CN113831887A - Floor connection structure adhesive and preparation method thereof - Google Patents
Floor connection structure adhesive and preparation method thereof Download PDFInfo
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- CN113831887A CN113831887A CN202110970382.0A CN202110970382A CN113831887A CN 113831887 A CN113831887 A CN 113831887A CN 202110970382 A CN202110970382 A CN 202110970382A CN 113831887 A CN113831887 A CN 113831887A
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- floor
- accelerator
- coupling agent
- inorganic filler
- structural adhesive
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- 239000000853 adhesive Substances 0.000 title claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 36
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007822 coupling agent Substances 0.000 claims abstract description 33
- 239000011256 inorganic filler Substances 0.000 claims abstract description 33
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 33
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 29
- 229920000570 polyether Polymers 0.000 claims abstract description 29
- 229920003006 Polybutadiene acrylonitrile Polymers 0.000 claims abstract description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 24
- 230000003449 preventive effect Effects 0.000 claims abstract description 24
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 24
- 150000002009 diols Chemical class 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 239000006232 furnace black Substances 0.000 claims description 5
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 3
- 235000019438 castor oil Nutrition 0.000 claims description 3
- 229910021485 fumed silica Inorganic materials 0.000 claims description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- GYVGXEWAOAAJEU-UHFFFAOYSA-N n,n,4-trimethylaniline Chemical compound CN(C)C1=CC=C(C)C=C1 GYVGXEWAOAAJEU-UHFFFAOYSA-N 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer 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
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl 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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
-
- 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
- C08G2170/00—Compositions for adhesives
Abstract
The invention relates to a floor connection structure adhesive, which comprises the following raw materials: MDI, N330, polyether glycol and hydroxyl polybutadiene acrylonitrile, and the floor joint structural adhesive also comprises inorganic filler, thixotropic agent, coupling agent, mildew preventive and accelerator. This floor links up structural adhesive and preparation method thereof, through adding the mould proof agent to its inside at the in-process of preparing structural adhesive, make off-the-shelf structural adhesive mildew resistance stronger, be difficult for receiving the influence of humid environment, and because mould can not breed, also lead to its structure can not destroyed by mould, thereby can also guarantee that structural adhesive self waterproof and structural strength all maintain stably after long-time the use, and through adding hydroxyl polybutadiene acrylonitrile and MDI in the preparation process, then can increase the toughness of structural adhesive, thereby avoid the expend with heat and contract with cold of ground joint department to cause destruction to structural adhesive, through the synergism that utilizes polyether glycol and thixotropic agent, then can further improve its structural strength and toughness.
Description
Technical Field
The invention relates to the technical field of structural adhesives, in particular to a floor connection structural adhesive and a preparation method thereof.
Background
The structural adhesive is an adhesive which has high strength, can bear larger load, is aging-resistant, fatigue-resistant and corrosion-resistant, has stable performance in the expected life, is suitable for bearing strong structural member bonding, has wide application in engineering, and is mainly used for reinforcing, anchoring, bonding, repairing and the like of members.
The floor, i.e. the surface layer of the floor or floor of a house, is made of wood or other materials, and in the process of laying the floor in the house, structural glue is often applied to the joint position in order to ensure the firmness of the floor connection.
Because the environment that the floor is located is abominable, often can receive the influence of water logging, present structure glues and breeds various mould easily under being in the damp and hot environment for a long time, leads to its surface to obviously blacken, influences pleasing to the eye and performance, simultaneously because the floor can receive expend with heat and contract with cold's influence, leads to the structure to glue constantly to bear the pulling force, easily takes place to peel off with the floor after long-time the use, influences the fastness that the floor links up.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a floor connection structural adhesive and a preparation method thereof, which have the advantages of strong structure, environmental protection, water resistance and mildew resistance and solve the problems of poor connection stability and lower water resistance and mildew resistance of the existing structural adhesive.
(II) technical scheme
In order to realize the purposes of strong structure, environmental protection, water resistance and mould resistance, the invention provides the following technical scheme: a floor joining structure adhesive comprises the following raw materials: MDI, N330, polyether glycol and hydroxyl polybutadiene acrylonitrile.
