CN114411448A - Base paper containing tobacco lining and preparation method thereof - Google Patents
Base paper containing tobacco lining and preparation method thereof Download PDFInfo
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- CN114411448A CN114411448A CN202210070151.9A CN202210070151A CN114411448A CN 114411448 A CN114411448 A CN 114411448A CN 202210070151 A CN202210070151 A CN 202210070151A CN 114411448 A CN114411448 A CN 114411448A
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- tobacco
- mass
- fiber
- base paper
- plant
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 161
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 161
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 290
- 239000000123 paper Substances 0.000 claims abstract description 131
- 241000196324 Embryophyta Species 0.000 claims abstract description 118
- 239000002994 raw material Substances 0.000 claims abstract description 67
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 30
- 239000000284 extract Substances 0.000 claims abstract description 26
- 239000000945 filler Substances 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 238000003618 dip coating Methods 0.000 claims abstract description 18
- 235000013808 oxidized starch Nutrition 0.000 claims abstract description 18
- 239000001254 oxidized starch Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 22
- 238000010009 beating Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 18
- 229920002472 Starch Polymers 0.000 claims description 16
- 125000002091 cationic group Chemical group 0.000 claims description 16
- 239000008107 starch Substances 0.000 claims description 16
- 235000019698 starch Nutrition 0.000 claims description 16
- 229920002401 polyacrylamide Polymers 0.000 claims description 15
- -1 alkyl ketene dimer Chemical compound 0.000 claims description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 10
- 208000005156 Dehydration Diseases 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 9
- 238000006297 dehydration reaction Methods 0.000 claims description 9
- 239000000049 pigment Substances 0.000 claims description 9
- 238000003490 calendering Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 4
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- 235000019504 cigarettes Nutrition 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 5
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- 238000004061 bleaching Methods 0.000 description 6
- 239000011436 cob Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 244000166124 Eucalyptus globulus Species 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
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- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 241000252229 Carassius auratus Species 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 241000219000 Populus Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 2
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- 239000012467 final product Substances 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
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- YKVWPZJHENXDAJ-VOTSOKGWSA-N Megastigmatrienone Chemical compound CC1=CC(=O)CC(C)(C)C1\C=C\C=C YKVWPZJHENXDAJ-VOTSOKGWSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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- PQDRXUSSKFWCFA-CFNZNRNTSA-N solanone Chemical compound CC(=O)CC[C@@H](C(C)C)\C=C\C(C)=C PQDRXUSSKFWCFA-CFNZNRNTSA-N 0.000 description 1
- PQDRXUSSKFWCFA-UHFFFAOYSA-N solanone Natural products CC(=O)CCC(C(C)C)C=CC(C)=C PQDRXUSSKFWCFA-UHFFFAOYSA-N 0.000 description 1
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Images
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
- D21H27/10—Packing paper
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- 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
- D21H15/06—Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making fibres; Filaments
-
- 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
- D21H17/02—Material of vegetable origin
-
- 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/17—Ketenes, e.g. ketene dimers
-
- 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
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of raw paper production, and particularly relates to raw paper containing a tobacco lining and a preparation method thereof. The raw materials of the base paper containing the tobacco lining comprise fiber raw materials, fillers and papermaking auxiliaries; also comprises a paper machine dip coating auxiliary agent and/or a printing auxiliary agent; the paper machine dip-coating auxiliary agent comprises oxidized starch and tobacco extract. According to the invention, the novel lining base paper for the cigarette is produced by adding the tobacco fiber and the long and short unbleached plant fibers into the bleached plant fibers and coating the tobacco extract to replace the traditional 100% bleached plant fiber papermaking base paper, so that the use requirements are met, and meanwhile, the sense and taste are met.
Description
Technical Field
The invention belongs to the technical field of raw paper production, and particularly relates to raw paper containing a tobacco lining and a preparation method thereof.
Background
Along with diversified development in the field of tobacco packaging and increasing demand of personalized experience of users, research on functionality of lining base paper for cigarettes by various base paper manufacturers is also deepened, the existing lining base paper for cigarettes is mainly realized by adopting 100% bleached plant fibers for papermaking, and a material factory processes the lining base paper for cigarettes by adopting 100% bleached plant fibers for compounding aluminum foils, transferring aluminum foils, directly plating aluminum foils, printing and gold stamping and the like to realize a packaging function.
On one hand, the appearance generated by bleaching the plant fiber by 100% in the traditional product is single, on the other hand, the traditional product lacks of sense of taste satisfaction in sense, and on the one hand, the traditional product also lacks of the innovative concept of realizing the cigarette material by matching with the color design of the cigarette case.
Therefore, it is urgently needed to develop a novel cigarette material which can increase the taste satisfaction of users and has a unique appearance effect, and simultaneously, the concept of environmental protection, cleanness and health can be fully embodied by the contribution of tobacco recycling to the tobacco packaging industry.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a tobacco-containing lining base paper and a method for preparing the same, which are used to solve the problems of the prior art.
To achieve the above objects and other related objects, the present invention is achieved by the following technical solutions.
The first aspect of the invention provides raw materials of the tobacco-containing lining base paper, which comprise fiber raw materials, fillers and papermaking auxiliary agents; also comprises a paper machine dip coating auxiliary agent and/or a printing auxiliary agent; the paper machine dip-coating auxiliary agent comprises oxidized starch and tobacco extract.
In some embodiments of the present invention, the fiber raw material comprises the following components by mass percent:
in some embodiments of the invention, the filler is selected from the group consisting of light calcium carbonate; preferably, the light calcium carbonate has a particle size of 3.0 to 5.0. mu.m.
In some embodiments of the invention, the filler is present in an amount of 5% to 15% by mass of the fibrous raw material.
In some embodiments of the invention, the papermaking agent is selected from the group consisting of a combination of one or more of alkyl ketene dimer, polyacrylamide and cationic starch.
In some embodiments of the invention, the mass of the papermaking agent is 1.2% to 1.8% of the mass of the fiber raw material.
