CN111471412A - Hot melt adhesive for covering of essence-resistant thermoplastic filter rod and preparation method thereof - Google Patents
Hot melt adhesive for covering of essence-resistant thermoplastic filter rod and preparation method thereof Download PDFInfo
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- CN111471412A CN111471412A CN202010491486.9A CN202010491486A CN111471412A CN 111471412 A CN111471412 A CN 111471412A CN 202010491486 A CN202010491486 A CN 202010491486A CN 111471412 A CN111471412 A CN 111471412A
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- hot melt
- melt adhesive
- essence
- montmorillonite
- filter stick
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to an essence-resistant hot melt adhesive for lapping a thermoplastic filter stick and a preparation method thereof. The surface grafting modified nano-montmorillonite is used as a modified functional filler, a new physical cross-linking point is formed in a hot melt adhesive system, the prepared hot melt adhesive for thermoplastic filter stick lapping with excellent essence resistance is obviously improved in the capability of resisting organic solvents, particularly volatile migration organic solvents, the explosion resistance of the filter stick with higher essence addition proportion is obviously improved, and the special requirement of the market on the hot melt adhesive for lapping is met.
Description
Technical Field
The invention belongs to the technical field of hot melt adhesives, and particularly relates to an essence-resistant hot melt adhesive for making up openings of thermoplastic filter rods and a preparation method thereof.
Background
The rapid development of filter stick forming machinery and the layer emergence of special filter sticks such as composite filter sticks, grooved filter sticks and special filter sticks raise higher requirements on the service performance and the storage performance of the hot melt adhesive for filter stick lapping in the tobacco industry. Especially, the added tobacco essence migrates in the storage process of the filter stick of the high-permeability plug wrap paper containing the spice line, so that part of components in the hot melt adhesive are swelled and damaged, and the retention of the permanent adhesive force of the hot melt adhesive is seriously influenced.
The tobacco essence is an additive for tobacco products, which is prepared by adding suitable auxiliary materials and proper solvents into more than two tobacco flavors according to a certain proportion. Thus, a perfume is a mixture containing one or more compounds such as esters, aldehydes, ketones, phenols, lactones, acids, nitrogen-containing compounds, and the like. In order to improve the performance of the EVA hot melt adhesive against solvents such as triacetyl glycerine and the like, researchers strengthen the network or relieve the swelling degree by adding SEBS as a protective body [1] and polymethyl methacrylate as an oil-absorbing resin [2], and the like, so as to achieve the purpose of improving the solvent resistance. However, these methods have limited solvent resistance and too single function, and cannot effectively solve the problem of the perfume resistance.
In order to fill up the problem that a filter stick with high essence content is easy to crack, which is puzzled by an EVA hot melt adhesive essence-resistant modification method in the industry, the invention designs a formula of the hot melt adhesive for lapping, improves the tolerance of the hot melt adhesive for lapping to most organic solvents, and successfully prepares the hot melt adhesive for lapping the thermoplastic filter stick with excellent essence-resistant performance.
Reference documents:
[1] a cigarette filter rod forming hot melt adhesive with forest peak and long storage life and a production method thereof are disclosed in the specification, CN 106047288A;
[2] CN 109609059A is a cigarette filter tip rod forming hot melt adhesive with long storage period.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an essence-resistant thermoplastic filter stick lap hot melt adhesive and a preparation method thereof, aiming at filling up the essence-resistant modification method of an EVA hot melt adhesive and solving the problem that a filter stick with high essence content is easy to crack, which puzzles the industry: the surface grafting modified nano-montmorillonite is used as a modified functional filler, a new physical cross-linking point is formed in a hot melt adhesive system, and the capability of the cross-linking point in resisting organic solvents, particularly volatile migration organic solvents, is obviously improved, so that the hot melt adhesive for making the mouth of the thermoplastic filter stick with excellent essence resistance is prepared, and the explosion-proof performance of the filter stick with higher essence adding proportion is obviously improved.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the hot melt adhesive for the essence-resistant thermoplastic filter stick lap is mainly prepared from EVA resin, hydrogenated rosin glyceride, nano montmorillonite paraffin and an antioxidant, wherein the mass ratio of the EVA resin to the hydrogenated rosin glyceride to the nano montmorillonite to the paraffin to the antioxidant is (25-42.8): 27-45): 3-10: (15-20): 0.2-0.5.
