CN113004841A - Special hot-melt pressure-sensitive adhesive for non-asphalt-based pre-laid waterproof coiled material and preparation method thereof - Google Patents
Special hot-melt pressure-sensitive adhesive for non-asphalt-based pre-laid waterproof coiled material and preparation method thereof Download PDFInfo
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 64
- 239000012943 hotmelt Substances 0.000 title claims abstract description 60
- 239000010426 asphalt Substances 0.000 title claims abstract description 27
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
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- 239000000945 filler Substances 0.000 claims abstract description 12
- 125000005456 glyceride group Chemical group 0.000 claims abstract description 12
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 10
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- 238000006243 chemical reaction Methods 0.000 claims description 7
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 7
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 7
- PJAKWOZHTFWTNF-UHFFFAOYSA-N (2-nonylphenyl) prop-2-enoate Chemical class CCCCCCCCCC1=CC=CC=C1OC(=O)C=C PJAKWOZHTFWTNF-UHFFFAOYSA-N 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
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- 150000002596 lactones Chemical class 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- -1 2, 4-dimethylphenyl Chemical group 0.000 claims description 3
- OLFNXLXEGXRUOI-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol Chemical compound C=1C(N2N=C3C=CC=CC3=N2)=C(O)C(C(C)(C)C=2C=CC=CC=2)=CC=1C(C)(C)C1=CC=CC=C1 OLFNXLXEGXRUOI-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052751 metal Inorganic materials 0.000 claims description 3
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- 150000003505 terpenes Chemical class 0.000 claims description 3
- 235000007586 terpenes Nutrition 0.000 claims description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims 1
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Images
Classifications
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a special hot-melt pressure-sensitive adhesive for a non-asphalt-based pre-paved waterproof coiled material and a preparation method thereof, wherein the hot-melt pressure-sensitive adhesive is prepared from the following raw materials in parts by mass: 25-35 parts of thermoplastic elastomer, 5-15 parts of plasticizer, 15-25 parts of tackifier, 10-20 parts of filler, 2-5 parts of antioxidant, 2-5 parts of cross-linking agent, 1-5 parts of ultraviolet absorbent, 10-20 parts of softener and 5-10 parts of cold-resistant agent; wherein, the thermoplastic elastomer comprises but is not limited to at least one of polystyrene-butadiene-styrene and polystyrene-isoprene-styrene, and the plasticizer comprises but is not limited to at least one of unsaturated polyester resin and polyamide resin. Has the advantages that: the stearic acid rosin glyceride is added, so that the use temperature of the hot-melt pressure-sensitive adhesive can be reduced, the cold resistance of the hot-melt pressure-sensitive adhesive is enhanced, and the defect that the installation time of the hot-melt pressure-sensitive adhesive is influenced by air temperature is overcome; the hot-melt pressure-sensitive adhesive has simple production process, does not need to increase special equipment, is convenient for production and coating, and has excellent oxidation resistance.
Description
Technical Field
The invention relates to the technical field of hot-melt pressure-sensitive adhesives, in particular to a special hot-melt pressure-sensitive adhesive for a non-asphalt-based pre-paved waterproof coiled material and a preparation method thereof.
Background
The pressure-sensitive adhesive is a kind of adhesive which is sensitive to pressure, can be adhered to an adherend under slight pressure by finger pressure, does not need to use solvent or other auxiliary means, and is a hot melt adhesive, which is a novel adhesive tape mainly prepared by mixing and heating synthetic rubber, resin, rubber oil and the like into a molten state and then coating the molten state on base materials such as cotton paper, cloth or plastic films and the like. The hot melt pressure sensitive adhesive is mainly used for various sealing boxes, paper product packaging, beverage bottle labels, sealing aluminum foils, flexible packaging and other packaging and environment-friendly paper pallets and the like, is suitable for various materials, is a third generation pressure sensitive adhesive product following solvent type and emulsion type pressure sensitive adhesives, has no solvent compared with the former two products, is more beneficial to environment protection and safe production, has high production efficiency and relatively low production cost, and is vigorously developed in various countries in the world at present.