In some embodiments of the invention, the papermaking agent comprises an alkyl ketene dimer, a polyacrylamide, and a cationic starch.
In some embodiments of the invention, the mass of the alkyl ketene dimer is 0.8% to 1.0% of the mass of the fiber feedstock.
In some embodiments of the invention, the mass of the polyacrylamide is 0.1% to 0.3% of the mass of the fiber raw material.
In some embodiments of the invention, the mass of the cationic starch is 0.3% to 0.5% of the mass of the fiber raw material.
In some embodiments of the invention, the mass of the paper machine dip coating aid is between 0.1% and 0.3% of the mass of the fiber raw material.
In some embodiments of the invention, the mass ratio of the oxidized starch to the tobacco extract is 1-2: 1 to 4.
In some embodiments of the invention, the mass of the tobacco extract is 0.1% to 0.3% of the mass of the fibrous raw material.
In some embodiments of the invention, the printing aid is selected from pigments.
In another aspect of the present invention, a method for preparing a base paper for a tobacco-containing liner according to the present invention comprises the following steps:
1) mixing bleached plant fibers, unbleached plant long fibers, unbleached plant short fibers and tobacco fibers to provide mixed pulp;
2) mixing the mixed pulp provided in step 1) with a filler to provide a mixed pulp;
3) mixing the mixed pulp provided in the step 2) with a papermaking additive to carry out online treatment; carrying out squeezing dehydration treatment on the pulp subjected to the wire-surfing treatment, drying the pulp in a cylinder, and then carrying out calendaring, reeling and cutting the pulp into a set specification;
optionally, after drying the cylinders in step 3), coating the paper machine dip-coating auxiliary agent between two groups of drying;
optionally, after cutting into predetermined specifications in step 3), different color printing is performed.
In some embodiments of the present invention, in the step 1), the bleached plant fiber is pulped at a concentration of 3.8% to 4.2%; the beating degree is 30-40 DEG SR.
In some embodiments of the present invention, in step 3), the control parameters of the internet access processing are: the concentration of the pulp on the screen is 0.5-0.7%, and the water content of the paper sheet outlet part is 70-80%.
In some embodiments of the invention, in step 3), the press dewatering is performed until the water content in the paper sheet is 55% to 60%.
In another aspect, the present invention provides the use of the tobacco-containing lining base paper according to the present invention in the field of tobacco packaging.
Drawings
FIG. 1 is a photograph of a tobacco-containing art liner paper of the present invention.
Fig. 2 is a photograph of the raw paper surface of the yellow tobacco-containing liner paper of the present invention.
Fig. 3 is a photograph of a yellow tobacco-containing liner paper of the present invention applied to a composite aluminum foil surface.
Fig. 4 is a photograph of a raw paper surface of the green tobacco-containing liner paper of the present invention.
FIG. 5 is a photograph of a green tobacco-containing liner paper of the present invention applied to a composite aluminum foil surface.
Detailed Description
The following detailed description specifically discloses embodiments based on a tobacco-containing lining base paper and a method for producing the same.
The "ranges" disclosed herein are defined in terms of lower limits and upper limits, with a given range being defined by a selection of one lower limit and one upper limit that define the boundaries of the particular range. Ranges defined in this manner may or may not include endpoints and may be arbitrarily combined, i.e., any lower limit may be combined with any upper limit to form a range. For example, if ranges of 60-120 and 80-110 are listed for a particular parameter, it is understood that ranges of 60-110 and 80-120 are also contemplated. Furthermore, if the minimum range values 1 and 2 are listed, and if the maximum range values 3, 4, and 5 are listed, the following ranges are all contemplated: 1-3, 1-4, 1-5, 2-3, 2-4 and 2-5. In this application, unless otherwise stated, the numerical range "a-b" represents a shorthand representation of any combination of real numbers between a and b, where a and b are both real numbers. For example, a numerical range of "0 to 5" indicates that all real numbers between "0 to 5" have been listed herein, and "0 to 5" is only a shorthand representation of the combination of these numbers. In addition, when a parameter is an integer of 2 or more, it is equivalent to disclose that the parameter is, for example, an integer of 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, or the like.
All embodiments and alternative embodiments of the present application may be combined with each other to form new solutions, if not specifically stated.
All technical and optional features of the present application may be combined with each other to form new solutions, if not otherwise specified.
All steps of the present application may be performed sequentially or randomly, preferably sequentially, if not specifically stated. For example, the method comprises steps (1) and (2), which means that the method can comprise steps (1) and (2) which are performed sequentially, and can also comprise steps (2) and (1) which are performed sequentially. For example, the mention that the process may further comprise step (3) means that step (3) may be added to the process in any order, for example, the process may comprise steps (1), (2) and (3), may also comprise steps (1), (3) and (2), may also comprise steps (3), (2) and (1), etc.
The terms "comprises" and "comprising" as used herein mean either open or closed unless otherwise specified. For example, the terms "comprising" and "comprises" may mean that other components not listed may also be included or included, or that only listed components may be included or included.
In this application, the term "or" is inclusive, if not otherwise specified. For example, the phrase "a or B" means "a, B, or both a and B. More specifically, either of the following conditions satisfies the condition "a or B": a is true (or present) and B is false (or not present); a is false (or not present) and B is true (or present); or both a and B are true (or present).
The applicant of the invention finds that through a large number of experiments, firstly, other fibers can be added on the basis of the original 100% bleached plant fibers, and the production can be carried out in a mode of mixing the unbleached plant long fibers, the unbleached plant short fibers and the tobacco fibers to achieve a special appearance effect; secondly, the taste satisfaction is achieved by coating the tobacco extract; thirdly, different colors are printed through a printer, and the innovation concept of the cigarette material is realized by matching with the color design of the cigarette case. The product produced by the process formula integrates the unique appearance effect of tobacco fibers, continuous faint scent brought by tobacco fragrance and different colors and states of plant fibers which are scattered and distributed to form unique texture, the production method not only increases the user experience feeling and creates a novel design concept of tobacco materials, but also fully reflects the concept of environmental protection, cleanness and health for the contribution of tobacco recycling to the tobacco packaging industry.
