CN105482053A - Polymer grouting material for airport runway substratum damage repair - Google Patents
Polymer grouting material for airport runway substratum damage repair Download PDFInfo
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- CN105482053A CN105482053A CN201510970563.8A CN201510970563A CN105482053A CN 105482053 A CN105482053 A CN 105482053A CN 201510970563 A CN201510970563 A CN 201510970563A CN 105482053 A CN105482053 A CN 105482053A
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- grouting material
- damage repair
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- 239000000463 material Substances 0.000 title claims abstract description 60
- 229920000642 polymer Polymers 0.000 title claims abstract description 32
- 230000008439 repair process Effects 0.000 title claims abstract description 27
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims abstract description 39
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 35
- 239000003063 flame retardant Substances 0.000 claims abstract description 19
- 239000004970 Chain extender Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000010881 fly ash Substances 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 13
- 229920001296 polysiloxane Polymers 0.000 claims description 46
- -1 polysiloxane Polymers 0.000 claims description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 22
- 150000002148 esters Chemical class 0.000 claims description 20
- 239000010883 coal ash Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 14
- 229920002209 Crumb rubber Polymers 0.000 claims description 12
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000004902 Softening Agent Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 230000004224 protection Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 6
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 6
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 claims description 6
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 150000004985 diamines Chemical class 0.000 claims description 6
- 239000012757 flame retardant agent Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 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 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical group [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 claims 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 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical class CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005056 polyisocyanate Substances 0.000 claims description 3
- 229920001228 polyisocyanate Polymers 0.000 claims description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 8
- 239000004814 polyurethane Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 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 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000012974 tin catalyst Substances 0.000 abstract 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 6
- 150000002895 organic esters Chemical class 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- KHMVXSQLPUNRCF-UHFFFAOYSA-N DL-Adalin Natural products C1CCC2CC(=O)CC1(CCCCC)N2 KHMVXSQLPUNRCF-UHFFFAOYSA-N 0.000 description 2
- ZIILXGRQGPPPQG-UHFFFAOYSA-N NC(=O)OCC.[C].[C] Chemical compound NC(=O)OCC.[C].[C] ZIILXGRQGPPPQG-UHFFFAOYSA-N 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002483 hydrogen compounds Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000003245 working effect Effects 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
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- C08G18/61—Polysiloxanes
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
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- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
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- C08K3/22—Oxides; Hydroxides of metals
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- 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
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- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a polymer grouting material for airport runway substratum damage repair. The grouting material is prepared by mixing a component A and a component B according to the weight ratio of 1: (0.8 to1.2), wherein the component A is prepared from the following raw material: 60 to 80 parts of polyurethane prepolymer; the component B is prepared from the following raw materials: 20 to 40 parts of polyester polyol, 2 to 8 parts of chain extender, 5 to 15 parts of waste rubber powder, 20 to 40 parts of modified fly ash, 2 to 5 parts of flame retardant, 15 to 25 parts of plasticizer and 0.5 to 1 part of tin catalyst. The polymer grouting material disclosed by the invention overcomes the defects that a traditional polyurethane grouting material is not weather-resistant and short in service life, has the advantages of good water resistance, oil resistance, and heat resistance, simultaneously has the advantages of good elasticity and adhesive property and excellent embedability resistance, and can be applied to repair engineering of airport runway substratum damage.
Description
Technical field
The present invention relates to injecting paste material technical field, particularly relate to a kind of airfield runway basic unit damage repair high polymer grouting material.
Background technology
Existing takeoff and landing runway is all concrete or bituminous material, but due to many reasons, the needs that shortly can not adapt to takeoff and landing are built up on many airfield runway road surfaces, create and such as come to nothing, depression, to arch upward and the various breakoff phenomenon such as crackle, for the disease that these are common and general, if can not punish in time, the fracture on airfield runway road surface and the acceleration decay of Pavement Condition certainly will be caused.
