CN109333716A - A kind of chemical discoloration method of wood surface - Google Patents
A kind of chemical discoloration method of wood surface Download PDFInfo
- Publication number
- CN109333716A CN109333716A CN201811442785.2A CN201811442785A CN109333716A CN 109333716 A CN109333716 A CN 109333716A CN 201811442785 A CN201811442785 A CN 201811442785A CN 109333716 A CN109333716 A CN 109333716A
- Authority
- CN
- China
- Prior art keywords
- wood
- discoloration
- wood surface
- chemical
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002023 wood Substances 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 87
- 239000000126 substance Substances 0.000 title claims abstract description 59
- 238000002845 discoloration Methods 0.000 title claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 31
- -1 iron ions Chemical class 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 7
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 7
- 229910001430 chromium ion Inorganic materials 0.000 claims description 6
- 229910001437 manganese ion Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229960000969 phenyl salicylate Drugs 0.000 claims description 6
- 239000012266 salt solution Substances 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 5
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical group [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 5
- 229910001448 ferrous ion Inorganic materials 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical group OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 4
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 229960001173 oxybenzone Drugs 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims 4
- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 claims 1
- QAQSNXHKHKONNS-UHFFFAOYSA-N 1-ethyl-2-hydroxy-4-methyl-6-oxopyridine-3-carboxamide Chemical compound CCN1C(O)=C(C(N)=O)C(C)=CC1=O QAQSNXHKHKONNS-UHFFFAOYSA-N 0.000 claims 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims 1
- 239000013543 active substance Substances 0.000 claims 1
- 229960003280 cupric chloride Drugs 0.000 claims 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims 1
- 238000001291 vacuum drying Methods 0.000 claims 1
- 239000003086 colorant Substances 0.000 abstract description 9
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 43
- 230000008569 process Effects 0.000 description 42
- 230000008859 change Effects 0.000 description 24
- 239000010410 layer Substances 0.000 description 22
- 239000000975 dye Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 229910021645 metal ion Inorganic materials 0.000 description 10
- 230000035699 permeability Effects 0.000 description 10
- 229920001864 tannin Polymers 0.000 description 10
- 235000018553 tannin Nutrition 0.000 description 10
- 239000001648 tannin Substances 0.000 description 10
- 239000007921 spray Substances 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 8
- 230000006698 induction Effects 0.000 description 8
- 229920005610 lignin Polymers 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 7
- 229910001431 copper ion Inorganic materials 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000011265 semifinished product Substances 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 5
- 244000137852 Petrea volubilis Species 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 230000000536 complexating effect Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 238000009738 saturating Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 235000009137 Quercus alba Nutrition 0.000 description 3
- 241001531312 Quercus pubescens Species 0.000 description 3
- 238000005411 Van der Waals force Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- RNKMOGIPOMVCHO-SJMVAQJGSA-N 1,3,6-trigalloyl glucose Chemical compound C([C@@H]1[C@H]([C@@H]([C@@H](O)[C@H](OC(=O)C=2C=C(O)C(O)=C(O)C=2)O1)OC(=O)C=1C=C(O)C(O)=C(O)C=1)O)OC(=O)C1=CC(O)=C(O)C(O)=C1 RNKMOGIPOMVCHO-SJMVAQJGSA-N 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000001263 FEMA 3042 Substances 0.000 description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 2
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 2
- 238000006701 autoxidation reaction Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 229940099607 manganese chloride Drugs 0.000 description 2
- 235000002867 manganese chloride Nutrition 0.000 description 2
- 239000011565 manganese chloride Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229920002258 tannic acid Polymers 0.000 description 2
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 2
- 229940033123 tannic acid Drugs 0.000 description 2
- 235000015523 tannic acid Nutrition 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- NEUSVAOJNUQRTM-UHFFFAOYSA-N cetylpyridinium Chemical compound CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 NEUSVAOJNUQRTM-UHFFFAOYSA-N 0.000 description 1
- 229960004830 cetylpyridinium Drugs 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- XCBKGJWOCHSAMS-UHFFFAOYSA-L copper;dichlorocopper Chemical compound [Cu].Cl[Cu]Cl XCBKGJWOCHSAMS-UHFFFAOYSA-L 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000007447 staining method Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/12—Impregnating by coating the surface of the wood with an impregnating paste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/02—Staining or dyeing wood; Bleaching wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
本发明公开了一种木材表面化学变色方法。该方法是先在木材表面涂敷氯化铜溶液，干燥后再向木材表面涂敷变色剂，再次干燥,完成木材的变色，制得成品。本发明具有优越的渗透性能，变色溶液与木材的结合强度更高，抗流失性更好，使得本发明制得产品呈现的色彩更加丰富、纹理更加清晰、层次感更强，而且变色的方法操作简单，加工过程更为环保。
The invention discloses a method for chemical discoloration of wood surface. In the method, the copper chloride solution is firstly coated on the wood surface, and then the color changing agent is applied to the wood surface after drying, and the wood surface is dried again to complete the discoloration of the wood to obtain a finished product. The invention has superior penetration performance, higher bonding strength between the discoloration solution and wood, and better bleed resistance, so that the products prepared by the invention have richer colors, clearer textures, and stronger layering. Simple and more environmentally friendly processing.