The invention provides a raw paper containing tobacco lining on one hand, wherein the raw materials of the raw paper containing tobacco lining comprise a fiber raw material, a filler and a papermaking auxiliary agent; also comprises a paper machine dip coating auxiliary agent and/or a printing auxiliary agent; the paper machine dip-coating auxiliary agent comprises oxidized starch and tobacco extract.
In the base paper containing the tobacco lining provided by the invention, the fiber raw materials comprise bleached plant fibers, unbleached plant short fibers, unbleached plant long fibers and tobacco fibers.
In the base paper containing the tobacco lining provided by the invention, the fiber raw material comprises 70-85% of bleached plant fiber by mass percentage. In some embodiments, the mass of the bleached plant fiber may also be 70% to 75%, 75% to 80%, or 80% to 85% of the mass of the fiber raw material. The bleached plant fiber usually needs beating treatment to achieve the purpose of fibrillation, increase the bonding force between fibers and the bonding strength between paper sheets, ensure the package forming degree and the folding effect, and form visual contrast with unbleached fiber. The bleached plant fiber is selected from bleached wood pulp fiber such as bleached fir pulp fiber, bleached eucalyptus pulp fiber, and bleached poplar pulp fiber. The bleached plant fiber can be fir wood or eucalyptus wood or poplar wood, for example, which is cooked, washed and ground after being sliced, and bleached to achieve the required whiteness, thickness, length and strength. The whiteness of the bleached plant fiber can be 85-87%, 85-86%, 86-87% and the like. The average fiber thickness may be 0.10 to 0.15mm, 0.10 to 0.13mm, 0.13 to 0.15mm, or the like. The average fiber length may be 1.5 to 2.0mm, 1.5 to 1.8mm, or 1.8 to 2.0mm, etc. The average intensity can be 7.0-9.0km, 7.0-8.0km, 8.0-9.0km, etc.
In the base paper containing the tobacco lining provided by the invention, the fiber raw material comprises 5-10% of unbleached plant short fibers in percentage by mass. In some embodiments, the mass of the unbleached plant staple fiber can also be 5% to 8%, 8% to 10%, 5% to 6%, 6% to 7%, 7% to 8%, 8% to 9%, or 9% to 10% of the mass of the fiber raw material. In order to ensure the inherent shape of the unbleached plant short fiber, the unbleached plant short fiber is only defibered and is not pulped, and when the unbleached plant short fiber is applied, the unbleached plant short fiber can be added into bleached pulp of bleached plant fiber to form the special color of the unbleached pulp. The unbleached plant staple fibers are selected, for example, from unbleached wood pulp fibers, which may be, for example, unbleached eucalyptus pulp fibers. The unbleached plant staple fibers can be, for example, eucalyptus pulp which is cooked, washed and milled after being sliced, do not need to be bleached, and the specific product needs the color of unbleached pulp itself. The fiber diameter of the unbleached plant short fiber is 0.05-0.1mg/m, 0.05-0.08mg/m, or 0.08-0.1mg/m, etc. The fiber length of the unbleached plant short fiber is 0.5-1.0mm, 0.5-0.8mm, 0.8-1.0mm, 0.5-0.6mm, 0.6-0.7mm, 0.7-0.8mm, 0.8-0.9mm, or 0.9-1.0mm, etc. The average fiber thickness of the unbleached plant short fibers is 0.15-0.25 mm, 0.15-0.2 mm, 0.2-0.25 mm and the like. The fiber strength of the unbleached plant short fiber is 6.0-7.0km, 6.0-6.5km, 6.5-7.0km and the like.
In the base paper containing the tobacco lining provided by the invention, the fiber raw material comprises 5-10% of unbleached plant long fiber by mass percent. In some embodiments, the mass of the unbleached plant long fiber may also be 5% to 8%, 8% to 10%, 5% to 6%, 6% to 7%, 7% to 8%, 8% to 9%, or 9% to 10% of the mass of the fiber raw material. In order to ensure the inherent shape of the unbleached plant short fiber, the unbleached plant short fiber is only defibered and is not pulped, and when the unbleached plant short fiber is applied, the unbleached plant short fiber is added into bleached pulp of bleached plant fiber to form the special color, thickness and length of the unbleached pulp. The unbleached plant long fibers may be selected, for example, from unbleached wood pulp long fibers, which may be, for example, pine pulp long fibers. The unbleached plant long fiber can be, for example, pine pulp which is cooked and washed and ground after being sliced, bleaching is not needed, the strength of the pulp is affected after bleaching, and the color of unbleached pulp is needed for specific products. The diameter of the unbleached plant long fiber is 0.2-0.3mg/m, 0.2-0.25mg/m, or 0.25-0.3mg/m, etc., and the length of the unbleached plant long fiber is 5-10mm, 5-8mm, 8-10mm, 5-6mm, 6-7mm, 7-8mm, 8-9mm, or 9-10 mm. The fiber thickness of the unbleached plant long fiber is 0.15-0.25 mm, 0.15-0.2 mm, or 0.2-0.25 mm. The fiber strength of the unbleached plant long fiber is 9.0-10.0km, 9.0-9.5km, or 9.5-10.0km, etc.
In the base paper containing the tobacco lining provided by the invention, the fiber raw material comprises 5-10% of tobacco fiber by mass percentage. In some embodiments, the mass of the tobacco fiber can also be 5% to 8%, 8% to 10%, 5% to 6%, 6% to 7%, 7% to 8%, 8% to 9%, or 9% to 10% of the mass of the fiber raw material. Generally, tobacco fibers are processed by cooking, scouring and bleaching. The tobacco fiber can be added to make the product have special tobacco fragrance and fiber shape different from plant fiber. The tobacco fibers can be, for example, tobacco fibers, and are washed and milled to form sheets. The fiber diameter of the tobacco fiber can be 0.3-0.5mg/m, 0.3-0.4mg/m, or 0.4-0.5mg/m, etc. The tobacco fiber has a fiber length of 1-5mm, 1-2mm, 2-3mm, 3-4mm, or 4-5 mm. The thickness of the fiber length of the tobacco fiber can be 1.5-3.0mm, 1.5-2.0mm, 2.0-2.5mm, or 2.5-3.0mm, etc. The fiber strength of the tobacco fiber is 1.0-2.0km, 1.0-1.5km, 1.5-2.0km, etc.
