CN106543398A - A kind of slip casting filled-type polyurethane material and preparation method thereof - Google Patents
A kind of slip casting filled-type polyurethane material and preparation method thereof Download PDFInfo
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- CN106543398A CN106543398A CN201611099490.0A CN201611099490A CN106543398A CN 106543398 A CN106543398 A CN 106543398A CN 201611099490 A CN201611099490 A CN 201611099490A CN 106543398 A CN106543398 A CN 106543398A
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- polyether polyol
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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
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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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
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- 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
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
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- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of slip casting filled-type polyurethane material and preparation method thereof.With isocyanates as host, polyether polyol is firming agent, is aided with the auxiliary agents such as Isosorbide-5-Nitrae butanediol, triethanolamine, acetone, pentane and HFC 245fa, prepares the polyurethane material by processes such as the synthesis of performed polymer, the solidifications of isocyanates.Need to be vacuum dried polyether polyol in the polyurethane material preparation process, the components such as polyether polyol, Isosorbide-5-Nitrae butanediol, triethanolamine, acetone, pentane and HFC 245fa are added into reaction cup successively so as to be sufficiently mixed uniformly, make A material;B material isocyanates are added under stirring, continues stirring, foamed during mould is poured into when mixed liquor color will be turned white, the reshaping after the complete ripening of foam prepares sample.The polyurethane material can solve the problems, such as road surface plate bottom empty, coal mine gob subgrade strengthening.And the features such as the material has preparation process is simple, environmental friendliness, hardening time is controllable, performance can easily be accommodated.
Description
Technical field
The present invention relates to synthesis of polymer material technical field, and in particular to a kind of slip casting filled-type polyurethane material and its
Preparation method.
Background technology
Slip casting fills type polyurethane with acetone as solvent (disperse medium), with Lightness, high-expansion, fast rigid, resistance to
The good characteristics such as long property, micro- damage.It is widely used to the fields such as subgrade settlement, road surface plate bottom empty, the jacking of foundation.
State Statistics Bureau's latest data shows that 2015 end of the year highway in China total kilometrages have reached 4,570,000 kilometers, it is contemplated that 2016
The end of the year is up to 4,700,000 kilometers, and highway in China construction has been enter into Rapid development stage.National Development and Reform Committee and Department of Transportation send out and change
The file of basis (2016) 730 is indicated:By more than 6000 kilometers of newly-built reorganization and expansion highway in next three years, it is related to investment gold
Volume about 580,000,000,000.Highway subgrade is sunk, plat-bottom escape phenomenon is serious, it would be highly desirable to develops a kind of novel slurry filling material and solves there is currently
Problem.Continuous improvement with the increasing of slip casting filling reinforcing engineering and to prescription, proposes to injecting paste material
High performance, the requirement of greenization, avirulence slip casting filling type polyurethane is a good selection.
Polyurethane is various in style, application is extensive, consumption is big, manufacturing enterprise is numerous at present.Polyurethane injecting paste material is
A kind of true solution, without suspended particles, so there is the more preferable property noted than cement injection material, it can to some micro-cracks,
Hole carries out slip casting, can adjust slip casting gelling time by requirement of engineering, and with higher comprcssive strength.Therefore, slip casting filling
Type polyurethane is widely used in the fields such as road foundation sinking, road surface plate bottom empty, the jacking of foundation.
The content of the invention
To solve the problems such as highway subgrade sinking, plat-bottom escape, jacking of foundation, the invention provides a kind of slip casting filled-type
Polyurethane material and preparation method thereof, the slip casting filled-type polyurethane material part raw material have a mild toxicity, but synthesize it is poly-
It is urethane material non-toxic, pollution-free, belong to environmentally friendly material.
The preparation method of the present invention is simple, easy to operate, low for equipment requirements, process is simple.