The hot melt pressure sensitive adhesive mainly comprises six parts of a base material, a plasticizer, a tackifier, a filler, an antioxidant and a thermoplastic elastomer, wherein the base material is a main body component of the pressure sensitive adhesive, the plasticizer is a substance capable of reducing the vitrification temperature and the melting temperature, improving the brittleness and enhancing the melt fluidity, the tackifier is a substance capable of generating high adhesion under certain conditions of temperature, pressure and time through surface diffusion or internal diffusion, the filler is a solid material which does not chemically react with the main body material in the adhesive component but can change the performance of the solid material and reduce the cost, the antioxidant is a compound capable of preventing or inhibiting an oxidation process, and the thermoplastic elastomer has excellent performances of low modulus, small solution viscosity and melt viscosity and the like, has good processing performance and can be rapidly developed.
However, the existing hot-melt pressure-sensitive adhesive still has the defects of poor cold resistance, poor oxidation resistance and the like, so that the installation time of the hot-melt pressure-sensitive adhesive is influenced by weather, the service life of the hot-melt pressure-sensitive adhesive is short, and in addition, the ultraviolet radiation, the heat radiation and the rainwater washing can cause irreversible damage to an adhesive layer of a waterproof roll, so that the application range of the hot-melt pressure-sensitive adhesive is limited.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a special hot-melt pressure-sensitive adhesive for a non-asphalt-based pre-paved waterproof coiled material and a preparation method thereof, so as to overcome the technical problems in the prior related art.
Therefore, the invention adopts the following specific technical scheme:
according to one aspect of the invention, the hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-laid waterproof coiled material is provided, and is prepared from the following raw materials in parts by weight:
25-35 parts of thermoplastic elastomer, 5-15 parts of plasticizer, 15-25 parts of tackifier, 10-20 parts of filler, 2-5 parts of antioxidant, 2-5 parts of cross-linking agent, 1-5 parts of ultraviolet absorbent, 10-20 parts of softener and 5-10 parts of cold-resistant agent;
wherein, the thermoplastic elastomer comprises but is not limited to at least one of polystyrene-butadiene-styrene and polystyrene-isoprene-styrene, and the plasticizer comprises but is not limited to at least one of unsaturated polyester resin and polyamide resin.
Further, the tackifier comprises but is not limited to at least one of terpene resin, petroleum resin, copolymer resin, rosin, hydrogenated rosin, polymerized rosin, rosin glyceride, resin, ancient road resin and modified rosin.
Further, the filler comprises methyltriethoxysilane, vinyltrimethoxysilane, gamma-methacryloxypropyltrimethoxysilane and diluted hydrochloric acid, and the mass specific gravity among the methyltriethoxysilane, the vinyltrimethoxysilane, the gamma-methacryloxypropyltrimethoxysilane and the diluted hydrochloric acid is 1: 1: 1: 1.
further, the softening agent is naphthenic oil, and the naphthenic oil is high-pressure hydrogenated naphthenic oil.
Further, the antioxidant includes, but is not limited to, at least one of antioxidants BHT, 1010, 264.
Further, the crosslinking agent comprises ethoxylated nonylphenol acrylate and hydroxyl-terminated acrylic acid dihedral lactone, and the mass ratio of the ethoxylated nonylphenol acrylate to the hydroxyl-terminated acrylic acid dihedral lactone is 1: 13.
Further, the ultraviolet absorber includes, but is not limited to, at least one of 2- (2H-benzotriazol-2-yl) -4, 6-bis (1-methyl-1-phenylethyl) phenol, 2- [4, 6-bis (2, 4-dimethylphenyl) -1, 2- (2, -hydroxy-5, -methyl) -benzotriazole, 5-bis [1, 1-xylyl ]) -benzotriazole.
Further, the cold-resistant agent is stearic acid rosin glyceride.