In a specific embodiment, the fiber raw material comprises the following components in percentage by mass:
in the base paper containing the tobacco lining provided by the invention, the filler is selected from light calcium carbonate. In some embodiments, the light calcium carbonate may have a particle size of, for example, 3.0 μm to 5.0 μm, 3.0 μm to 4.0 μm, or 4.0 μm to 5.0 μm, and the like.
In the base paper containing the tobacco lining provided by the invention, the mass of the filler calcium carbonate is 5-15% of the mass of the fiber raw material. In some embodiments, the filler may also be 5% to 15%, 5% to 10%, 10% to 15%, 5% to 8%, 8% to 10%, 10% to 12%, or 12% to 15% by mass of the fiber raw material, or the like. The filler functions to improve the hiding, softness and printability of the paper sheet.
In the tobacco-containing inner liner base paper provided by the present invention, it is usually necessary to disperse the filler before use, and the dispersant may be water, for example. After dispersion, the mass concentration of the obtained filler dispersion can be 15% -25%, 15% -20%, 20% -25%, 15% -18%, 18% -20%, 20% -22%, 22% -25% or the like.
In the tobacco-containing lining base paper provided by the present invention, generally, a suitable papermaking auxiliary agent can be selected, and in some embodiments, the papermaking auxiliary agent is selected from one or more of alkyl ketene dimer, polyacrylamide and cationic starch. Preferably, the papermaking agent comprises alkyl ketene dimer, polyacrylamide and cationic starch. In some embodiments, the mass ratio of alkyl ketene dimer, polyacrylamide and cationic starch is 0.8-1: 0.1-0.3: 0.3 to 0.5. The three papermaking aids have the advantages of good printing and gold stamping effects and more convenience for firm combination of the tobacco fibers and the plant fibers.
In some embodiments, the mass of the papermaking auxiliary agent is 1.2-1.8% of the mass of the fiber raw material. More specifically, the mass of the papermaking auxiliary agent can be 1.2-1.4%, 1.4-1.6%, or 1.6-1.8% of the mass of the fiber raw material.
In some embodiments, the mass of the alkyl ketene dimer may be 0.8% to 1.0%, 0.8% to 0.9%, or 0.9% to 1.0% of the mass of the fiber raw material.
In some embodiments, the mass of the polyacrylamide may be 0.1% to 0.3%, 0.1% to 0.2%, or 0.2% to 0.3% of the mass of the fiber raw material. The molecular weight of the polyacrylamide may be, for example, 800 to 1200, 800 to 1000, 1000 to 1200, 800 to 900, 900 to 1000, 1000 to 1100, 1100 to 1200, or the like.
In some embodiments, the mass of the cationic starch may be 0.3% to 0.5%, 0.3% to 0.4%, or 0.4% to 0.5% of the mass of the fiber raw material. The cationic starch is mainly characterized in that the charge of the cationic starch is positive, and the filler adsorbing negative electricity plays a role in retention.
In the base paper containing the tobacco lining provided by the invention, the mass of the dip-coating auxiliary agent of the paper machine is 0.1-0.3% of the mass of the fiber raw material. In some embodiments, the mass of the paper machine dip coating auxiliary agent may also be 0.1% to 0.2%, 0.2% to 0.3%, 0.1% to 0.15%, 0.15% to 0.2%, 0.2% to 0.25%, or 0.25% to 0.3%, etc. of the mass of the fiber raw material.
In the base paper containing the tobacco lining, the coating weight of the dip-coating auxiliary agent of the paper machine can be 0.5-1.5 g/m2、0.5～1.0g/m2、1.0～1.5g/m2、0.5～0.8g/m2、0.8～1.0g/m2、1.0～1.2g/m2Or 1.2 to 1.5g/m2And the like.
The mass ratio of the oxidized starch to the tobacco extract in the paper machine dip-coating auxiliary agent can be 1-2: 1-4, 1-2: 1-3, 1-3: 1 to 4, and the like.
In the base paper for tobacco-containing inner liner provided by the present invention, oxidized starch is usually dissolved in water to obtain an oxidized starch solution having a concentration of 1% to 3%, 1% to 2%, 2% to 3%, or the like.
In the lining base paper containing tobacco provided by the invention, the amount of the tobacco extract is required to be within a certain range under normal conditions, so that the lining base paper coated with the lining base paper can be ensured to have the taste satisfaction of tobacco. In some embodiments, the mass of the tobacco extract can be 0.1% -0.3%, 0.1% -0.2%, or 0.2% -0.3% of the mass of the fiber raw material, etc.
In one embodiment of the base paper containing the tobacco lining provided by the invention, the applied tobacco extract is a water-soluble or oil-soluble extract obtained by extracting tobacco leaves, tobacco stems and tobacco powder by using a solvent, filtering, concentrating, refining and the like, and the tobacco extract is composed of one or more of the extracts. Wherein the water soluble extract is generally a mixture extracted from tobacco. The oil soluble extract comprises monomer substances or mixture such as solanone and megastigmatrienone. The tobacco extract can be extracted, for example, by conventional techniques.
In the base paper containing the tobacco lining provided by the invention, the printing auxiliary agent is selected from pigments. By printing pigments with different colors on the printing machine, the tobacco lining base paper can be matched with the color design of the cigarette case. The mass of the pigment is 1: 5000-10000, 1: 5000-8000, 1: 8000-10000, 1: 5000-6000, 1: 6000-7000, 1: 7000-8000, 1: 8000 to 90000, or 1: 9000-10000, etc.