Current, select high-quality, cheap airfield runway basic unit damage repair injecting paste material, science is taked to construct easily, for building basic unit's disease management engineering on new airport, the old airport of reincarnate well, the decision condition createing " doing some things " is the problem that present material investigator must ponder deeply.Recent domestic investigated hot melt polyurethane injecting paste material successively, self cure perfusion liquid polyurethane slurry material and the flat self cure of liquid self-flowing gather many kinds such as sulphur sealing material, instead of early stage widely used hot-melt asphalt injecting paste material, achieve technical progress to some extent, but also there is some shortcomings and have to be overcome.Such as, traditional hot melt polyurethane slurry material expanded by heating in airfield runway basic unit damage repair is serious, often swell road surface, jeopardize takeoff and landing safety, and hot melt slip casting needs Special Equipment, limit the popularization of such injecting paste material.And the water tolerance of general urethane injecting paste material is poor, go to pot because of hydrolysis with the engaging force of cement pavement.
Generally speaking; current injecting paste material is for also slightly inadequate in airfield runway basic unit damage repair; how to develop and a kind of there is good watertight, airtight effect; and there is elasticity, cementability and good weather resistance, weathering resistance, can stand to expand with heat and contract with cold; anticorrosion stretching, compression and not being destroyed; thus play the injecting paste material of the destroyed effect in digital preservation airfield runway road surface, to ensureing that airfield runway is safe and it is significant to have long-term work-ing life.
Summary of the invention
Based on the problem that background technology proposes, the present invention proposes a kind of airfield runway basic unit damage repair high polymer grouting material, described injecting paste material overcomes the shortcoming that conventional urethane injecting paste material is not weather-proof, the life-span is short, it has good water-fast, oil resistant, heat-resisting feature performance benefit, simultaneously elasticity, adhesiveproperties are good, anti-imbedibility is excellent, can be widely used in the repairing work of airfield runway basic unit disease.
The present invention proposes a kind of airfield runway basic unit damage repair high polymer grouting material, described injecting paste material is mixed according to the ratio of weight ratio 1: 0.8-1.2 by component A and B component:
The raw material of described component A comprises by weight: base polyurethane prepolymer for use as 60-80 part;
The raw material of described B component comprises by weight: polyester polyol 20-40 part, chainextender 2-8 part, waste Crumb rubber 5-15 part, modified coal ash 20-40 part, fire retardant 2-5 part, softening agent 15-25 part, tin class catalyzer 0.5-1 part;
Described base polyurethane prepolymer for use as is terminal isocyanate group base polyurethane prepolymer for use as, its preparation method comprises: by polyester polyol, hydroxy-terminated polysiloxane and catalyzer Benzoyl chloride vacuum tightness be ﹣ 0.08-﹣ 0.1MPa, temperature dewaters under being 90-100 DEG C of condition 2-3h, be cooled to 55-65 DEG C, pass into nitrogen and recover normal pressure, under the condition of nitrogen protection, drip isocyanic ester, after insulated and stirred 0.5-1h, be warming up to 75-95 DEG C, stirring reaction 2-4h, vacuum hydro-extraction, obtains described terminal isocyanate group base polyurethane prepolymer for use as; Preferably, the isocyano-content of described base polyurethane prepolymer for use as is 15-25wt%.
Preferably, described polyester polyol is hydroxyl value is 160-240mgKOH/g, functionality is 2-3, and molecular-weight average is the polyester polyol of 1000-4000; Described hydroxy-terminated polysiloxane silicon is both-end hydroxyl polysiloxane, hydroxyl alkyl terminated polysiloxane or the silicone hydroxyl terminated polysiloxane of described both-end hydroxyl polysiloxane to be molecular weight be 500-3000.
Preferably, described isocyanic ester is tolylene diisocyanate, diphenylmethanediisocyanate, isophorone diisocyanate, hexamethylene diisocyanate, PPDI, sub-xylylene diisocyanate, 1, one or more composition in 4-cyclohexyl diisocyanate, naphthalene-1,5-vulcabond or many phenylmethanes polyisocyanates.