Description
Technical field
The present invention relates to a kind of wood surface chemical color change methods, belong to timber manufacturing field.
Background technique
In recent years, the demand that China is especially natural precious timber for timber resources is increasing, but China itself
Timber resources constantly reduce, need largely from outer import, China's timber resources is seriously deficient, especially natural precious hard
Broadleaf carries out the surface dress of woodwork to improve the economic value added of timber as far as possible using wood single-plate on a large scale
Decorations become the main trend of development.Timber has extraordinary mechanical property and dicoration, in use, to timber
Surface modification be an essential process in timber use process.Traditional wood finishing mode is mostly paint
It adds dyestuff to cover with paint, lacquer, colour wash, etc., reduces grain of wood clarity, the distortion of timber intrinsic colour, native texture is also capped, and color is excessively
Unanimously, the natural sex of timber also greatly reduces.With growing to even greater heights for environmentally friendly cry, under the premise of not using dyestuff, lead to
The method induction sapstain for crossing physics, chemistry, makes it obtain uniformly beauty and natural color, it is original certainly to retain timber
Right texture is a urgent problem to be solved of wood color optimizing research.
Summary of the invention
The object of the present invention is to provide a kind of wood surface chemical color change methods.The present invention has superior permeability
Can, the bond strength of electrochromic solution and timber is higher, and resistance leachability is more preferable, and color that product is presented is made not only more in the present invention
Abundant, texture is more clear, stereovision is stronger, and the method to change colour is easy to operate, and process is more environmentally friendly.
Technical solution of the present invention: a kind of wood surface chemical color change method, this method are first to apply chlorine in wood surface
Change copper solution, applies colour-changing agent to wood surface again after dry, dry again, complete the discoloration of timber, finished product.
Above-mentioned wood surface chemical color change method, the colour-changing agent include 5-30 parts of electrochromic substance, consolidate by weight
1-5 parts of toner, 10-100 parts of surfactant and 800-970 parts of water；The electrochromic substance be containing iron ion, ferrous ion,
The metal salt solution of chromium ion or manganese ion.
Wood surface chemical color change method above-mentioned, the metal salt solution are iron chloride.
Wood surface chemical color change method above-mentioned, the mass percentage concentration of the copper chloride solution are 1%-5%.
Wood surface chemical color change method above-mentioned, the mass percentage concentration of the copper chloride solution are 2%.
Wood surface chemical color change method above-mentioned, the color fixing agent include ultraviolet absorbing agent, and the ultraviolet light is inhaled
Receipts agent is oxybenzone, phenyl salicylate, 2- (- 5 ˊ of 2 ˊ-hydroxyl-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone
Or ESCALOL 567.The surfactant is polyoxyethylene 20 oily ether, alkyl phenol polyoxyethylene ether, alkane
Base sodium sulfonate or sodium lauryl sulfate.
Wood surface chemical color change method above-mentioned, the color fixing agent further include cationic quaternary, the cation
Type quaternary ammonium salt and ultraviolet absorbing agent are matched with 1:1, and the cationic quaternary is cetylpyridinium chloride or bromine
Change cetyl pyridinium.
