CN116948467B - Fireproof damping floor sound insulation coating and preparation method thereof - Google Patents
Fireproof damping floor sound insulation coating and preparation method thereof Download PDFInfo
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- CN116948467B CN116948467B CN202310908373.8A CN202310908373A CN116948467B CN 116948467 B CN116948467 B CN 116948467B CN 202310908373 A CN202310908373 A CN 202310908373A CN 116948467 B CN116948467 B CN 116948467B
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- antibacterial
- floor sound
- damping floor
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- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 36
- 238000013016 damping Methods 0.000 title claims abstract description 36
- 238000009413 insulation Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 42
- 239000004964 aerogel Substances 0.000 claims abstract description 34
- 229920000587 hyperbranched polymer Polymers 0.000 claims abstract description 30
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 claims abstract description 25
- 229920002752 Konjac Polymers 0.000 claims abstract description 25
- 235000010485 konjac Nutrition 0.000 claims abstract description 25
- 229920002581 Glucomannan Polymers 0.000 claims abstract description 23
- 229940046240 glucomannan Drugs 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010445 mica Substances 0.000 claims abstract description 15
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 12
- CUJVBAPGYBSBHJ-YWBSARSQSA-N 2-[[(1R,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21R,23R,25R,26R,28R,30R,31R,33R,35R,36R,37R,38R,39R,40R,41R,42R,43R,44R,45R,46R,47R,48R,49R)-36,38,40,42-tetrakis(carboxymethoxy)-10,15-bis(carboxymethoxymethyl)-37,39,41,43,44,45,46,47,48,49-decahydroxy-20,25,30,35-tetrakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontan-5-yl]methoxy]acetic acid Chemical compound OC[C@H]1O[C@@H]2O[C@H]3[C@H](O)[C@@H](O)[C@H](O[C@@H]3COCC(O)=O)O[C@H]3[C@H](O)[C@@H](O)[C@H](O[C@@H]3COCC(O)=O)O[C@H]3[C@H](O)[C@@H](O)[C@H](O[C@@H]3COCC(O)=O)O[C@@H]3[C@@H](CO)O[C@H](O[C@@H]4[C@@H](CO)O[C@H](O[C@@H]5[C@@H](CO)O[C@H](O[C@H]1[C@H](OCC(O)=O)[C@H]2O)[C@H](O)[C@H]5OCC(O)=O)[C@H](O)[C@H]4OCC(O)=O)[C@H](O)[C@H]3OCC(O)=O CUJVBAPGYBSBHJ-YWBSARSQSA-N 0.000 claims abstract description 10
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011398 Portland cement Substances 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims description 35
- 238000003756 stirring Methods 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- 150000001412 amines Chemical class 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N p-toluenesulfonic acid Substances CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- BCMYXYHEMGPZJN-UHFFFAOYSA-N 1-chloro-2-isocyanatoethane Chemical compound ClCCN=C=O BCMYXYHEMGPZJN-UHFFFAOYSA-N 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 238000004108 freeze drying Methods 0.000 claims description 4
- VEAZEPMQWHPHAG-UHFFFAOYSA-N n,n,n',n'-tetramethylbutane-1,4-diamine Chemical compound CN(C)CCCCN(C)C VEAZEPMQWHPHAG-UHFFFAOYSA-N 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
- JUXXCHAGQCBNTI-UHFFFAOYSA-N 1-n,1-n,2-n,2-n-tetramethylpropane-1,2-diamine Chemical compound CN(C)C(C)CN(C)C JUXXCHAGQCBNTI-UHFFFAOYSA-N 0.000 claims description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 3
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- TXXWBTOATXBWDR-UHFFFAOYSA-N n,n,n',n'-tetramethylhexane-1,6-diamine Chemical compound CN(C)CCCCCCN(C)C TXXWBTOATXBWDR-UHFFFAOYSA-N 0.000 claims description 2
- 125000005489 p-toluenesulfonic acid group Chemical group 0.000 claims description 2
- 239000003469 silicate cement Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 13
- 238000007142 ring opening reaction Methods 0.000 abstract description 4
- 238000005956 quaternization reaction Methods 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920000592 inorganic polymer Polymers 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 125000001841 imino group Chemical group [H]N=* 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012767 functional filler Substances 0.000 description 1
- -1 halogen chloride Chemical class 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000005805 hydroxylation reaction Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- OLZDXDPSDUSGIS-UHFFFAOYSA-N sulfinylmagnesium Chemical compound [Mg].S=O OLZDXDPSDUSGIS-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical group 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ZISSAWUMDACLOM-UHFFFAOYSA-N triptane Chemical compound CC(C)C(C)(C)C ZISSAWUMDACLOM-UHFFFAOYSA-N 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
