CN113445368A - Production process of tipping paper for cigarette by coating water and sticking - Google Patents
Production process of tipping paper for cigarette by coating water and sticking Download PDFInfo
- Publication number
- CN113445368A CN113445368A CN202110684193.7A CN202110684193A CN113445368A CN 113445368 A CN113445368 A CN 113445368A CN 202110684193 A CN202110684193 A CN 202110684193A CN 113445368 A CN113445368 A CN 113445368A
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- Prior art keywords
- tipping paper
- glue
- cigarette
- printing
- water
- 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.)
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Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000576 coating method Methods 0.000 title claims description 12
- 239000011248 coating agent Substances 0.000 title claims description 11
- 239000003292 glue Substances 0.000 claims abstract description 58
- 238000007639 printing Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 238000007605 air drying Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000007646 gravure printing Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 abstract description 10
- 229920000297 Rayon Polymers 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 11
- 238000004026 adhesive bonding Methods 0.000 description 5
- 235000009508 confectionery Nutrition 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 235000003599 food sweetener Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 235000019605 sweet taste sensations Nutrition 0.000 description 3
- 239000003765 sweetening agent Substances 0.000 description 3
- 238000007865 diluting Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
Landscapes
- Paper (AREA)
Abstract
The invention provides a production process of tipping paper for cigarettes, which is glued immediately after being coated with water, and the method comprises the following steps of (1) preparing glue special for the tipping paper: blending the adhesive to the viscosity of 10-20 Pa.s; (2) printing a tipping paper which is sticky when being brushed with water: printing the special glue for the tipping paper on the back of the tipping paper; (3) and (3) air-drying the tipping paper obtained in the step (2). The special tipping paper, namely the viscose glue, which accords with the production and application of the tipping paper is obtained through blending, and is directly printed on the back of the tipping paper, so that the problems of glue overflow, glue throwing and glue sticking generated in the use of conventional glue are effectively avoided, the quality problems of edge warping, glue sticking infirm, bubble wrinkle, air leakage and the like of the cigarette finished tipping paper caused by uneven glue application are solved, and the quality of the product is effectively improved.
Description
Technical Field
The invention belongs to a production process of cigarettes, and particularly relates to a production process of tipping paper for cigarettes, which is pasted immediately after being coated with water.
Background
The tipping paper is a packing material for cigarette, is specially used as external package for butt joint of filter tip and cigarette in cigarette factory, and belongs to special industrial paper. In recent years, tipping paper has been greatly developed and innovated in function and use, with greater emphasis on decorativeness and functionality. Meanwhile, with the rising of the health and environmental protection of cigarettes, the health and environmental protection of tipping paper and the function of the tipping paper in cigarette tar reduction engineering in China and cigarette factories also put forward higher requirements. These have resulted in increasing performance requirements in various aspects of the tipping paper, as well as improvements in the production of cigarette packs from the tipping paper.
The process flow of the roll-up packaging tipping paper comprises the following working procedures: the tipping paper is fed from a tipping paper frame → a paper scraping strip → a paper feeding roller → a paper guide roller → a glue spreader → an oscillator (increasing back tension during cutting) → a pre-heating plate → a paper cutting wheel → a paper cutter → a comprehensive wheel → a plate twisting wheel (filter stick, cigarette) → a plate twisting (heat drying) → a punching wheel → a second cutting wheel. In the rolling and connecting process, the edge of the rubber coating roller is easy to generate rubber blocks during the operation of the nozzle rubber, so that rubber overflow and whirl coating are caused; the paper cutting wheel and the comprehensive wheel are easy to be glued. Poor cigarette twisting and splicing can cause the quality problems of edge warping of the tipping paper, infirm glue sticking, uneven gluing, bubble wrinkling, air leakage and the like. In the production process, in order to keep the rubber rollers clean and the equipment normal, the rubber rollers need to be replaced every morning shift cigarette making machine, each machine is used for one time, and the replaced rubber rollers need to be cleaned, so that the effective operation rate of the instrument is influenced.
