JPH0350168A - Foaming agent for gas concrete and composition - Google Patents
Foaming agent for gas concrete and compositionInfo
- Publication number
- JPH0350168A JPH0350168A JP1069048A JP6904889A JPH0350168A JP H0350168 A JPH0350168 A JP H0350168A JP 1069048 A JP1069048 A JP 1069048A JP 6904889 A JP6904889 A JP 6904889A JP H0350168 A JPH0350168 A JP H0350168A
- Authority
- JP
- Japan
- Prior art keywords
- foaming agent
- foaming
- cement
- formula
- gas 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
- 239000004088 foaming agent Substances 0.000 title claims abstract description 32
- 239000004567 concrete Substances 0.000 title claims abstract description 17
- 239000000203 mixture Substances 0.000 title claims description 20
- 239000004568 cement Substances 0.000 claims abstract description 20
- -1 amine cation Chemical group 0.000 claims abstract description 17
- 238000005187 foaming Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012615 aggregate Substances 0.000 claims abstract description 9
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims abstract description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 3
- 150000001340 alkali metals Chemical group 0.000 claims abstract description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 3
- 239000011381 foam concrete Substances 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 3
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 abstract description 2
- 229940043264 dodecyl sulfate Drugs 0.000 abstract description 2
- YNDGLMYLSGEDHX-UHFFFAOYSA-N 1,2,4,3-trioxathiane 3,3-dioxide Chemical compound O=S1(=O)OCCOO1 YNDGLMYLSGEDHX-UHFFFAOYSA-N 0.000 abstract 1
- 238000001723 curing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 229920003169 water-soluble polymer Polymers 0.000 description 5
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 4
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 125000006353 oxyethylene group Chemical group 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- BTBJBAZGXNKLQC-UHFFFAOYSA-N ammonium lauryl sulfate Chemical compound [NH4+].CCCCCCCCCCCCOS([O-])(=O)=O BTBJBAZGXNKLQC-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 229960000541 cetyl alcohol Drugs 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BTFJIXJJCSYFAL-UHFFFAOYSA-N icosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCO BTFJIXJJCSYFAL-UHFFFAOYSA-N 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 229940043348 myristyl alcohol Drugs 0.000 description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- DPBLXKKOBLCELK-UHFFFAOYSA-N pentan-1-amine Chemical compound CCCCCN DPBLXKKOBLCELK-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 150000003333 secondary alcohols Chemical class 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 1
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- HHAPGMVKBLELOE-UHFFFAOYSA-N 2-(2-methylpropoxy)ethanol Chemical compound CC(C)COCCO HHAPGMVKBLELOE-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- MSIAFRBGOYFCND-UHFFFAOYSA-N 2-amino-1-cyclohexylethanol Chemical compound NCC(O)C1CCCCC1 MSIAFRBGOYFCND-UHFFFAOYSA-N 0.000 description 1
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 1
- FDQGNLOWMMVRQL-UHFFFAOYSA-N Allobarbital Chemical compound C=CCC1(CC=C)C(=O)NC(=O)NC1=O FDQGNLOWMMVRQL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 1
- 239000004435 Oxo alcohol Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229940063953 ammonium lauryl sulfate Drugs 0.000 description 1
- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- AHVCYVORAAEAKW-UHFFFAOYSA-N azanium;tetradecyl sulfate Chemical compound N.CCCCCCCCCCCCCCOS(O)(=O)=O AHVCYVORAAEAKW-UHFFFAOYSA-N 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229940001468 citrate Drugs 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- JZKFHQMONDVVNF-UHFFFAOYSA-N dodecyl sulfate;tris(2-hydroxyethyl)azanium Chemical compound OCCN(CCO)CCO.CCCCCCCCCCCCOS(O)(=O)=O JZKFHQMONDVVNF-UHFFFAOYSA-N 0.000 description 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 125000001196 nonadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FJDUDHYHRVPMJZ-UHFFFAOYSA-N nonan-1-amine Chemical compound CCCCCCCCCN FJDUDHYHRVPMJZ-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940100684 pentylamine Drugs 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- RAFRTSDUWORDLA-UHFFFAOYSA-N phenyl 3-chloropropanoate Chemical compound ClCCC(=O)OC1=CC=CC=C1 RAFRTSDUWORDLA-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001180 sulfating effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- BBECRFZLZMRJLF-UHFFFAOYSA-N tetradecyl sulfate;tris(2-hydroxyethyl)azanium Chemical compound OCCN(CCO)CCO.CCCCCCCCCCCCCCOS(O)(=O)=O BBECRFZLZMRJLF-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野コ
本発明は気泡コンクリート用起泡剤および気泡コンクリ
ート組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a foaming agent for cellular concrete and a cellular concrete composition.
