CN115820174B - Hot-melt pressure-sensitive adhesive special for destroying adhesive tape and application of adhesive tape - Google Patents
Hot-melt pressure-sensitive adhesive special for destroying adhesive tape and application of adhesive tape Download PDFInfo
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- CN115820174B CN115820174B CN202211264906.5A CN202211264906A CN115820174B CN 115820174 B CN115820174 B CN 115820174B CN 202211264906 A CN202211264906 A CN 202211264906A CN 115820174 B CN115820174 B CN 115820174B
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 44
- 239000012943 hotmelt Substances 0.000 title claims abstract description 40
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 62
- 229920005989 resin Polymers 0.000 claims abstract description 62
- 229920001971 elastomer Polymers 0.000 claims abstract description 34
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 22
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 22
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 17
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000003208 petroleum Substances 0.000 claims description 25
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000013329 compounding Methods 0.000 claims description 5
- 230000001066 destructive effect Effects 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 27
- 229920006465 Styrenic thermoplastic elastomer Polymers 0.000 description 15
- 229920006348 thermoplastic styrenic block copolymer Polymers 0.000 description 14
- 238000003756 stirring Methods 0.000 description 9
- 239000004831 Hot glue Substances 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 3
- 229920001195 polyisoprene Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000010685 fatty oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- OELFLUMRDSZNSF-BRWVUGGUSA-N nateglinide Chemical compound C1C[C@@H](C(C)C)CC[C@@H]1C(=O)N[C@@H](C(O)=O)CC1=CC=CC=C1 OELFLUMRDSZNSF-BRWVUGGUSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000012169 petroleum derived wax Substances 0.000 description 1
- 235000019381 petroleum wax Nutrition 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application relates to the technical field of adhesives, in particular to a hot-melt pressure-sensitive adhesive special for destroying an adhesive tape, which comprises the following raw materials in total weight: 25% -40% of TPS thermoplastic elastomer, 15% -30% of resin with softening point not lower than 100 ℃, 1% -3% of antioxidant, 15% -25% of rosin resin and the balance of rubber oil to 100% of total, and the hot-melt pressure-sensitive adhesive has excellent holding viscosity, initial viscosity, peel strength and low temperature resistance by regulating the relative content of each component and the content of double blocks, so that the prepared breaking adhesive tape can be used for product packaging used in an environment of-10 ℃ to 0 ℃.
Description
Technical Field
The application relates to the technical field of adhesives, in particular to a hot-melt pressure-sensitive adhesive special for destroying an adhesive tape and application of the adhesive tape.
Background
In recent years, with the establishment of network platforms and the rising of electronic commerce, the express industry is rapidly developed; the requirements for packaging materials used in the express industry, such as plastic express bags, kraft paper, buffer inflatable gaskets and the like, are also increasing. At present, the phenomenon that a packaging adhesive tape is partially fallen off and deformed due to factors such as temperature change, strong impact and the like commonly exists in express transportation, so that the risks of opening, article damage or loss of express packaging occur.
The pressure-sensitive adhesive is a commonly used adhesive, for emulsion-type pressure-sensitive adhesives, water is used as a solvent, but drying the water consumes a large amount of heat energy and seriously reduces the construction efficiency, and the emulsifier also causes poor water resistance of the adhesive layer; the hot-melt pressure-sensitive adhesive is coated in a molten state, and can be quickly bonded by applying pressure after cooling and solidifying; however, the initial adhesion and the holding adhesion of the conventional hot-melt pressure-sensitive adhesive are still insufficient to enable the adhesive tape to bond a substrate rapidly and firmly, and the low-temperature resistance of the adhesive tape is very insufficient.
Patent CN 114525094a discloses a hot melt adhesive for bonding high temperature resistant food bags and a preparation method thereof, raw materials comprise rubber, tackifying resin, rubber oil and an antioxidant, the high temperature resistance of the prepared hot melt adhesive is improved by adjusting the components of the hot melt adhesive raw materials, but the bonding strength of the prepared hot melt adhesive is greatly reduced in a low temperature environment by petroleum wax adopted in the technical scheme. Patent CN 103773293a discloses a low temperature coatable styrenic thermoplastic elastomer based hot melt pressure sensitive adhesive, the raw materials comprising linear or star SIS or SBS block polymers, tackifying resins, plasticizers and antioxidants, the hot melt adhesive being low temperature coatable by varying the length and ratio of the short styrene blocks therein to reduce the glass transition temperature of the hot melt adhesive and the processing temperature of the system, but causing poor bond durability of the system.
