CN106832191A - A kind of polyurethane elastomer and its product and preparation method - Google Patents
A kind of polyurethane elastomer and its product and preparation method Download PDFInfo
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- CN106832191A CN106832191A CN201710086940.0A CN201710086940A CN106832191A CN 106832191 A CN106832191 A CN 106832191A CN 201710086940 A CN201710086940 A CN 201710086940A CN 106832191 A CN106832191 A CN 106832191A
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- polyurethane elastomer
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- 229920003225 polyurethane elastomer Polymers 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 25
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 16
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- 150000002009 diols Chemical group 0.000 claims abstract description 10
- 239000004970 Chain extender Substances 0.000 claims abstract description 8
- 229920001451 polypropylene glycol Polymers 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 23
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical group C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 22
- -1 ethylene oxide propylene oxide polyol Chemical class 0.000 claims description 19
- 239000007795 chemical reaction product Substances 0.000 claims description 15
- 229920005862 polyol Polymers 0.000 claims description 13
- 150000003077 polyols Chemical class 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 229920000877 Melamine resin Polymers 0.000 claims description 7
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000009970 fire resistant effect Effects 0.000 claims description 6
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 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 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 5
- DOXCUJQQGRYBGD-UHFFFAOYSA-N 1,2-diisocyanato-3,4,5-trimethylbenzene Chemical compound CC1=CC(N=C=O)=C(N=C=O)C(C)=C1C DOXCUJQQGRYBGD-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical class OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 4
- VSJGXDHPMRGSSU-UHFFFAOYSA-N (2,3,4-trichlorophenyl) dihydrogen phosphite Chemical group OP(O)OC1=CC=C(Cl)C(Cl)=C1Cl VSJGXDHPMRGSSU-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 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 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 229920006311 Urethane elastomer Polymers 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 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 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 150000004984 aromatic diamines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002462 isocyano group Chemical group *[N+]#[C-] 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Classifications
-
- 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
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention belongs to polyurethane is standby and applied technical field, there is provided a kind of polyurethane elastomer and its product and preparation method, the polyurethane elastomer is made up of following raw material：PPG, diisocyanate, catalyst, low-molecular-weight diol chain extender and fire retardant, the PPG are 1 with the weight ratio of the diisocyanate:0.3 1.0, the amount of the catalyst is the 0.01 0.1% of the PPG weight, and the amount of the low-molecular-weight diol is the 0.5 2.0% of the PPG weight, and the amount of the fire retardant is the 5 10% of the PPG weight.The polyurethane elastomer that the present invention is provided not only has good wearability and resilience, but also with good fire protecting performance.
Description
Technical field
The invention belongs to polyurethane is standby and applied technical field, and in particular to a kind of polyurethane elastomer and its product and
Preparation method.
Background technology
Elastic polyurethane beam is a kind of macromolecular material between rubber and plastics.Make elastic polyurethane beam
Variety of raw material it is various, be formulated varied, be often made into beam for every field.Usually require that in the vehicles
The fireproofed polyurethane elastomer that field and building field are used has suitable stiffness, good wearability and high resilience；Generally
Polyurethane elastomer external condition suffered in use is dynamic, i.e., elastic polyurethane is carried needs to bear external force
Effect, therefore it is required that material has relatively low endogenous heat, to reduce gap and the destruction of the material internal that endogenous heat causes；Except this
Outside, if there is certain particularity using position, it is required that the polyurethane elastomer being used in herein has preferably fire prevention
Performance.In existing polyurethane elastomer formula, good hardness, high abrasion, the elastic polyurethane of resilience high usually can be ensured
Body fire protecting performance is poor, and the good polyurethane elastomer intensity difference of fire protecting performance, wear no resistance, and it cannot be guaranteed that elastic polyurethane
Body has good dynamic property.