[従来の技術]
従来、気泡コンクリート用起泡剤としてポリオキシエチ
レンアルキルエーテル硫酸塩’e用い、気泡安定化剤と
して各種セルロース誘導体やポリビニルアルコールなど
の水溶性高分子を併用することが知られている。[Prior Art] Conventionally, it has been known to use polyoxyethylene alkyl ether sulfate as a foaming agent for cellular concrete, and to use water-soluble polymers such as various cellulose derivatives and polyvinyl alcohol together as a foam stabilizer. There is.
[発明が解決しようとする課題]
しかしながら、このものは起泡力に優れるものの、気泡
の長時間安定性については必ずしも十分とはいえず、そ
の結果としてコンクリートの硬化以前の消泡に伴う成型
体の収縮が著しく、所望の比重を存する硬化体を得るこ
とが困難であった。[Problems to be Solved by the Invention] However, although this product has excellent foaming power, the long-term stability of the bubbles is not necessarily sufficient, and as a result, the molded product deteriorates due to defoaming before the concrete hardens. The shrinkage was significant, making it difficult to obtain a cured product having a desired specific gravity.
[課題を解決するための手段]
本発明者らは気−泡コンクリート製造時に用いられる起
泡力、気泡安定性に優れた起泡剤およびこの起泡剤を含
有する気泡コンクリート組成物について鋭意検討した結
果本発明に到達した。[Means for Solving the Problems] The present inventors have conducted intensive studies on foaming agents with excellent foaming power and foam stability used in the production of aerated concrete, and aerated concrete compositions containing this foaming agent. As a result, we have arrived at the present invention.
すなわち、本発明は
一般式
RO(CH2CHO)−8OsX (1)(式
中、Rは炭素数8〜20の脂肪族炭化水素基、Aは水素
またはメチル基、mはOまたは1〜5の整数、Xはアル
カリ金属、アンモニウム、またはアミンカチオンである
。)で示される化合物からなる起泡成分(A)および炭
素数8〜20の脂肪族アルコール(B)からなることを
特徴とする気泡コンクリート製造用起泡剤および請求項
1の起泡剤、セメント、骨材および水を必須成分0.と
じて含宵してなることを特徴とする気泡コンクリート組
成物である。That is, the present invention is based on the general formula RO(CH2CHO)-8OsX (1) (wherein R is an aliphatic hydrocarbon group having 8 to 20 carbon atoms, A is hydrogen or a methyl group, and m is O or an integer of 1 to 5) , X is an alkali metal, ammonium, or an amine cation. The foaming agent according to claim 1, cement, aggregate and water are included as essential components. This is an aerated concrete composition characterized in that it contains a foamed concrete.
本発明における炭素数8〜20の脂肪族アルコール(B
)としては、直鎖または分岐の天然または合成、の飽和
または不飽和の一級および二級のm個アルコール、たと
えばオクチルアルコール、デシルアルコール、ラウリル
アルコール(ドデシルアルコール)、ミリスチルアルコ
ール、セチルアルコール、ステアリルアルコール、エイ
コシルアルコール、ならびに合成アルコール(チーグラ
ーアルコール、オキソアルコール[側鎖アルコール含f
f120〜70重量%:たとえば「ドパノール」(シェ
ル化学製)、「ダイヤドール」 (三菱化成製)コ、セ
カンダリ−アルコール
ルSJ (UCC製))およびこれらの2種以上の混
合物が挙げられる。In the present invention, aliphatic alcohol having 8 to 20 carbon atoms (B
) include linear or branched natural or synthetic, saturated or unsaturated primary and secondary alcohols, such as octyl alcohol, decyl alcohol, lauryl alcohol (dodecyl alcohol), myristyl alcohol, cetyl alcohol, stearyl alcohol; , eicosyl alcohol, and synthetic alcohols (Ziegler alcohol, oxo alcohol [containing side chain alcohols]
f120 to 70% by weight: Examples include "Dopanol" (manufactured by Shell Chemical), "Diadol" (manufactured by Mitsubishi Kasei), Secondary Alcohol SJ (manufactured by UCC), and mixtures of two or more thereof.
これらのうち、好ましいものはラウリルアルコール、ミ
リスチルアルコールおよびセチルアルコールである。Among these, preferred are lauryl alcohol, myristyl alcohol and cetyl alcohol.
つぎに起泡成分(A)について説明する。Next, the foaming component (A) will be explained.