Disclosure of Invention
The invention provides a production process and application of tipping paper for cigarettes, which is sticky after being coated with water, and aims to solve the defects in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: a production process of tipping paper for cigarettes coated with water and adhered to the cigarettes comprises the following steps of (1) preparation of special glue for the tipping paper: blending the adhesive to the viscosity of 10-20 Pa.s; (2) printing a tipping paper which is sticky when being brushed with water: printing the special glue for the tipping paper on the back of the tipping paper; (3) and (3) air-drying the tipping paper obtained in the step (2).
Preferably, in the step (1), the glue special for tipping paper has a solid content of 20-30% and a solid content of 5-7 g/m2Moisture content.
Preferably, in the step (2), the stampThe printing is gravure printing, the back coating plate of the printing machine has a depth of 60 μm and a mesh line of 60 lines/cm2The surface smoothness is 0.05mm, the general working pressure of a scraper of the gravure printing machine is 0.2-0.3 mpa, the hardness of an impression rubber roller is 65-70 HS, and the printing speed is 80-180 m/min.
Preferably, in the step (3), the air drying is carried out at a drying temperature of 90-100 ℃ and an air volume of 330m3/min。
Preferably, in the step (2), the temperature of the production workshop for printing is 24 +/-2 ℃ in spring and autumn, 27 +/-2 ℃ in summer and 22 +/-2 ℃ in winter; the humidity of the workshop is 65 +/-5 ℃ in spring and autumn, 70 +/-5 ℃ in summer and 60 +/-5 ℃ in winter.
The invention has the beneficial effects that: 1. chemical substances harmful to human bodies brought by the cigarette glue are effectively avoided, and the safety of the cigarette material is improved; 2. the problems of glue overflow, spin coating and gluing machines are fundamentally solved; 3. the quality problems of edge warping, infirm glue sticking, bubble wrinkle, air leakage and the like of the cigarette finished product tipping paper in the cigarette production are reduced; 4. the long-time effective operation of equipment can be kept, and the production cost and the working strength of operators are reduced.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments thereof will be described in detail with reference to the following examples.
Example 1
1) Adding water into a purchased adhesive (HY 001, Nanjing Yuan printing material Co., Ltd.) and stirring for dilution, wherein the viscosity of the diluted adhesive is controlled to be 15 pas, and the adhesive is used as special glue for tipping paper for production;
2) taking a tipping paper product of printing type base paper which is not cut, printing the back surface of the tipping paper product by special glue for production by a gravure printing process, wherein the printing process is gravure printing, the depth of a printing plate is 40 mu m, and a screen line is 60 lines/cm2The surface smoothness is 0.05mm, the general working pressure of a scraper of the gravure printing machine is 0.2-0.3 mpa, the hardness of an impression rubber roller is 65-70 HS, the printing speed of the gravure printing machine is 130m/min, and the drying temperature is 110 ℃;
3) cutting and balancing to obtain printed water-coated sticky tipping paper for cigarettes;
4) the glue coated in the original rolling and connecting process is replaced by water, printing type water coating, namely cigarette rolling and connecting of the sticky cigarette tipping paper is carried out on a potos-70 rolling and connecting machine, the machine speed is set to 6200 count/min, and the machine runs for 60mins, so that a cigarette product test sample is obtained.
And meanwhile, carrying out conventional tipping paper cigarette operation on another potos-70 cigarette making machine by using glue, setting the machine speed to 6200 cigarette/min, and operating the machine for 60mins to obtain a comparison sample of the cigarette product.
According to GB5606.6 cigarette part 6: the quality comprehensive judgment statistics shows that the quality problems of cigarette tipping paper such as edge warping, infirm glue sticking, bubble wrinkle, air leakage and the like (table 1), and the appearance quality of a product rolled by the cigarette tipping paper which is stuck by using printing type water coating is obviously superior to that of a contrast product.
