CN102099421A - Urethane elastomer filler - Google Patents
Urethane elastomer filler Download PDFInfo
- Publication number
- CN102099421A CN102099421A CN2009801279828A CN200980127982A CN102099421A CN 102099421 A CN102099421 A CN 102099421A CN 2009801279828 A CN2009801279828 A CN 2009801279828A CN 200980127982 A CN200980127982 A CN 200980127982A CN 102099421 A CN102099421 A CN 102099421A
- Authority
- CN
- China
- Prior art keywords
- packing material
- polyurethane elastomer
- polyvalent alcohol
- concrete layer
- lining concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920006311 Urethane elastomer Polymers 0.000 title abstract description 4
- 239000000945 filler Substances 0.000 title abstract description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims abstract description 17
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 16
- 229920000570 polyether Polymers 0.000 claims abstract description 16
- 125000000524 functional group Chemical group 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 125
- 238000012856 packing Methods 0.000 claims description 84
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 49
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 43
- 239000004902 Softening Agent Substances 0.000 claims description 33
- -1 aromatic series hydrocarbon Chemical class 0.000 claims description 32
- 239000003566 sealing material Substances 0.000 claims description 32
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 31
- 239000004215 Carbon black (E152) Substances 0.000 claims description 29
- 229930195733 hydrocarbon Natural products 0.000 claims description 26
- 150000002513 isocyanates Chemical class 0.000 claims description 22
- 239000012948 isocyanate Substances 0.000 claims description 21
- 238000004078 waterproofing Methods 0.000 claims description 15
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 14
- ZEMPKEQAKRGZGQ-AAKVHIHISA-N 2,3-bis[[(z)-12-hydroxyoctadec-9-enoyl]oxy]propyl (z)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCCC(O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(O)CCCCCC)COC(=O)CCCCCCC\C=C/CC(O)CCCCCC ZEMPKEQAKRGZGQ-AAKVHIHISA-N 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 12
- 239000005056 polyisocyanate Substances 0.000 abstract description 10
- 229920001228 polyisocyanate Polymers 0.000 abstract description 10
- 150000003077 polyols Chemical class 0.000 abstract description 5
- 239000004014 plasticizer Substances 0.000 abstract description 4
- 229920005862 polyol Polymers 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 29
- 230000015572 biosynthetic process Effects 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 230000007812 deficiency Effects 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 239000003513 alkali Substances 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- GNPWYHFXSMINJQ-UHFFFAOYSA-N 1,2-dimethyl-3-(1-phenylethyl)benzene Chemical compound C=1C=CC(C)=C(C)C=1C(C)C1=CC=CC=C1 GNPWYHFXSMINJQ-UHFFFAOYSA-N 0.000 description 5
- 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 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- AZYRZNIYJDKRHO-UHFFFAOYSA-N 1,3-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC(C(C)(C)N=C=O)=C1 AZYRZNIYJDKRHO-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical class [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 1
- PCHXZXKMYCGVFA-UHFFFAOYSA-N 1,3-diazetidine-2,4-dione Chemical compound O=C1NC(=O)N1 PCHXZXKMYCGVFA-UHFFFAOYSA-N 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N 1,4-butanediol Substances OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- QORUGOXNWQUALA-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 QORUGOXNWQUALA-UHFFFAOYSA-N 0.000 description 1
- AYDQIZKZTQHYIY-UHFFFAOYSA-N OC(=O)C1(C)CC(C(O)=O)=CC=C1 Chemical compound OC(=O)C1(C)CC(C(O)=O)=CC=C1 AYDQIZKZTQHYIY-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 229960001777 castor oil Drugs 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 description 1
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 229940059574 pentaerithrityl Drugs 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- UOHMMEJUHBCKEE-UHFFFAOYSA-N tetramethylbenzene Natural products CC1=CC=C(C)C(C)=C1C UOHMMEJUHBCKEE-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- 229960004418 trolamine Drugs 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 125000006839 xylylene group Chemical group 0.000 description 1
Images
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
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Polyurethanes Or Polyureas (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Disclosed is a urethane elastomer filler which comprises (A) an organic polyisocyanate, (B) a polyol mainly composed of a polyether polyol (b1) having an average number of functional groups of 2 to 4 and a number average molecular weight of 1000 or less, and (C) an aromatic hydrocarbon plasticizer mainly composed of an aromatic hydrocarbon (c1), wherein the content of the aromatic hydrocarbon plasticizer (C) is 10 to 100 parts by mass relative to 100 parts by mass of the organic polyisocyanate (A).
Description
Technical field
The present invention relates to can be used as the polyurethane elastomer packing material of sealing material of the works of building, building etc., especially the polyurethane elastomer packing material of the sealing material of the works of useful as concrete.
Background technology
In the past, in the works of building, building,, adopted the method for in the slit of works, filling sealing material in order to tackle the leaking of works, to repair the slit that produces by vibration etc.