一般式(1)において、Rの炭素数8〜20の脂肪族炭
化水素基としては、飽和または不飽和の直鎖または分岐
のアルキル基、たとえばオクチル基、ノニル基、デシル
基、ウンデシル基、 ドデシル基、トリデシル基、テト
ラデシル基、ペンタデシル基、ヘキサデシル基、ヘプタ
デシル基、オクタデシル基、ノナデシル基、エイコシル
基、オレイル基、リルイル基、リルニル基などがあげら
れる。In the general formula (1), the aliphatic hydrocarbon group having 8 to 20 carbon atoms for R is a saturated or unsaturated linear or branched alkyl group, such as an octyl group, a nonyl group, a decyl group, an undecyl group, a dodecyl group. group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, eicosyl group, oleyl group, lylyl group, lylunyl group, and the like.
これらのうち、好ましい基は炭素数10〜18のアルキ
ル基であり、特に好ましくはドデシル基およびテトラデ
シル基である。炭素数が8未溝でも20を超えても起泡
力が低下し、所望の比重を存する硬化体を得るには至ら
ない。Among these, preferred groups are alkyl groups having 10 to 18 carbon atoms, and particularly preferred are dodecyl and tetradecyl groups. Even if the number of carbon atoms is less than 8 or more than 20, the foaming power decreases and it is not possible to obtain a cured product having the desired specific gravity.
mはエチレンオキシドまたはプロピレンオキシドの付加
モル数を示し、通常Oまたは1〜5の整数であり、好ま
しくはO及び1〜3である。付加モル数が6以上では起
泡力が低下するため実用的でない。m indicates the number of moles of ethylene oxide or propylene oxide added, and is usually O or an integer of 1 to 5, preferably O and 1 to 3. If the number of moles added is 6 or more, the foaming power decreases, which is not practical.
Xはアルキル硫酸エステルの対イオンを,表し、例えば
アルカリ金B ( L 11 N at Kなど)
、アンモニウム、アミンカチオン[アルキル(炭素数1
〜18)アミン(メチルアミン、プロピルアミン、ヘキ
シルアミン、ノニルアミン、 ドデシルアミン、ペンチ
ルアミン、ステアリルアミンなト)、アルカノールアミ
ン(モノエタノールアミン、ジェタノールアミン、 ト
リエタノールアミン、プロパツール、アミン、インプロ
パツールアミン、シクロヘキシルエタノールアミンなど
)などのアミンのカチオンコ、およびこれらの2種以上
の混合物が挙げられる。好ましくはアンモニウムおよび
アルカノールアミンカチオンであり、特に好ましくはア
ンモニウム詔よびエタノールアミンカチオンである。X represents the counter ion of the alkyl sulfate, for example, alkali gold B (L 11 N at K etc.)
, ammonium, amine cation [alkyl (1 carbon number
~18) Amines (methylamine, propylamine, hexylamine, nonylamine, dodecylamine, pentylamine, stearylamine), alkanolamines (monoethanolamine, jetanolamine, triethanolamine, propatool, amine, impropylamine) Examples include cations of amines, such as amines (such as toolamine, cyclohexylethanolamine, etc.), and mixtures of two or more thereof. Preferred are ammonium and alkanolamine cations, particularly preferred are ammonium and ethanolamine cations.
起泡成分(A)の具体例としては、オキシエチレン(1
)ラウリルサルフェートアンモニウム、ドデシルサルフ
ェートアンモニウム、ポリオキシエチレン(2)テトラ
デシルサルフェートアンモニウム、オキシエチレン(1
)ラウリルサルフェートトリエタノールアミン塩、 ド
デシルサルフェートジェタノールアミン塩、ポリオキシ
エチレン(2)テトラデシルサルフェートトリエタノー
ルアミン塩などを挙げることができる。オキシエチレン
またはポリオキシエチレンのっぎの0内はエチレンオキ
シドの平均付加モル数を表す。以下同様である。Specific examples of the foaming component (A) include oxyethylene (1
) ammonium lauryl sulfate, ammonium dodecyl sulfate, polyoxyethylene (2) ammonium tetradecyl sulfate, oxyethylene (1
) lauryl sulfate triethanolamine salt, dodecyl sulfate jetanolamine salt, polyoxyethylene (2) tetradecyl sulfate triethanolamine salt, and the like. The 0 in oxyethylene or polyoxyethylene represents the average number of moles of ethylene oxide added. The same applies below.
一般式(1)で示される化合物は炭素数8〜20の脂肪
族アルコールに必要によりアルキレンオキシドを付加し
、常法により硫酸化し、アルカ1ハアンモニア、アルキ
ルアミン、およびアルカノールアミンで中和することに
より得られる。The compound represented by the general formula (1) can be prepared by adding an alkylene oxide to an aliphatic alcohol having 8 to 20 carbon atoms, if necessary, sulfating the aliphatic alcohol by a conventional method, and neutralizing it with an alkali ammonia, an alkylamine, and an alkanolamine. It is obtained by
本発明の起泡剤には必要に応じて水溶性を機溶剤や水溶
性高分子を併用してもよい。The foaming agent of the present invention may contain a water-soluble organic solvent or a water-soluble polymer, if necessary.
