the water-color-changing paper.
Background
Before the young people agree with the guardian, drowning accidents often occur when the young people are adept to swim in a pond. If the wrist strap capable of changing color when meeting water is provided, after a minor wears the wrist strap made of the water-color-changing paper for swimming, the wrist strap changes color or fades irreversibly, a guardian can know that the minor swims without permission after checking the wrist strap, and plays a role in monitoring and checking the swimming behavior of the minor afterwards.
Patent CN201720920114.7 discloses a water leakage detection color-changing paper, which adopts a white color-developing layer made of a material with good water absorption, a red dyeing layer is covered on the color-developing layer, an adhesive layer is printed on the dyeing layer, and finally a layer of gelatan paper coated with silicone oil is attached on the top of the color-developing layer. The paper is stuck at the position where water leakage needs to be detected, water leakage faults are detected under the condition that a large amount of water leakage does not occur, and the water leakage position can be accurately positioned. However, the water leakage detection color-changing paper disclosed in the patent is very sensitive to water, is only used for detecting water leakage, and cannot be applied to the application field that a small amount of water is soaked for a short time, does not change color, but needs to change color after being soaked for a certain period of time.
Disclosure of Invention
The invention aims to provide water-color-changing paper, a preparation method and a wrist strap manufactured by the water-color-changing paper, wherein water-soluble polymers are arranged on the surface of water-resistant fiber paper or non-woven fabric, a coating with color difference with the water-resistant fiber paper or non-woven fabric body is arranged on the upper surface of a water-soluble polymer layer, and after the water-soluble polymers are soaked for a long time, the water-soluble polymers are dissolved or swelled to cause the colored coating on the upper surface layer to fall off, so that the natural color of the water-resistant fiber paper or non-woven fabric is displayed, and the color is changed.
The technical scheme of the invention is realized as follows:
the invention provides water-color-changing paper, which adopts water-resistant fiber paper or non-woven fabric as a base material, wherein a layer of water-soluble polymer is arranged on the surface of one side of the base material, and a water-resistant coating layer which is colored and has a color different from that of the base material is arranged on the upper surface of the water-soluble polymer layer.
In a further improvement of the present invention, the fibers constituting the water-resistant fiber paper or nonwoven fabric are at least one of synthetic fibers, inorganic fibers, and regenerated fiber fibers.
In a further improvement of the present invention, the fibers constituting the water-resistant fiber paper or nonwoven fabric are at least one selected from the group consisting of meta-aramid fibers, para-aramid fibers, polyester fibers, polyolefin fibers, nylon fibers, carbon fibers, silicon carbide fibers, glass fibers, basalt fibers, metal fibers, tencel fibers, and viscose fibers.
In a further improvement of the present invention, the water-soluble polymer is at least one selected from the group consisting of polyacrylamide, polyvinyl alcohol, polyacrylic acid, polyvinylpyrrolidone, polymaleic anhydride, polyquaternary ammonium salts, polyethylene glycol, starch derivatives, carboxymethyl cellulose, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, starch, gum arabic, sodium alginate, bone meal, gelatin, and casein.
As a further improvement of the present invention, the colored water-resistant coating is a colored coating that is insoluble in water.
As a further improvement of the present invention, the colored water-resistant coating is at least one colored coating which is insoluble in water and is selected from paint or ink.
In a further improvement of the present invention, the colored water-resistant coating layer is a colored paint or ink that is insoluble in water, preferably an ink that is insoluble in water, and more preferably a UV-curable ink that is insoluble in water.
