CN109147548A - A kind of environmental protection adhesive label and preparation method thereof - Google Patents
A kind of environmental protection adhesive label and preparation method thereof Download PDFInfo
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- CN109147548A CN109147548A CN201810961567.3A CN201810961567A CN109147548A CN 109147548 A CN109147548 A CN 109147548A CN 201810961567 A CN201810961567 A CN 201810961567A CN 109147548 A CN109147548 A CN 109147548A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/023—Adhesive
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a kind of environmentally friendly adhesive labels and preparation method thereof, including adhesive-layer, facial tissue and base stock, for the adhesive-layer between facial tissue and base stock, adhesive-layer includes the raw material of following parts by weight: 8.6-10.5 parts of celluosic resin, 17.2-19.4 parts of polylactic acid, 3.6-5.5 parts of plant amylum, 5.7-8.1 parts of propylene monomer, 4-6.3 parts of maize germ, 0.3-0.9 parts of crosslinking agent, 4-7.5 parts of aliphatic ether, 1.2-2.3 parts of straw powder, 12.4-18.3 parts of isopropanol and 2.2-3.7 parts of chloramphenicol.Raw material sources of the present invention are extensive, and the finished product of preparation has better biological degradability, meet the environmental requirement of people；The present invention has good extensibility and adhesion strength, meets the use demand of adhesive label by the rational proportions of various components, the finished product of preparation.
Description
Technical field
The present invention relates to adhesive label field, specifically a kind of environmental protection adhesive label.
Background technique
On many commodity all can label, label is largely the article for identifying the related description of oneself product.
Adhesive label is exactly a kind of common label, and adhesive label is also self-adhesive label, posting in time, Sticky Note, pressure
Quick paper etc. is using paper, film or special material as fabric, and the back side is coated with adhesive, to apply silicon base stock as one kind of protection sheet
Composite material, and become finished product label after the processing such as being printed, being die cut.The most important purpose of adhesive label is printed by surface
The pattern and/or text of brush pass information to observer, and it is special to generally require printing product for the label being especially attached on product
Point, product composition, the place of production, manufacturer etc. information.
Adhesive label is widely used in the industries such as medicine, food, daily use chemicals, office, logistics, industry.And with the life of people
Running water product are continuously improved, and people increasingly pay attention to the environmental-protecting performance of adhesive material.Adhesive label is with paper, thin mostly
Film is facial tissue, backsize adhesive, a kind of composite material with base stock overlapping.Currently, adhesive label industry is continuous
Rapid growth is kept for many years, but the non-degradable of these materials, difficult recycling are exerted heavy pressures on to environment, publication number
CN101209608A, the patent application in publication date on July 2nd, 2008, disclose a kind of composite thin film adhesive basic label and
The printing effect of preparation method, the patent label design is good, and wear-resisting property is strong, and laminated film is not easy because of environment temperature and humidity
Change and colour fading out of shape, and production cost is low, there is high cost performance, but label is not readily separated with container, can be generated big
The waste of amount, pollutes the environment, and people are also in the adhesive label for seeking environmental protection.
Summary of the invention
The purpose of the present invention is to provide a kind of environmentally friendly adhesive labels, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of environmental protection adhesive label, including adhesive-layer, facial tissue and base stock, the adhesive-layer be located at facial tissue and base stock it
Between, adhesive-layer includes the raw material of following parts by weight: 8.6-10.5 parts of celluosic resin, 17.2-19.4 parts of polylactic acid, plant amylum
3.6-5.5 parts, 5.7-8.1 parts of propylene monomer, 4-6.3 parts of maize germ, 0.3-0.9 parts of crosslinking agent, 4-7.5 parts of aliphatic ether,
1.2-2.3 parts of straw powder, 12.4-18.3 parts of isopropanol and 2.2-3.7 parts of chloramphenicol.
As a further solution of the present invention: plant amylum includes green starch, cornstarch, starch from sweet potato, para arrowroot
At least three kinds in powder and sorghum starch.
As a further solution of the present invention: the relative molecular weight of celluosic resin is 43000-78000.
As a further solution of the present invention: the partial size of straw powder is 210-340 microns.
