CN110183955A - A kind of processing technology of mahogany furniture nano surface coating - Google Patents
A kind of processing technology of mahogany furniture nano surface coating Download PDFInfo
- Publication number
- CN110183955A CN110183955A CN201910550951.9A CN201910550951A CN110183955A CN 110183955 A CN110183955 A CN 110183955A CN 201910550951 A CN201910550951 A CN 201910550951A CN 110183955 A CN110183955 A CN 110183955A
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- China
- Prior art keywords
- coating
- mahogany furniture
- nano
- parts
- processing technology
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- 238000000576 coating method Methods 0.000 title claims abstract description 76
- 239000011248 coating agent Substances 0.000 title claims abstract description 73
- 241000158728 Meliaceae Species 0.000 title claims abstract description 55
- 238000012545 processing Methods 0.000 title claims abstract description 35
- 238000005516 engineering process Methods 0.000 title claims abstract description 23
- 239000002103 nanocoating Substances 0.000 claims abstract description 21
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 239000002023 wood Substances 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000004814 polyurethane Substances 0.000 claims description 36
- 229920002635 polyurethane Polymers 0.000 claims description 36
- 235000021388 linseed oil Nutrition 0.000 claims description 26
- 239000000944 linseed oil Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 244000137852 Petrea volubilis Species 0.000 claims description 21
- 238000011049 filling Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 15
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 9
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 4
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 4
- 235000019260 propionic acid Nutrition 0.000 claims description 4
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000005292 vacuum distillation Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 36
- 239000000853 adhesive Substances 0.000 abstract description 12
- 230000001070 adhesive effect Effects 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000006731 degradation reaction Methods 0.000 abstract description 7
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 20
- 239000000945 filler Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000002242 deionisation method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- -1 silicon Alkane Chemical class 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 240000005020 Acaciella glauca Species 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000003499 redwood Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of processing technologys of mahogany furniture nano surface coating, include the following steps: the first step, weigh raw material;Second step prepares coating;Third step, sanding processing;4th step, polishing;5th step, drying;6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, forms bottom film;7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, forms nano coating.The processing technology of coating of the present invention can be such that coating is preferably combined with mahogany furniture, improve the adhesive force of nano coating, and reduce the impurity between coating and mahogany furniture, avoid air, moisture penetration into furniture, play effective waterproof action, in addition nano coating covering mahogany furniture surface can play the role of absorption degradation formaldehyde, so that mahogany furniture itself is without formaldehyde, and indoor formaldehyde can be purified, it is more in line with environmental requirement, processing technology step of the invention is simple, easy to operate.
Description
Technical field
The invention belongs to furniture surface processing technology fields, and in particular, to a kind of mahogany furniture nano surface coating
Processing technology.
Background technique
With the improvement of living standards, having numerous families, company that mahogany furniture, various rare redwood men are widely used
Whether the protection for having its surface is proper, closes the aesthetics and service life for according with mahogany furniture.
Coating is that one kind (is protected and by decorative object) surface and can form the continuous thin of firm attachment coated in object
The matching engineering material of film, it plays object to protect and increase aesthetic feeling.Coating is as a kind of important chemical products
Building, furniture, communications and transportation, light industry, metallurgy, agricultural so in terms of have been widely used.
Traditional mahogany furniture protects its outer surface using lacquering technique, the disadvantage is that: process is harmful to the human body, i.e.,
There is injury containing body of the formaldehyde to people in traditional coating, the furniture poor water resistance after forming dope layer causes furniture can be used
Service life is short.
Therefore, a kind of processing technology of mahogany furniture nano surface coating is needed, processing technology is simple, process pair
Human body is harmless, and the coating of formation plays effective waterproof action.
Summary of the invention
The purpose of the present invention is to provide a kind of processing technologys of mahogany furniture nano surface coating, to solve following technology
Problem: 1, existing coating processing technology is cumbersome;2, there is the object of injury in coating used in existing coating to human body containing formaldehyde etc.