As the used sealing material of such method, the sealing material of polyurathamc system is for example disclosed in the TOHKEMY 2007-197534 communique (patent documentation 1).Yet the sealing material of such polyurathamc of record system has following problem in the patent documentation 1: the shortcoming flexibility, therefore produce be full of cracks because of the vibration of earthquake etc. easily, and this be full of cracks can become the reason of leaking.In addition, as the used sealing material of such method, the general sealing material that uses the form of injecting with caulking gun (caulk gun), for example disclosing with modified silicone, modified polyurethane, silicone, urethane, vinylformic acid etc. in the TOHKEMY 2005-350893 communique (patent documentation 2) is the sealing material of material.Yet, the viscosity height of so existing sealing material under normal temperature (for example 15～30 ℃) of record in the patent documentation 2, in addition working life short, be easy to tackify, therefore have the problem that can't inject operation for a long time, be difficult to inject the problem of sealing material to soaking into the fine slit that needs the time.And then when such sealing material was used for concrete works, from the viewpoint at concrete patience, it need have alkali resistance, but such sealing material of record is not enough from the alkali resistance viewpoint yet in the above-mentioned patent documentation 1～2.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2007-197534 communique
Patent documentation 2: TOHKEMY 2005-350893 communique
Summary of the invention
The problem that invention will solve
The present invention finishes in view of the problem that above-mentioned prior art had, its purpose is to provide following polyurethane elastomer packing material: it can form has excellent in impact resistance and alkali-proof fill material forming body, and sufficiently long, the viscosity under normal temperature (for example 15～30 ℃) are enough low working life, therefore can inject operation for a long time and can be injected into fine slit.
The scheme that is used to deal with problems
The inventor has carried out deep research to achieve these goals and repeatedly, found that, utilization contains specific polyvalent alcohol and contains the polyurethane elastomer packing material of the aromatic series hydrocarbon system softening agent of specified quantitative, can form and have excellent in impact resistance and alkali-proof fill material forming body, and sufficiently long, the viscosity under normal temperature (for example 15～30 ℃) are enough low working life, therefore can inject operation for a long time and can be injected into fine slit, thereby finish the present invention.
Polyurethane elastomer packing material of the present invention contains: organic multiple isocyanate (A) and with average functional group several 2～4 and number-average molecular weight the polyether glycol (b1) below 1000 is the polyvalent alcohol (B) of main component and is the aromatic series hydrocarbon system softening agent (C) of main component with aromatic hydrocarbons (c1), with respect to 100 mass parts organic multiple isocyanates (A), the content of aforementioned aromatic series hydrocarbon system softening agent (C) is in the scope of 10～100 mass parts.
In addition, in polyurethane elastomer packing material of the present invention, it is polyvalent alcohol that aforementioned polyvalent alcohol (B) preferably contains Viscotrol C.
And then, polyurethane elastomer packing material of the present invention can be especially aptly use as the packing material that is used to form the tunnel water proofing structure, and described tunnel water proofing structure possesses: be formed at ground (natural ground) inner face in tunnel the once lining concrete layer, be formed at aforementioned once lining concrete layer inner face side the secondary lining concrete layer and be formed at aforementioned once lining concrete layer and aforementioned secondary lining concrete layer between waterproof sheet layer and lining cutting sealing material layer.
The effect of invention
According to the present invention, following polyurethane elastomer packing material can be provided: it can form has excellent in impact resistance and alkali-proof fill material forming body, and sufficiently long, the viscosity under normal temperature (for example 15～30 ℃) are enough low working life, therefore can inject operation for a long time and can be injected into fine slit.
Description of drawings
Fig. 1 is the side diagrammatic cross-section of an example in the tunnel (part of upside) of the tunnel water proofing structure of demonstration use polyurethane elastomer packing material formation of the present invention.
Description of reference numerals
1: ground
2: the once lining concrete layer
3: the waterproof sheet layer
4: lining cutting sealing material layer
5: the secondary lining concrete layer
6: the sealing material filling orifice
Embodiment
The embodiment that following basis is suitable describes the present invention in detail.
Polyurethane elastomer packing material of the present invention contains: organic multiple isocyanate (A) and with average functional group several 2～4 and number-average molecular weight the polyether glycol (b1) below 1000 is the polyvalent alcohol (B) of main component and is the aromatic series hydrocarbon system softening agent (C) of main component with aromatic hydrocarbons (c1), with respect to 100 mass parts organic multiple isocyanates (A), the content of aforementioned aromatic series hydrocarbon system softening agent (C) is in the scope of 10～100 mass parts.
Organic multiple isocyanate of the present invention (A) is not particularly limited, and can use known organic multiple isocyanate.As such organic multiple isocyanate (A), for example can list modified polyisocyanates such as the polyisocyanates of fragrant family, alicyclic ring family, fatty family and their polyurethane-modified thing, allophanate-modified thing, urea diketone (uretdione) modifier, isocyanurate-modified thing, carbodiimide modifier, uretonimine (uretonimine) modifier, urea modifier, biuret modified thing.
