JPH02137784A - Concrete-protecting material, surface-treatment of concrete and surface-treated concrete - Google Patents
Concrete-protecting material, surface-treatment of concrete and surface-treated concreteInfo
- Publication number
- JPH02137784A JPH02137784A JP28851588A JP28851588A JPH02137784A JP H02137784 A JPH02137784 A JP H02137784A JP 28851588 A JP28851588 A JP 28851588A JP 28851588 A JP28851588 A JP 28851588A JP H02137784 A JPH02137784 A JP H02137784A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- parts
- weight
- protection material
- unsaturated monomer
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 39
- 238000004381 surface treatment Methods 0.000 title claims description 7
- -1 isocyanate compound Chemical class 0.000 claims abstract description 22
- 239000000178 monomer Substances 0.000 claims abstract description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- 239000012948 isocyanate Substances 0.000 claims abstract description 6
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 11
- 230000006866 deterioration Effects 0.000 abstract description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 abstract description 2
- 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 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000000454 talc Substances 0.000 abstract description 2
- 229910052623 talc Inorganic materials 0.000 abstract description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 2
- PJBLFINWUMTYJP-UHFFFAOYSA-N C=C.N=C=O Chemical group C=C.N=C=O PJBLFINWUMTYJP-UHFFFAOYSA-N 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 35
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 12
- 239000004576 sand Substances 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 11
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 10
- 238000012360 testing method Methods 0.000 description 8
- 239000005056 polyisocyanate Substances 0.000 description 6
- 229920001228 polyisocyanate Polymers 0.000 description 6
- 229920006389 polyphenyl polymer Polymers 0.000 description 6
- 239000011342 resin composition Substances 0.000 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 description 5
- 239000012975 dibutyltin dilaurate Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 3
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 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 2
- 238000004898 kneading Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 description 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 1
- PAOHAQSLJSMLAT-UHFFFAOYSA-N 1-butylperoxybutane Chemical compound CCCCOOCCCC PAOHAQSLJSMLAT-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- VHSHLMUCYSAUQU-UHFFFAOYSA-N 2-hydroxypropyl methacrylate Chemical compound CC(O)COC(=O)C(C)=C VHSHLMUCYSAUQU-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- HDONYZHVZVCMLR-UHFFFAOYSA-N N=C=O.N=C=O.CC1CCCCC1 Chemical compound N=C=O.N=C=O.CC1CCCCC1 HDONYZHVZVCMLR-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NBICYCZLCAMSBG-UHFFFAOYSA-L [Co+2].CCCCCC=CC([O-])=O.CCCCCC=CC([O-])=O Chemical compound [Co+2].CCCCCC=CC([O-])=O.CCCCCC=CC([O-])=O NBICYCZLCAMSBG-UHFFFAOYSA-L 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical group NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- GKGXKPRVOZNVPQ-UHFFFAOYSA-N diisocyanatomethylcyclohexane Chemical compound O=C=NC(N=C=O)C1CCCCC1 GKGXKPRVOZNVPQ-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
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical group OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 125000000466 oxiranyl group Chemical group 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- 239000013638 trimer Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/488—Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C04B41/4884—Polyurethanes; Polyisocyanates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、コンクリートの表面に塗布又は施工されるコ
ンクリート保護材料、これを用いたコンクリートの表面
処理法及び表面処理されたコンクリートに関し、さらに
詳しくは接着力及び耐久性に優れたコンクリート保護材
料、これを用いたコンクリートの表面処理法及びこの保
護材料で表面処理されたコンクリートに関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a concrete protection material applied or applied to the surface of concrete, a concrete surface treatment method using the same, and surface-treated concrete. The present invention relates to a concrete protection material with excellent adhesive strength and durability, a concrete surface treatment method using the same, and concrete surface treated with the protection material.