The invention provides an essence-resistant thermoplastic filter stick lap hot melt adhesive, which is characterized in that nano montmorillonite is surface graft modified nano montmorillonite, and preferably at least one of silane, titanate, isocyanate and quaternary ammonium salt is used for surface graft modification of the nano montmorillonite.
The invention provides an essence-resistant thermoplastic hot melt adhesive for filter stick lapping, which is prepared by the following steps of using surface grafting modified nano montmorillonite:
(1) carrying out intercalation oxidation on the nano montmorillonite for 3 hours at 80 ℃ by hydrogen peroxide;
(2) then in the aqueous solution, polyvinyl alcohol is used as a dispersing agent, at least one of silane, titanate and quaternary ammonium salt is used as a modifier, benzoyl peroxide is used as an initiator, and a surface graft montmorillonite crude product with the grafting rate of 15 percent is prepared by a suspension polymerization grafting method;
(3) and freezing and drying the crude product to obtain a final product.
The invention also provides a preparation method of the essence-resistant thermoplastic hot melt adhesive for filter stick lap, which comprises the following steps:
(1) fully drying EVA resin, hydrogenated rosin glyceride, nano montmorillonite, paraffin and antioxidant, and uniformly premixing;
(2) and adding the uniformly premixed materials into blending equipment, melting at high temperature, uniformly mixing in a vacuum state, and cooling and granulating.
The invention provides a preparation method of an essence-resistant thermoplastic hot melt adhesive for filter stick lap, which is applicable to blending equipment and comprises the following steps: high-speed kneading machine, open mill, internal mixer, single screw extruder, double screw extruder.
The invention has good effect: the prepared hot melt adhesive for the lapping of the essence-resistant thermoplastic filter stick has the advantages that the capability of resisting organic solvents, particularly volatile and migratory organic solvents, is obviously improved, and the oleophobic property is obviously improved, so that the essence resistance can be improved, the storage stability of the filter stick is improved, and the explosion-resistant performance of the filter stick with higher essence adding proportion is obviously improved; the storage stability represented by the plasticizer resistance can reach 290-370 days, and is obviously superior to that of the common commercially available hot melt adhesive for mouth building.
Detailed Description
The present invention will be described in further detail with reference to examples, but the scope of the present invention is not limited to these examples.
Example 1
The preparation method of the hot melt adhesive for the essence-resistant thermoplastic filter stick lap comprises the following specific steps:
(1) preparing quaternary ammonium salt surface grafting modified nano montmorillonite: the nano montmorillonite is intercalated and oxidized by hydrogen peroxide at 80 ℃ for 3 hours, and then in aqueous solution, the surface graft montmorillonite product with the grafting rate of 15 percent is prepared by a suspension polymerization grafting method by using polyvinyl alcohol as a dispersing agent, quaternary ammonium salt as a modifying agent and benzoyl peroxide as an initiating agent. Freeze drying the product to obtain surface grafting modified nano montmorillonite;
(2) weighing 37.8 parts of EVA resin, 32 parts of hydrogenated rosin glyceride, 10 parts of quaternary ammonium salt surface grafting modified nano montmorillonite, 20 parts of paraffin and 0.2 part of antioxidant according to the parts by weight, fully drying, adding the paraffin, the antioxidant, the EVA resin, the surface grafting modified nano montmorillonite and the hydrogenated rosin glyceride into a high-speed mixer in sequence, and uniformly premixing;
(3) uniformly and premixing EVA resin, hydrogenated rosin glyceride, surface grafting modified nano montmorillonite, paraffin and antioxidant, continuously adding the materials into a single-screw extruder, presetting the rotating speed to ensure that the materials stay for 30-45 minutes, carrying out high-temperature melting mixing at 170-190 ℃ in a vacuum state, and then cooling and granulating by an underwater granulator to obtain the hot melt adhesive for the essence-resistant thermoplastic filter stick lap.