Matter;3, existing coating waterproofness, adhesive force is not high, is unable to effective protection mahogany furniture.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of processing technology of mahogany furniture nano surface coating, includes the following steps:
The first step, according to following parts by weight: 50-60 parts of modified aqueous polyurethane, 3-5 parts of modified Nano filling, liquid stone
0.5-0.7 parts of wax, 0.2-0.3 parts of levelling agent, 0.2-0.3 parts of defoaming agent, 0.1-0.12 parts of fluorinated diphenyl titanium cyclopentadienyl and deionization
20-30 parts of water weigh raw material;
Second step modified aqueous polyurethane, modified Nano filling, atoleine, levelling agent is added in deionized water, room
Warm 150r/min stirs 30-40min, adds fluorinated diphenyl titanium cyclopentadienyl and defoaming agent, continues to stir 15-20min, be applied
Material;
Third step, sanding processing: sanding surface processing is carried out to mahogany furniture timber using 80# sand paper;
4th step, polishing: first along the grain being polished with 240# sand paper, then is along the grain polished using 320# sand paper, and table is polishing to
Surface roughness is 2.1-2.2 μm;
The mahogany furniture timber that 5th step, polishing are completed is placed in 50 DEG C of infrared baking oven dry 4h, removes moisture;
6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, and wet coating is with a thickness of 25-30 μ
M, first auxiliary UV light irradiate 25-30s, then natural drying at room temperature 48h, form bottom film;
7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, and wet coating is with a thickness of 15-20 μ
M, drying at room temperature 3-4d form nano coating.
Further, the modified Nano filling is prepared by the following method:
(1) diatomite, nano-titanium dioxide and activated alumina are uniformly mixed according to mass ratio for 10:1:4;
(2) said mixture material is added in dehydrated alcohol according to solid-to-liquid ratio 1g:30-40mL, ultrasonic disperse under room temperature
30min obtains dispersion liquid;
(3) silane coupling agent KH560 is added in dispersion liquid, the additional amount of silane coupling agent KH560 is mixed material
2%, react 6h in 90 DEG C of thermostats, after reaction after 12000r/min centrifugation, vacuum drying, obtain modified Nano and fill out
Material.
Further, the modified aqueous polyurethane is prepared by the following method:
(1) linseed oil is subjected to vacuum dehydration, is dehydrated parameter are as follows: 130-140 DEG C of temperature, time 30-40min, vacuum
Residual voltage 0.67kPa is hereinafter, obtain the pretreatment linseed oil of over dry;
(2) under the protection of drying nitrogen, 2, the 2- dihydroxymethyl of 14.7g isophorone diisocyanate, 7.8g is weighed
Propionic acid and 6.5g hexamethylene diisocyanate, which are added, is passed through mouth equipped with agitating paddle, reflux condensing tube, thermometer and nitrogen
In four-hole boiling flask, 200r/min mechanical stirring 20min is gradually warming up to 50 DEG C, and 200r/min is kept at the uniform velocity to stir, in 52 DEG C of perseverances
3h is reacted under the conditions of temperature;
(3) 15.2g hydroxyethyl methacrylate is added in system, reaction to NCO base reaches specified value at 66 DEG C, so
After be added dropwise pretreatment linseed oil 16.3g, after adding, mixture react at 66 DEG C 3h to get arrive aqueous polyurethane it is pre-
Aggressiveness;
(4) performed polymer is cooled to 40 DEG C, be added in 8.3g triethylamine and carboxyl, 30mL deionization is then slowly added dropwise
Water after standing defoaming, by the acetone in vacuum distillation removing system, is modified with 5000r/min high speed emulsification 45min
Aqueous polyurethane.
Further, ultraviolet light parameter in the 6th step: energy density 600mW/cm2, irradiation distance 10cm.
