CN108456294A - A kind of polyurethane elastomer and preparation method thereof that high temperature-resistant grease is ageing-resistant - Google Patents
A kind of polyurethane elastomer and preparation method thereof that high temperature-resistant grease is ageing-resistant Download PDFInfo
- Publication number
- CN108456294A CN108456294A CN201810106821.1A CN201810106821A CN108456294A CN 108456294 A CN108456294 A CN 108456294A CN 201810106821 A CN201810106821 A CN 201810106821A CN 108456294 A CN108456294 A CN 108456294A
- Authority
- CN
- China
- Prior art keywords
- polyurethane elastomer
- resistant
- diisocyanate
- polyurethane
- ageing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 229920003225 polyurethane elastomer Polymers 0.000 title claims abstract description 37
- 239000004519 grease Substances 0.000 title claims abstract description 25
- 230000032683 aging Effects 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000004970 Chain extender Substances 0.000 claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 8
- 239000004067 bulking agent Substances 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract 2
- 230000018044 dehydration Effects 0.000 claims description 18
- 238000006297 dehydration reaction Methods 0.000 claims description 18
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 16
- 239000002585 base Substances 0.000 claims description 16
- 229920005862 polyol Polymers 0.000 claims description 14
- 150000003077 polyols Chemical class 0.000 claims description 14
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 13
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 13
- 229920000570 polyether Polymers 0.000 claims description 13
- 150000003457 sulfones Chemical class 0.000 claims description 13
- 238000004073 vulcanization Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 8
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 8
- 150000005846 sugar alcohols Polymers 0.000 claims description 8
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 6
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000005662 Paraffin oil Substances 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical group C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229920001610 polycaprolactone Polymers 0.000 claims description 3
- 239000004632 polycaprolactone Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920005906 polyester polyol Polymers 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 2
- ILHIHKRJJMKBEE-UHFFFAOYSA-N hydroperoxyethane Chemical compound CCOO ILHIHKRJJMKBEE-UHFFFAOYSA-N 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims 2
- UGECZVYAEAILCT-UHFFFAOYSA-N OC1=CC=C(C=C1)C(C)(C)C1=CC=C(C=C1)O.CCC.OC1=CC=CC=C1 Chemical compound OC1=CC=C(C=C1)C(C)(C)C1=CC=C(C=C1)O.CCC.OC1=CC=CC=C1 UGECZVYAEAILCT-UHFFFAOYSA-N 0.000 claims 1
- 239000004305 biphenyl Substances 0.000 claims 1
- XJRAOMZCVTUHFI-UHFFFAOYSA-N isocyanic acid;methane Chemical compound C.N=C=O.N=C=O XJRAOMZCVTUHFI-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- GLDOVTGHNKAZLK-UHFFFAOYSA-N n-octadecyl alcohol Natural products CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims 1
- 239000010690 paraffinic oil Substances 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 229920000136 polysorbate Polymers 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 230000003679 aging effect Effects 0.000 abstract description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 25
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 11
- 238000006555 catalytic reaction Methods 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 5
- 229940106691 bisphenol a Drugs 0.000 description 5
- -1 pentaerythritol ester Chemical class 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- VAPHCCRRPMNRJI-UHFFFAOYSA-N C(CCCCCCCCCCCCCCCCC)O.C(C)(C)(C)CC(C(=O)O)(C1=CC=CC(=C1)C(C)(C)C)O Chemical group C(CCCCCCCCCCCCCCCCC)O.C(C)(C)(C)CC(C(=O)O)(C1=CC=CC(=C1)C(C)(C)C)O VAPHCCRRPMNRJI-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- ZYEQKXIEBXGMLG-UHFFFAOYSA-N phenol propane Chemical compound CCC.Oc1ccccc1.Oc1ccccc1.Oc1ccccc1 ZYEQKXIEBXGMLG-UHFFFAOYSA-N 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
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- 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
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-
- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
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- C08G18/3868—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms the sulfur atom belonging to a sulfide group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- 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
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- 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
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- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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- C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- 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
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- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to a kind of polyurethane elastomer and preparation method thereof that high temperature-resistant grease is ageing-resistant, the polyurethane elastomer component includes:53.59~62.75wt% of polymer polyatomic alcohol, 26.49~31.15wt% of diisocyanate, 2.55~8.78wt% of chain extender, 0.1~3.0wt% of antioxidant, 5.0~20.0wt% of non-polar additives, 0.5~2.0wt% of bulking agent, 0~0.1wt% of catalyst.Preparation method is reacted by polymer polyatomic alcohol, diisocyanate and antioxidant and other auxiliary agents under the conditions of 60~80 DEG C first is made performed polymer, then polyurethane elastomer is made with chain extender reaction under the action of catalyst.The ageing-resistant Mechanical Properties of Polyurethane Elastomers of high temperature-resistant grease obtained by the present invention is good, and hardness adjustable extent is big, and resistance to polarity is oil can be good, and heat aging property is excellent.