水溶性を機溶剤としては起泡性を阻害しないもの、例え
ばセロソルブ系溶剤(メチルセロソルブ、エチルセロソ
ルブ、n−プロピルセロソルブ、n−ブチルセロソルブ
、イソブチルセロソルブ、フェニルセロソルブなど)、
カルピトール類(エチルカルピトール、ブチルカルピト
ールなど)、エチレンオキシドの付加モル数が3〜10
のポリオキシエチレン低級アルキルエーテル(ポリオキ
シエチレン(3)メチルエーテルなど)、ジオール類(
エチレングリコール、ジエチレングリコール、ポリエチ
レングリコールなど)およびこれらの2種以上の混合物
が挙げられる。Water-soluble solvents that do not inhibit foaming properties, such as cellosolve-based solvents (methyl cellosolve, ethyl cellosolve, n-propyl cellosolve, n-butyl cellosolve, isobutyl cellosolve, phenyl cellosolve, etc.),
Carpitols (ethylcarpitol, butylcarpitol, etc.), the number of added moles of ethylene oxide is 3 to 10
Polyoxyethylene lower alkyl ether (polyoxyethylene (3) methyl ether, etc.), diols (
ethylene glycol, diethylene glycol, polyethylene glycol, etc.) and mixtures of two or more thereof.
これらのうち、好ましいものはセロソルブ系溶剤および
ポリオキシエチレン低級アルキルエーテルであり、とく
に好ましいものはブチルセロソルブ、インブチルセロソ
ルブ、及びポリオキシエチレン(3)メチルエーテルで
ある。Among these, preferred are cellosolve solvents and polyoxyethylene lower alkyl ether, and particularly preferred are butyl cellosolve, inbutyl cellosolve, and polyoxyethylene (3) methyl ether.
水溶性高分子としては、例えば、セルロース誘導体(メ
チルセルロース、ヒドロキシエチルセルロース、ヒドロ
キシプロピルセルロース、ヒドロキシエチルメチルセル
ロース、ヒドロキシプロピルメチルセルロース、カルボ
キシメチルセルロースなど)、ポリビニルアルコール、
アルギン酸ナトリウム、ポリエチレンオキシド、ポリビ
ニルピロリドン、ポリビニルエーテル及びこれらの2皿
以上の混合物が挙げられ、好ましくはセルロース誘導体
を挙げることができる。Examples of water-soluble polymers include cellulose derivatives (methylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxyethylmethylcellulose, hydroxypropylmethylcellulose, carboxymethylcellulose, etc.), polyvinyl alcohol,
Examples include sodium alginate, polyethylene oxide, polyvinylpyrrolidone, polyvinyl ether, and mixtures of two or more thereof, and preferably cellulose derivatives.
本発明の起泡剤において、起泡成分(A)と脂肪族アル
コールCB)の重量比は、純分比で通常99: 1〜5
:95、好ましくは95: 5〜50:60である。(
A)が99より大きい場合はセメントスラリー中に導入
された気泡の安定性が低下し、均質な硬化体が得られに
くくなり、5より小さい場合には起泡力が低下し、十分
な軽量化が行えない。In the foaming agent of the present invention, the weight ratio of the foaming component (A) to the aliphatic alcohol CB) is usually 99:1 to 5 in terms of pure fraction.
:95, preferably 95:5 to 50:60. (
If A) is larger than 99, the stability of the air bubbles introduced into the cement slurry will decrease, making it difficult to obtain a homogeneous hardened product, and if it is smaller than 5, the foaming power will decrease, resulting in sufficient weight reduction. I can't do it.
水溶性有機溶剤の添加量は(A)と(B)との合計10
0重量部に対して通常0〜100重量部好ましくは10
〜80重量部である。The amount of water-soluble organic solvent added is 10 in total of (A) and (B).
Usually 0 to 100 parts by weight, preferably 10 parts by weight
~80 parts by weight.
水溶性高分子の添加量は(A)と(B)との合計100
重量部に対して通常0〜30重量部、好ましくは0.0
1〜20重量部である。The amount of water-soluble polymer added is 100 in total of (A) and (B).
Usually 0 to 30 parts by weight, preferably 0.0 parts by weight
It is 1 to 20 parts by weight.
本発明の起泡剤はセメント、骨材、水などとともに気泡
コンクリート組成物として用いられる。The foaming agent of the present invention is used together with cement, aggregate, water, etc. in a cellular concrete composition.