The UV light-cured ink or paint is composed of at least one of resin, polymerized monomer, toner, photoinitiator, filler and auxiliary agent. The resin is at least one of polyacrylic acid, 1,3-dimethyl phthalate, dimethyl-1,4-phthalate and 1,2-glycol; the polymerized monomer is 2- [ [2,2-bis [ [ (1-oxo-2-propenyl ] methyl ] butoxy ] methyl ] -2-ethyl-1,3-propanediyl-2-acrylate, the toner is at least one selected from pigment red, pigment yellow and pigment blue, the photoinitiator is at least one selected from 2,4-diethylthiazolone, 2-dimethylamino-2- (4-methyl) benzyl-1- [4- (4-morpholinyl) phenyl ] -1-butanone, 1- (biphenyl-4-yl) -2-methyl-2-morpholinyl propane-1-one and 1-hydroxycyclohexyl phenyl ketone, the filler is at least one selected from talcum powder and bentonite, and the auxiliary agent is polyethylene.
The invention further protects a preparation method of the water-color-changing paper, which comprises the following steps:
s1, preparing a base material: preparing fiber paper or non-woven fabric by a wet papermaking or dry non-woven fabric manufacturing method to obtain a substrate layer;
s2, preparing a water-soluble polymer layer: arranging a water-soluble polymer layer on the substrate layer by at least one of printing, coating and direct hot-press bonding;
the coating is selected from at least one of dip coating, air knife coating, blade coating, scraping roller coating, gravure coating, slot coating, curtain coating, rotary coating and spray coating;
s3, preparing a colored waterproof coating: and (3) arranging a colored water-resistant coating on the water-soluble polymer layer by at least one of printing and coating, thereby preparing the water-color-changing paper.
As a further improvement of the invention, the substrate layer is formed by compounding single-layer, two-layer or multi-layer fiber paper or non-woven fabric.
The invention further protects a wrist strap made of the water-color-changing paper, the water-color-changing paper is cut into a designated width and a designated length, one end of the wrist strap is provided with a notch, a strong double-sided tape is adhered or an adhesive is coated, or the wrist strap is provided with a buckle which can not be repeatedly disassembled and assembled, and the position of filling the date with a marking pen is reserved on the wrist strap.
The invention has the following beneficial effects: according to the invention, the water-soluble polymer is arranged on the surface of the waterproof fiber paper or the non-woven fabric, and the coating with the color difference with the body of the waterproof fiber paper or the non-woven fabric is arranged on the upper surface of the water-soluble polymer layer, so that after the water-soluble polymer is soaked for a long time, the water-soluble polymer is dissolved or swelled, the colored coating on the upper surface layer is peeled off, and the natural color of the waterproof fiber paper or the non-woven fabric is displayed, so that the color is changed. Because the solubility of different water-soluble polymers of different types or different molecular weights or different characteristics has difference, the time required for dissolution is different from other conditions (such as oscillation and the action of shearing force of water), the time required for soaking and discoloring can be regulated and controlled by selecting different water-soluble polymers of different types and different molecular weights, and the requirements of different water-resistant soaking times are met. The immersion monitoring wrist strap made of the water color-changing paper has low cost and is convenient for large-scale popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of water-color-changing paper according to the present invention;
wherein, 1, a substrate layer; 2. a water-soluble polymer layer; 3. a water-resistant coating that is colored and that is different from the color of the substrate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a water-resistant fiber paper or a non-woven fabric is used as a base material layer 1, a water-soluble polymer layer 2 is arranged on the surface of one side of the base material layer 1, a water-resistant coating 3 which is colored and has a color different from that of a base material is arranged on the upper surface of the water-soluble polymer layer 2, and after the water-soluble polymer layer 2 is contacted with water for a long time, the water-soluble polymer layer 2 is dissolved or swelled, and the water-resistant coating 3 which is colored and has a color different from that of the base material falls off to present the color of the base material, so that the color changes.