The resistant to elevated temperatures pouring type urethane elastomer composition of patent and preparation method thereof (notification number CN104448196A),
Disclose a kind of resistant to elevated temperatures pouring type urethane elastomer composition and preparation method thereof, component A：Method is prepared as follows
Obtain：By weight percentage, by diisocyanate 27%~44% and polymer polyatomic alcohol 56%~73% 70 DEG C~90
DEG C reaction 2~3 hours, obtain the prepolymer that isocyano mass content is 6~10%；The polymer polyatomic alcohol uses function
Degree 2, the polytetrahydrofuran polyol with tetrahydrofuran as initiator number-average molecular weight in the range of 1000~2000, or function
It is 2 to spend, the PPG with bisphenol-A as initiator number-average molecular weight in the range of 500~1000；The diisocyanate is
Toluene di-isocyanate(TDI).B component：A kind of aromatic diamine curing agent.The tetrahydrofuran of the invention application is a kind of volatile
Reagent, is not only difficult storage, and has caused fire and blast, and potential safety hazard is caused to workshop.
Patent halogen-free flame resistance polyurethane elastomer and preparation method thereof (notification number CN102276784A), discloses a kind of ring
Halogen-free flame resistance polyurethane elastomer completely up to standard is protected, by weight percentage, including following raw material：Trihydroxyethyl isocyanuric
Ester 5-10%, metal hydroxide 3-10%, expanded graphites 3-5%, PPG 30-45%, diisocyanate 25-
35%, chain extender 5-10%, antioxidant 0.1-0.5%, catalyst 0.1-0.5%.Halogen-free anti-inflaming polyurethane of the present invention
Elastomer, without addition halogen containing flame-retardant in preparation process, addition is halogen-free flame retardants, and, other raw materials of use
Also all it is the material that finished product environmental protection will not be caused not up to standard；The halogen-free flame resistance polyurethane elastomer for so obtaining has good resistance
Combustion performance, the present invention is in view of the shortcomings of the prior art, there is provided one kind uses good fluidity, adapts to big grinding tool foaming, sound absorption qualities
Good and polyurethane of low VOC content and preparation method thereof.The invention obtains a kind of having for environmental protection by adding halogen-free flame retardants
Good flame-retardance can polyurethane elastomer, but do not ensure that the polyurethane elastomer of offer has good intensity and resistance to
Mill property.
Therefore, a kind of hardness of urgent need is good, and wearability is good, resilience high, and the polyurethane elastomer with fire-proof function.
The content of the invention
The present invention in order to be directed to the problem that existing polyurethane elastomer is present, the present invention provide a kind of polyurethane elastomer and
Its product and preparation method, the invention provides following technical scheme：
A kind of polyurethane elastomer, the polyurethane elastomer is made up of following raw material：PPG, two isocyanic acids
Ester, catalyst, low-molecular-weight diol chain extender and fire retardant, the PPG is with the weight ratio of the diisocyanate
1:0.3-1.0, the amount of the catalyst is the 0.01-0.1% of the PPG weight, the amount of the low-molecular-weight diol
It is the 0.5-2.0% of the PPG weight, the amount of the fire retardant is the 5-10% of the PPG weight.
Preferably, the PPG is that number-average molecular weight is 500-3000, and the PPG is polycyclic oxygen second
One or more in alkane polyalcohol and ethylene oxide propylene oxide polyol.
Preferably, the diisocyanate is dimethyl diphenyl diisocyanate, toluene di-isocyanate(TDI) and diphenyl methane
One or more in diisocyanate.
Preferably, the PPG and the weight ratio of the diisocyanate are 1：0.3-0.7, can obtain performance most
Good polyurethane elastomer.
Preferably, the catalyst is triethylenediamine or dibutyl tin laurate.
Preferably, the low-molecular-weight diol chain extender is the one kind or several in ethylene glycol, 1,6- ethylene glycol, 4- butanediols
Kind.
Preferably, the fire retardant includes phosphorous acid esters and melamine based flame retardant, the phosphorous acid esters fire resistant
Agent is 1 with the weight ratio of the melamine based flame retardant：0.05-0.10:0.05-0.30.
Preferably, the phosphorous acid esters fire resistant agent is halogen phosphite ester fire retardant and Halogen phosphorous acid esters fire resistant agent
In one or more；The melamine based flame retardant is melamine.
