CN113621319B - Can sealing adhesive tape and preparation method thereof - Google Patents
Can sealing adhesive tape and preparation method thereof Download PDFInfo
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- CN113621319B CN113621319B CN202110644496.6A CN202110644496A CN113621319B CN 113621319 B CN113621319 B CN 113621319B CN 202110644496 A CN202110644496 A CN 202110644496A CN 113621319 B CN113621319 B CN 113621319B
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- styrene
- butadiene
- adhesive
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- block copolymer
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Classifications
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
-
- 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
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- 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
- C08L2207/04—Thermoplastic elastomer
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides an environment-friendly can sealing adhesive tape in a first aspect, and provides a preparation method of the environment-friendly can sealing adhesive tape in a second aspect. The can sealing adhesive tape prepared by the invention is safe and environment-friendly, has no pungent smell when in use, has good initial adhesion performance, and is easy to attach to the surface of a can body.
Description
Technical Field
The invention relates to the field of environment-friendly adhesive tapes, and particularly relates to a can sealing adhesive tape and a preparation method thereof.
Background
The pressure-sensitive adhesive is an adhesive which can be bonded with the surface of an object after pressure is applied, and is widely applied to food packaging, hygienic products and medical products. The hot-melt pressure-sensitive adhesive is an adhesive which takes a thermoplastic high polymer as an adhesive material, is coated in a molten state, and can show excellent adhesive capacity by applying slight pressure after being cooled. The hot-melt pressure-sensitive adhesive has the advantages of easy adhesion, strong adhesion and the like, and is widely applied to the fields of food labels, food packaging, food can sealing and the like. However, most of the common food can sealing tapes on the market are PVC can sealing tapes, the PVC film used in the food can sealing tapes contains chloride ions, which cannot meet the environmental protection requirements, and most of the adhesives used in the food can sealing tapes are solvent-based pressure-sensitive adhesives, which are easy to leave solvent residues when the tapes are peeled off. In order to solve the problems, a can sealing adhesive tape and a preparation method thereof are provided.
Disclosure of Invention
The invention provides a can sealing adhesive tape, which comprises a base material film and an adhesive.
Preferably, the substrate film is a polyolefin film, and the olefin is selected from olefins with 2-8 carbon atoms.
Preferably, the raw materials of the adhesive comprise a thermoplastic elastomer, tackifying resin, a softening agent, a plasticizer and an antioxidant.
Preferably, the thermoplastic elastomer is at least one selected from the group consisting of a styrene-butadiene block copolymer and a styrene-isoprene block copolymer.
Preferably, the styrene-butadiene-based block copolymer is a styrene-butadiene-styrene block copolymer; the styrene-butadiene-styrene block copolymer has a styrene to butadiene ratio of 1:2-5.
Preferably, the tackifying resin is at least one selected from the group consisting of petroleum resins, terpene resins, rosin resins, and aliphatic hydrocarbon resins.
Preferably, the softening agent is at least one selected from paraffin, naphthenic oil and white oil.
Preferably, the plasticizer is at least one selected from dioctyl adipate, dioctyl phthalate, dioctyl maleate, pyrophosphate and fatty alcohol ether phosphate.
The second aspect of the invention provides a preparation method of a can sealing adhesive tape, which comprises the following steps:
(1) Adding the styrene-butadiene segmented copolymer, the antioxidant, the softening agent, the plasticizer and the tackifying resin into a reaction vessel, heating to 150-180 ℃, and uniformly stirring to obtain an adhesive in a molten state;
(2) And coating the adhesive on a base material film, and cooling to obtain the can sealing adhesive tape.
Preferably, the thickness of the adhesive in the can sealing adhesive tape is 1-4 times of that of the base material film.
Compared with the prior art, the invention has the following beneficial effects:
under the combined action of specific raw materials, the can sealing adhesive tape prepared by the invention has a certain curvature, excellent flexibility, elasticity and tensile resistance, good initial adhesive property and easy attachment to the surface of a can body. The can sealing adhesive tape prepared by the invention is safe and environment-friendly, and has no pungent smell when in use.
