CN114958272A - Moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding - Google Patents
Moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding Download PDFInfo
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- CN114958272A CN114958272A CN202210695937.XA CN202210695937A CN114958272A CN 114958272 A CN114958272 A CN 114958272A CN 202210695937 A CN202210695937 A CN 202210695937A CN 114958272 A CN114958272 A CN 114958272A
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- aluminum
- hot melt
- melt adhesive
- moisture
- polyurethane hot
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 38
- 239000004814 polyurethane Substances 0.000 title claims abstract description 36
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 35
- 229920003023 plastic Polymers 0.000 title claims abstract description 31
- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 238000013008 moisture curing Methods 0.000 title claims abstract description 22
- 238000013329 compounding Methods 0.000 title claims abstract description 15
- 229920002121 Hydroxyl-terminated polybutadiene Polymers 0.000 claims abstract description 10
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 10
- 239000004417 polycarbonate Substances 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims abstract description 8
- 150000002009 diols Chemical class 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- -1 polypropylene Polymers 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims abstract description 4
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 4
- 239000000539 dimer Substances 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims abstract description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 4
- 229920001155 polypropylene Polymers 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000002739 metals Chemical class 0.000 claims abstract 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000003918 potentiometric titration Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 claims 1
- 239000005062 Polybutadiene Substances 0.000 abstract description 6
- 229920002857 polybutadiene Polymers 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012790 adhesive layer Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 229920005862 polyol Polymers 0.000 abstract description 2
- 150000003077 polyols Chemical class 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 3
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical compound C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002023 wood Substances 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
- C08G18/698—Mixtures with compounds of group C08G18/40
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/757—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the cycloaliphatic ring by means of an aliphatic group
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding, which is prepared from the following raw materials in parts by weight: 20-25 parts of polycarbonate diol, 10-25 parts of dicyclopentadiene, 10-20 parts of hydroxyl-terminated polybutadiene, 4-10 parts of alicyclic diisocyanate, 15-45 parts of filler and 0.1-0.5 part of catalyst. The polycarbonate type and polybutadiene type polyols can regulate and control the body strength and toughness of the cured adhesive layer, are favorable for bonding with PET, polyvinyl chloride and polypropylene substrates, and the polybutadiene soft segment and dicyclopentadiene can effectively improve the bonding effect with low-surface-energy substrates. The adopted dimer acid diisocyanate DDI contains two long aliphatic chains, can promote the compatibility of polybutadiene soft segments in the synthesis stage, can permeate into the surface of a low-surface-energy base material to form an interface layer in the melt sizing stage, realizes the improvement of the bonding performance of the base material, can be used for bonding between aluminum materials and plastics, and can also be used for bonding between metals.
Description
Technical Field
The invention relates to a moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding, belonging to the technical field of polyurethane adhesives.
Background
The traditional moisture curing polyurethane hot melt adhesive (PUR for short) is a polyurethane adhesive containing terminal isocyanic acid radical (-NCO) and is also a reaction type hot melt adhesive. When in use, the glue is applied after being heated and melted, after the glue layer is cooled and physically solidified to generate primary bonding force, the isocyanic acid radical in the glue layer reacts with moisture in the air or an active hydrogen compound on the surface of an adherend to generate chemical crosslinking solidification. Compared with other types of hot melt adhesives, the hot melt adhesive has the advantages of convenience in use, high elasticity, solvent resistance, wear resistance and the like. Therefore, the moisture-curing polyurethane hot melt adhesive is widely applied to the automobile industry, the shoe industry, the textile industry, the wood industry, the electronic industry, the book binding industry and the like. The moisture-curing polyurethane hot melt adhesive is developed in the beginning of the 20 th century and the 80 th century in the United states at first, and the research and development of polyurethane adhesives in China are relatively late, so that the high-end brand of the polyurethane adhesives is still monopolized abroad at present.