Example 1:
(1) Preparing water-color-changing paper: the quantitative determination is 40g/m 2 Aramid fiber paper is used as a waterproof base material, polyvinyl alcohol 0399 is dissolved in hot water to prepare a 10% solution, the solution is coated on the aramid fiber paper by a coating machine and dried, and the dry coating weight is controlled to be 4g/m 2 Printing blue on the surface coated with polyvinyl alcohol 0399 by using UV (ultraviolet) light-cured inkAnd (5) obtaining the water color-changing paper 1# by using the color cartoon pattern. The UV photocuring ink consists of resin, polymerization monomer, toner, photoinitiator, filler and auxiliary agent, and specifically comprises polyacrylic acid 45w%, 1,3-dimethyl phthalate, dimethyl-1,4-phthalate and 1,2-polymer of ethylene glycol 13%, 2- [ [2,2-bis [ [ (1-oxo-2-propenyl) propenyl]Methyl radical]Butoxy radical]Methyl radical]10w% of-2-ethyl-1,3-propanediyl-2-acrylate and 20w% of pigment blue; 2,4-Diethylthiazolone 2w%, 2-dimethylamino-2- (4-methyl) benzyl-1- [4- (4-morpholinyl) phenyl]2w% of (E) -1-butanone, 2w% of 1- (biphenyl-4-yl) -2-methyl-2-morpholinopropan-1-one, 5w% of talcum powder and 1w% of polyethylene.
(2) Manufacturing the wrist strap: the water color-changing paper with the width of 20mm and the length of 255mm is cut, and the wrist band is made according to the commonly disclosed method of the wrist band: arranging 3-5 rows of V-shaped cuts at one end of the wrist band, sticking a strong double-sided tape at the other end, tearing off release paper of the double-sided tape, sticking the release paper to form an annular wrist band, and determining the sticking position according to the thickness of the wrist of a user.
(3) Testing the color change time of the wrist band: the wrist band is poured and washed by 1L of water from the height of 15cm, the blue cartoon pattern of the wrist band does not fall off, and the color and the pattern are unchanged after the wrist band is naturally dried. The wrist band was placed in a glass beaker containing 250mm water, oscillated on an oscillator at a frequency of 80 times/min, and the time for the blue cartoon pattern to fall off the wrist band and the wrist band to change to the color of the aramid fiber paper itself was recorded as 2 minutes.
Example 2:
(1) Preparing water-color-changing paper: with a basis weight of 40g/m 2 Aramid fiber paper is used as a waterproof base material, polyvinyl alcohol 0599 is dissolved in hot water to prepare a 10% solution, the solution is coated on the aramid fiber paper by a coating machine and dried, and the dry coating weight is controlled to be 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol and printed with the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper No. 2.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the color change was unchanged by exposure to 1L water with shaking in water for 5 minutes.
Example 3:
(1) Preparing water-color-changing paper: the quantitative determination is 40g/m 2 Dissolving polyvinyl alcohol 1399 in hot water to obtain 10% solution, coating the solution on the aramid fiber paper with a coating machine, drying, and controlling the dry coating weight to be 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol and printed with the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper No. 3.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the color change was no change after exposure to 1L water and the color change time was 17 minutes with shaking in water.
Example 4:
(1) Preparing water-color-changing paper: the quantitative determination is 40g/m 2 Aramid fiber paper is used as a waterproof base material, polyvinyl alcohol 1799 is dissolved in hot water to prepare a 10% solution, the solution is coated on the aramid fiber paper by a coating machine and dried, and the dry coating weight is controlled to be 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol by using the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper No. 4.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the color change was unchanged by exposure to 1L water with shaking in water for 30 minutes.
Example 5:
(1) Preparing water-color-changing paper: the quantitative determination is 65g/m 2 Dissolving polyvinyl alcohol 0399 in hot water to obtain 10% solution, coating the solution on the polyester nonwoven fabric by coating machine, drying, and controlling dry coating weight to 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol by using the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper 5#.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the color change was unchanged by exposure to 1L water with shaking in water for 1 minute.
Example 6:
(1) Preparing water-color-changing paper: the quantitative determination is 65g/m 2 Dissolving polyving akohol 0599 in hot water to obtain 10% solution, coating the solution on the polyester non-woven fabric by coating machine, drying, and controlling the dry coating weight to 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol and printed with the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper No. 6.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist bands were tested as in example 1: the color change was unchanged by exposure to 1L water with shaking in water for 4 minutes.