Description
Technical field
The present invention provides a kind of method for preparing polyurethane elastic body, belong to technical field of polymer materials, specifically relate to
And a kind of polyurethane elastomer and preparation method thereof that high temperature-resistant grease is ageing-resistant.
Background technology
Heat resistance of the polyurethane elastomer in inert gas such as nitrogen is fair, and oxytolerant and ozone performance be also very under room temperature
It is good, but effect can accelerate the ager process of polyurethane while high temperature and oxygen, make material property is bright to see reduction and influence to use.
The temperature upper limit that general polyurethane elastomer is used continuously for a long time in air is 80~90 DEG C, and the short time uses reachable
120 DEG C, be about 130 DEG C on the temperature that thermal oxide shows to significantly affect.
In addition, polyurethane elastomer is a kind of highly polar high molecular material, and it is small with the compatibility of nonpolar mineral oil, it is firing
It hardly weathers in material oily (such as kerosene, gasoline) and machinery oil (such as hydraulic oil, machine oil, plain oil), but in polarity
Performance loss in fat is larger.
Invention content
The present invention is directed to overcome the defect of above-mentioned oil resistant, heat oxygen aging resistance etc., its purpose is to provide a kind of resistance to height
The ageing-resistant polyurethane elastomer and preparation method thereof of warm grease.The present invention is by being added bis sulfone S, bisphenol-A and hydroquinone two
The ingredient of the structures containing symmetry rigid such as hydroxyethyl ether (HQEE), by it with other chain extenders and for improving polyurethane elastomer
High temperature resistant, the oil energy of resistance to polarity.In addition, the non-polar oils such as paraffin oil, naphthenic oil, which are added, to play one to polar emollient fat
Fixed buffer action improves the performance of resistance to polar lipid.
Mechanical Properties of Polyurethane Elastomers produced by the present invention is good, under the conditions of 140 DEG C resistance to polarity it is oil can and it is heat-resisting
Ageing properties are excellent.
Technical solution is used by realizing above-mentioned purpose of the present invention:
A kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant, the polyurethane elastomer is by polymer polyatomic alcohol, two different
Cyanate and chain extender are reacted by prepolymer method, cast, demould, vulcanization is made, wherein first by polymer polyatomic alcohol, two
Isocyanates and antioxidant reacted under the conditions of 60~80 DEG C be made performed polymer, then under the action of catalyst with chain extender reaction system
Polyurethane elastomer is obtained,.
In a kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant and preparation method thereof, each component is shared in the feed
Mass percent is as follows:53.59~62.75wt% of polymer polyatomic alcohol, 26.49~31.15wt% of diisocyanate expand
Chain 2.55~8.78wt% of agent, 0.1~3.0wt% of antioxidant, 5.0~20.0wt% of non-polar additives, bulking agent 0.5~
2.0wt%, 0~0.1wt% of catalyst.
The polymer polyatomic alcohol is that polytetrahydrofuran ether glycol, end hydroxy polyether polyalcohol 330N, common polyether are polynary
Alcohol 3600, common polyether polyalcohol 36/28, polyether polyol TEP2400, polyester polyol PDA1000, polycaprolactone polyol
One or both of with polycarbonate polyol, the molecular weight of polymer polyatomic alcohol is 1000~6000.