Beneficial effects of the present invention:
Nano coating coating of the invention, as film forming matrix, is synthesizing aqueous polyurethane cream using modified aqueous polyurethane
It joined hydroxyethyl methacrylate and linseed oil during liquid, hydroxyethyl methacrylate be grafted in polyurethane molecular chain
Ethyl ester and linseed oil molecule, the unsaturated double-bond being successfully incorporated into hydroxyethyl methacrylate and linseed oil;It is sub-
Flaxseed oil can partially replace polyester-diol or polyether polyol as crosslinking agent in the synthesis of polyurethane, so that modified poly- ammonia
Ester forms the fine and close reticular structure with high-crosslinking-degree when solidifying, and long containing a large amount of hydrophobic aliphatics in linseed oil structure
Chain, fatty long-chain wind also increase the consistency on nano coating surface mutually, so that hydrone is difficult to penetrate into, so that nanometer applies
Layer has good water resistance;With the grafting of hydroxyethyl methacrylate and linseed oil strand, hydroxyethyl methacrylate second
Ester increases the hard segment content in polyurethane structural, and the Hyarogen-bonding and electrostatic force of intramolecular increase accordingly, the object of hydrogen bond
Reason acts on the tensile strength that can increase nano coating, and the introducing of linseed oil can allow System forming to have the netted of certain degree of cross linking
Structure, coating middle crosslink density increase, and strand is not susceptible to Relative sliding, and tensile strength increases;Simultaneously as in polyurethane
The unsaturated double-bond in hydroxyethyl methacrylate and linseed oil is introduced in strand, under the catalysis of ultraviolet light, also
Oxidative polymerization can occur, the coating penetrated into wood cell pore can be made to crosslink solidification, to be formed big
" anchor " of amount, it is even closer with the interaction of timber (mahogany furniture), improve the adhesive force of nano coating and mahogany furniture;
Modified Nano filling is used in coating material of the invention, the filler in modified Nano filling include diatomite,
The ingredients such as nano-titanium dioxide and activated alumina, diatomite can be used as the carrier of nano-titanium dioxide, and activated alumina is one
Kind good dispersion, porous solid material, it has very big specific surface area, can not only enhance the absorption property of diatomite, and
And it can interact with nano-titanium dioxide;It is that diatomite adsorbs the formaldehyde in gas phase first, when formaldehyde is dense in gas phase
Spend lower, activated alumina can be by the formaldehyde absorbing of low concentration, nano-TiO2Catalytic degradation effect, catalytic degradation first are played again
Aldehyde, finally realizes the purpose of degradable formaldehyde, has both made mahogany furniture itself not contain formaldehyde, but also can be to indoor first
Aldehyde carries out degradation absorption;Also, filler is modified by silane coupling agent, the compatible of filler and coated substrate can be improved
Property, be conducive to the dispersion of filler, play the effect of filler;
The present invention is carrying out mahogany furniture surface to first pass through sand paper to mahogany furniture timber in nano coating process
Surface carries out grinding process, and being polishing to surface roughness is 2.1-2.2 μm, is carried out comprehensively, with sand paper to mahogany furniture timber
It is even, meticulously polish, can not only make its clean surface and flat and smooth, but also the stain on surface can be removed, wolline, drawn
Trace, impression and the adsorbed grease of wood surface, gas etc., so as to improve the chemical property and state at timber surface layer interface,
Be conducive to the coating of post-coatings;By process is sanded, the unevenness of wood surface is reduced, and becomes flat and smooth, one
Determine the contact area that coated substance and substrate are increased in degree, i.e. adhesive force increases, however, roughness is not smaller gets over
Good, meticulous sand milling not only wastes time, consumes resource, but also when substrate surface is excessively flat and smooth, and coated substance can not
Good mechanical interlocking is formed with substrate surface, the adhesive force of film declines instead, after tested, when roughness is 2.1-2.2 μm
When, adhesive force grade reaches 0 grade;
The processing technology of coating of the present invention can be such that coating is preferably combined with mahogany furniture, improve the attachment of nano coating
Power, and the impurity between coating and mahogany furniture is reduced, it avoids air, moisture penetration into furniture, plays effective waterproof
Effect, in addition nano coating covering mahogany furniture surface can play the role of absorption degradation formaldehyde, so that mahogany furniture itself
There is no formaldehyde, and indoor formaldehyde can be purified, be more in line with environmental requirement, processing technology step of the invention is simple, behaviour
