CN113957740A - Method for preparing activated carbon fiber composite paper, obtained paper and application thereof - Google Patents

Method for preparing activated carbon fiber composite paper, obtained paper and application thereof Download PDF

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Publication number
CN113957740A
CN113957740A CN202010697893.5A CN202010697893A CN113957740A CN 113957740 A CN113957740 A CN 113957740A CN 202010697893 A CN202010697893 A CN 202010697893A CN 113957740 A CN113957740 A CN 113957740A
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activated carbon
carbon fiber
pulp
tobacco
fiber composite
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CN113957740B (en
Inventor
郑泉兴
谢卫
刘雯
张廷贵
蓝洪桥
李巧灵
马鹏飞
许寒春
刘秀彩
梁晖
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China Tobacco Fujian Industrial Co Ltd
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China Tobacco Fujian Industrial Co Ltd
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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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/46—Non-siliceous fibres, e.g. from metal oxides
    • D21H13/50—Carbon fibres
    • 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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00—Essential oils; Perfumes
    • C11B9/0007—Aliphatic compounds
    • C11B9/0015—Aliphatic compounds containing oxygen as the only heteroatom
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02—Synthetic cellulose fibres
    • 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
    • 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
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • D21H17/16—Addition products thereof with hydrocarbons
    • 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
    • D21H17/25—Cellulose
    • D21H17/26—Ethers thereof
    • 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
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • 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
    • D21H17/60—Waxes
    • 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
    • D21H17/62—Rosin; Derivatives thereof
    • 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
    • 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
    • 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
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • 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
    • D21H21/16—Sizing or water-repelling agents
    • 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

Abstract

The invention belongs to the field of tobacco products, and discloses a method for preparing activated carbon fiber composite paper, which comprises the following steps: (1) mixing activated carbon fiber with liquid essence, performing solid-liquid separation, collecting solid phase, and drying; (2) mixing the solid phase substance obtained in the step (1), the non-tobacco fiber slurry and optional auxiliary agents to obtain a mixture; wherein the mass ratio of the solid phase substance to the non-tobacco fiber slurry is 1 (0.5-4); (3) sequentially carrying out pulp dispersing and pulping treatment on the mixture to obtain mixed pulp; (4) and (4) making the mixed slurry, and drying to obtain the activated carbon fiber composite paper. The invention also relates to the paper produced and to its use in heating non-combustible tobacco products. The activated carbon fiber composite paper prepared by the invention has large fragrance carrying amount and uniform fragrance carrying distribution, and has a fragrance slow-release effect when being added into a tobacco section of a heated non-burning cigarette.

Description

Method for preparing activated carbon fiber composite paper, obtained paper and application thereof
Technical Field
The invention belongs to the field of tobacco products, and particularly relates to a method for preparing activated carbon fiber composite paper, the prepared activated carbon fiber composite paper and application of the activated carbon fiber composite paper in heating non-combustion tobacco products.
Background
The heated non-burning cigarette (HnB) is a novel tobacco product, and is mainly formed by heating a cigarette bullet through a heat source to smoke, and the smoke which is inhaled by a consumer is generated in a non-burning state, so that harmful smoke components generated by burning and thermal cracking of a conventional cigarette are reduced, and side-stream smoke is not generated. At present, traditional non-burning cigarette of heating is the four-section type, includes by supreme down in proper order: the first section is a tobacco section made of tobacco material, the second and third sections are cooling sections, and the fourth section is a filter section.
Aroma-carrying studies of heated non-burning cigarettes are the current focus of research. However, the existing heating non-combustion cigarette usually has no sustained release effect of essence fragrance, and the fragrance of the essence is quickly lightened in the smoking process, so that the experience of consumers is influenced. Therefore, there is a need for a heated non-burning cigarette with a flavor and fragrance slow-release effect.
Activated Carbon Fiber (ACF) is a porous fibrous adsorbent material, has the advantages of high specific surface area, high strength, few impurities, high temperature resistance and the like, and is widely applied to the aspects of air purification, sewage treatment, medical treatment and health, bioengineering, chemistry, catalysts and the like; due to the V-shaped pore structure of the activated carbon fiber, the desorption speed of the adsorbed substances of the fiber is high.
