CN115806784A - Direct-sticking type adhesive sticker and manufacturing method thereof - Google Patents
Direct-sticking type adhesive sticker and manufacturing method thereof Download PDFInfo
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- CN115806784A CN115806784A CN202211451158.1A CN202211451158A CN115806784A CN 115806784 A CN115806784 A CN 115806784A CN 202211451158 A CN202211451158 A CN 202211451158A CN 115806784 A CN115806784 A CN 115806784A
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Abstract
The invention discloses a direct-sticking type adhesive sticker and a manufacturing method thereof, belongs to the technical field of adhesive stickers, and provides a direct-sticking type adhesive sticker label which is prepared by the following method: the method comprises the following steps: preparing glue: according to a proportioning table of a glue formula, materials are sequentially added into a reaction kettle to be stirred, a certain temperature is kept to enable the materials to be dissolved, and the glue is prepared after the materials are completely dissolved. Step two: gluing: taking the prepared glue, drawing the release paper (substrate) into a machine, conveying the release paper (substrate) to a gluing head for gluing, drying the glue surface under the action of high temperature through a machine oven after gluing, cooling the glue surface through a cooling roller, compounding the glue surface with a base material, and finally finishing rolling. Step three: cutting; the invention has the beneficial effects that: 1) Unique viscosity: 2) Better weather resistance: 3) Removing the residual glue.
Description
Technical Field
The invention belongs to the technical field of adhesive stickers, and relates to a direct-sticking type adhesive sticker label with high viscosity and no adhesive residue and a preparation method thereof, in particular to labels for external packaging of some products.
Background
The self-adhesive labels are common, comprise paper base materials and film base materials, belong to self-adhesive products, have wide application, and are mainly used for outer packaging labels of products or office labels; for the outer packing label of some paper adhesive tape products, because of the characteristics of the paper adhesive tape, the surface of the paper adhesive tape has fine lines (with bulges and grooves and uneven), and the surface is treated by an anti-sticking coating, the common self-adhesive label can not be stuck on the surface; or even if the self-adhesive label is pasted, the corners of the pasted self-adhesive label are easy to tilt or even fall off after environmental influence and long-time transportation, so as to overcome the problem, therefore, as shown in figure 1, the current packaging modes of the masking paper and other similar paper adhesive tapes are that a layer of shrink film 1 is firstly sleeved outside the adhesive tape, and then the self-adhesive label 2 is arranged on the shrink film 1, because the surface of the shrink film is flat and has no anti-sticking layer (easy to stick), the self-adhesive label is not easy to fall off; or as shown in fig. 2, the product information is directly printed on the shrink film 1; when the adhesive tape is sold to users, the outer layer shrink film 1 is torn off and discarded, and the discarded shrink film is made of materials such as PET, PP, PE and the like, so that the environment pollution is caused, and the resource waste is also caused.
Disclosure of Invention
In order to solve the existing embarrassment (not environment-friendly and waste) of the adhesive tape outer package, the invention provides the self-adhesive label which can be directly stuck on the surface of the paper (such as the crepe paper, the paper and the like) adhesive tape with uneven surface, a shrink film is saved, and the self-adhesive label can be degraded after being discarded, thereby simplifying the packaging production process, being environment-friendly and avoiding the resource waste.
The invention provides a direct-sticking type adhesive sticker label which is prepared by the following method:
the method comprises the following steps: preparing glue: according to a proportioning table of a glue formula, materials are sequentially added into a reaction kettle to be stirred, a certain temperature is kept to enable the materials to be dissolved, and after the materials are completely dissolved, the glue is manufactured.
Step two: gluing: taking the prepared glue, drawing the release paper (substrate) into a machine, conveying the release paper (substrate) to a gluing head for gluing, drying the glue surface under the action of high temperature through a machine oven after gluing, cooling the glue surface through a cooling roller, compounding the glue surface with a base material, and finally finishing rolling.
Step three: cutting: cutting the adhesive label coated with the adhesive into a finished product.
The method comprises the following specific steps:
step one, glue preparation: rubber banburying = melting and stirring = cooling = > placing rubber for storage
(1.1) rubber Banbury mixing
The raw rubber sheets are put into an internal mixer for internal mixing, the internal mixing temperature is 110-120 ℃, and the internal mixing time is 10-15 minutes.
(1.2) melting and stirring
The glue making materials were added according to the formulation of "glue making materials formulation table" in table 1.
TABLE 1 proportioning table for glue-making materials
1) Firstly, quantitatively putting the solvent into a rubber making kettle, adding the internally mixed rubber, starting stirring at the stirring speed of 25-35 rpm, adding the solvent while stirring, and continuing stirring for 25-30 minutes after the rubber is added.
