CN110904722B - Preparation process for improving rib definition - Google Patents
Preparation process for improving rib definition Download PDFInfo
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- CN110904722B CN110904722B CN201911166203.7A CN201911166203A CN110904722B CN 110904722 B CN110904722 B CN 110904722B CN 201911166203 A CN201911166203 A CN 201911166203A CN 110904722 B CN110904722 B CN 110904722B
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- cigarette paper
- pulp
- guar gum
- fiber slurry
- slurry
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Classifications
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- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/31—Gums
- D21H17/32—Guar or other polygalactomannan gum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a preparation process for improving the definition of ribs, which comprises the following steps: mixing the long fiber slurry, the short fiber slurry, the guar gum and the auxiliary agent uniformly to prepare mixed slurry; preparing the mixed pulp into a cigarette paper base; and (3) carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs. According to the preparation process for improving the rib print definition, guar gum is added into the cigarette paper raw material slurry, so that the high tensile strength of the cigarette paper is ensured, the rib print definition is improved, and the appearance quality of the cigarette paper is optimized under the condition that all physical indexes of the cigarette paper are not influenced.
Description
Technical Field
The invention relates to the technical field of cigarette paper,
in particular, the invention relates to a preparation process for improving the definition of the rib.
Background
The clarity of the ribs on the cigarette paper, also called rib strength, is an important index affecting the appearance of the cigarette paper. The rib definition is the three-dimensional expression of the concave-convex degree of the impression marks on the surface of the cigarette paper by the engraving machine, and reflects the depth of the ribs of the cigarette paper, and the deeper the ribs are, the higher the rib definition is. The reason for impressing the ribs on the cigarette paper is to make the appearance of the cigarette more beautiful, so the higher the definition of the ribs is, the better the definition of the ribs is; however, too deep ribs reduce the tensile strength of the cigarette paper, making the cigarette paper susceptible to breakage during wrapping. Therefore, how to improve the definition of the ribs on the cigarette paper under the condition of ensuring that the cigarette paper has higher tensile strength is a current research problem.
Guar gum is a natural vegetable gum extracted from guar beans and is often used as a papermaking aid to improve paper strength, formation, retention and drainage properties, and the like. In the prior art, researches on the improvement of the rib print definition of the cigarette paper are mainly carried out on aspects of the raw material pulp of the cigarette paper, the pulp proportion, the beating degree, the calcium carbonate form, the squeezing pressure, the rib print pressure, the paper quantification and the like, and no people research the application of the guar gum in the improvement of the rib print definition of the cigarette paper.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a preparation process for improving the definition of the rib.
In order to solve the problems, the invention adopts the following technical scheme:
a preparation process for improving the definition of ribs comprises the following steps:
mixing the long fiber slurry, the short fiber slurry, the guar gum and the auxiliary agent uniformly to prepare mixed slurry;
preparing the mixed pulp into a cigarette paper base;
and (3) carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs.
Preferably, the mixed slurry is prepared by the following steps:
adding the guar gum into the short fiber slurry and uniformly mixing to prepare short fiber slurry containing guar gum;
and adding the auxiliary agent into the short fiber slurry containing the guar gum, and then uniformly mixing the auxiliary agent with the long fiber slurry.
Preferably, the mass ratio of the long fiber slurry, the short fiber slurry, the guar gum and the auxiliary agent is as follows: (20-40): (60-80): (0.02-0.1): (25-35).
Preferably, the long fiber pulp is softwood pulp; the short fiber pulp is broadleaf wood pulp; the auxiliary agent comprises light calcium carbonate, a soot regulator and a combustion regulator.
Preferably, the size of the short fiber slurry containing guar gum is 20-30oSR, the pulp degree of the long fiber pulp is 80-90 oSR。
Preferably, the hardwood pulp is at least one of birch pulp or eucalyptus pulp.
Preferably, the soot modifier is ammonium dihydrogen phosphate; the combustion regulator is organic acid alkali metal salt.
Compared with the prior art, the invention has the technical effects that:
according to the preparation process for improving the rib print definition, guar gum is added into the cigarette paper raw material slurry, so that the high tensile strength of the cigarette paper is ensured, the rib print definition is improved, and the appearance quality of the cigarette paper is optimized under the condition that all physical indexes of the cigarette paper are not influenced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example of the invention to prepare 30g/m260CU vertical stripe cigarette paper is taken as an example, and provides a preparation process for improving the rib definition, which comprises the following steps:
(1) mixing the long fiber slurry, the short fiber slurry, the guar gum and the auxiliary agent uniformly to prepare mixed slurry;
(2) preparing the mixed pulp into a cigarette paper base;
(3) and (3) carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs.
Guar gum is chemically polygalactomannose, which takes polymannose as a molecular main chain, and D-mannopyranose units are connected with each other by beta (1-4) glycosidic bonds. And D-galactopyranose is linked to the polymannan backbone by an alpha (1-6) linkage. The molar ratio of mannose to galactose units in guar gum is 2: 1, i.e. every other mannose unit is linked to a galactose branch. It is very similar to cellulose structure, has strong affinity to cellulose and is easily dispersed in fiber slurry. Because each mannose or galactose in the guar gum molecular structure has hydroxyl, the water absorption capacity is strong, the beating can be promoted, and the deformation of the fiber in the subsequent rib embossing process is facilitated, so that the rib definition on the cigarette paper is improved.