As aforementioned fragrant family polyisocyanates, for example can list tolylene diisocyanate (following abbreviate as sometimes " TDI "), diphenylmethanediisocyanate (following abbreviate as sometimes " MDI "), naphthalene diisocyanate, triphenylmethane triisocyanate, xylylene vulcabond (following abbreviate as sometimes " XDI "), tetramethyl-benzene dimethyl vulcabond (following abbreviate as sometimes " TMXDI "), poly methylene poly phenyl poly isocyanate (following abbreviate as sometimes " P-MDI ") etc.In addition, these fragrant family polyisocyanates comprise the single component and the mixture of various isomers separately.In addition, as aforementioned alicyclic ring family polyisocyanates, can list cyclohexyl-methane vulcabond, cyclohexyl diisocyanate, isophorone diisocyanate, hydrogenation MDI, hydrogenation TDI, hydrogenation XDI, hydrogenation TMXDI etc.And then the fatty family polyisocyanates as such can list hexamethylene diisocyanate, lysinediisocyanate etc.In these organic multiple isocyanates (A), from the height of viscosity and to the viewpoint of the influence of environment, fragrant family polyisocyanates is preferred, and MDI is preferred.In addition, these organic multiple isocyanates (A) can use a kind or will be used in combination more than 2 kinds separately.
Polyvalent alcohol of the present invention (B) is a main component with the polyether glycol (b1) of following explanation.
The average functional group number of polyether glycol of the present invention (b1) be 2～4 and number-average molecular weight be below 1000.In such polyether glycol (b1), average functional group number need be 2～4.Average functional group number is lower than at 2 o'clock, use physical strength (tensile strength, elongation etc.) the meeting deficiency of the fill material forming body of gained packing material formation, on the other hand, average functional group number was above 4 o'clock, the viscosity of gained packing material can be too high, uses the flexibility meeting deficiency of the fill material forming body of gained packing material formation simultaneously.
In addition, in such polyether glycol (b1), number-average molecular weight need be for below 1000, more preferably 200～1000 scope.Number-average molecular weight surpasses at 1000 o'clock, and the viscosity of gained packing material can be too high, uses physical strength (tensile strength, elongation etc.) the meeting deficiency of the fill material forming body of gained packing material formation simultaneously.On the other hand, number-average molecular weight is lower than at 200 o'clock, and its reactive meeting is too high, thereby tends to the working life of gained packing material shorten.
As aforementioned polyether glycol (b1), the hydroxy-containing compounds that can enumerate to have 1～4 hydroxyl in 1 molecule is an initiator, makes oxiranes such as oxyethane, propylene oxide carry out addition reaction and the material that obtains.As such hydroxy-containing compounds, for example can list methyl alcohol, ethanol, alcohols such as propyl alcohol, monoethanolamine, diethanolamine, alkanol amines such as trolamine, tolylene diamine, quadrol, Diethylenetriamine, ammonia, aniline, dimethylphenylene diamine, amine compounds such as polyamines class such as diaminodiphenyl-methane, ethylene glycol, propylene glycol, butyleneglycol, Diethylene Glycol, dipropylene glycol, trimethylene, tetramethylene glycol, hexamethylene glycol, the decamethylene glycol, neopentyl glycol, the 3-methyl isophthalic acid, the 5-pentanediol, glycerine, TriMethylolPropane(TMP), polyvalent alcohols such as tetramethylolmethane.These hydroxy-containing compounds can use a kind or will be used in combination more than 2 kinds separately.In addition, in these polyether glycols (b1), many from low viscosity and hydrophobic ingredient, as not to be subject to water influence viewpoints are that the propylene oxide adduct of initiator is preferred with the propylene glycol.
In such polyvalent alcohol (B), the content of aforementioned polyether glycol (b1) is preferably more than the 70 quality % with respect to the total mass of polyvalent alcohol (B), more preferably more than the 80 quality %.The content of the polyether glycol (b1) in the aforementioned polyvalent alcohol (B) is lower than aforementionedly down in limited time reactively understand slowly, in addition, used the physical strength of the fill material forming body of gained packing material formation to tend to deficiency.
In addition, to be preferably the equivalence ratio that makes with respect to the isocyanate group of active hydrogen base be amount in the aftermentioned scope to the content of the aforementioned polyvalent alcohol (B) in the polyurethane elastomer packing material of the present invention.
And then polyvalent alcohol of the present invention (B) preferably also contains Viscotrol C except that aforementioned polyether glycol (b1) be polyvalent alcohol.Be polyvalent alcohol by containing Viscotrol C like this, make the JIS-A hardness of the fill material forming body that use gained packing material forms tend to uprise.As such Viscotrol C is polyvalent alcohol, can list Viscotrol C and modified castor oil (with polyalcohol modified castor-oil plant wet goods such as TriMethylolPropane(TMP), tetramethylolmethanes).In addition, when using such Viscotrol C to be polyvalent alcohol, Viscotrol C be the content of polyvalent alcohol with respect to the total mass of polyvalent alcohol (B) preferably in the scope of 5～30 quality %.
In addition, the polyvalent alcohol except that aforementioned polyether glycol (b1) and Viscotrol C are polyvalent alcohol as can be used for polyvalent alcohol of the present invention (B) for example can list polyester polyol, polycarbonate polyol, polybutadiene polyol.