Realize technical scheme that above-mentioned purpose of the present invention adopted for:
A kind of slip casting filled-type polyurethane material, it is characterised in that be prepared from by the raw material of following weight:
The HFC-245fa chemical names are 1,1,1,3,3- pentafluoropropanes;
Preferably, the polyether polyol is polyether polyol 303 and the mixture of polyether polyol 204, both quality
Than for 1:1, the two is reused after drying 24h in 105 DEG C, the vacuum drying oven of 0.1atm;
Preferably, the isocyanates are PM-200 polymethylene multi-phenenyl isocyanates;
Preferably, the mass ratio of the pentane and HFC-245fa is 1:2;
A kind of preparation method of the slip casting filled-type polyurethane material of above-mentioned raw materials proportioning, comprises the steps:
1) successively polyether polyol, 1,4- butanediols, triethanolamine, acetone and pentane and HFC-245fa are added
Reaction cup so as to be sufficiently mixed uniformly, makes A material;
2) by step 1) obtained by A expect under stirring add B material isocyanates, continue stirring, until mixed liquor face
Color foams during mould is poured into when will turn white, and the reshaping after the complete ripening of foam prepares sample, for testing the present invention
Slip casting filled-type polyurethane material key property.
Or, by step 1) obtained by A expect under stirring add B material isocyanates, continue stirring, until mixed liquor
Color uses it for Practical Project when will turn white, and fills by high-pressure spray gun slip casting, and injection speed control is in 4-6L/min, note
Slurry temperature control is at 20-30 DEG C.
Preferably, step 1) in, using slow-speed of revolution blender, stir speed (S.S.) is 100-150 rev/min, stirring for the mixing
Time is 1-2 hours so as to mix homogeneously.
Preferably, step 2) in, the speed for continuing stirring is 100-150 rev/min, and mixing time is 0.5-1 hours.
The filling reinforcement mechanism of the polyurethane material is as follows:
The course of reaction of polyurethane is sufficiently complex, generally believes involved main chemical reactions bag in laboratory at present
Include:
(1) amino-formate bond is generated in performed polymer synthesis:
R-NCO+HO-R'→R-NH-COO-R' (1)
(2) isocyanate groups in serosity are reacted with foaming agent (- OH), generate carbon dioxide and urea bond:
R-NCO+OH→R-NH-COOH→R-NH2+CO2↑ (2)
The important reaction occurred in the preparation process for being exactly whole polyurethane above.
Host of the isocyanates (MDI) as polyurethane slip casting packing material, plays filling slip casting effect;Polyether polyol
Serve as firming agent during polyurethane is standby, play a part of to solidify isocyanates;1,4- butanediols are in polyurethane for mistake
Serve as chain extender in journey, play a part of to increase polyurethane chain length, improve polyurethane injecting paste material intensity;Triethanolamine is in poly- ammonia
Serve as catalyst in ester preparation process, play a part of to be catalyzed the synthesis of base polyurethane prepolymer for use as, regulation and control urethane cures time;Just
Pentane and HFC-245fa are then foaming agent, and acetone is solvent.
Compared with prior art, the advantages of the present invention are:
1) preparation method of polyurethane slip casting packing material of the invention is simple, easy to operate, required equipment letter
It is single common, it is not necessary to put into excessive equipment funds, therefore, it is with low cost needed for polyurethane slip casting packing material, it is adapted to
Industrialized great production.
2) preparation method of polyurethane slip casting packing material of the present invention is nontoxic, pollution-free, economical rationality, can large-scale application
In fields such as subgrade settlement, road surface plate bottom empty, the jackings of foundation.
3) advantages of nontoxic raw materials of the present invention, and without solvent in preparation process, preparation method is simple, it is not necessary to set using large-scale
Standby or complicated technology.
Description of the drawings
Fig. 1 is the FTIR spectrum figure after 1 formula urethane cures of embodiment;
Fig. 2 is the FTIR spectrum figure after 2 formula urethane cures of embodiment;
Fig. 3 is the FTIR spectrum figure after 3 formula urethane cures of embodiment;
Fig. 4 is comprcssive strength and bending strength test sample prepared by embodiment 1.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.
The judge of viscosity:When 60 DEG C the dynamic viscosity of polyurethane slip casting strengthening material be related to polyurethane engineering construction and
Practical application, therefore pole is necessary measure polyurethane dynamic viscosity.Dynamic viscosity during urethane cures is according to GB/T2794-
1995 regulation tests.
The judge of mechanical property:For polyurethane injecting paste material, comprcssive strength and bending strength are particularly important
Evaluation index, the engineer applied problem of its magnitude relationship to polyurethane, can not be ignored.Polyurethane injecting paste material Mechanics Performance Testing
Reference《ASTM D3501-05 and D3499-2011 material mechanical performance testing standards》.