According to the embodiment, guar gum is added into the cigarette paper raw material slurry, so that the higher tensile strength of the cigarette paper is ensured, the rib definition is improved, and the appearance quality of the cigarette paper is optimized under the condition that the physical indexes of the cigarette paper are not influenced.
Preferably, the mixed slurry in the step (1) is prepared by the following steps:
(11) adding the guar gum into the short fiber slurry and uniformly mixing to prepare short fiber slurry containing guar gum;
(12) and adding the auxiliary agent into the short fiber slurry containing the guar gum, and then uniformly mixing the auxiliary agent with the long fiber slurry.
The mass ratio of the long fiber slurry to the short fiber slurry to the guar gum to the auxiliary agent is as follows: (20-40): (60-80): (0.02-0.1): (25-35). Guar gum is dispersed in the short fiber slurry more quickly, the dispersion effect is better, the guar gum and the short fiber slurry are mixed in advance, the preparation time of the mixed slurry can be effectively shortened, and the production efficiency is improved. However, the content of the guar gum in the mixed slurry is not high enough, and too high content can cause difficulty in dewatering the net part in the production process of the cigarette paper base and increase the dewatering energy consumption.
Preferably, the long fiber pulp is softwood pulp; the short fiber pulp is broadleaf wood pulp; the hardwood pulp is at least one of birch pulp or eucalyptus pulp. The auxiliary agent comprises light calcium carbonate, a soot regulator and a combustion regulator. The soot regulator can be selected from ammonium dihydrogen phosphate; the combustion modifier may be selected from alkali metal salts of organic acids, such as potassium citrate. The light calcium carbonate can improve the whiteness, transparency and the like of the cigarette paper; the ammonium dihydrogen phosphate can improve the ash wrapping effect of the cigarette paper; the combustion regulator can regulate the combustion performance of the cigarette paper. The mass ratio of the light calcium carbonate, the soot regulator and the combustion regulator in the auxiliary agent is 30:1.5: 1.
The fiber length of the birch pulp is larger than that of the eucalyptus pulp, and the longer the fiber length is, the more easily the birch pulp deforms in the rib embossing process, so that the mixed pulp prepared from the birch pulp and the softwood pulp has better rib definition in the rib embossing process.
Preferably, the size of the short fiber slurry containing guar gum is 20-30 oSR, the pulp degree of the long fiber pulp is 80-90oSR。
In the embodiment of the invention, MP3000 type is selected to quantitatively measure the rib definition, and in the specific embodiment, the rib definition is expressed by a rib index.
The following is a further description with reference to specific examples.
Example 1
The embodiment 1 of the invention provides a preparation process for improving the rib definition, which comprises the following steps:
(1) mixing softwood pulp, birch pulp, guar gum and an auxiliary agent according to a mass ratio of 20: 80: 0.03: 25 mixing uniformly to prepare mixed slurry; specifically, the guar gum with the proportion is added to the pulp with the pulp degree of 30 oThe SR birch pulp is evenly mixed and then mixed with the pulp size of 85oUniformly mixing the SR softwood pulp and the auxiliary agent;
(2) forming and squeezing and dehydrating the mixed pulp on a paper machine to prepare a cigarette paper base, and controlling the flow of the mixed pulp to be 2000L/min and the squeezing pressure to be 65 kN/m;
(3) and (3) carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, wherein the rib pressure is 80kN/m, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs.
The physical indexes of the prepared cigarette paper are shown in table 1.
Table 1 physical indexes of cigarette paper prepared in example 1
Example 2
The embodiment 2 of the invention provides a preparation process for improving the rib definition, which comprises the following steps:
(1) mixing softwood pulp, birch pulp, guar gum and an auxiliary agent according to a mass ratio of 30: 70: 0.05: 30, mixing uniformly to prepare mixed slurry; specifically, the guar gum with the proportion is added to the pulp size of 25 oThe SR birch pulp is evenly mixed and then mixed with the pulp size of 90oUniformly mixing the SR softwood pulp and the auxiliary agent;
(2) forming and squeezing and dehydrating the mixed pulp on a paper machine to prepare a cigarette paper base, and controlling the flow of the mixed pulp to be 2000L/min and the squeezing pressure to be 75 kN/m;
(3) and (3) carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, wherein the rib pressure is 80kN/m, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs.
The physical indexes of the prepared cigarette paper are shown in table 2.
Table 2 physical indexes of cigarette paper prepared in example 2
Example 3
The embodiment 3 of the invention provides a preparation process for improving the rib definition, which comprises the following steps:
(1) mixing softwood pulp, eucalyptus pulp, guar gum and an auxiliary agent according to a mass ratio of 40: 60: 0.08: 35 mixing evenly to prepare mixed slurry; specifically, the guar gum with the proportion is added to the pulp size of 28 oThe SR eucalyptus pulp is evenly mixed and then mixed with the pulp size of 80oUniformly mixing the SR softwood pulp and the auxiliary agent;
(2) forming and squeezing and dehydrating the mixed pulp on a paper machine to prepare a cigarette paper base, and controlling the flow of the mixed pulp to be 2000L/min and the squeezing pressure to be 70 kN/m;
(3) and (3) carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, wherein the rib pressure is 80kN/m, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs.