Make simplicity, is easy to large-scale promotion.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
A kind of processing technology of mahogany furniture nano surface coating, includes the following steps:
The first step, according to following parts by weight: 50-60 parts of modified aqueous polyurethane, 3-5 parts of modified Nano filling, liquid stone
0.5-0.7 parts of wax, 0.2-0.3 parts of levelling agent, 0.2-0.3 parts of defoaming agent, 0.1-0.12 parts of fluorinated diphenyl titanium cyclopentadienyl and deionization
20-30 parts of water weigh raw material;
Modified aqueous polyurethane, modified Nano filling, atoleine and levelling agent are added in deionized water second step,
Room temperature 150r/min stirs 30-40min, adds fluorinated diphenyl titanium cyclopentadienyl and defoaming agent, continues to stir 15-20min, be applied
Material;
Third step, sanding processing: sanding surface processing is carried out to mahogany furniture timber using 80# sand paper;
4th step, polishing: first along the grain being polished with 240# sand paper, then is along the grain polished using 320# sand paper, and table is polishing to
Surface roughness is 2.1-2.2 μm;
Mahogany furniture timber is carried out with sand paper comprehensively, uniformly, meticulously polish, can not only to make its clean surface and smooth
It is smooth, but also the adsorbed grease of stain, wolline, scratch, impression and wood surface on surface, gas can be removed etc.,
So as to improve the chemical property and state at timber surface layer interface, be conducive to the coating of post-coatings;
By process is sanded, the unevenness of wood surface is reduced, becomes flat and smooth, increase to a certain extent
The contact area of coated substance and substrate, i.e. adhesive force increase, however, roughness be not the smaller the better, meticulous sand milling not
It only wastes time, consume resource, and when substrate surface is excessively flat and smooth, coated substance can not form good with substrate surface
Good mechanical interlocking, the adhesive force of film decline instead, and after tested, when roughness is 2.1-2.2 μm, adhesive force grade reaches
0 grade;
The mahogany furniture that 5th step, polishing are completed is placed in 50 DEG C of infrared baking ovens dry 4h, removes moisture;
6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, and wet coating is with a thickness of 25-30 μ
M, first auxiliary UV light irradiate 25-30s (energy density 600mW/cm2, irradiation distance 10cm), then natural drying at room temperature
48h forms bottom film;
7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, and wet coating is with a thickness of 15-20 μ
M, drying at room temperature 3-4d form nano coating.
The modified Nano filling is prepared by the following method:
(1) diatomite, nano-titanium dioxide and activated alumina are uniformly mixed according to mass ratio for 10:1:4;
(2) said mixture material is added in dehydrated alcohol according to solid-to-liquid ratio 1g:30-40mL, ultrasonic disperse under room temperature
30min obtains dispersion liquid;
(3) silane coupling agent KH560 is added in dispersion liquid, the additional amount of silane coupling agent KH560 is mixed material
2%, react 6h in 90 DEG C of thermostats, after reaction after 12000r/min centrifugation, vacuum drying, obtain modified Nano and fill out
Material;
Filler in modified Nano filling includes the ingredients such as diatomite, nano-titanium dioxide and activated alumina, diatomite
It can be used as the carrier of nano-titanium dioxide, activated alumina is a kind of good dispersion, porous solid material, it has very big
Specific surface area can not only enhance the absorption property of diatomite, and can interact with nano-titanium dioxide;It is diatomite first
Formaldehyde in gas phase is adsorbed, when concentration of formaldehyde is lower in gas phase, activated alumina can receive the formaldehyde absorbing of low concentration
Rice TiO2Catalytic degradation effect, catalytic degradation formaldehyde are played again, finally realize the purpose of degradable formaldehyde;Also, pass through silicon
Alkane coupling agent is modified filler, can improve the compatibility of filler and coated substrate, is conducive to the dispersion of filler, and performance is filled out
The effect of material;
The modified aqueous polyurethane is prepared by the following method:
(1) linseed oil is subjected to vacuum dehydration, is dehydrated parameter are as follows: 130-140 DEG C of temperature, time 30-40min, vacuum
Residual voltage 0.67kPa is hereinafter, obtain the pretreatment linseed oil of over dry;(by hyposynchronous vacuum drying treatment, transparency can be obtained
Linseed oil high, quality is high;On the contrary, causing to contain moisture in linseed oil, then molecule can occur if drying process is improper
Interior dehydration generates dystectic unsaturated dienoic acid, reduces the quality of linseed oil, meanwhile, it can be introduced in subsequent reaction miscellaneous
Matter influences the quality of modified aqueous polyurethane)