Preferably, the mass ratio of MDI to polyether glycol is 0.8-1.2: 0.5-1.5, wherein the N330 is high wear-resistant furnace black, and the molecular weight of the polyether glycol is 1000.
Preferably, the floor joint structure adhesive also comprises an inorganic filler, a thixotropic agent, a coupling agent, a mildew-proof agent and an accelerator, wherein the mass ratio of the inorganic filler to the thixotropic agent to the hydroxyl polybutadiene acrylonitrile to the coupling agent to the mildew-proof agent to the accelerator is 45-80: 1-3: 4-8: 3-6: 2-4: 2-3.
Preferably, the thixotropic agent is one or a mixture of more of castor oil, fumed silica and organic bentonite, and the coupling agent is a silane coupling agent.
Preferably, the inorganic filler is heavy calcium carbonate, and the accelerator is one or a mixture of cobalt naphthenate, cobalt isooctanoate and N, N-dimethyl-p-toluidine.
A preparation method of floor connecting structure glue comprises the following steps:
1) firstly, sequentially weighing MDI, N330, polyether diol, hydroxyl polybutadiene acrylonitrile, an inorganic filler, a thixotropic agent, a coupling agent, a mildew preventive and an accelerator according to a ratio, then weighing half of the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator according to the ratio by mass, putting the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator into a reaction kettle, then putting the N330, the polyether diol and the hydroxyl polybutadiene acrylonitrile according to the ratio by mass into the reaction kettle, and stirring and mixing the materials by a stirring device arranged on the reaction kettle to obtain a first mixture;
2) adding the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator in the rest mass ratio into another reaction kettle, adding MDI into the reaction kettle, and stirring and mixing the MDI with a stirring device of the reaction kettle to obtain a second mixture;
3) and fully mixing the first mixture and the second mixture to obtain the target product.
Preferably, the stirring time of the step 1) and the step 2) is not less than half an hour, the mixing time of the step 3 is not less than two hours, and the mixture needs to be kept still for a period of time after the stirring is completed.
(III) advantageous effects
Compared with the prior art, the invention provides a floor connection structure adhesive and a preparation method thereof, and the floor connection structure adhesive has the following beneficial effects:
this floor links up structural adhesive and preparation method thereof, through adding the mould proof agent to its inside at the in-process of preparing structural adhesive, make off-the-shelf structural adhesive mildew resistance stronger, be difficult for receiving the influence of humid environment, and because mould can not breed, also lead to its structure can not destroyed by mould, thereby can also guarantee that structural adhesive self waterproof and structural strength all maintain stably after long-time the use, and through adding hydroxyl polybutadiene acrylonitrile and MDI in the preparation process, then can increase the toughness of structural adhesive, thereby avoid the expend with heat and contract with cold of ground joint department to cause destruction to structural adhesive, through the synergism that utilizes polyether glycol and thixotropic agent, then can further improve its structural strength and toughness.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a floor joining structure adhesive comprises the following raw materials: MDI, N330, polyether glycol, hydroxyl polybutadiene acrylonitrile, inorganic filler, thixotropic agent, coupling agent, mildew preventive and accelerator.
The mass ratio of MDI to polyether glycol is 1: 1, N330 is high wear-resistant furnace black, the molecular weight of polyether diol is 1000, and the mass ratio of inorganic filler, thixotropic agent, hydroxyl polybutadiene acrylonitrile, coupling agent, mildew preventive and accelerator is 80: 2: 8: 5: 3: 2.
in this example, the thixotropic agent is organobentonite, the coupling agent is a silane coupling agent, the inorganic filler is ground limestone, and the accelerator is cobalt naphthenate.
A preparation method of floor connecting structure glue comprises the following steps:
1) firstly, MDI, N330, polyether diol, hydroxyl polybutadiene acrylonitrile, an inorganic filler, a thixotropic agent, a coupling agent, a mildew preventive and an accelerator are weighed in sequence according to the mixture ratio, then half of the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator are weighed in the mass ratio and are put into a reaction kettle, then the N330, the polyether diol and the hydroxyl polybutadiene acrylonitrile in the mass ratio are also put into the reaction kettle, and are stirred and mixed by a stirring device of the reaction kettle for not less than half an hour to obtain a first mixture;
2) adding the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator in the rest mass ratio into another reaction kettle, adding MDI into the reaction kettle, and stirring and mixing the MDI through a stirring device of the reaction kettle for not less than half an hour to obtain a second mixture;
3) and fully mixing the first mixture and the second mixture for not less than two hours, and standing for a period of time after stirring is finished to obtain the target product.