According to another aspect of the invention, the preparation method of the special hot-melt pressure-sensitive adhesive for the non-asphalt-based pre-paved waterproof coiled material is also provided, and the preparation method comprises the following steps:
s1, fully drying the thermoplastic elastomer;
s2, sequentially adding an ultraviolet absorbent, a softening agent, a cross-linking agent, an antioxidant and a cold-resistant agent into a reaction kettle according to the proportion, keeping the temperature at 120 ℃ and 150 ℃, and mixing for 30-40 minutes;
s3, adding a thermoplastic elastomer, a plasticizer and a tackifier, setting the rotating speed to be 60-80rpm, sealing the reaction kettle, and vacuumizing until the pressure is 0.08 MPa;
s4, keeping for 30-40min until the thermoplastic elastomer, the plasticizer and the tackifier are completely melted and uniformly stirred, extracting the materials without obvious bubbles, and starting to discharge;
and S5, cooling and packaging after discharging to obtain the finished hot-melt pressure-sensitive adhesive.
Further, a filter screen is adopted for filtering during discharging in the S4 process, and the filter screen is a 150-mesh double-layer metal net.
The invention has the beneficial effects that: the stearic acid rosin glyceride is added, so that the use temperature of the hot-melt pressure-sensitive adhesive can be reduced, the cold resistance of the hot-melt pressure-sensitive adhesive is enhanced, and the defect that the installation time of the hot-melt pressure-sensitive adhesive is influenced by air temperature is overcome; the hot-melt pressure-sensitive adhesive has simple production process, does not need to increase special equipment, has viscosity of 14000mpa.s at 170 ℃, is convenient for production and coating, and has excellent oxidation resistance; the ultraviolet absorbent can absorb ultraviolet rays in a medium-long wave band, so that the radiation intensity of the ultraviolet rays received by the SEPS molecular chain segment in the hot-melt pressure-sensitive adhesive is weakened, and the hot-melt pressure-sensitive adhesive is protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart of a preparation method of a hot melt pressure-sensitive adhesive special for a non-asphalt-based pre-paved waterproof roll according to an embodiment of the invention.
Fig. 2 is a graph showing the relationship between the content of glycerol stearate in the hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll and the use temperature thereof according to the embodiment of the invention.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-paved waterproof coiled material is provided.
The invention will be further described with reference to the accompanying drawings and specific embodiments, and as shown in fig. 1-2, according to the hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll material of the embodiment of the invention, the hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll material is prepared from the following raw materials in parts by mass:
25-35 parts of thermoplastic elastomer, 5-15 parts of plasticizer, 15-25 parts of tackifier, 10-20 parts of filler, 2-5 parts of antioxidant, 2-5 parts of cross-linking agent, 1-5 parts of ultraviolet absorbent, 10-20 parts of softener and 5-10 parts of cold-resistant agent;
wherein, the thermoplastic elastomer comprises but is not limited to at least one of polystyrene-butadiene-styrene and polystyrene-isoprene-styrene, and the plasticizer comprises but is not limited to at least one of unsaturated polyester resin and polyamide resin.
By means of the scheme, the cold-resistant agent is added, so that the use temperature of the hot-melt pressure-sensitive adhesive can be reduced, the cold resistance of the hot-melt pressure-sensitive adhesive is enhanced, and the defect that the installation time of the hot-melt pressure-sensitive adhesive is influenced by air temperature is overcome; the hot-melt pressure-sensitive adhesive has simple production process, does not need to increase special equipment, has viscosity of 14000mpa.s at 170 ℃, is convenient for production and coating, and has excellent oxidation resistance; the ultraviolet absorbent can absorb ultraviolet rays in a medium-long wave band, so that the radiation intensity of the ultraviolet rays received by the SEPS molecular chain segment in the hot-melt pressure-sensitive adhesive is weakened, and the hot-melt pressure-sensitive adhesive is protected.