Disclosure of Invention
The method takes the activated carbon fiber as an essence carrier, and the activated carbon fiber is mixed with non-tobacco fiber pulp, pulped and manufactured by paper making to obtain the activated carbon fiber composite paper, the paper can obviously improve the essence loading capacity and the essence distribution uniformity, and the paper is added into a tobacco section of a heated non-burning cigarette to have the fragrance slow-release effect, the fragrance is continuously and stably released, the fragrance is strong, and the paper has important significance for enriching the fragrance-carrying form of the heated non-burning cigarette.
In order to achieve the above object, a first aspect of the present invention provides a method for preparing activated carbon fiber composite paper, comprising the steps of:
(1) mixing activated carbon fiber with liquid essence, performing solid-liquid separation, collecting solid phase, and drying (preferably drying in the shade);
(2) mixing the solid phase substance obtained in the step (1), the non-tobacco fiber slurry and optional auxiliary agents to obtain a mixture; wherein the mass ratio of the solid phase substance to the non-tobacco fiber slurry is 1 (0.5-4), such as 0.8:1, 1:2 and 1: 3;
(3) sequentially carrying out pulp dispersing and pulping treatment on the mixture to obtain mixed pulp;
(4) and (4) making the mixed slurry, and drying to obtain the activated carbon fiber composite paper.
In certain embodiments of the first aspect of the present invention, in step (1), the activated carbon fibers have an average diameter of 5 to 30 μm, for example, 7, 8, 10, 14, 15, 16, 17, 20, 22, 25, 27, 29 μm.
In some embodiments of the first aspect of the present invention, the activated carbon fiber has a specific surface area of 700 to 2400m2G, e.g. 800, 1000, 1100, 1200, 1500, 1700, 1800, 2000, 2200, 2300m2/g。
In some embodiments of the first aspect of the present disclosure, the activated carbon fibers have an average pore size of 1 to 30nm, such as 2, 3, 4, 5, 7, 10, 12, 15, 18, 20, 22, 25, 26, 28, 29 nm.
In certain embodiments of the first aspect of the present invention, in step (2), the non-tobacco fiber pulp is selected from softwood pulp, hardwood pulp, synthetic fiber pulp, and hemp pulp.
In some embodiments of the first aspect of the present invention, the non-tobacco fiber pulp is softwood pulp and synthetic fiber pulp, preferably in a mass ratio of 1: 1.
In some embodiments of the first aspect of the present invention, the softwood pulp is a conventional commercially available softwood pulp, for example purchased from SODRA BLUE F (Sweden), having a weighted average length of 2mm and an average width of about 30.5 μm.
In some embodiments of the first aspect of the present invention, the synthetic fiber pulp is a conventional synthetic fiber pulp commercially available, for example from LENZIING (uk), for example, having a size of 4mm x 1.7 dtex.
In some embodiments of the first aspect of the present invention, the method has one or more of the following features a to K:
A. in the step (1), the mass ratio of the activated carbon fiber to the liquid essence is 1 (6-30), such as 1:8, 1:10, 1:15, 1:18, 1:20, 1:23, 1:25 and 1: 28;
B. in the step (1), mixing for 5-60 minutes, such as 10, 15, 20, 25, 30, 35, 40, 45 and 50 minutes;
C. in the step (1), mixing at normal temperature (for example, 20-40 ℃) under stirring conditions;
D. in the step (1), standing is carried out before solid-liquid separation;
preferably, standing for 10-120 minutes, such as 20, 30, 40, 50, 60, 70, 80, 100, 110 minutes;
E. in the step (1), the mass content of the essence in the dried solid phase is 0.1-8.0%, such as 0.5%, 1%, 2%, 3%, 4%, 5%, 6%, 7%;
F. in the step (2), the mass of the auxiliary agent is 7% to 30% of the mass of the solid phase, for example, 8%, 10%, 12%, 15%, 20%, 22%, 25%, 27%, 28%, 29%;
G. in the step (2), the auxiliary agent is selected from a retention aid, a sizing agent and a filling agent;
preferably, the retention aid is selected from polyacrylamide, polyoxyethylene and organic amine salt derivatives;
preferably, the sizing agent is selected from the group consisting of rosin, unmodified and modified starch PVA, alkyl ketene dimer, alkenyl succinic anhydride, modified starch, paraffin emulsion, carboxymethyl cellulose and styrene-maleic anhydride copolymer;
preferably, the filler is selected from kaolin, diatomaceous earth, talc, graphite, carbon black, alumina powder and glass powder;