The physical indexes of the prepared cigarette paper are shown in table 3.
Table 3 physical indicators of the cigarette paper prepared in example 3
Comparative example 1
The comparative example 1 of the invention provides a preparation process of cigarette paper, which is different from the preparation process of the example 1 in that guar gum is not added in the step (1) and the rest processes are the same.
The physical indexes of the prepared cigarette paper are shown in Table 4.
Table 4 physical indexes of cigarette paper prepared in comparative example 1
Comparative example 2
The comparative example 2 of the invention provides a preparation process of cigarette paper, which is different from the preparation process of the example 2 in that guar gum is not added in the step (1), and the rest processes are the same.
The physical indexes of the prepared cigarette paper are shown in Table 5.
TABLE 5 physical indexes of cigarette paper prepared in comparative example 2
Compared with the embodiment 1-embodiment 3, the guar gum is not added in the preparation process of the cigarette paper in the comparative example 1 and the comparative example 2, the rib index of the prepared cigarette paper is obviously reduced, and the rib definition is reduced, which shows that the guar gum is added in the cigarette paper raw material slurry in the preparation process for improving the rib definition, so that the cigarette paper is ensured to have higher tensile strength, the rib definition is improved, and the appearance quality of the cigarette paper is optimized under the condition of not influencing various physical indexes of the cigarette paper.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.
Claims (3)
1. A preparation process for improving the definition of ribs is characterized by comprising the following steps:
mixing the long fiber slurry, the short fiber slurry, the guar gum and the auxiliary agent uniformly to prepare mixed slurry;
preparing the mixed pulp into a cigarette paper base;
carrying out rib embossing on the cigarette paper base through a stainless steel roller and a back pressure rubber roller, and then drying, rewinding, cutting and packaging to obtain the cigarette paper with ribs;
the mixed slurry is prepared by the following steps:
adding the guar gum into the short fiber slurry and uniformly mixing to prepare short fiber slurry containing guar gum;
adding the auxiliary agent into the short fiber slurry containing guar gum, and then uniformly mixing the auxiliary agent with the long fiber slurry;
the mass ratio of the long fiber slurry to the short fiber slurry to the guar gum to the auxiliary agent is as follows: (20-40): (60-80): (0.02-0.1): (25-35); the long fiber slurry is softwood slurry; the short fiber pulp is broadleaf wood pulp; the auxiliary agent comprises light calcium carbonate, a soot regulator and a combustion regulator; the beating degree of the short fiber slurry containing the guar gum is 20-30oSR, the beating degree of the long fiber slurry is 80-90oSR。
2. The process of claim 1, wherein the hardwood pulp is at least one of birch pulp or eucalyptus pulp.
3. The process according to claim 1, wherein the soot modifier is ammonium dihydrogen phosphate; the combustion regulator is organic acid alkali metal salt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166203.7A CN110904722B (en) | 2019-11-25 | 2019-11-25 | Preparation process for improving rib definition |
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| CN201911166203.7A CN110904722B (en) | 2019-11-25 | 2019-11-25 | Preparation process for improving rib definition |
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| CN110904722B true CN110904722B (en) | 2022-03-11 |
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| CN112482092B (en) * | 2020-11-25 | 2022-12-30 | 牡丹江恒丰纸业股份有限公司 | Production process of transparent hand cigarette paper |
| CN113115973A (en) * | 2021-04-21 | 2021-07-16 | 河南卷烟工业烟草薄片有限公司 | Preparation method of reconstituted tobacco sheet base for heating cigarettes |
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| CN100523373C (en) * | 2007-09-28 | 2009-08-05 | 上海东升新材料有限公司 | Reinforcing agent for paper and its preparation method and application |
| CN102409577B (en) * | 2010-11-12 | 2013-11-06 | 杨涛 | Preparation method of natural-textured cigarette paper |
| CN103469677B (en) * | 2013-09-06 | 2016-09-21 | 湖北中烟工业有限责任公司 | A kind of cigarette paper of band pattern and fragrance and preparation method thereof |
| PH12014000291B1 (en) * | 2013-10-31 | 2016-05-02 | Glatz Julius Gmbh | Tobacco product wrapping material with controlled burning properties |
| CN104957749B (en) * | 2015-07-09 | 2017-06-13 | 川渝中烟工业有限责任公司 | A kind of method for improving papermaking-method reconstituted tobaccos slurry retention |
| CN105672044B (en) * | 2016-03-01 | 2017-12-12 | 四川中烟工业有限责任公司 | The preparation method of cigar thin slice eggplant clothing |
| CN106245439A (en) * | 2016-08-25 | 2016-12-21 | 云南中烟工业有限责任公司 | A kind of colored embossed cigarettetissue and preparation method thereof |
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