Detailed Description
The invention provides a can sealing adhesive tape, which comprises a base material film and an adhesive.
Preferably, the substrate film is a polyolefin film, and the olefin is selected from olefins with 2-8 carbon atoms.
Preferably, the olefin is selected from at least one of ethylene, propylene, 1,3-butadiene, 1-butene, cyclopentadiene.
Preferably, the substrate film is a polypropylene film.
Preferably, the raw materials of the adhesive comprise a thermoplastic elastomer, tackifying resin, a softening agent, a plasticizer and an antioxidant.
Preferably, the thermoplastic elastomer is at least one selected from the group consisting of a styrene-butadiene block copolymer and a styrene-isoprene block copolymer.
Preferably, the thermoplastic elastomer is a styrene-butadiene-based block copolymer.
Preferably, the styrene-butadiene-based block copolymer is a styrene-butadiene-styrene block copolymer; the styrene-butadiene-styrene block copolymer has a styrene to butadiene ratio of 1:2-5.
Preferably, the styrene-butadiene-styrene block copolymer is purchased from kraton polymers, model nos. DX415 JS and DX410 JS.
Preferably, the mass ratio of DX415 JS to DX410 JS is 1.8-3:1.
preferably, the tackifying resin is at least one selected from the group consisting of petroleum resins, terpene resins, rosin resins, and aliphatic hydrocarbon resins.
Preferably, the tackifying resin is a terpene resin.
Preferably, the terpene resin has a softening point of 80 to 130 ℃.
Preferably, the terpene resin is available from Guangzhou city, tung chemical Co., ltd, model number T-100.
Preferably, the softening agent is at least one selected from paraffin, naphthenic oil and white oil.
Preferably, the softening agent is paraffin wax.
Preferably, the number of carbon atoms of the paraffin is 25 to 35.
Preferably, the paraffin wax is purchased from Hubei Xingheng Hengchen science and technology Co., ltd, the melting point is 58-60 ℃, and the model is 58#.
Preferably, the plasticizer is at least one selected from the group consisting of dioctyl adipate, dioctyl phthalate, dioctyl maleate, pyrophosphate and fatty alcohol ether phosphate.
Preferably, the plasticizer is dioctyl phthalate.
Preferably, the antioxidant is at least one selected from the group consisting of a phenolic antioxidant, a phosphite antioxidant, and a thiol antioxidant.
Preferably, the antioxidant is a phenolic antioxidant, and more preferably, the phenolic antioxidant is antioxidant 1010.
Preferably, the raw materials of the adhesive comprise, by weight: 30-60 parts of thermoplastic elastomer, 20-45 parts of tackifying resin, 3-8 parts of softening agent, 2-6 parts of plasticizer and 1-3 parts of antioxidant.
In the system, under the combined action of a specific styrene-butadiene-styrene block copolymer and a specific tackifier, the cohesive force among adhesive molecules is increased, and the surface tension of the adhesive and the surface of a polypropylene film is improved through the proportion of the styrene-butadiene-styrene block copolymer of styrene/butadiene in a specific ratio, so that the adhesive tape finally presents a certain curvature. In the system, the specific styrene-butadiene-styrene block copolymer, the specific tackifier and the softening agent interact with each other through mutual entanglement and lap joint of carbon chains, so that the binding capacity and toughness of adhesive molecules are improved, and finally the can sealing adhesive tape has excellent flexibility, elasticity and tensile resistance.
The second aspect of the invention provides a preparation method of a can sealing adhesive tape, which comprises the following steps:
(1) Adding the styrene-butadiene segmented copolymer, the antioxidant, the softening agent, the plasticizer and the tackifying resin into a reaction vessel, heating to 150-180 ℃, and uniformly stirring to obtain an adhesive in a molten state;
(2) And coating the adhesive on a base material film, and cooling to obtain the can sealing adhesive tape.
Preferably, the thickness of the adhesive in the can sealing adhesive tape is 1-4 times of the thickness of the base material film.