preferably, the mass ratio of the retention aid, the sizing agent and the filler is (0.1-2): 3-10), more preferably 1:1 (1-40), such as 1:1:5, 1:1:7, 1:1:10, 1:1:15, 1:1:16, 1:1:18, 1:1:20, 1:1:23, 1:1:25, 1:1:28, 1:1:30, 1:1:32, 1:1:35, 1:1:37, 1:1: 39;
H. in the step (3), the operating conditions of the slurry dispersing treatment are as follows: adding water according to the volume ratio of the feed liquid of 1:1, and then carrying out slurry dispersing treatment at 50-70 ℃ (such as 55 ℃, 60 ℃ and 65 ℃);
I. in the step (3), the operation conditions of the pulping treatment are as follows: pulping the pulp subjected to pulp dispersing treatment by a pulping machine until the pulping degree reaches 24-37 DEG SR (such as 28 DEG SR, 30 DEG SR, 32 DEG SR, 35 DEG SR and 37 DEG SR);
preferably, the concentration of the mixed slurry obtained in step (3) is 3% to 15%, such as 5%, 7%, 9%, 10%, 12%, 14%;
J. in the step (4), the operating conditions of the papermaking treatment are as follows: the drying speed is 1200-1700m/min (for example 1400, 1500, 1600m/min), and the drying pressure is 2.4-4.6 bar, for example 3, 3.5, 3.7, 4, 4.2, 4.4, 4.5 bar;
K. the method further comprises step (5): cutting the activated carbon fiber composite paper, performing calendaring treatment and packaging.
Polyacrylamide, polyoxyethylene are conventional retention aids in the art, styrene-maleic anhydride copolymers are conventional sizing agents in the art, and their molecular weights and molecular weight distribution coefficients are within the general skill of those in the art.
In certain embodiments of the first aspect of the present invention, step (1) has any one of the following features a to c:
a. the liquid essence comprises:
Figure BDA0002591976900000041
b. the liquid essence comprises:
Figure BDA0002591976900000042
c. the liquid essence comprises:
Figure BDA0002591976900000043
Figure BDA0002591976900000051
the second aspect of the invention relates to activated carbon fiber composite paper prepared by the method of the first aspect of the invention.
In some embodiments of the second aspect of the present invention, the thickness of the activated carbon fiber composite paper is 145 to 210 μm.
In some embodiments of the second aspect of the present invention, the activated carbon fiber composite paper has a tensile strength of 450-780N/m.
In the first or second aspect of the present invention, the activated carbon fiber composite paper is a paper containing activated carbon fibers loaded with essence.
The third aspect of the invention relates to a tobacco leaf composition formula of a heating non-combustion cigarette, which comprises the activated carbon fiber composite paper and tobacco shreds.
In some embodiments of the third aspect of the present invention, the mass ratio of the activated carbon fiber composite paper to the cut tobacco is (0.05-0.5): 1, for example, 0.1:1, 0.2:1, 0.3:1, 0.4: 1.
Examples of the third aspect of the inventionIn the application mode, the activated carbon fiber composite paper is 0.5-2mm2Of the chip (a).
In a fourth aspect, the invention relates to a tobacco segment for a heated non-combustible cigarette, the lamina set formulation of which is as described in the third aspect of the invention.
A fifth aspect of the invention relates to a heated non-burning cigarette comprising a tobacco segment according to the fourth aspect of the invention.
A sixth aspect of the present invention relates to the use of the activated carbon fiber composite paper according to the second aspect of the present invention in the manufacture of a heated non-combustible smoking article.
In some embodiments of the sixth aspect of the present invention, the heated non-combustible smoking article is a heated non-combustible cigarette or a tobacco segment of a heated non-combustible cigarette.
The invention at least obtains at least one of the following beneficial effects:
the activated carbon fiber composite paper prepared by the method has large essence loading capacity and uniform essence distribution, and when the activated carbon fiber composite paper is added into a tobacco section of a heated non-burning cigarette, essence fragrance can be continuously and slowly released in a smoking process and is strong in fragrance, so that the problem that the essence fragrance is quickly lightened when the heated non-burning cigarette is smoked is solved.