Example 7:
(1) Preparing water-color-changing paper: the quantitative determination is 65g/m 2 Dissolving polyvinyl alcohol 1399 in hot water to obtain 10% solution, coating the solution on the polyester nonwoven fabric with a coating machine, drying, and controlling the dry coating weight to 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol and printed with the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper No. 7.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the color change was unchanged by exposure to 1L water with shaking in water for 15 minutes.
Example 8:
(1) Preparing water-color-changing paper: the quantitative determination is 65g/m 2 Dissolving polyvinyl alcohol 1799 in hot water to obtain 10% solution, coating the solution on the polyester nonwoven fabric by coating machine, oven drying, and controlling dry coatingThe amount is 4g/m 2 And printing a blue cartoon pattern on the surface coated with the polyvinyl alcohol and printed with the UV photocuring ink in the embodiment 1 to obtain the water-color-changing paper No. 7.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the color change was no change after exposure to 1L water and the color change time was 27 minutes in water with shaking.
Comparative example 1:
(1) Manufacturing blue pattern paper: the quantitative determination is 40g/m 2 Aramid fiber paper is used as a waterproof base material, and a blue cartoon pattern is printed by adopting the UV light curing ink in the embodiment 1 to prepare comparison paper No. 1.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the blue pattern did not change after being washed with 1L water and still did not fall off after shaking in water for 3 h.
Comparative example 2:
(1) Manufacturing blue pattern paper: the quantitative determination is 65g/m 2 The PET polyester non-woven fabric is used as a waterproof base material, and a blue cartoon pattern is printed by adopting the UV light curing ink described in example 1 to prepare contrast paper No. 2.
(2) Wrist bands were produced in the same manner as in example 1.
(3) The wrist band was tested as in example 1: the blue pattern did not change after being subjected to 1L water washing, and still did not fall off after shaking in water for 3 h.
The results are shown in Table 1.
TABLE 1
| Kind of base material | Coating polymer species | 1L of Water washing | Color change time/min in water by oscillation | |
| Example 1 | Aramid paper | Polyvinyl alcohol 0399 | Does not change color | 2 |
| Example 2 | Aramid paper | Polyvinyl alcohol 0599 | Does not change color | 5 |
| Example 3 | Aramid paper | Polyvinyl alcohol 1399 | Does not change color | 17 |
| Example 4 | Aramid paper | Polyvinyl alcohol 1799 | Does not change color | 30 |
| Example 5 | PET non-woven fabric | Polyvinyl alcohol 0399 | Does not change color | 1 |
| Example 6 | PET non-woven fabric | Polyvinyl alcohol 0599 | Does not change color | 4 |
| Example 7 | PET non-woven fabric | Polyvinyl alcohol 1399 | Does not change color | 15 |
| Example 8 | PET non-woven fabric | Polyvinyl alcohol 1799 | Does not change color | 27 |
| Comparative example 1 | Aramid paper | Is free of | Does not change color | Does not change color |
| Comparative example 2 | PET non-woven fabric | Is free of | Does not change color | Does not change color |
As can be seen from the above table, the color-changing paper prepared by the invention does not change color under the condition of water washing, but quickly changes color when being soaked in water and shaken.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The water-color-changing paper is characterized in that water-resistant fiber paper or non-woven fabric is used as a base material, a layer of water-soluble polymer is arranged on the surface of one side of the base material, and a water-resistant coating which is colored and is different from the color of the base material is arranged on the upper surface of the water-soluble polymer layer.
2. The water-color-changing paper as claimed in claim 1, wherein the fibers constituting the water-resistant fiber paper or nonwoven fabric are at least one of synthetic fibers, inorganic fibers and regenerated fiber fibers.