Preferably, the weight proportion of polyester polyol, hydroxy-terminated polysiloxane, isocyanic ester is 10:1-3:2-5.Preferably, described modified coal ash is for obtain flyash by KH-550 surface modification, and the particle diameter of wherein said flyash is 5-45um, and its composition comprises by weight percentage: SiO
240-60%, Al
2o
320-35%, CaO3-10%, Fe
2o
35-10%, SO
30.5-5%.
Preferably, described chainextender is made up of 2, the 4-dimethythiotoluene diamines of 3,3'-bis-of 75-80wt% chloro-4,4'-diaminodiphenyl-methanes and 20-25wt%.
Preferably, described fire retardant is the composite flame-retardant agent of aluminium hydroxide and weisspiessglanz composition.
Preferably, described organic tin catalyzer is stannous octoate or dibutyl tin laurate.
Preferably, the preparation method of B component comprises: polyester polyol, chainextender, waste Crumb rubber, modified coal ash, fire retardant, softening agent and tin class catalyzer are mixed, and heating is stirred, and grinding, at 90-100 DEG C, vacuum hydro-extraction 1-3h, obtains B component.
Airfield runway basic unit of the present invention damage repair high polymer grouting material, its main component is end NCO based polyurethanes performed polymer, it is obtained by reacting by polyester polyol, hydroxy-terminated polysiloxane and isocyanic ester three block polymerization, the segment of organosilicon and organic ester is embedded thus in traditional urethane carbon-carbon skeletal chain structure, because silicon-oxygen (Si-O) the key main chain in silicone segments is different from C-C main chain completely, the former bond energy is higher, and bond angle is wider, therefore there is good water tolerance, thermotolerance and ageing resistance, the meanwhile introducing of organic ester, the kindliness of the whole main chain of described performed polymer can be made to strengthen, and show as snappiness, it is embedded in polyurethane backbone, can overcome the elastic shortcoming of reduction performed polymer that silicone segments brings, therefore described base polyurethane prepolymer for use as is by the modification of organosilicon and organic ester, on the basis maintaining the every excellent properties of original base polyurethane prepolymer for use as, also be provided with the characteristic of polysiloxane and polyester, show good low-temperature flexibility, dielectricity, surface enrichment and excellent biocompatibility etc., after described base polyurethane prepolymer for use as solidification, in molecular structure, silicone segments is more prone to surface enrichment orientation, and urethane segment is towards internal layer, this makes the sticking power of obtained injecting paste material, hardness, the mechanical properties such as curing speed significantly improve, organosilicon low surface energy is maintained simultaneously, thus there is better weathering resistance, resistance to deterioration and high thermal resistance.Prepare by above-mentioned base polyurethane prepolymer for use as the high polymer grouting material obtained in the present invention can such as improve stable ultraviolet resistance, weathering resistance, keep between directed application performance and its physicals well balancing to inorganic and that organic substrate is excellent cementability etc.