Table 1 quality problem comparison table in production of printing tipping paper (one/ten thousand)
| Item | Warped edge | The glue is not firmly stuck | Bubble wrinkle | Air leakage |
| Comparative sample | 7 | 2 | 9 | 0 |
| Test sample | 3 | 0 | 4 | 0 |
After the cigarette is finished, the glue spreading roller, the paper cutting wheel and the comprehensive wheel of the two potos-70 cigarette rolling machines are respectively detached, glue blocks generated by glue overflowing, glue throwing and gluing on the two machines are collected and compared, and specific data are shown in table 2:
table 2 residual glue amount (g) of glue roller, paper cutting wheel and integrated wheel of cigarette making machine
| Glue spreading roller | Paper cutting wheel | Integrated wheel | |
| Contrast sample machine | 95 | 26 | 33 |
| Test sample machine | 11 | 0 | 0 |
The results show that after the cigarette machine produced by the invention runs for 60mins, the glue block quantity generated by glue overflow, glue throwing and gluing of the glue roller, the paper cutting wheel and the comprehensive wheel of the cigarette machine is obviously reduced, so that the cigarette machine can keep the cleanness of the glue roller and the normal equipment in the production process, the replacement frequency is reduced, the effective working time of the machine is prolonged, and the working intensity caused by replacement and cleaning of the glue roller by operators is reduced.
Example 2
1) Diluting the purchased adhesive with water, wherein the viscosity of the diluted adhesive is 15 Pa.s, and the diluted adhesive is special glue for tipping paper for production;
2) taking a tipping paper product of the uncut highlight base paper, and printing the back surface of the tipping paper product by special glue for production by a gravure printing process, wherein the printing process is gravure printing, the depth of a printing plate is 50 mu m, and the mesh line is 60 lines/cm2The surface smoothness is 0.05mm, the general working pressure of a scraper of the gravure printing machine is 0.2-0.3 mpa, the hardness of an impression rubber roller is 65-70 HS, the printing speed of the gravure printing machine is 150m/min, and the drying temperature is 100 ℃.
3) Cutting and balancing to obtain the high-gloss coated and bonded tipping paper for cigarettes.
4) The glue coated in the original rolling and connecting process is replaced by water, printing type water coating, namely cigarette rolling and connecting of the sticky cigarette tipping paper is carried out on a potos-70 rolling and connecting machine, the machine speed is set to 6200 count/min, and the machine runs for 60mins, so that a cigarette product test sample is obtained.
And meanwhile, carrying out conventional tipping paper cigarette operation on another potos-70 cigarette making machine by using glue, setting the machine speed to 6200 cigarette/min, and operating the machine for 60mins to obtain a comparison sample of the cigarette product.
According to GB5606.6 cigarette part 6: quality comprehensive judgment' statistics cigarette connects dress paper to stick up the limit, glue pastes quality problems such as insecure, bubble wrinkle, gas leakage (table 3), uses the product that cigarette that the high light type is scribbled water and is glued is rolled up with connecing dress paper, and the product has not only maintained the contrast and has connect the highlight characteristic of dress paper, and appearance quality also obviously is superior to the contrast product.
Table 3 highlight type tipping paper production quality problem comparison table (one/ten thousand)
| Item | Warped edge | The glue is not firmly stuck | Bubble wrinkle | Air leakage |
| Comparative sample | 11 | 3 | 6 | 0 |
| Test sample | 6 | 0 | 2 | 0 |
Example 3
1) Diluting the purchased adhesive with water, wherein the viscosity of the diluted adhesive is 17 pas, and the diluted adhesive is special glue for tipping paper for production;
2) taking an uncut tipping paper product containing the sweet sweetener, printing the back surface of the tipping paper product by special glue for production by a gravure printing process, wherein the printing process is gravure printing, the depth of a printing plate is 60 mu m, and the mesh line is 60 lines/cm2The surface smoothness is 0.05mm, the general working pressure of a scraper of the gravure printing machine is 0.2-0.3 mpa, the hardness of an impression rubber roller is 65-70 HS, the printing speed of the gravure printing machine is 180m/min, and the drying temperature is 120 ℃.