In one embodiment, the tackifier comprises, but is not limited to, at least one of terpene resins, petroleum resins, copolymer resins, rosins, hydrogenated rosins, polymerized rosins, rosin glycerol esters, resins, coumarone resins, modified rosins.
In addition, the tackifier has good compatibility with polystyrene-butadiene-styrene and polystyrene-isoprene-styrene, and the tackifier has strong adhesion, has a lasting tackifying effect and small change along with time, and does not influence the vulcanization of rubber.
In one embodiment, the filler comprises methyltriethoxysilane, vinyltrimethoxysilane, gamma-methacryloxypropyltrimethoxysilane, dilute hydrochloric acid, and the mass specific gravity between the methyltriethoxysilane, the vinyltrimethoxysilane, the gamma-methacryloxypropyltrimethoxysilane, and the dilute hydrochloric acid is 1: 1: 1: 1.
in one embodiment, the softening agent is a naphthenic oil, and the naphthenic oil is a high pressure hydrogenated naphthenic oil.
Specifically, the naphthenic oil has partial properties of aromatic compounds and linear hydrocarbons, has the characteristics of low pour point, high density, high viscosity, no toxic or side effect and the like, and has high dissolving power, excellent low-temperature performance, excellent compatibility with certain resins and polymers, and good acceleration rate and intersolubility with rubber.
In one embodiment, the antioxidant comprises, but is not limited to, at least one of the antioxidants BHT, 1010, 264.
In one embodiment, the crosslinking agent comprises ethoxylated nonylphenol acrylate and hydroxyl-terminated dihedral acrylate, and the mass ratio of the ethoxylated nonylphenol acrylate to the hydroxyl-terminated dihedral acrylate is 1: 13.
In one embodiment, the ultraviolet absorber includes, but is not limited to, at least one of 2- (2H-benzotriazol-2-yl) -4, 6-bis (1-methyl-1-phenylethyl) phenol, 2- [4, 6-bis (2, 4-dimethylphenyl) -1, 2- (2, -hydroxy-5, -methyl) -benzotriazole, 5-bis [1, 1-xylyl ]) -benzotriazole.
In one embodiment, the cold tolerance agent is glycerol rosin stearate.
Particularly, rosin is an important natural product in China, and a renewable resource is commonly used in the fields of coatings, printing ink, adhesives and the like. But the rosin has carboxyl and conjugated double bonds in the molecule and has certain reactivity. Has great defects in application, such as higher acid value, poor acid resistance and poor alkali resistance. Rosin is often modified to broaden the application of rosin. The traditional rosin ester obtained by modifying polyhydric alcohol has higher softening point and high viscosity.
In addition, the preparation of the stearic acid modified rosin glyceride is synthesized in two steps. The first step is as follows: firstly, weighing a certain amount of rosin, crushing the rosin, putting the crushed rosin into a four-neck flask, and simultaneously adding an antioxidant 300 and a catalyst Z501; then filling nitrogen into the reaction device, heating, dropping glycerol when the temperature reaches 220 ℃, keeping the temperature at 260 ℃ for 6h, and discharging. The second step is that: firstly, crushing the rosin glyceride obtained in the first step, feeding the crushed rosin glyceride and stearic acid into a four-neck flask once, wherein the amount of stearic acid is 22% of the mass of the added rosin glyceride, and discharging after heat preservation at 250 ℃ for 7 hours to obtain the stearic acid modified rosin glyceride.
In order to clearly understand the technical scheme of the invention, the technical scheme of the invention is described in detail through specific examples.
Example one
The hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-laid waterproof coiled material is prepared from the following raw materials in parts by mass:
25 parts of thermoplastic elastomer, 5 parts of plasticizer, 15 parts of tackifier, 10 parts of filler, 2 parts of antioxidant, 2 parts of crosslinking agent, 1 part of ultraviolet absorbent, 10 parts of softener and 5 parts of cold-resistant agent.
