CN115651573B - Hot melt adhesive, preparation method thereof and removable film label prepared from hot melt adhesive - Google Patents
Hot melt adhesive, preparation method thereof and removable film label prepared from hot melt adhesive Download PDFInfo
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- CN115651573B CN115651573B CN202211328985.1A CN202211328985A CN115651573B CN 115651573 B CN115651573 B CN 115651573B CN 202211328985 A CN202211328985 A CN 202211328985A CN 115651573 B CN115651573 B CN 115651573B
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- hot melt
- melt adhesive
- styrene
- maleic anhydride
- film
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 16
- BXOUVIIITJXIKB-UHFFFAOYSA-N ethene;styrene Chemical group C=C.C=CC1=CC=CC=C1 BXOUVIIITJXIKB-UHFFFAOYSA-N 0.000 claims abstract description 16
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 16
- 229920006132 styrene block copolymer Polymers 0.000 claims abstract description 14
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 13
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000004014 plasticizer Substances 0.000 claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical group CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- -1 tackifier Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 8
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a hot melt adhesive, a preparation method thereof and a removable film label prepared from the hot melt adhesive. The hot melt adhesive comprises the following components in percentage by mass: styrene-ethylene/propylene-styrene block copolymer: 20% -30%; polyisobutene: 10% -30%; maleic anhydride graft modified polybutadiene: 15% -25%; tackifier: 20% -50%; and (3) a plasticizer: 3% -15%; anti-aging agent: 0.5 to 1.5 percent. The preparation method of the hot melt adhesive is quite simple, and the hot melt adhesive is prepared by adding all components into a double-screw extruder for mixing and granulating. The removable film label prepared from the hot melt adhesive has the excellent performances of high adhesive strength, no residual adhesive during stripping, no warping at high temperature, safety, environmental protection and the like, and the preparation process of the hot melt adhesive is simple, so that the hot melt adhesive is suitable for large-scale popularization and application.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to a hot melt adhesive, a preparation method thereof and a removable film label prepared from the same.
Background
The tag is widely applied in daily life (for example, the logistics industry needs to use various tags, all parts need to be marked by the tags in the furniture production and assembly processes, all articles for daily use need to be marked by the tags, and the like), and the tag mainly plays roles in product marking, packaging, decoration and the like. Removable film type labels are a relatively common type of label with a relatively wide range of applications. However, the existing removable film labels generally have the problems of low bonding strength, easy occurrence of residual glue (influencing the attractiveness and cleanness of adhered articles) during peeling, easy warping at high temperature and the like, and oily acrylic pressure-sensitive adhesives are mostly adopted, so that the problems of toxicity, high cost, environmental protection, low efficiency, high energy consumption and the like exist, and the actual application requirements are difficult to completely meet.
Therefore, development of the hot melt adhesive which is used for the removable film label and can endow the removable film label with the excellent performances of high adhesive strength, no residual adhesive during stripping, no warping at high temperature, safety, environmental protection and the like has very important significance.
Disclosure of Invention
The invention aims to provide a hot melt adhesive, a preparation method thereof and a removable film label prepared from the hot melt adhesive.
The technical scheme adopted by the invention is as follows:
the hot melt adhesive comprises the following components in percentage by mass:
styrene-ethylene/propylene-styrene block copolymer: 20% -30%;
polyisobutene: 10% -30%;
maleic anhydride graft modified polybutadiene: 15% -25%;
tackifier: 20% -50%;
and (3) a plasticizer: 3% -15%;
anti-aging agent: 0.5 to 1.5 percent.
Preferably, the mass percentage of the styrene units in the styrene-ethylene/propylene-styrene block copolymer is 8% -12%.
Further preferably, the styrene-ethylene/propylene-styrene block copolymer has a styrene unit content of 10% by mass.
Preferably, the melt index of the styrene-ethylene/propylene-styrene block copolymer is 1500g/10 min-2000 g/10min, and the melt index test condition is 190 ℃/2.16kg.
Further preferably, the styrene-ethylene/propylene-styrene block copolymer has a melt index of 2000g/10min and a melt index test condition of 190 ℃/2.16kg.
Preferably, the polyisobutene has a weight average molecular weight of 400000g/mol to 600000g/mol.
Further preferred, the polyisobutene has a weight average molecular weight of 500000g/mol.
Preferably, the mass percentage of the maleic anhydride units in the maleic anhydride graft modified polybutadiene is 6-10%.
Further preferably, the mass percentage of the maleic anhydride units in the maleic anhydride-grafted modified polybutadiene is 8%.
Preferably, the number average molecular weight of the maleic anhydride-grafted modified polybutadiene is 2500g/mol to 3500g/mol.
Further preferably, the number average molecular weight of the maleic anhydride-grafted modified polybutadiene is 3100g/mol.