Aromatic series hydrocarbon system softening agent of the present invention (C) is a main component with aromatic hydrocarbons (c1).In addition, aromatic hydrocarbons of the present invention (c1) is meant the monocycle of demonstration aromatic series or the hydrocarbon compound that a plurality of ring constitutes.And such aromatic hydrocarbons (c1) is not particularly limited, and preferred boiling point is more than 150 ℃.As such aromatic hydrocarbons (c1), for example can list Ipzole 150, the Ruetasolv DI that Rutgers Kureha Solvents GmbH company makes, the SWAZOLE 1800 that ball is apt to the manufacturing of petroleum chemistry company of the emerging product of SAS-296, the bright dipping company manufacturing of Nippon Oil(Nippon Mitsubishi Oil) company manufacturing.
In the present invention, owing to use like this aromatic series hydrocarbon system softening agent (C), therefore can be not the alkali resistance of using the fill material forming body that the gained packing material forms not be produced detrimentally affect ground and adjust the viscosity of packing material, the physical strength of fill material forming body as a plasticiser component.
As such aromatic series hydrocarbon system softening agent (C), except that aromatic hydrocarbons (c1), also can use the material that contains aliphatic hydrocarbon, in such aromatic series hydrocarbon system softening agent (C), the content of aforementioned aromatic hydrocarbons (c1) is preferably more than the 80 quality % with respect to the total mass of aromatic series hydrocarbon system softening agent (C), more preferably more than the 90 quality %, be preferably 100 quality % especially.The content of the aromatic hydrocarbons (c1) in the aforementioned aromatic series hydrocarbon system softening agent (C) is lower than aforementioned in limited time following, has the tendency of oozing out in the gained packing material easily.
In addition, as such aromatic series hydrocarbon system softening agent (C), can use commercially available product, for example can list SAS-296, Mineral Spirit A etc. that Nippon Oil(Nippon Mitsubishi Oil) company makes, the Solvesso 100 that Exxon chemical company makes etc., the SWAZOLE 1800 that the kind petroleum chemistry company of ball makes etc., the Ipzole150 that the emerging product of bright dipping company makes etc., the Ruetasolv DI that Rutgers Kureha Solvents GmbH company makes etc.
And then in the present invention, with respect to 100 mass parts organic multiple isocyanates (A), the content of such aromatic series hydrocarbon system softening agent (C) need be in the scope of 10～100 mass parts, more preferably in the scope of 10～50 mass parts.When the content of aromatic series hydrocarbon system softening agent (C) was lower than 10 mass parts, the viscosity of gained packing material can be too high, uses flexibility, the elongation meeting deficiency of the fill material forming body of gained packing material formation simultaneously.On the other hand, when the content of aromatic series hydrocarbon system softening agent (C) surpasses 100 mass parts, use the tensile strength meeting deficiency of the fill material forming body of gained packing material formation.
Polyurethane elastomer packing material of the present invention contains aforementioned organic multiple isocyanate (A), aforementioned polyvalent alcohol (B) and aforementioned aromatic series hydrocarbon system softening agent (C).Such polyurethane elastomer packing material for example can obtain by aforementioned organic multiple isocyanate (A) is mixed with the polyvalent alcohol Preblend that contains aforementioned polyvalent alcohol (B) and aforementioned aromatic series hydrocarbon system softening agent (C)., be not particularly limited aforementioned organic multiple isocyanate (A) and aforementioned polyvalent alcohol Preblend blended method as like this, for example can adopt the blended method of carrying out under 15～30 ℃ temperature with stirrer 0.5～5 minute.In addition, such polyurethane elastomer packing material can further contain other added ingredientss as required, for example antioxidant, UV light absorber, heat resistance improver, defoamer, flow agent, tinting material, inorganic and organic filler material, lubricant, static inhibitor, reinforcement material.
In addition, isocyanate group is preferably the scope of 0.50/1.00～2.00/1.00, the more preferably scope of 0.80/1.00～1.50/1.00 with respect to the equivalence ratio (NCO/OH) of the active hydrogen base in the polyurethane elastomer packing material of the present invention (total amount of the active hydrogen base of polyvalent alcohol).Isocyanate group is lower than above-mentioned in limited time following with respect to the equivalence ratio of active hydrogen base, it is uncured that the gained packing material becomes easily, in addition, use the physical strength (tensile strength) of the fill material forming body of gained packing material formation to tend to deficiency, on the other hand, surpass aforementioned going up in limited time, use the flexibility of the fill material forming body of gained packing material formation to tend to deficiency.
In polyurethane elastomer packing material of the present invention, the mixing viscosity when 20 ℃ of atmosphere temperatures use down is preferably below the 1000mPas, more preferably below the 500mPas.Viscosity surpasses aforementioned going up in limited time, has to be difficult to the gained packing material is injected into tendency in the fine slit.In addition, in the present invention, even aforementioned organic multiple isocyanate (A) is mixed with aforementioned polyvalent alcohol Preblend, when under the atmosphere of 20 ℃ of temperature, placing 1 hour then, mixing viscosity when 20 ℃ of atmosphere temperatures use down is preferably below also as 1000mPas, for being preferred below the 500mPas.So, in the present invention, aforementioned organic multiple isocyanate (A) is mixed with aforementioned polyvalent alcohol Preblend, when under the atmosphere of 20 ℃ of temperature, placing then, can make time, the working life of being that can use the polyurethane elastomer packing material is more than 1 hour, also can be more than 2 hours.So, sufficiently long working life of polyurethane elastomer packing material of the present invention, to mix viscosity enough low, therefore can inject operation for a long time, also packing material can be injected in the fine slit in addition.