Detailed Description
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying examples, in which some, but not all embodiments of the invention are shown. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The materials used in the following examples and comparative examples are as follows:
softwood pulp: purchased from sodar BLUE F (sweden), with a weighted average length of 2mm and an average width of about 30.5 μm;
synthetic fiber slurry: purchased from LENZIING (uk) and having a specification of 4mm × 1.7 dtex;
hardwood pulp: purchased from SUZANO, brazil, goldfish brand broadleaf pulp.
Example 1
(1) The average diameter of the fiber was 10 μm and the specific surface area was 1200m2Drying activated carbon fiber with the average pore diameter of 3.0nm at 80 ℃ for 24 hours;
(2) uniformly mixing 15 parts by mass of ethyl maltol, 10 parts by mass of vanillin, 20 parts by mass of maltol and 15 parts by mass of furanone to obtain liquid essence for later use;
(3) stirring the activated carbon fiber and liquid essence at normal temperature for 10 minutes, wherein the mass ratio of the activated carbon fiber to the essence is 1:10, standing for 30 minutes, filtering out the activated carbon fiber loaded with the essence, and drying in the shade at normal temperature for later use, wherein the mass content of the essence in the activated carbon fiber loaded with the essence is 3.2%;
(4) uniformly mixing dried essence-loaded activated carbon fibers, softwood pulp and synthetic fiber pulp, and then adding polyacrylamide (retention aid) with the weight average molecular weight of 200-400 ten thousand, alkyl ketene dimer (sizing agent) and glass powder (filling agent) to be continuously and uniformly mixed to obtain a mixture; wherein the mass ratio of the essence-loaded activated carbon fiber to the softwood pulp to the synthetic fiber pulp is 2:2:2, the mass of the polyacrylamide and the mass of the alkyl ketene dimer are respectively 0.33 percent of the mass of the essence-loaded activated carbon fiber, and the mass of the glass powder is 10 percent of the mass of the essence-loaded activated carbon fiber;
(5) adding water with one time volume into the mixture, and performing slurry dispersing treatment at 50 ℃ to obtain a slurry dispersing material;
(6) pulping the bulk pulp material by a pulping machine until the pulping degree of the pulp reaches 27 DEG SR, wherein the solid content of the pulp is 4.5%;
(7) carrying out papermaking treatment on the slurry obtained in the step (6), drying and forming at a drying cylinder speed of 1350m/min and a drying cylinder pressure of 3.1 bar;
(8) cutting and calendaring the formed paper, and then rolling and packaging the paper;
(9) cutting paper containing aromatic active carbon fiberCutting into pieces with area of 2mm2Small randomly shaped patches.
In the tobacco shred blending stage, adding paper fragments into the tobacco shreds according to the mass ratio of 10%, uniformly blending, and rolling by a cigarette making machine to obtain a heated non-combustion tobacco section sample 1.
Example 2
(1) The average diameter of the fiber was 15 μm and the specific surface area was 1300m2Drying activated carbon fiber with the average pore diameter of 2.0nm at 80 ℃ for 24 hours;
(2) uniformly mixing 25 parts by mass of bay oil, 45 parts by mass of cinnamyl alcohol, 10 parts by mass of phenylacetaldehyde, 10 parts by mass of ethyl vanillin glucoside and 10 parts by mass of ethyl acetate to obtain liquid essence for later use;
(3) stirring the activated carbon fiber and liquid essence at normal temperature for 15 minutes, wherein the mass ratio of the activated carbon fiber to the essence is 1:15, standing for 40 minutes, filtering out the activated carbon fiber loaded with the essence, and drying in the shade at normal temperature for later use, wherein the mass content of the essence in the activated carbon fiber loaded with the essence is 3.8%;
(4) uniformly mixing dried essence-loaded activated carbon fiber, softwood pulp and synthetic fiber wood pulp, adding polyoxyethylene (retention aid), styrene-maleic anhydride copolymer (sizing agent) and graphite (filling agent), and continuously uniformly mixing to obtain a mixture; wherein the mass ratio of the essence-loaded activated carbon fiber to the softwood pulp to the synthetic fiber pulp is 1:1:1, the mass of the polyoxyethylene and the mass of the styrene-maleic anhydride copolymer are respectively 2.5% of the mass of the essence-loaded activated carbon fiber, and the mass of the graphite is 10% of the mass of the essence-loaded activated carbon fiber;
(5) adding water with one time volume into the mixture, and performing slurry dispersing treatment at 55 ℃ to obtain a slurry dispersing material;
(6) pulping the bulk pulp material by a pulping machine until the pulping degree of the pulp reaches 31 DEG SR, wherein the solid content of the pulp is 8.0%;
(7) making the pulp obtained in the step (6) into paper, drying and forming at a drying cylinder speed of 1420m/min and a drying cylinder pressure of 4.3 bar;
(8) cutting and calendaring the formed paper, and then rolling and packaging the paper;
(9) cutting paper containing aromatic-carrying activated carbon fiber into pieces with area of 1mm2Small randomly shaped patches.