(2) under the protection of drying nitrogen, 2, the 2- dihydroxymethyl of 14.7g isophorone diisocyanate, 7.8g is weighed
Propionic acid and 6.5g hexamethylene diisocyanate, which are added, is passed through mouth equipped with agitating paddle, reflux condensing tube, thermometer and nitrogen
In four-hole boiling flask, 200r/min mechanical stirring 20min is gradually warming up to 50 DEG C, and 200r/min is kept at the uniform velocity to stir, in 52 DEG C of perseverances
3h is reacted under the conditions of temperature;
(3) 15.2g hydroxyethyl methacrylate is added in system, reaction to NCO base reaches specified value at 66 DEG C, so
After be added dropwise pretreatment linseed oil 16.3g, after adding, mixture react at 66 DEG C 3h to get arrive aqueous polyurethane it is pre-
Aggressiveness;
(4) performed polymer is cooled to 40 DEG C, be added in 8.3g triethylamine and carboxyl, 30mL deionization is then slowly added dropwise
Water after standing defoaming, by the acetone in vacuum distillation removing system, is modified with 5000r/min high speed emulsification 45min
Aqueous polyurethane;
It joined hydroxyethyl methacrylate and linseed oil, 2,2- dihydroxies during synthesizing aqueous polyurethane emulsion
Methylpropanoic acid and diisocyanate (isophorone diisocyanate, hexamethylene diisocyanate) generation polymerization reaction, 2,2-
Dihydromethyl propionic acid plays function served as bridge, generates the prepolymer that both ends are (- CONH-R-NCO), the prepolymer one end (-
CONH-R-NCO substitution reaction) occurs with the terminal hydroxy group of hydroxyethyl methacrylate, so that hydroxyethyl methacrylate grafts on
On the prepolymer molecule chain, (- the CONH-R-NCO) of the remaining other end reacts with the hydroxyl on linolenic acid molecule to be connect
Branch is in polyurethane molecular chain;In this way, being successfully incorporated into hydroxyethyl methacrylate and flax in modified aqueous polyurethane
Unsaturated double-bond in seed oil;
Linseed oil can partially replace polyester-diol or polyether polyol as crosslinking agent in the synthesis of polyurethane, make
It obtains modified polyurethane and forms the fine and close reticular structure with high-crosslinking-degree when solidifying, and dredged in linseed oil structure containing a large amount of
Water fat long-chain, fatty long-chain wind also increase the consistency on nano coating surface mutually, so that hydrone is difficult to penetrate into, make
Obtaining nano coating has good water resistance;With the grafting of hydroxyethyl methacrylate and linseed oil strand, methyl-prop
Olefin(e) acid hydroxyl ethyl ester increases the hard segment content in polyurethane structural, and the Hyarogen-bonding and electrostatic force of intramolecular increase accordingly,
The physical action of hydrogen bond can increase the tensile strength of nano coating, and the introducing of linseed oil can allow System forming to have certain crosslinking
The reticular structure of degree, coating middle crosslink density increase, and strand is not susceptible to Relative sliding, and tensile strength increases;Simultaneously as
The unsaturated double-bond in hydroxyethyl methacrylate and linseed oil is introduced in polyurethane molecular chain, in urging for ultraviolet light
Under change, moreover it is possible to oxidative polymerization occurs, the coating penetrated into wood cell pore can be made to crosslink solidification, thus
It is formed a large amount of " anchor ", it is even closer with the interaction of timber (mahogany furniture), improve the attached of nano coating and mahogany furniture
Put forth effort.
Embodiment 1
A kind of processing technology of mahogany furniture nano surface coating, includes the following steps:
The first step, according to following parts by weight: 50 parts of modified aqueous polyurethane, 3 parts of modified Nano filling, atoleine 0.5
Part, 0.2 part of levelling agent, 0.2 part of defoaming agent, 0.1 part and 20 parts of deionized water of fluorinated diphenyl titanium cyclopentadienyl weigh raw material;
Second step modified aqueous polyurethane, modified Nano filling, atoleine, levelling agent is added in deionized water, room
Warm 150r/min stirs 30min, adds fluorinated diphenyl titanium cyclopentadienyl and defoaming agent, continues to stir 15min, obtains coating;
Third step, sanding processing: sanding surface processing is carried out to mahogany furniture timber using 80# sand paper;
4th step, polishing: first along the grain being polished with 240# sand paper, then is along the grain polished using 320# sand paper, and table is polishing to
Surface roughness is 2.1-2.2 μm;
The mahogany furniture timber that 5th step, polishing are completed is placed in 50 DEG C of infrared baking oven dry 4h, removes moisture;
6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, and wet coating is with a thickness of 25 μm, first
Auxiliary UV light irradiates 25s, then natural drying at room temperature 48h, forms bottom film;
7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, and wet coating is with a thickness of 15 μm, room
The dry 3d of temperature, forms nano coating.
