CN109480331B - Preparation method and device of water blasting bead - Google Patents
Preparation method and device of water blasting bead Download PDFInfo
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- CN109480331B CN109480331B CN201811372831.6A CN201811372831A CN109480331B CN 109480331 B CN109480331 B CN 109480331B CN 201811372831 A CN201811372831 A CN 201811372831A CN 109480331 B CN109480331 B CN 109480331B
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- wall material
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- 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
-
- 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
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- 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention discloses a preparation method of water blasting beads, which is characterized by dissolving a hydrophobic wall material in solvent oil to obtain a hydrophobic wall material-solvent oil solution, coating a water-soluble essence on the hydrophobic wall material-solvent oil solution to prepare a prefabricated liquid column, flowing into a circulating coagulation bath, solidifying along with the circulation of the coagulation bath for a proper time, filtering and drying to obtain the water blasting beads, wherein the coagulation liquid in the coagulation bath is mutually soluble with the solvent oil and cannot dissolve the hydrophobic wall material, and the coagulation bath extracts the solvent oil to ensure that the water-soluble essence coated by the hydrophobic wall material is contracted into pills. Also discloses a preparation device of the water blasting bead. The invention has high production efficiency and can be suitable for large-scale production of the existing pill dropping machine.
Description
Technical Field
The invention relates to the field of cigarette making, in particular to a method and a device for preparing water blasting beads.
Background
The bead for cigarette is a small glue bead with liquid inside, the liquid inside contains essence, and the outer wall material is mainly polymer. The tobacco filter contains the small rubber beads, and is mainly used for giving different smoking mouthfeel, flavor and other experiences to consumers. After the popping beads are pinched broken, the internally-packed liquid flows out, and the sucked smoke has the fragrance of the essence in the popping beads, so that the taste is richer and more fragrant. The small glue beads in the literature and the market at present mainly comprise oil-soluble essence, the outer layer of polymer mainly comprises hydrophilic polymer such as gelatin, for example, patent application CN201611072960.4, carrageenan, gum arabic, for example, patent application CN201710761556.6, and chitosan, polyvinyl alcohol, sodium hydroxymethyl cellulose and hydroxyethyl cellulose are blended to improve the quality of the bead blasting, for example, patent application CN201611114658.0, in order to reduce the moisture absorption of the glue skin.
In the prior art, the network gel is formed by the water-based polymer to prepare the bead blasting product, so that the water-soluble essence cannot be wrapped, and the selection range of the essence for bead blasting is seriously reduced. Patent application 201510741940.0 discloses a multifunctional cigarette blasting bead based on liquid marble and a preparation method thereof, which enlarges the range and functions of the blasting bead for cigarettes. However, this production method is inefficient and difficult to operate. Some of the methods adopt a mode of preparing multilayer blasting beads for blasting bead production, for example, CN 103815541A, CN 103815542B adopts waxy materials for the outer layers of the multilayer blasting beads, so that the yield of products which are easy to crack is low, and the mass production is not facilitated due to too many layers. CN201710927167.6 has proposed that an explosion pearl wall material with hot melt adhesive as the inlayer, aqueous polymer that takes modified starch as the main skin wraps up water-soluble essence, but hot melt adhesive melt viscosity is great, and the dropping pill machine drips the inefficiency, and industrial production explodes pearl cycle length, and require higher to the pill machine precision and be not fit for using on current pill machine, need carry out the pertinence improvement to the apparatus for producing, can not carry out large-scale production on current industrial pill machine.
disclosure of Invention
The invention aims to provide a preparation method of water blasting beads, which is obtained by preparing a prefabricated liquid column by coating water-soluble essence on a hydrophobic wall material-solvent oil solution, flowing the prefabricated liquid column into a coagulating bath, extracting solvent oil through the coagulating bath after the prefabricated liquid column is contracted into a ball drop, and solidifying the water-soluble essence coated on the hydrophobic wall material into a pill. Different from the prior art, the method has high production efficiency, is completely suitable for the existing pill dropping machine equipment, has good product quality stability, and can be suitable for industrialized large-scale production.
The invention is realized by the following technical scheme:
A preparation method of water-exploded beads comprises the steps of dissolving a hydrophobic wall material in solvent oil to obtain a hydrophobic wall material-solvent oil solution, coating a water-soluble essence on the hydrophobic wall material-solvent oil solution to prepare a prefabricated liquid column, flowing into a circulating coagulation bath, circularly solidifying along with the coagulation bath, filtering and drying to obtain the water-exploded beads, wherein the coagulation liquid in the coagulation bath is mutually soluble with the solvent oil and cannot dissolve the hydrophobic wall material, and the coagulation bath extracts the solvent oil to enable the water-soluble essence coated by the hydrophobic wall material to shrink into pills.
