CN109437793A - A kind of light foam concrete that can largely adsorb finishing pollution object - Google Patents
A kind of light foam concrete that can largely adsorb finishing pollution object Download PDFInfo
- Publication number
- CN109437793A CN109437793A CN201811381424.1A CN201811381424A CN109437793A CN 109437793 A CN109437793 A CN 109437793A CN 201811381424 A CN201811381424 A CN 201811381424A CN 109437793 A CN109437793 A CN 109437793A
- Authority
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- China
- Prior art keywords
- foam concrete
- light foam
- added
- peroxide
- protective film
- Prior art date
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- Granted
Links
- 239000011381 foam concrete Substances 0.000 title claims abstract description 46
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 81
- 150000002978 peroxides Chemical class 0.000 claims abstract description 37
- 239000004568 cement Substances 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004604 Blowing Agent Substances 0.000 claims abstract description 19
- 229920005862 polyol Polymers 0.000 claims abstract description 19
- 150000003077 polyols Chemical class 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims abstract description 13
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 12
- 239000011398 Portland cement Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000006261 foam material Substances 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 17
- RUOFGJLCWJUJRS-UHFFFAOYSA-N 4-(6-carboxy-2,3,4-trihydroxyphenoxy)-4',5,5',6,6'-pentahydroxy-[1,1'-biphenyl]-2,2'-dicarboxylic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1OC1=CC(C(O)=O)=C(C=2C(=CC(O)=C(O)C=2O)C(O)=O)C(O)=C1O RUOFGJLCWJUJRS-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 11
- -1 olefin sulfonate Chemical class 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 229960001922 sodium perborate Drugs 0.000 claims description 10
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 claims description 10
- 229920000881 Modified starch Polymers 0.000 claims description 9
- 239000001913 cellulose Substances 0.000 claims description 9
- 229920002678 cellulose Polymers 0.000 claims description 9
- 235000019426 modified starch Nutrition 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 9
- CITFYDYEWQIEPX-UHFFFAOYSA-N Flavanol Natural products O1C2=CC(OCC=C(C)C)=CC(O)=C2C(=O)C(O)C1C1=CC=C(O)C=C1 CITFYDYEWQIEPX-UHFFFAOYSA-N 0.000 claims description 7
- 235000014220 Rhus chinensis Nutrition 0.000 claims description 7
- 240000003152 Rhus chinensis Species 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 150000002206 flavan-3-ols Chemical class 0.000 claims description 7
- 235000011987 flavanols Nutrition 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 241001474374 Blennius Species 0.000 claims description 6
- HDSBZMRLPLPFLQ-UHFFFAOYSA-N Propylene glycol alginate Chemical compound OC1C(O)C(OC)OC(C(O)=O)C1OC1C(O)C(O)C(C)C(C(=O)OCC(C)O)O1 HDSBZMRLPLPFLQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- 229920001687 Valoneic acid Polymers 0.000 claims description 6
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 239000004530 micro-emulsion Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 239000000770 propane-1,2-diol alginate Substances 0.000 claims description 6
- 235000010409 propane-1,2-diol alginate Nutrition 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 238000006467 substitution reaction Methods 0.000 claims description 6
- 235000013311 vegetables Nutrition 0.000 claims description 5
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 4
- 229940045872 sodium percarbonate Drugs 0.000 claims description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 3
- 229920001612 Hydroxyethyl starch Polymers 0.000 claims description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 3
- 229940050526 hydroxyethylstarch Drugs 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 2
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims description 2
- 239000006210 lotion Substances 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 235000010981 methylcellulose Nutrition 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 229930040373 Paraformaldehyde Natural products 0.000 abstract description 8
- 229920002866 paraformaldehyde Polymers 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 238000000354 decomposition reaction Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract 1
- 235000019256 formaldehyde Nutrition 0.000 description 24
- 239000010408 film Substances 0.000 description 22
- 150000001875 compounds Chemical class 0.000 description 15
- 239000000047 product Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 6
- 229920001864 tannin Polymers 0.000 description 5
- 235000018553 tannin Nutrition 0.000 description 5
- 239000001648 tannin Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000006071 cream Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 208000006673 asthma Diseases 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003183 carcinogenic agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 125000004066 1-hydroxyethyl group Chemical group [H]OC([H])([*])C([H])([H])[H] 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 102000052609 BRCA2 Human genes 0.000 description 1