Example two: a floor joining structure adhesive comprises the following raw materials: MDI, N330, polyether glycol, hydroxyl polybutadiene acrylonitrile, inorganic filler, thixotropic agent, coupling agent, mildew preventive and accelerator.
The mass ratio of MDI to polyether glycol is 1: 0.5, N330 is high wear-resistant furnace black, the molecular weight of the polyether glycol is 1000, and the mass ratio of the inorganic filler, the thixotropic agent, the hydroxyl polybutadiene acrylonitrile, the coupling agent, the mildew preventive and the accelerator is 70: 3: 8: 6: 4: 3.
in this embodiment, the thixotropic agent is a mixture of organobentonite and fumed silica, the coupling agent is a silane coupling agent, the inorganic filler is ground calcium carbonate, and the accelerator is a mixture of cobalt naphthenate and cobalt isooctanoate.
A preparation method of floor connecting structure glue comprises the following steps:
1) firstly, MDI, N330, polyether diol, hydroxyl polybutadiene acrylonitrile, an inorganic filler, a thixotropic agent, a coupling agent, a mildew preventive and an accelerator are weighed in sequence according to the mixture ratio, then half of the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator are weighed in the mass ratio and are put into a reaction kettle, then the N330, the polyether diol and the hydroxyl polybutadiene acrylonitrile in the mass ratio are also put into the reaction kettle, and are stirred and mixed by a stirring device of the reaction kettle for not less than half an hour to obtain a first mixture;
2) adding the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator in the rest mass ratio into another reaction kettle, adding MDI into the reaction kettle, and stirring and mixing the MDI through a stirring device of the reaction kettle for not less than half an hour to obtain a second mixture;
3) and fully mixing the first mixture and the second mixture for not less than two hours, and standing for a period of time after stirring is finished to obtain the target product.
Example three: a floor joining structure adhesive comprises the following raw materials: MDI, N330, polyether glycol, hydroxyl polybutadiene acrylonitrile, inorganic filler, thixotropic agent, coupling agent, mildew preventive and accelerator.
The mass ratio of MDI to polyether glycol is 1: 1.5, N330 is high wear-resistant furnace black, the molecular weight of polyether glycol is 1000, and the mass ratio of inorganic filler, thixotropic agent, hydroxyl polybutadiene acrylonitrile, coupling agent, mildew preventive and accelerator is 50: 3: 8: 3: 2: 2.
in this embodiment, the thixotropic agent is castor oil, the coupling agent is a silane coupling agent, the inorganic filler is ground calcium carbonate, and the accelerator is a mixture of cobalt isooctanoate and N, N-dimethyl-p-toluidine.
A preparation method of floor connecting structure glue comprises the following steps:
1) firstly, MDI, N330, polyether diol, hydroxyl polybutadiene acrylonitrile, an inorganic filler, a thixotropic agent, a coupling agent, a mildew preventive and an accelerator are weighed in sequence according to the mixture ratio, then half of the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator are weighed in the mass ratio and are put into a reaction kettle, then the N330, the polyether diol and the hydroxyl polybutadiene acrylonitrile in the mass ratio are also put into the reaction kettle, and are stirred and mixed by a stirring device of the reaction kettle for not less than half an hour to obtain a first mixture;
2) adding the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator in the rest mass ratio into another reaction kettle, adding MDI into the reaction kettle, and stirring and mixing the MDI through a stirring device of the reaction kettle for not less than half an hour to obtain a second mixture;
3) and fully mixing the first mixture and the second mixture for not less than two hours, and standing for a period of time after stirring is finished to obtain the target product.