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
Example 1
The invention provides a can sealing adhesive tape, which comprises a polypropylene film and an adhesive. The adhesive comprises the following raw materials in parts by weight: 55 parts of styrene-butadiene-styrene block copolymer, 38 parts of terpene resin, 6 parts of paraffin, 3 parts of dioctyl phthalate and 2 parts of antioxidant 1010.
The styrene-butadiene-styrene block copolymer is purchased from American kraton polymer company and comprises two models of DX415 JS and DX410 JS, and the mass ratio of the model DX415 JS to the model DX410 JS is 3:1.
terpene resins were purchased from Guangzhou city, tung chemical Co., ltd under the model number T-100.
The paraffin wax is purchased from Hubei Xingheng Hengshi science and technology Limited company, the melting point is 58-60 ℃, and the model is 58#.
Polypropylene films were purchased from Dahan oil Co., ltd under the designation CF3340.
The second aspect of the invention provides a preparation method of a can sealing adhesive tape, which comprises the following steps:
(1) Adding styrene-butadiene-styrene block copolymer, antioxidant 1010, paraffin, dioctyl phthalate and terpene resin into a reaction container, heating to 180 ℃, and uniformly stirring to obtain an adhesive in a molten state;
(2) And coating the adhesive on a polypropylene film, and cooling to obtain the can sealing adhesive tape with the thickness of 3 times that of the base material film.
Example 2
The invention provides a can sealing adhesive tape, which comprises a polypropylene film and an adhesive. The adhesive comprises the following raw materials in parts by weight: 60 parts of styrene-butadiene-styrene block copolymer, 35 parts of terpene resin, 5 parts of paraffin, 3 parts of dioctyl phthalate and 2 parts of antioxidant 1010.
The styrene-butadiene-styrene block copolymer is purchased from American kraton polymer company and comprises two models DX415 JS and DX410 JS, and the mass ratio of the model DX415 JS to the model DX410 JS is 2.5:1.
styrene-butadiene-styrene block copolymers were purchased from kraton polymers, usa.
Terpene resins were purchased from Guangzhou city, tung chemical Co., ltd, model number T-100.
The paraffin wax is purchased from Hubei Xingheng Hengshi science and technology Limited company, the melting point is 58-60 ℃, and the model is 58#.
Polypropylene films were purchased from Dahan oil Co., ltd under the designation CF3340.
The second aspect of the invention provides a preparation method of a can sealing adhesive tape, which comprises the following steps:
(1) Adding styrene-butadiene-styrene segmented copolymer, antioxidant 1010, paraffin, dioctyl phthalate and terpene resin into a reaction container, heating to 180 ℃, and uniformly stirring to obtain an adhesive in a molten state;
(2) And coating the adhesive on a polypropylene film, and cooling to obtain the can sealing adhesive tape with the thickness of 3 times that of the base material film.
Example 3
The first aspect of the present invention provides a can sealing tape, and the second aspect of the present invention provides a method for preparing a can sealing tape, which is the same as in example 1 except that the mass ratio of DX415 JS to DX410 JS in the styrene-butadiene-styrene block copolymer is 0.5:1.
example 4
The first aspect of the invention provides a can sealing tape, the second aspect of the invention provides a preparation method of the can sealing tape, the specific implementation mode is the same as that of the example 1, except that the addition part by weight of the tackifying resin is 10 parts.
Example 5
The first aspect of the present invention provides a can sealing tape, and the second aspect of the present invention provides a method for preparing a can sealing tape, the specific embodiment is the same as example 1, except that the styrene-butadiene-styrene block copolymer is DX410 JS.
Performance testing
The adhesive tapes prepared in the examples were subjected to initial adhesion property, adhesive ability, and tensile property tests. The data are recorded in table 1.
1. Initial viscosity energy
With reference to GB/T4852-2002, an initial tack performance test is performed.
2. Adhesive capacity
The adhesion test was performed with reference to GB/T4851-2014.
3. Tensile Properties
Tensile property tests were carried out with reference to GB/T30776-2014.