The preparation method of the environmental protection adhesive label, the specific steps are as follows:
Maize germ is ground to 50-80 mesh by step 1, and the mass fraction that 4-6 times of its volume is then added is 70-80%
Ethyl alcohol heating and refluxing extraction 2-4 hours, and filter residue and filtrate is obtained by filtration, then filter residue is put into filters pressing in filter press, presses
Filter gained liquid merges with filtrate, and the filtrate after merging is in the environment that temperature is 20-45 degrees Celsius, pressure is 0.08-0.15Mpa
Under be evaporated under reduced pressure, until ethyl alcohol is completely distilled off out, filters, be centrifuged and take its supernatant, obtain maize germ extract；
Celluosic resin and propylene monomer are separately heated to molten condition by step 2, by the celluosic resin of melting,
Propylene monomer, polylactic acid, plant amylum and the maize germ extract of melting are added in reaction kettle, and reaction kettle is taken the photograph in 68-84
It is stirred under the revolving speed of family name's degree and 1500-1860rpm 1.6-2.8 hours, then ultraviolet light irradiates 6-13 seconds, obtains the first mixing
Object；
Then chloramphenicol and aliphatic ether ball milling are added in isopropanol and are uniformly dispersed with straw powder by step 3,
Obtain the second mixture；
First mixture, the second mixture and crosslinking agent are sufficiently stirred under 48-58 degrees Celsius, are cooled to by step 4
Room temperature obtains viscose glue, and then viscose glue is coated on facial tissue and is dried, then base stock is pressed together on one that facial tissue is coated with viscose glue
Face to get arrive finished product.
As a further solution of the present invention: heating and refluxing extraction is assisted using the ultrasonic wave of 75-96W in step 1.
As a further solution of the present invention: the ratio of grinding media to material of ball milling is 48-64:1 in step 3, and ball milling temperature is 40-55
Degree Celsius.
Compared with prior art, the beneficial effects of the present invention are:
First, raw material sources of the present invention are extensive, and the finished product of preparation has better biological degradability, meet the environmental protection of people
It is required that；
Second, the present invention has good extensibility and adhesion strength by the rational proportions of various components, the finished product of preparation,
Meet the use demand of adhesive label.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of environmental protection adhesive label, including adhesive-layer, facial tissue and base stock, the adhesive-layer be located at facial tissue and base stock it
Between, adhesive-layer includes the raw material of following parts by weight: 8.6 parts of celluosic resin, 17.2 parts of polylactic acid, 3.6 parts of plant amylum, poly- third
5.7 parts of alkene monomer, 4 parts of maize germ, 0.3 part of crosslinking agent, 4 parts of aliphatic ether, 1.2 parts of straw powder, 12.4 parts of isopropanol and chlorine are mould
2.2 parts of element.Plant amylum includes the mixture of green starch, starch from sweet potato and tapioca.The average molecular of celluosic resin
Amount is 43000-58000.
The preparation method of the environmental protection adhesive label, the specific steps are as follows:
Maize germ is ground to 60 mesh by step 1, and the ethyl alcohol that the mass fraction that 6 times of its volume is then added is 76% adds
It circumfluence distillation 2.5 hours and is assisted using the ultrasonic wave of 88W, and filter residue and filtrate is obtained by filtration, then filter residue is put into
Filters pressing in filter press, liquid obtained by filters pressing merge with filtrate, and the filtrate after merging is temperature is 33 degrees Celsius, pressure is
It is evaporated under reduced pressure in the environment of 0.09Mpa, until ethyl alcohol is completely distilled off out, filters, be centrifuged and take its supernatant, obtain jade
Rice germ extracts；
Celluosic resin and propylene monomer are separately heated to molten condition by step 2, by the celluosic resin of melting,
Propylene monomer, polylactic acid, plant amylum and the maize germ extract of melting are added in reaction kettle, and reaction kettle is at 75 degrees Celsius
With stir 1.9 hours under the revolving speed of 1590rpm, then ultraviolet light irradiates 10 seconds, obtains the first mixture；
Then chloramphenicol and aliphatic ether ball milling are added in isopropanol and are uniformly dispersed with straw powder by step 3,
Obtain the second mixture；
First mixture, the second mixture and crosslinking agent are sufficiently stirred under 52 degrees Celsius, are cooled to room by step 4
Temperature obtains viscose glue, and then viscose glue is coated on facial tissue and is dried, then base stock is pressed together on one that facial tissue is coated with viscose glue
Face to get arrive finished product.