And then, under 0～40 ℃ of temperature, carry out 24～168 hours curing by making polyurethane elastomer packing material of the present invention, can obtain the fill material forming body.From the viewpoint of flexibility and shock-resistance, the JIS-A hardness of such fill material forming body is preferably 30～90 scope, more preferably 40～70 scope.It is the method for foundation that such JIS-A hardness can be utilized with the method for putting down in writing among the JIS K6253, uses the A type hardness tester to measure meter (JIS-A sclerometer) and measures.
More than Shuo Ming polyurethane elastomer packing material of the present invention can form and have excellent in impact resistance and alkali-proof fill material forming body, and sufficiently long, the viscosity under normal temperature (for example 15～30 ℃) are enough low working life, therefore can inject operation for a long time and can be injected into fine slit.Therefore, polyurethane elastomer packing material of the present invention can be aptly uses as the sealing material of the works of building, building etc., can be especially aptly uses as the sealing material of the tunnel water proofing structure that is used to form the watertight type sheet material waterproofing work (watertinght type sheet waterproofing) of having used lofty mountains tunnels etc.
Then, polyurethane elastomer packing material of the present invention is suitable especially to be used as the packing material that is used to form the tunnel water proofing structure, described tunnel water proofing structure possesses: the once lining concrete layer that is formed at tunnel ground inner face, be formed at the secondary lining concrete layer of the inner face side of aforementioned once lining concrete layer, and be formed at waterproof sheet layer and lining cutting sealing material layer between aforementioned once lining concrete layer and the aforementioned secondary lining concrete layer, for example can utilize the method that comprises following operation to construct and can suppress the tunnel water proofing structure of tunnel leak chronically more reliably: form aforementioned once lining concrete layer, the operation of aforementioned waterproof sheet layer and aforementioned secondary lining concrete layer (the 1st operation); And, be injected into polyurethane elastomer packing material of the present invention between aforementioned waterproof sheet layer and the aforementioned secondary lining concrete layer and/or form the operation (the 2nd operation) of aforementioned lining cutting sealing material layer between aforementioned waterproof sheet layer and the aforementioned once lining concrete layer.
Below, the limit comes the method for construction tunnel waterproof construction to describe with reference to the accompanying drawing limit to using polyurethane elastomer packing material of the present invention.In addition, in the following description and the accompanying drawing, use identical symbolic representation for identical or suitable unit, the repetitive description thereof will be omitted.
Fig. 1 is the side diagrammatic cross-section of tunnel (part of a upside) example of the tunnel water proofing structure of demonstration use polyurethane elastomer packing material formation of the present invention.Tunnel shown in Figure 1 possesses: the once lining concrete layer 2 of inner face that is formed at the ground 1 in tunnel, and the waterproof sheet layer 3 that is formed at the inner face of once lining concrete layer 2, and the lining cutting sealing material layer 4 that is formed at the inner face of waterproof sheet layer 3, and the secondary lining concrete layer 5 that is formed at the inner face of lining cutting sealing material layer 4.
In aforementioned the 1st operation in the constructional method of tunnel water proofing structure, form once lining concrete layer 2, waterproof sheet layer 3 and secondary lining concrete layer 5.Method as forming once lining concrete layer 2, waterproof sheet layer 3 and secondary lining concrete layer 5 is not particularly limited, and for example can adopt the method for putting down in writing in the TOHKEMY 2000-337096 communique.
That is, at first, form once lining concrete layer 2 at the inner face of the ground 1 in tunnel.As its method, be not particularly limited, for example can adopt inner face side at the ground 1 in tunnel to be provided with to be shaped with framed, to the method for shaping with deposit concrete in framed.
Then, the inner face side at once lining concrete layer 2 forms waterproof sheet layer 3.As its method, be not particularly limited, for example can adopt the method that known waterproof sheet is layed in the inner face of once lining concrete layer 2.In addition, the size of such waterproof sheet, thickness are not particularly limited.And then the material of such waterproof sheet is to have water-repellancy and can wait the material that engages to get final product by welding, is not particularly limited.In addition, between once lining concrete layer 2 and waterproof sheet layer 3, non-woven fabrics etc. can be set as required as cushioning material.
Then, the inner face side at waterproof sheet layer 3 forms secondary lining concrete layer 5.As its method, be not particularly limited, for example can adopt inner face side at waterproof sheet layer 3 to be provided with to be shaped with framed, to the method for shaping with deposit concrete in framed.In addition, at this moment, in the method for TOHKEMY 2000-337096 communique record, be formed between waterproof sheet layer 3 and secondary lining concrete layer 5, injecting the sealing material filling orifice 6 of aforementioned polyurethane elastomer packing material of the present invention.Its method also is not particularly limited, and for example can adopt will manage under the state that is inserted with the stock core material in pipe with core to be embedded in the method for only core being extracted in the secondary lining concrete, then.