Disclosure of Invention
In order to solve the technical problems, the application provides a hot-melt pressure-sensitive adhesive special for destroying adhesive tapes, which has excellent holding viscosity, initial viscosity, peel strength and low temperature resistance.
Further, the special hot-melt pressure-sensitive adhesive for destroying the adhesive tape comprises the following raw materials in total weight: 25-40% of TPS thermoplastic elastomer, 15-30% of resin with softening point not lower than 100 ℃, 1-3% of antioxidant, 15-25% of rosin resin and the balance of rubber oil to be 100%.
Further, the TPS thermoplastic elastomer is at least one selected from SBS, SIS, SEBS, SEPS.
Preferably, the TPS thermoplastic elastomer is a combination of SBS and SIS.
Further, the SBS and SIS may be star-shaped structures or linear structures, and the present invention is not limited thereto.
Further, the weight ratio of SBS to SIS in the TPS thermoplastic elastomer is (5-7): 1.
Further, the mass content of the styrene in the SBS is 10% -30%.
Further, the mass content of the styrene in the SBS is 10% -20%.
Preferably, the mass content of styrene in the SBS is 15%; besides physical winding of molecular chains, the polystyrene segment of the SBS and the SIS can form conjugation with polystyrene and polyisoprene in the SIS, so that chemical crosslinking of the polymer and the ethylene-isoprene segmented copolymer is improved, and the bonding strength and bonding durability of a hot-melt pressure-sensitive adhesive system are improved; when the styrene content in SBS is too high, the number of crosslinking points is increased, the activity of molecular chains in a polymer system is greatly reduced, and the cohesion is too strong, so that the prepared hot-melt pressure-sensitive adhesive has hard and brittle texture. The weight percent of styrene in SBS is thus limited to enhance the peel strength of the hot melt pressure sensitive adhesive prepared according to its interaction with the SIS molecular chains of the present application.
Further, the mass content of the diblock in the SIS is 50% -75%, and the content of the diblock is limited so as to balance and improve the elasticity and the bonding strength of the prepared hot-melt pressure-sensitive adhesive.
Further, the SIS is a compounding of 50-60% of SIS with 61-75% of SIS.
Further, the compounded weight ratio of 50-60% of SIS with the mass content of 61-75% of SIS is (0.5-3): 1.
Further, the weight ratio of the SIS with the diblock mass content of 50-60% to the SIS with the diblock mass content of 61-75% is (0.5-1.5): 1.
In a preferred embodiment, when the weight ratio of the SIS with the diblock content of 50% to 60% to the SIS with the diblock content of 61% to 75% is 1:1, the prepared hot-melt pressure-sensitive adhesive has optimal initial adhesion and peeling strength; the reason is that: in SIS, the polystyrene segment is a hard segment, the polyisoprene segment is a soft segment, phase separation exists between the hard segment and the soft segment, wherein the polyisoprene segment forms a continuous phase, the polystyrene segment forms micro-domains which are dispersed in the continuous phase and play a role of molecular chain crosslinking points and reinforcement, when the content of the double blocks is low, the prepared hot-melt pressure-sensitive adhesive has high hardness and high brittleness, the mobility of the molecular chains at low temperature is poor, and the hot-melt pressure-sensitive adhesive has low mobility and cannot be adhered to the surface of a substrate well; when the content of the diblock is too high, the SIS has soft texture, high elasticity and good molecular chain mobility, but the intermolecular and SBS thereof are more in physical crosslinking, the prepared hot-melt pressure-sensitive adhesive has insufficient cohesive strength and reduced adhesive strength, so that the compound mass ratio of the diblock is regulated to balance the elasticity and adhesive strength of the prepared hot-melt pressure-sensitive adhesive at low temperature.
Further, the resin with the softening point not lower than 100 ℃ is petroleum resin.
Further, the softening point of the petroleum resin is 100-140 ℃.