土木、建築分野において、コンクリート構造物の劣化を
防止するため、表面に塗料吹付けや樹脂ライニングをす
る方法は広く知られている。また、セメントペーストや
セメントモルタルに合成高分子エマルジョンを混入して
接着性、透気性、透水性等を改善する方法も知られてお
り、セメントモルタルの接着性を改善するものとして、
特公昭４４−１８７５７号公報に示されているように合
成高分子エマルジョンを予め下地に塗布してモルタルの
接着性を増強する方法がある。In the fields of civil engineering and architecture, methods of spraying paint or lining the surface of concrete structures with resin are widely known in order to prevent deterioration of concrete structures. In addition, a method of improving adhesion, air permeability, water permeability, etc. by mixing a synthetic polymer emulsion into cement paste or cement mortar is also known.
As shown in Japanese Patent Publication No. 44-18757, there is a method of enhancing the adhesion of mortar by applying a synthetic polymer emulsion to the base in advance.
しかしながら、上記のような従来技術では、コンクリー
トとの接着性、耐ひび割れ性及び耐水性が充分でなく、
長期耐久性を維持するためには、定期的な外装塗り替え
や補修に頬らざるを得ないという問題点がある。However, the above-mentioned conventional technology does not have sufficient adhesion to concrete, crack resistance, and water resistance.
The problem is that in order to maintain long-term durability, the exterior must be regularly repainted and repaired.
本発明の目的は、上記従来技術の問題点を解消し、コン
クリートとの接着性及び耐久性に優れ、土木、建築分野
におけるコンクリート構造物及び各種コンクリート成形
材料の劣化を防止するコンクリート保護材料、これを用
いたコンクリートの表面処理法及びこれによって表面処
理されたコンクリートを提供するものである。The object of the present invention is to provide a concrete protection material that solves the problems of the prior art described above, has excellent adhesiveness and durability with concrete, and prevents deterioration of concrete structures and various concrete forming materials in the civil engineering and architectural fields. The present invention provides a method for surface treatment of concrete using the method and concrete surface treated using the method.
本発明は、
（Ａ）イソシアネート基を２個以上有する多価イソシア
ネート化合物と水酸基を有するエチレン性不飽和単量体
とを反応させて得られるプレポリマー５〜９０重量部、
（Ｂ）（Ａ）成分上共重合可能なエチレン性不飽和単量
体０〜３０重量部及び
（Ｃ）骨材１０〜９５重量部を、
これら３成分の総量が１００重量部となるように含んで
なる硬化可能なコンクリート保護材料、このコンクリー
ト保護材料をコンクリートの表面に塗布又は施工し、硬
化するコンクリートの表面処理法及びこのコンクリート
保護材料で表面処理されたコンクリートに関する。The present invention comprises: (A) 5 to 90 parts by weight of a prepolymer obtained by reacting a polyvalent isocyanate compound having two or more isocyanate groups and an ethylenically unsaturated monomer having a hydroxyl group; (B) (A) A curable composition comprising 0 to 30 parts by weight of a copolymerizable ethylenically unsaturated monomer and 10 to 95 parts by weight of (C) aggregate, such that the total amount of these three components is 100 parts by weight. The present invention relates to a concrete protection material, a concrete surface treatment method in which the concrete protection material is applied or applied to the surface of concrete and hardened, and concrete surface-treated with the concrete protection material.
本発明のコンクリート保護材料の（Ａ）成分であるプレ
ポリマーに用いられるイソシアネート基を２個以上有す
る多価イソシアネート化合物には、ジフェニルメタンジ
イソシアネート、ヘキサメチレンジイソシアネート、ト
リレンジイソシアネート、キシリレンジイソシアネート
、イソホロンジイソシアネート、リジンジイソシアネー
ト、２゜２．４−１−リメチルへキサメチレンジイソシ
アネート、シクロヘキシルメタンジイソシアネート、メ
チルシクロヘキサンジイソシアネート、イソプロピリデ
ンビス（４−シクロヘキシルイソシアネート）、ヘキサ
メチレンジイソシアネートのビウレット体、イソシアヌ
レート環を含むイソホロンジイソシアネートの三量体、
ポリメチレンポリフェニルポリイソシアネートなど、２
個以上のイソシアネート基を有する化合物があり、これ
らのうちポリメチレンポリフェニルポリイソシアネート
が好ましい。Polyvalent isocyanate compounds having two or more isocyanate groups used in the prepolymer which is component (A) of the concrete protection material of the present invention include diphenylmethane diisocyanate, hexamethylene diisocyanate, tolylene diisocyanate, xylylene diisocyanate, isophorone diisocyanate, Lysine diisocyanate, 2゜2.4-1-limethylhexamethylene diisocyanate, cyclohexylmethane diisocyanate, methylcyclohexane diisocyanate, isopropylidene bis(4-cyclohexyl isocyanate), biuret form of hexamethylene diisocyanate, isophorone diisocyanate containing an isocyanurate ring. trimer,
Polymethylene polyphenyl polyisocyanate etc., 2
There are compounds having more than one isocyanate group, and among these, polymethylene polyphenyl polyisocyanate is preferred.