Example two
The hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-laid waterproof coiled material is prepared from the following raw materials in parts by mass:
30 parts of thermoplastic elastomer, 10 parts of plasticizer, 20 parts of tackifier, 15 parts of filler, 3 parts of antioxidant, 3 parts of crosslinking agent, 3 parts of ultraviolet absorbent, 15 parts of softener and 8 parts of cold-resistant agent.
EXAMPLE III
The hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-laid waterproof coiled material is prepared from the following raw materials in parts by mass:
35 parts of thermoplastic elastomer, 15 parts of plasticizer, 25 parts of tackifier, 20 parts of filler, 5 parts of antioxidant, 5 parts of crosslinking agent, 5 parts of ultraviolet absorbent, 20 parts of softener and 10 parts of cold-resistant agent.
According to another embodiment of the invention, the preparation method of the special hot-melt pressure-sensitive adhesive for the non-asphalt-based pre-paved waterproof coiled material is also provided, and the preparation method comprises the following steps:
s1, fully drying the thermoplastic elastomer;
s2, sequentially adding an ultraviolet absorbent, a softening agent, a cross-linking agent, an antioxidant and a cold-resistant agent into a reaction kettle according to the proportion, keeping the temperature at 120 ℃ and 150 ℃, and mixing for 30-40 minutes;
s3, adding a thermoplastic elastomer, a plasticizer and a tackifier, setting the rotating speed to be 60-80rpm, sealing the reaction kettle, and vacuumizing until the pressure is 0.08 MPa;
s4, keeping for 30-40min until the thermoplastic elastomer, the plasticizer and the tackifier are completely melted and uniformly stirred, extracting the materials without obvious bubbles, and starting to discharge;
and S5, cooling and packaging after discharging to obtain the finished hot-melt pressure-sensitive adhesive.
In one embodiment, a filter screen is adopted for filtering during discharging in S4, and the filter screen is a 150-mesh double-layer metal mesh.
In conclusion, by means of the technical scheme, the use temperature of the hot-melt pressure-sensitive adhesive can be reduced by adding the stearic acid rosin glyceride, so that the cold resistance of the hot-melt pressure-sensitive adhesive is enhanced, and the defect that the installation time of the hot-melt pressure-sensitive adhesive is influenced by air temperature is overcome; the hot-melt pressure-sensitive adhesive has simple production process, does not need to increase special equipment, has viscosity of 14000mpa.s at 170 ℃, is convenient for production and coating, and has excellent oxidation resistance; the ultraviolet absorbent can absorb ultraviolet rays in a medium-long wave band, so that the radiation intensity of the ultraviolet rays received by the SEPS molecular chain segment in the hot-melt pressure-sensitive adhesive is weakened, and the hot-melt pressure-sensitive adhesive is protected.
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 (10)
1. The hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-laid waterproof coiled material is characterized by being prepared from the following raw materials in parts by weight:
25-35 parts of thermoplastic elastomer, 5-15 parts of plasticizer, 15-25 parts of tackifier, 10-20 parts of filler, 2-5 parts of antioxidant, 2-5 parts of cross-linking agent, 1-5 parts of ultraviolet absorbent, 10-20 parts of softener and 5-10 parts of cold-resistant agent;
wherein, the thermoplastic elastomer comprises but is not limited to at least one of polystyrene-butadiene-styrene and polystyrene-isoprene-styrene, and the plasticizer comprises but is not limited to at least one of unsaturated polyester resin and polyamide resin.
2. The hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof coil according to claim 1, wherein the tackifier comprises at least one of terpene resin, petroleum resin, copolymer resin, rosin, hydrogenated rosin, polymerized rosin, rosin glyceride, resin, ancient road resin and modified rosin.
3. The hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll as claimed in claim 1 or 2, wherein the filler comprises methyl triethoxysilane, vinyl trimethoxysilane, gamma-methacryloxypropyl trimethoxysilane and diluted hydrochloric acid, and the mass specific gravity among the methyl triethoxysilane, the vinyl trimethoxysilane, the gamma-methacryloxypropyl trimethoxysilane and the diluted hydrochloric acid is 1: 1: 1: 1.