In the tobacco shred blending stage, paper fragments are added according to the mass ratio of 15%, and after uniform blending, the mixture is rolled by a cigarette making machine to obtain a heated non-combustion tobacco section sample 2.
Example 3
(1) The average diameter of the fiber was 8 μm and the specific surface area was 1100m2Drying activated carbon fiber with the average pore diameter of 3.0nm at 80 ℃ for 24 hours;
(2) uniformly mixing 30 parts by mass of cassia oil, 20 parts by mass of eugenol, 10 parts by mass of clove bud oil and 5 parts by mass of sweet orange oil to obtain liquid essence for later use;
(3) stirring the activated carbon fiber and liquid essence at normal temperature for 30 minutes, wherein the mass ratio of the activated carbon fiber to the essence is 1:20, standing for 60 minutes, filtering out the activated carbon fiber loaded with the essence, and drying in the shade at normal temperature for later use, wherein the mass content of the essence in the activated carbon fiber loaded with the essence is 5.8%;
(4) uniformly mixing dried activated carbon fiber loaded with essence, softwood pulp and synthetic fiber wood pulp, and then adding cationic polyacrylamide (retention aid) with the weight average molecular weight of 500-700 ten thousand, carboxymethyl cellulose (sizing agent) and diatomite (filling agent) to be continuously and uniformly mixed to obtain a mixture; wherein the mass ratio of the essence-loaded activated carbon fiber to the softwood pulp to the synthetic fiber pulp is 5:5:5, the mass of the cationic polyacrylamide and the mass of the carboxymethyl cellulose are respectively 4% of the mass of the essence-loaded activated carbon fiber, and the mass of the diatomite is 14% of the mass of the essence-loaded activated carbon fiber;
(5) adding water with one time volume into the mixture, and performing slurry dispersing treatment at 53 ℃ to obtain a slurry dispersing material;
(6) pulping the bulk pulp material by a pulping machine until the pulping degree of the pulp reaches 31SR, wherein the solid content of the pulp is 11.2%;
(7) carrying out papermaking treatment on the slurry obtained in the step (6), drying at a drying cylinder speed of 1570m/min and a drying cylinder pressure of 2.9bar, and airing and forming;
(8) cutting and calendaring the formed paper, and then rolling and packaging the paper;
(9) cutting paper containing aromatic-carrying activated carbon fiber into pieces with area of 0.5mm2Small randomly shaped patches.
In the tobacco shred blending stage, paper fragments are added into the tobacco shreds according to the mass ratio of 20%, the mixture is uniform, and the tobacco shreds are rolled by a cigarette making machine to obtain a heated non-combustion tobacco section sample 3.
The thickness of the paper obtained in example 1-3 is 145-210 μm, and the tensile strength is 450-780N/m.
Comparative example 1
Omitting the steps (4) - (9), adding dried activated carbon fiber loaded with essence in the shade according to the mass ratio of 3.5% in the tobacco shred blending stage, blending uniformly, and rolling by a cigarette making machine to obtain a heated non-combustion tobacco section sample A; the rest is the same as in example 1.
Comparative example 2
Omitting the step (3);
in the step (4), uniformly mixing the activated carbon fiber, the softwood pulp and the synthetic fiber pulp, then adding 200-400 million of polyacrylamide (retention aid), alkyl ketene dimer (sizing agent) and glass powder (filling agent) with weight average molecular weight, and continuously and uniformly mixing, wherein the mass ratio of the activated carbon fiber, the softwood pulp, the synthetic fiber pulp and other components is the same as that in the example 1;
in the step (9), the cut small fragments are immersed in the liquid essence prepared in the step (2) for 30 minutes, the mass ratio of the small fragments to the liquid essence is 1:6, then the mixture is kept stand for 30 minutes, paper fragments loaded with the essence are filtered out, the paper fragments are dried in shade at normal temperature, then the paper fragments are added according to the mass ratio of 10% in the tobacco shred blending stage, the mixture is uniform, and the mixture is rolled by a cigarette making machine to obtain a sample B of the heated non-combustion tobacco section;
the rest is the same as in example 1.