2) Putting resin (solid state) into a glue making kettle, stirring while adding material, increasing the stirring speed to 30-35 r/min, adopting a non-auxiliary heating glue making process, reacting, stirring, rubbing, shearing and self-heating to raise the temperature of the glue making kettle, controlling the temperature to be between 80 and 85 ℃, cooling by cooling water if the temperature is higher than the temperature, and stirring for 7.5-8 hours.
3) Adding polyisobutylene, antioxidant and naphthenic oil into a glue making kettle, stirring while feeding, increasing the stirring speed to 35-40 r/min, controlling the temperature to be 85-90 ℃, cooling by introducing cooling water if the temperature is over, and maintaining the stirring process for 1.5-2 hours.
4) And finally, adding the tackifying liquid resin into the glue making kettle, stirring while feeding, keeping the stirring speed at 35-40 revolutions per minute, controlling the temperature at 85-90 ℃, introducing cooling water for cooling if the temperature is higher than the preset temperature, and keeping the stirring process for 2.5-3 hours.
(1.3) Cooling
After stirring, the materials are completely dissolved into liquid, cooling water is introduced into the glue making kettle for slow cooling, the cooling process is carried out for 30-40 minutes, the stirring speed is reduced to 10-15 revolutions per minute, the temperature of the glue is reduced to 25 +/-2 ℃, sampling detection is carried out, the viscosity value of the glue is 45000-55000, and the solid content is 32 +/-2%.
(1.4) glue-releasing storage
And (3) opening a valve and a delivery pump, delivering the glue in the glue making kettle to a filter (a 150-200 mesh filter screen) through a pipeline, and delivering the filtered glue to a glue storage tank for later use.
Step two: glue application
The transfer gluing process is adopted, glue is firstly coated on release paper, and then the release paper is compounded with a base material.
2.1 Prepared with glue: the amine curing agent accounting for 0.3-0.7% of the total amount of the glue is added into the prepared glue before coating, so that the weather resistance of the glue is improved.
2.2 And (4) gluing: drawing the release paper into a machine gluing head, pumping the glue added with the auxiliary agent into a glue groove, gluing by using a scraper, coating the glue on the glue coating surface of the release paper, controlling the glue coating amount and the glue uniformity by adjusting the gap between the scraper and a back glue roller, controlling the glue amount to be 18-28 g/square meter according to the product requirement, not heating the machine of a gluing section, controlling the glue coating speed of the machine to be 30-50 m/min, and controlling the unreeling tension to be 0.3-0.8 Kgf.
2.3 Drying/compounding: the release paper coated with the glue enters an oven drying and recycling system, 12 sections of ovens are arranged totally, the temperatures of the ovens from 1 st section to 12 th section are controlled to be 60 +/-5 ℃, 70 +/-5 ℃, 80 +/-5 ℃, 90 +/-5 ℃, 100 +/-5 ℃, 105 +/-5 ℃, 110 +/-5 ℃, 100 +/-5 ℃, 90 +/-5 ℃ and 80 +/-5 ℃ in sequence, the glue is dried and then sent to a compound roller, the glue surface is compounded with a non-printing surface of a base material (coated paper or film), the compounded glue surface enters a winding frame for winding, the dryness is controlled to be 2-5%, and the winding tension is controlled to be 20-25 Kgf.
Step three: cutting is carried out
And cutting the mother roll coated with the adhesive to obtain the finished adhesive sticker for use.
The invention also provides a direct-adhesive type adhesive sticker which is prepared by the method.
The invention also provides application of the direct-sticking type adhesive sticker, wherein the adhesive sticker is used for being directly stuck on the surface of an article with an uneven surface and an anti-sticking coating, such as the surface of a beautiful paper, a Japanese paper adhesive tape or the surface of other paper adhesive tape products.
The self-adhesive label provided by the invention has 3 obvious beneficial effects:
1) Unique viscosity: the adhesive tape can be attached to the surface of a paper adhesive tape subjected to anti-sticking treatment, has better viscosity than a common adhesive tape, can be directly attached to the surface of a textured paper adhesive tape, saves a shrink film and a packaging heating process, and saves energy consumption and production cost.
2) Better weather resistance: the adhesive sticker has better weather resistance than common adhesive stickers, can adapt to climatic conditions with large fluctuation in the process of container transportation and storage, and does not warp for a long time after being attached.
3) Removing the residual glue: the adhesive tape has better removability than common adhesive tapes, no adhesive residue is left after the adhesive tape is removed, and no material is wasted (if the adhesive residue exists, the section of textured paper adhesive tape cannot be used and needs to be discarded).