- 108700020462 BRCA2 Proteins 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101150008921 Brca2 gene Proteins 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005971 DNA damage repair Effects 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 102000001742 Tumor Suppressor Proteins Human genes 0.000 description 1
- 108010040002 Tumor Suppressor Proteins Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000002607 hemopoietic effect Effects 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007777 multifunctional material Substances 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- FWQHRZXEQNUCSY-UHFFFAOYSA-N tert-butyl N-[2-(ethoxycarbonylamino)-5-[(4-fluorophenyl)methyl-prop-2-ynylamino]phenyl]carbamate Chemical compound CCOC(=O)NC1=C(C=C(C=C1)N(CC#C)CC2=CC=C(C=C2)F)NC(=O)OC(C)(C)C FWQHRZXEQNUCSY-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 229960002415 trichloroethylene Drugs 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 239000000225 tumor suppressor protein Substances 0.000 description 1
- 239000002023 wood Substances 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/25—Graffiti resistance; Graffiti removing
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
Abstract
The invention discloses a kind of light foam concretes that can largely adsorb finishing pollution object; it is to be prepared using polyol, portland cement, land plaster, aramid fiber hollow core staple fibers, cement blowing agent, the peroxide products with protective film and water: polyol is added to the water dissolves first; then portland cement, land plaster, aramid fiber hollow core staple fibers are added in solution, continue stirring until to form gelinite；Cement blowing agent is prepared into foam, the peroxide products with protective film are added and are stirred evenly；Foam material is added in gelinite and is uniformly mixed, die for molding maintenance is poured into and obtains light foam concrete finished product in 15-25 days.The light foam concrete that the present invention prepares substantially increases the absorption and capacity of decomposition of the finishing pollutions object such as PARA FORMALDEHYDE PRILLS(91,95) and harmful organic substance, uses more suitable for for civil engineering raw material.
Description
Technical field
The present invention relates to geotechnological concrete, more particularly, to it is a kind of can largely adsorb finishing pollution object (including formaldehyde and
Other toxic organic compounds) light foam concrete.
Background technique
National Program for Medium- to Long-term Scientific and Technological Development (2006-2020) clearly proposes that " primary study exploitation is green
Color architectural design technology, energy-saving building technology and equipment, exquisiteness build and green building construction technology and equipment, energy-saving building material and
Green building material, energy-saving building technology standard ".In recent years, foam concrete is built as a kind of Green energy-saving buildings material
Field more and more extensive cognition and application are built, the superior functions such as lightweight, heat preservation, energy conservation, fire resisting, heat-insulated are embodied, is a kind of
Green multifunctional material plays increasingly important role in building energy saving field.But since function is more single, need into
One step is developed and is expanded to its purposes, to enhance the practicality.
Building materials, adhesive used in finishing (including house decoration and office space finishing) etc., which can volatilize, generates formaldehyde
And various toxic pollutants.Formaldehyde is that there is the gas of intense irritation and structure most simply and with volatile to have
Machine compound.Formaldehyde will cause the damage of human respiratory, the circulatory system and excretory system, and will lead to immune function
It reduces；Formaldehyde is also classified as carcinogenic substance by International Health Organization simultaneously, is tumor suppressor protein originally since formaldehyde can degrade
BRCA2 albumen destroys DNA damage repair mechanism, is a high risk factor for inducing cancer.The whole world have every year 100000 people because
Room air pollution and die of asthma, and wherein 35% be children.According to statistics, Chinese children asthma prevalence is 2-5%, wherein
Child morbidity rate is up to 85% within 1 to 5 year old.Room air pollution has become " the stealthy killer " for threatening health of people.Its source master
Have: wood-based plate and its article of furniture, artificial carpet, carpet lining and carpet adhesive, interior wall coating, wooden furniture, wallpaper with
And various adhesive.These, which produce formaldehydogenic product and solvent reducible coatings, simultaneously can also generate volatile organic compounds
It (VOC), mainly include benzene,toluene,xylene diisocyanate (TDI), styrene, ethylbenzene, butyl acetate, trichloro ethylene, three
Chloromethanes etc., these organic compounds can cause to damage to human respiratory, hemopoietic system, nervous system, can serious shadow
Human health is rung, wherein benzene,toluene,xylene etc. is confirmed as toxic carcinogen by international cancer research institution.