The polyurethane functional group change of each embodiment synthesis of different material composition is passed judgment on:Using pellet technique, profit
With functional group, analysis solidification effect and consolidated structures change after Fourier infrared spectrograph test polyurethane injecting paste material solidification.
" part " for not writing unit in this specification exactly refers both to " weight portion ".
Embodiment 1
A kind of slip casting filled-type polyurethane material, is prepared from by the raw material of following weight:
Wherein, polyether polyol is the mixture of polyether polyol 303 and polyether polyol 204, and both mass ratioes are 1:
1, the two is reused after drying 24h in 105 DEG C, the vacuum drying oven of 0.1atm;
Wherein, isocyanates are PM-200 polymethylene multi-phenenyl isocyanates;
Wherein, the mass ratio of pentane and HFC-245fa is 1:2;
A kind of method that utilization above-mentioned raw materials prepare slip casting filled-type polyurethane material, its step is:
1) successively by 200 parts of polyether polyol (mixture of the quality such as polyether polyol 303 and polyether polyol 204),
12 parts of 1,4- butanediols, 10 parts of triethanolamine, 100 parts of acetone and 10 parts of pentanes and HFC-245fa mixture (wherein just
The mass ratio of pentane and HFC-245fa is 1:2) add reaction cup so as to be sufficiently mixed uniformly, make A material;
2) by step 1) obtained by A material 250 parts of B material PM-200 polymethylene polyphenyl isocyanides are added under stirring
In acid esters, continue stirring, foam during mould is poured into when mixed liquor color will be turned white, after the complete ripening of foam again
Molding, prepares sample.
Step 1) in, it is little that the mix homogeneously adopts slow-speed of revolution blender that 1.5 are stirred in the case where stir speed (S.S.) is for 130 revs/min
When so as to mix homogeneously;
Step 2) in, the stir speed (S.S.) for continuing stirring is 130 revs/min, and mixing time is 1 hour.
60 DEG C of dynamic viscosities of slip casting filled-type polyurethane material manufactured in the present embodiment be 3.5mPas, poly- ammonia after solidification
Ester material comprcssive strength is higher, and hardening time is 5min, and after its solidification 24h, comprcssive strength is 12.0MPa;Bending strength is
5.6MPa.Comprcssive strength and bending strength test sample are as shown in Figure 4.It is indicated above that slip casting filled-type manufactured in the present embodiment
The mechanical property of polyurethane material is preferable.The FTIR spectrum of polyurethane material is as shown in figure 1, polyurethane exists after solidification
1518cm-1There are obvious N-H characteristic peaks in place, and this characteristic peak is also the characteristic peak for proving polyurethane presence;Simultaneously because solid
Change more completely, 3578cm-1Place occurs without free-OH characteristic peaks.
Embodiment 2
A kind of slip casting filled-type polyurethane material, is prepared from by the raw material of following weight:
Wherein, polyether polyol is the mixture of polyether polyol 303 and polyether polyol 204, and both mass ratioes are 1:
1, the two is reused after drying 24h in 105 DEG C, the vacuum drying oven of 0.1atm;
Wherein, isocyanates are PM-200 polymethylene multi-phenenyl isocyanates;
Wherein, the mass ratio of pentane and HFC-245fa is 1:2;
A kind of method that utilization above-mentioned raw materials prepare slip casting filled-type polyurethane material, its step is:
1) successively by 200 parts of polyether polyol (mixture of the quality such as polyether polyol 303 and polyether polyol 204),
12 parts of 1,4- butanediols, 20 parts of triethanolamine, 100 parts of acetone and 30 parts of pentanes and HFC-245fa mixture (wherein just
The mass ratio of pentane and HFC-245fa is 1:2) add reaction cup so as to be sufficiently mixed uniformly, make A material;
2) by step 1) obtained by A material 250 parts of B material PM-200 polymethylene polyphenyl isocyanides are added under stirring
In acid esters, continue stirring, foam during mould is poured into when mixed liquor color will be turned white, after the complete ripening of foam again
Molding, prepares sample.
Step 1) in, the mix homogeneously adopts slow-speed of revolution blender to stir 2 hours in the case where stir speed (S.S.) is for 100 revs/min,
Make its mix homogeneously;
Step 2) in, the stir speed (S.S.) for continuing stirring is 100 revs/min, and mixing time is 1 hour.