Drawings
FIG. 1 is a schematic diagram of one embodiment of the prior art;
FIG. 2 is a schematic view of another embodiment of the prior art;
fig. 3 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The use mode of the self-adhesive sticker provided by the invention is shown in figure 3, the self-adhesive sticker label 3 is directly stuck on the surface of the pattern paper or a similar product 4, and a shrink film 1 is not needed.
Example 1
The method comprises the following steps: preparing glue: rubber banburying = melting stirring = cooling = rubber storage
(1.1) rubber Banbury mixing
And (3) putting the raw rubber sheets into an internal mixer for internal mixing, wherein the internal mixing temperature is 113 ℃, and the internal mixing time is 12 minutes.
(1.2) melting and stirring
The glue making materials were added according to the formulation of "glue making materials formulation table" in table 1.
TABLE 1 proportioning table for glue-making materials
1) Firstly, quantitatively putting the solvent into a rubber making kettle, adding the internally mixed rubber, starting stirring at the stirring speed of 30 revolutions per minute, adding the solvent while stirring, and continuing stirring for 27 minutes after the rubber is added.
2) Putting rosin resin and petroleum resin (C5) into a glue making kettle, stirring while adding materials, increasing the stirring speed to 32 r/min, adopting a non-auxiliary heating glue making process, reacting, stirring, rubbing, shearing and self-heating to raise the temperature of the glue making kettle, controlling the temperature between 80 and 82 ℃, and stirring and maintaining for 8 hours.
3) Adding polyisobutylene, antioxidant 168 and naphthenic oil into a glue making kettle, stirring while adding materials, increasing the stirring speed to 36 r/min, controlling the temperature between 88 and 90 ℃, and maintaining the stirring process for 1.5 hours.
4) And finally, adding the tackifying liquid resin into the glue making kettle, stirring while feeding, keeping the stirring speed at 38 revolutions per minute, controlling the temperature between 89 and 90 ℃, and keeping the stirring process for 2.5 hours.
(1.3) Cooling
After stirring, the materials are completely dissolved into liquid, cooling water is introduced into the glue making kettle for slow cooling, the cooling process is carried out for 35 minutes, the stirring speed is reduced to 12 revolutions per minute, the temperature of the glue is reduced to 26 ℃, sampling detection is carried out, the viscosity value of the glue is 51000, and the solid content is 33.5%.
(1.4) glue-releasing storage
And (3) opening a valve and a delivery pump, delivering the glue in the glue making kettle to a filter (a 180-mesh filter screen) through a pipeline, and delivering the filtered glue to a glue storage tank.
Step two: glue spreading
The transfer gluing process is adopted, glue is firstly coated on release paper, and then the release paper is compounded with a base material.
2.1 And (c) preparing the glue: 0.35 percent of amino curing agent is added into the prepared glue before coating, the stirring speed is 50 r/min, and the stirring time is 10 min.
2.2 And (4) gluing: drawing the release paper into a gluing and coating head of a machine table, pumping glue into a glue groove, coating the glue by using a scraper, coating the glue on the gluing surface of the release paper, controlling the gluing amount and the uniformity by adjusting the gap between the scraper and a back glue roller, controlling the glue amount to be 23-25 g/square meter according to the product requirement, not heating the machine table at the gluing section, controlling the gluing speed of the machine table to be 40 m/min and controlling the unreeling tension to be 0.4Kgf.
2.3 Drying/compounding: the release paper coated with the glue enters an oven drying and recycling system with 12 sections of ovens, the temperature of the ovens from 1 st to 12 th is controlled to be 65 ℃, 75 ℃, 83 ℃, 93 ℃, 102 ℃, 108 ℃, 115 ℃, 110 ℃, 100 ℃, 90 ℃ and 80 ℃ in sequence, the glue is dried and then sent to a composite roller, the glue surface is compounded with the non-printing surface of a substrate (coated paper or film), the substrate is coiled in a coiling frame after being compounded, the dryness is controlled to be 3-4 percent, and the coiling tension is controlled to be 23-24 Kgf.
Step three: cutting is carried out
And cutting the mother roll coated with the adhesive to obtain the finished adhesive sticker for use.