Through the in-process at preparation structure glue to its inside mould inhibitor that adds, make off-the-shelf structure glue mildew resistance stronger, be difficult for receiving humid environment's influence, and because mould can not breed, also lead to its structure can not destroyed by mould, thereby can also guarantee that structure glue is waterproof and structural strength of self after long-time the use all maintains stably, and through add hydroxyl polybutadiene acrylonitrile and MDI in the preparation process, then can increase the toughness of structure glue, thereby avoid the expend with heat and contract with cold of ground joint department to cause destruction to structure glue, through the synergism that utilizes polyether diol and thixotropic agent, then can further improve its structural strength and toughness.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The floor joining structure adhesive is characterized by comprising the following raw materials: MDI, N330, polyether glycol and hydroxyl polybutadiene acrylonitrile.
2. The floor-joining structural adhesive of claim 1, wherein: the mass ratio of MDI to polyether glycol is 0.8-1.2: 0.5-1.5, wherein the N330 is high wear-resistant furnace black, and the molecular weight of the polyether glycol is 1000.
3. The floor-joining structural adhesive of claim 1, wherein: the floor joining structure adhesive also comprises an inorganic filler, a thixotropic agent, a coupling agent, a mildew-proof agent and an accelerator, wherein the mass ratio of the inorganic filler to the thixotropic agent to the hydroxyl polybutadiene acrylonitrile to the coupling agent to the mildew-proof agent to the accelerator is 45-80: 1-3: 4-8: 3-6: 2-4: 2-3.
4. The floor-joining structural adhesive of claim 3, wherein: the thixotropic agent is one or a mixture of more of castor oil, fumed silica and organic bentonite, and the coupling agent is a silane coupling agent.
5. The floor-joining structural adhesive of claim 3, wherein: the inorganic filler is heavy calcium carbonate, and the accelerator is one or a mixture of several of cobalt naphthenate, cobalt isooctanoate and N, N-dimethyl-p-toluidine.
6. The preparation method of the floor connecting structure adhesive is characterized by comprising the following steps of:
1) firstly, sequentially weighing MDI, N330, polyether diol, hydroxyl polybutadiene acrylonitrile, an inorganic filler, a thixotropic agent, a coupling agent, a mildew preventive and an accelerator according to a ratio, then weighing half of the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator according to the ratio by mass, putting the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator into a reaction kettle, then putting the N330, the polyether diol and the hydroxyl polybutadiene acrylonitrile according to the ratio by mass into the reaction kettle, and stirring and mixing the materials by a stirring device arranged on the reaction kettle to obtain a first mixture;
2) adding the inorganic filler, the thixotropic agent, the coupling agent, the mildew preventive and the accelerator in the rest mass ratio into another reaction kettle, adding MDI into the reaction kettle, and stirring and mixing the MDI with a stirring device of the reaction kettle to obtain a second mixture;
3) and fully mixing the first mixture and the second mixture to obtain the target product.
7. The method for preparing floor-joining structural adhesive according to claim 6, wherein the method comprises the following steps: the stirring time of the step 1) and the step 2) is not less than half an hour, the mixing time of the step 3 is not less than two hours, and the mixture needs to be kept still for a period of time after the stirring is finished.
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| CN202110970382.0A CN113831887A (en) | 2021-08-23 | 2021-08-23 | Floor connection structure adhesive and preparation method thereof |
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| CN202110970382.0A CN113831887A (en) | 2021-08-23 | 2021-08-23 | Floor connection structure adhesive and preparation method thereof |
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2021
- 2021-08-23 CN CN202110970382.0A patent/CN113831887A/en active Pending
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| CN1248606A (en) * | 1998-09-21 | 2000-03-29 | 深圳市奥博胶粘剂化工有限公司 | Polyurethane adhesives/sealant composition, precursor and preparation process thereof |
| JP2012207122A (en) * | 2011-03-29 | 2012-10-25 | Yokohama Rubber Co Ltd:The | Adhesive composition |
| CN108219095A (en) * | 2018-01-11 | 2018-06-29 | 山东扬名新材料技术有限公司 | The extension of one pack system height is thick to apply polyurethane elastomer |
| CN110343502A (en) * | 2019-06-13 | 2019-10-18 | 南京威邦新材料有限公司 | A kind of rubber-plastic composite floor board solvent-free polyurethane adhesive and preparation method thereof |
| CN112662368A (en) * | 2020-12-23 | 2021-04-16 | 烟台德邦科技股份有限公司 | High-performance polyurethane hot melt adhesive and preparation method thereof |
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Application publication date: 20211224 |