- C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of building coating, and discloses a fireproof and damping floor sound-insulation coating and a preparation method thereof, wherein the fireproof and damping floor sound-insulation coating comprises Portland cement, ethylene-vinyl acetate copolymer emulsion, hyperbranched polymer, antibacterial aerogel, talcum powder, flame retardant, mica powder and deionized water; the hyperbranched polymer is prepared by carrying out ring-opening reaction on polyetheramine and triglycidyl para-aminophenol, and then grafting carboxymethyl-beta-cyclodextrin; the antibacterial aerogel is prepared by modifying konjak glucomannan and then carrying out quaternization reaction with long-chain di-tertiary amine, and finally the aerogel is prepared, and the advantages of hyperbranched polymer and antibacterial aerogel are utilized to improve the cracking resistance and antibacterial performance of the coating, so that the fireproof damping floor sound insulation coating which is cracking-resistant and antibacterial is prepared, and the fireproof damping floor sound insulation coating has greater practical popularization value.
Description
Technical Field
The invention relates to the technical field of building coatings, in particular to a fireproof damping floor sound insulation coating and a preparation method thereof.
Background
The coating is a continuous film which is coated on the surface of the object to be protected or decorated and can form firm adhesion with the object to be coated, and the coating can be classified into organic coating, inorganic coating and organic-inorganic composite coating according to the kind of the substrate. The organic paint is divided into two types, namely organic solvent paint and organic water paint, wherein the inorganic paint is produced by using inorganic polymer materials as base materials, and comprises water-soluble silicate, silica sol, organic silicon, inorganic polymer paint and the like, and the organic-inorganic composite paint is prepared by using inorganic polymer materials as base materials and adding the organic polymer materials into the base materials. The paint is used as common material in building construction, and is used mainly in ceiling, wall and floor of building to produce decoration, waterproof, oil-proof, heat insulating, etc. The cement paint is a paint prepared by taking cement as a base material and adding other auxiliary agents, the cement is an inorganic material, and has excellent fireproof performance compared with other organic polymer paints, and the invention patent with the application number of CN201811102055.8 discloses a magnesium oxysulfide cement-based fireproof paint, a preparation method and a construction method. The mica powder is used as an auxiliary agent of the coating, has excellent damping effect, and vibration waves can be repeatedly reflected between mica wafers to weaken vibration energy, so that the mica powder has damping effect.
Along with the development of social economy and the improvement of the living standard of people, noise pollution is increasingly attracting attention, especially in residential buildings, due to tight connection among the buildings, tiny sound or vibration can cause serious noise pollution, sleeping and living of people are easily affected, bacteria and mold are easily bred in areas with high air humidity, the ground is moist, and therefore metabolites of various enzymes, acids and toxins are produced, mildew is caused, peculiar smell is generated, and the service life of the paint is shortened. In addition, the ordinary cement paint can generate larger shrinkage phenomenon after cement is coagulated, so that internal stress is unbalanced, cracking occurs, and the stress difference can cause deep cracks to be formed in the paint, thereby influencing the performance of the paint and shortening the service life of the paint, so that the cement sound insulation paint with cracking resistance and antibacterial performance is developed to have great significance.
Disclosure of Invention
The invention aims to provide a fireproof damping floor sound insulation coating and a preparation method thereof, which solve the following technical problems:
(1) Solves the problem that the cement paint is easy to crack.
(2) Solves the problem of poor antibacterial property of the cement paint.
The aim of the invention can be achieved by the following technical scheme:
the fireproof damping floor sound insulating paint comprises the following raw materials, by weight, 60-80 parts of Portland cement, 20-30 parts of ethylene-vinyl acetate copolymer emulsion, 10-20 parts of hyperbranched polymer, 5-10 parts of antibacterial aerogel, 12-15 parts of talcum powder, 6-8 parts of flame retardant, 6-10 parts of mica powder and 20-30 parts of deionized water.