前記の多価イソシアネート化合物と反応させる水酸基を
有するエチレン性不飽和単量体としては、２−ヒドロキ
シエチル（メタ）アクリレート、２−ヒドロキシプロピ
ル（メタ）アクリレート等のヒドロキシアルキル（メタ
）アクリレートなどが挙げられる。水酸基を１個有する
不飽和単量体、例えば２−ヒドロキシエチルメタクリレ
ートが合成のしやすさから好ましい。Examples of the ethylenically unsaturated monomer having a hydroxyl group to be reacted with the polyvalent isocyanate compound include hydroxyalkyl (meth)acrylates such as 2-hydroxyethyl (meth)acrylate and 2-hydroxypropyl (meth)acrylate. It will be done. Unsaturated monomers having one hydroxyl group, such as 2-hydroxyethyl methacrylate, are preferred from the viewpoint of ease of synthesis.
本発明におけるプレポリマー〔（Ａ）成分〕は、前記多
価イソシアネート化合物と水酸基を有するエチレン性不
飽和単量体とを反応させ、ウレタン結合を生成させて得
ることができる。配合割合は、前者のイソシアネート基
／後者の水酸基が当量比で１．０１０．１−０．１／１
．０になるように配合して反応させるのが好ましい。The prepolymer [component (A)] in the present invention can be obtained by reacting the polyvalent isocyanate compound with an ethylenically unsaturated monomer having a hydroxyl group to form a urethane bond. The blending ratio is 1.010.1-0.1/1 in equivalent ratio of isocyanate group in the former/hydroxyl group in the latter.
．． It is preferable to mix and react so that it becomes 0.
反応温度は、通常０〜１５０°Ｃ１好ましくは３０〜１
００°Ｃである。反応に際してジブチルスズジラウレー
ト等のウレタン反応触媒を使用することもでき、更にハ
イドロキノン、ビス（２−ヒドロキシ−３−ｔｅｒｔ−
ブチル−５−エチルフェニル）メタン等の重合禁止剤を
存在させてもよい。The reaction temperature is usually 0 to 150°C, preferably 30 to 1
It is 00°C. Urethane reaction catalysts such as dibutyltin dilaurate can also be used during the reaction, and hydroquinone, bis(2-hydroxy-3-tert-
A polymerization inhibitor such as butyl-5-ethylphenyl)methane may also be present.
前記反応は、必要に応じて（Ａ）成分と共重合可能なエ
チレン性不飽和単量体〔（Ｂ）成分〕の存在下で行うこ
ともできる。The reaction can also be carried out in the presence of an ethylenically unsaturated monomer (component (B)) copolymerizable with component (A), if necessary.
本発明に用いられる（Ａ）成分と共重合可能なエチレン
性不飽和単量体〔（Ｂ）成分〕としては、メチル（メタ
）アクリレート、エチル（メタ）アクリレート、ブチル
（メタ）アクリレート、イソプロピル（メタ）アクリレ
ート、２−エチルヘキシル（メタ）アクリレート等のア
ルキル（メタ）アクリレート、スチレン又はビニルトル
エン、α−メチルスチレン、クロロスチレン等の置換ス
チレン、アクリロニトリル、メタクリレートリル、塩化
ビニル、酢酸ビニル、マレイン酸ジアルキルエステル、
２−ヒドロキシエチル（メタ）アクリレート、２−ヒド
ロキシプロピル（メタ）アクリレート、２−ヒドロキシ
ブチル（メタ）アクリレート等のヒドロキシアルキル（
メタ）アクリレート、グリセリン、トリメチロールプロ
パン等の多価アルコールのモノ（メタ）アクリレート、
Ｎ−メチロールアクリルアミド、Ｎ−メチロールメタク
リルアミド又はそのアルキルエーテル化物などの水酸基
を有する重合性単量体などが挙げられる。Ethylenically unsaturated monomers (component (B)) copolymerizable with component (A) used in the present invention include methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, isopropyl ( Alkyl (meth)acrylates such as meth)acrylate, 2-ethylhexyl (meth)acrylate, substituted styrenes such as styrene or vinyltoluene, α-methylstyrene, chlorostyrene, acrylonitrile, methacrylatrile, vinyl chloride, vinyl acetate, dialkyl maleate ester,
Hydroxyalkyl (such as 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate)
meth)acrylate, glycerin, mono(meth)acrylate of polyhydric alcohol such as trimethylolpropane,
Examples include polymerizable monomers having a hydroxyl group such as N-methylol acrylamide, N-methylol methacrylamide, or alkyl etherified products thereof.
また、アクリルアミド、メタクリルアミド等の不飽和ア
ミド、グリシジルアクリレート、グリシジルアクリレー
ト等のオキシラン基を有する重合性単量体、アクリル酸
、メタクリル酸、マレイン酸モノアルキルエステル等の
α、β−不飽和カルボン酸、ジビニルベンゼン、ジアリ
ルフタレートなどの架橋性モノマーを用いることもでき
る。In addition, unsaturated amides such as acrylamide and methacrylamide, polymerizable monomers having an oxirane group such as glycidyl acrylate and glycidyl acrylate, and α,β-unsaturated carboxylic acids such as acrylic acid, methacrylic acid, and maleic acid monoalkyl esters. , divinylbenzene, diallyl phthalate, and the like can also be used.
更に本発明に用いられる骨材〔（Ｃ）成分〕としては、
タルク、シリカ粉末、炭酸カルシウム、水酸化アルミニ
ウムなどの充填剤、川砂、海砂、珪砂などの砂及び粉砕
された石若しくは岩などの砂利が挙げられ、これらのう
ち通常は砂を使用するのが好ましい。（Ａ）、（Ｂ）及
び（Ｃ）成分は、必要に応じ、２種以上組み合わせて使
用してもよい。Further, as the aggregate [component (C)] used in the present invention,
Examples include fillers such as talc, silica powder, calcium carbonate, and aluminum hydroxide, sands such as river sand, sea sand, and silica sand, and gravels such as crushed stones or rocks.Of these, sand is usually used. preferable. Components (A), (B) and (C) may be used in combination of two or more, if necessary.
本発明のコンクリート保護材料は、（Ａ）成分であるプ
レポリマーを５〜９０重量部、（Ｂ）成分であるエチレ
ン性不飽和単量体を０〜３０重量部及び（Ｃ）成分であ
る骨材を１０〜９５重里部の範囲で、これらの総量が１
００重量部となる量で含有させて得られる。The concrete protection material of the present invention comprises 5 to 90 parts by weight of the prepolymer as the component (A), 0 to 30 parts by weight of the ethylenically unsaturated monomer as the component (B), and bone as the component (C). The total amount of wood is 10 to 95 weights.
00 parts by weight.
（Ａ）成分の使用量が５重量部未満では硬化物が脆く強
靭な保護層が得られず、９０重量部を越えると耐ひび割
れ性が低下する。また、（Ｂ）成分の使用量が３０重量
部を越えると、耐水性が低下する。更に、（Ｃ）成分の
使用量が１０重量部未満では耐久性が劣り、９５重量部
を越えると、接着性及び作業性が劣る。If the amount of component (A) used is less than 5 parts by weight, the cured product will be brittle and a strong protective layer will not be obtained, and if it exceeds 90 parts by weight, crack resistance will decrease. Furthermore, when the amount of component (B) used exceeds 30 parts by weight, water resistance decreases. Furthermore, if the amount of component (C) used is less than 10 parts by weight, durability will be poor, and if it exceeds 95 parts by weight, adhesiveness and workability will be poor.