In addition, the present invention also adds a certain amount of active hydrogen compounds, weighting agent, softening agent, fire retardant and catalyzer in configuration injecting paste material, slurry material solidification rate is regulated with this, cohesiveness is excellent after making gel solidification and between concrete, pitch etc., the induration formed has certain toughness, flame retardant properties, with the ground deformation of adaline long runway and extraneous stress influence; Wherein weighting agent is selected to add waste Crumb rubber and modified coal ash, and modified coal ash, waste Crumb rubber are dispersed in urethane injecting paste material, not only improve the mechanical property of injecting paste material, and improve the cementability on injecting paste material and airfield runway road surface.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Airfield runway basic unit damage repair high polymer grouting material described in the present embodiment, described injecting paste material is mixed according to the ratio of weight ratio 1:0.8 by component A and B component:
The raw material of described component A comprises by weight: base polyurethane prepolymer for use as 60 parts;
The raw material of described B component comprises by weight: polyester polyol 40 parts, chainextender 2 parts, waste Crumb rubber 15 parts, modified coal ash 20 parts, fire retardant 5 parts, 15 parts, softening agent, tin class catalyzer 1 part;
Described base polyurethane prepolymer for use as is terminal isocyanate group base polyurethane prepolymer for use as, its preparation method comprises: by polyester polyol, hydroxy-terminated polysiloxane and catalyzer Benzoyl chloride are ﹣ 0.08MPa in vacuum tightness, temperature is the 2h that dewaters under 100 DEG C of conditions, be cooled to 65 DEG C, pass into nitrogen and recover normal pressure, under the condition of nitrogen protection, drip isocyanic ester, after insulated and stirred 0.5h, be warming up to 95 DEG C, stirring reaction 2h, vacuum hydro-extraction, obtain described terminal isocyanate group base polyurethane prepolymer for use as, wherein polyester polyol, hydroxy-terminated polysiloxane, the weight proportion of isocyanic ester is 10:1:5, described polyester polyol is hydroxyl value is 160mgKOH/g, functionality is 3, and molecular-weight average is the polyester polyol of 1000, described hydroxy-terminated polysiloxane silicon is both-end hydroxyl polysiloxane, described both-end hydroxyl polysiloxane to be molecular weight be 3000 hydroxyl alkyl terminated polysiloxane, described isocyanic ester is the composition of tolylene diisocyanate, diphenylmethanediisocyanate, the isocyano-content of described base polyurethane prepolymer for use as is 15wt%,
Described modified coal ash is for obtain flyash by KH-550 surface modification, and the particle diameter of wherein said flyash is 5um, and its composition comprises by weight percentage: SiO
260%, Al
2o
320%, CaO10%, Fe
2o
35%, SO
35%; Described chainextender is made up of 2, the 4-dimethythiotoluene diamines of 3,3'-bis-of 75wt% chloro-4,4'-diaminodiphenyl-methanes and 25wt%; Described fire retardant is the composite flame-retardant agent of aluminium hydroxide and weisspiessglanz composition; Described organic tin catalyzer is stannous octoate.
Embodiment 2
Airfield runway basic unit damage repair high polymer grouting material described in the present embodiment, described injecting paste material is mixed according to the ratio of weight ratio 1:1.2 by component A and B component:
The raw material of described component A comprises by weight: base polyurethane prepolymer for use as 80 parts;
The raw material of described B component comprises by weight: polyester polyol 20 parts, chainextender 8 parts, waste Crumb rubber 5 parts, modified coal ash 40 parts, fire retardant 2 parts, 25 parts, softening agent, tin class catalyzer 0.5 part;
Described base polyurethane prepolymer for use as is terminal isocyanate group base polyurethane prepolymer for use as, its preparation method comprises: by polyester polyol, hydroxy-terminated polysiloxane and catalyzer Benzoyl chloride are ﹣ 0.1MPa in vacuum tightness, temperature is the 3h that dewaters under 90 DEG C of conditions, be cooled to 55 DEG C, pass into nitrogen and recover normal pressure, under the condition of nitrogen protection, drip isocyanic ester, after insulated and stirred 1h, be warming up to 75 DEG C, stirring reaction 4h, vacuum hydro-extraction, obtain described terminal isocyanate group base polyurethane prepolymer for use as, wherein polyester polyol, hydroxy-terminated polysiloxane, the weight proportion of isocyanic ester is 10:3:2, described polyester polyol is hydroxyl value is 240mgKOH/g, functionality is 2, and molecular-weight average is the polyester polyol of 4000, described hydroxy-terminated polysiloxane silicon is both-end hydroxyl polysiloxane, described both-end hydroxyl polysiloxane to be molecular weight be 500 silicone hydroxyl terminated polysiloxane, described isocyanic ester is the composition of isophorone diisocyanate, hexamethylene diisocyanate, the isocyano-content of described base polyurethane prepolymer for use as is 25wt%,
Described modified coal ash is for obtain flyash by KH-550 surface modification, and the particle diameter of wherein said flyash is 45um, and its composition comprises by weight percentage: SiO
250%, Al
2o
335%, CaO3%, Fe
2o
310%, SO
32%; Described chainextender is made up of 2, the 4-dimethythiotoluene diamines of 3,3'-bis-of 80wt% chloro-4,4'-diaminodiphenyl-methanes and 20wt%; Described fire retardant is the composite flame-retardant agent of aluminium hydroxide and weisspiessglanz composition; Described organic tin catalyzer is dibutyl tin laurate.