Further, the flame retardant is any one of magnesium hydroxide and aluminum hydroxide.
Further, the preparation method of the hyperbranched polymer comprises the following steps:
a: mixing polyether amine and isopropanol, raising the temperature to 60-70 ℃, stirring uniformly, adding triglycidyl para-aminophenol, reacting for 12-18h, cooling the product, filtering to separate out a solid sample, washing, and drying in vacuum to obtain hyperbranched polyether amine;
b: and mixing hyperbranched polyetheramine and N, N-dimethylformamide, raising the temperature to 80-90 ℃, stirring uniformly, adding carboxymethyl-beta-cyclodextrin and a catalyst, reacting for 8-12 hours, cooling the product, distilling under reduced pressure to remove the solvent, washing, and drying in vacuum to obtain the hyperbranched polymer.
Further, in step a, the average molecular weight of the polyetheramine is 1000.
Further, in the step B, the catalyst is p-toluenesulfonic acid.
Through the technical scheme, the amino groups at the two ends of the molecular chain of the polyetheramine can be subjected to ring-opening reaction with epoxy groups in a triglycidyl para-aminophenol structure and are continuously subjected to cross-linking polymerization to form hyperbranched polyetheramine with a branch chain structure, and simultaneously, hydroxyl groups generated by the ring-opening reaction in the structure of the hyperbranched polyetheramine can be subjected to esterification reaction with carboxyl groups in a carboxymethyl-beta-cyclodextrin structure under the catalysis of p-toluenesulfonic acid, so that the carboxymethyl-beta-cyclodextrin is grafted into the molecular chain of the hyperbranched polyetheramine to obtain the hyperbranched polymer.
Further, the preparation method of the antibacterial aerogel comprises the following steps:
(1) the method comprises the following steps Mixing konjak glucomannan and 1, 4-dioxane, raising the temperature to 50-60 ℃, adding chloroethyl isocyanate and dibutyltin dilaurate, uniformly mixing, reacting for 4-6 hours, discharging, and washing and vacuum drying to obtain the chlorinated konjak glucomannan;
(2) the method comprises the following steps Mixing the chlorinated konjak glucomannan with ethanol, heating to 60-70 ℃, stirring uniformly, adding long-chain di-tertiary amine, reacting for 8-10h, distilling under reduced pressure to remove the solvent, washing, and drying in vacuum to obtain quaternized konjak glucomannan;
(3) the method comprises the following steps Adding quaternized konjak glucomannan into distilled water, heating to 40-50 ℃, stirring for 3-6h at a rotating speed of 300-400r/min, and freeze-drying and solidifying to obtain the antibacterial aerogel.
Further, in the step (2), the long-chain di-tertiary amine is any one of tetramethyl propane diamine, N, N, N ', N' -tetramethyl-1, 4-butanediamine or N, N, N ', N' -tetramethyl-1, 6-hexanediamine.
According to the technical scheme, under the action of the catalyst, hydroxyl groups in the konjak glucomannan structure can react with isocyanate groups in the chloroethyl isocyanate structure, halogen chlorine is introduced into the konjak glucomannan structure to obtain the chlorinated konjak glucomannan, the halogen functional groups can react with long-chain di-tertiary amine in a quaternization mode and are gradually crosslinked to form a quaternized konjak glucomannan product with a crosslinked structure, and then the quaternized konjak glucomannan product is subjected to freeze drying and curing treatment processes to form the antibacterial aerogel.
A preparation method of a fireproof damping floor sound insulation coating comprises the following steps:
step one: pouring silicate cement, hyperbranched polymer, antibacterial aerogel, talcum powder, flame retardant and mica powder into a stirrer, uniformly mixing, and stirring for 30-40min to obtain premix;
step two: and pouring the ethylene-vinyl acetate copolymer emulsion and deionized water into the premix, continuously stirring for 1-2h, and discharging to obtain the fireproof damping floor sound-insulating coating.
Further, in the first step, the rotating speed of the stirrer is 600-800r/min.