Performance test
The adhesive sticker prepared in the embodiment is compared with common adhesive stickers in the market, and the laboratory environment is 23 +/-2 ℃,50% +/-5 (RH)
While the foregoing is directed to the preferred embodiment and mode of the invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (6)
1. A preparation method of a direct-adhesive sticker is characterized by comprising the following steps:
step one, glue preparation
(1.1) rubber Banbury mixing
The raw rubber sheets are put into an internal mixer for internal mixing, the internal mixing temperature is 110-120 ℃, and the internal mixing time is 10-15 minutes;
(1.2) melting and stirring
(1.2.1) preparing the following glue making materials in parts by mass according to the mixture ratio:
1.2.2 Putting the solvent into a rubber making kettle, adding the banburying rubber, starting stirring at the stirring speed of 25-35 r/min, adding the banburying rubber while stirring, and continuing stirring for 25-30 min after the rubber is added;
1.2.3 Putting the solid resin into a glue kettle, stirring while adding the material, increasing the stirring speed to 30-35 r/min, controlling the temperature to be 80-85 ℃, and stirring for 7.5-8 hours;
1.2.4 Charging polyisobutylene, antioxidant and naphthenic oil into a glue making kettle, stirring while feeding, increasing the stirring speed to 35-40 r/min, controlling the temperature to 85-90 ℃, and maintaining the stirring process for 1.5-2 hours;
1.2.5 Finally, adding the tackifying liquid resin into a glue making kettle, stirring while adding materials, keeping the stirring speed at 35-40 r/min, controlling the temperature at 85-90 ℃, cooling by introducing cooling water if the temperature is over, and keeping the stirring process for 2.5-3 hours;
(1.3) Cooling
After stirring, completely dissolving the materials into a liquid state, introducing cooling water into the glue making kettle for slow cooling, wherein the cooling process is carried out for 30-40 minutes, the stirring speed is reduced to 10-15 revolutions per minute, and when the temperature of the glue is reduced to 25 +/-2 ℃, sampling detection shows that the viscosity value of the glue is 45000-55000 and the solid content is 32 +/-2%;
(1.4) storing by dispensing
Filtering the glue in the glue making kettle, and conveying the filtered glue to a glue storage tank for later use;
step two: glue spreading
2.1 And (c) preparing the glue: the prepared glue needs to be added with an amine curing agent before coating, so that the weather resistance of the glue is improved;
2.2 And (4) gluing: coating the adhesive on the adhesive-coated surface of the release paper by a scraper, wherein the adhesive amount is controlled to be 18-28 g/square meter, the machine table of the adhesive-coated section is not heated, the adhesive-coating speed of the machine table is 30-50 m/min, and the unreeling tension is controlled to be 0.3-0.8 Kgf;
2.3 Drying/compounding: the release paper coated with the glue enters an oven for drying, 12 sections of ovens are arranged in total, the temperatures of the ovens from 1 st section to 12 th section are controlled to be 60 +/-5 ℃, 70 +/-5 ℃, 80 +/-5 ℃, 90 +/-5 ℃, 100 +/-5 ℃, 105 +/-5 ℃, 110 +/-5 ℃, 100 +/-5 ℃, 90 +/-5 ℃ and 80 +/-5 ℃, the glue is dried and then sent to a composite roller for compounding, the glue enters a winding frame for winding after being compounded, the dryness is controlled to be 2-5%, and the winding tension is controlled to be 20-25 Kgf.
2. The method for preparing the direct-stick adhesive sticker as claimed in claim 1, wherein the solid resin is one or more of rosin resin, C5 petroleum resin, hydrogenated resin or terpene resin.
3. The method for preparing the direct-stick adhesive sticker as claimed in claim 1, wherein the liquid resin is phenolic resin and/or terpene resin.
4. The self-adhesive sticker prepared by the method for preparing a direct-adhesive sticker as claimed in any one of claims 1 to 3.
5. The use of the sticker according to claim 4, wherein the sticker is attached to the surface of a paper tape product subjected to release treatment.
6. The use of the sticker as claimed in claim 5, wherein the sticker is used for sticking on the surface of a paper or a paper tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211451158.1A CN115806784A (en) | 2022-11-18 | 2022-11-18 | Direct-sticking type adhesive sticker and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211451158.1A CN115806784A (en) | 2022-11-18 | 2022-11-18 | Direct-sticking type adhesive sticker and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115806784A true CN115806784A (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211451158.1A Pending CN115806784A (en) | 2022-11-18 | 2022-11-18 | Direct-sticking type adhesive sticker and manufacturing method thereof |
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|---|---|
| CN (1) | CN115806784A (en) |
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- 2022-11-18 CN CN202211451158.1A patent/CN115806784A/en active Pending
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Address after: No. 19 Hangzhou Road, Yuanshangang Industrial Park, Dongxiang District, Fuzhou City, Jiangxi Province, 331800 Applicant after: JIANGXI YONGGUAN TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 331800 No. 19, Hangzhou Road, Yuanshangang Industrial Park, Dongxiang County, Fuzhou City, Jiangxi Province Applicant before: JIANGXI YONGGUAN TECHNOLOGY DEVELOPMENT CO.,LTD. |