CN113549420A - Reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and preparation method thereof - Google Patents
Reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and preparation method thereof Download PDFInfo
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- CN113549420A CN113549420A CN202111034306.5A CN202111034306A CN113549420A CN 113549420 A CN113549420 A CN 113549420A CN 202111034306 A CN202111034306 A CN 202111034306A CN 113549420 A CN113549420 A CN 113549420A
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- polyester
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- melt adhesive
- adhesion strength
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 34
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 24
- 239000004814 polyurethane Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920000728 polyester Polymers 0.000 claims abstract description 50
- -1 polypropylene Polymers 0.000 claims abstract description 26
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 20
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 20
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- 239000004743 Polypropylene Substances 0.000 claims abstract description 18
- 229920001155 polypropylene Polymers 0.000 claims abstract description 18
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims abstract description 5
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000001993 wax Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 230000009477 glass transition Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 claims 1
- 238000006757 chemical reactions by type Methods 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004745 nonwoven fabric Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical group OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/06—Polyurethanes from polyesters
-
- 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
Abstract
The invention discloses a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and a preparation method thereof, wherein the reactive polyurethane hot melt adhesive comprises the following components in parts by weight: 30-45 parts of polypropylene wax, 20-30 parts of first polyester, 20-30 parts of second polyester, 5-10 parts of silane coupling agent, 5-10 parts of viscosity regulator and 2-5 parts of antioxidant; the weight ratio of the first polyester to the second polyester is 1:5-2: 3; the weight ratio of the polypropylene wax to the viscosity regulator is 40:7-7: 1; the weight ratio of the polypropylene wax to the antioxidant is 50:3-35: 1; the silane coupling agent is one of gamma-methyl oxypropyl trimethoxysilane, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and gamma-aminopropyl triethoxysilane. The hot melt adhesive obtained by the invention has good compatibility, uniform product, low cost, good initial adhesion strength and environmental protection, and can be widely used in the fields of carton, book binding, non-woven fabric manufacturing and the like.
Description
Technical Field
The invention belongs to the technical field of hot melt adhesives, and particularly relates to a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and a preparation method thereof.
Background
The traditional hot melt adhesive product has the characteristics of no solvent, no toxicity, no pollution, environmental protection requirement conformity and easy transportation and storage, so the traditional hot melt adhesive product becomes a main product in the adhesive industry, and the dosage is more and more increased in recent years. Wherein, the ethylene-vinyl acetate copolymer hot melt adhesive has simple preparation method, good adhesive property and wide application range, and the dosage of the ethylene-vinyl acetate copolymer hot melt adhesive is the first of the hot melt adhesives. However, with the rising of the price of petroleum at present, the selling price of various petroleum-based resins is also rising, which leads to the great rise of the cost of hot melt adhesive products. Therefore, the development of a low-cost hot melt adhesive is an important requirement of the market.
Disclosure of Invention
The invention mainly solves the technical problem of providing the reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and the preparation method thereof, and the reactive polyurethane hot melt adhesive has the advantages of good compatibility, uniform product, low cost, good initial adhesion strength and environmental protection, and can be widely used in the fields of carton, book binding, non-woven fabric manufacturing and the like.
In order to solve the technical problems, the invention adopts a technical scheme that: a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following components in parts by weight: 30-45 parts of polypropylene wax, 20-30 parts of first polyester, 20-30 parts of second polyester, 5-10 parts of silane coupling agent, 5-10 parts of viscosity regulator and 2-5 parts of antioxidant;
the weight ratio of the first polyester to the second polyester is 1:5-2: 3;
the weight ratio of the polypropylene wax to the viscosity regulator is 40:7-7: 1;
the weight ratio of the polypropylene wax to the antioxidant is 50:3-35: 1;
the silane coupling agent is one of gamma-methyl oxypropyl trimethoxysilane, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and gamma-aminopropyl triethoxysilane.
Further, the viscosity of the first polyester is 408Pa × s, and the viscosity of the second polyester is 1865Pa × s.
Further, the glass transition temperature of the first polyester is-20.4 ℃ and the glass transition temperature of the second polyester is 12.5 ℃.
Further, the viscosity regulator is any one of polyethylene wax or paraffin wax.
Further, the antioxidant is any one of tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester or 2, 6-tert-butyl-4-cresol.