Further, the softening point of the petroleum resin is 100-120 ℃; the softening point of petroleum resin is generally determined by the molecular weight and structure, when the softening point is high, the petroleum resin has large molecular weight and high specific gravity of a ring structure, acting force can be generated with other polymers in a system to increase cohesive strength, and the higher the holding viscosity is, but when the softening point is too high, the melting viscosity of a hot-melt pressure-sensitive adhesive is increased, the wettability to a matrix is also reduced, the petroleum resin is unfavorable for bonding in a low-temperature environment, and when the softening point is too low, the petroleum resin has poor compatibility with the system, and the holding viscosity of a product is reduced.
Further, the petroleum resin is a non-hydrogenated petroleum resin and/or a hydrogenated petroleum resin.
Further, the petroleum resin is a non-hydrogenated petroleum resin.
Further, the non-hydrogenated petroleum resin is selected from one or more of C5 petroleum resin, C9 petroleum resin and C5/C9 petroleum resin.
Further, the weight ratio of the rosin resin to the rubber oil is 1: (0.5-3).
Further, the weight ratio of the rosin resin to the rubber oil is 1: (1-2).
In a preferred embodiment, the weight ratio of the rosin resin to the rubber oil is 1: 2; according to the application, rosin resin and rubber oil are added to balance the processability and bonding strength of the hot-melt pressure-sensitive adhesive; the wettability of the rubber oil to the adhered substrate is good, the initial adhesiveness of the prepared hot-melt pressure-sensitive adhesive can be improved, but when the consumption of the hot-melt pressure-sensitive adhesive is excessive, the cohesive strength of the colloid is reduced, and the adhesive layer is easily damaged; rosin resin is carboxylic acid substance containing unsaturated cyclic structure, and when added, the rosin resin can interact with unsaturated groups in SBS and SIS in the system to regulate and control the decrease of cohesion of rubber oil to the system, but when the addition amount is excessive, the cohesion and peel strength of the hot-melt pressure-sensitive adhesive system are decreased. Therefore, the prepared pressure-sensitive adhesive has good fluidity and bonding strength by controlling the relative addition amount.
Further, the rubber oil is at least one selected from petroleum-based rubber oil, pine-based rubber oil, coal tar-based rubber oil, and fatty oil-based rubber oil.
Further, the rubber oil is at least one selected from petroleum-based rubber oil and fatty-oil-based rubber oil.
Further, the rubber oil is selected from aromatic hydrocarbon oil and/or naphthenic oil.
Further, the antioxidant is selected from hindered phenol antioxidants, thioester antioxidants, and complex antioxidants.
Further, the antioxidant is a hindered phenol antioxidant.
Further, the softening point of the hot-melt pressure-sensitive adhesive is 80-100 ℃.
Further, the destructive adhesive tape prepared by the hot-melt pressure-sensitive adhesive can be used for bonding product packages used in an environment of-10 ℃ to 0 ℃.
The beneficial effects are that:
1. The hot-melt pressure-sensitive adhesive has excellent elasticity, bonding property and low temperature resistance by controlling the relative content of each raw material component and utilizing the synergistic effect of each component in a system, and can be used for preparing a damage adhesive tape used in a low-temperature environment.
2. In the technical scheme of the application, the styrene content in SBS is limited to be 10-20%, SIS is compounded by SIS with the diblock mass content of 50-60% and SIS with the diblock mass content of 61-75%, and the compounding weight ratio is limited to be (0.5-1.5): 1, the application can quickly infiltrate the matrix at low temperature by regulating and controlling the crosslinking degree of the system crosslinking network structure and the activity of the molecular chain, and generates stronger binding force with the matrix, so that the application has excellent initial adhesion, holding adhesion and flexibility.
3. The weight ratio of rosin resin to rubber oil is defined as 1: (1-2), the rubber oil improves the wettability of the adhesive matrix, the rosin resin is coordinated with the rubber oil, the crosslinking effect in the system is further regulated and controlled, and the processability, the adhesive strength and the durability of the hot-melt pressure-sensitive adhesive are balanced.
4. The application limits the softening point of petroleum resin to 100-140 ℃, improves the initial viscosity and the processing performance of the application by regulating the overall viscosity of the system, further improves the compatibility and the low temperature resistance of the system, and avoids the phenomenon of glue overflow.
Detailed Description
Examples
Example 1
The hot-melt pressure-sensitive adhesive special for destroying the adhesive tape comprises the following raw materials in total weight: 35% of TPS thermoplastic elastomer, 18% of resin with softening point not lower than 100 ℃, 2% of antioxidant, 15% of rosin resin and 30% of rubber oil.