3. The water-color-changing paper as claimed in claim 2, wherein the fibers constituting the water-resistant fiber paper or nonwoven fabric are at least one selected from meta-aramid fibers, para-aramid fibers, polyester fibers, polyolefin fibers, nylon fibers, carbon fibers, silicon carbide fibers, glass fibers, basalt fibers, metal fibers, tencel fibers, and viscose fibers.
4. The water-color-changeable paper according to claim 1, wherein the water-soluble polymer is at least one selected from the group consisting of polyacrylamide, polyvinyl alcohol, polyacrylic acid, polyvinylpyrrolidone, polymaleic anhydride, polyquaternary ammonium salts, polyethylene glycol, starch derivatives, carboxymethyl cellulose, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, starch, gum arabic, sodium alginate, bone meal, gelatin, and casein.
5. The water-color-change paper of claim 1 wherein the colored water-resistant coating is a colored coating that does not dissolve in water.
6. The water-color-change paper as recited in claim 5 wherein the colored water-resistant coating is at least one of a paint or an ink that is insoluble in water.
7. Water-color-changing paper according to claim 6, wherein the colored water-resistant coating is a colored coating or ink that does not dissolve in water, preferably an ink, more preferably a UV-curable ink.
8. A method for preparing the water-color-changing paper as described in any one of claims 1-7, which comprises the following steps:
s1, preparing a base material: preparing fiber paper or non-woven fabric by a wet papermaking or dry non-woven fabric manufacturing method to obtain a substrate layer;
s2, preparing a water-soluble polymer layer: arranging a water-soluble polymer layer on the substrate layer by at least one of printing, coating and direct hot-press bonding;
the coating is selected from at least one of dip coating, air knife coating, blade coating, scraping roller coating, gravure coating, slot coating, curtain coating, rotary coating and spray coating;
s3, preparing a colored water-resistant coating layer: and (3) arranging a colored water-resistant coating on the water-soluble polymer layer by at least one of printing and coating methods, thereby preparing the water-color-changing paper.
9. The method according to claim 8, wherein the substrate layer is formed by laminating two or more layers of fiber paper or nonwoven fabric.
10. A wrist strap made of the water color-changing paper of any one of claims 1 to 7, wherein the water color-changing paper is cut into a designated width and length, a notch is formed in one end of the wrist strap, a strong double-sided tape is adhered or an adhesive is coated on the notch, or a buckle which can not be repeatedly disassembled and assembled is arranged, and the position where a marking pen can fill in the date is reserved on the wrist strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098639.4A CN115839041A (en) | 2021-09-18 | 2021-09-18 | Water-color-changing paper, preparation method and wrist band manufactured by adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098639.4A CN115839041A (en) | 2021-09-18 | 2021-09-18 | Water-color-changing paper, preparation method and wrist band manufactured by adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115839041A true CN115839041A (en) | 2023-03-24 |
Family
ID=85575159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111098639.4A Pending CN115839041A (en) | 2021-09-18 | 2021-09-18 | Water-color-changing paper, preparation method and wrist band manufactured by adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115839041A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944306A (en) * | 2009-07-03 | 2011-01-12 | 深圳市华德防伪技术开发有限公司 | Humidity sensitive anti-counterfeiting label and method for printing and making same |
| CN103224731A (en) * | 2012-10-24 | 2013-07-31 | 北京印刷学院 | Pinkish red UV ink-jet ink for high-speed ink-jet printing and preparation method thereof |