Wood surface chemical color change method above-mentioned, the ultraviolet absorbing agent are phenyl salicylate；The cationic
Quaternary ammonium salt is cetylpyridinium chloride；The surfactant is alkyl phenol polyoxyethylene ether.
Wood surface chemical color change method above-mentioned, the drying means are dry in vacuum type drying box.
Wood surface chemical color change method above-mentioned, before coating copper chloride solution to wood single-plate, first by wood single-plate
It is placed in closed process tank, into process tank, spray plus steam make temperature in process tank be increased to 100-185 DEG C, and keep steam
Pressure is in undersaturated condition.
Compared with the prior art, the invention has the following advantages:
(1) present invention improves over the ingredient in the method for sapstain and sapstain method, gradation and wood single-plates
It is reacted, induction wood single-plate changes colour, and by handling twice, the color of timber is more abundant, obtained color category
More, the color of presentation is naturally beautiful, texture is more clear, stereovision is stronger, and the method for wood single-plate discoloration operates letter
Single, process is more environmentally friendly, and has the anti-moth ability of good antibacterial.The present invention is applied by several times using two kinds of chemical solutions
Method, timber can be induced to chemically react, to obtain more colors, enrich the color diversity of timber.It is logical
The metal salt solution that contains iron ion, ferrous ion, chromium ion or manganese ion is crossed as the main discoloration ingredient of colour-changing agent to wood
Material veneer carries out secondary discoloration, forms color more abundant.And compared to common such as azo dyes in the market, toxicity is more
Small, stronger to the permeability of timber, coloring material stereovision is strong, can react without heating.Meanwhile copper ion has good sterilization
Antibacterial ability, veneer antibacterial ability, anti-insect ability after discoloration have good improvement.In conclusion the present invention is optimization
Wood color provides new approaches and new method, utilizes with efficient with important to the science processing of raising wood quality and timber
Meaning and practical value.
(2) present invention using iron ion, ferrous ion, chromium ion or manganese ion induction wood single-plate in lignin molecule,
The discoloration of tannin molecule, contains methoxyl group, hydroxyl and carbonyl in lignin molecule, these function bases can be used as iron ion, chromium ion or
The adsorption site of manganese ion and its color development are complexed, and form different colors；Tannin intramolecular has multiple ortho position phenolic hydroxyl groups, can be used as
Multidentate ligand and a central metallic ions are complexed, and form cyclic chelate, and redox reaction, example occurs while complexing
Tannin copper or tannic acid copper are formd as copper ion is reacted with tannin.Tannin autoxidation color burn at quinone.By wood
Molecule in material chemical stain, iron ion, ferrous ion, chromium ion or manganese ion and wood single-plate forms stable chemical bond, with
The bond strength of Wood molecules is higher in wood single-plate, and resistance leachability is stronger.Material composition in wood chemical stain agent includes
Ultraviolet absorbing agent, the colour stability and light resistance after wood veneers discoloration are there has also been being greatly improved, and timber
It learns colour-changing agent to be not necessarily to heat in use, manufacturing way is simple, and the reaction of wood chemical stain is fast, and treatment process is more simple
It is single.
(3) in color fixing agent material composition of the invention include ultraviolet absorbing agent, plank discoloration after colour stability and
There has also been be greatly improved for light resistance.
(4) as a further preference, before coating copper chloride solution to wood single-plate, spray heating steam carries out timber
Heating, and steam pressure is kept to be in undersaturated condition；The process can effectively extract partial air and portion in timber
Point content, gets through the infiltration channel of colour-changing agent, and the color changeable effect and permeability and colour-changing agent for improving colour-changing agent are on timber
Attachment degree.
(5) through stained wood produced by the present invention, and routinely examination criteria carries out item detection, timber to color change portion
The depth of penetration that changes colour in veneer reaches 5~10mm, and color method is made on the surface layer of more traditional paint addition dyestuff modification more to be had
Permeability, and the use of formaldehyde, environmental protection more is greatly reduced.Wearability inspection is carried out to the photochromic layer of wood single-plate
It surveys, is compared compared with traditional paint surface layer as color method, Resistance coefficient improves 2 times or more.Using chemical force microscopes technology to gold
The chemical bond formed in category ion and Wood molecules carries out imaging and shows, metal ion and Wood molecules in wood chemical stain agent
The bond energy of the chemical bond of middle formation, which is far longer than in conventional method, carries out coloring agent formation pigment molecular to timber using coloring agent
Van der Waals force and hydrogen bond between Wood molecules, and the arrangement mode of its chemical bond and combination are with more systematicness and continuously
Property, therefore the photochromic layer binding strength on wood single-plate is strong, resistance leachability is more preferable.