In aforementioned the 2nd operation in the constructional method of tunnel water proofing structure, between waterproof sheet layer 3 and secondary lining concrete layer 5, inject aforementioned polyurethane elastomer packing material of the present invention and form lining cutting sealing material layer 4.Method as such formation lining cutting sealing material layer 4 is not particularly limited, and for example can adopt the method for injecting aforementioned polyurethane elastomer packing material of the present invention from the aforementioned sealing material filling orifice 6 that is formed at secondary lining concrete layer 5.In addition, polyurethane elastomer packing material of the present invention as previously mentioned, working life, sufficiently long, the viscosity under normal temperature (for example 15～30 ℃) were enough low, therefore can inject operation for a long time, can utilize pump etc. easily packing material to be injected in addition.
In addition, in the constructional method of the tunnel water proofing structure of above explanation, only between waterproof sheet layer 3 and secondary lining concrete layer 5, form lining cutting sealing material layer 4, but also can between waterproof sheet layer 3 and once lining concrete layer 2, form lining cutting sealing material layer 4, also can all form lining cutting sealing material layer 4 between waterproof sheet layer 3 and the secondary lining concrete layer 5 and between waterproof sheet layer 3 and once lining concrete layer 2.
Embodiment
Below be described more specifically the present invention based on embodiment and comparative example, but the present invention is not limited to following examples.In addition, do not having under the situation about specifying, " part " in the literary composition, " % " are the unit of quality criteria.In addition, the raw material that uses in embodiment and the comparative example is as follows.
(use raw material)
＜organic multiple isocyanate 〉
MR-200: polymeric MDI, NIPPON POLYURETHANE INDUSTRY CO., LTD. makes, trade(brand)name " MR-200 ".
＜polyvalent alcohol 〉
PP-400: polyether glycol, hydroxyl value 280mgKOH/g, average functional group is several 2, number-average molecular weight 400, Sanyo changes into industrial and makes, trade(brand)name " PP-400 ".
H-24: Viscotrol C is a polyvalent alcohol, hydroxyl value 160mgKOH/g, and number-average molecular weight 932, her rattan system oil company makes trade(brand)name " URIC H-24 ".
GP-1000: Viscotrol C is a polyvalent alcohol, hydroxyl value 160mgKOH/g, and number-average molecular weight 1000, Sanyo changes into industrial and makes, trade(brand)name " SANNIX GP-1000 ".
＜softening agent 〉
SAS-296: aromatic series hydrocarbon system softening agent, aromatic component 100%, Nippon Oil(Nippon Mitsubishi Oil) company make trade(brand)name " SAS-296 ".
Solvesso 100: aromatic series hydrocarbon system softening agent, aromatic component 99%, Exxon chemical company make trade(brand)name " Solvesso 100 ".
Mineral Spirit A: aromatic series hydrocarbon system softening agent, aromatic component is about 20%, and Nippon Oil(Nippon Mitsubishi Oil) company makes, trade(brand)name " Mineral Spirit A ".
SWAZOLE 1800: aromatic series hydrocarbon system softening agent, and aromatic component 99%, the kind petroleum chemistry company of ball makes trade(brand)name " SWAZOLE 1800 ".
Non-hydrocarbon system softening agent 1: ester is a softening agent, and company of Asahi Chemical Industry makes, trade(brand)name " Elease M9020 ".
Non-hydrocarbon system softening agent 2: carbonic ether is a softening agent, and Asahi Glass company makes, trade(brand)name " Asahinato ".
Non-hydrocarbon system softening agent 3: ether is softening agent, and Sanyo changes into industrial and makes, trade(brand)name " SK-500 ".
Whiteruss: aliphatics hydrocarbon system softening agent, KISHIDA CHEMICAL Co., Ltd. makes.
(embodiment 1～8 and comparative example 1～7)
The making of＜polyurethane elastomer packing material and fill material forming body 〉
In embodiment 1, following polyurethane elastomer packing material and the sheet-like formed body of packing material of obtaining.That is, the reactor that possesses stirrer, cooling tube, nitrogen ingress pipe, thermometer is carried out nitrogen replacement, add 800 parts of PP-400 then, 50 parts of H-24 and 150 parts of SAS-296 carry out 1 hour mixing under 20 ℃ of temperature, obtain polyvalent alcohol Preblend.After this, the temperature adjustment is carried out in Preblend to the gained polyvalent alcohol, makes that temperature is 20 ℃.
Then, the Preblend of 300 parts of gained polyvalent alcohols and 150 parts of organic multiple isocyanates (MR-200) are added in the container, mixed 1 minute down for 20 ℃ in temperature, the vacuum deaerator that carried out then 30 minutes is handled, and obtains polyurethane elastomer packing material (polyurethane resin composition: PU-1).Then, (thickness: 2mm), carry out 1 day curing under 45 ℃ of temperature, demoulding obtains the sheet-like formed body of packing material then the gained packing material to be put into the mould of sheet material shaping usefulness.