Reference example
In the tobacco shred blending stage, the liquid essence prepared in the step (2) in the embodiment 1 is added into the tobacco shreds according to the mass ratio of 1%, uniformly mixed, dried and rolled by a cigarette making machine to obtain a reference sample.
Test example
And testing the release amount of the essence in the smoking process of the samples 1-3 of the heated non-combustion tobacco section, the samples A-B of the heated non-combustion tobacco section and the reference sample.
The sample is subjected to smoke suction port by port on a 10-pore linear smoking machine by adopting a heating appliance for heating non-combustion cigarettes; specific pumping parameters: the duration of each puff was 2s, the volume of each puff was 50mL, and the puff-by-puff interval was 30s, the flavour content in the mainstream smoke was tested mouth by mouth, and the results are shown in table 1.
TABLE 1 flavor content in mouth-by-mouth mainstream Smoke (μ g/50mL)
Figure BDA0002591976900000101
As can be seen from Table 1, the heated non-combusted tobacco segment samples prepared by the method of the present invention had a slow release effect on the flavor aroma compared to the reference samples; compared with the heated non-combustion tobacco section samples A-B prepared by the comparative example, the heated non-combustion tobacco section samples prepared by the method have the advantages of stronger fragrance, more obvious slow release effect and longer slow release duration, and can meet the requirement of fragrance persistence in the smoking process of consumers.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A method for preparing activated carbon fiber composite paper comprises the following steps:
(1) mixing activated carbon fiber with liquid essence, performing solid-liquid separation, collecting solid phase, and drying;
(2) mixing the solid phase substance obtained in the step (1), the non-tobacco fiber slurry and optional auxiliary agents to obtain a mixture; wherein the mass ratio of the solid phase substance to the non-tobacco fiber slurry is 1 (0.5-4);
(3) sequentially carrying out pulp dispersing and pulping treatment on the mixture to obtain mixed pulp;
(4) and (4) making the mixed slurry, and drying to obtain the activated carbon fiber composite paper.
2. The method according to claim 1, wherein in the step (1), the activated carbon fibers have an average diameter of 5 to 30 μm;
preferably, the specific surface area of the activated carbon fiber is 700-2400 m2/g；
Preferably, the average pore diameter of the activated carbon fiber is 1-30 nm.
3. The process of claim 1, wherein in step (2), the non-tobacco fiber pulp is selected from softwood pulp, hardwood pulp, synthetic fiber pulp, and hemp pulp;
preferably, the non-tobacco fiber pulp is softwood pulp and synthetic fiber pulp, more preferably the mass ratio of the softwood pulp to the synthetic fiber pulp is 1: 1.
4. The method according to any one of claims 1 to 3, characterized by one or more of the following A to K:
A. in the step (1), the mass ratio of the activated carbon fiber to the liquid essence is 1 (6-30);
B. in the step (1), mixing for 5-60 minutes;
C. in the step (1), mixing at normal temperature and under stirring conditions;
D. in the step (1), standing is carried out before solid-liquid separation;
preferably, standing for 10-120 minutes;
E. in the step (1), the mass content of the essence in the dried solid phase is 0.1-8.0%;
F. in the step (2), the mass of the auxiliary agent is 7-30% of that of the solid phase;
G. in the step (2), the auxiliary agent is selected from a retention aid, a sizing agent and a filling agent;
preferably, the retention aid is selected from polyacrylamide, polyoxyethylene and organic amine salt derivatives;
preferably, the sizing agent is selected from the group consisting of rosin, unmodified and modified starch PVA, alkyl ketene dimer, alkenyl succinic anhydride, modified starch, paraffin emulsion, carboxymethyl cellulose and styrene-maleic anhydride copolymer;
preferably, the filler is selected from kaolin, diatomaceous earth, talc, graphite, carbon black, alumina powder and glass powder;
preferably, the mass ratio of the retention aid to the sizing agent to the filler is 1:1 (1-40);
H. in the step (3), the operating conditions of the slurry dispersing treatment are as follows: adding water according to the volume ratio of the feed liquid of 1:1, and then performing slurry dispersing treatment at 50-70 ℃;
I. in the step (3), the operation conditions of the pulping treatment are as follows: pulping the pulp subjected to pulp dispersing treatment by a pulping machine until the pulping degree reaches 24-37 DEG SR;
preferably, the concentration of the mixed slurry obtained in the step (3) is 3-15%;
J. in the step (4), the operating conditions of the papermaking treatment are as follows: the drying speed is 1200-1700m/min, and the drying pressure is 2.4-4.6 bar;
K. the method further comprises step (5): cutting the activated carbon fiber composite paper, performing calendaring treatment and packaging.