The reliable processing method of PARA FORMALDEHYDE PRILLS(91,95) mainly has following four at present: photocatalytic oxidation, metal onidiges method,
Active carbon adsorption and ozone absorption method, though these methods can PARA FORMALDEHYDE PRILLS(91,95) carry out certain absorption, due to formaldehyde have hold
The characteristics of continuous volatilization, will appear rebound, treatment effect by content of formaldehyde after a certain period of time although processing effect is obvious in short term
It is bad.
Summary of the invention
The purpose of the present invention is to provide a kind of light foam concrete that can largely adsorb finishing pollution object, lightweight bubbles
Foam concrete PARA FORMALDEHYDE PRILLS(91,95) and Organic Pollutants large amount of adsorption, low cost, wide application is general, with good economic efficiency and social effect
Benefit.
To achieve the above object, the present invention can take following technical proposals:
The light foam concrete of the present invention that finishing pollution object can largely be adsorbed is using polyol, silicic acid
Salt cement, land plaster, aramid fiber hollow core staple fibers, cement blowing agent, the peroxide products with protective film and water are according to following
Weight and method are prepared:
Proportion:
10 ~ 20 parts of polyol, 900 ~ 950 parts of portland cement, 30 ~ 45 parts of land plaster, aramid fiber hollow core staple fibers 0.2 ~
1.0 parts, 15 ~ 25 parts of cement blowing agent, 35 ~ 55 parts of the peroxide with protective film, 400 parts of water；
Specific preparation step:
Polyol is added to the water and dissolves by the first step, then successively will be in portland cement, land plaster, aramid fiber
Hollow short fiber is added in solution, continues stirring until that form uniform gelinite spare；
Cement blowing agent is prepared into foam by second step, and the peroxide products with protective film are then added stirring
Uniformly；
Third step, by the foam material of second step be added to the first step preparation gelinite in be uniformly mixed, pour into mold at
It is conserved 15-25 days after type, obtains the light foam concrete finished product with formaldehyde adsorption and Organic Pollutants.
Polyol used in the present invention is the cold soluble vegetable extract of 500 ~ 3000 Da of molecular weight.
The cold soluble vegetable extract is the valoneaic acid being used in compounding individually or in proportion, 1,3,4,6- tetra- nutgall acyl-
2- β-D-Glucose, two flavanols.
For the water solubility for improving tannin extract, precipitating is reduced, increases its reactivity with formaldehyde, in actual use, can be used and change
The polyol of property.Sulfiting is carried out to polyol to be modified, i.e., introduces in the tannin molecule of slightly solubility
Sulfonic group (- SO3Na).The reaction carries out in being evaporated to certain density dense glue, 5% ~ 8%(of sodium pyrosulfite total tannin),
70 ~ 90 DEG C of temperature, 1 ~ 3h of stir process.
Used in the present invention with protective film peroxide products the preparation method comprises the following steps:
Using the SODIUM PERCARBONATE or sodium perborate or the mixture of the two of 200 ~ 600 mesh of fineness as peroxide particle, adopt
It is configured to protect with adhesive is added after the mixing of the ratio of cellulose derivative and starch derivatives 1:0.2 ~ 1:0.6 by weight
Cuticula raw material；Peroxide particle and protection film raw material are put into togerther in container and are quickly stirred, makes to protect film raw material equal
It is even to be coated on peroxide particle, it is then dried in vacuo, obtains the peroxide products finished product with protective film.
Cellulose derivative therein is carboxymethyl cellulose, hydroxyethyl cellulose or methylcellulose；The starch derivatives
Biology is acetic starch, carboxymethyl starch or hydroxyethyl starch；The wherein degree of substitution < of cellulose derivative and starch derivatives
0.25。
Adhesive used is seaweed glue, and dosage is the 1 ~ 3% of cellulose derivative and starch derivatives total amount.
Cement blowing agent used in the present invention is by α-sodium olefin sulfonate, propylene glycol alginate and modified silicone resin polyethers microemulsion
The lotion for adding suitable quantity of water to be prepared by 15 ~ 20:0.5 ~ 1:2.5 ~ 4 weight.Commercial product can certainly be used,
But effect is slightly poor.