The invention has the beneficial effects that:
(1) According to the invention, the hyperbranched polymer is prepared and mixed with a cement matrix to prepare the cement coating, and the hyperbranched polymer has a dendritic short-chain branch structure and can extend into a gap structure of cement, so that more sites are provided for adhesion of cement particles, the interaction force of the hyperbranched polymer and the cement particles is improved, the rigidity of a hyperbranched polymer molecular skeleton is higher than that of a straight-chain polymer, shrinkage is difficult to occur in a cement solution, the cement particles are uniformly distributed, internal stress is balanced, the cracking resistance of the coating is enhanced, in addition, the carboxymethyl-beta-cyclodextrin is a macromolecule, the dendritic short-chain branch of the hyperbranched polymer is not easy to fold in the hydration process of cement, an anchoring effect is achieved, the cavity structure of the carboxymethyl-beta-cyclodextrin can absorb and store water in the mixing process with deionized water, and when the coating is cured and shrunk, the moisture is slowly released due to pressure, so that the capillary pressure of the cement matrix is reduced, the internal stress is further reduced, and the cracking resistance of the coating is further enhanced.
(2) The antibacterial aerogel is used as the sound insulation filler, so that the antibacterial performance of the paint can be effectively improved, and the problem that the paint has mildewed and peculiar smell due to the fact that a large amount of bacteria and mold are bred to generate metabolic wastes in a dark and moist environment for a long time is avoided, so that the service life of the paint is shortened. In addition, the antibacterial aerogel is prepared from konjak glucomannan serving as a raw material, is used as a functional filler of cement paint, has high porosity and higher specific surface area, and after sound waves contact the surface of the antibacterial aerogel, air in the holes of the antibacterial aerogel can vibrate, and the unique three-dimensional porous network structure can convert sound energy into heat energy in collision between the sound waves and the holes due to the viscosity of the air, so that the sound insulation effect is achieved through heat transfer dissipation of the air.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an infrared spectrum of a hyperbranched polymer according to example 1 of the invention;
FIG. 2 is a scanning electron microscope image of the antibacterial aerogel according to example 1 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
1. Preparation of hyperbranched polymers
A: mixing 2g of polyether amine with the average molecular weight of 1000 with 50mL of isopropanol, raising the temperature to 60 ℃, uniformly stirring, adding 4.5g of triglycidyl para-aminophenol, reacting for 12 hours, cooling the product, filtering to separate out a solid sample, washing, and drying in vacuum to obtain hyperbranched polyether amine;
b: 3g of hyperbranched polyetheramine and 60mL of N, N-dimethylformamide are mixed, the temperature is increased to 80 ℃, stirring is carried out uniformly, 2.6g of carboxymethyl-beta-cyclodextrin and 0.2g of p-toluenesulfonic acid are added for reaction for 10 hours, the product is cooled, the solvent is removed by reduced pressure distillation, washing and vacuum drying are carried out, and the hyperbranched polymer is obtained.
Adopts a TENSOR27 type Fourier transform infrared spectrometer in Bruker company of Germany to carry out a KBr tabletting method on hyperbranched polymer from 4000 cm to 500cm -1 As a result of scanning, as shown in FIG. 1, it is clear from FIG. 1 that the hyperbranched polymer was present at 3406cm -1 The absorbance peak of N-H in imino group appears at 3352cm -1 The absorption peak of the hydroxyl group appears at 3043cm -1 The absorption peak of C-H in benzene ring appears at 2927cm -1 The absorption peak of methyl appears at 2871cm -1 The absorption peak of methylene appears at 1742cm -1 The absorption peak of C=O in the ester group appears at 1294cm -1 The absorption peak of C-N in imino appears, which is caused by ring-opening reaction of amino in polyether amine structure and epoxy group in triglycidyl para-aminophenol structure to generate hydroxyl, and esterification reaction with carboxyl in carboxymethyl-beta-cyclodextrin structure.
2. Preparation of antibacterial aerogel
(1) The method comprises the following steps Mixing 5g of konjak glucomannan and 100m of 1, 4-dioxane, raising the temperature to 60 ℃, adding 7.2g of chloroethyl isocyanate and 0.1g of dibutyltin dilaurate, uniformly mixing, reacting for 6 hours, discharging, and washing and vacuum drying to obtain chlorinated konjak glucomannan;
(2) the method comprises the following steps Mixing 3g of konjak glucomannan chloride with 100mL of ethanol, heating to 60 ℃, stirring uniformly, adding 5.4g of tetramethyl propylene diamine, reacting for 8 hours, distilling under reduced pressure to remove the solvent, washing, and drying in vacuum to obtain quaternized konjak glucomannan; the quaternized konjak glucomannan is tested for nitrogen element content by using a Vario ELIII type element analyzer of Elementar, germany, and the content of the nitrogen element in the quaternized konjak glucomannan is 8.26 percent, which is supposed to be a nitrogen source provided by a quaternary ammonium salt functional group formed by the reaction of halogen chloride in the structure of the chlorinated konjak glucomannan and tertiary amine groups in the structure of tetramethyl propylene diamine;
(3) the method comprises the following steps Adding 2g of quaternized konjak glucomannan into 98g of distilled water, raising the temperature to 50 ℃, stirring for 5 hours at the rotating speed of 400r/min, freeze-drying, and curing for 12 hours at the temperature of 80 ℃ to obtain the antibacterial aerogel.