The coagulation bath has a coagulation liquid density of 0.78-0.92 g.cm-3。
The temperature of the coagulation bath is lower than the temperature of the preformed liquid column.
The temperature of the coagulation bath is between 20 and 35 ℃.
the hydrophobic wall material is polyolefin and ethylene-propylene rubber, and comprises one or more of polyethylene, ethylene-based copolymer, polypropylene, polybutylene, ethylene-propylene rubber and ethylene-propylene-diene rubber.
the coagulating liquid in the coagulating bath is one or more of acetone, isophorone, methyl isobutyl ketone, methyl isopropyl ketone, diisopropyl acetone, diisopropyl ketone, diethyl ketone, ethyl acetate, butyl acetate, turpentine and paraffin oil.
The solvent oil in the invention comprises: one or more of 90#, 120#, 200#, and 260#, but not limited to the above-mentioned types of solvent oils, any solvent oils capable of achieving the objects of the present invention are within the scope of the present invention.
In the hydrophobic wall material-solvent oil solution, the mass fraction of the hydrophobic wall material is 5-25%, the viscosity range of the hydrophobic wall material-solvent oil solution is 700-1500cP, and in the range, the viscosity of the hydrophobic polymer solution is suitable for dropping and preparing the explosion beads by a dropping pill machine, and the wall thickness of the explosion beads can meet the requirement; the higher the mass fraction of the hydrophobic polymer, the higher the extraction efficiency and the faster the curing speed. Furthermore, the mass fraction of the solution is between 15 and 25 percent, the bead blasting solidification time is short, and the mass fraction of the polymer solution is preferably between 20 and 25 percent.
The coagulation bath had a coagulation liquid density of 0.78 ~ 0.92.92 g.cm-3In this density range, the blasting beads can be immersed in the coagulation bath to circulate smoothly and are not easily eccentric. When the density of the coagulation bath is higher, the moving speed of the exploded bead is lower than the flowing speed of the coagulation bath, and the exploded bead is subjected to the shearing force of the coagulation liquidDeformation is caused, the interface of the wall material and the essence aqueous solution in the wall material is incompatible, and surface deformation and shearing stress are not propagated to cause eccentricity. Further, when the density is 0.78-0.88 g.cm-3In between, the exploded beads are not easy to stick, the exploded beads are round and smooth, the sphericity is high, and the preferred coagulating bath density is 0.78-0.85 g.cm-3(ii) a The sticking of the popping beads is a problem which occurs only in the coagulation bath, and the inventors found that when the coagulation bath density is too high, the speed of movement of the popping beads is lower than the flow rate of the coagulation bath, and the speed difference is large, the popping beads which are not solidified are stuck due to a certain degree of stacking.
The temperature of the coagulating bath is 20-50 ℃, and the bead blasting can be solidified and the surface of the bead blasting finished product is not sticky in the temperature range; furthermore, when the temperature of the coagulation bath is between 35 and 50 ℃, the curing speed is higher, and the temperature of the coagulation bath is preferably between 35 and 50 ℃. The faster the cure rate, the less chance of bead coalescence.
The drying temperature is between 20 and 50 ℃, the drying time is short when the drying temperature is high, but the drying temperature is too high, the wall material is softened, the bead is deformed to some extent under the action of extrusion, shearing and gravity, and the sphericity is reduced; the drying temperature is preferably 35-50 ℃.
The invention firstly dissolves wall materials in a solvent oil solvent, then the wall material-solvent oil solution and a core material solution form a concentric flow column of the wall material-solvent oil solution wrapped core materials, the concentric flow column in a coagulation bath flows into the coagulation bath, the concentric flow column in the coagulation bath shrinks into balls under the action of surface tension, and the spherical body of the wall material wrapped core materials is formed after the solvent oil solvent is extracted by the coagulation liquid. Under the action of surface tension, the liquid globule has uniformly distributed wall material and smooth surface, the curvatures of all parts of the sphere are consistent, the cohesionless globule is suspended in the coagulating liquid without deformation force, and the surface shape is not changed by the molecular exchange during the solvent extraction, so the surface state can be maintained. After solvent oil is extracted by a coagulating bath, the obtained water exploded bead has high roundness degree and uniformity.