The present invention utilizes the advantages of foamed concrete large specific surface area to greatest extent, is formed by controlling blowing agent component
Communicate-type bubble structure provides maximum adsorption area and the reacting environment of communicate-type for formaldehyde absorbing, and is added by changing
Property processing polyhydroxylated and object, addition can produce the per-compound of free radical during prepare foamed cement, separately
Outer addition has the fibre composition of absorption and capillarity to organic matter, and the more traditional foaming of the light foam concrete prepared is mixed
Solidifying soil, substantially increases the absorption and capacity of decomposition of the finishing pollutions object such as PARA FORMALDEHYDE PRILLS(91,95) and harmful organic substance, is more suitable for as geotechnique
Building material uses.
The synergetical principle of each ingredient and advantage are embodied in following in light foam concrete prepared by the present invention
Several points:
1, hydroxyl radical free radical caused by peroxide (OH) and Superoxide anion free radical (O are utilized2) to toxic organic compound
It is decomposed, wherein the reaction of hydroxyl radical free radical can be 402.8 MJ/mol, can destroy C-C, C-H, C-N, C- in organic matter
O, the keys such as N-H, make organic pollution materials in OH and O2Under the action of be completely oxidized to innocuous substance CO2And H2O.This hair
Peroxide (SODIUM PERCARBONATE and sodium perborate NaBO have been used in bright for the first time3·4H2O hydroxyl can persistently) be generated as a large amount of
The substance of free radical (OH) is acted on as the component of foamed concrete with the absorbing formaldehyde of modified polyhydroxy compound
Cooperate collaboration, preferably promotes the absorption and decomposition of harmful substance.
2, it when preparing foamed concrete, joined for the first time and the good modified polyhydroxy of foam performance compatibility
Compound is adsorbed on the basis of not influencing foaming performance of foaming agent using polyol PARA FORMALDEHYDE PRILLS(91,95), is used
Modified polyhydroxy compound predominantly to pass through the vegetable tannin tannin extract containing great amount of hydroxy group that sulphite for modification is crossed include rubber
Bowl acid, 1,3,4,6- tetra- nutgall acyl -2- β-D-Glucose and two flavanols, these substances contain a large amount of phenolic hydroxyl group, can be with
Polycondensation reaction occurs by the fixed phenolic resin ingredient for generating more difficult decomposition of formaldehyde, to avoid the rebound of formaldehyde components with formaldehyde.
3, the present invention cooperates polyol, peroxide according to a certain percentage, the porosity being prepared
Foamed cement cooperates with several formaldehyde adsorbents mutually and plays a role as carrier and reacting environment, and polyol can be with
A large amount of formaldehyde adsorptions are simultaneously converted into the formaldehyde resin for being difficult to decompose, and peroxide a large amount of decomposing formaldehydes and can have in a long time
Evil organic gas, while can be with free formaldehyde caused by last decomposition formaldehyde resin aging and harmful organic gas.
4, the present invention is for the first time using the main light filling body of this building of foamed cement as adsorbing and decomposing formaldehyde
Main carriers and place, having effect, directly contact surface is big, persistent, lower-price characteristic.Simultaneously by adjusting water
Cement foaming agent formula, reduces the bubble diameter of foam concrete as far as possible, and increases number, has the foamed concrete generated
The structure of connected state avoids the formation of closed solid foam structure.
5, in order to make foam concrete realize connection, increase intensity, and realize the perforation and transport of gas, the present invention adds
Enter a certain amount of fire-retardant hydrophilic hollow fibre, foam concrete can be made to become the entirety an of connection and operating gas,
And the steam in air can be absorbed in these hydrophilic hollow fibres, is transported in air by the effect of cavity or capillary
Steam, then persistently reacted with the peroxide ingredient in foam concrete, persistently generate free radicals ingredient.
6, in order to generate free radicals peroxide persistently, it is necessary to give peroxide (SODIUM PERCARBONATE, sodium perborate) surface
One layer of thin polymer film that can gradually degrade is covered, such film can gradually degrade at normal temperature, gradually expose peroxide
It is allowed to react with the steam in air, while decomposing under such polymer thin film high-temp. and under room temperature and will not generate nuisance
Matter.Based on this consideration, the present invention selects cellulose and starch derivatives and bonding compound stabilizer to protect for peroxide
The preparation of film.Meanwhile free radical caused by peroxide can promote the decomposition of coating film, make more peroxide exposures
And it reacts.