At present, the existing moisture-curing polyurethane hot melt adhesive has the problem that the surface of a plastic substrate is easy to debond in the aspect of aluminum-plastic composite bonding, and the problem is caused by relatively low surface energy of PVC (polyvinyl chloride), polyesters and particularly polyolefin resin. In addition, the hot melt adhesive still has the problems of high melt viscosity, short opening time, high cost and the like, needs to be further improved, and the variety of the adhesive is relatively less, so that the variety of products needs to be enriched.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the moisture curing polyurethane hot melt adhesive for aluminum-plastic compounding.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a moisture curing polyurethane hot melt adhesive for aluminum-plastic compounding is prepared from the following raw materials in parts by weight:
20-25 parts of polycarbonate diol;
10-25 parts of dicyclopentadiene;
10-20 parts of hydroxyl-terminated polybutadiene;
4-10 parts of alicyclic diisocyanate;
15-45 parts of a filler;
0.1-0.5 part of catalyst.
The number average molecular weight of the polycarbonate diol is 2000-4000g/mol, the number average molecular weight of the hydroxyl-terminated polybutadiene is 3000-5000g/mol, the alicyclic diisocyanate is dimer acid diisocyanate DDI, and the chemical structural formula is
The filler is one or a mixture of heavy calcium carbonate, nano calcium carbonate and light calcium carbonate.
The catalyst is dibutyltin dilaurate.
The mass fraction of isocyanic acid radical (NCO) in the moisture curing polyurethane hot melt adhesive for aluminum-plastic compounding is 3-6%.
The invention also provides a preparation method of the moisture curing polyurethane hot melt adhesive for aluminum-plastic compounding, which comprises the following steps: putting polycarbonate diol and hydroxyl-terminated polybutadiene into a reaction kettle, mixing, heating to 110 ℃ under the vacuum degree of-0.1 MPa, removing water for 1 hour, cooling to 80 ℃, adding a set amount of alicyclic diisocyanate, adding a catalyst dibutyltin dilaurate, stirring for 1 hour, sequentially adding dicyclopentadiene and a filler, monitoring the NCO content by a potentiometric titration method, stopping the reaction after the NCO content reaches a preset requirement, taking out of the kettle, and packaging to obtain the hot melt adhesive.
The melt viscosity of the moisture-curing polyurethane hot melt adhesive for aluminum-plastic composite at 140 ℃ is 6700-9550mPa & s, which is measured according to Brookfield-ASTM D3236.
The opening time of the moisture curing polyurethane hot melt adhesive for aluminum-plastic composite is less than 5 minutes, and is determined according to HG/T3716-2003.
The initial bonding strength and the shear strength of the moisture-cured polyurethane hot melt adhesive for aluminum-plastic compounding to polypropylene, PET and polyvinyl chloride are respectively greater than 0.55MPa and 3.50MPa, and the initial bonding strength and the shear strength to aluminum alloy are respectively greater than 1.50MPa and 7.0MPa, and the moisture-cured polyurethane hot melt adhesive for aluminum-plastic compounding can be used for bonding between aluminum materials and plastics and bonding between metal and metal according to GB/T7214-2008.
Compared with the prior art, the invention has the beneficial effects that: (1) the polycarbonate type and polybutadiene type polyols are compounded, so that the strength and toughness of the cured adhesive layer can be regulated and controlled, the two can be favorably bonded with PET, polyvinyl chloride and polypropylene substrates, and the bonding effect of the polybutadiene soft segment and dicyclopentadiene with the low-surface-energy substrate can be effectively improved; (2) the adopted dimer acid diisocyanate DDI contains two long fatty chains, can promote the compatibility of polybutadiene soft segments in the synthesis stage, and can permeate into the surface of a low-surface-energy base material to form an interface layer in the melt sizing stage, so that the bonding performance of the three base materials is improved.