In the tobacco-containing lining base paper provided by the present invention, the pigment may be selected from, for example, one or a combination of more of Cartasol Yellow 3GSFN lip, Cartasol Red2GFN lip, Cartasol Yellow 3GSFN lip, Cartasol blue GNC, and the like. For example, to obtain a Yellow tobacco smoking product, Cartasol Yellow 3GSFN lip and Cartasol Red2GFN lip may be added to water in a ratio, for example, 6:1, and then sufficiently dissolved and stirred for coating. To obtain a green cigarette pack product, Cartasol Yellow 3GSFN lip and Cartasol blue GNC may be added to water at a ratio, for example, 5:1, and then thoroughly dissolved and stirred for coating. The coating weight of the pigment is 0.1-0.3% of the total weight of the fiber raw material. In some embodiments, it may also be 0.1-0.3%, 0.1-0.2%, or 0.2-0.3%, etc.
In another aspect, the present invention provides a method for preparing a base paper for tobacco-containing inner liner, comprising the steps of:
1) mixing bleached plant fibers, unbleached plant long fibers, unbleached plant short fibers and tobacco fibers to provide mixed pulp;
2) mixing the mixed pulp provided in step 1) with a filler to provide a mixed pulp;
3) mixing the mixed pulp provided in the step 2) with a papermaking additive to carry out online treatment; carrying out squeezing dehydration treatment on the pulp subjected to the wire-surfing treatment, drying the pulp in a cylinder, and then carrying out calendaring, reeling and cutting the pulp into a set specification;
optionally, after drying the cylinder in the step 3), coating a paper machine dip-coating auxiliary agent in the middle;
optionally, after cutting into predetermined specifications in step 3), different color printing is performed.
In the preparation method of the base paper containing the tobacco lining, step 1) is to mix bleached plant fiber, unbleached plant long fiber, unbleached plant short fiber and tobacco fiber to provide mixed pulp. Wherein the proportions of bleached plant fibers, unbleached plant long fibers, unbleached plant short fibers and tobacco fibers refer to the contents of the tobacco-containing lining base paper of the first aspect of the present invention.
In the preparation method of the base paper containing the tobacco lining, in the step 1), the bleached plant fibers need pulping treatment, wherein the pulping concentration can be 3.8-4.2%, 3.8-4.0%, or 4.0-4.2% and the like. The beating concentration of the bleached plant fiber means the concentration of the bleached plant fiber in water at the time of beating. Through beating, the purpose of devillicate brooming is achieved, the binding force between fibers and the binding strength between paper sheets are increased, the package forming degree and the folding effect are guaranteed, and visual contrast is formed between the paper sheets and unbleached fibers. The beating degree may be, for example, 30 to 40 DEG SR, 30 to 35 DEG SR, 35 to 40 DEG SR, or the like.
In the preparation method of the base paper containing the tobacco lining, the tobacco fiber is used after being processed by cooking, washing, grinding and bleaching in the step 1). For example, they can be prepared by conventional methods in the art.
In the preparation method of the base paper containing the tobacco lining, in the step 1), unbleached plant long fibers do not need to be treated, the original fiber form is kept, and the unbleached plant long fibers are added into bleached pulp to form a special sensory state.
In the step 1), the unbleached plant short fibers do not need to be treated, the unbleached plant short fibers are kept to be strongly contrasted with the unbleached long fibers in the same color and different forms, and the unbleached plant short fibers are added into bleaching pulp to form a special sensory state.
In the preparation method of the base paper containing the tobacco lining, step 2) is to mix the mixed pulp provided in step 1) with a filler to provide mixed pulp. The selection of the filler and the amount of the filler added are described in the first aspect of the invention for the tobacco lining base paper.
In general, the filler is used after being dispersed. After dispersion, the mass concentration of the filler dispersion may be 15% to 25%, 15% to 20%, 20% to 25%, 15% to 18%, 18% to 20%, 20% to 22%, 22% to 25%, or the like.
In the preparation method of the base paper containing the tobacco lining, the mixed pulp provided by the step 2) is mixed with a papermaking additive in the step 3) to carry out net surfing treatment; and (3) carrying out squeezing dehydration treatment on the pulp subjected to the wire-surfing treatment, drying in a cylinder, and then carrying out calendaring, reeling and cutting into a set specification.
In step 3), generally, the internet access process needs to be performed under certain control parameters, and the control parameters of the internet access process may be, for example: the concentration of the slurry on the net can be 0.5-0.7%, 0.5-0.6%, or 0.6-0.7%. The moisture content of the paper sheet discharge part can be 70-80%, 70-75%, 75-80% and the like.
In step 3), in an embodiment, the press dewatering is performed until the water content in the paper sheet can be 55% to 60%, 55% to 58%, or 58% to 60%.
And 3) after drying the cylinders, coating the dip-coating auxiliary agent of the paper machine between the two groups of drying cylinders. Specifically, the intermediate two sets of drying coats of oxidized starch and tobacco extract, the oxidized starch typically being dissolved first, for example, in water, and the paste may be smoothed to a consistency of 1% to 3%, 1% to 2%, or 2% to 3% oxidized starch solution.
Generally, the amount of the tobacco extract is required to be within a certain range so as to ensure that the coated lining base paper has a satisfactory tobacco taste. In some embodiments, the mass of the tobacco extract can be 0.1% -0.3%, 0.1% -0.2%, or 0.2% -0.3% of the mass of the fiber raw material, etc.
And 3) cutting into a predetermined specification, and printing different colors. In general, the base paper for the cigarette lining of the cigarette packet can be obtained by color design and color coating according to the integral color tones of different cigarette brands. By printing pigments with different colors on the printing machine, the tobacco lining base paper can be matched with the color design of the cigarette case. The pigment may be selected, for example, from a combination of one or more of Cartasol Yellow 3GSFN lip, Cartasol Red2GFN lip, Cartasol Yellow 3GSFN lip, Cartasol blue GNC, and the like. For example, to obtain a Yellow tobacco smoking product, Cartasol Yellow 3GSFN lip and Cartasol Red2GFN lip may be added to water in a ratio, for example, 6:1, and then sufficiently dissolved and stirred for coating. To obtain a green cigarette pack product, Cartasol Yellow 3GSFN lip and Cartasol blue GNC may be added to water at a ratio, for example, 5:1, and then thoroughly dissolved and stirred for coating.