Specific embodiment
More detailed explanation is done to the present invention below by specific embodiment, in order to the reason of those skilled in the art
Solution.
Embodiment 1 prepares the 1# light foam concrete that can largely adsorb finishing pollution object
1, non-close type cement blowing agent is prepared
15g α-sodium olefin sulfonate, 0.5g propylene glycol alginate are weighed, 2.5g modified silicone resin polyethers microemulsion FM550 is placed in beaker
In, it adds 2000mL water and stirs evenly, it is spare to obtain required cement foamed agent emulsion.
2, preparation has the sodium perborate particle of protective film
The hydroxyethyl starch solution that the sodium perborate of 200 mesh and degree of substitution are 0.1 is mixed according to the ratio of mass ratio 1:0.5
It closes, adds the seaweed glue of 1% mass ratio, be quickly dried in vacuo after mixing evenly, obtain the sodium perborate with protective film
Grain.
3, composite modified polyol
Select molecular weight for the valoneaic acid of 1000Da, 1,3,4,6- tetra- nutgall acyl -2- β-D-Glucose and two flavanols, three
It is compounded, is stirred evenly according to mass ratio 1:1:1, for use.For the rebound for avoiding formaldehyde components, what is bought is by changing
Property processing raw material.
4, light foam concrete (being prepared according to solid gross mass 1000g) is prepared
1) modified polyhydroxy compound 10g is weighed, is added in 400g water and is dissolved；920 grams of ordinary portland cement are weighed, stone
30 grams of cream powder, aramid fiber hollow core staple fibers (length 0.2-1.2cm) 0.2g is sequentially added into modified polyhydroxy compound solution,
Even stirring 20 minutes, until forming uniform gelinite；
2) non-close type cement blowing agent 15g is steeped into machine with compressed air system and is prepared into foam, be added and cross boron with protective film
Sour sodium particle 40g uniform stirring 10 minutes (revolving speed is controlled at 300 revs/min), measures 6000mL foam and manufactured gelinite is mixed
It closes, stirs evenly and conserved 15 days after pouring into die for molding, prepare 1# light foam concrete.
Embodiment 2 prepares the 2# light foam concrete that can largely adsorb finishing pollution object
1, non-close type cement blowing agent is prepared
α-sodium olefin sulfonate 20g, propylene glycol alginate 1.0g are weighed, modified silicone resin polyethers microemulsion FM550 4.0g is placed in beaker
In, it adds 2000mL water and stirs evenly, it is spare to obtain required cement foamed agent emulsion.
2, preparation has the peroxide particle of protective film
The mixture (mass ratio 1:3) of 400 mesh SODIUM PERCARBONATEs and sodium perborate is molten for 0.1 hydroxyethyl cellulose with degree of substitution
Liquid is mixed according to the ratio of mass ratio 1:0.4, adds the seaweed glue of 1.5% mass ratio, and quickly vacuum is dry after mixing evenly
It is dry, obtain the peroxide particle with protective film.
3, composite modified polyol
Select molecular weight for the valoneaic acid of 1500Da, 1,3,4,6- tetra- nutgall acyl -2- β-D-Glucose and two flavanols, three
It is compounded, is stirred evenly according to mass ratio 1:2:1, for use.
4, light foam concrete (being prepared according to solid gross mass 1000g) is prepared
1) modified polyhydroxy compound 15g is weighed, is added in 400g water and is dissolved；915 grams of ordinary portland cement are weighed, stone
35 grams of cream powder, aramid fiber hollow core staple fibers (length 0.2-1.2cm) 0.5g is sequentially added into modified polyhydroxy compound solution,
Even stirring 30 minutes, until forming uniform gelinite；
2) non-close type cement blowing agent 20g is steeped into machine with compressed air system and is prepared into foam, the peroxide for having protective film is added
Compound particle 35g uniform stirring 15 minutes (revolving speed is controlled at 300 revs/min), measures 6500mL foam and manufactured gelinite is mixed
It closes, stirs evenly and conserved 20 days after pouring into die for molding, prepare 2# light foam concrete.