In addition, in embodiment 2～8, except the composition with polyvalent alcohol Preblend change to respectively as described in Table 1, carry out similarly to Example 1, obtain polyurethane elastomer packing material (PU-2)～(PU-8) and the sheet-like formed body of packing material.And then, in comparative example 1～6, except the composition with polyvalent alcohol Preblend change to respectively as described in Table 2, carry out similarly to Example 1, obtain polyurethane elastomer packing material (PU-9)～(PU-14) and the sheet-like formed body of packing material.In addition, in comparative example 7, except the composition with polyvalent alcohol Preblend change to as described in Table 2, carry out similarly to Example 1, make polyurethane elastomer packing material (PU-15), and attempt making the sheet-like formed body of packing material, plasticizer exudation fails to make the sheet-like formed body of packing material to sheet surface as a result.
Table 1
Table 2
The evaluation of＜polyurethane elastomer packing material and fill material forming body 〉
For polyurethane elastomer packing material that obtains in embodiment 1～8 and the comparative example 1～6 and fill material forming body, by the following method, estimate or measure the viscosity of polyurethane elastomer packing material and JIS-A hardness, alkali resistance, tensile strength (TB) and the elongation (EB) of fill material forming body.Gained the results are shown in table 3.
(i) mensuration of the viscosity of polyurethane elastomer packing material
For the polyurethane elastomer packing material that obtains in embodiment and the comparative example, use Type B rotational viscosimeter is measured the viscosity under 20 ℃.In addition, for viscosity, measure firm mixed viscosity respectively and mix the viscosity of back after placing 1 hour under 20 ℃ the atmosphere.
The (ii) mensuration and the evaluation of the JIS-A hardness of fill material forming body
The polyurethane elastomer packing material that obtains in 100g embodiment and the comparative example is put in the cup of shaping usefulness, solidified 1 day down for 45 ℃ in temperature, the demoulding then obtains the fill material forming body.Then, for the JIS-A hardness of gained fill material forming body,, use the A type hardness tester to measure meter (JIS-A sclerometer) and measure according to the method for putting down in writing among the JIS K6253.In addition, for the evaluation of the JIS-A hardness of fill material forming body, (unit: be that the situation of 30～90 scope is judged to be " A " Hs), situation in addition is judged to be " C " with JIS-A hardness.
The (iii) alkali-proof evaluation of fill material forming body
Estimate the alkali resistance of the sheet-like formed body of packing material that obtains in embodiment and the comparative example according to the method for putting down in writing among the JIS K7312.That is, the sheet-like formed body of packing material is formed sample (size: 100mm * 25mm * 2mm), sample was flooded 28 days in the saturated calcium hydroxide aqueous solution of 70 ℃ of temperature, pH13.Then, by the quality (m that floods preceding sample
b) and dipping after the quality (m of sample
a) calculate the quality ratio [Δ E={ (m of the extract in saturated calcium hydroxide aqueous solution
b-m
a)/m
b} * 100], the quality ratio (Δ E) of extract is lower than 3% situation and is judged to be " A ", situation in addition is judged to be " C ".
The (iv) mensuration of the tensile strength of fill material forming body and elongation and evaluation
Measure the tensile strength and the elongation of the sheet-like formed body of packing material that obtains in embodiment and the comparative example according to the method for putting down in writing among the JIS K7312.In addition, for the evaluation of the tensile strength of the sheet-like formed body of packing material, be that situation more than the 2MPa is judged to be " A " with tensile strength, situation in addition is judged to be " C ".In addition, for the evaluation of the elongation of sheet-like formed body, be that situation more than 120% is judged to be " A " with elongation, situation in addition is judged to be " C ".
Table 3
Enough low by the results verification shown in the table 3 to the viscosity of polyurethane elastomer packing material of the present invention (embodiment 1～8) under 20 ℃, in addition working life sufficiently long.In addition, confirm the fill material forming body that uses polyurethane elastomer packing material of the present invention (embodiment 1～8) to obtain and have excellent alkali resistance.And then, confirm the JIS-A hardness that such fill material forming body has appropriateness, be rich in flexibility, therefore have excellent in impact resistance.In addition, also confirm such fill material forming body and have excellent physical strength (tensile strength and elongation).
Utilizability on the industry
As described above, according to the present invention, following urethane elastomer filler can be provided: it can form has excellent resistance to impact and alkali-proof packing material formed body, and long enough, the viscosity under normal temperature (for example 15～30 ℃) are enough low working life, therefore can inject for a long time operation and can be injected into fine slit.
Therefore, urethane elastomer filler of the present invention has excellent resistance to impact and alkali resistance, thereby can be used as the sealing material of the works of building, building etc., especially can be used as the sealing material of xoncrete structure thing.