In another aspect, the present invention provides the use of the tobacco-containing lining base paper according to the first aspect of the present invention in the field of tobacco packaging.
In conclusion, compared with the prior art, the base paper containing the tobacco lining provided by the invention has the following advantages:
according to the invention, the novel lining base paper for the cigarette is produced by adding the tobacco fiber and the long and short unbleached plant fibers into the bleached plant fibers and coating the tobacco extract to replace the traditional 100% bleached plant fiber papermaking base paper, so that the use requirements are met, and meanwhile, the sense and taste are met.
The lining base paper containing tobacco fiber of the invention: quantitative (g/square meter): 35-110; longitudinal tensile strength kN/m: not less than 1.8; cobb value (g/square meter): 20-50; the longitudinal tensile energy absorption index (m J/g) is more than or equal to 400; ash (calculated as CaO)%: 5 to 15.
The following examples are provided to further illustrate the advantageous effects of the present invention.
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clear, the present invention is further described in detail below with reference to examples. However, it should be understood that the embodiments of the present invention are only for explaining the present invention and are not for limiting the present invention, and the embodiments of the present invention are not limited to the embodiments given in the specification. The examples were prepared under conventional conditions or conditions recommended by the material suppliers without specifying specific experimental conditions or operating conditions.
Furthermore, it is to be understood that one or more method steps mentioned in the present invention does not exclude that other method steps may also be present before or after the combined steps or that other method steps may also be inserted between these explicitly mentioned steps, unless otherwise indicated; it is also to be understood that a combined connection between one or more devices/apparatus as referred to in the present application does not exclude that further devices/apparatus may be present before or after the combined device/apparatus or that further devices/apparatus may be interposed between two devices/apparatus explicitly referred to, unless otherwise indicated. Moreover, unless otherwise indicated, the numbering of the various method steps is merely a convenient tool for identifying the various method steps, and is not intended to limit the order in which the method steps are arranged or the scope of the invention in which the invention may be practiced, and changes or modifications in the relative relationship may be made without substantially changing the technical content.
In the following examples, reagents, materials and instruments used are commercially available unless otherwise specified.
Bleached plant fibers were purchased from russian eimer group broadcloth pulp; unbleached plant long fibers were purchased from the starnax natural color alignment pulp from the stra Enso pulp mill finland; the unbleached plant short fiber is purchased from the native color eucalyptus pulp of goldfish of Brazil goldfish pulp paper; tobacco fibers were purchased from tobacco sheets from the marine tobacco sheet mill.
Example 1:
the preparation method of the base paper containing the tobacco lining comprises the following steps: respectively defibering or pulping the fiber raw materials (bleached plant fiber, unbleached plant long fiber, unbleached plant short fiber and tobacco fiber),
the bleached plant fiber is bleached hardwood pulp fiber, which is purchased as commercial pulp, and is not required to be cooked and bleached, but is only pulped, the bleached plant fiber is pulped, and the beating degree is 400And SR. By connecting three disc mills in seriesCutting and brooming, and stopping beating after the required beating degree is reached.
The unbleached plant long fiber is unbleached softwood pulp fiber, is subjected to defibering treatment only, is not pulped, does not damage the fiber, and keeps the original shape of the fiber.
The unbleached plant short fiber is unbleached hardwood pulp fiber, is subjected to defibering treatment only, is not pulped, does not damage the fiber, and keeps the original shape of the fiber.
The tobacco fiber is the fiber produced by processing tobacco leaves. The tobacco fiber is just defibered without beating in order to maintain its inherent form.
After all the fibers are respectively treated, mixing 80% of bleached plant fibers, 5% of unbleached plant long fibers, 5% of unbleached plant short fibers and 10% of tobacco fibers according to mass percentage, then adding light calcium carbonate with the mass of 12% of the mass of the fiber raw materials, alkyl ketene dimer with the mass of 1.0% of the mass of the fiber raw materials, polyacrylamide with the mass of 0.1% of the mass of the fiber raw materials and cationic starch with the mass of 0.5% of the mass of the fiber raw materials, uniformly mixing, and performing slurry screening treatment, wherein the control parameters are as follows: the concentration of the pulp on the screen is 0.6 percent, and the water content of the paper sheet outlet part is 75 percent; carrying out squeezing dehydration treatment on the pulp after the wire-feeding treatment until the water content in paper sheets is 55%; drying in a 100 deg.C drying cylinder, coating oxidized starch with concentration of 1-3% between two groups of drying cylinders, wherein the mass of the oxidized starch is 0.1-1.0% of the mass of the fiber, adding tobacco extract with mass of 0.1-0.3% of the mass of the fiber raw material into the oxidized starch, and then performing calendaring, reeling and slitting to obtain the final product.
The obtained lining base paper containing tobacco: quantitative (g/square meter): 100, respectively; longitudinal tensile strength kN/m: 4.5; cobb value (g/square meter): 40; longitudinal tensile energy absorption index (m J/g) 650; ash (calculated as CaO)%: 12.
example 2:
the preparation method of the base paper containing the tobacco lining comprises the following steps: respectively defibering or pulping the fiber raw materials (bleached plant fiber, unbleached plant long fiber, unbleached plant short fiber and tobacco fiber),
the bleached plant fiber is bleached hardwood pulp fiber, and the bleached plant fiberBeating with beating degree of 500And SR. Three disc mills are connected in series to cut and brook, and the beating is stopped after the required beating degree is reached.
The unbleached plant long fiber is unbleached softwood pulp fiber, is subjected to defibering treatment only, is not pulped, does not damage the fiber, and keeps the original shape of the fiber.
The unbleached plant short fiber is unbleached hardwood pulp fiber, and the unbleached plant long fiber is only subjected to defibering treatment without pulping, does not damage the fiber, and keeps the original shape of the fiber.