A preparation method of a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following steps:
s1, adding polypropylene wax into a three-neck flask, heating to 120-130 ℃, and dehydrating in vacuum for 30-40min under the absolute pressure of less than 100 Pa;
s2, removing vacuum, adding the first polyester and the second polyester while stirring, heating to 130-140 ℃, and simultaneously vacuumizing and dehydrating for 80-90 min;
s3, releasing vacuum, stopping heating, cooling to 90 ℃, adding a silane coupling agent, and carrying out vacuum pumping reaction for 50-60min under the conditions of 100-110 ℃ and the absolute pressure of less than 100Pa to obtain a prepolymer;
s4, releasing the vacuum, adding a viscosity regulator into the product obtained in the step S3, and continuing to react for 50-60min under the conditions that the absolute pressure is less than 100Pa and the reaction temperature is 100-110 ℃;
s5, cooling the product obtained in the step S4 to 90 ℃, adding an antioxidant, and continuing to react for 40-50min at the absolute pressure of less than 100Pa and the reaction temperature of 100-;
s6, adding carbon black, and rapidly stirring for 60-70min at an absolute pressure of less than 100Pa and a reaction temperature of 100 ℃ and 110 ℃;
s7, finally, rapidly discharging at 100 ℃ under the protection of nitrogen, packaging in an aluminum foil bag, and curing the product in an oven at 70-85 ℃ for 4-5h to obtain the target product.
The invention has the beneficial effects that:
1. the hot melt adhesive product produced by the method has the advantages of uniform product phase, stable performance, low production equipment investment and low production cost. Meanwhile, the bonding performance of the product can be adjusted through the relative addition of the polypropylene wax, the first polyester, the second polyester, the silane coupling agent, the viscosity regulator and the antioxidant, and the obtained serialized product can be widely applied to the fields of paper boxes, book binding, non-woven fabric manufacturing and the like;
2. the silane coupling agent is selected from one of gamma-methyl oxypropyl trimethoxysilane, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and gamma-aminopropyl triethoxysilane, so that the stability of the hot melt adhesive can be improved, the viscosity of the hot melt adhesive reaches 300-400mPa.s/120 ℃, the 7d peel strength reaches 302-325N/25mm, and the initial adhesive strength reaches 16-20N/25mm at 3 min.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
Example 1: a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following components in parts by weight: 30 parts of polypropylene wax, 20 parts of first polyester, 20 parts of second polyester, 5 parts of silane coupling agent, 5 parts of viscosity regulator and 2 parts of antioxidant;
the silane coupling agent is gamma-methyl oxy propyl trimethoxy silane.
The viscosity of the first polyester is 408Pa x s, and the viscosity of the second polyester is 1865Pa x s.
The glass transition temperature of the first polyester is-20.4 ℃, and the glass transition temperature of the second polyester is 12.5 ℃.
The viscosity regulator is polyethylene wax.
The antioxidant is 2, 6-tert-butyl-4-cresol.
A preparation method of a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following steps:
s1, adding polypropylene wax into a three-neck flask, heating to 125 ℃, and dehydrating in vacuum for 35min under the absolute pressure of less than 100 Pa;
s2, removing vacuum, adding the first polyester and the second polyester while stirring, heating to 135 ℃, and simultaneously vacuumizing and dehydrating for 85 min;
s3, removing vacuum, stopping heating, cooling to 90 ℃, adding a silane coupling agent, and carrying out vacuum pumping reaction for 55min at 105 ℃ under the absolute pressure of less than 100Pa to obtain a prepolymer;
s4, releasing the vacuum, adding a viscosity regulator into the product obtained in the step S3, and continuously reacting for 55min at the absolute pressure of less than 100Pa and the reaction temperature of 105 ℃;
s5, cooling the product obtained in the step S4 to 90 ℃, adding an antioxidant, and continuing to react for 45min at the absolute pressure of less than 100Pa and the reaction temperature of 105 ℃;
s6, adding carbon black, and rapidly stirring for 65min at the absolute pressure of less than 100Pa and the reaction temperature of 105 ℃;
s7, finally, rapidly discharging at 100 ℃ under the protection of nitrogen, packaging in an aluminum foil bag, and curing the product in an oven at 76 ℃ for 4 hours to obtain the target product.
Example 2: a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following components in parts by weight: 35 parts of polypropylene wax, 25 parts of first polyester, 25 parts of second polyester, 8 parts of silane coupling agent, 7 parts of viscosity regulator and 4 parts of antioxidant;
the silane coupling agent is gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane.
The viscosity of the first polyester is 408Pa x s, and the viscosity of the second polyester is 1865Pa x s.
The glass transition temperature of the first polyester is-20.4 ℃, and the glass transition temperature of the second polyester is 12.5 ℃.
The viscosity regulator is paraffin.
The antioxidant is pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ].