The diisocyanate is 4,4 '-methyl diphenylene diisocyanates (pure MDI, liquefaction modified MDI), 2,4- toluene
One or more of diisocyanate (TDI-80, TDI-100) mixture.
The chain extender includes two kinds of chain extender A and chain extender B, and wherein chain extender A is that 2,2- is bis- to phenol propane (bis-phenol
A), 4,4- dihydroxydiphenylsulisomers (bis sulfone S), hydroquinone two hydroxy ethyl ether (HQEE);Chain extender B is 3,5- dimethyl sulphur-based toluene
One or more of diamines (DMTDA), 1,4-butanediol (BDO) and trimethylolpropane (TMP) mixture, it is preferably double
Sulfone S, BDO and DMTDA one or more mixture.
The antioxidant is 3,5- di-tert-butyl-hydroxy phenyl propionic acid octadecanol esters (1076), four [β-(3,5- bis-
Tert-butyl-hydroxy phenyl) propionic acid] one kind in pentaerythritol ester (1010) and phosphorous acid three (2,4- di-tert-butyl-phenyl) ester
Or two or more mixtures, preferably 1010.
The non-polar additives are nonpolar oils, are one kind in paraffin oil, naphthenic oil and aromatic naphtha, preferably paraffin
Oil, the bulking agent are organic silicone oil.
The catalyst is triethylenediamine (A-33), dibutyltin dilaurate (T-12) and stannous octoate (T-
9) one kind in, preferably T-12.
The present invention also provides a kind of above-mentioned method for preparing polyurethane elastic body that high temperature-resistant grease is ageing-resistant, techniques
It is as follows:By 53.59~62.75wt% polymer polyatomic alcohols under the conditions of 100~120 DEG C vacuum dehydration at least 0.5h to bubble-free
It generates;Then 26.49~31.15wt% isocyanates, 0.1~3.0wt% antioxidant and 5.0~20.0wt% nonpolarity is added
Additive, 0.5~2.0wt% bulking agents, stir evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, vacuum dehydration again,
Base polyurethane prepolymer for use as is made;Base polyurethane prepolymer for use as and 2.55~8.78wt% chain extenders is anti-under 0~0.1wt% catalyst
It answers, pour into a mould, demould, and the vulcanization 16~for 24 hours under the conditions of 100~140 DEG C, the ageing-resistant elastic polyurethane of high temperature-resistant grease is made
Body.Because being related to the uses of the chain extenders such as bis sulfone S, bisphenol-A in the present invention, in view of its exclusive use or with BDO or DMTDA etc.
Solubility is low when chain extender mixes, and influences whether the dosage of the chain extenders such as bis sulfone S, bisphenol-A, therefore in the specific implementation in polyalcohol
In add above-mentioned bis sulfone S or bisphenol-A to increase its usage amount.
Further, preparation method of the invention is:By 53.59~62.75wt% polymer polyatomic alcohols 100~120
Under the conditions of DEG C vacuum dehydration at least 0.5h to bubble-free generate;Then be added 26.49~31.15wt% isocyanates, 0.1~
3.0wt% antioxidant and 5.0~20.0wt% non-polar additives, 0.5~2.0wt% chain extenders A, 0.5~2.0wt% increase-volumes
Agent stirs evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, and base polyurethane prepolymer for use as is made in vacuum dehydration again;By poly- ammonia
Ester performed polymer is reacted under 0~0.1wt% catalyst with 2.05~6.78wt% chain extenders, pours into a mould, is demoulded, and 100~140
Vulcanization 16 under the conditions of DEG C~for 24 hours, the ageing-resistant polyurethane elastomer of high temperature-resistant grease is made.
The advantages of the present invention are:A kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant is provided,
Mechanical property is good, and oil resistant (non-polar oil and polarity grease) performance is good, and heat-resistant air aging property is excellent, and preparation process letter
It is single, it is easy to operate.