Preferably, the tackifier is a carbon five petroleum resin.
Preferably, the plasticizer is 2, 4-trimethylpentanediol isobutyl ester.
Preferably, the anti-aging agent is 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol).
The preparation method of the hot melt adhesive comprises the following steps: adding the styrene-ethylene/propylene-styrene segmented copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, tackifier, plasticizer and anti-aging agent into a double screw extruder, and mixing and granulating to obtain the hot melt adhesive.
Preferably, the mixing is carried out at 150-180 ℃ for 60-90 min.
The removable film label comprises a film surface material and an adhesive layer, wherein the adhesive layer comprises the hot melt adhesive.
Preferably, the film surface material is one of PE film and PP film.
The beneficial effects of the invention are as follows: the removable film label prepared from the hot melt adhesive has the excellent performances of high adhesive strength, no residual adhesive during stripping, no warping at high temperature, safety, environmental protection and the like, and the preparation process of the hot melt adhesive is simple, so that the hot melt adhesive is suitable for large-scale popularization and application.
Specifically:
1) The hot melt adhesive does not need to be added with organic solvent and water, the solid content reaches 100%, no extra waste is generated in the production process, and no unpleasant smell is emitted in the use process;
2) The preparation process of the hot melt adhesive is simple, special production equipment is not needed, and the hot melt adhesive is suitable for large-scale popularization and application;
3) The removable film label has the excellent performances of high bonding strength, no residual glue during stripping, no warping at high temperature, safety, environmental protection and the like, and has good application prospect.
Detailed Description
The invention is further illustrated and described below in connection with specific examples.
Example 1:
a hot melt adhesive comprises the following raw materials in parts by weight:
TABLE 1 raw materials composition Table of Hot melt adhesive
The preparation method of the hot melt adhesive comprises the following steps:
adding a styrene-ethylene/propylene-styrene block copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, carbon five petroleum resin, 2, 4-trimethylpentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol) into a double screw extruder, mixing for 60min at 170 ℃, extruding, cooling and granulating to obtain the hot melt adhesive.
The removable film label comprises a film surface material and an adhesive layer, wherein the film surface material is a PE film with the thickness of 45 mu m, and the adhesive layer is the hot melt adhesive with the thickness of 5 mu m.
Example 2:
a hot melt adhesive comprises the following raw materials in parts by weight:
TABLE 2 raw materials composition Table of Hot melt adhesive
The preparation method of the hot melt adhesive comprises the following steps:
adding a styrene-ethylene/propylene-styrene block copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, carbon five petroleum resin, 2, 4-trimethylpentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol) into a double screw extruder, mixing for 60min at 170 ℃, extruding, cooling and granulating to obtain the hot melt adhesive.
The removable film label comprises a film surface material and an adhesive layer, wherein the film surface material is a PE film with the thickness of 45 mu m, and the adhesive layer is the hot melt adhesive with the thickness of 5 mu m.
Example 3:
a hot melt adhesive comprises the following raw materials in parts by weight:
TABLE 3 raw materials composition Table of Hot melt adhesive
The preparation method of the hot melt adhesive comprises the following steps:
adding a styrene-ethylene/propylene-styrene block copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, carbon five petroleum resin, 2, 4-trimethylpentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol) into a double screw extruder, mixing for 60min at 170 ℃, extruding, cooling and granulating to obtain the hot melt adhesive.
The removable film label comprises a film surface material and an adhesive layer, wherein the film surface material is a PE film with the thickness of 45 mu m, and the adhesive layer is the hot melt adhesive with the thickness of 5 mu m.
Example 4:
a hot melt adhesive comprises the following raw materials in parts by weight:
TABLE 4 raw materials composition Table of Hot melt adhesive
The preparation method of the hot melt adhesive comprises the following steps:
adding a styrene-ethylene/propylene-styrene block copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, carbon five petroleum resin, 2, 4-trimethylpentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol) into a double screw extruder, mixing for 60min at 170 ℃, extruding, cooling and granulating to obtain the hot melt adhesive.
The removable film label comprises a film surface material and an adhesive layer, wherein the film surface material is a PE film with the thickness of 45 mu m, and the adhesive layer is the hot melt adhesive with the thickness of 5 mu m.
Example 5:
a hot melt adhesive comprises the following raw materials in parts by weight:
TABLE 5 raw materials composition Table of Hot melt adhesive
The preparation method of the hot melt adhesive comprises the following steps:
adding a styrene-ethylene/propylene-styrene block copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, carbon five petroleum resin, 2, 4-trimethylpentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol) into a double screw extruder, mixing for 60min at 170 ℃, extruding, cooling and granulating to obtain the hot melt adhesive.
The removable film label comprises a film surface material and an adhesive layer, wherein the film surface material is a PE film with the thickness of 45 mu m, and the adhesive layer is the hot melt adhesive with the thickness of 5 mu m.