A preparation method of a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following steps:
s1, adding polypropylene wax into a three-neck flask, heating to 120 ℃, and carrying out vacuum dehydration for 30min under the absolute pressure of less than 100 Pa;
s2, removing vacuum, adding the first polyester and the second polyester while stirring, heating to 130 ℃, and simultaneously vacuumizing and dehydrating for 80 min;
s3, removing vacuum, stopping heating, cooling to 90 ℃, adding a silane coupling agent, and carrying out vacuum pumping reaction for 50min under the conditions that the temperature is 100 ℃ and the absolute pressure is less than 100Pa to obtain a prepolymer;
s4, releasing the vacuum, adding a viscosity regulator into the product obtained in the step S3, and continuing to react for 50min at the absolute pressure of less than 100Pa and the reaction temperature of 100 ℃;
s5, cooling the product obtained in the step S4 to 90 ℃, adding an antioxidant, and continuing to react for 40min at the absolute pressure of less than 100Pa and the reaction temperature of 100 ℃;
s6, adding carbon black, and rapidly stirring for 60min at the absolute pressure of less than 100Pa and the reaction temperature of 100 ℃;
s7, finally, rapidly discharging at 100 ℃ under the protection of nitrogen, packaging in an aluminum foil bag, and curing the product in an oven at 70 ℃ for 4h to obtain the target product.
Example 3: a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following components in parts by weight: 45 parts of polypropylene wax, 30 parts of first polyester, 30 parts of second polyester, 10 parts of silane coupling agent, 10 parts of viscosity regulator and 5 parts of antioxidant;
the silane coupling agent is gamma-aminopropyl triethoxysilane.
The viscosity of the first polyester is 408Pa x s, and the viscosity of the second polyester is 1865Pa x s.
The glass transition temperature of the first polyester is-20.4 ℃, and the glass transition temperature of the second polyester is 12.5 ℃.
The viscosity regulator is polyethylene wax.
The antioxidant is 2, 6-tert-butyl-4-cresol.
A preparation method of a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength comprises the following steps:
s1, adding polypropylene wax into a three-neck flask, heating to 130 ℃, and dehydrating in vacuum for 40min under the absolute pressure of less than 100 Pa;
s2, removing vacuum, adding the first polyester and the second polyester while stirring, heating to 140 ℃, and simultaneously vacuumizing and dehydrating for 90 min;
s3, removing vacuum, stopping heating, cooling to 90 ℃, adding a silane coupling agent, and carrying out vacuum pumping reaction for 60min under the conditions that the temperature is 110 ℃ and the absolute pressure is less than 100Pa to obtain a prepolymer;
s4, releasing the vacuum, adding a viscosity regulator into the product obtained in the step S3, and continuing to react for 60min at the absolute pressure of less than 100Pa and the reaction temperature of 110 ℃;
s5, cooling the product obtained in the step S4 to 90 ℃, adding an antioxidant, and continuing to react for 50min at the absolute pressure of less than 100Pa and the reaction temperature of 110 ℃;
s6, adding carbon black, and rapidly stirring for 70min at the absolute pressure of less than 100Pa and the reaction temperature of 110 ℃;
s7, finally, rapidly discharging at 100 ℃ under the protection of nitrogen, packaging in an aluminum foil bag, and curing the product in an oven at 85 ℃ for 5 hours to obtain the target product.
The melt viscosities (mPa. multidot.s, 120 ℃ C.) of the reactive polyurethane hot melts prepared in examples 1-3 and a commercially available polyurethane hot melt (without a silane coupling agent), the open times(s), the 3min initial adhesive strengths (N/25mm), and the 7d peel strengths (N/25mm) were measured, and the results are shown in Table 1.
TABLE 1
As can be seen from the test results in Table 1, the reactive polyurethane hot melt adhesive of the present invention has a lower melt viscosity and a higher initial adhesive strength.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification, or any other related technical fields directly or indirectly, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a reaction type polyurethane hot melt adhesive of super high just glutinous intensity which characterized in that: the paint comprises the following components in parts by weight: 30-45 parts of polypropylene wax, 20-30 parts of first polyester, 20-30 parts of second polyester, 5-10 parts of silane coupling agent, 5-10 parts of viscosity regulator and 2-5 parts of antioxidant;
the weight ratio of the first polyester to the second polyester is 1:5-2: 3;
the weight ratio of the polypropylene wax to the viscosity regulator is 40:7-7: 1;
the weight ratio of the polypropylene wax to the antioxidant is 50:3-35: 1;
the silane coupling agent is one of gamma-methyl oxypropyl trimethoxysilane, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and gamma-aminopropyl triethoxysilane.
2. The reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength as claimed in claim 1, wherein: the viscosity of the first polyester is 408Pa x s, and the viscosity of the second polyester is 1865Pa x s.
3. The reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength as claimed in claim 1, wherein: the glass transition temperature of the first polyester is-20.4 ℃, and the glass transition temperature of the second polyester is 12.5 ℃.
4. The reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength as claimed in claim 1, wherein: the viscosity regulator is any one of polyethylene wax or paraffin wax.
5. The reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength as claimed in claim 1, wherein: the antioxidant is any one of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester or 2, 6-tert-butyl-4-cresol.