Description of the drawings
Fig. 1 is the infrared spectrum for the ageing-resistant polyurethane elastomer of high temperature-resistant grease that embodiment 1 is prepared;
Fig. 2 is the thermogravimetric analysis figure for the ageing-resistant polyurethane elastomer of high temperature-resistant grease that embodiment 1 is prepared;
Fig. 3 is the infrared spectrum for the ageing-resistant polyurethane elastomer of high temperature-resistant grease that embodiment 3 is prepared;
Fig. 4 is the thermogravimetric analysis figure for the ageing-resistant polyurethane elastomer of high temperature-resistant grease that embodiment 3 is prepared.
Specific implementation mode
Extraction device of the present invention and method are described in detail below in conjunction with the drawings and specific embodiments, but embodiment is not
It should limit the scope of the invention.
A kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant, specific embodiment are as follows:
Embodiment 1
Respectively by the polyether polyol 330N of polyether polyol PTMG1000,15.89wt% of 37.07wt%, 100~
Under the conditions of 120 DEG C vacuum dehydration at least 0.5h to bubble-free generate;Then be added 30.42wt% MDI, 1.2wt% 1010,
9.47wt% paraffin oils, 1.06wt% bis sulfone S and 1.5wt% silicone oil DC193, stir evenly, and anti-under the conditions of 80~90 DEG C
1~3h is answered, again vacuum dehydration, base polyurethane prepolymer for use as is made;By base polyurethane prepolymer for use as and 2.83wt%BDO and 0.46wt%
TMP mix, be added dropwise 0.02wt% T-12 catalysis reaction, later pour into a mould, demould and under the conditions of 100~140 DEG C vulcanization 16~
For 24 hours, a kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant is made.
Table 1
Embodiment 2
Respectively by the polyether polyol of 35.62wt% 3600, the polyether polyol 330N of 19.55wt%, 100~120
Under the conditions of DEG C vacuum dehydration at least 0.5h to bubble-free generate;Then be added 29.26wt%MDI, 1.74wt% 1076,
8.51wt% paraffin oils, 1.33wt% bis sulfone S and 2.0wt% silicone oil DC193, stir evenly, and anti-under the conditions of 80~90 DEG C
1~3h is answered, again vacuum dehydration, base polyurethane prepolymer for use as is made;By base polyurethane prepolymer for use as and 2.33wt%BDO and 0.49wt%
DMTDA is mixed, and the T-9 catalysis reactions of 0.02wt% are added dropwise, pours into a mould, demould later, vulcanization, it is resistance to old that a kind of high temperature-resistant grease is made
The polyurethane elastomer of change.
Table 2
Embodiment 3
Respectively by the polycarbonate polyol PCDL1000 of 59.71wt%, vacuum dehydration is extremely under the conditions of 100~120 DEG C
Lack 0.5h to bubble-free generation;Then be added the liquefied mdi of 31.14wt%, the 1010 of 1.5wt%, 8.51wt% paraffin oils,
1.33wt% bisphenol-As and 2.0wt% silicone oil DC193, stir evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, again vacuum
Base polyurethane prepolymer for use as is made in dehydration;Base polyurethane prepolymer for use as is mixed with 7.47wt%HQEE and 0.72%wt%BDO, is added dropwise
The T-12 catalysis reactions of 0.02wt%, pour into a mould, demould, vulcanization, a kind of polyurethane bullet that high temperature-resistant grease is ageing-resistant is made later
Property body.
Table 3
Embodiment 4
Respectively by the bis sulfone S of polycaprolactone polyol CP10,9.89wt% of 45.55wt%, in 100~120 DEG C of conditions
Lower vacuum dehydration at least 0.5h to bubble-free generate;Then be added 31.51wt% MDI, 1.85wt% 1010,5.54wt%
Naphthenic oil and 1.5wt% silicone oil DC193, stir evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, vacuum dehydration again, system
Obtain base polyurethane prepolymer for use as;Base polyurethane prepolymer for use as is mixed with 2.54wt%HQEE and 0.69wt%TMP, the A- of 0.02wt% is added dropwise
33 catalysis reactions, pour into a mould, demould, vulcanization, a kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant is made later.