Embodiment 2
A kind of processing technology of mahogany furniture nano surface coating, includes the following steps:
The first step, according to following parts by weight: 55 parts of modified aqueous polyurethane, 4 parts of modified Nano filling, atoleine 0.6
Part, 0.25 part of levelling agent, 0.25 part of defoaming agent, 0.11 part and 25 parts of deionized water of fluorinated diphenyl titanium cyclopentadienyl weigh raw material;
Second step modified aqueous polyurethane, modified Nano filling, atoleine, levelling agent is added in deionized water, room
Warm 150r/min stirs 35min, adds fluorinated diphenyl titanium cyclopentadienyl and defoaming agent, continues to stir 18min, obtains coating;
Third step, sanding processing: sanding surface processing is carried out to mahogany furniture timber using 80# sand paper;
4th step, polishing: first along the grain being polished with 240# sand paper, then is along the grain polished using 320# sand paper, and table is polishing to
Surface roughness is 2.1-2.2 μm;
The mahogany furniture timber that 5th step, polishing are completed is placed in 50 DEG C of infrared baking oven dry 4h, removes moisture;
6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, and wet coating is with a thickness of 28 μm, first
Auxiliary UV light irradiates 28s, then natural drying at room temperature 48h, forms bottom film;
7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, and wet coating is with a thickness of 18 μm, room
The dry 3.5d of temperature, forms nano coating.
Embodiment 3
A kind of processing technology of mahogany furniture nano surface coating, includes the following steps:
The first step, according to following parts by weight: 60 parts of modified aqueous polyurethane, 5 parts of modified Nano filling, atoleine 0.7
Part, 0.3 part of levelling agent, 0.3 part of defoaming agent, 0.12 part and 30 parts of deionized water of fluorinated diphenyl titanium cyclopentadienyl weigh raw material;
Second step modified aqueous polyurethane, modified Nano filling, atoleine, levelling agent is added in deionized water, room
Warm 150r/min stirs 40min, adds fluorinated diphenyl titanium cyclopentadienyl and defoaming agent, continues to stir 20min, obtains coating;
Third step, sanding processing: sanding surface processing is carried out to mahogany furniture timber using 80# sand paper;
4th step, polishing: first along the grain being polished with 240# sand paper, then is along the grain polished using 320# sand paper, and table is polishing to
Surface roughness is 2.1-2.2 μm;
The mahogany furniture timber that 5th step, polishing are completed is placed in 50 DEG C of infrared baking oven dry 4h, removes moisture;
6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, and wet coating is with a thickness of 30 μm, first
Auxiliary UV light irradiates 30s, then natural drying at room temperature 48h, forms bottom film;
7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, and wet coating is with a thickness of 20 μm, room
The dry 4d of temperature, forms nano coating.
Comparative example 1
The modified aqueous polyurethane of coating raw material in embodiment 1 is changed to common water borne polyurethane.
Comparative example 2
The modified Nano filling of coating raw material in embodiment 1 is removed.