Detailed description of the preferred embodiment
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
The following raw materials are used in the experiments of the examples and comparative examples of the present invention, but the present invention is not limited to the following raw materials, and the following raw materials are used as specific examples to further specifically illustrate the effects of the moisture-curable polyurethane hot melt adhesive for aluminum-plastic lamination in the present invention.
Polycarbonate diol: PCDL, designation UH-CARB200, nan tong run-rich petrochemical.
Dicyclopentadiene DCPD, kowadd chemical.
Hydroxyl-terminated polybutadiene: the number average molecular weight of the type I HTPB in the astronomical chemical industry is 4000 g/mol.
Alicyclic diisocyanate: DDI, molecular weight 600g/mol, Riming chemical research design institute.
Aromatic diisocyanate: MDI-100, Tantai Wanhua.
Filling: heavy calcium carbonate and nano calcium carbonate in a weight ratio of 4: 1.
Catalyst: dibutyl tin dilaurate, DBTDL.
Table 1: examples 1-6 and comparative examples 1-3 formulations
Examples 1-6 and comparative examples 1-3 were prepared as follows: according to a set proportion, putting PCDL and I type HTPB into a reaction kettle, heating to 110 ℃ under the vacuum degree of-0.1 MPa to remove water for 1 hour, cooling to 80 ℃, adding DDI or MDI-100 with a set amount, adding a catalyst DBTDL, stirring for 1 hour, putting heavy calcium carbonate, nano calcium carbonate and DCPD with the mass ratio of 4:1, and stopping the reaction until the NCO content in the system reaches a preset requirement.
The finished products prepared in the examples and the comparative examples of the invention are applied with glue at 130 ℃ to prepare samples, and the test method of each performance index is specifically shown in Table 2.
Table 2: test method
| Test items | Unit of | Reference standard |
| Viscosity of the oil | mPa·s | Brookfield-ASTMD3236(140℃) |
| Open time | Minute (min) | HG/T3716-2003 |
| Initial bondingStrength of | MPa | GB/T7124-2008 |
| Shear strength | MPa | GB/T7124-2008 |
Table 3: results of evaluating the Properties of samples of examples 1 to 6 and comparative examples 1 to 3
The polyurethane hot melt adhesives of the embodiments 1-6 of the invention have low viscosity, high initial bonding strength and shear strength to four base materials, short opening time, and suitability for rapid assembly on an assembly line, and the hot melt adhesives of the comparative examples 1-3 have high viscosity and inferior bonding performance to the embodiments.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding is characterized by being prepared from the following raw materials in parts by weight: 20-25 parts of polycarbonate diol, 10-25 parts of dicyclopentadiene, 10-20 parts of hydroxyl-terminated polybutadiene, 4-10 parts of alicyclic diisocyanate, 15-45 parts of filler and 0.1-0.5 part of catalyst.
2. The moisture-curable polyurethane hot melt adhesive for aluminum-plastic composite as claimed in claim 1, wherein the polycarbonate diol has a number average molecular weight of 2000-4000g/mol, the hydroxyl-terminated polybutadiene has a number average molecular weight of 3000-5000g/mol, the alicyclic diisocyanate is dimer acid diisocyanate DDI, and the chemical structural formula is shown in the specification
3. The moisture-curing polyurethane hot melt adhesive for aluminum-plastic composite according to claim 1, wherein the filler is one or more of ground calcium carbonate, nano calcium carbonate and light calcium carbonate.
4. The moisture-curing polyurethane hot melt adhesive for aluminum-plastic composite according to claim 1, wherein the catalyst is dibutyltin dilaurate.
5. The moisture-curing polyurethane hot melt adhesive for aluminum-plastic composite according to claim 1, wherein the mass fraction of isocyanato NCO in the moisture-curing polyurethane hot melt adhesive for aluminum-plastic composite is 3-6%.