Analysis of the antibacterial aerogel was performed using a JSM-5600LV electron microscope, and as shown in fig. 2, it is apparent from fig. 2 that the antibacterial aerogel has a porous network structure.
3. Preparation of fireproof damping floor sound insulation paint
Step one: pouring 60 parts of Portland cement, 10 parts of hyperbranched polymer, 5 parts of antibacterial aerogel, 12 parts of talcum powder, 6 parts of flame retardant and 6 parts of mica powder into a stirrer, uniformly mixing, and stirring for 30 min at the rotating speed of 600 r/min to obtain premix;
step two: and pouring 20 parts of ethylene-vinyl acetate copolymer emulsion and 20 parts of deionized water into the premix, continuously stirring for 1h, and discharging to obtain the fireproof damping floor sound-insulating coating.
Example 2
Preparation of fireproof damping floor sound insulation paint
Step one: pouring 70 parts of Portland cement, 15 parts of hyperbranched polymer, 8 parts of antibacterial aerogel, 13 parts of talcum powder, 7 parts of flame retardant and 8 parts of mica powder into a stirrer, uniformly mixing, and stirring at a rotation speed of 700 r/min for 35 min to obtain premix;
step two: and pouring 25 parts of ethylene-vinyl acetate copolymer emulsion and 25 parts of deionized water into the premix, continuously stirring for 1.5 hours, and discharging to obtain the fireproof damping floor sound-insulating coating.
Wherein the hyperbranched polymer and the antibacterial aerogel were prepared in the same manner as in example 1.
Example 3
Preparation of fireproof damping floor sound insulation paint
Step one: pouring 80 parts of Portland cement, 20 parts of hyperbranched polymer, 10 parts of antibacterial aerogel, 15 parts of talcum powder, 8 parts of flame retardant and 10 parts of mica powder into a stirrer, uniformly mixing, and stirring at a rotation speed of 800r/min for 40min to obtain premix;
step two: and pouring 30 parts of ethylene-vinyl acetate copolymer emulsion and 30 parts of deionized water into the premix, continuously stirring for 2 hours, and discharging to obtain the fireproof damping floor sound-insulating coating.
Wherein the hyperbranched polymer and the antibacterial aerogel were prepared in the same manner as in example 1.
Comparative example 1
Preparation of fireproof damping floor sound insulation paint
Step one: pouring 80 parts of Portland cement, 10 parts of antibacterial aerogel, 15 parts of talcum powder, 8 parts of flame retardant and 10 parts of mica powder into a stirrer, uniformly mixing, and stirring at a rotating speed of 800r/min for 40min to obtain a premix;
step two: and pouring 30 parts of ethylene-vinyl acetate copolymer emulsion and 30 parts of deionized water into the premix, continuously stirring for 2 hours, and discharging to obtain the fireproof damping floor sound-insulating coating.
Wherein the antibacterial aerogel was prepared in the same manner as in example 1.
Comparative example 2
Preparation of fireproof damping floor sound insulation paint
Step one: pouring 80 parts of Portland cement, 20 parts of hyperbranched polymer, 15 parts of talcum powder, 8 parts of flame retardant and 10 parts of mica powder into a stirrer, uniformly mixing, and stirring at the rotation speed of 800r/min for 40min to obtain premix;
step two: and pouring 30 parts of ethylene-vinyl acetate copolymer emulsion and 30 parts of deionized water into the premix, continuously stirring for 2 hours, and discharging to obtain the fireproof damping floor sound-insulating coating.
Wherein the hyperbranched polymer was prepared in the same manner as in example 1.