Performance test:
the removable film-like labels of examples 1-5 were subjected to performance testing with the following table:
TABLE 6 Performance test results for removable film-type labels of examples 1-5
As can be seen from table 6: the removable film label prepared from the hot melt adhesive has the excellent performances of high adhesive strength, no residual adhesive during stripping, no warping at high temperature, safety, environmental protection and the like, and is suitable for large-scale popularization and application.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (4)
1. The hot melt adhesive is characterized by comprising the following components in percentage by mass:
styrene-ethylene/propylene-styrene block copolymer: 20% -30%;
polyisobutene: 10% -30%;
maleic anhydride graft modified polybutadiene: 15% -25%;
tackifier: 20% -50%;
and (3) a plasticizer: 3% -15%;
anti-aging agent: 0.5 to 1.5 percent;
the mass percentage of the styrene units in the styrene-ethylene/propylene-styrene block copolymer is 8% -12%;
the melt index of the styrene-ethylene/propylene-styrene block copolymer is 1500g/10 min-2000 g/10min, and the melt index test condition is 190 ℃/2.16kg;
the weight average molecular weight of the polyisobutene is 400000g/mol to 600000g/mol;
the mass percentage of maleic anhydride units in the maleic anhydride grafted modified polybutadiene is 6% -10%;
the number average molecular weight of the maleic anhydride grafted modified polybutadiene is 2500 g/mol-3500 g/mol;
the tackifier is carbon five petroleum resin;
the plasticizer is 2, 4-trimethyl pentanediol isobutyl ester;
the anti-aging agent is 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol).
2. A method of preparing a hot melt adhesive according to claim 1, comprising the steps of: adding the styrene-ethylene/propylene-styrene segmented copolymer, polyisobutylene, maleic anhydride grafted modified polybutadiene, tackifier, plasticizer and anti-aging agent into a double screw extruder, and mixing and granulating to obtain the hot melt adhesive.
3. A removable film-type label comprising a film-type facestock and an adhesive layer, wherein the adhesive layer comprises the hot melt adhesive of claim 1.
4. A removable film-like label as defined in claim 3, wherein: the film surface material is one of PE film and PP film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211328985.1A CN115651573B (en) | 2022-10-27 | 2022-10-27 | Hot melt adhesive, preparation method thereof and removable film label prepared from hot melt adhesive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211328985.1A CN115651573B (en) | 2022-10-27 | 2022-10-27 | Hot melt adhesive, preparation method thereof and removable film label prepared from hot melt adhesive |
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| Publication Number | Publication Date |
|---|---|
| CN115651573A CN115651573A (en) | 2023-01-31 |
| CN115651573B true CN115651573B (en) | 2023-11-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016204588A (en) * | 2015-04-28 | 2016-12-08 | 東洋インキＳｃホールディングス株式会社 | Hot-melt adhesive and plastic label with hot-melt adhesive |
| CN107603534A (en) * | 2017-09-21 | 2018-01-19 | 杭州汉高新材料科技有限公司 | A kind of polyolefin block copolymer PUR and its manufacture method |
| CN108026423A (en) * | 2015-09-16 | 2018-05-11 | 日东电工株式会社 | Adhesive composition, adhesive phase, the optical film with adhesive phase, optical component and image display device |
| CN114806471A (en) * | 2021-01-19 | 2022-07-29 | 韦尔通(厦门)科技股份有限公司 | Light-curable rubber hot melt adhesive with extremely high thermal stability and preparation method thereof |
| JP7142822B1 (en) * | 2021-11-17 | 2022-09-28 | 東洋インキＳｃホールディングス株式会社 | hot melt adhesive |
-
2022
- 2022-10-27 CN CN202211328985.1A patent/CN115651573B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016204588A (en) * | 2015-04-28 | 2016-12-08 | 東洋インキＳｃホールディングス株式会社 | Hot-melt adhesive and plastic label with hot-melt adhesive |
| CN108026423A (en) * | 2015-09-16 | 2018-05-11 | 日东电工株式会社 | Adhesive composition, adhesive phase, the optical film with adhesive phase, optical component and image display device |
| CN107603534A (en) * | 2017-09-21 | 2018-01-19 | 杭州汉高新材料科技有限公司 | A kind of polyolefin block copolymer PUR and its manufacture method |
| CN114806471A (en) * | 2021-01-19 | 2022-07-29 | 韦尔通(厦门)科技股份有限公司 | Light-curable rubber hot melt adhesive with extremely high thermal stability and preparation method thereof |
| JP7142822B1 (en) * | 2021-11-17 | 2022-09-28 | 東洋インキＳｃホールディングス株式会社 | hot melt adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 机械工业部科学技术司.《机械工业胶接密封技术》.机电工程编辑部,1984,第147-148页. * |
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