A kind of method for preparing polyurethane elastic body, comprises the following steps：
S1：The synthesis of prepolymer：Stirred mixing is carried out in PPG, diisocyanate and catalyst addition reactor
Mix, and by the temperature control in reactor at 70-120 DEG C, the prepolymer of generation isocyanato end-blocking；
S2：End reaction：After after previous step reaction fully, to adding low-molecular-weight diol chain extender and fire-retardant in reactor
Agent, then by temperature adjustment to 80-130 DEG C, obtains end-product after mixing；
S3：Pour：The end-product that will synthesize in previous step pours head and pours in a mold by mixing；
S4：Curing：To pour end-product mould be put into hot-air circular chamber in cure 30-60min；
S5：The demoulding：Mould after above-mentioned curing is taken out, the demoulding is carried out to the end-product in mould, that is, obtain polyurethane
Elastomer.
Preferably, PPG described in S1-S5 and the weight ratio of the diisocyanate are 1:0.3-1.0, it is described
The amount of catalyst is the 0.01-0.1% of the PPG weight, and the amount of the low-molecular-weight diol is the polyether polyols
The 0.5-2.0% of alcohol weight, the amount of the fire retardant is the 5-10% of the PPG weight.
Preferably, the mould should be preheated to 70-120 DEG C before pouring, and prevent end-product from occurring quickly after contacting mould
Cooling.
Preferably, the temperature in the hot-air circular chamber should be controlled at 50-90 DEG C in curing.
Preferably, one kind polyurethane elastomer as obtained in above-mentioned steps is made resilient cushion member for raw material, is returned with height
The advantages of elasticity, wearability and fire line.
The beneficial effects of the invention are as follows：
1st, the polyurethane elastomer that the present invention is provided is good with fire protecting performance, and wearability is good, resilience advantage high；
2nd, the present invention is used raw material and reagent do not exist the danger of burning and blast in process of production；
3rd, the prepolymer of the two of reaction production different acid esters end-blockings can be preserved for a long time, and storage time was up to 10-20 hours；
4th, product obtained in polyurethane elastomer provided by the present invention has longer service life；
5th, the preparation method processing step that the present invention is provided is simple, and controllability is good.
Specific embodiment
Embodiment 1
A kind of polyurethane elastomer, is made up of following raw material：Number-average molecular weight is 3000 polyoxypropylene polyol, two
Methylenebis phenyl isocyanate, triethylenediamine, Isosorbide-5-Nitrae-butanediol and triphenyl phosphite, specific step of preparation process
For：
S1：The synthesis of prepolymer：Polyoxypropylene polyol and methyl diphenylene diisocyanate are compared 1 according to weight：
Mixed in 0.25 input reactor, controlling reaction temperature is 80-110 DEG C, and adds triethylenediamine, wherein Sanya second
The weight of base diamines is the 0.02% of polyoxypropylene polyol, the low molecule pre-polymerization of reaction generation isocyanato end-blocking
Body；
S2：End reaction：By 1,4- butanediols and triphenyl phosphite according to 1:4 ratios mix, and are subsequently adding reactor
In make the low molecule performed polymer of mixture and isocyanato end-blocking continue to react in 90-120 DEG C of environment, reaction terminates
End-product is obtained afterwards；
S3：Pour：The end-product that will be obtained in S2 is poured into the mould that temperature is 90-110 DEG C；
S4：Curing, the mould that will be poured is put into the hot-air circular chamber that temperature is 60-80 DEG C and is cured, during curing
Between be 50min；
S5：The demoulding, the mould after curing is taken out, and carries out the demoulding, obtains polyurethane elastomer.