Table 4
Embodiment 5
Respectively by the bis sulfone S of polyester polyol PDA-1000,2.67wt% of 50.28wt%, in 100~120 DEG C of conditions
Lower vacuum dehydration at least 0.5h to bubble-free generate;Then the 1010 of the TDI-80 and 1.8wt% of 31.5wt% are added,
5.82wt% naphthenic oils and 2.0wt% silicone oil DC193, stir evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, again very
Sky dehydration, is made base polyurethane prepolymer for use as;Base polyurethane prepolymer for use as is mixed with the bis sulfone S of the DMTDA of 5.52wt% and 0.41wt%,
The T-12 catalysis reactions of 0.01wt% are added dropwise, pours into a mould, demould later, vulcanization, a kind of ageing-resistant poly- ammonia of high temperature-resistant grease is made
Ester elastomer.
Table 5
Embodiment 6
Respectively by the polymer polyatomic alcohol 36/28 of the polyether polyol TEP-240 and 14.74wt% of 48.72wt%,
Under the conditions of 100~120 DEG C vacuum dehydration at least 0.5h to bubble-free generate;Then be added 27.3wt% TDI-100 and
The 1010 of 1.8wt%, stir evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, and it is pre- that polyurethane is made in vacuum dehydration again
Aggressiveness;Base polyurethane prepolymer for use as is mixed with the bisphenol-A of the BDO of 6.90wt% and 0.54wt%, the T-9 catalysis of 0.01wt% is added dropwise
Reaction pours into a mould, demoulds, vulcanization, a kind of polyurethane elastomer that high temperature-resistant grease is ageing-resistant is made later.
Table 6
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (9)
1. a kind of polyurethane elastomer, which is characterized in that its component includes in terms of mass percent shared in the feed:Polymerization
Object 53.59~62.75wt% of polyalcohol, 26.49~31.15wt% of diisocyanate, 2.55~8.78wt% of chain extender, antioxygen
0.1~3.0wt% of agent, 5.0~20.0wt% of non-polar additives, 0.5~2.0wt% of bulking agent, 0~0.1wt% of catalyst.
2. polyurethane elastomer according to claim 1, which is characterized in that the polymer polyatomic alcohol is PolyTHF
Ether glycol, end hydroxy polyether polyalcohol 330N, common polyether polyalcohol 3600, common polyether polyalcohol 36/28, polyether polyol
One or both of TEP2400, polyester polyol PDA1000, polycaprolactone polyol and polycarbonate polyol, polymer
The molecular weight of polyalcohol is 1000~6000.
3. polyurethane elastomer according to claim 1, which is characterized in that the diisocyanate is 4,4 '-diphenyl
One kind in methane diisocyanate (pure MDI, liquefaction modified MDI), 2,4 toluene diisocyanate (TDI-80, TDI-100)
Or two or more mixtures, preferably MDI.
4. polyurethane elastomer according to claim 1, which is characterized in that the chain extender is that 2,2- is bis- to phenol propane
(bisphenol-A), 4,4- dihydroxydiphenylsulisomers (bis sulfone S), hydroquinone two hydroxy ethyl ether (HQEE), 3,5- dimethythiotoluene diamines
(DMTDA), one or more of 1,4-butanediol (BDO) and trimethylolpropane (TMP) mixture, preferably bis sulfone S,
BDO and DMTDA one or more mixtures.
5. polyurethane elastomer according to claim 1, which is characterized in that the antioxidant is 3,5- di-t-butyls -4-
Hydroxy-phenylpropionic acid octadecanol ester (1076), four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters
(1010) and one or more of (2,4- di-tert-butyl-phenyls) ester of phosphorous acid three (168) mixture.
6. polyurethane elastomer according to claim 1, which is characterized in that the catalyst is triethylenediamine (A-
33), one kind in dibutyltin dilaurate (T-12) and stannous octoate (T-9).
7. polyurethane elastomer according to claim 1, which is characterized in that the non-polar additives are nonpolar oils
One kind in liquid, such as paraffin oil, naphthenic oil, aromatic naphtha etc., preferred paraffinic oils;The bulking agent is to contain amphiphilic structure
Surfactant, including neopelex, tween, silicone oil etc., preferably silicone oil.