Embodiment 3 prepares the 3# light foam concrete that can largely adsorb finishing pollution object
1, non-close type cement blowing agent is prepared
α-sodium olefin sulfonate 18g, propylene glycol alginate 0.75g are weighed, modified silicone resin polyethers microemulsion FM550 3.0g is placed in burning
In cup, adds 2000mL water and stir evenly, it is spare to obtain required cement foamed agent emulsion.
2, preparation has the peroxide particle of protective film
The acetic starch solution that the mixture (mass ratio 1:3) of 300 mesh SODIUM PERCARBONATEs and sodium perborate is 0.1 with degree of substitution is pressed
It is mixed according to the ratio of mass ratio 1:0.6, adds the seaweed glue of 2.0% mass ratio, be quickly dried in vacuo after mixing evenly,
Obtain the peroxide particle with protective film.
3, composite modified polyol
Select molecular weight for the valoneaic acid of 3000Da, 1,3,4,6- tetra- nutgall acyl -2- β-D-Glucose and two flavanols, three
It is compounded, is stirred evenly according to mass ratio 2:1:1, for use.
4, light foam concrete (being prepared according to solid gross mass 1000g) is prepared
1) modified polyhydroxy compound 20g is weighed, is added in 400g water and is dissolved；900 grams of ordinary portland cement are weighed, stone
32 grams of cream powder, aramid fiber hollow core staple fibers (length 0.2-1.2cm) 0.8g is sequentially added into modified polyhydroxy compound solution,
Even stirring 25 minutes, forms uniform gelinite；
2) non-close type cement blowing agent 25g is steeped into machine with compressed air system and is prepared into foam, the peroxide for having protective film is added
Compound particle 48g uniform stirring 12 minutes (revolving speed is controlled at 400 revs/min), measures 7000mL foam and manufactured gelinite is mixed
It closes, stirs evenly and conserved 25 days after pouring into die for molding, prepare 3# light foam concrete.
Embodiment 4 prepares the 4# light foam concrete that can largely adsorb finishing pollution object
1, non-close type cement blowing agent is prepared
α-sodium olefin sulfonate 16g, propylene glycol alginate 0.8g are weighed, modified silicone resin polyethers microemulsion FM550 3.5g is placed in beaker
In, it adds 2000mL water and stirs evenly, it is spare to obtain required cement foamed agent emulsion.
2, preparation has the peroxide particle of protective film
The acetic starch solution that the mixture (mass ratio 1:4) of 600 mesh SODIUM PERCARBONATEs and sodium perborate is 0.1 with degree of substitution is pressed
It is mixed according to the ratio of mass ratio 1:0.3, adds the seaweed glue of 2.5% mass ratio, be quickly dried in vacuo after mixing evenly,
Obtain the peroxide particle with protective film.
3, composite modified polyol
Select molecular weight for the valoneaic acid of 1800Da, 1,3,4,6- tetra- nutgall acyl -2- β-D-Glucose and two flavanols, three
It is compounded, is stirred evenly according to mass ratio 2:1:1, for use.
4, light foam concrete (being prepared according to solid gross mass 1000g) is prepared
1) modified polyhydroxy compound 20g is weighed, is added in 400g water and is dissolved；900 grams of ordinary portland cement are weighed, stone
32 grams of cream powder, aramid fiber hollow core staple fibers (length 0.2-1.2cm) 0.8g is sequentially added into modified polyhydroxy compound solution,
Even stirring 25 minutes, forms uniform gelinite；
2) non-close type cement blowing agent 23g is steeped into machine with compressed air system and is prepared into foam, the peroxide for having protective film is added
Compound particle 48g uniform stirring 12 minutes (revolving speed is controlled at 400 revs/min), measures 7000mL foam and manufactured gelinite is mixed
It closes, stirs evenly and conserved 23 days after pouring into die for molding, prepare 4# light foam concrete.
The absorption property of the matter foam concrete PARA FORMALDEHYDE PRILLS(91,95) prepared by the present invention of embodiment 5 is tested
1#, 2#, 3#, 4# light foam concrete exemplar (exemplar quality 1000g) and regular-type foam that embodiment 1 ~ 4 is prepared
Concrete element (control piece, quality 1000g) is placed on progress formaldehyde adsorption test, adsorbance measurement result in same environment and sees below
Table:
It can be seen that the large amount of adsorption of light foam concrete PARA FORMALDEHYDE PRILLS(91,95) prepared by the present invention from upper table result, it is at least traditional
6 times of foam concrete, at most close to 27 times, and the time is longer, and gap is bigger, and effect is more significant.