TABLE 1
Finally, it is pointed out that the foregoing examples are illustrative only, serving to explain some of the characteristics of the process according to the invention. The appended claims are intended to claim as broad a scope as can be conceived and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Where the claims recite a range of values, such ranges are intended to include all sub-ranges subsumed therein, and variations within the ranges are intended to be encompassed by the claims as appended hereto where possible.
Claims (3)
1. The can sealing adhesive tape is characterized in that raw materials of the adhesive tape comprise a base material film and an adhesive;
the substrate film is a polyolefin film, and the olefin is selected from olefins with 2-8 carbon atoms;
the adhesive comprises the following raw materials in parts by weight: 30-60 parts of thermoplastic elastomer,
20-45 parts of tackifying resin, 3-8 parts of softening agent, 2-6 parts of plasticizer and 1-3 parts of antioxidant;
the thermoplastic elastomer is a styrene-butadiene block copolymer;
the styrene-butadiene block copolymer is a styrene-butadiene-styrene block copolymer; the styrene-butadiene-styrene block copolymer has a styrene to butadiene ratio of 1:2-5;
the styrene-butadiene-styrene block copolymer is purchased from the United states Keteng Polymer company and has models DX415 JS and DX410 JS; the mass ratio of DX415 JS to DX410 JS is 1.8-3:1;
the tackifying resin is terpene resin; the softening point of the terpene resin is 80-130 ℃;
the softening agent is paraffin;
the plasticizer is dioctyl phthalate.
2. A method for preparing a can sealing tape according to claim 1, comprising the steps of:
(1) Adding the styrene-butadiene segmented copolymer, the antioxidant, the softening agent, the plasticizer and the tackifying resin into a reaction vessel, heating to 150-180 ℃, and uniformly stirring to obtain an adhesive in a molten state;
(2) And coating the adhesive on a base material film, and cooling to obtain the can sealing adhesive tape.
3. The method for producing a can sealing tape according to claim 2, wherein the thickness of the adhesive in the can sealing tape is 1 to 4 times that of the base film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644496.6A CN113621319B (en) | 2021-06-09 | 2021-06-09 | Can sealing adhesive tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644496.6A CN113621319B (en) | 2021-06-09 | 2021-06-09 | Can sealing adhesive tape and preparation method thereof |
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| Publication Number | Publication Date |
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| CN113621319A CN113621319A (en) | 2021-11-09 |
| CN113621319B true CN113621319B (en) | 2023-02-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005162933A (en) * | 2003-12-04 | 2005-06-23 | Sliontec Corp | Chemical-resistant adhesive tape and method for producing the same |
| CN104662112A (en) * | 2012-05-03 | 2015-05-27 | 3M创新有限公司 | Packaging tape |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050013996A1 (en) * | 2002-03-08 | 2005-01-20 | Hatfield Stephen F. | Hot melt pressure sensitive adhesives for disposable articles |
| WO2006115861A1 (en) * | 2005-04-20 | 2006-11-02 | Avery Dennison Corporation | Creep resistant adhesives and tapes made therewith |
| CN104663112A (en) * | 2013-11-28 | 2015-06-03 | 上海尧华科技发展有限公司 | Mower |
| CN107532053A (en) * | 2015-04-23 | 2018-01-02 | 积水富乐株式会社 | Hot melt adhesive and use its disposable products |
| DE102015220065A1 (en) * | 2015-10-15 | 2017-04-20 | Tesa Se | Adhesive, in particular for stripable adhesive strips, and use for bonding to coated woodchip wallpaper |
| CN111019575B (en) * | 2019-12-19 | 2021-12-24 | 浙江金嘉科技有限公司 | High-temperature-resistant high-peeling-resistance hot-melt pressure-sensitive adhesive and preparation method thereof |
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2021
- 2021-06-09 CN CN202110644496.6A patent/CN113621319B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005162933A (en) * | 2003-12-04 | 2005-06-23 | Sliontec Corp | Chemical-resistant adhesive tape and method for producing the same |
| CN104662112A (en) * | 2012-05-03 | 2015-05-27 | 3M创新有限公司 | Packaging tape |
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