セメントとしては普通ポルトランドセメント、早強ポル
トランドセメント、中庸熱ポルトランドセメント、アル
ミナセメント、フライアッシュセメント、高炉セメント
などが挙げられ、セメントの種類による影響をなんら受
けるものではない。Examples of cement include ordinary Portland cement, early-strength Portland cement, medium-heat Portland cement, alumina cement, fly ash cement, and blast furnace cement, and it is not affected by the type of cement.
骨材としてはその種類について特に制約を受けず、通常
の砂や砕石、けい砂、軽量骨材(パーライト、シラスバ
ル−ンなど)などが挙げられる。There are no particular restrictions on the type of aggregate, and examples include ordinary sand, crushed stone, silica sand, and lightweight aggregates (perlite, shirasu balloons, etc.).
水は水道水、地下水、海水などを挙げることができる。Examples of water include tap water, groundwater, and seawater.
本発明の組成物には起泡剤の起泡効果を阻害させないな
らば、必要に応じて各種混和剤(材)を併用することも
可能である。これらの混和剤(材)として公知のセメン
ト分散剤(ナフタリンスルホン酸ホルマリン縮合物塩、
メラミンスルホン酸ホルマリン縮合物塩、リグニンスル
ホン酸塩など)、硬化遅延剤(グルコン酸塩、クエン酸
塩、酒石酸塩、ポリリン酸塩など)、硬化促進剤(塩化
カルシウム、亜硝酸塩など)、撥水防水剤(高級脂肪酸
、パラフィンなど)、収縮低減剤(低級アルコールアル
キレンオキシド付加物など)、防錆剤(亜硝酸ナトリウ
ム、亜硝酸カルシウムなど)、急結剤(アルミン酸カル
シウム、カルシウムスルホアルミネートなど)、膨張材
、高炉スラグ、シリカフニーム、石膏、石灰など植種の
ものを挙げることができる。If necessary, various admixtures (materials) may be used in the composition of the present invention as long as they do not inhibit the foaming effect of the foaming agent. These admixtures (materials) include known cement dispersants (naphthalene sulfonic acid formalin condensate salt,
melamine sulfonic acid formalin condensate salt, lignin sulfonate, etc.), curing retarders (gluconate, citrate, tartrate, polyphosphate, etc.), curing accelerators (calcium chloride, nitrite, etc.), water repellent Waterproofing agents (higher fatty acids, paraffin, etc.), Shrinkage reducing agents (lower alcohol alkylene oxide adducts, etc.), Rust inhibitors (sodium nitrite, calcium nitrite, etc.), Accelerating agents (calcium aluminate, calcium sulfoaluminate, etc.) ), expansive materials, blast furnace slag, silica hneem, gypsum, and lime.
セメントと骨材の重量比は通常、90: 10〜5:
95であり、好ましくは80: 20〜20:80
である。水はセメント100重量部に対し、通常30〜
150部、好ましくは40〜100重量部である。本発
明における起泡剤の添加量は、目的とするコンクリート
製品のl1ffi化の程度により異なり特に限定されな
いが、セメントxOcl量部に対して、通常0.01〜
10fE量部、好ましくは0.05〜5重量部である。The weight ratio of cement to aggregate is usually 90:10-5:
95, preferably 80:20 to 20:80
It is. Water is usually 30 to 100 parts by weight of cement.
The amount is 150 parts, preferably 40 to 100 parts by weight. The amount of foaming agent added in the present invention varies depending on the degree of l1ffi conversion of the target concrete product and is not particularly limited, but is usually 0.01 to 0.01 to parts of cement x Ocl.
The amount is 10 fE parts, preferably 0.05 to 5 parts by weight.
0.01未溝では連行される空気mが少なく十分な軽量
化が行えず、10重量部を越えても同様に気泡量が低下
する傾向にある。各種混和剤(材)の量はセメント10
0重量部に対して通常、0〜100重量部、好ましくは
0.1〜50重量部である。If the groove is less than 0.01, the amount of air m entrained is small and sufficient weight reduction cannot be achieved, and even if it exceeds 10 parts by weight, the amount of bubbles tends to decrease as well. The amount of various admixtures (materials) is cement 10
The amount is usually 0 to 100 parts by weight, preferably 0.1 to 50 parts by weight.
本発明の起泡剤を含む気泡コンクリートとしては、土木
、建築用に用いられる現場打設用のコンクリートやモル
タル、工場で生産される各種コンクリートやモルタル2
吹製品など、軽量イヒを必要とする植種のセメント質硬
化体を挙げることができる。Aerated concrete containing the foaming agent of the present invention includes concrete and mortar for on-site pouring used in civil engineering and construction, and various types of concrete and mortar produced in factories.
Examples include hardened cementitious materials such as blown products that require light weight.