Embodiment 2
A kind of environmental protection adhesive label, including adhesive-layer, facial tissue and base stock, the adhesive-layer be located at facial tissue and base stock it
Between, adhesive-layer includes the raw material of following parts by weight: 9.4 parts of celluosic resin, 18.1 parts of polylactic acid, 4.4 parts of plant amylum, poly- third
6.6 parts of alkene monomer, 4.7 parts of maize germ, 0.45 part of crosslinking agent, 5.4 parts of aliphatic ether, 1.6 parts of straw powder, 15.7 parts of isopropanol and
2.8 parts of chloramphenicol.The relative molecular weight of celluosic resin is 56000-78000.The partial size of straw powder is 280 microns.
The preparation method of the environmental protection adhesive label, the specific steps are as follows:
Maize germ is ground to 50 mesh by step 1, and the ethyl alcohol that the mass fraction that 4 times of its volume is then added is 74% adds
Circumfluence distillation 3.5 hours, and filter residue and filtrate is obtained by filtration, then filter residue is put into filters pressing in filter press, liquid obtained by filters pressing
Body merges with filtrate, and the filtrate after merging is evaporated under reduced pressure in the environment of temperature is 36 degrees Celsius, pressure is 0.12Mpa,
Until ethyl alcohol is completely distilled off out, filters, be centrifuged and take its supernatant, obtain maize germ extract；
Celluosic resin and propylene monomer are separately heated to molten condition by step 2, by the celluosic resin of melting,
Propylene monomer, polylactic acid, plant amylum and the maize germ extract of melting are added in reaction kettle, and reaction kettle is at 76 degrees Celsius
With stir 2.4 hours under the revolving speed of 1740rpm, then ultraviolet light irradiates 12 seconds, obtains the first mixture；
Step 3, by chloramphenicol and aliphatic ether ball milling, the ratio of grinding media to material of ball milling is 56:1, and ball milling temperature is 48 Celsius
Then degree is added in isopropanol and is uniformly dispersed with straw powder, obtains the second mixture；
First mixture, the second mixture and crosslinking agent are sufficiently stirred under 52 degrees Celsius, are cooled to room by step 4
Temperature obtains viscose glue, and then viscose glue is coated on facial tissue and is dried, then base stock is pressed together on one that facial tissue is coated with viscose glue
Face to get arrive finished product.
Embodiment 3
A kind of environmental protection adhesive label, including adhesive-layer, facial tissue and base stock, the adhesive-layer be located at facial tissue and base stock it
Between, adhesive-layer includes the raw material of following parts by weight: 9.8 parts of celluosic resin, 18.9 parts of polylactic acid, 5.1 parts of plant amylum, poly- third
7.7 parts of alkene monomer, 6 parts of maize germ, 0.76 part of crosslinking agent, 6.8 parts of aliphatic ether, 2.1 parts of straw powder, 18.2 parts of isopropanol and chlorine
3.5 parts of mycin.Plant amylum includes the mixture of green starch, cornstarch, starch from sweet potato and sorghum starch.The grain of straw powder
Diameter is 280 microns.
The preparation method of the environmental protection adhesive label, the specific steps are as follows:
Maize germ is ground to 70 mesh by step 1, and the ethyl alcohol that the mass fraction that 5 times of its volume is then added is 76% adds
Circumfluence distillation 3 hours, and filter residue and filtrate is obtained by filtration, then filter residue is put into filters pressing in filter press, liquid obtained by filters pressing
Merge with filtrate, the filtrate after merging is evaporated under reduced pressure in the environment of temperature is 44 degrees Celsius, pressure is 0.13Mpa, directly
It is completely distilled off out to ethyl alcohol, filters, be centrifuged and take its supernatant, obtain maize germ extract；
Celluosic resin and propylene monomer are separately heated to molten condition by step 2, by the celluosic resin of melting,
Propylene monomer, polylactic acid, plant amylum and the maize germ extract of melting are added in reaction kettle, and reaction kettle is at 78 degrees Celsius
With stir 2.4 hours under the revolving speed of 1800rpm, then ultraviolet light irradiates 8 seconds, obtains the first mixture；
Step 3, by chloramphenicol and aliphatic ether ball milling, the ratio of grinding media to material of ball milling is 62:1, and ball milling temperature is 47 Celsius
Then degree is added in isopropanol and is uniformly dispersed with straw powder, obtains the second mixture；
First mixture, the second mixture and crosslinking agent are sufficiently stirred under 55 degrees Celsius, are cooled to room by step 4
Temperature obtains viscose glue, and then viscose glue is coated on facial tissue and is dried, then base stock is pressed together on one that facial tissue is coated with viscose glue
Face to get arrive finished product.