Detailed description of the invention:
Fig. 1: the comparison diagram A of stained wood made from stained wood produced by the present invention and conventional method；
Fig. 2: the optical microphotograph of the bacterial clump of stained wood made from stained wood produced by the present invention and conventional method
Mirror imaging contrast figure；
Fig. 3: the effect contrast figure of stained wood coating copper chloride solution or colour-changing agent produced by the present invention.
Fig. 4: the corresponding steam temperature datagram A under steam pressure saturation state；
Fig. 5: the corresponding steam temperature datagram B under steam pressure saturation state；
Fig. 6: stained wood produced by the present invention different steam pressures and at a temperature of color layers permeability；
Fig. 7: the chemical force microscopes figure of stained wood made from stained wood produced by the present invention and conventional method.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment 1: a kind of wood surface chemical color change method:
The raw material of copper chloride solution and colour-changing agent is added in different vessels respectively in following mass parts ratios, is mixed
Uniformly；
Copper chloride solution
Copper chloride 10g, water 950g；
Colour-changing agent
Frerrous chloride 5g, phenyl salicylate 1g,
Alkyl phenol polyoxyethylene ether 10g, water 950g.
Wood chemical stain is carried out using the wood single-plate of above-mentioned copper chloride solution and colour-changing agent to white oak material, and
It carries out in the steps below:
1. wood single-plate is dried, the dry water content into wood single-plate is 9%；
2. on the wood single-plate after copper chloride solution is uniformly coated on drying with erasing mode, coated weight 30g/
m2, uniformly coating is placed in vacuum oven at 55 DEG C, and rapid draing 25 seconds, semi-finished product are made；
3. colour-changing agent is uniformly coated on semi-finished product with erasing mode, coated weight 30g/m2, uniformly coat postposition
In in vacuum oven at 55 DEG C, rapid draing 25 seconds, complete sapstain, finished product.
Embodiment 2: a kind of wood surface chemical color change method:
The raw material of copper chloride solution and colour-changing agent is added in different vessels respectively in following mass parts ratios, is mixed
Uniformly；
Copper chloride solution
Copper chloride 20g, water 980g；
Colour-changing agent
Iron chloride 10g, phenyl salicylate 1g,
Cetylpyridinium chloride 1g,
Alkyl phenol polyoxyethylene ether 60g, water 922g.
Wood chemical stain is carried out using the wood single-plate of above-mentioned copper chloride solution and colour-changing agent to white oak material, and
It carries out in the steps below:
1. wood single-plate is dried, the dry water content into wood single-plate is 9%；
2. on the wood single-plate after copper chloride solution is uniformly coated on drying with erasing mode, coated weight 35g/
m2, uniformly coating is placed in vacuum oven at 60 DEG C, and rapid draing 30 seconds, semi-finished product are made；
3. colour-changing agent is uniformly coated on semi-finished product with erasing mode, coated weight 35g/m2, uniformly coat postposition
In in vacuum oven at 60 DEG C, rapid draing 30 seconds, complete sapstain, finished product.
Embodiment 3: a kind of wood surface chemical color change method:
The raw material of copper chloride solution and colour-changing agent is added in different vessels respectively in following mass parts ratios, is mixed
Uniformly；
Copper chloride solution
Copper chloride 50g, water 990g；
Colour-changing agent
Manganese chloride 30g, 2,4-DihydroxyBenzophenone 2.5g,
Brocide 2.5g
Alkyl phenol polyoxyethylene ether 100g, water 900g.
Wood chemical stain is carried out using the wood single-plate of above-mentioned copper chloride solution and colour-changing agent to white oak material, and
It carries out in the steps below:
1. wood single-plate is dried, the dry water content into wood single-plate is 9%；
2. on the wood single-plate after copper chloride solution is uniformly coated on drying with erasing mode, coated weight 35g/
m2, uniformly coating is placed in vacuum oven at 65 DEG C, and rapid draing 35 seconds, semi-finished product are made；
3. colour-changing agent is uniformly coated on semi-finished product with erasing mode, coated weight 35g/m2, uniformly coat postposition
In in vacuum oven at 65 DEG C, rapid draing 35 seconds, complete sapstain, finished product.