6. A preparation method of a reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength is characterized by comprising the following steps: the method comprises the following steps:
s1, adding polypropylene wax into a three-neck flask, heating to 120-130 ℃, and dehydrating in vacuum for 30-40min under the absolute pressure of less than 100 Pa;
s2, removing vacuum, adding the first polyester and the second polyester while stirring, heating to 130-140 ℃, and simultaneously vacuumizing and dehydrating for 80-90 min;
s3, releasing vacuum, stopping heating, cooling to 90 ℃, adding a silane coupling agent, and carrying out vacuum pumping reaction for 50-60min under the conditions of 100-110 ℃ and the absolute pressure of less than 100Pa to obtain a prepolymer;
s4, releasing the vacuum, adding a viscosity regulator into the product obtained in the step S3, and continuing to react for 50-60min under the conditions that the absolute pressure is less than 100Pa and the reaction temperature is 100-110 ℃;
s5, cooling the product obtained in the step S4 to 90 ℃, adding an antioxidant, and continuing to react for 40-50min at the absolute pressure of less than 100Pa and the reaction temperature of 100-;
s6, adding carbon black, and rapidly stirring for 60-70min at an absolute pressure of less than 100Pa and a reaction temperature of 100 ℃ and 110 ℃;
s7, finally, rapidly discharging at 100 ℃ under the protection of nitrogen, packaging in an aluminum foil bag, and curing the product in an oven at 70-85 ℃ for 4-5h to obtain the target product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111034306.5A CN113549420A (en) | 2021-09-03 | 2021-09-03 | Reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111034306.5A CN113549420A (en) | 2021-09-03 | 2021-09-03 | Reactive polyurethane hot melt adhesive with ultrahigh initial adhesion strength and preparation method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58125777A (en) * | 1982-01-22 | 1983-07-26 | Toagosei Chem Ind Co Ltd | Adhesive composition |
| US4477636A (en) * | 1978-02-13 | 1984-10-16 | Soichi Muroi | Hot-melt adhesive and method |
| CN101724369A (en) * | 2009-11-13 | 2010-06-09 | 上海天洋热熔胶有限公司 | Preparation method of high-performance polyester hot melt adhesive |
| CN103173147A (en) * | 2011-12-22 | 2013-06-26 | 财团法人纺织产业综合研究所 | Waterproof adhesive tape |
| CN104109499A (en) * | 2014-06-18 | 2014-10-22 | 昆山天洋热熔胶有限公司 | Preparation method of polyester hot-melt adhesive for barely-adhesive fabrics |
| CN110317563A (en) * | 2019-07-08 | 2019-10-11 | 中国水利水电科学研究院 | A kind of preparation method of complex polyester hot melt adhesive, preparation method and antiscour geotextiles |
| CN112266756A (en) * | 2020-11-03 | 2021-01-26 | 杭州三联油墨化学有限公司 | Hot melt adhesive for radiographic inspection |
| CN112280518A (en) * | 2020-09-18 | 2021-01-29 | 南通天洋新材料有限公司 | Elastic copolyester hot melt adhesive and preparation method thereof |
| CN112980373A (en) * | 2019-12-16 | 2021-06-18 | 上海天洋热熔粘接材料股份有限公司 | Isosorbide copolyester hot melt adhesive and preparation method thereof |
-
2021
- 2021-09-03 CN CN202111034306.5A patent/CN113549420A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477636A (en) * | 1978-02-13 | 1984-10-16 | Soichi Muroi | Hot-melt adhesive and method |
| JPS58125777A (en) * | 1982-01-22 | 1983-07-26 | Toagosei Chem Ind Co Ltd | Adhesive composition |
| CN101724369A (en) * | 2009-11-13 | 2010-06-09 | 上海天洋热熔胶有限公司 | Preparation method of high-performance polyester hot melt adhesive |
| CN103173147A (en) * | 2011-12-22 | 2013-06-26 | 财团法人纺织产业综合研究所 | Waterproof adhesive tape |
| CN104109499A (en) * | 2014-06-18 | 2014-10-22 | 昆山天洋热熔胶有限公司 | Preparation method of polyester hot-melt adhesive for barely-adhesive fabrics |
| CN110317563A (en) * | 2019-07-08 | 2019-10-11 | 中国水利水电科学研究院 | A kind of preparation method of complex polyester hot melt adhesive, preparation method and antiscour geotextiles |
| CN112980373A (en) * | 2019-12-16 | 2021-06-18 | 上海天洋热熔粘接材料股份有限公司 | Isosorbide copolyester hot melt adhesive and preparation method thereof |
| CN112280518A (en) * | 2020-09-18 | 2021-01-29 | 南通天洋新材料有限公司 | Elastic copolyester hot melt adhesive and preparation method thereof |
| CN112266756A (en) * | 2020-11-03 | 2021-01-26 | 杭州三联油墨化学有限公司 | Hot melt adhesive for radiographic inspection |
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Application publication date: 20211026 |