| CN103434309A (en) * | 2013-09-09 | 2013-12-11 | 吉林大学 | Novel reusable water writing paper |
| WO2015032327A1 (en) * | 2013-09-09 | 2015-03-12 | 吉林大学 | Reusable water writing paper, preparation method thereof, and inkless printing device used for same |
| CN204451413U (en) * | 2015-02-04 | 2015-07-08 | 厦门万泰来包装有限公司 | A kind of segregative paper substrate aluminium plastic composite packaging material structure |
| CN108135785A (en) * | 2015-10-16 | 2018-06-08 | 阿莫生命科学有限公司 | Beauty mask paper |
| CN110066603A (en) * | 2019-03-18 | 2019-07-30 | 江苏新创天利新材料发展有限公司 | A kind of water-soluble temporarily type Camouflage painting and preparation method thereof |
| CN111472205A (en) * | 2020-05-27 | 2020-07-31 | 齐鲁工业大学 | Water transfer printing paper and preparation method thereof |
-
2021
- 2021-09-18 CN CN202111098639.4A patent/CN115839041A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944306A (en) * | 2009-07-03 | 2011-01-12 | 深圳市华德防伪技术开发有限公司 | Humidity sensitive anti-counterfeiting label and method for printing and making same |
| CN103224731A (en) * | 2012-10-24 | 2013-07-31 | 北京印刷学院 | Pinkish red UV ink-jet ink for high-speed ink-jet printing and preparation method thereof |
| CN103434309A (en) * | 2013-09-09 | 2013-12-11 | 吉林大学 | Novel reusable water writing paper |
| WO2015032327A1 (en) * | 2013-09-09 | 2015-03-12 | 吉林大学 | Reusable water writing paper, preparation method thereof, and inkless printing device used for same |
| CN204451413U (en) * | 2015-02-04 | 2015-07-08 | 厦门万泰来包装有限公司 | A kind of segregative paper substrate aluminium plastic composite packaging material structure |
| CN108135785A (en) * | 2015-10-16 | 2018-06-08 | 阿莫生命科学有限公司 | Beauty mask paper |
| CN110066603A (en) * | 2019-03-18 | 2019-07-30 | 江苏新创天利新材料发展有限公司 | A kind of water-soluble temporarily type Camouflage painting and preparation method thereof |
| CN111472205A (en) * | 2020-05-27 | 2020-07-31 | 齐鲁工业大学 | Water transfer printing paper and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郝晓秀: "包装材料学", 印刷工业出版社, pages: 36 - 37 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2624435C2 (en) | Humidity sensor for application in absorbing product | |
| JP6258495B2 (en) | Absorbent article comprising one or more colored areas | |
| US7105225B2 (en) | Water contract indicator | |
| US3359127A (en) | Polyamide heat transfer for launderable fabrics | |
| JP4469367B2 (en) | Print TTI indicator | |
| CN104780951B (en) | A color-changing composition and material | |
| KR20080110726A (en) | Coating for humidity indicator, method for production of the coating, humidity indicator using the coating | |
| CA2116444A1 (en) | Printed woven fiber materials and method | |
| CN106794905A (en) | Equipment for manufacturing pouch | |
| CN115839041A (en) | Water-color-changing paper, preparation method and wrist band manufactured by adopting same | |
| EP2395396A2 (en) | A photosensitive stencil blank and a method for forming a stencil | |
| CN205396910U (en) | Wrapping bag with identification code | |
| JP6936252B2 (en) | Methods and devices for detecting exposure to ultraviolet light | |
| CN115836770A (en) | Color-changing paper containing color-changing ink or paint, preparation method and wrist strap | |
| JP4223623B2 (en) | Mountless label | |
| RU2626149C2 (en) | Label for detecting water effect | |
| FR2791368B1 (en) | SHEET WITH HIGH PRICE PRINTABLE "SKIN" TOUCH AND METHOD FOR MANUFACTURING AND PACKAGING COMPRISING SAME | |
| KR20190086882A (en) | Screen printing plate using laser cutting and screen printing plate manufactured by the same | |
| JPS5549288A (en) | Pollutionless dyeing | |
| KR102214286B1 (en) | Printable coating on substrate | |
| EP1705001B1 (en) | Security label | |
| JP5633226B2 (en) | Printing method for forming an easily removable printing ink layer | |
| KR200473485Y1 (en) | A label for clothes to check whether they were washed or not | |
| KR200354980Y1 (en) | label | |
| JPH0417959Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |