CN104877175A - Supramolecular damping agent, and preparation method and application thereof - Google Patents
Supramolecular damping agent, and preparation method and application thereof Download PDFInfo
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- 238000013016 damping Methods 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 36
- 229920001971 elastomer Polymers 0.000 claims abstract description 31
- 238000001338 self-assembly Methods 0.000 claims abstract description 6
- 230000002687 intercalation Effects 0.000 claims abstract description 5
- 238000009830 intercalation Methods 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims description 36
- 239000001257 hydrogen Substances 0.000 claims description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000004642 Polyimide Substances 0.000 claims description 18
- 229920001721 polyimide Polymers 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 12
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 claims description 12
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- AIRPJJGSWHWBKS-UHFFFAOYSA-N hydroxymethylphosphanium;chloride Chemical compound [Cl-].OC[PH3+] AIRPJJGSWHWBKS-UHFFFAOYSA-N 0.000 claims description 8
- 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 claims description 8
- 239000002904 solvent Substances 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 229920013649 Paracril Polymers 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- 238000007098 aminolysis reaction Methods 0.000 claims description 2
- 230000032050 esterification Effects 0.000 claims description 2
- 238000005886 esterification reaction Methods 0.000 claims description 2
- 150000008282 halocarbons Chemical class 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 8
- 229910052901 montmorillonite Inorganic materials 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract 2
- 229920002677 supramolecular polymer Polymers 0.000 abstract 2
- 238000005341 cation exchange Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 239000005864 Sulphur Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000011056 performance test Methods 0.000 description 7
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 235000021355 Stearic acid Nutrition 0.000 description 6
- -1 alkyl quaternary ammonium salts Chemical class 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 6
- 230000003078 antioxidant effect Effects 0.000 description 6
- 229920005556 chlorobutyl Polymers 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 6
- 239000008117 stearic acid Substances 0.000 description 6
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 6
- 230000004580 weight loss Effects 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 229960001701 chloroform Drugs 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 238000002390 rotary evaporation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
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- 150000004760 silicates Polymers 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a supramolecular damping agent, and a preparation method and application thereof. The supramolecular damping agent is prepared by carrying out cation exchange, intercalation and self-assembly on a multiple-hydrogen-bond supramolecular polymer and inorganic nano montmorillonite. The supramolecular damping agent implements synergic actions between the montmorillonite and multiple-hydrogen-bond supramolecular polymer, and has the advantages of excellent mechanical properties, excellent heat resistance and obviously enhanced damping capacity. The test proves that the damping capacity, wear resistance and mechanical properties of the damping rubber material prepared from the supramolecular damping agent are obviously enhanced. Besides, the damping agent also has the advantages of simple preparation technique, favorable repetitiveness and the like, and can easily implement large-scale production.
Description
Technical field
The present invention relates to a kind of damping agent and its preparation method and application, specifically, relate to a kind of supramolecule damping agent and its preparation method and application, belong to damping material technical field.
Background technology
Damping material is the material changing solid mechanical vibrational energy into heat energy and dissipate, and is mainly used in vibration and noise control.The pollution caused noise along with people and harm are more and more paid attention to, and it is also proposed requirements at the higher level to the vibration damping of damping material, anti-acoustic capability thereupon.
Supermolecule polymer (Supermolecule polymer) is the polymkeric substance that monomeric unit is combined into reversible and height-oriented noncovalent interaction, according to the difference of combination, supermolecule polymer can be divided into ligand polymer, pi-pi accumulation polymkeric substance and hydrogen bonded polymkeric substance three class.Due to directivity and the intensity of non covalent bond, this base polymer shows many interesting functions, such as: stimulating responsive and nanostructure self-assembly characteristic.In recent years, supermolecule polymer has become the important research direction in polymer science field, supermolecule polymer not only has the performance of traditional polymer, and due to the dynamic reversible characteristic of supramolecular system, the performance of this base polymer can be regulated and controled by external stimulus, and gives material specific function.Multiple hydrogen bonding in conjunction with supermolecule polymer improving polymer performance, formed in complicated molecule structure, self-assembled nano structures etc. and demonstrate vital role, become the supermolecule polymer that a class is extensively concerned, but so far there are no the application report of such supermolecule polymer in damping material.
Summary of the invention
For the problems referred to above that prior art exists, the object of this invention is to provide a kind of supramolecule damping agent and its preparation method and application, realize the application of supermolecule polymer in damping material.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of supramolecule damping agent is obtained through cationic exchange, intercalation, self-assembly by multiple hydrogen bonding supermolecule polymer and inorganic nano polynite.
As a kind of preferred version, described multiple hydrogen bonding supermolecule polymer is prepared by triple hydrogen bonded by trimeric cyanamide and polyimide quaternary alkylphosphonium salt.
As further preferred version, described multiple hydrogen bonding supermolecule polymer be by trimeric cyanamide and polyimide quaternary alkylphosphonium salt in halogenated hydrocarbon solvent (such as: methylene dichloride, trichloromethane), at 40 ~ 60 DEG C, stirring reaction obtains.
Wherein: the mol ratio of polyimide quaternary alkylphosphonium salt and trimeric cyanamide is preferably 1:(1 ~ 1.2).
As further preferred version, described polyimide quaternary alkylphosphonium salt first carries out aminolysis reaction with ammonia by trimellitic acid 1,2-anhydride, then carries out esterification with Tetrakis hydroxymethyl phosphonium chloride and obtain.
As further preferred version, the preparation of described polyimide quaternary alkylphosphonium salt comprises the steps:
Trimellitic acid 1,2-anhydride is added in organic solvent (such as: sulfur oxychloride), passing under ammonia, in 50 ~ 70 DEG C of stirring reactions 4 ~ 6 hours; Then add Tetrakis hydroxymethyl phosphonium chloride, react 4 ~ 6 hours at 120 ~ 140 DEG C.
Wherein: the mol ratio of trimellitic acid 1,2-anhydride and ammonia is preferably 1:(1 ~ 1.5); The mol ratio of trimellitic acid 1,2-anhydride and Tetrakis hydroxymethyl phosphonium chloride is 1:(3.5 ~ 4).
The preparation method of supramolecule damping agent of the present invention, comprises the steps: inorganic nano polynite and multiple hydrogen bonding supermolecule polymer stirring reaction 4 ~ 6 hours in aqueous ethanolic solution, at 60 ~ 70 DEG C.
As a kind of preferred version, the polynite of 100g inorganic nano adds 0.08 ~ 0.1mol multiple hydrogen bonding supermolecule polymer.
The volume fraction of described aqueous ethanolic solution is 10% ~ 90%, is preferably 30% ~ 70%.
Apply a damping rubber material prepared by supramolecule damping agent of the present invention, it is characterized in that: in the rubber matrix of 100 mass parts, be added with 5 ~ 20 mass parts supramolecule damping agent of the present invention.
As a kind of preferred version, composition and the proportioning of described damping rubber material are as follows:
Described rubber matrix is preferably at least one in chloroprene rubber, terpolymer EP rubber and paracril.
Described vulcanizing agent is preferably sulphur.
Prepare a method for described damping rubber material, be that each moiety of proportional quantity is added in mill, carry out mixing at 40 ~ 60 DEG C.
The polynite that the present invention uses can adopt business-like inorganic nano polynite product, the inorganic nano polynite product of the SMP trade mark that such as Zhejiang Feng Hong clay company limited produces.
Compared with prior art, the present invention has following significance progress:
Because supramolecule damping agent of the present invention is by making multiple hydrogen bonding supermolecule polymer and inorganic nano polynite obtain through cationic exchange, intercalation, self-assembly, synergistic function can be formed between polynite and multiple hydrogen bonding supermolecule polymer, not only can improve mechanical property and the resistance toheat of material, and because of the existence of a large amount of hydrogen bond, the damping capacity of material can be made to be significantly improved; After tested, apply damping rubber material prepared by supramolecule damping agent of the present invention and there is excellent damping capacity, wear resisting property and mechanical property, there is wide application prospect.In addition, it is simple that damping agent of the present invention also has preparation technology, reproducible, is easy to realize the advantages such as mass-producing.
Embodiment
Below in conjunction with embodiment and comparative example, technical solution of the present invention is described in further detail and completely.
Transmission electron microscope method is adopted to observe the size of supramolecule damping agent.
Adopt the thermogravimetry of " nano composite polymer/laminated silicate material theory and practice " (QiZongNeng, Shang Wenyu writes Chemical Industry Press, 2002), the thermal weight loss core temperature of test supramolecule damping agent.
The damping energy of the DMA-242 type dynamic mechanical analysis testing rubber adopting German Nai Chi company to produce.
Adopt tensile property and the wear hardness of GB 528-83 and GB/T1689-1998 testing rubber.
Embodiment 1
One, the preparation of polyimide quaternary alkylphosphonium salt: 7.5g trimellitic acid 1,2-anhydride (CAS#552-30-7) is joined in the there-necked flask of the sealing that 50mL sulfur oxychloride is housed, then in there-necked flask, 0.75L ammonia is passed into, then insulated and stirred reaction 5h at 50 DEG C, then in there-necked flask, 6.5mL Tetrakis hydroxymethyl phosphonium chloride (CAS#124-64-1) is added, be warmed up to 120 DEG C, insulated and stirred reaction 5h again, terminate reaction, rotary evaporation is except desolventizing, and the faint yellow material obtained is polyimide quaternary alkylphosphonium salt.
Two, the preparation of multiple hydrogen bonding supermolecule polymer: join in 50mL trichloromethane by 4g trimeric cyanamide (CAS#108-78-1) and obtained polyimide quaternary alkylphosphonium salt, stirs and makes to mix, then insulation reaction 3h at 50 DEG C; Except desolventizing, crystallisation by cooling, and rinse product 3 times with acetone solvent, dry, namely obtain described multiple hydrogen bonding supermolecule polymer.
Three, the preparation of supramolecule damping agent: join in 100mL aqueous ethanolic solution by the polynite of 30g inorganic nano and obtained multiple hydrogen bonding supermolecule polymer, stirs and makes to mix, then insulation reaction 5h at 65 DEG C; Terminate reaction, collected by suction solid, dry, namely obtain described supramolecule damping agent.
Be shown in Table 1 about the median size of gained supramolecule damping agent and the test data of thermal weight loss temperature.
Application examples 1
The supramolecule damping agent that 100g chlorinated butyl rubber, 3g sulphur, 1.5g captax, 0.3g Vulcanization accelerator TMTD, 0.8g stearic acid, 4.8g zinc oxide, 1g antioxidant D and this example of 10g is obtained adds in mill, carry out mixing at 40 DEG C, namely obtain damping rubber material of the present invention.
Performance test data about prepared damping rubber material is shown in Table 2.
Comparative example 1
100g chlorinated butyl rubber, 3g sulphur, 1.5g captax, 0.3g Vulcanization accelerator TMTD, 0.8g stearic acid, 4.8g zinc oxide, 1g antioxidant D are added in mill, carries out mixing at 40 DEG C, obtain contrast damping rubber material.
Performance test data about prepared contrast damping rubber material is also shown in Table 2.
Embodiment 2
One, the preparation of polyimide quaternary alkylphosphonium salt: 9g trimellitic acid 1,2-anhydride (CAS#552-30-7) is joined in the there-necked flask of the sealing that 50mL sulfur oxychloride is housed, then in there-necked flask, 0.9L ammonia is passed into, then insulated and stirred reaction 5h at 60 DEG C, then in there-necked flask, 7.5mL Tetrakis hydroxymethyl phosphonium chloride (CAS#124-64-1) is added, be warmed up to 130 DEG C, insulated and stirred reaction 5h again, terminate reaction, rotary evaporation is except desolventizing, and the faint yellow material obtained is polyimide quaternary alkylphosphonium salt.
Two, the preparation of multiple hydrogen bonding supermolecule polymer: join in 50mL trichloromethane by 6g trimeric cyanamide (CAS#108-78-1) and obtained polyimide quaternary alkylphosphonium salt, stirs and makes to mix, then insulation reaction 3h at 50 DEG C; Except desolventizing, crystallisation by cooling, and rinse product 3 times with acetone solvent, dry, namely obtain described multiple hydrogen bonding supermolecule polymer.
Three, the preparation of supramolecule damping agent: join in 100mL aqueous ethanolic solution by the polynite of 40g inorganic nano and obtained multiple hydrogen bonding supermolecule polymer, stirs and makes to mix, then insulation reaction 5h at 65 DEG C; Terminate reaction, collected by suction solid, dry, namely obtain described supramolecule damping agent.
Be shown in Table 1 about the median size of gained supramolecule damping agent and the test data of thermal weight loss temperature.
Application examples 2
The supramolecule damping agent that 100g chlorinated butyl rubber, 3g sulphur, 1.5g captax, 0.3g Vulcanization accelerator TMTD, 0.8g stearic acid, 4.8g zinc oxide, 1g antioxidant D and this example of 15g is obtained adds in mill, carry out mixing at 40 DEG C, namely obtain damping rubber material of the present invention.
Performance test data about prepared damping rubber material is shown in Table 2.
Comparative example 2
60mL quaternary ammonium salt (alkyl quaternary ammonium salts such as cetyl trimethylammonium bromide, dodecyl dimethyl benzyl ammonium chloride can) and the polynite of 40g inorganic nano react 2h at 60 ~ 70 DEG C, obtained modified organo montmorillonite.
100g chlorinated butyl rubber, 3g sulphur, 1.5g captax, 0.3g Vulcanization accelerator TMTD, 0.8g stearic acid, 4.8g zinc oxide, 1g antioxidant D and the above-mentioned modified organo montmorillonite of 15g are added in mill, carry out mixing at 40 DEG C, obtain contrast damping rubber material.