The prepared hot melt adhesive has the following properties:
example 2
The preparation of the essence-resistant hot melt adhesive for the mouth building of the thermoplastic filter stick specifically comprises the following steps:
(1) preparing silane surface grafting modified nano montmorillonite:
the nano montmorillonite is intercalated and oxidized by hydrogen peroxide at 80 ℃ for 3 hours, and then in aqueous solution, the surface graft montmorillonite product with the grafting rate of 15 percent is prepared by a suspension polymerization grafting method by using polyvinyl alcohol as a dispersing agent, silane as a modifying agent and benzoyl peroxide as an initiating agent. Freeze drying the product to obtain surface grafting modified nano montmorillonite;
(2) weighing 32 parts of EVA resin, 42.8 parts of hydrogenated rosin glyceride, 5 parts of silane surface graft modified nano montmorillonite, 20 parts of paraffin and 0.5 part of antioxidant according to parts by weight, fully drying, adding the paraffin, the antioxidant, the EVA resin, the surface graft modified nano montmorillonite and the hydrogenated rosin glyceride into a high-speed mixer in sequence, and uniformly premixing;
(3) uniformly and premixing EVA resin, hydrogenated rosin glyceride, surface grafting modified nano montmorillonite, paraffin and antioxidant, continuously adding the materials into a single-screw extruder, presetting the rotating speed to ensure that the materials stay for 30-45 minutes, carrying out high-temperature melting mixing at 170-190 ℃ in a vacuum state, and then cooling and granulating by an underwater granulator to obtain the hot melt adhesive for the essence-resistant thermoplastic filter stick lap.
The prepared hot melt adhesive has the following properties:
comparative example 1
A certain commercially available hot melt adhesive product A for a joint is taken as a comparative example, and the performance test results are as follows:
as can be seen from examples 1 and 2 and comparative example 1, the storage stability of the hot melt adhesive for a lap joint of the present invention, which is characterized by plasticizer resistance, is greatly improved as compared with the existing products.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The hot melt adhesive for the essence-resistant thermoplastic filter stick lap is mainly prepared from EVA resin, hydrogenated rosin glyceride, nano montmorillonite, paraffin and an antioxidant, and is characterized in that the mass ratio of the EVA resin to the hydrogenated rosin glyceride to the nano montmorillonite to the paraffin to the antioxidant is (25-42.8): 27-45): 3-10): 15-20): 0.2-0.5.
2. The hot melt adhesive for the essence-resistant thermoplastic filter stick lap according to claim 1, characterized in that the nano-montmorillonite is surface-graft-modified nano-montmorillonite.
3. The hot melt adhesive for the essence-resistant thermoplastic filter stick lap according to claim 2, characterized in that the surface graft modification nano-montmorillonite is prepared by the following steps:
(1) carrying out intercalation oxidation on the nano montmorillonite for 3 hours at 80 ℃ by hydrogen peroxide;
(2) then in the aqueous solution, polyvinyl alcohol is used as a dispersing agent, at least one of silane, titanate and quaternary ammonium salt is used as a modifier, benzoyl peroxide is used as an initiator, and a surface graft montmorillonite crude product with the grafting rate of 15 percent is prepared by a suspension polymerization grafting method;
(3) and freezing and drying the crude product to obtain a final product.