Comparative example 3
Preparation of fireproof damping floor sound insulation paint
Step one: pouring 80 parts of Portland cement, 20 parts of hyperbranched polyetheramine, 10 parts of antibacterial aerogel, 15 parts of talcum powder, 8 parts of flame retardant and 10 parts of mica powder into a stirrer, uniformly mixing, and stirring at a rotation speed of 800r/min for 40min to obtain a premix;
step two: and pouring 30 parts of ethylene-vinyl acetate copolymer emulsion and 30 parts of deionized water into the premix, continuously stirring for 2 hours, and discharging to obtain the fireproof damping floor sound-insulating coating.
Wherein hyperbranched polyetheramine and antibacterial aerogel were prepared in the same manner as in example 1.
Comparative example 4
Preparation of fireproof damping floor sound insulation paint
Step one: pouring 80 parts of Portland cement, 15 parts of talcum powder, 8 parts of flame retardant and 10 parts of mica powder into a stirrer, uniformly mixing, and stirring at a rotation speed of 800r/min for 40min to obtain a premix;
step two: and pouring 30 parts of ethylene-vinyl acetate copolymer emulsion and 30 parts of deionized water into the premix, continuously stirring for 2 hours, and discharging to obtain the fireproof damping floor sound-insulating coating.
Performance detection
a. The fireproof and damping floor sound insulation paint prepared in example 1-example 3 and comparative example 1-comparative example 4 was uniformly coated on a quartz plate, placed in an environment with a temperature of 30 ℃ and a relative humidity of 50% for 60 days, and observed for cracking, and the test results are shown in the following table:
as can be seen from the above table, the fireproof and shock-absorbing floor soundproof coatings prepared in examples 1 to 3 and comparative example 2 all have no cracking, and thus have excellent anti-cracking performance, the fireproof and shock-absorbing floor soundproof coating prepared in comparative example 3 has slight cracking, because hyperbranched polyetheramine having a branched chain structure is added to the coating, but carboxymethyl-beta-cyclodextrin is not grafted, the anti-cracking performance is general, while the fireproof and shock-absorbing floor soundproof coatings prepared in comparative example 1 and comparative example 4 have obvious cracking phenomenon, and the anti-cracking performance is poor because hyperbranched polymer is not added.
b. The fireproof and damping floor sound insulation paint prepared in the examples 1-3 and the comparative examples 1-4 is coated on a cement board, baked to form a coating, staphylococcus aureus is selected as a test strain according to the national standard GB/T21866-2008, and the antibacterial performance of the coating is tested, and the test results are shown in the following table:
as can be seen from the data of the above table, the fire-resistant and shock-absorbing floor soundproof coatings prepared in examples 1 to 3 have high antibacterial efficiency, and since the antibacterial aerogel is added to the cement paint, the fire-resistant and shock-absorbing floor soundproof coatings prepared in comparative examples 1 and 3 have good antibacterial performance, whereas the fire-resistant and shock-absorbing floor soundproof coatings prepared in comparative examples 2 and 4 have poor antibacterial performance since the antibacterial aerogel is not added.
c. Referring to national standard GB/T50121-2005, the fireproof and damping floor sound insulation coatings prepared in examples 1-3 and comparative examples 1-4 were tested for normalized impact sound pressure levels at different impact frequencies of 100Hz, 400Hz and 1600Hz, and the sound insulation performance of the coatings was evaluated by an impact sound pressure level improvement amount DeltaL (dB), and the test results are shown in the following table:
as can be seen from the data of the above table, the fireproof and vibration-damping floor soundproof coatings prepared in examples 1 to 3 have a good soundproof effect, the fireproof and vibration-damping floor soundproof coatings prepared in comparative examples 1 and 3 have a general soundproof effect, and the fireproof and vibration-damping floor soundproof coatings prepared in comparative examples 2 and 4 have a poor soundproof effect because the antibacterial aerogel having the three-dimensional porous network structure is not added.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (3)