本発明の起泡剤を軽量気泡コンクリートの製造に使用す
る場合、起泡剤をあらかじめ水溶液の形で泡立たせてお
き、この泡をセメントスラリー中に導入・させる方法(
プレフォーム法)、及び起泡剤をその他の材料とともに
ミキサー中、撹はんしながら徐々に泡立たせてい(方法
(ミックスフオーム法)とがあるが、何れの方法を採っ
てもさしつかえない。ミックスフオーム法で軽量気泡コ
ンクリートを製造する場合、本発明の起泡剤の添加形態
は特に限定されず、通常、セメント及び骨材を混合し、
混線水没入時に(A)、 (B)両成分の配合物として
、必要に応じて水溶性有機溶剤を使用し、水溶液の形で
添加することが望ましいが、セメント、骨材、水の混練
後、いわゆるセメントスラリーの状態の中に添加しても
よいし、また、あらかじめセメントや骨材に添加したの
ち水を加える添加方法を採ってもよい。さらには本発明
の起泡剤成分をそれぞれ別個に、混練工程の種種の段階
で同時、あるいは順次加えても同等性能に悪影響を及ぼ
すものではない。When the foaming agent of the present invention is used in the production of lightweight cellular concrete, the foaming agent is foamed in the form of an aqueous solution in advance, and the foam is introduced into the cement slurry (
There are two methods: the preform method) and the method of gradually foaming the foaming agent together with other ingredients while stirring in a mixer (the mix foam method), but either method is fine.Mix When producing lightweight cellular concrete by the foam method, the form of addition of the foaming agent of the present invention is not particularly limited, and usually cement and aggregate are mixed,
It is preferable to add both components (A) and (B) in the form of an aqueous solution, using a water-soluble organic solvent if necessary, when immersing the mixed wire in water. It may be added into a so-called cement slurry, or it may be added to cement or aggregate in advance and then water is added. Furthermore, the foaming agent components of the present invention may be added separately at various stages of the kneading process, either simultaneously or sequentially, without adversely affecting equivalent performance.
本発明品を含むモルタル、コンクリートの施工法は従来
の場合と同じでよく、型枠への充填、コーキングガンに
よる注入など植種の方法をとりうる。また、養生方法に
ついても気乾養生、湿空養生、加熱促進養生(蒸気養生
、オートクレーブ養生など)の何れでもよく、また、各
々の養生方法を併用しても差し支えない。The method for constructing mortar and concrete containing the product of the present invention may be the same as conventional methods, and seeding methods such as filling into a formwork and injection using a caulking gun may be used. Furthermore, the curing method may be air dry curing, humid air curing, heating accelerated curing (steam curing, autoclave curing, etc.), and each curing method may be used in combination.
[実施例]
以下、実施例により本発明をさらに説明するが本発明は
これに限定されるものではない。[Examples] Hereinafter, the present invention will be further explained with reference to Examples, but the present invention is not limited thereto.
実施例1〜8 比較例1.2
表−1に示した(A)、 (B)を使用し、表−2に示
すような組合せで(A): (B)=80:20(純
分重量比)とした本発明の起泡剤を得た。Examples 1 to 8 Comparative Example 1.2 Using (A) and (B) shown in Table 1, the combinations shown in Table 2 were made such that (A): (B) = 80:20 (purity A foaming agent of the present invention was obtained.
なお、比較例として、 (A)成分単独(比較例1)、
および(A)成分と水溶性高分子であるメチルセルロー
ス(商品名メトローズE35SH4000信越化学課)
を併用使用した起泡剤(比較例2)についても併せて記
した。In addition, as a comparative example, (A) component alone (comparative example 1),
and (A) component and water-soluble polymer methylcellulose (trade name Metrose E35SH4000 Shin-Etsu Chemical Division)
A foaming agent (Comparative Example 2) that was used in combination with the following was also described.
表−1
表−2
実施例9〜16 比較例3.4
実施例1〜8および比較例1.2の起泡剤を使用し、表
−3に示した材料を用いてミックスフオーム法により軽
量気泡コンクリートを製造し、本発明の組成物を得た。Table-1 Table-2 Examples 9 to 16 Comparative Example 3.4 Using the foaming agents of Examples 1 to 8 and Comparative Example 1.2, and using the materials shown in Table 3, lightweight foam was produced by the mix foam method. Aerated concrete was produced to obtain the composition of the present invention.
これらの組成物について起泡性、気泡安定性試験を行っ
た。Foaming properties and foam stability tests were conducted on these compositions.
すなわち、セメントおよびけい砂をモルタルミキサーに
投入し、1分間低速混練したのち、起泡剤を含む混練水
を添加し、3分間高速混練を行った後の組成物比重の経
時変化を測定した。その結果を表−4に示した。That is, cement and silica sand were put into a mortar mixer, kneaded at low speed for 1 minute, then kneading water containing a foaming agent was added, and kneaded at high speed for 3 minutes. After that, the change in specific gravity of the composition over time was measured. The results are shown in Table-4.