The TPS thermoplastic elastomer is a combination of SBS and SIS; the weight ratio of SBS to SIS is 6:1, a step of; the mass content of styrene in the SBS is 15%; the SIS is a compound of SIS (KratonD-1113) with the diblock content of 55% and SIS (KratonG-1726) with the diblock content of 70%, wherein the compound weight ratio of the two is 1:1, a step of; the SBS is purchased from chinese petrochemical baling.
The resin with softening point not lower than 100deg.C is C9 petroleum resin (brand name is GA-115B, taiwan Yuan Kagaku Co., ltd.) with softening point of 115 deg.C.
The rubber oil is naphthenic oil (KN 4010 purchased from Hexent oil Co., suzhou); the rosin resin is purchased from Shandong Haohao New Material Co., ltd, and the model is 138 rosin resin; the antioxidant is antioxidant 1076.
The preparation method of the hot-melt pressure-sensitive adhesive special for damaging the adhesive tape comprises the following steps: adding rubber oil into a stirring kettle, after the temperature rises to 120 ℃, adding TPS thermoplastic elastomer, stirring to a molten state, adding resin with softening point not lower than 100 ℃ and antioxidant, uniformly stirring, and discharging.
Example 2
The hot-melt pressure-sensitive adhesive special for destroying the adhesive tape comprises the following raw materials in total weight: 25% of TPS thermoplastic elastomer, 24% of resin with softening point not lower than 100 ℃, 1% of antioxidant, 25% of rosin resin and 25% of rubber oil.
The TPS thermoplastic elastomer is a combination of SBS and SIS; the weight ratio of SBS to SIS is 7:1, a step of; the mass content of styrene in the SBS is 20%; the SIS is a compound of SIS (KratonD-1113) with the diblock content of 55% and SIS (KratonG-1726) with the diblock content of 70%, and the compound weight ratio of the two is 0.5:1, a step of; the SBS is purchased from chinese petrochemical baling.
The resin with softening point not lower than 100deg.C is C9 petroleum resin (brand name is GA-120, taiwan Yuan good practice Co., ltd.) with softening point of 120deg.C.
The rubber oil is naphthenic oil (KN 4010 purchased from Hexent oil Co., suzhou); the rosin resin is purchased from Shandong Haohao New Material Co., ltd, and the model is 138 rosin resin; the antioxidant is antioxidant 1076.
The preparation method of the hot-melt pressure-sensitive adhesive special for damaging the adhesive tape comprises the following steps: adding rubber oil into a stirring kettle, after the temperature rises to 130 ℃, adding TPS thermoplastic elastomer, stirring to a molten state, adding resin with softening point not lower than 100 ℃ and antioxidant, uniformly stirring, and discharging.
Example 3
The hot-melt pressure-sensitive adhesive special for destroying the adhesive tape comprises the following raw materials in total weight: 38% of TPS thermoplastic elastomer, 27% of resin with softening point not lower than 100 ℃, 3% of antioxidant, 15% of rosin resin and 17% of rubber oil.
The TPS thermoplastic elastomer is a combination of SBS and SIS; the weight ratio of SBS to SIS is 5:1, a step of; the mass content of styrene in the SBS is 10%; the SIS is a compound of SIS (KratonD-1113) with the diblock content of 55% and SIS (KratonD-1119) with the diblock content of 66%, and the compound weight ratio of the two is 1.5:1, a step of; the SBS is purchased from chinese petrochemical baling.
The resin with softening point not lower than 100deg.C is petroleum resin (brand is GA-120, taiwan Yuan Liang Co., ltd.), and the softening point of the petroleum resin is 120deg.C.
The rubber oil is naphthenic oil (KN 4010 purchased from Hexent oil Co., suzhou); the rosin resin is purchased from Shandong Haohao New Material Co., ltd, and the model is 138 rosin resin; the antioxidant is antioxidant 1076.
The preparation method of the hot-melt pressure-sensitive adhesive special for damaging the adhesive tape comprises the following steps: adding rubber oil into a stirring kettle, after the temperature rises to 130 ℃, adding TPS thermoplastic elastomer, stirring to a molten state, adding resin with softening point not lower than 100 ℃ and antioxidant, uniformly stirring, and discharging.