Embodiment 3
Airfield runway basic unit damage repair high polymer grouting material described in the present embodiment, described injecting paste material is mixed according to the ratio of weight ratio 1:1.0 by component A and B component:
The raw material of described component A comprises by weight: base polyurethane prepolymer for use as 70 parts;
The raw material of described B component comprises by weight: polyester polyol 30 parts, chainextender 5 parts, waste Crumb rubber 10 parts, modified coal ash 30 parts, fire retardant 3 parts, 20 parts, softening agent, tin class catalyzer 0.7 part;
Described base polyurethane prepolymer for use as is terminal isocyanate group base polyurethane prepolymer for use as, its preparation method comprises: by polyester polyol, hydroxy-terminated polysiloxane and catalyzer Benzoyl chloride are ﹣ 0.09MPa in vacuum tightness, temperature is the 2.5h that dewaters under 95 DEG C of conditions, be cooled to 60 DEG C, pass into nitrogen and recover normal pressure, under the condition of nitrogen protection, drip isocyanic ester, after insulated and stirred 0.7h, be warming up to 85 DEG C, stirring reaction 3h, vacuum hydro-extraction, obtain described terminal isocyanate group base polyurethane prepolymer for use as, wherein polyester polyol, hydroxy-terminated polysiloxane, the weight proportion of isocyanic ester is 10:2:3, described polyester polyol is hydroxyl value is 200mgKOH/g, functionality is 3, and molecular-weight average is the polyester polyol of 2000, described hydroxy-terminated polysiloxane silicon is both-end hydroxyl polysiloxane, described both-end hydroxyl polysiloxane to be molecular weight be 2000 hydroxyl alkyl terminated polysiloxane, described isocyanic ester is PPDI, the isocyano-content of described base polyurethane prepolymer for use as is 20wt%,
Described modified coal ash is for obtain flyash by KH-550 surface modification, and the particle diameter of wherein said flyash is 30um, and its composition comprises by weight percentage: SiO
255%, Al
2o
330%, CaO8%, Fe
2o
36.5%, SO
30.5%; Described chainextender is made up of 2, the 4-dimethythiotoluene diamines of 3,3'-bis-of 76wt% chloro-4,4'-diaminodiphenyl-methanes and 24wt%; Described fire retardant is the composite flame-retardant agent of aluminium hydroxide and weisspiessglanz composition; Described organic tin catalyzer is stannous octoate.
Embodiment 4
Airfield runway basic unit damage repair high polymer grouting material described in the present embodiment, described injecting paste material is mixed according to the ratio of weight ratio 1:0.9 by component A and B component:
The raw material of described component A comprises by weight: base polyurethane prepolymer for use as 75 parts;
The raw material of described B component comprises by weight: polyester polyol 25 parts, chainextender 6 parts, waste Crumb rubber 12 parts, modified coal ash 25 parts, fire retardant 4 parts, 22 parts, softening agent, tin class catalyzer 0.8 part;
Described base polyurethane prepolymer for use as is terminal isocyanate group base polyurethane prepolymer for use as, its preparation method comprises: by polyester polyol, hydroxy-terminated polysiloxane and catalyzer Benzoyl chloride are ﹣ 0.09MPa in vacuum tightness, temperature is the 2.6h that dewaters under 96 DEG C of conditions, be cooled to 62 DEG C, pass into nitrogen and recover normal pressure, under the condition of nitrogen protection, drip isocyanic ester, after insulated and stirred 0.8h, be warming up to 80 DEG C, stirring reaction 3h, vacuum hydro-extraction, obtain described terminal isocyanate group base polyurethane prepolymer for use as, wherein polyester polyol, hydroxy-terminated polysiloxane, the weight proportion of isocyanic