The utility model provides a device of preparation water explosion pearl, including the first storage tank that is used for adorning wall material solution and the second storage tank that is used for adorning the core material, first storage tank cover is established outside the second storage tank, and the bottom export of first storage tank and second storage tank sets up for concentric, first storage tank and second storage tank all have the feed inlet, be provided with coagulation bath circulation system under the bottom of first storage tank, coagulation bath circulation system includes including the circulating pump, first liquid storage tank, second liquid storage tank and conveying mesh screen, the entry of first liquid storage tank and the export of first storage tank are linked together, the export setting of first liquid storage tank is in the top of conveying mesh screen, the conveying mesh screen sets up the top at the second liquid storage tank, the export of second liquid storage tank and the entry of first liquid storage tank are linked together, the circulating pump sets up at first liquid storage tank, on the intercommunication passageway between the second liquid storage tank. When in implementation, the silica gel hose can be used as a communicating pipeline.
Further, first storage tank and second storage tank are sandwich structure, and sandwich structure is used for letting in heat preservation circulating water.
The invention can directly utilize the existing pill dropping machine to prepare the concentric flow column, as described in the examples.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. The invention has high production efficiency and can be suitable for large-scale production of the existing pill dropping machine.
2. The water blasting bead obtained by the method has the advantages of good transparent and smooth appearance, roundness, no eccentricity, high product qualification rate and capability of completely meeting the processing requirements of cigarette filters.
3. The solvent and the coagulating bath can be separated, recycled and utilized, and the method is environment-friendly and has high economic benefit.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a block diagram of the apparatus of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a second storage tank, 2-a first storage tank, 3-a first liquid storage tank, 4-a transmission mesh screen, 5-a second liquid storage tank and 6-a circulating pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limitations of the present invention.
Example 1:
Dissolving 15 parts by mass of ethylene-octene copolymer in 85 parts by mass of 200# solvent oil at 85 ℃, keeping the temperature of 85 ℃ in a storage tank after removing bubbles, introducing essential oil water solution from the inner layer of a concentric dripper, introducing wall material solution from the outer layer, allowing the formed concentric flow column to flow into 25 ℃ acetone coagulation bath, shrinking the liquid drops into pills under the action of surface tension, circularly solidifying, filtering, and completely drying by blowing at 45 ℃ to obtain water-soluble essence-coated water-exploded beads, wherein the acetone density in the coagulation bath is 0.78 g.cm-3。
The average of the water explosion beads is 3.5mm, the sphericity is 0.92 +/-0.01, the wall thickness is about 0.9mm, and the compressive strength is 17N.
Example 2:
Dissolving 17 parts by mass of ethylene propylene rubber in 83 parts by mass of 120# solvent oil at 70 ℃, keeping the temperature of 70 ℃ in a storage tank after removing bubbles, introducing essential oil water solution from the inner layer of a concentric dripper, introducing wall material solution from the outer layer, allowing the formed concentric flow column to flow into a 20 ℃ methyl isopropyl ketone and diethyl ketone mixed coagulation bath, shrinking liquid drops into pills under the action of surface tension, circularly solidifying, filtering out 35 ℃ blast air and completely drying to obtain water explosion beads wrapping water-soluble essence, wherein the density of the mixed coagulation liquid in the coagulation bath is 0.81g.cm-3。
The diameter of the water explosion bead is 3.6mm, the sphericity is 0.94 +/-0.01, the wall thickness is about 1.0mm, and the compressive strength is 14N.
Example 3:
Dissolving 10 parts by mass of low-density polyethylene and 3 parts by mass of ethylene-vinyl acetate copolymer in 87 parts by mass of 200# solvent oil at 95 ℃, keeping the temperature of 95 ℃ in a storage tank after removing bubbles, introducing an essential oil aqueous solution from an inner layer of a concentric dripper, introducing a wall material solution from an outer layer, allowing a formed concentric flow column to flow into a mixed coagulation bath of 35 ℃ ethyl acetate, acetone and isophorone, shrinking liquid drops into pills under the action of surface tension, and circulatingFiltering after solidification, and completely drying with air blast at 45 deg.C to obtain water-soluble essence-coated water exploding bead, wherein the density of coagulating liquid in mixed coagulating bath is 0.85 g.cm-3。
The diameter of the water explosion bead is 3.4mm, the sphericity is 0.95 +/-0.01, the wall thickness is about 0.8mm, and the compressive strength is 15N.
To further illustrate the effect of the coagulation bath density on the adhesion of water droplets, the inventors further performed a series of experiments on the coagulation bath density, and examined the problem of adhesion of water droplets with the same parameters except for the change in the coagulation bath density with respect to example 3.
Example 4
Similar to example 3, except that the density of the mixed coagulation bath in the coagulation bath was 0.80 g.cm-3。
Example 5
Similar to example 3, except that the density of the mixed coagulation bath in the coagulation bath was 0.88 g.cm-3。
Example 6
Similar to example 3, except that the density of the mixed coagulation bath in the coagulation bath was 0.92 g.cm-3。
To further illustrate the influence of the drying temperature on the sphericity, the inventor further performed a series of experiments on the drying temperature, taking example 2 as a standard, and apart from the change of the drying temperature, the other parameters were consistent, and the problem of the sphericity of the water blasting beads was examined.