Performance test data about prepared contrast damping rubber material is also shown in Table 2.
Embodiment 3
One, the preparation of polyimide quaternary alkylphosphonium salt: 10g trimellitic acid 1,2-anhydride (CAS#552-30-7) is joined in the there-necked flask of the sealing that 50mL sulfur oxychloride is housed, then in there-necked flask, 1.0L ammonia is passed into, then insulated and stirred reaction 5h at 70 DEG C, then in there-necked flask, 9.0mL Tetrakis hydroxymethyl phosphonium chloride (CAS#124-64-1) is added, be warmed up to 140 DEG C, insulated and stirred reaction 5h again, terminate reaction, rotary evaporation is except desolventizing, and the faint yellow material obtained is polyimide quaternary alkylphosphonium salt.
Two, the preparation of multiple hydrogen bonding supermolecule polymer: join in 50mL trichloromethane by 8g trimeric cyanamide (CAS#108-78-1) and obtained polyimide quaternary alkylphosphonium salt, stirs and makes to mix, then insulation reaction 3h at 50 DEG C; Except desolventizing, crystallisation by cooling, and rinse product 3 times with acetone solvent, dry, namely obtain described multiple hydrogen bonding supermolecule polymer.
Three, the preparation of supramolecule damping agent: join in 100mL aqueous ethanolic solution by the polynite of 50g inorganic nano and obtained multiple hydrogen bonding supermolecule polymer, stirs and makes to mix, then insulation reaction 5h at 65 DEG C; Terminate reaction, collected by suction solid, dry, namely obtain described supramolecule damping agent.
Be shown in Table 1 about the median size of gained supramolecule damping agent and the test data of thermal weight loss temperature.
Application examples 3
The supramolecule damping agent that 100g chlorinated butyl rubber, 3g sulphur, 1.5g captax, 0.3g Vulcanization accelerator TMTD, 0.8g stearic acid, 4.8g zinc oxide, 1g antioxidant D and this example of 20g is obtained adds in mill, carry out mixing at 40 DEG C, namely obtain damping rubber material of the present invention.
Performance test data about prepared damping rubber material is shown in Table 2.
Comparative example 3
60mL quaternary ammonium salt (alkyl quaternary ammonium salts such as cetyl trimethylammonium bromide, dodecyl dimethyl benzyl ammonium chloride can) and the polynite of 60g inorganic nano react 3h at 60 ~ 70 DEG C, obtained modified organo montmorillonite.
100g chlorinated butyl rubber, 3g sulphur, 1.5g captax, 0.3g Vulcanization accelerator TMTD, 0.8g stearic acid, 4.8g zinc oxide, 1g antioxidant D and the above-mentioned modified organo montmorillonite of 20g are added in mill, carry out mixing at 40 DEG C, obtain contrast damping rubber material.
Performance test data about prepared contrast damping rubber material is also shown in Table 2.
The median size of table 1 supramolecule damping agent and thermal weight loss temperature
| Sample | Median size/nm | Thermal weight loss core temperature/DEG C |
| Embodiment 1 | 30～40 | 250～300 |
| Embodiment 2 | 40～55 | 300～350 |
| Embodiment 3 | 55～70 | 350～400 |
From table 1: supramolecule damping agent of the present invention is nano material, has very high thermostability.
The performance test data of table 2 damping rubber material
| Sample | tanδ | Tensile strength/MPa | Elongation at break/% | Wear volume/cm3 |
| Application examples 1 | 1.2 | 7.0 | 800 | 0.12 |
| Comparative example 1 | 0.8 | 5.8 | 650 | 0.16 |
| Application examples 2 | 1.4 | 7.4 | 840 | 0.09 |
| Comparative example 2 | 1.0 | 6.0 | 700 | 0.14 |
| Application examples 3 | 1.6 | 7.8 | 900 | 0.07 |
| Comparative example 3 | 1.2 | 6.2 | 750 | 0.12 |
From table 2: damping rubber material provided by the invention has excellent damping capacity, mechanical property and wear resisting property.
In sum: the supramolecule damping agent that the present invention is prepared through cationic exchange, intercalation, self-assembly by making multiple hydrogen bonding supermolecule polymer and inorganic nano polynite, there is the synergy of polynite and multiple hydrogen bonding supermolecule polymer, not only there is good mechanical property and resistance toheat, and there is excellent damping capacity.Can be found by the test result of the application examples in table 2 and comparative example: the elastomeric material adding supramolecule damping agent of the present invention is not than adding polynite and only adding the elastomeric material of polynite (this modified montmorillonoid do not carry out with supramolecular materials further combined with) of modification, and its various aspects of performance is all significantly increased; Along with the increase of supramolecule damping agent usage quantity of the present invention, damping and amortization and the mechanical property of obtained elastomeric material improve all thereupon.