Embodiment 2
A kind of polyurethane elastomer, is made up of following raw material：Number-average molecular weight is 5000 polyoxyethylene oxypropylene
Polyalcohol, dimethyl methyl phenylene diisocyanate, triethylenediamine, Isosorbide-5-Nitrae-butanediol and halogen phosphite ester fire retardant, it is described
Halogen phosphite ester fire retardant is trichlorophenyl phosphite ester, and specific step of preparation process is：
S1：The synthesis of prepolymer：By polyoxyethylene oxypropylene polyalcohol and dimethyl methyl phenylene diisocyanate according to
Weight compares 1：Mixed in 0.23 input reactor, controlling reaction temperature is 80-110 DEG C, and adds triethylenediamine, its
The weight of middle triethylenediamine is the 0.02% of polyoxypropylene polyol, the pre-polymerization that reaction generation is blocked with hydrogen sulfonate groups
Body；
S2：End reaction：By 1,4- butanediols and trichlorophenyl phosphite ester according to 0.18:1 ratio mixes, and is subsequently adding anti-
Answering makes in device mixture continue reaction in 90-120 DEG C of environment with the performed polymer blocked with hydrogen sulfonate groups, reacts after terminating
Obtain end-product；
S3：Pour：The polyurethane elastomer that will be obtained in S2 is poured into the mould that temperature is 90-100 DEG C；
S4：Curing, the mould that will be poured is put into the hot-air circular chamber that temperature is 60-80 DEG C and is cured, during curing
Between be 50min；
S5：The demoulding, the mould after curing is taken out, and carries out the demoulding, obtains polyurethane elastomer.
Comparative example 1
A kind of polyurethane elastomer, is made up of following raw material：Number-average molecular weight is 3000 polyoxypropylene polyol, two
Methylenebis phenyl isocyanate, triethylenediamine and Isosorbide-5-Nitrae-butanediol, specific step of preparation process is：
S1：The synthesis of prepolymer：Polyoxypropylene polyol and methyl diphenylene diisocyanate are compared 1 according to weight：
Mixed in 0.25 input reactor, controlling reaction temperature is 80-110 DEG C, and adds triethylenediamine, wherein Sanya second
The weight of base diamines is the 0.02% of polyoxypropylene polyol, the low molecule pre-polymerization of reaction generation isocyanato end-blocking
Body；
S2：End reaction：Make the low molecule of mixture and isocyanato end-blocking during 1,4- butanediols are added into reactor
Performed polymer continues reaction in 90-120 DEG C of environment, and reaction obtains end-product after terminating；
S3：Pour：The end-product that will be obtained in S2 is poured into the mould that temperature is 90-110 DEG C；
S4：Curing, the mould that will be poured is put into the hot-air circular chamber that temperature is 60-80 DEG C and is cured, during curing
Between be 50min；
S5：The demoulding, the mould after curing is taken out, and carries out the demoulding, obtains polyurethane elastomer.
Comparative example 2
A kind of polyurethane elastomer, is made up of following raw material：PPG, dimethyl methyl phenylene diisocyanate, Sanya
Ethyldiamine and Isosorbide-5-Nitrae-butanediol, the halogen phosphite ester fire retardant are trichlorophenyl phosphite ester, specific preparation technology step
Suddenly it is：
S1：The synthesis of prepolymer：PPG and dimethyl methyl phenylene diisocyanate are compared 1 according to weight：0.23 throws
Enter mixing in reactor, controlling reaction temperature is 80-110 DEG C, and adds triethylenediamine, wherein triethylenediamine
Weight for polyoxypropylene polyol 0.02%, reaction generation with hydrogen sulfonate groups block performed polymer；
S2：End reaction：Make mixture with the performed polymer blocked with hydrogen sulfonate groups during 1,4- butanediols are added into reactor
Continue to react in 90-120 DEG C of environment, reaction obtains end-product after terminating；
S3：Pour：The polyurethane elastomer that will be obtained in S2 is poured into the mould that temperature is 90-100 DEG C；
S4：Curing, the mould that will be poured is put into the hot-air circular chamber that temperature is 60-80 DEG C and is cured, during curing
Between be 50min；
S5：The demoulding, the mould after curing is taken out, and carries out the demoulding, obtains polyurethane elastomer.
According to embodiment 1 and 2, raw material proportioning and preparation method described in comparative example 1 and 2 make polyurethane elastomer, so
Performance detection is carried out to obtained polyurethane afterwards, testing result is as shown in table 1：
Table 1
Can show that the polyurethane elastomer of present invention offer has good resilience, stretching by the data in table 1
Intensity and fire protecting performance.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, although with reference to foregoing reality
Apply example to be described in detail the present invention, for a person skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or which part technical characteristic is carried out with replacement.It is all in spirit of the invention
Within principle, any modification, same to replacement, the improvement made should be included within the scope of the present invention.