Embodiment 4
A kind of environmental protection adhesive label, including adhesive-layer, facial tissue and base stock, the adhesive-layer be located at facial tissue and base stock it
Between, adhesive-layer includes the raw material of following parts by weight: 10.5 parts of celluosic resin, 5.5 parts of plant amylum, gathers at 19.4 parts of polylactic acid
8.1 parts of propylene monomer, 6.3 parts of maize germ, 0.9 part of crosslinking agent, 7.5 parts of aliphatic ether, 2.3 parts of straw powder, 18.3 parts of isopropanol
With 3.7 parts of chloramphenicol.Plant amylum includes the mixing of green starch, cornstarch, starch from sweet potato, tapioca and sorghum starch
Object.The relative molecular weight of celluosic resin is 53000-66000.The partial size of straw powder is 320 microns.
The preparation method of the environmental protection adhesive label, the specific steps are as follows:
Maize germ is ground to 80 mesh by step 1, and the ethyl alcohol that the mass fraction that 6 times of its volume is then added is 77% adds
It circumfluence distillation 4 hours and is assisted using the ultrasonic wave of 90W, and filter residue and filtrate is obtained by filtration, then filter residue is put into pressure
Filters pressing in filter, liquid obtained by filters pressing merge with filtrate, the filtrate after merging temperature be 40 degrees Celsius, pressure 0.12Mpa
In the environment of be evaporated under reduced pressure, until ethyl alcohol is completely distilled off out, filters, be centrifuged and take its supernatant, obtain maize germ
Extract；
Celluosic resin and propylene monomer are separately heated to molten condition by step 2, by the celluosic resin of melting,
Propylene monomer, polylactic acid, plant amylum and the maize germ extract of melting are added in reaction kettle, and reaction kettle is at 75 degrees Celsius
With stir 2.6 hours under the revolving speed of 1650rpm, then ultraviolet light irradiates 10 seconds, obtains the first mixture；
Step 3, by chloramphenicol and aliphatic ether ball milling, the ratio of grinding media to material of ball milling is 58:1, and ball milling temperature is 54 Celsius
Then degree is added in isopropanol and is uniformly dispersed with straw powder, obtains the second mixture；
First mixture, the second mixture and crosslinking agent are sufficiently stirred at 50 c, are cooled to room by step 4
Temperature obtains viscose glue, and then viscose glue is coated on facial tissue and is dried, then base stock is pressed together on one that facial tissue is coated with viscose glue
Face to get arrive finished product.
Comparative example 1
Except maize germ and chloramphenicol is not contained, remaining raw material and preparation method are same as Example 2.
Comparative example 2
Using the product as a comparison case 2 of publication number CN101209608A.
The product of the product of embodiment 1-4 and comparative example 1-2 is cut to 1 × 1cm2, weight is the specification of 20-30mg,
Product is embedded in damp soil using soil buries method, it is primary at interval of sampling in 15 days, three samples are taken every time, and are washed with distillation
It washs three times, vacuum drying, its average weight-loss ratio (%) of weighing measurement the results are shown in Table 1.
Table 1
| 15 days/% | 30 days/% | 60 days/% | 75 days/% | 90 days/% | |
| Embodiment 1 | 3.3 | 17.4 | 50.7 | 69.5 | 81.3 |
| Embodiment 2 | 2.8 | 18.5 | 49.3 | 71.6 | 78.5 |
| Embodiment 3 | 4.7 | 19.3 | 52.1 | 73.1 | 83.4 |
| Embodiment 4 | 3.6 | 16.7 | 48.9 | 68.9 | 79.2 |
| Comparative example 1 | 0.87 | 1.94 | 4.75 | 8.13 | 10.24 |
| Comparative example 2 | 0.03 | 0.13 | 0.29 | 0.33 | 0.68 |
From table 1 it follows that the product of embodiment 1-4 is better than the product of comparative example 1-2 on degradation rate.