3) Cutting and balancing to obtain the tipping paper containing the sweet sweetener for the cigarette.
4) The glue coated in the original rolling and connecting process is replaced by water, printing type water coating, namely cigarette rolling and connecting of the sticky cigarette tipping paper is carried out on a potos-70 rolling and connecting machine, the machine speed is set to 6200 count/min, and the machine runs for 60mins, so that a cigarette product test sample is obtained.
And meanwhile, carrying out conventional tipping paper cigarette operation on another potos-70 cigarette making machine by using glue, setting the machine speed to 6200 cigarette/min, and operating the machine for 60mins to obtain a comparison sample of the cigarette product.
According to GB5606.6 cigarette part 6: the quality comprehensive judgment statistics shows that the cigarette tipping paper has quality problems of edge warping, infirm glue sticking, wrinkle soaking, air leakage and the like (table 4), and the product rolled by the tipping paper for the cigarette is glued by using water containing a sweet sweetener, so that the sweet characteristic of the tipping paper is maintained, and the appearance quality is obviously superior to that of a comparison product.
Table 4 comparison table of quality problems in sweet tipping paper production (one/ten thousand)
| Item | Warped edge | The glue is not firmly stuck | Bubble wrinkle | Air leakage | Sweet taste |
| Comparative sample | 7 | 3 | 4 | 0 | Moderate sweet taste |
| Test sample | 2 | 0 | 2 | 0 | Moderate sweet taste |
The cigarette products produced by the embodiment are respectively stored in a constant temperature and humidity box (the temperature is 22 +/-2 ℃ and the humidity is 60 +/-5%) for one week, two weeks, four weeks, six weeks and eight weeks, and the contents are determined according to GB5606.6 part 6 of cigarettes: quality comprehensive judgment' statistics cigarette connects quality problems such as dress paper perk limit, glue paste insecure, bubble wrinkle, gas leakage, and the concrete result is shown in following table 5:
TABLE 5 quality problem summary sheet (Ten/ten thousand) for cigarette product preservation process
| Warped edge | The glue is not firmly stuck | Bubble wrinkle | Air leakage | |
| One week | 3 | 0 | 4 | 0 |
| Two weeks | 3 | 0 | 4 | 0 |
| All around | 3 | 0 | 4 | 0 |
| Six weeks | 4 | 0 | 4 | 0 |
| Eight weeks | 4 | 0 | 4 | 0 |
The results show that the cigarette produced by the invention has good stability and no great change in product quality after long-term storage.
According to the invention, the tipping paper which is coated with water and is adhered is prepared, and the adhesive is added in the back coating process in the production process of the tipping paper, so that the glue for cigarettes can be replaced by water in the production of the cigarettes, the problems of glue blocks generated at the edge of a glue coating roller, adhesion on a paper cutting wheel and a comprehensive wheel in the production process of the cigarettes are avoided, and the problems of reduced production efficiency, high working strength of operators and the like caused by the replacement of the glue coating roller in the production process are also reduced; the quality problems of edge warping of cigarette finished tipping paper, infirm glue adhesion, bubble wrinkling, air leakage and the like caused by uneven gluing are well solved, and the material disclosed by the invention is good in stability and high in safety and has good market value and application prospect.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. A production process of tipping paper for cigarettes coated with water and stuck instantly is characterized in that: comprises the following steps of (a) carrying out,
(1) preparing glue special for tipping paper: blending the adhesive to the viscosity of 10-20 Pa.s;
(2) printing a tipping paper which is sticky when being brushed with water: printing the special glue for the tipping paper on the back of the tipping paper;
(3) and (3) air-drying the tipping paper obtained in the step (2).