8. claim 1-7 any one of them method for preparing polyurethane elastic body, which is characterized in that by polymer polyol
Alcohol, diisocyanate and chain extender are reacted by prepolymer method, cast, demould, vulcanization is made, wherein more by polymer first
First alcohol, diisocyanate and antioxidant and other auxiliary agents react under the conditions of 60~80 DEG C is made performed polymer, then makees in catalyst
Polyurethane elastomer is made with chain extender reaction with lower.
9. method for preparing polyurethane elastic body according to claim 8, which is characterized in that by 53.59~62.75wt%
Polymer polyatomic alcohol under the conditions of 100~120 DEG C vacuum dehydration at least 0.5h to bubble-free generate;Then be added 26.49~
31.15wt% isocyanates, 0.1~3.0wt% antioxidant and 5.0~20.0wt% non-polar additives, 0.5~2.0wt%
Bulking agent stirs evenly, and 1~3h is reacted under the conditions of 80~90 DEG C, and base polyurethane prepolymer for use as is made in vacuum dehydration again;It will
Base polyurethane prepolymer for use as is reacted under 0~0.1wt% catalyst with 2.55~8.78wt% chain extenders, pours into a mould, is demoulded, and 100
Vulcanization 16 under the conditions of~140 DEG C~for 24 hours, the ageing-resistant polyurethane elastomer of high temperature-resistant grease is made.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109535360A (en) * | 2018-11-28 | 2019-03-29 | 韶关市合众化工有限公司 | A kind of polyarylsulfone (PAS) modified polyurethane resin emulsion |
CN109942788A (en) * | 2019-02-21 | 2019-06-28 | 唯万科技有限公司 | Self-lubricating hydrolysis resistant polyurethane elastic material and preparation method thereof |
CN110079091A (en) * | 2019-03-25 | 2019-08-02 | 常州达奥新材料科技有限公司 | A kind of preparation method of resistance to ablation composite insulation material |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150225566A1 (en) * | 2012-08-20 | 2015-08-13 | Bayer Materialscience Ag | Polyurethane casting resins and potting compounds produced therefrom |
CN105461877A (en) * | 2015-12-21 | 2016-04-06 | 中国科学院山西煤炭化学研究所 | Synthetic method of thermocuring polyurethane elastomer composite material for sealing materials |
CN107163215A (en) * | 2017-06-22 | 2017-09-15 | 广东元星工业新材料有限公司 | High rigidity self-lubricating polyurethane elastomer and preparation method thereof |
-
2018
- 2018-02-01 CN CN201810106821.1A patent/CN108456294B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150225566A1 (en) * | 2012-08-20 | 2015-08-13 | Bayer Materialscience Ag | Polyurethane casting resins and potting compounds produced therefrom |
CN105461877A (en) * | 2015-12-21 | 2016-04-06 | 中国科学院山西煤炭化学研究所 | Synthetic method of thermocuring polyurethane elastomer composite material for sealing materials |
CN107163215A (en) * | 2017-06-22 | 2017-09-15 | 广东元星工业新材料有限公司 | High rigidity self-lubricating polyurethane elastomer and preparation method thereof |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109535360A (en) * | 2018-11-28 | 2019-03-29 | 韶关市合众化工有限公司 | A kind of polyarylsulfone (PAS) modified polyurethane resin emulsion |
CN109942788A (en) * | 2019-02-21 | 2019-06-28 | 唯万科技有限公司 | Self-lubricating hydrolysis resistant polyurethane elastic material and preparation method thereof |
CN110079091A (en) * | 2019-03-25 | 2019-08-02 | 常州达奥新材料科技有限公司 | A kind of preparation method of resistance to ablation composite insulation material |
WO2022034877A1 (en) * | 2020-08-12 | 2022-02-17 | 日東化成株式会社 | Urethane composition |
CN112759736A (en) * | 2020-12-28 | 2021-05-07 | 山东一诺威聚氨酯股份有限公司 | High-temperature-resistant polyurethane elastomer and preparation method thereof |
CN113831779A (en) * | 2021-08-10 | 2021-12-24 | 铱格斯曼航空科技集团股份有限公司 | Composite wave-absorbing coating and preparation method thereof |
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