It to the coating in embodiment 1-3 and comparative example 1-2 process, spreads in polyfluortetraethylene plate, drying and forming-film connects
The film to get off carries out water absorption rate test;Mechanics Performance Testing: test tensile strength and elongation at break;Film hardness is according to GB/
T6739-2006 is measured using pencil hardness method;Film adhesive force is according to GB/T1720-1979, using adhesion-force tester, to draw
The measurement of lattice method;Test result is as follows table:
It is found that the water absorption rate of nano coating made from embodiment 1-3 has reached 12.0-12.3%, tensile strength 32.5-
32.8MPa, elongation at break 31.9-33.2%, hardness have reached 4H, and adhesive force has reached 0 grade, compared to comparative example
1, illustrate that modified aqueous polyurethane can be improved the mechanical property and adhesive force of coating, and assign coating good water resistance.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (4)
1. a kind of processing technology of mahogany furniture nano surface coating, which comprises the steps of:
The first step, according to following parts by weight: 50-60 parts of modified aqueous polyurethane, 3-5 parts of modified Nano filling, atoleine
0.5-0.7 parts, 0.2-0.3 parts of levelling agent, 0.2-0.3 parts of defoaming agent, 0.1-0.12 parts of fluorinated diphenyl titanium cyclopentadienyl and deionized water
20-30 parts weigh raw material;
Second step modified aqueous polyurethane, modified Nano filling, atoleine, levelling agent is added in deionized water, room temperature
150r/min stirs 30-40min, adds fluorinated diphenyl titanium cyclopentadienyl and defoaming agent, continues to stir 15-20min, obtains coating;
Third step, sanding processing: sanding surface processing is carried out to mahogany furniture timber using 80# sand paper;
4th step, polishing: first along the grain being polished with 240# sand paper, then is along the grain polished using 320# sand paper, and it is thick to be polishing to surface
Rugosity is 2.1-2.2 μm;
The mahogany furniture timber that 5th step, polishing are completed is placed in 50 DEG C of infrared baking oven dry 4h, removes moisture;
6th step uniformly scratches coating to mahogany furniture surface along grain of wood direction, and wet coating is with a thickness of 25-30 μm, first
Auxiliary UV light irradiates 25-30s, then natural drying at room temperature 48h, forms bottom film;
7th step uniformly scratches coating in bottom film coated surface along grain of wood direction, and wet coating is with a thickness of 15-20 μm, room
The dry 3-4d of temperature, forms nano coating.
2. a kind of processing technology of mahogany furniture nano surface coating according to claim 1, which is characterized in that described to change
Property nanofiller is prepared by the following method:
(1) diatomite, nano-titanium dioxide and activated alumina are uniformly mixed according to mass ratio for 10:1:4;
(2) said mixture material is added in dehydrated alcohol according to solid-to-liquid ratio 1g:30-40mL, ultrasonic disperse under room temperature
30min obtains dispersion liquid;
(3) silane coupling agent KH560 is added in dispersion liquid, the additional amount of silane coupling agent KH560 is mixed material
2%, 6h is reacted in 90 DEG C of thermostats, after reaction after 12000r/min centrifugation, vacuum drying, is obtained modified Nano and is filled out
Material.
3. a kind of processing technology of mahogany furniture nano surface coating according to claim 1, which is characterized in that described to change
Property aqueous polyurethane is prepared by the following method:
(1) linseed oil is subjected to vacuum dehydration, is dehydrated parameter are as follows: 130-140 DEG C of temperature, time 30-40min, vacuum residual voltage
0.67kPa is hereinafter, obtain the pretreatment linseed oil of over dry;
(2) under the protection of drying nitrogen, 2, the 2- dihydromethyl propionic acid of 14.7g isophorone diisocyanate, 7.8g is weighed
And 6.5g hexamethylene diisocyanate is added and is equipped with four mouthfuls that agitating paddle, reflux condensing tube, thermometer and nitrogen are passed through mouth
In flask, 200r/min mechanical stirring 20min is gradually warming up to 50 DEG C, and 200r/min is kept at the uniform velocity to stir, in 52 DEG C of constant temperature items
3h is reacted under part;
(3) 15.2g hydroxyethyl methacrylate is added in system, reaction reaches specified value to NCO base at 66 DEG C, then by
It is added dropwise to pretreatment linseed oil 16.3g, after adding, mixture reacts 3h at 66 DEG C to get Waterborne Polyurethane Prepolymer is arrived;
(4) performed polymer is cooled to 40 DEG C, be added in 8.3g triethylamine and carboxyl, 30mL deionized water is then slowly added dropwise, with
5000r/min high speed emulsification 45min, after standing defoaming, by the acetone in vacuum distillation removing system, it is poly- to obtain modified water-soluble
Urethane.
4. a kind of processing technology of mahogany furniture nano surface coating according to claim 1, which is characterized in that the 6th step
Middle ultraviolet light parameter: energy density 600mW/cm2, irradiation distance 10cm.
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