The tobacco fiber is the fiber produced by processing tobacco leaves. The tobacco fiber is only defibered in order to ensure the inherent shape of the tobacco fiber, and pulping treatment is not carried out.
After all the fibers are respectively treated, mixing 80% of bleached plant fibers, 5% of unbleached plant long fibers, 5% of unbleached plant short fibers and 10% of tobacco fibers according to mass percentage, then adding light calcium carbonate with the mass of 10% of the mass of the fiber raw materials, alkyl ketene dimer with the mass of 0.8% of the mass of the fiber raw materials, polyacrylamide with the mass of 0.3% of the mass of the fiber raw materials and cationic starch with the mass of 0.3% of the mass of the fiber raw materials, uniformly mixing, and performing slurry screening treatment, wherein the control parameters are as follows: the concentration of the pulp on the screen is 0.5 percent, and the water content of the paper sheet outlet part is 70 percent; carrying out squeezing dehydration treatment on the pulp after the wire-feeding treatment until the water content in paper sheets is 55%; drying in a 100 ℃ drying cylinder, then calendaring, reeling, slitting, feeding the slit paper roll to a printing machine for color printing, adding Cartasol Yellow 3GSFN lip and Cartasol Red2GFN lip into 40kg of water according to the proportion of 6:1, fully dissolving and stirring, coating, and slitting into the given specification to obtain the Yellow tobacco fiber lining base paper.
The obtained lining base paper containing tobacco: quantitative (g/square meter): 40; longitudinal tensile strength kN/m: 2.0; cobb value (g/square meter): 35; longitudinal tensile energy absorption index (m J/g) 560; ash (calculated as CaO)%: 10;
example 3:
the preparation method of the base paper containing the tobacco lining comprises the following steps: respectively defibering or pulping the fiber raw materials (bleached plant fiber, unbleached plant long fiber, unbleached plant short fiber and tobacco fiber),
the bleached plant fiber is bleached hardwood pulp fiber, and is subjected to pulping treatment with a beating degree of 450And SR. Three disc mills are connected in series to cut and brook, and the beating is stopped after the required beating degree is reached.
The unbleached plant long fiber is unbleached softwood pulp fiber, is subjected to defibering treatment only, is not pulped, does not damage the fiber, and keeps the original shape of the fiber.
The unbleached plant short fiber is unbleached hardwood pulp fiber, and is subjected to defibering treatment only without pulping, so that the fiber is not damaged, and the original form of the fiber is maintained.
The tobacco fiber is the fiber produced by processing tobacco leaves. The tobacco fiber is only defibered in order to ensure the inherent shape of the tobacco fiber, and pulping treatment is not carried out.
After all the fibers are respectively treated, mixing 80% of bleached plant fibers, 5% of unbleached plant long fibers, 5% of unbleached plant short fibers and 10% of tobacco fibers according to mass percentage, then adding light calcium carbonate with the mass of 10% of the mass of the fiber raw materials, alkyl ketene dimer with the mass of 0.8% of the mass of the fiber raw materials, polyacrylamide with the mass of 0.1% of the mass of the fiber raw materials and cationic starch with the mass of 0.5% of the mass of the fiber raw materials, uniformly mixing, and performing slurry screening treatment, wherein the control parameters are as follows: the concentration of the pulp on the screen is 0.65 percent, and the water content of the paper sheet discharging part is 80 percent; carrying out squeezing dehydration treatment on the pulp after the wire-feeding treatment until the water content in paper sheets is 57%; drying in a 95 ℃ drying cylinder, then calendaring, reeling, slitting, feeding the slit paper roll to a printer for color printing, adding Cartasol Yellow 3GSFN lip and Cartasol blue GNC into 40kg of water according to the proportion of 5:1, fully dissolving and stirring, coating, and slitting into a given specification to obtain the green tobacco fiber lining base paper.
The obtained lining base paper containing tobacco: quantitative (g/square meter): 50; longitudinal tensile strength kN/m: 2.5; cobb value (g/square meter): 30, of a nitrogen-containing gas; longitudinal tensile energy absorption index (m J/g) 720; ash (calculated as CaO)%: 12;
example 4:
the preparation method of the base paper containing the tobacco lining comprises the following steps: respectively carrying out defibering or pulping treatment on fiber raw materials (bleached plant fiber, unbleached plant long fiber, unbleached plant short fiber and tobacco fiber). Wherein the content of the first and second substances,
the bleached plant fiber is bleached hardwood pulp fiber, and is cut off and broomed by three disc mills in series, the beating is stopped after the required beating degree is reached, the bleached plant fiber is beaten, and the beating degree is 400SR。
The unbleached plant long fiber is unbleached softwood pulp fiber, is subjected to defibering treatment only, is not pulped, does not damage the fiber, and keeps the original shape of the fiber.
The unbleached plant short fiber is unbleached hardwood pulp fiber, and is subjected to defibering treatment only without pulping, so that the fiber is not damaged, and the original form of the fiber is maintained.
The tobacco fiber is the fiber produced by processing tobacco leaves. The tobacco fiber is just defibered without beating in order to maintain its inherent form.
After all the fibers are respectively treated, mixing 80% of bleached plant fibers, 5% of unbleached plant long fibers, 5% of unbleached plant short fibers and 10% of tobacco fibers according to mass percentage, then adding light calcium carbonate with the mass of 12% of the mass of the fiber raw materials, alkyl ketene dimer with the mass of 1.0% of the mass of the fiber raw materials, polyacrylamide with the mass of 0.1% of the mass of the fiber raw materials and cationic starch with the mass of 0.5% of the mass of the fiber raw materials, uniformly mixing, and performing slurry screening treatment, wherein the control parameters are as follows: the concentration of the pulp on the screen is 0.6 percent, and the water content of the paper sheet outlet part is 75 percent; carrying out squeezing dehydration treatment on the pulp after the wire-feeding treatment until the water content in paper sheets is 55%; drying in a 100 deg.C drying cylinder, coating oxidized starch with concentration of 1-3% between two groups of drying cylinders, wherein the mass of the oxidized starch is 1% of the mass of the fiber, adding tobacco extract with mass of 0.1-0.3% of the mass of the fiber raw material into the oxidized starch, and then press polishing, coiling and cutting to obtain the final product.