ester is 10:2:4, described polyester polyol is hydroxyl value is 220mgKOH/g, functionality is 2.5, and molecular-weight average is the polyester polyol of 3000, described hydroxy-terminated polysiloxane silicon is both-end hydroxyl polysiloxane, described both-end hydroxyl polysiloxane to be molecular weight be 1000 silicone hydroxyl terminated polysiloxane, described isocyanic ester is the composition of sub-xylylene diisocyanate, Isosorbide-5-Nitrae-cyclohexyl diisocyanate, naphthalene-1,5-vulcabond, many phenylmethanes polyisocyanates, the isocyano-content of described base polyurethane prepolymer for use as is 22wt%,
Described modified coal ash is for obtain flyash by KH-550 surface modification, and the particle diameter of wherein said flyash is 20um, and its composition comprises by weight percentage: SiO
245%, Al
2o
335%, CaO10%, Fe
2o
35%, SO
35%; Described chainextender is made up of 2, the 4-dimethythiotoluene diamines of 3,3'-bis-of 78wt% chloro-4,4'-diaminodiphenyl-methanes and 22wt%; Described fire retardant is the composite flame-retardant agent of aluminium hydroxide and weisspiessglanz composition; Described organic tin catalyzer is dibutyl tin laurate.
Carry out performance test to the airfield runway basic unit damage repair high polymer grouting material of embodiment 1-4, its each performance is as shown in table 1 below:
The table 1 embodiment 1-4 gained airfield runway basic unit damage repair the performance test results of high polymer grouting material
Airfield runway basic unit of the present invention damage repair high polymer grouting material, its main component is end NCO based polyurethanes performed polymer, it is obtained by reacting by polyester polyol, hydroxy-terminated polysiloxane and isocyanic ester three block polymerization, the segment of organosilicon and organic ester is embedded thus in traditional urethane carbon-carbon skeletal chain structure, because silicon-oxygen (Si-O) the key main chain in silicone segments is different from C-C main chain completely, the former bond energy is higher, and bond angle is wider, therefore there is good water tolerance, thermotolerance and ageing resistance, the meanwhile introducing of organic ester, the kindliness of the whole main chain of described performed polymer can be made to strengthen, and show as snappiness, it is embedded in polyurethane backbone, can overcome the elastic shortcoming of reduction performed polymer that silicone segments brings, therefore described base polyurethane prepolymer for use as is by the modification of organosilicon and organic ester, on the basis maintaining the every excellent properties of original base polyurethane prepolymer for use as, also be provided with the characteristic of polysiloxane and polyester, show good low-temperature flexibility, dielectricity, surface enrichment and excellent biocompatibility etc., after described base polyurethane prepolymer for use as solidification, in molecular structure, silicone segments is more prone to surface enrichment orientation, and urethane segment is towards internal layer, this makes the sticking power of obtained injecting paste material, hardness, the mechanical properties such as curing speed significantly improve, organosilicon low surface energy is maintained simultaneously, thus there is better weathering resistance, resistance to deterioration and high thermal resistance.Prepare by above-mentioned base polyurethane prepolymer for use as the high polymer grouting material obtained in the present invention can such as improve stable ultraviolet resistance, weathering resistance, keep between directed application performance and its physicals well balancing to inorganic and that organic substrate is excellent cementability etc.