4. the special hot-melt pressure-sensitive adhesive for the non-asphalt-based pre-paved waterproof roll according to claim 1, wherein the mass specific gravity among the methyl triethoxysilane, the vinyl trimethoxysilane, the gamma-methacryloxypropyl trimethoxysilane and the dilute hydrochloric acid is 1: 1: 1:1 glue, characterized in that the softening agent is naphthenic oil and the naphthenic oil is high pressure hydrogenated naphthenic oil.
5. The hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof coil according to claim 1, wherein the antioxidant comprises but is not limited to at least one of antioxidant BHT, antioxidant 1010 and antioxidant 264.
6. The hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll as claimed in claim 1, wherein the cross-linking agent comprises ethoxylated nonylphenol acrylate and hydroxyl-terminated acrylic acid dihedral lactone, and the mass ratio of the ethoxylated nonylphenol acrylate to the hydroxyl-terminated acrylic acid dihedral lactone is 1: 13.
7. The hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll as claimed in claim 1, wherein the ultraviolet absorbent comprises at least one of but not limited to 2- (2H-benzotriazole-2-yl) -4, 6-bis (1-methyl-1-phenylethyl) phenol, 2- [4, 6-bis (2, 4-dimethylphenyl) -1, 2- (2, -hydroxy-5, -methyl) -benzotriazole, 5-bis [1, 1-xylyl ]) -benzotriazole.
8. The hot-melt pressure-sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll as claimed in claim 1, wherein the cold-resistant agent is stearic acid rosin glyceride.
9. A preparation method of a special hot-melt pressure-sensitive adhesive for a non-asphalt-based pre-paved waterproof coiled material is used for preparing the special hot-melt pressure-sensitive adhesive for the non-asphalt-based pre-paved waterproof coiled material in any one of claims 1 to 8, and is characterized by comprising the following steps:
s1, fully drying the thermoplastic elastomer;
s2, sequentially adding an ultraviolet absorbent, a softening agent, a cross-linking agent, an antioxidant and a cold-resistant agent into a reaction kettle according to the proportion, keeping the temperature at 120 ℃ and 150 ℃, and mixing for 30-40 minutes;
s3, adding a thermoplastic elastomer, a plasticizer and a tackifier, setting the rotating speed to be 60-80rpm, sealing the reaction kettle, and vacuumizing until the pressure is 0.08 MPa;
s4, keeping for 30-40min until the thermoplastic elastomer, the plasticizer and the tackifier are completely melted and uniformly stirred, extracting the materials without obvious bubbles, and starting to discharge;
and S5, cooling and packaging after discharging to obtain the finished hot-melt pressure-sensitive adhesive.
10. The preparation method of the hot melt pressure sensitive adhesive special for the non-asphalt-based pre-paved waterproof roll according to claim 9, wherein a filter screen is adopted for filtering during discharging in S4, and the filter screen is a 150-mesh double-layer metal mesh.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698900A (en) * | 2021-07-22 | 2021-11-26 | 张秋月 | Reusable pressure-sensitive adhesive and preparation method thereof |
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| CN110713809A (en) * | 2019-09-19 | 2020-01-21 | 宏源防水科技集团有限公司 | High-weather-resistance special hot-melt pressure-sensitive adhesive for non-asphalt-based pre-laid waterproof coiled material and preparation method thereof |
| CN110862791A (en) * | 2019-11-29 | 2020-03-06 | 常州市白鹭电器有限公司 | Pressure-sensitive adhesive of high-function self-adhesive film for refrigerator door body and preparation method thereof |
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| CN105694776A (en) * | 2016-01-29 | 2016-06-22 | 惠州市能辉化工有限公司 | High-polymer waterproof coiled material hot-melt pressure-sensitive adhesive and preparation method thereof |
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Application publication date: 20210622 |