5. The method according to claim 1, wherein in step (1), any one of the following a to c is characterized:
a. the liquid essence comprises:
Figure FDA0002591976890000021
b. the liquid essence comprises:
Figure FDA0002591976890000022
Figure FDA0002591976890000031
c. the liquid essence comprises:
Figure FDA0002591976890000032
6. an activated carbon fiber composite paper produced by the method of any one of claims 1 to 5;
preferably, the thickness of the activated carbon fiber composite paper is 145-210 μm;
preferably, the tensile strength of the activated carbon fiber composite paper is 450-780N/m.
7. A leaf formulation for a heated non-combustible cigarette, comprising the activated carbon fiber composite paper of claim 6 and cut tobacco;
preferably, the mass ratio of the activated carbon fiber composite paper to the cut tobacco is (0.05-0.5): 1;
preferably, the activated carbon fiber composite paper is 0.5-2mm2Of the chip (a).
8. A tobacco segment for a heated, non-burning cigarette having a leaf set formulation according to claim 7.
9. A heated, non-burning cigarette comprising the tobacco segment of claim 8.
10. Use of the activated carbon fiber composite paper of claim 6 in the preparation of a heated non-combustible tobacco product;
preferably, the heated non-combustible smoking article is a heated non-combustible cigarette or a tobacco segment of a heated non-combustible cigarette.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101015394A (en) * 2007-02-15 2007-08-15 湖南中烟工业公司 Filter tip capable of eliminating nitrite amine and phenols in cigarette fume and its making process
CN102352575A (en) * 2011-07-02 2012-02-15 云南瑞升烟草技术（集团）有限公司 Filter candle paper added with adsorbent filling material, paper-based filter candle and preparation method
CN202999280U (en) * 2013-01-16 2013-06-19 南通烟滤嘴有限责任公司 Ternary composite filter comprising active carbon paper filtering section
CN105105334A (en) * 2015-07-17 2015-12-02 云南中烟工业有限责任公司 Spice slow-release filter tip additive with polymer covering film as well as preparation method and application thereof
CN105747264A (en) * 2016-04-20 2016-07-13 贵州中烟工业有限责任公司 Method for preparing heat-not-burn tobacco bases containing active carbon
CN111317166A (en) * 2020-04-14 2020-06-23 云南瑞升烟草技术（集团）有限公司 Preparation method of bouquet type non-combustion reconstituted tobacco for heating non-combustion cigarettes
CN210946287U (en) * 2019-07-31 2020-07-07 河南省轻工业科学研究所有限公司 Activated carbon fiber filter paper production system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101015394A (en) * 2007-02-15 2007-08-15 湖南中烟工业公司 Filter tip capable of eliminating nitrite amine and phenols in cigarette fume and its making process
CN102352575A (en) * 2011-07-02 2012-02-15 云南瑞升烟草技术（集团）有限公司 Filter candle paper added with adsorbent filling material, paper-based filter candle and preparation method
CN202999280U (en) * 2013-01-16 2013-06-19 南通烟滤嘴有限责任公司 Ternary composite filter comprising active carbon paper filtering section
CN105105334A (en) * 2015-07-17 2015-12-02 云南中烟工业有限责任公司 Spice slow-release filter tip additive with polymer covering film as well as preparation method and application thereof
CN105747264A (en) * 2016-04-20 2016-07-13 贵州中烟工业有限责任公司 Method for preparing heat-not-burn tobacco bases containing active carbon
CN210946287U (en) * 2019-07-31 2020-07-07 河南省轻工业科学研究所有限公司 Activated carbon fiber filter paper production system
CN111317166A (en) * 2020-04-14 2020-06-23 云南瑞升烟草技术（集团）有限公司 Preparation method of bouquet type non-combustion reconstituted tobacco for heating non-combustion cigarettes

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