Comparative example 1
Consistent with the examples, the differences are: SIS is the compounding of SIS with the mass content of a diblock of 55% and SIS with the mass content of a diblock of 70%, and the compounding weight ratio of the two is 3:1.
Comparative example 2
Consistent with the examples, the differences are: the mass content of styrene in SBS is 30%.
Comparative example 3
Consistent with the examples, the differences are: the hot-melt pressure-sensitive adhesive comprises the following raw materials in total weight: 35% of TPS thermoplastic elastomer, 18% of resin with softening point not lower than 100 ℃, 2% of antioxidant, 30% of rosin resin and 15% of rubber oil.
The performance test method comprises the following steps:
1. Annular primary adhesion: the test was carried out according to the GB/T31125-2014 adhesive tape initial tack test method (loop method) standard.
Peel strength at 2.180 °: the 180 degree peel test of the pressure sensitive adhesive tape was carried out as specified in GB/T2792-1998.
3. And (3) testing low-temperature adhesive property: glue in each example was applied to a polyethylene plastic express bag at 0 ℃ and sealed, the glue application amount and application area (0.5 cm x 30 cm) in each example were consistent, and after curing at 0 ℃, it was observed whether the base was damaged and the damaged area was observed after tearing.
The test results of the examples are shown in Table 1.
Performance test results:
TABLE 1
Claims (5)
1. The special hot-melt pressure-sensitive adhesive for destroying the adhesive tape is characterized by comprising the following raw materials in total weight: 25-40% of TPS thermoplastic elastomer, 15-30% of resin with softening point not lower than 100 ℃, 1-3% of antioxidant, 15-25% of rosin resin and the balance of rubber oil to 100%;
the TPS thermoplastic elastomer is a combination of SBS and SIS, and the weight ratio of SBS to SIS is (5-7): 1, a step of;
The mass content of styrene in the SBS is 10% -15%;
The SIS is the compounding of 50-60% of SIS with 61-75% of SIS; the compound weight ratio of 50-60% of SIS with the mass content of the diblock to 61-75% of SIS is (0.5-1.5): 1.
2. The hot-melt pressure-sensitive adhesive for destroying adhesive tapes according to claim 1, wherein said resin having a softening point of not lower than 100 ℃ is petroleum resin.
3. The hot-melt pressure-sensitive adhesive special for destroying adhesive tapes according to claim 2, wherein said petroleum resin has a softening point of 100-140 ℃.
4. The special hot-melt pressure-sensitive adhesive for destroying adhesive tapes according to claim 1, wherein the weight ratio of said rosin resin to said rubber oil is 1: (1-2).
5. Use of a destructive tape prepared from a hot melt pressure sensitive adhesive according to any one of claims 1-4 for bonding product packages for use in an environment of-10 ℃ to 0 ℃.
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| CN103788907A (en) * | 2014-01-26 | 2014-05-14 | 张家港康得新光电材料有限公司 | Solvent-free hot-melt pressure-sensitive adhesive, preparation method and aluminum foil adhesive tape prepared from solvent-free hot-melt pressure-sensitive adhesive |
| CN104910841A (en) * | 2015-03-27 | 2015-09-16 | 广东聚胶粘合剂有限公司 | Anti-permeability hot-melt pressure-sensitive adhesive |
| CN105419700A (en) * | 2015-12-28 | 2016-03-23 | 深圳市同德新材料科技有限公司 | Hot-melt pressure-sensitive adhesive used for sealing brown paper/bubble bag and preparation method thereof |
| CN106085309A (en) * | 2016-07-29 | 2016-11-09 | 无锡市万力粘合材料股份有限公司 | Automobile floor leather melt pressure sensitive glue composition and preparation method thereof |
| CN110437778A (en) * | 2019-09-20 | 2019-11-12 | 淄博鲁华泓锦新材料股份有限公司 | Adhesive tape hot-fusible pressure-sensitive adhesive and preparation method thereof |
| CN114525094A (en) * | 2022-01-07 | 2022-05-24 | 广东欣涛新材料科技股份有限公司 | Hot melt adhesive for bonding high-temperature-resistant food bags and preparation method thereof |
| CN114350290A (en) * | 2022-01-10 | 2022-04-15 | 广州鹿山新材料股份有限公司 | Low-temperature-resistant glue and preparation method and application thereof |
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