60 DEG C of dynamic viscosities of slip casting filled-type polyurethane material manufactured in the present embodiment be 3.8mPas, poly- ammonia after solidification
Ester material comprcssive strength is higher, and hardening time is 2min, and after its solidification 24h, comprcssive strength is 15.8MPa;Bending strength is
6.2MPa.It is indicated above that the mechanical property of slip casting filled-type polyurethane material manufactured in the present embodiment is preferable.Polyurethane material
FTIR spectrum is as shown in Fig. 2 polyurethane is in 1518cm after solidification-1There is obvious N-H characteristic peaks, and characteristic peak in place
Absorbance is larger, illustrates that polyurethane content is more;Simultaneously because solidification is incomplete, 3578cm-1There are free-OH features on a small quantity in place
Peak.
Embodiment 3
A kind of slip casting filled-type polyurethane material, is prepared from by the raw material of following weight:
Wherein, polyether polyol is the mixture of polyether polyol 303 and polyether polyol 204, and both mass ratioes are 1:
1, the two is reused after drying 24h in 105 DEG C, the vacuum drying oven of 0.1atm;
Wherein, isocyanates are PM-200 polymethylene multi-phenenyl isocyanates;
Wherein, the mass ratio of pentane and HFC-245fa is 1:2;
A kind of method that utilization above-mentioned raw materials prepare slip casting filled-type polyurethane material, its step is:
1) successively by 200 parts of polyether polyol (mixture of the quality such as polyether polyol 303 and polyether polyol 204),
12 parts of 1,4- butanediols, 30 parts of triethanolamine, 100 parts of acetone and 50 parts of pentanes and HFC-245fa mixture (wherein just
The mass ratio of pentane and HFC-245fa is 1:2) add reaction cup so as to be sufficiently mixed uniformly, make A material;
2) by step 1) obtained by A material 250 parts of B material PM-200 polymethylene polyphenyl isocyanides are added under stirring
In acid esters, continue stirring, foam during mould is poured into when mixed liquor color will be turned white, after the complete ripening of foam again
Molding, prepares sample.
Step 1) in, the mix homogeneously adopts slow-speed of revolution blender to stir 1 hour in the case where stir speed (S.S.) is for 150 revs/min,
Make its mix homogeneously;
Step 2) in, the stir speed (S.S.) for continuing stirring is 150 revs/min, and mixing time is 0.5 hour.
60 DEG C of dynamic viscosities of slip casting filled-type polyurethane material manufactured in the present embodiment be 4.2mPas, poly- ammonia after solidification
Ester material comprcssive strength is higher, and hardening time is 32s, and the comprcssive strength after its solidification 24h is 9.6MPa;Bending strength is
4.2MPa.It is indicated above that the mechanical property of slip casting filled-type polyurethane material manufactured in the present embodiment is preferable.Polyurethane material
FTIR spectrum is as shown in figure 3, polyurethane is in 1518cm after solidification-1There is obvious N-H characteristic peaks, characteristic peak extinction in place
Degree is less, illustrates that polyurethane content is less;Simultaneously because solidification is not fully, 3578cm-1There are free-OH features in a large number in place
Peak.
Comprehensive comparative analysis understand that polyurethane injecting paste material mechanical property described in embodiment 2 is optimal, i.e., when polyurethane slip casting
The preparing raw material of material consists of polyether polyol:Isocyanates:1,4- butanediols:Triethanolamine:Acetone:Pentane and HFC-
245fa=200:250:12:20:100:When 30, polyurethane injecting paste material mechanical property is optimal.
Claims (4)
1. a kind of slip casting filled-type polyurethane material, it is characterised in that be prepared from by the raw material of following weight:
Parts by weight of raw materials
Polyether polyol 200
Isocyanates 250
1,4- butanediols 12
Triethanolamine 10-30
Acetone 100
Pentane and HFC-245fa 10-50;
The HFC-245fa chemical names are 1,1,1,3,3- pentafluoropropanes.
2. slip casting filled-type polyurethane material according to claim 1, it is characterised in that:The isocyanates are PM-200
Polymethylene multi-phenenyl isocyanate.
3. slip casting filled-type polyurethane material according to claim 1 and 2, it is characterised in that:The polyether polyol is
The mixture of polyether polyol 303 and polyether polyol 204, both mass ratioes are 1:1, the two is in 105 DEG C, the vacuum of 0.1atm
Reuse after 24h is dried in drying baker.