本発明のコンクリート保護材料を塗布又は施工して硬化
させる際の硬化剤としては、過酸化ベンゾイル、メチル
エチルケトンペルオキシド、過酸化ジーｊｅｒｔ−ブチ
ル、クメンヒドロペルオキシド等の有機過酸化物が使用
され、その添加量は（Ａ）及び（Ｂ）成分の総量に対し
て通常０．１〜５重量％である。Organic peroxides such as benzoyl peroxide, methyl ethyl ketone peroxide, di-butyl peroxide, and cumene hydroperoxide are used as curing agents when the concrete protection material of the present invention is applied or applied and cured. The amount is usually 0.1 to 5% by weight based on the total amount of components (A) and (B).
さらに、硬化促進剤として、ナフテン酸コバルト、オク
テン酸コバルト等の多価金属塩、ジメチルアニリン等の
芳香族アミン等が使用され、その添加量は（Ａ）及び（
Ｂ）成分の総量に対して通常０．１〜５重量％である。Furthermore, polyvalent metal salts such as cobalt naphthenate and cobalt octenoate, aromatic amines such as dimethylaniline, etc. are used as curing accelerators, and the amounts added are (A) and (
B) It is usually 0.1 to 5% by weight based on the total amount of component.
硬化剤及び硬化促進剤は、単独で用いても、２種以上を
併用してもさしつかえない。The curing agent and curing accelerator may be used alone or in combination of two or more.
また必要に応じて、ジブチルスズジラウレート等のウレ
タン反応触媒、ヒドロキノン等の重合禁止剤、パラフィ
ンワックス等の空乾性付与剤、揺変性付与剤などを使用
してもよい。Further, if necessary, a urethane reaction catalyst such as dibutyltin dilaurate, a polymerization inhibitor such as hydroquinone, an air-drying agent such as paraffin wax, a thixotropy agent, etc. may be used.
本発明において、コンクリートとは、コンクリート、セ
メントモルタル等を含む材料を意味する。In the present invention, concrete means materials including concrete, cement mortar, and the like.
本発明になるコンクリート保護材料を用いた表面処理法
には、特に制限はなく、この材料をコンクリート、セメ
ントモルタル等の表面に塗装ずればよい。必要により加
熱してもよい。There are no particular limitations on the surface treatment method using the concrete protection material of the present invention, and the material may be coated on the surface of concrete, cement mortar, etc. It may be heated if necessary.
コンクリート保護材料の塗布又は施工の温度は、通常０
°Ｃ〜４０°Ｃであり、夏、冬の気温差によって反応促
進剤や重合禁止剤の添加量によりポットライフを調製す
るのが好ましい。The temperature for application or construction of concrete protection materials is usually 0.
°C to 40 °C, and it is preferable to adjust the pot life by adjusting the amount of reaction accelerator and polymerization inhibitor added depending on the temperature difference between summer and winter.
本発明のコンクリート保護材料には、場合によっては可
塑剤などの他、不飽和ポリエステル樹脂、ビニルエステ
ル樹脂等の熱硬化性樹脂や各種熱可塑性樹脂、顔料等の
着色剤、塗料などを混入することができる。In addition to plasticizers, the concrete protection material of the present invention may also contain thermosetting resins such as unsaturated polyester resins and vinyl ester resins, various thermoplastic resins, coloring agents such as pigments, paints, etc. Can be done.
次に、本発明を実施例により説明する。なお、例中にお
いて部及び％とあるのは重量部及び重量％を意味する。Next, the present invention will be explained by examples. In addition, parts and % in the examples mean parts by weight and weight %.