なお、本発明の組成物との比較を行うため、比較例1及
び比較例2の起泡剤を使用した場合の結果も併せて表4
に示した。In addition, in order to make a comparison with the composition of the present invention, the results when using the foaming agents of Comparative Examples 1 and 2 are also shown in Table 4.
It was shown to.
表−4の結果から明らかなように、本発明の起泡剤を使
用することにより、混練後1時間にわたりスラリー比重
の低下は認められず、本発明の起泡剤は気泡の経時安定
性に優れることが判明した。As is clear from the results in Table 4, by using the foaming agent of the present invention, no decrease in the specific gravity of the slurry was observed for 1 hour after kneading, and the foaming agent of the present invention did not affect the stability of the foam over time. It turned out to be excellent.
さらに、このセメントスラリーを工0φX20cmの円
柱モールドに流し込み、蒸気養生(60°C×3時間)
により凝結硬化させたのち、硬化体を縦方向に切断し、
内部気泡の状態を観察したところ、本発明の起泡剤を用
いた硬化体はいずれも微細気泡が均質に分散されている
のに対し、比較例1および比較例2の起泡剤を使用した
硬化体は消泡に起因する収縮や多数の粗泡が認められた
。Furthermore, this cement slurry was poured into a cylindrical mold with a diameter of 0 mm and 20 cm, and steam-cured (60°C x 3 hours).
After coagulating and hardening, cut the cured product vertically,
When the state of the internal bubbles was observed, it was found that fine bubbles were homogeneously dispersed in all the cured products using the foaming agent of the present invention, whereas in the case of using the foaming agents of Comparative Examples 1 and 2. In the cured product, shrinkage due to defoaming and a large number of coarse bubbles were observed.
表−3
表−4
[発明の効果]
本発明の起泡剤は軽量気泡コンクリートの製造において
、起泡力が良好であり、特にコンクリート中に導入され
た気泡の経時安定性に優れることから、本発明の組成物
は硬化以前の消泡に伴う収縮が生ぜず、また、硬化後も
硬化体中に多数の微細気泡が均質に分布するとの特長を
有する。Table 3 Table 4 [Effects of the Invention] The foaming agent of the present invention has good foaming power in the production of lightweight cellular concrete, and in particular has excellent stability over time of the bubbles introduced into the concrete. The composition of the present invention is characterized in that shrinkage due to defoaming does not occur before curing, and a large number of fine bubbles are homogeneously distributed in the cured product even after curing.
従って本発明の起泡剤およびこれを含有する組成物を使
用することにより、比重や強度面で品質の安定した軽量
気泡コンクリートの製造が可能となり、特に、型枠充填
に長時間を要する大型部材や裏込めモルタルなどの建築
、土木材料のuffi化に有用である。Therefore, by using the foaming agent of the present invention and the composition containing the same, it is possible to produce lightweight aerated concrete with stable quality in terms of specific gravity and strength. It is useful for converting architectural and civil engineering materials such as backfill mortar into uffi.
Claims (1)
水素またはメチル基、mは0または1〜5の整数、Xは
アルカリ金属、アンモニウム、またはアミンカチオンで
ある。)で示される化合物からなる起泡成分(A)およ
び炭素数8〜20の脂肪族アルコール(B)からなるこ
とを特徴とする気泡コンクリート製造用起泡剤。 2、請求項1記載の起泡剤、セメント、骨材および水を
必須成分として含有してなることを特徴とする気泡コン
クリート組成物。[Claims] 1. General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (1) (In the formula, R is an aliphatic hydrocarbon group having 8 to 20 carbon atoms, A is hydrogen or a methyl group, and m is 0 or an integer from 1 to 5, X is an alkali metal, ammonium, or amine cation) and a foaming component (A) consisting of a compound represented by the formula (A) and an aliphatic alcohol having 8 to 20 carbon atoms (B) A foaming agent for producing aerated concrete characterized by: 2. A cellular concrete composition comprising the foaming agent according to claim 1, cement, aggregate, and water as essential components.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1069048A JPH0645511B2 (en) | 1989-03-20 | 1989-03-20 | Foaming agents and compositions for cellular concrete |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1069048A JPH0645511B2 (en) | 1989-03-20 | 1989-03-20 | Foaming agents and compositions for cellular concrete |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0350168A true JPH0350168A (en) | 1991-03-04 |
JPH0645511B2 JPH0645511B2 (en) | 1994-06-15 |
Family
ID=13391305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1069048A Expired - Lifetime JPH0645511B2 (en) | 1989-03-20 | 1989-03-20 | Foaming agents and compositions for cellular concrete |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0645511B2 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0710652A (en) * | 1993-06-21 | 1995-01-13 | Asahi Chem Ind Co Ltd | Production of lightweight cellular concrete |