When preparing, it is appropriate to be carried out in the range of the application records according to specifically used environment to the dosage of each raw material
Adjustment, can reach the good result largely adsorbed to finishing pollution object.
Due to the light foam concrete low raw-material cost that the present invention prepares, environmental sound, preparation method is simple,
The formaldehyde and dirt to human body and the harmful chemical substance of environment, to finishing materials such as houses will not be all generated under various use conditions
Dye organic matter large amount of adsorption, suction-operated are lasting, and product is water and carbon dioxide, will not be generated because formaldehyde absorbing decomposition is brought
Secondary pollution；Processing cost is low, is widely used, with good economic efficiency and social benefit.
Claims (7)
1. a kind of light foam concrete that can largely adsorb finishing pollution object, it is characterised in that: use polyol, silicon
Acid salt cement, land plaster, aramid fiber hollow core staple fibers, cement blowing agent, the peroxide products with protective film and water are under
It states weight and method is prepared:
Proportion:
10 ~ 20 parts of polyol, 900 ~ 950 parts of portland cement, 30 ~ 45 parts of land plaster, aramid fiber hollow core staple fibers 0.2 ~
1.0 parts, 15 ~ 25 parts of cement blowing agent, 35 ~ 55 parts of the peroxide with protective film, 400 parts of water；
Specific preparation step:
Polyol is added to the water and dissolves by the first step, then successively will be in portland cement, land plaster, aramid fiber
Hollow short fiber is added in solution, continues stirring until that form uniform gelinite spare；
Cement blowing agent is prepared into foam by second step, and the peroxide products with protective film are then added stirring
Uniformly；
Third step, by the foam material of second step be added to the first step preparation gelinite in be uniformly mixed, pour into mold at
It is conserved 15-25 days after type, obtains the light foam concrete finished product with formaldehyde adsorption and Organic Pollutants.
2. the light foam concrete according to claim 1 that can largely adsorb finishing pollution object, it is characterised in that: described
Polyol is the cold soluble vegetable extract of 500 ~ 3000 Da of molecular weight.
3. the light foam concrete according to claim 2 that can largely adsorb finishing pollution object, it is characterised in that: described
Cold soluble vegetable extract is individually or the valoneaic acid that is used in compounding in proportion 1,3,4,6- tetra- nutgall acyl -2- β-D-Glucose,
Two flavanols.
4. the light foam concrete according to claim 1 that can largely adsorb finishing pollution object, it is characterised in that: described
Peroxide products with protective film the preparation method comprises the following steps:
Using the SODIUM PERCARBONATE or sodium perborate or the mixture of the two of 200 ~ 600 mesh of fineness as peroxide particle, adopt
It is configured to protect with adhesive is added after the mixing of the ratio of cellulose derivative and starch derivatives 1:0.2 ~ 1:0.6 by weight
Cuticula raw material；
Peroxide particle and protection film raw material are put into togerther in container and are quickly stirred, makes that film raw material is protected uniformly to coat
It on peroxide particle, is then dried in vacuo, obtains the peroxide products finished product with protective film.
5. the light foam concrete according to claim 4 that can largely adsorb finishing pollution object, it is characterised in that: described
Cellulose derivative is carboxymethyl cellulose, hydroxyethyl cellulose or methylcellulose；The starch derivatives is acetic starch,
Carboxymethyl starch or hydroxyethyl starch；The wherein degree of substitution < 0.25 of cellulose derivative and starch derivatives.
6. the light foam concrete according to claim 4 that can largely adsorb finishing pollution object, it is characterised in that: described
Adhesive is seaweed glue, and dosage is the 1 ~ 3% of cellulose derivative and starch derivatives total amount.
7. the light foam concrete according to claim 1 that can largely adsorb finishing pollution object, it is characterised in that: described
Cement blowing agent be by α-sodium olefin sulfonate, propylene glycol alginate and modified silicone resin polyethers microemulsion by 15 ~ 20:0.5 ~ 1:2.5 ~
4 weight adds the lotion that suitable quantity of water is prepared.
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| CN114057449A (en) * | 2021-11-25 | 2022-02-18 | 深圳市中天元实业有限公司 | Light foam concrete |
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