Claims (10)
1. a kind of polyurethane elastomer, it is characterised in that the polyurethane elastomer is made up of following raw material：PPG,
Diisocyanate, catalyst, low-molecular-weight diol chain extender and fire retardant, the PPG and the diisocyanate
Weight ratio is 1:0.3-1.0, the amount of the catalyst is the 0.01-0.1% of the PPG weight, the low molecule two
The amount of first alcohol is the 0.5-2.0% of the PPG weight, and the amount of the fire retardant is the PPG weight
5-10%.
2. a kind of polyurethane elastomer according to claim 1, it is characterised in that the PPG is the equal molecules of number
It is 500-3000 to measure, and the PPG is in polyethylene oxide polyol and ethylene oxide propylene oxide polyol
One or more.
3. a kind of polyurethane elastomer according to claim 1, it is characterised in that the diisocyanate is dimethyl diphenyl
One or more in diisocyanate, toluene di-isocyanate(TDI) and methyl diphenylene diisocyanate.
4. a kind of polyurethane elastomer according to claim 1, it is characterised in that the catalyst is triethylenediamine
Or dibutyl tin laurate.
5. a kind of polyurethane elastomer according to claim 1, it is characterised in that the low-molecular-weight diol chain extender is
One or more in ethylene glycol, 1,6- ethylene glycol, 4- butanediols.
6. a kind of polyurethane elastomer according to claim 1, it is characterised in that the fire retardant includes phosphorous acid esters
With melamine based flame retardant, the phosphorous acid esters fire resistant agent is 1 with the weight ratio of the melamine based flame retardant：
0.05-0.10:0.05-0.30。
7. a kind of polyurethane elastomer according to claim 7, it is characterised in that the phosphorous acid esters fire resistant agent be containing
One or more in halogen phosphite ester fire retardant and Halogen phosphorous acid esters fire resistant agent；The melamine based flame retardant is three
Poly cyanamid.
8. a kind of method for preparing polyurethane elastomer described in claim any one of 1-7, comprises the following steps：
S1：The synthesis of prepolymer：Mixed during PPG, diisocyanate and catalyst are added into reactor,
And by the temperature control in reactor at 70-120 DEG C, the prepolymer of generation isocyanato end-blocking；
S2：End reaction：After previous step reaction is abundant, to low-molecular-weight diol chain extender and fire retardant is added in reactor, so
Afterwards by temperature adjustment to 80-130 DEG C, end-product is obtained after mixing；
S3：Pour：The end-product that will synthesize in previous step pours head and pours in a mold by mixing；
S4：Curing：To pour end-product mould be put into hot-air circular chamber in cure 30-60min；
S5：The demoulding：Mould after above-mentioned curing is taken out, the demoulding is carried out to the end-product in mould, that is, obtain elastic polyurethane
Body.
9. a kind of polyurethane elastomer according to claim 9, it is characterised in that the mould should be preheated to before pouring
70-120 DEG C, the temperature in the hot-air circular chamber should be controlled at 50-90 DEG C in curing.