JPH0769754A (en) * | 1993-08-30 | 1995-03-14 | Misawa Homes Co Ltd | Light-weight cellular concrete building material |
JP2003313059A (en) * | 2002-04-23 | 2003-11-06 | Daiichi Kasei Sangyo Kk | Foaming agent for foamed mortar |
JP2005154241A (en) * | 2003-11-28 | 2005-06-16 | Kao Corp | Foaming agent for hydraulic composition |
JP2006045013A (en) * | 2004-08-05 | 2006-02-16 | Sanyo Chem Ind Ltd | Foaming agent for foamed concrete, and foamed concrete |
JP2009013017A (en) * | 2007-07-05 | 2009-01-22 | Dai Ichi Kogyo Seiyaku Co Ltd | Foaming agent for concretes |
JP2010059015A (en) * | 2008-09-04 | 2010-03-18 | Dai Ichi Kogyo Seiyaku Co Ltd | Foaming agent for cement composition |
WO2017058316A1 (en) * | 2015-10-01 | 2017-04-06 | United States Gypsum Company | Foam modifiers for cementitious slurries, methods, and products |
JP2018535909A (en) * | 2015-10-01 | 2018-12-06 | ユナイテッド・ステイツ・ジプサム・カンパニー | Foam modifiers, methods and products for cementitious slurries |
US10662112B2 (en) | 2015-10-01 | 2020-05-26 | United States Gypsum Company | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4603989B2 (en) * | 2006-02-03 | 2010-12-22 | 第一化成産業株式会社 | Plastic lightweight injection material and its filling method |
JP6078936B1 (en) * | 2016-04-12 | 2017-02-15 | 三興コロイド化学株式会社 | Foaming agent for foam mortar |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5523062A (en) * | 1978-08-08 | 1980-02-19 | Furukawa Electric Co Ltd | Manufacture of light weight gypsum product |
JPS63236779A (en) * | 1987-03-06 | 1988-10-03 | アンザス・インダストリース・インコーポレーテッド | Foamed concrete, manufacture of foam raw liquid therefor and equipment therefor |
-
1989
- 1989-03-20 JP JP1069048A patent/JPH0645511B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5523062A (en) * | 1978-08-08 | 1980-02-19 | Furukawa Electric Co Ltd | Manufacture of light weight gypsum product |
JPS63236779A (en) * | 1987-03-06 | 1988-10-03 | アンザス・インダストリース・インコーポレーテッド | Foamed concrete, manufacture of foam raw liquid therefor and equipment therefor |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0710652A (en) * | 1993-06-21 | 1995-01-13 | Asahi Chem Ind Co Ltd | Production of lightweight cellular concrete |
JPH0769754A (en) * | 1993-08-30 | 1995-03-14 | Misawa Homes Co Ltd | Light-weight cellular concrete building material |
JP2003313059A (en) * | 2002-04-23 | 2003-11-06 | Daiichi Kasei Sangyo Kk | Foaming agent for foamed mortar |
JP2005154241A (en) * | 2003-11-28 | 2005-06-16 | Kao Corp | Foaming agent for hydraulic composition |
JP4504758B2 (en) * | 2004-08-05 | 2010-07-14 | 三洋化成工業株式会社 | Foaming agent for cellular concrete and cellular concrete |
JP2006045013A (en) * | 2004-08-05 | 2006-02-16 | Sanyo Chem Ind Ltd | Foaming agent for foamed concrete, and foamed concrete |
JP2009013017A (en) * | 2007-07-05 | 2009-01-22 | Dai Ichi Kogyo Seiyaku Co Ltd | Foaming agent for concretes |
JP2010059015A (en) * | 2008-09-04 | 2010-03-18 | Dai Ichi Kogyo Seiyaku Co Ltd | Foaming agent for cement composition |
WO2017058316A1 (en) * | 2015-10-01 | 2017-04-06 | United States Gypsum Company | Foam modifiers for cementitious slurries, methods, and products |
JP2018535909A (en) * | 2015-10-01 | 2018-12-06 | ユナイテッド・ステイツ・ジプサム・カンパニー | Foam modifiers, methods and products for cementitious slurries |
US10407344B2 (en) | 2015-10-01 | 2019-09-10 | United States Gypsum Company | Foam modifiers for gypsum slurries, methods, and products |
US10662112B2 (en) | 2015-10-01 | 2020-05-26 | United States Gypsum Company | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries |
US11267759B2 (en) | 2015-10-01 | 2022-03-08 | United States Gypsum Company | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries |
Also Published As
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---|---|
JPH0645511B2 (en) | 1994-06-15 |
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