The product of product and comparative example 1-2 to embodiment 1-4 is tested for the property, and the results are shown in Table 2.
Table 2
| Extensibility/% | Adhesion strength/N/cm2 | |
| Embodiment 1 | 433.7 | 5.4 |
| Embodiment 2 | 419.2 | 5.3 |
| Embodiment 3 | 453.1 | 5.6 |
| Embodiment 4 | 426.8 | 4.8 |
| Comparative example 1 | 366.4 | 3.1 |
| Comparative example 2 | 337.2 | 3.6 |
From Table 2, it can be seen that the product of embodiment 1-4 is superior to the production of comparative example 1-2 in extensibility and adhesion strength
Product.
Adhesive-layer of the invention is using reasonable ratio between each component, so that product of the invention has faster drop
Solve speed, preferable adhesion strength and good adhesion strength.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of environmental protection adhesive label, which is characterized in that including adhesive-layer, facial tissue and base stock, the adhesive-layer is located at facial tissue
Between base stock, adhesive-layer includes the raw material of following parts by weight: 8.6-10.5 parts of celluosic resin, 17.2-19.4 parts of polylactic acid,
3.6-5.5 parts of plant amylum, 5.7-8.1 parts of propylene monomer, 4-6.3 parts of maize germ, 0.3-0.9 parts of crosslinking agent, aliphatic ether
4-7.5 parts, 1.2-2.3 parts of straw powder, 12.4-18.3 parts of isopropanol and 2.2-3.7 parts of chloramphenicol.
2. it is according to claim 1 environmental protection adhesive label, which is characterized in that the plant amylum include green starch,
At least three kinds in cornstarch, starch from sweet potato, tapioca and sorghum starch.
3. environmental protection adhesive label according to claim 1, which is characterized in that the relative molecular weight of the celluosic resin
For 43000-78000.
4. environmental protection adhesive label according to claim 1, which is characterized in that the partial size of the straw powder is 210-340
Micron.
5. a kind of preparation method of the environmentally friendly adhesive label as described in claim 1-4 is any, which is characterized in that specific steps
It is as follows:
Maize germ is ground to 50-80 mesh by step 1, and the mass fraction that 4-6 times of its volume is then added is the second of 70-80%
Alcohol heating and refluxing extraction 2-4 hours, and filter residue and filtrate is obtained by filtration, then filter residue is put into filters pressing in filter press, filters pressing institute
Liquid merge with filtrate, the filtrate after merging in the environment of temperature is 20-45 degrees Celsius, pressure is 0.08-0.15Mpa into
Row vacuum distillation filters until ethyl alcohol is completely distilled off out, is centrifuged and takes its supernatant, obtain maize germ extract；
Celluosic resin and propylene monomer are separately heated to molten condition by step 2, by the celluosic resin of melting, melting
Propylene monomer, polylactic acid, plant amylum and maize germ extract be added in reaction kettle, reaction kettle is at 68-84 degrees Celsius
With stir 1.6-2.8 hours under the revolving speed of 1500-1860rpm, then ultraviolet light irradiates 6-13 seconds, obtains the first mixture；
Then chloramphenicol and aliphatic ether ball milling are added in isopropanol and are uniformly dispersed with straw powder, obtained by step 3
Second mixture；
First mixture, the second mixture and crosslinking agent are sufficiently stirred under 48-58 degrees Celsius, are cooled to room temperature by step 4,
Viscose glue is obtained, then viscose glue is coated on facial tissue and is dried, then base stock is pressed together on the one side that facial tissue is coated with viscose glue, i.e.,
Obtain finished product.
6. the preparation method of environmental protection adhesive label according to claim 5, which is characterized in that heated in the step 1
Refluxing extraction is assisted using the ultrasonic wave of 75-96W.
7. the preparation method of environmental protection adhesive label according to claim 5, which is characterized in that ball milling in the step 3
Ratio of grinding media to material be 48-64:1, ball milling temperature be 40-55 degrees Celsius.
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Application publication date: 20190104 |