2. A process for the production of water-coated, i.e. sticky, cigarette tipping paper according to claim 1, wherein: in the step (1), the glue special for tipping paper has a solid content of 20-30% and a moisture content of 5-7 g/m2。
3. A process for the production of water-coated, i.e. sticky, cigarette tipping paper according to claim 1, wherein: in the step (2), the printing is gravure printing, the depth of a back coating printing plate of a printing machine is 60 mu m, and the mesh line is 60 lines/cm2The surface smoothness is 0.05mm, the general working pressure of a scraper of the gravure printing machine is 0.2-0.3 mpa, the hardness of an impression rubber roller is 65-70 HS, and the printing speed is 80-180 m/min.
4. A process for the production of water-coated, i.e. sticky, cigarette tipping paper according to claim 1, wherein: in the step (3), the air drying is carried out, wherein the drying temperature is 90-100 ℃, and the air volume is 330m3/min。
5. A process for the production of water-coated, i.e. sticky, cigarette tipping paper according to claim 1, wherein: in the step (2), the temperature of the printing workshop is 24 +/-2 ℃ in spring and autumn, 27 +/-2 ℃ in summer and 22 +/-2 ℃ in winter; the humidity of the workshop is 65 +/-5 ℃ in spring and autumn, 70 +/-5 ℃ in summer and 60 +/-5 ℃ in winter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110684193.7A CN113445368A (en) | 2021-06-21 | 2021-06-21 | Production process of tipping paper for cigarette by coating water and sticking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110684193.7A CN113445368A (en) | 2021-06-21 | 2021-06-21 | Production process of tipping paper for cigarette by coating water and sticking |
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| Publication Number | Publication Date |
|---|---|
| CN113445368A true CN113445368A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110684193.7A Pending CN113445368A (en) | 2021-06-21 | 2021-06-21 | Production process of tipping paper for cigarette by coating water and sticking |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518001A (en) * | 2011-12-26 | 2012-06-27 | 潍坊华港包装材料有限公司 | Tipping paper for cigarettes and production process for tipping paper |
| CN106351072A (en) * | 2016-08-26 | 2017-01-25 | 浙江荣丰纸业有限公司 | Alcohol-soluble highlight oil and production process of tipping paper for highlight cigarettes |
| CN107460773A (en) * | 2017-08-25 | 2017-12-12 | 湖北淡雅香生物科技股份有限公司 | One kind transfer class tipping paper Anti-curling production technology |
| CN110644280A (en) * | 2019-09-26 | 2020-01-03 | 安徽集友纸业包装有限公司 | Back coating material for cigarette tipping paper, cigarette tipping paper and preparation method thereof |
| CN111925753A (en) * | 2020-07-20 | 2020-11-13 | 华南理工大学 | Cigarette phase change material of tipping paper for cigarettes and preparation method and application thereof |
| CN112051177A (en) * | 2020-08-26 | 2020-12-08 | 云南中烟工业有限责任公司 | Method for detecting lip adhesion force of cigarette tipping paper |
-
2021
- 2021-06-21 CN CN202110684193.7A patent/CN113445368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518001A (en) * | 2011-12-26 | 2012-06-27 | 潍坊华港包装材料有限公司 | Tipping paper for cigarettes and production process for tipping paper |
| CN106351072A (en) * | 2016-08-26 | 2017-01-25 | 浙江荣丰纸业有限公司 | Alcohol-soluble highlight oil and production process of tipping paper for highlight cigarettes |
| CN107460773A (en) * | 2017-08-25 | 2017-12-12 | 湖北淡雅香生物科技股份有限公司 | One kind transfer class tipping paper Anti-curling production technology |
| CN110644280A (en) * | 2019-09-26 | 2020-01-03 | 安徽集友纸业包装有限公司 | Back coating material for cigarette tipping paper, cigarette tipping paper and preparation method thereof |
| CN111925753A (en) * | 2020-07-20 | 2020-11-13 | 华南理工大学 | Cigarette phase change material of tipping paper for cigarettes and preparation method and application thereof |
| CN112051177A (en) * | 2020-08-26 | 2020-12-08 | 云南中烟工业有限责任公司 | Method for detecting lip adhesion force of cigarette tipping paper |
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Application publication date: 20210928 |