10. the elastic polyurethane beam that a kind of polyurethane elastomer provided with claim 9 is made.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040422A (en) * | 2019-12-03 | 2020-04-21 | 东莞市雄林新材料科技股份有限公司 | A kind of skin-feeling TPU film and preparation method thereof |
| CN114573777A (en) * | 2022-04-07 | 2022-06-03 | 中国林业科学研究院林产化学工业研究所 | Bio-based flame-retardant polyurethane elastomer and preparation method thereof |
| CN119684566A (en) * | 2025-02-25 | 2025-03-25 | 淄博华天橡塑科技有限公司 | Damping polyurethane material for bridge track and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495214A (en) * | 2002-08-21 | 2004-05-12 | Thermophastic workable polyurethane with self-extinguishability, its preparation method and application | |
| CN101225152A (en) * | 2006-11-30 | 2008-07-23 | 拜尔材料科学股份公司 | Process for preparing self-extinguishing thermoplastic polyurethanes |
| CN102161742A (en) * | 2011-03-24 | 2011-08-24 | 上海科华聚氨酯制品有限公司 | Organic polymer polyurethane elastomer and preparation method thereof |
| CN102558606A (en) * | 2012-01-11 | 2012-07-11 | 福州大学 | Reactive halogen-free organic phosphate ester flame retardant and flame-retardant polyurethane elastomer |
| CN103265676A (en) * | 2013-04-20 | 2013-08-28 | 北京化工大学 | Method of continuously producing high-performance thermoplastic polyurethane elastomer |
| CN103665829A (en) * | 2013-12-09 | 2014-03-26 | 山东一诺威聚氨酯股份有限公司 | Preparation method of high flame-retardant environmental friendly thermoplastic polyurethane elastomers |
| DE102013022173A1 (en) * | 2013-12-23 | 2015-06-25 | Gt Elektrotechnische Produkte Gmbh | Polyurethane elastomers based on polyether alcohol mixtures and trimerized diisocyanates |
| CN105238011A (en) * | 2015-09-09 | 2016-01-13 | 沈阳化工大学 | Flame-retarding polyurethane elastomer robot track and preparation method of same |
| CN105801812A (en) * | 2016-04-07 | 2016-07-27 | 苏州绿朗新材料科技有限公司 | Polyurethane elastomer and preparation method thereof |
-
2017
- 2017-02-17 CN CN201710086940.0A patent/CN106832191A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495214A (en) * | 2002-08-21 | 2004-05-12 | Thermophastic workable polyurethane with self-extinguishability, its preparation method and application | |
| CN101225152A (en) * | 2006-11-30 | 2008-07-23 | 拜尔材料科学股份公司 | Process for preparing self-extinguishing thermoplastic polyurethanes |
| CN102161742A (en) * | 2011-03-24 | 2011-08-24 | 上海科华聚氨酯制品有限公司 | Organic polymer polyurethane elastomer and preparation method thereof |
| CN102558606A (en) * | 2012-01-11 | 2012-07-11 | 福州大学 | Reactive halogen-free organic phosphate ester flame retardant and flame-retardant polyurethane elastomer |
| CN103265676A (en) * | 2013-04-20 | 2013-08-28 | 北京化工大学 | Method of continuously producing high-performance thermoplastic polyurethane elastomer |
| CN103665829A (en) * | 2013-12-09 | 2014-03-26 | 山东一诺威聚氨酯股份有限公司 | Preparation method of high flame-retardant environmental friendly thermoplastic polyurethane elastomers |
| DE102013022173A1 (en) * | 2013-12-23 | 2015-06-25 | Gt Elektrotechnische Produkte Gmbh | Polyurethane elastomers based on polyether alcohol mixtures and trimerized diisocyanates |
| CN105238011A (en) * | 2015-09-09 | 2016-01-13 | 沈阳化工大学 | Flame-retarding polyurethane elastomer robot track and preparation method of same |
| CN105801812A (en) * | 2016-04-07 | 2016-07-27 | 苏州绿朗新材料科技有限公司 | Polyurethane elastomer and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040422A (en) * | 2019-12-03 | 2020-04-21 | 东莞市雄林新材料科技股份有限公司 | A kind of skin-feeling TPU film and preparation method thereof |
| CN114573777A (en) * | 2022-04-07 | 2022-06-03 | 中国林业科学研究院林产化学工业研究所 | Bio-based flame-retardant polyurethane elastomer and preparation method thereof |
| CN114573777B (en) * | 2022-04-07 | 2024-10-29 | 中国林业科学研究院林产化学工业研究所 | Bio-based flame-retardant polyurethane elastomer and preparation method thereof |
| CN119684566A (en) * | 2025-02-25 | 2025-03-25 | 淄博华天橡塑科技有限公司 | Damping polyurethane material for bridge track and preparation method thereof |
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Application publication date: 20170613 |