Example 7
Similar to example 2, except that the drying temperature was 20 ℃.
Example 8
similar to example 2, except that the drying temperature was 50 ℃.
Comparative example 1
Similar to example 2, except that the coagulation bath used cyclohexanone and methyl acetate as coagulation liquids, the density of the mixed coagulation bath was 0.94 g.cm-3。
Comparative example 2
similar to example 2, except that the coagulation bath was mixed with methylene chloride and ethyl acetate as coagulation liquidsThe density of the solid bath was 1.08 g.cm-3。
Comparative example 3
Similar to example 2, except that the drying temperature was 65 ℃.
Comparative example 4
Similar to example 2, except that the drying temperature was 80 ℃.
The phenomenon of sticking in the final water exploded beads is shown in the following table:
TABLE 1
TABLE 2 influence of drying temperature on sphericity
It can be seen from the above comparative experiment that this application can obtain the higher pearl that explodes of degree of roundness to can effectively solve the probably sticky phenomenon that exists of coagulating bath.
Example 10
A device for preparing water blasting beads comprises a first storage tank 2 used for containing wall material solution and a second storage tank 1 used for containing core materials, wherein the first storage tank 2 is sleeved outside the second storage tank 1, a bottom outlet of the first storage tank 2 and a bottom outlet of the second storage tank 1 are concentrically arranged, the first storage tank 2 and the second storage tank 1 are provided with feed inlets, a coagulation bath circulating system is arranged under the bottom of the first storage tank 2 and comprises a circulating pump 6, a first liquid storage tank 3, a second liquid storage tank 5 and a conveying mesh screen 4, an inlet of the first liquid storage tank 3 is communicated with an outlet of the first storage tank 2, an outlet of the first liquid storage tank 3 is arranged above the conveying mesh screen 4, the conveying mesh screen 4 is arranged above the second liquid storage tank 5, an outlet of the second liquid storage tank 5 is communicated with an inlet of the first liquid storage tank 3, and the circulating pump 6 is arranged on the first liquid storage tank 3, On the communication path between the second reservoir tanks 5. When in implementation, the silica gel hose can be used as a communicating pipeline.
In practice, when the concentric flow column falls into the coagulation bath, circulation is carried out, and the solidified exploded beads are retained by the transfer mesh 4, so that the exploded beads can be obtained.
Further, first storage tank 2 and second storage tank 1 are sandwich structure, and sandwich structure is used for letting in heat preservation circulating water.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. a preparation method of water blasting beads is characterized in that a hydrophobic wall material is dissolved in solvent oil to obtain a hydrophobic wall material-solvent oil solution, a water-soluble essence is coated on the hydrophobic wall material-solvent oil solution to form a prefabricated liquid column, the prefabricated liquid column flows into a circulating coagulation bath to be circularly solidified along with the coagulation bath, and the water-soluble essence is filtered and dried to obtain the water blasting beads, wherein a coagulation liquid in the coagulation bath is mutually dissolved with the solvent oil and cannot dissolve the hydrophobic wall material, the coagulation bath plays a role in extracting the solvent oil to enable the hydrophobic wall material to wrap the water-soluble essence to be shrunk into pills, the hydrophobic wall material is polyolefin or ethylene propylene rubber and comprises polyethylene, ethylene-based copolymer, polypropylene, polybutene, ethylene propylene diene rubber and ethylene propylene diene rubber, and the coagulation liquid in the coagulation bath is acetone, isophorone, methyl isobutyl ketone, methyl isopropyl ketone, diisopropyl acetone, diisopropyl ketone, One or more of diethyl ketone, ethyl acetate, butyl acetate, turpentine and paraffin oil, and the temperature of the coagulating bath is 20-35 deg.C.
2. The production method as set forth in claim 1, wherein the coagulation bath has a coagulation liquid density of 0.78 to 0.92 g.cm-3。
3. The method of claim 1, wherein the temperature of the coagulation bath is lower than the temperature of the preformed liquid column.
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| CN110663998A (en) * | 2019-09-25 | 2020-01-10 | 湖南雄鹰烟草材料有限公司 | Automatic extrusion dripping equipment for blasting beads |
| CN110777005A (en) * | 2019-11-08 | 2020-02-11 | 湖北中烟工业有限责任公司 | Preparation method of citrus essential oil dropping pill |
| CN111567868B (en) * | 2020-05-19 | 2022-05-03 | 广西中烟工业有限责任公司 | Cigarette blasting bead preparation device and application thereof |
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