Claims (4)
1. polyurethane elastomer packing material, it contains: organic multiple isocyanate (A) and with average functional group several 2～4 and number-average molecular weight the polyether glycol (b1) below 1000 is the polyvalent alcohol (B) of main component and is the aromatic series hydrocarbon system softening agent (C) of main component with aromatic hydrocarbons (c1), with respect to 100 mass parts organic multiple isocyanates (A), the content of described aromatic series hydrocarbon system softening agent (C) is in the scope of 10～100 mass parts.
2. polyurethane elastomer packing material according to claim 1, wherein, it is polyvalent alcohol that described polyvalent alcohol (B) contains Viscotrol C.
3. polyurethane elastomer packing material, it is the packing material that is used to form the tunnel water proofing structure, described tunnel water proofing structure possesses: be formed at the ground inner face in tunnel the once lining concrete layer, be formed at described once lining concrete layer inner face side the secondary lining concrete layer and be formed at described once lining concrete layer and described secondary lining concrete layer between waterproof sheet layer and lining cutting sealing material layer
Described polyurethane elastomer packing material contains: organic multiple isocyanate (A) and with average functional group several 2～4 and number-average molecular weight the polyether glycol (b1) below 1000 is the polyvalent alcohol (B) of main component and is the aromatic series hydrocarbon system softening agent (C) of main component with aromatic hydrocarbons (c1), with respect to 100 mass parts organic multiple isocyanates (A), the content of described aromatic series hydrocarbon system softening agent (C) is in the scope of 10～100 mass parts.
4. polyurethane elastomer packing material according to claim 3, wherein, it is polyvalent alcohol that described polyvalent alcohol (B) contains Viscotrol C.
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| JP2008-185797 | 2008-07-17 | ||
| JP2008185797A JP5418804B2 (en) | 2008-07-17 | 2008-07-17 | Urethane elastomer filler |
| PCT/JP2009/062447 WO2010007923A1 (en) | 2008-07-17 | 2009-07-08 | Urethane elastomer filler |
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| CN102099421A true CN102099421A (en) | 2011-06-15 |
| CN102099421B CN102099421B (en) | 2013-03-13 |
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| JP (1) | JP5418804B2 (en) |
| CN (1) | CN102099421B (en) |
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| CN105008485A (en) * | 2013-02-28 | 2015-10-28 | 东曹株式会社 | Moisture-curable organic polyisocyanate composition and water-swelling water cutoff material |
| CN106661189A (en) * | 2014-08-28 | 2017-05-10 | 巴斯夫欧洲公司 | Aging-resistant polyurethane seal |
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| JP5021582B2 (en) * | 2008-07-17 | 2012-09-12 | 日油技研工業株式会社 | Tunnel waterproof structure and its construction method |
| JP5639787B2 (en) * | 2010-05-28 | 2014-12-10 | 株式会社大林組 | Waterproofing agent for impermeable sheet and repair method for impermeable sheet |
| JP6134203B2 (en) * | 2012-05-24 | 2017-05-24 | 東邦化学工業株式会社 | One-part water-stop agent |
| CN105980432A (en) * | 2014-03-27 | 2016-09-28 | 住友理工株式会社 | Polyurethane resin composition for sealing |
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| US6309507B1 (en) * | 1999-03-01 | 2001-10-30 | Nippon Polyurethane Industry Co., Ltd. | Polyisocyanate curing agent for laminate adhesive laminate adhesive comprising the same and its use |
| JP2004051894A (en) * | 2002-07-23 | 2004-02-19 | Nippon Polyurethane Ind Co Ltd | Wiper blade for vehicle |
| CN1451705A (en) * | 2003-04-23 | 2003-10-29 | 北京红福莱茵科技发展有限公司 | Whisker material modified double-component color waterproof polyurethane coating and preparing process thereof |
| JP2006265365A (en) * | 2005-03-23 | 2006-10-05 | Bando Chem Ind Ltd | Magnetically responsive polyurethane elastomer composition |
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2008
- 2008-07-17 JP JP2008185797A patent/JP5418804B2/en active Active
-
2009
- 2009-07-08 WO PCT/JP2009/062447 patent/WO2010007923A1/en active Application Filing
- 2009-07-08 CN CN200980127982.8A patent/CN102099421B/en active Active
- 2009-07-15 TW TW098123930A patent/TWI491632B/en active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008485A (en) * | 2013-02-28 | 2015-10-28 | 东曹株式会社 | Moisture-curable organic polyisocyanate composition and water-swelling water cutoff material |
| CN105008485B (en) * | 2013-02-28 | 2017-07-14 | 东曹株式会社 | Moisture-curable organic multiple isocyanate composition and hydroexpansivity sealing material |
| CN106661189A (en) * | 2014-08-28 | 2017-05-10 | 巴斯夫欧洲公司 | Aging-resistant polyurethane seal |
| CN106661189B (en) * | 2014-08-28 | 2021-04-27 | 巴斯夫欧洲公司 | Anti-aging polyurethane sealing strip |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5418804B2 (en) | 2014-02-19 |
| CN102099421B (en) | 2013-03-13 |
| WO2010007923A1 (en) | 2010-01-21 |
| TW201020269A (en) | 2010-06-01 |
| TWI491632B (en) | 2015-07-11 |
| JP2010024311A (en) | 2010-02-04 |
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