In addition, the present invention also adds a certain amount of active hydrogen compounds, weighting agent, softening agent, fire retardant and catalyzer in configuration injecting paste material, slurry material solidification rate is regulated with this, cohesiveness is excellent after making gel solidification and between concrete, pitch etc., the induration formed has certain toughness, flame retardant properties, with the ground deformation of adaline long runway and extraneous stress influence; Wherein weighting agent is selected to add waste Crumb rubber and modified coal ash, and modified coal ash, waste Crumb rubber are dispersed in urethane injecting paste material, not only improve the mechanical property of injecting paste material, and improve the cementability on injecting paste material and airfield runway road surface.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. an airfield runway basic unit damage repair high polymer grouting material, is characterized in that, described injecting paste material is mixed according to the ratio of weight ratio 1:0.8-1.2 by component A and B component:
The raw material of described component A comprises by weight: base polyurethane prepolymer for use as 60-80 part;
The raw material of described B component comprises by weight: polyester polyol 20-40 part, chainextender 2-8 part, waste Crumb rubber 5-15 part, modified coal ash 20-40 part, fire retardant 2-5 part, softening agent 15-25 part, tin class catalyzer 0.5-1 part;
Described base polyurethane prepolymer for use as is terminal isocyanate group base polyurethane prepolymer for use as, its preparation method comprises: by polyester polyol, hydroxy-terminated polysiloxane and catalyzer Benzoyl chloride vacuum tightness be ﹣ 0.08-﹣ 0.1MPa, temperature dewaters under being 90-100 DEG C of condition 2-3h, be cooled to 55-65 DEG C, pass into nitrogen and recover normal pressure, under the condition of nitrogen protection, drip isocyanic ester, after insulated and stirred 0.5-1h, be warming up to 75-95 DEG C, stirring reaction 2-4h, vacuum hydro-extraction, obtains described terminal isocyanate group base polyurethane prepolymer for use as; Preferably, the isocyano-content of described base polyurethane prepolymer for use as is 15-25wt%.
2. airfield runway basic unit according to claim 1 damage repair high polymer grouting material, is characterized in that, described polyester polyol is hydroxyl value is 160-240mgKOH/g, functionality is 2-3, and molecular-weight average is the polyester polyol of 1000-4000; Described hydroxy-terminated polysiloxane silicon is both-end hydroxyl polysiloxane, hydroxyl alkyl terminated polysiloxane or the silicone hydroxyl terminated polysiloxane of described both-end hydroxyl polysiloxane to be molecular weight be 500-3000.
3. airfield runway basic unit according to claim 1 and 2 damage repair high polymer grouting material, it is characterized in that, described isocyanic ester is tolylene diisocyanate, diphenylmethanediisocyanate, isophorone diisocyanate, hexamethylene diisocyanate, PPDI, sub-xylylene diisocyanate, 1, one or more composition in 4-cyclohexyl diisocyanate, naphthalene-1,5-vulcabond or many phenylmethanes polyisocyanates.
4. the airfield runway basic unit damage repair high polymer grouting material according to any one of claim 1-3, is characterized in that, the weight proportion of polyester polyol, hydroxy-terminated polysiloxane, isocyanic ester is 10:1-3:2-5.
5. the airfield runway basic unit damage repair high polymer grouting material according to any one of claim 1-4, it is characterized in that, described modified coal ash is for obtain flyash by KH-550 surface modification, the particle diameter of wherein said flyash is 5-45um, and its composition comprises by weight percentage: SiO
240-60%, Al
2o
320-35%, CaO3-10%, Fe
2o
35-10%, SO
30.5-5%.
6. the airfield runway basic unit damage repair high polymer grouting material according to any one of claim 1-5, it is characterized in that, described chainextender is by 3,3'-bis-chloro-4 of 75-80wt%, 2, the 4-dimethythiotoluene diamine compositions of 4'-diaminodiphenyl-methane and 20-25wt%.
7. the airfield runway basic unit damage repair high polymer grouting material according to any one of claim 1-6, is characterized in that, described fire retardant is the composite flame-retardant agent of aluminium hydroxide and weisspiessglanz composition.
8. the airfield runway basic unit damage repair high polymer grouting material according to any one of claim 1-7, it is characterized in that, described organic tin catalyzer is stannous octoate or dibutyl tin laurate.
9. the airfield runway basic unit damage repair high polymer grouting material according to any one of claim 1-8, it is characterized in that, the preparation method of B component comprises: polyester polyol, chainextender, waste Crumb rubber, modified coal ash, fire retardant, softening agent and tin class catalyzer are mixed, heating, stir, grinding, at 90-100 DEG C, vacuum hydro-extraction 1-3h, obtains B component.
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