4. The preparation method of the essence-resistant thermoplastic hot melt adhesive for filter stick lapping according to any one of claims 1 to 3, which is characterized by comprising the following steps:
(1) fully drying and uniformly premixing the EVA resin, the hydrogenated rosin glyceride, the nano montmorillonite, the paraffin and the antioxidant;
(2) adding the uniform premixed materials into blending equipment, melting at high temperature, uniformly mixing in a vacuum state, and cooling and granulating.
5. The preparation method of the essence-resistant thermoplastic hot melt adhesive for filter stick lapping according to claim 4, wherein the blending equipment comprises: high-speed kneading machine, open mill, internal mixer, single screw extruder, double screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491486.9A CN111471412B (en) | 2020-06-02 | 2020-06-02 | Hot melt adhesive for covering of essence-resistant thermoplastic filter rod and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491486.9A CN111471412B (en) | 2020-06-02 | 2020-06-02 | Hot melt adhesive for covering of essence-resistant thermoplastic filter rod and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111471412A true CN111471412A (en) | 2020-07-31 |
| CN111471412B CN111471412B (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220080714A1 (en) * | 2020-09-12 | 2022-03-17 | Hangzhou Keneng New Material Technology Co., Ltd. | Composite film used for cable wrapping layer and preparation method for the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5453144A (en) * | 1994-03-04 | 1995-09-26 | National Starch And Chemical Investment Holding Corporation | Method of making biodegradable cigarette filters using water sensitive hot melt adhesives |
| CN1789362A (en) * | 2005-12-28 | 2006-06-21 | 上海应用技术学院 | One-step preparation process of organic-montmorillonite modified ethylene-vinyl acetate hot-melt adhesive |
| CN101838511A (en) * | 2010-03-31 | 2010-09-22 | 鲁泰纺织股份有限公司 | Heat-resistant clothing hot melt adhesive and preparation method thereof |
| CN103980849A (en) * | 2014-06-04 | 2014-08-13 | 福州大学 | EVA (ethylene-vinyl acetate) hot-melt adhesive material and preparation method thereof |
| CN105038653A (en) * | 2015-07-31 | 2015-11-11 | 全椒海丰印刷包装有限公司 | Oil-resistant hot melt glue |
| CN106047288A (en) * | 2016-07-20 | 2016-10-26 | 广东凯林科技股份有限公司 | Forming hot melt adhesive for cigarette filter rod with long storage period and production method thereof |
-
2020
- 2020-06-02 CN CN202010491486.9A patent/CN111471412B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5453144A (en) * | 1994-03-04 | 1995-09-26 | National Starch And Chemical Investment Holding Corporation | Method of making biodegradable cigarette filters using water sensitive hot melt adhesives |
| CN1789362A (en) * | 2005-12-28 | 2006-06-21 | 上海应用技术学院 | One-step preparation process of organic-montmorillonite modified ethylene-vinyl acetate hot-melt adhesive |
| CN101838511A (en) * | 2010-03-31 | 2010-09-22 | 鲁泰纺织股份有限公司 | Heat-resistant clothing hot melt adhesive and preparation method thereof |
| CN103980849A (en) * | 2014-06-04 | 2014-08-13 | 福州大学 | EVA (ethylene-vinyl acetate) hot-melt adhesive material and preparation method thereof |
| CN105038653A (en) * | 2015-07-31 | 2015-11-11 | 全椒海丰印刷包装有限公司 | Oil-resistant hot melt glue |
| CN106047288A (en) * | 2016-07-20 | 2016-10-26 | 广东凯林科技股份有限公司 | Forming hot melt adhesive for cigarette filter rod with long storage period and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220080714A1 (en) * | 2020-09-12 | 2022-03-17 | Hangzhou Keneng New Material Technology Co., Ltd. | Composite film used for cable wrapping layer and preparation method for the same |
| US11623435B2 (en) * | 2020-09-12 | 2023-04-11 | Hangzhou Keneng New Material Technology Co., Ltd. | Composite film used for cable wrapping layer and preparation method for the same |
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| CN111471412B (en) | 2021-08-31 |
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