実施例１
下記の式で示されるポリメチレンポリフェニルポリイソ
シアネート（日本ポリウレタン社製、ミリオネー）ＭＲ
−１００）９．９部、スチレン１１．７部、ジブチルス
ズジラウレート０．０１部及びヒドロキノン０．０３部
を温度計、撹拌機及び還流冷却器を備えたフラスコに仕
込み、撹拌しながら８０°Ｃに加温した。同温で上記フ
ラスコ内に２−ヒドロキシエチルメタクリレート１３．
４部を３時間かけて均一に滴下し、更に同温で５時間保
温後２５°Ｃに冷却した。得られた樹脂組成物３５部と
６号珪砂６５部を混練してコンクリート保護材料（１）
とした。Example 1 Polymethylene polyphenyl polyisocyanate (manufactured by Nippon Polyurethane Co., Ltd., Millionaire) MR represented by the following formula
-100), 11.7 parts of styrene, 0.01 part of dibutyltin dilaurate, and 0.03 part of hydroquinone were charged into a flask equipped with a thermometer, a stirrer, and a reflux condenser, and heated to 80°C with stirring. Warmed. 2-hydroxyethyl methacrylate 13.
4 parts were uniformly dropped over 3 hours, kept at the same temperature for 5 hours, and then cooled to 25°C. Concrete protection material (1) is prepared by kneading 35 parts of the obtained resin composition and 65 parts of No. 6 silica sand.
And so.
（ただし、ｎ≧０の整数）
実施例２
実施例１で用いたポリメチレンポリフェニルポリイソシ
アネート４０部、ジブチルスズジラウレ−）０．０１部
及びヒドロキノン０．０３部を実施例１と同様のフラス
コに仕込み、８０°Ｃに加温した。(However, an integer of n≧0) Example 2 40 parts of the polymethylene polyphenyl polyisocyanate used in Example 1, 0.01 part of dibutyltin dilaure), and 0.03 part of hydroquinone were placed in the same flask as in Example 1. and heated to 80°C.
同温で上記フラスコ内に２−ヒドロキシエチルアクリレ
ート２０部を３時間かけて均一に滴下し、更に同温で５
時間保温後２５°Ｃに冷却した。得られた樹脂組成物６
０部と４号珪砂２０部及び７号珪砂２０部を混練してコ
ンクリート保護材料（２）とした。At the same temperature, 20 parts of 2-hydroxyethyl acrylate was uniformly dropped into the flask over 3 hours, and then at the same temperature,
After incubating for an hour, it was cooled to 25°C. Resin composition 6 obtained
0 part, 20 parts of No. 4 silica sand, and 20 parts of No. 7 silica sand were kneaded to prepare a concrete protection material (2).
実施例３
実施例１で用いたポリメチレンポリフェニルポリイソシ
アネート７．８部、メチルメタクリレート８部、ジブチ
ルスズジラウレート０．０１部及びヒドロキノン０．０
３部を実施例１と同様のフラスコに仕込み、８０°Ｃに
加温した。同温で上記フラスコ内に２−ヒドロキシプロ
ピルメタクリレート７．８部を３時間かけて均一に滴下
し、更に同温で５時間保温後２５°Ｃに冷却して、２−
エチルへキシルアクリレート６．４部を加えた。得られ
た樹脂組成物３０部と５号珪砂４５部及び８号珪砂２５
部を混練してコンクリート保護材料（３）とした。Example 3 7.8 parts of the polymethylene polyphenyl polyisocyanate used in Example 1, 8 parts of methyl methacrylate, 0.01 part of dibutyltin dilaurate, and 0.0 part of hydroquinone.
Three parts were placed in the same flask as in Example 1 and heated to 80°C. At the same temperature, 7.8 parts of 2-hydroxypropyl methacrylate was evenly added dropwise into the flask over 3 hours, and after further incubation at the same temperature for 5 hours, it was cooled to 25°C.
6.4 parts of ethylhexyl acrylate was added. 30 parts of the obtained resin composition, 45 parts of No. 5 silica sand, and 25 parts of No. 8 silica sand
The mixture was kneaded to form a concrete protection material (3).