4. slip casting filled-type polyurethane material according to claim 3, it is characterised in that:The pentane and HFC-
The mass ratio of 245fa is 1:2.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107759765A (en) * | 2017-11-20 | 2018-03-06 | 山西省交通科学研究院 | The preparation and its application of high polymer material are reinforced in a kind of big water yield tunnel grouting leak stopping |
CN110183612A (en) * | 2019-05-24 | 2019-08-30 | 山西省交通科技研发有限公司 | A kind of injecting paste material that underground engineering wall surface percolating water is quickly repaired and preparation method |
CN114319546A (en) * | 2022-01-07 | 2022-04-12 | 中冀建勘集团有限公司 | Grouting slurry and underground pipeline grouting method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102558498A (en) * | 2012-01-04 | 2012-07-11 | 山西兆信生物科技有限公司 | Polyurethane reinforcing and filling materials for coal mine |
CN102604367A (en) * | 2012-03-06 | 2012-07-25 | 湖北省京珠高速公路管理处 | Epoxy-polyurethane blending grouting material used for road engineering maintenance |
CN102643531A (en) * | 2012-04-25 | 2012-08-22 | 辽宁工程技术大学 | Self-temperature-limited polyurethane grouting material and preparation method thereof |
US20150210807A1 (en) * | 2012-08-23 | 2015-07-30 | Croda International Plc | Polyurethanes |
CN105175673A (en) * | 2015-06-18 | 2015-12-23 | 山西誉邦科技有限公司 | Coal mine high-water-content and low-heat-generation polyurethane filling material and preparation method thereof |
CN105884990A (en) * | 2016-06-14 | 2016-08-24 | 上海华峰材料科技研究院(有限合伙) | Flame-retardant polyurethane reinforcing and lifting material for coal mines and preparation method thereof |
-
2016
- 2016-12-02 CN CN201611099490.0A patent/CN106543398A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102558498A (en) * | 2012-01-04 | 2012-07-11 | 山西兆信生物科技有限公司 | Polyurethane reinforcing and filling materials for coal mine |
CN102604367A (en) * | 2012-03-06 | 2012-07-25 | 湖北省京珠高速公路管理处 | Epoxy-polyurethane blending grouting material used for road engineering maintenance |
CN102643531A (en) * | 2012-04-25 | 2012-08-22 | 辽宁工程技术大学 | Self-temperature-limited polyurethane grouting material and preparation method thereof |
US20150210807A1 (en) * | 2012-08-23 | 2015-07-30 | Croda International Plc | Polyurethanes |
CN105175673A (en) * | 2015-06-18 | 2015-12-23 | 山西誉邦科技有限公司 | Coal mine high-water-content and low-heat-generation polyurethane filling material and preparation method thereof |
CN105884990A (en) * | 2016-06-14 | 2016-08-24 | 上海华峰材料科技研究院(有限合伙) | Flame-retardant polyurethane reinforcing and lifting material for coal mines and preparation method thereof |
Non-Patent Citations (2)
Title |
---|
刘益军: "《聚氨酯原料及助剂手册》", 31 January 2013, 化学工业出版社 * |
张永成: "《注浆技术》", 31 August 2012, 煤炭工业出版社 * |
Cited By (5)
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CN107759765A (en) * | 2017-11-20 | 2018-03-06 | 山西省交通科学研究院 | The preparation and its application of high polymer material are reinforced in a kind of big water yield tunnel grouting leak stopping |
CN107759765B (en) * | 2017-11-20 | 2020-09-18 | 山西省交通科学研究院 | Preparation and application of high polymer material for grouting, leaking stoppage and reinforcement of large-gushing-water-volume tunnel |
CN110183612A (en) * | 2019-05-24 | 2019-08-30 | 山西省交通科技研发有限公司 | A kind of injecting paste material that underground engineering wall surface percolating water is quickly repaired and preparation method |
CN110183612B (en) * | 2019-05-24 | 2021-09-07 | 山西省交通科技研发有限公司 | Grouting material for quickly repairing underground engineering wall seepage water and preparation method thereof |
CN114319546A (en) * | 2022-01-07 | 2022-04-12 | 中冀建勘集团有限公司 | Grouting slurry and underground pipeline grouting method |
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