Finally need described herein: the chloroprene rubber in application examples of the present invention can replace with terpolymer EP rubber or paracril.In above-described embodiment, the volume fraction of described aqueous ethanolic solution can be 10% ~ 90%, is preferably 40% ~ 70%.
In a word; above embodiment is only for being described in more detail technical scheme of the present invention; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.
Claims (10)
1. a supramolecule damping agent, is characterized in that: be obtained through cationic exchange, intercalation, self-assembly by multiple hydrogen bonding supermolecule polymer and inorganic nano polynite.
2. supramolecule damping agent according to claim 1, is characterized in that: described multiple hydrogen bonding supermolecule polymer is prepared by triple hydrogen bonded by trimeric cyanamide and polyimide quaternary alkylphosphonium salt.
3. supramolecule damping agent according to claim 2, is characterized in that: described multiple hydrogen bonding supermolecule polymer is that in halogenated hydrocarbon solvent, at 40 ~ 60 DEG C, stirring reaction obtains by trimeric cyanamide and polyimide quaternary alkylphosphonium salt.
4. the supramolecule damping agent according to Claims 2 or 3, is characterized in that: described polyimide quaternary alkylphosphonium salt first carries out aminolysis reaction with ammonia by trimellitic acid 1,2-anhydride, then carries out esterification with Tetrakis hydroxymethyl phosphonium chloride and obtain.
5. supramolecule damping agent according to claim 4, is characterized in that, the preparation of described polyimide quaternary alkylphosphonium salt comprises the steps: trimellitic acid 1,2-anhydride to add in organic solvent, passing under ammonia, in 50 ~ 70 DEG C of stirring reactions 4 ~ 6 hours; Then add Tetrakis hydroxymethyl phosphonium chloride, react 4 ~ 6 hours at 120 ~ 140 DEG C.
6. a preparation method for supramolecule damping agent according to claim 1, is characterized in that, comprises the steps: inorganic nano polynite and multiple hydrogen bonding supermolecule polymer stirring reaction 4 ~ 6 hours in aqueous ethanolic solution, at 60 ~ 70 DEG C.
7. preparation method according to claim 6, is characterized in that: the polynite of 100g inorganic nano adds 0.08 ~ 0.1mol multiple hydrogen bonding supermolecule polymer.
8. application rights requires to it is characterized in that a damping rubber material prepared by the supramolecule damping agent described in 1: in the rubber matrix of 100 mass parts, be added with the supramolecule damping agent described in 5 ~ 20 mass parts.
9. damping rubber material according to claim 8, is characterized in that, has following composition and proportioning:
10. damping rubber material according to claim 8 or claim 9, is characterized in that: described rubber matrix is at least one in chloroprene rubber, terpolymer EP rubber and paracril.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010457A (en) * | 2016-06-02 | 2016-10-12 | 上海工程技术大学 | Modified montmorillonite/paraffin composite phase-change energy storage material and preparation method thereof |
| CN106700087A (en) * | 2016-12-05 | 2017-05-24 | 江汉大学 | Triple hydrogen-bond supramolecular polymer and preparation method thereof |
| CN107266754A (en) * | 2017-08-07 | 2017-10-20 | 安徽凤凰松包装有限公司 | A kind of acid and alkali-resistance rubber |
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| CN103834197A (en) * | 2014-03-18 | 2014-06-04 | 上海工程技术大学 | Preparation method of organic montmorillonite modified by supermolecular liquid crystal polymer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106010457A (en) * | 2016-06-02 | 2016-10-12 | 上海工程技术大学 | Modified montmorillonite/paraffin composite phase-change energy storage material and preparation method thereof |
| CN106010457B (en) * | 2016-06-02 | 2019-03-19 | 上海工程技术大学 | A kind of modified montmorillonoid/paraffin composite phase change energy storage material and preparation method thereof |
| CN106700087A (en) * | 2016-12-05 | 2017-05-24 | 江汉大学 | Triple hydrogen-bond supramolecular polymer and preparation method thereof |
| CN106700087B (en) * | 2016-12-05 | 2019-10-08 | 江汉大学 | Three deuterium bond supermolecule polymers of one kind and preparation method thereof |
| CN107266754A (en) * | 2017-08-07 | 2017-10-20 | 安徽凤凰松包装有限公司 | A kind of acid and alkali-resistance rubber |
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