6. The moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding of any one of claims 1 to 5, wherein the preparation method of the moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding comprises the following steps:
putting polycarbonate diol and hydroxyl-terminated polybutadiene into a reaction kettle, mixing, heating to 110 ℃ under the vacuum degree of-0.1 MPa to remove water for 1 hour, cooling to 80 ℃, adding a set amount of alicyclic diisocyanate, adding a catalyst, stirring for 1 hour, sequentially adding dicyclopentadiene and a filler, monitoring the NCO content by a potentiometric titration method to meet a preset requirement, stopping reaction, taking out of the kettle, and packaging to obtain the hot melt adhesive.
7. The moisture-curable polyurethane hot melt adhesive for aluminum-plastic composite according to any one of claims 1 to 5, wherein the melt viscosity at 140 ℃ is 6700-9550 mPa-s according to Brookfield-ASTM D3236.
8. The moisture-curable polyurethane hot melt adhesive for aluminum-plastic composite as claimed in any one of claims 1 to 5, wherein the open time of the moisture-curable polyurethane hot melt adhesive for aluminum-plastic composite is less than 5 minutes as determined by HG/T3716-2003.
9. The moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding as claimed in any one of claims 1 to 5, wherein the initial bonding strength and the shear strength to polypropylene, PET and polyvinyl chloride are respectively greater than 0.55MPa and 3.50MPa, and the initial bonding strength and the shear strength to aluminum alloy are respectively greater than 1.50MPa and 7.0MPa, as determined by GB/T7214-2008, and the moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding can be used for bonding between aluminum materials and plastics and bonding between metals and metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695937.XA CN114958272A (en) | 2022-06-20 | 2022-06-20 | Moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695937.XA CN114958272A (en) | 2022-06-20 | 2022-06-20 | Moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding |
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| CN114958272A true CN114958272A (en) | 2022-08-30 |
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| CN202210695937.XA Pending CN114958272A (en) | 2022-06-20 | 2022-06-20 | Moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116144311A (en) * | 2022-12-24 | 2023-05-23 | 烟台德邦科技股份有限公司 | Polyurethane hot melt adhesive and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502640A (en) * | 2002-11-20 | 2004-06-09 | F.C.I.株式会社 | Thermoplastic polyurethane, method and apparatus for producing same |
| JP2020097651A (en) * | 2018-12-17 | 2020-06-25 | Dic株式会社 | Moisture-curable polyurethane hot-melt resin composition, adhesive, and article |
| WO2021159377A1 (en) * | 2020-02-13 | 2021-08-19 | Henkel Ag & Co. Kgaa | Reactive hot melt adhesive composition and use thereof |
| CN114479753A (en) * | 2022-02-21 | 2022-05-13 | 北京高盟新材料股份有限公司 | Single-component moisture curing reaction type power battery tab insulating adhesive and preparation method thereof |
-
2022
- 2022-06-20 CN CN202210695937.XA patent/CN114958272A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502640A (en) * | 2002-11-20 | 2004-06-09 | F.C.I.株式会社 | Thermoplastic polyurethane, method and apparatus for producing same |
| JP2020097651A (en) * | 2018-12-17 | 2020-06-25 | Dic株式会社 | Moisture-curable polyurethane hot-melt resin composition, adhesive, and article |
| WO2021159377A1 (en) * | 2020-02-13 | 2021-08-19 | Henkel Ag & Co. Kgaa | Reactive hot melt adhesive composition and use thereof |
| CN114479753A (en) * | 2022-02-21 | 2022-05-13 | 北京高盟新材料股份有限公司 | Single-component moisture curing reaction type power battery tab insulating adhesive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 化学工业部科学技术情报研究所: "《新型聚氨酯树脂涂料生产技术与应用》", vol. 1, 化学工业部科学技术情报研究所出版, pages: 370 - 371 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116144311A (en) * | 2022-12-24 | 2023-05-23 | 烟台德邦科技股份有限公司 | Polyurethane hot melt adhesive and preparation method thereof |
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Application publication date: 20220830 |