1. The fireproof and damping floor sound insulation coating is characterized by comprising the following raw materials, by weight, 60-80 parts of Portland cement, 20-30 parts of ethylene-vinyl acetate copolymer emulsion, 10-20 parts of hyperbranched polymer, 5-10 parts of antibacterial aerogel, 12-15 parts of talcum powder, 6-8 parts of flame retardant, 6-10 parts of mica powder and 20-30 parts of deionized water;
the flame retardant is any one of magnesium hydroxide or aluminum hydroxide;
the preparation method of the hyperbranched polymer comprises the following steps:
a: mixing polyether amine and isopropanol, raising the temperature to 60-70 ℃, stirring uniformly, adding triglycidyl para-aminophenol, reacting for 12-18h, cooling the product, filtering to separate out a solid sample, washing, and drying in vacuum to obtain hyperbranched polyether amine;
in the step A, the average molecular weight of the polyether amine is 1000;
b: mixing hyperbranched polyetheramine and N, N-dimethylformamide, raising the temperature to 80-90 ℃, stirring uniformly, adding carboxymethyl-beta-cyclodextrin and a catalyst, reacting for 8-12 hours, cooling the product, distilling under reduced pressure to remove the solvent, washing, and drying in vacuum to obtain the hyperbranched polymer;
in the step B, the catalyst is p-toluenesulfonic acid;
the preparation method of the antibacterial aerogel comprises the following steps:
(1) the method comprises the following steps Mixing konjak glucomannan and 1, 4-dioxane, raising the temperature to 50-60 ℃, adding chloroethyl isocyanate and dibutyltin dilaurate, uniformly mixing, reacting for 4-6 hours, discharging, and washing and vacuum drying to obtain the chlorinated konjak glucomannan;
(2) the method comprises the following steps Mixing the chlorinated konjak glucomannan with ethanol, heating to 60-70 ℃, stirring uniformly, adding long-chain di-tertiary amine, reacting for 8-10h, distilling under reduced pressure to remove the solvent, washing, and drying in vacuum to obtain quaternized konjak glucomannan;
the long-chain di-tertiary amine is any one of tetramethyl-propylene diamine, N, N, N ', N' -tetramethyl-1, 4-butanediamine or N, N, N ', N' -tetramethyl-1, 6-hexanediamine;
(3) the method comprises the following steps Adding quaternized konjak glucomannan into distilled water, heating to 40-50 ℃, stirring for 3-6h at a rotating speed of 300-400r/min, and freeze-drying and solidifying to obtain the antibacterial aerogel.
2. A method of preparing the fire-resistant and shock-absorbing floor sound-insulating coating according to claim 1, comprising the steps of:
step one: pouring silicate cement, hyperbranched polymer, antibacterial aerogel, talcum powder, flame retardant and mica powder into a stirrer, uniformly mixing, and stirring for 30-40min to obtain premix;
step two: and pouring the ethylene-vinyl acetate copolymer emulsion and deionized water into the premix, continuously stirring for 1-2h, and discharging to obtain the fireproof damping floor sound-insulating coating.
3. The method for preparing the fireproof and damping floor sound insulation paint according to claim 2, wherein in the first step, the rotating speed of the stirrer is 600-800r/min.
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| CN104922058A (en) * | 2015-07-03 | 2015-09-23 | 福建农林大学 | Anti-beriberi konjac glucomannan gelata and preparation method thereof |
| CN106810164A (en) * | 2017-02-09 | 2017-06-09 | 惠州市博罗至诚化工有限公司 | A kind of environment-friendly type water repellent facing coating with porcelain sense and preparation method thereof |
| CN107338505A (en) * | 2016-12-13 | 2017-11-10 | 吴国宪 | A kind of anti-bacterial fibre for low frequency electromagnetic physiotherapy cushion and preparation method thereof |
| CN116375399A (en) * | 2023-03-22 | 2023-07-04 | 河源市源隆新型环保建材有限公司 | Dry-mixed thin-layer anti-cracking plastering mortar and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922058A (en) * | 2015-07-03 | 2015-09-23 | 福建农林大学 | Anti-beriberi konjac glucomannan gelata and preparation method thereof |
| CN107338505A (en) * | 2016-12-13 | 2017-11-10 | 吴国宪 | A kind of anti-bacterial fibre for low frequency electromagnetic physiotherapy cushion and preparation method thereof |
| CN106810164A (en) * | 2017-02-09 | 2017-06-09 | 惠州市博罗至诚化工有限公司 | A kind of environment-friendly type water repellent facing coating with porcelain sense and preparation method thereof |
| CN116375399A (en) * | 2023-03-22 | 2023-07-04 | 河源市源隆新型环保建材有限公司 | Dry-mixed thin-layer anti-cracking plastering mortar and preparation method thereof |
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