比較例１
実施例１で用いたポリメチレンポリフェニルポリイソシ
アネート１．７部、スチレン３１部、ジブチルスズジラ
ウレート０．０１部及びヒドロキノン０．０３部を実施
例１と同様のフラスコに仕込み、８０°Ｃに加温した。Comparative Example 1 1.7 parts of the polymethylene polyphenyl polyisocyanate used in Example 1, 31 parts of styrene, 0.01 part of dibutyltin dilaurate, and 0.03 part of hydroquinone were charged into the same flask as in Example 1, and heated at 80°C. It was heated to
同温で２−ヒドロキシエチルメタクリレート２．３部を
３時間かけて均一に滴下し、更に同温で５時間保温後２
５°Ｃに冷却した。At the same temperature, 2.3 parts of 2-hydroxyethyl methacrylate was evenly added dropwise over 3 hours, and after further incubation at the same temperature for 5 hours,
Cooled to 5°C.
得られた樹脂組成物３５部と６号珪砂６５部を混練して
コンクリート保護材料（４）とした。35 parts of the obtained resin composition and 65 parts of No. 6 silica sand were kneaded to prepare a concrete protection material (4).
比較例２
実施例１と同様に合成した樹脂組成物９４部と６号珪砂
６部を混練してコンクリート保護材料（５）とした。Comparative Example 2 94 parts of a resin composition synthesized in the same manner as in Example 1 and 6 parts of No. 6 silica sand were kneaded to obtain a concrete protection material (5).
比較例３
実施例１と同様に合成した樹脂組成物３部と６号珪砂９
７部を混練しようとしたが流動性がまったくなくボッボ
ッの状態であるためこの材料についての試験は中止した
。Comparative Example 3 3 parts of a resin composition synthesized in the same manner as in Example 1 and 9 parts of No. 6 silica sand
An attempt was made to knead 7 parts of the material, but the material had no fluidity and was in a lumpy state, so the test on this material was discontinued.
比較例４
プロピレングリコール０．８モル、ジプロピレングリコ
ール０．３モル及び無水マレイン酸０．５モルを不活性
ガス気流中１５０〜２１０″Ｃで常法に従い脱水縮合反
応を行い、得られた樹脂６０部にヒドロキノン０．０１
％を含むスチレン４０部に溶解して不飽和ポリエステル
樹脂を得た。樹脂３５部と６号珪砂６５部を混練してコ
ンクリート保護材料（６）とした。Comparative Example 4 0.8 mol of propylene glycol, 0.3 mol of dipropylene glycol, and 0.5 mol of maleic anhydride were subjected to a dehydration condensation reaction in an inert gas stream at 150 to 210"C according to a conventional method, and the resulting resin Hydroquinone 0.01 in 60 parts
% of styrene to obtain an unsaturated polyester resin. A concrete protection material (6) was prepared by kneading 35 parts of resin and 65 parts of No. 6 silica sand.
（試験例）
次に、得られたコンクリート保護材料（１）〜（６）１
００部にジメチルアニリン０．０３部、パラフィンワッ
クス（日本精通社製、融点１４０・Ｆ）の５％スチレン
溶液０．５部及び過酸化ベンゾイル（５０％溶液）１部
を混合した。これらをＪＩＳＡ−６９１６（セメント系
下地調整塗材）の５．２（試験用）基板に金ゴテを用い
て厚さ２ ｍｍに塗り付け２５°Ｃで７日放置した。こ
れの供試体をＪｒＳ Ａ−６９１６の５．６（付着強
さ試験）、５．７（ひび割れ試験）、５．８（衝撃試験
）、５．９（吸水試験）、５．１０（耐久試験）の試験
方法に準じて付着強さ、耐ひび割れ性、耐ｄｉ撃性、吸
水量、耐久性の試験を行った。その結果を第１表に示し
た。(Test example) Next, the obtained concrete protection materials (1) to (6) 1
0.00 parts of dimethylaniline, 0.5 parts of a 5% styrene solution of paraffin wax (manufactured by Nippon Jujutsu Co., Ltd., melting point 140 F), and 1 part of benzoyl peroxide (50% solution) were mixed with 0.00 parts of dimethylaniline. These were applied to a JISA-6916 (cement base conditioning coating material) 5.2 (for testing) substrate to a thickness of 2 mm using a metal trowel and left at 25°C for 7 days. This specimen was tested according to JrS A-6916 5.6 (adhesion strength test), 5.7 (crack test), 5.8 (impact test), 5.9 (water absorption test), and 5.10 (durability test). Tests for adhesion strength, cracking resistance, impact resistance, water absorption, and durability were conducted according to the test method of ). The results are shown in Table 1.