And (3) feeding the cut paper roll to a printer for color printing, adding Cartasol Yellow 3GSFN lip and Cartasol Red2GFN lip into 40kg of water according to the ratio of 6:1, fully dissolving and stirring, coating, and cutting into the Yellow tobacco fiber lining base paper with the determined specification.
The obtained lining base paper containing tobacco: quantitative (g/square meter): 100, respectively; longitudinal tensile strength kN/m: 4.5; cobb value (g/square meter): 40; longitudinal tensile energy absorption index (m J/g) 650; ash (calculated as CaO)%: 12.
application example 1 measurement of technical parameters of base paper containing tobacco liner
TABLE 1
The tobacco-containing lining base paper prepared in examples 1 to 4 was subjected to technical parameter measurement, and the results are shown in table 2. Determining physical properties includes, but is not limited to: basis weight, longitudinal tensile strength, longitudinal tensile energy absorption, ash, and the like.
(1) Measurement method
The quantitative determination was carried out in accordance with the provisions of GB/T451.2-2002;
the longitudinal tensile strength and the longitudinal tensile energy absorption are measured according to the specification of GB/T12914-;
the cobb value is determined according to the determination of the water absorption of GB/T1540-2002 paper and paperboard (Kobe method);
the ash content was measured according to the regulations GB/T742-2018.
(2) The measurement results are shown in Table 2.
TABLE 2
As can be seen from Table 2, when the base paper containing the tobacco lining prepared by the embodiment of the invention is used for preparing finished cigarette products, the obtained cigarette products have stable physical indexes, the strength index of the cigarette paper is slightly influenced along with the increase of cigarette pulp, but the requirements of cigarette processing machines can be fully guaranteed within the range limited by the invention.
Application example 2 sensory evaluation test
(1) Evaluation method for appearance and taste evaluation of lining base paper:
sensory taste evaluation method: and (3) carrying out sensory measurement on the lining base paper by adopting a nasal smell mode of a seven-person expert group. The appearance evaluation method comprises the following steps: the lining base paper was subjected to sensory measurement by visual observation with seven panelists.
(2) The evaluation results are shown in table 3:
TABLE 3 sensory evaluation results
Application example 3 evaluation experiment of hygienic safety index criteria
(1) The evaluation method comprises the following steps:
according to the technical requirements of the tobacco industry standard YC264-2014 (tobacco lining paper) of the people's republic of China.
(2) The evaluation results are shown in Table 4:
TABLE 4 Standard of sanitary safety indexes
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The raw material of the tobacco-containing lining base paper comprises a fiber raw material, a filler and a papermaking auxiliary agent; also comprises a paper machine dip coating auxiliary agent and/or a printing auxiliary agent; the paper machine dip-coating auxiliary agent comprises oxidized starch and tobacco extract.
2. The tobacco-containing lining base paper of claim 1, wherein the fiber raw material comprises the following components in percentage by mass:
3. the tobacco-containing lining base paper of claim 1, wherein the filler is selected from the group consisting of light calcium carbonate; preferably, the particle size of the light calcium carbonate is 3.0-5.0 μm;
and/or the mass of the filler is 5-15% of the mass of the fiber raw material.
4. The tobacco-containing liner base paper of claim 1, wherein the papermaking agent is selected from the group consisting of one or more of alkyl ketene dimer, polyacrylamide and cationic starch;
and/or the mass of the papermaking auxiliary agent is 1.2-1.8% of the mass of the fiber raw material.
5. The tobacco-containing liner base paper of claim 4, wherein the papermaking agent comprises an alkyl ketene dimer, a polyacrylamide, and a cationic starch;
and/or the mass of the alkyl ketene dimer is 0.8-1.0% of the mass of the fiber raw material;
and/or the mass of the polyacrylamide is 0.1-0.3% of the mass of the fiber raw material;
and/or the mass of the cationic starch is 0.3-0.5% of the mass of the fiber raw material.
6. The tobacco-containing lining base paper as claimed in claim 1, wherein the mass of the paper machine dip-coating auxiliary agent is 0.1-0.3% of the mass of the fiber raw material;
and/or the mass ratio of the oxidized starch to the tobacco extract is 1-2: 1-4;
and/or the mass of the tobacco extract is 0.1-0.3% of the mass of the fiber raw material.
7. The tobacco-containing liner base paper of claim 1, wherein the printing aid is selected from pigments.
8. The method for preparing the tobacco-containing lining base paper as claimed in any one of claims 1 to 7, comprising the steps of:
1) mixing bleached plant fibers, unbleached plant long fibers, unbleached plant short fibers and tobacco fibers to provide mixed pulp;
2) mixing the mixed pulp provided in step 1) with a filler to provide a mixed pulp;
3) mixing the mixed pulp provided in the step 2) with a papermaking additive to carry out online treatment; carrying out squeezing dehydration treatment on the pulp subjected to the wire-surfing treatment, drying the pulp in a cylinder, and then carrying out calendaring, reeling and cutting the pulp into a set specification;
optionally, after drying the cylinders in step 3), coating the paper machine dip-coating auxiliary agent between two groups of drying;
optionally, after cutting into predetermined specifications in step 3), different color printing is performed.
9. The preparation method of the base paper containing the tobacco lining as claimed in claim 8, wherein in the step 1), the bleached plant fiber is pulped with the concentration of 3.8% -4.2%; the beating degree is 30-40 DEG SR;
and/or, in the step 3), the control parameters of the internet surfing processing are as follows: the concentration of the pulp on the screen is 0.5-0.7%, and the water content of the paper sheet outlet part is 70-80%;
and/or, in the step 3), performing squeezing dehydration treatment until the water content in the paper sheet is 55-60%.
10. Use of the tobacco-containing lining base paper according to any one of claims 1 to 7 in the field of tobacco packaging.
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Application publication date: 20220429 |