この結果から、本発明のコンクリート保護材料は、付着
性、耐衝撃性及び耐久性に優れることが示される。This result shows that the concrete protection material of the present invention has excellent adhesion, impact resistance, and durability.
本発明のコンクリート保護材料は、コンクリートとの接
着性及び耐久性に優れるため、コンクリート構造物や各
種コンクリート成形材料の保護材料として有用である。Since the concrete protection material of the present invention has excellent adhesion to concrete and durability, it is useful as a protection material for concrete structures and various concrete forming materials.
Claims (1)
シアネート化合物と水酸基を有するエチレン性不飽和単
量体とを反応させて得られるプレポリマー５〜９０重量
部、 （Ｂ）（Ａ）成分と共重合可能なエチレン性不飽和単量
体０〜３０重量部及び （Ｃ）骨材１０〜９５重量部を、 これら３成分の総量が１００重量部となるように含んで
なる硬化可能なコンクリート保護材料。 ２、請求項１記載のコンクリート保護材料をコンクリー
トの表面に塗布又は施工し、硬化することを特徴とする
コンクリートの表面処理法。 ３、請求項１記載のコンクリート保護材料で表面処理さ
れたコンクリート。[Scope of Claims] 1. (A) 5 to 90 parts by weight of a prepolymer obtained by reacting a polyvalent isocyanate compound having two or more isocyanate groups and an ethylenically unsaturated monomer having a hydroxyl group, (B ) 0 to 30 parts by weight of an ethylenically unsaturated monomer copolymerizable with component (A) and 10 to 95 parts by weight of aggregate (C), such that the total amount of these three components is 100 parts by weight. A hardenable concrete protection material. 2. A method for surface treatment of concrete, which comprises applying or applying the concrete protection material according to claim 1 to the surface of concrete and curing it. 3. Concrete surface-treated with the concrete protection material according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28851588A JPH02137784A (en) | 1988-11-15 | 1988-11-15 | Concrete-protecting material, surface-treatment of concrete and surface-treated concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28851588A JPH02137784A (en) | 1988-11-15 | 1988-11-15 | Concrete-protecting material, surface-treatment of concrete and surface-treated concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137784A true JPH02137784A (en) | 1990-05-28 |
Family
ID=17731229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28851588A Pending JPH02137784A (en) | 1988-11-15 | 1988-11-15 | Concrete-protecting material, surface-treatment of concrete and surface-treated concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137784A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002172361A (en) * | 2000-09-29 | 2002-06-18 | Toagosei Co Ltd | Coating film formation method |
| JP2011084439A (en) * | 2009-10-16 | 2011-04-28 | Ashford Japan Kk | Composition for surface modification of calcium-based inorganic substrate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5433586A (en) * | 1977-08-22 | 1979-03-12 | Asahi Chem Ind Co Ltd | Resin concrete and resin mortar |
-
1988
- 1988-11-15 JP JP28851588A patent/JPH02137784A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5433586A (en) * | 1977-08-22 | 1979-03-12 | Asahi Chem Ind Co Ltd | Resin concrete and resin mortar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002172361A (en) * | 2000-09-29 | 2002-06-18 | Toagosei Co Ltd | Coating film formation method |
| JP2011084439A (en) * | 2009-10-16 | 2011-04-28 | Ashford Japan Kk | Composition for surface modification of calcium-based inorganic substrate |
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