It takes reference examples 1: selecting the stained wood 1 of certain company made from the sale conventionally of market.
In embodiment 1, embodiment 2 and embodiment 3 specifically for timber induced discoloration effective component be not frerrous chloride,
Iron chloride and manganese chloride, the effect picture of wood single-plate surface discolouration obtained part and reference examples 1, reference examples 2 effect picture such as
Shown in attached drawing 1-2.Embodiment 1, embodiment 2 and embodiment 3 and reference examples 1 take the wood single-plate of similar surface texture in Fig. 1
Surface can significantly be found out from Fig. 1, improve in the method and sapstain method of sapstain as observation object
Ingredient is reacted with wood single-plate by several times, and induction wood single-plate changes colour, embodiment 1,2 and of embodiment after changing colour
The wood single-plate of embodiment 3 is compared with reference examples 1, and by handling twice, the color of timber is more abundant, obtained color category
More, the color of presentation is naturally beautiful, texture is more clear, stereovision is stronger, and can be seen that embodiment 2 from Fig. 1 and Fig. 2
In induction wood single-plate color changeable effect it is best.By detecting instrument conventional on the market to embodiment 1, embodiment 2, implementation
Wood single-plate in example 3, reference examples 1 carries out pernicious gas detection, the wood single-plate of discovery embodiment 1, embodiment 2, embodiment 3
Due to less not using conventional coloring agent and dyeing formaldehyde, toxicity is smaller.To embodiment 1, embodiment 2, embodiment 3
After carrying out conventional bacterial clump pollution with reference examples 1, Example 1, embodiment 2 and reference examples 1 carry out optical microscopy sight
It examines, bacterial clump imaging is carried out to photochromic layer or dyeing layer surface, imaging results are as shown in Fig. 2.Comparative example and right
As usual, it can significantly find out, multiple chemical discoloration is carried out to timber through the invention, maintains the sterilization antibacterial of copper ion
Ability, bacterial clump declines to a great extent relative to the quantity in reference examples in embodiment, veneer antibacterial ability after discoloration, anti-insect
Ability has good improvement.
Embodiment 4: the stained wood of Example 2 is as test specimen 1.
Test specimen 2: change the preparation method in embodiment 2, copper chloride solution is uniformly coated on timber with erasing mode
On veneer, coated weight 35g/m2, it is uniformly interior at 60 DEG C using vacuum oven is placed in after coating, rapid draing 30 seconds, but
Without the coating of colour-changing agent, and semi-finished product are made as test specimen 2.
Test specimen 3: the preparation method in change embodiment 2, the coating before coating colour-changing agent without copper chloride solution,
Colour-changing agent is directly uniformly coated on wood single-plate with erasing mode, coated weight 35g/m2, uniformly use and set after coating
In at 60 DEG C, rapid draing 30 seconds, obtained stained wood was as test specimen 3 in vacuum oven.
Contrast specimen 1, test specimen 2 and test specimen 3, the condition changed are that test specimen 1 is that copper chloride solution is coated with colour-changing agent,
Test specimen 2 is only coated with copper chloride copper solution, and test specimen 3 is only coated with colour-changing agent, and the effect picture eventually formed is as shown in Fig. 2.It is attached
The test specimen 1 shown in Fig. 3 relative to test specimen 2 and test specimen 3, the color of the wood single-plate after secondary discoloration is more naturally beautiful,
Texture is more clear, stereovision is stronger, and is changed colour using single use copper chloride solution or colour-changing agent, effect relative to
The effect that timber after secondary discoloration is presented is more inadequate.Therefore, the processing of discoloration twice, the color of timber are carried out to wood single-plate
More abundant, obtained color category is more, and practicability is stronger.
Embodiment 5: the stained wood of Example 2 is as test specimen A.
Test specimen B: take stained wood made from the sale conventionally of market as test specimen B.
Test specimen C: wood single-plate is placed in close by the preparation method changed in embodiment 2 before timber is dried
In the process tank closed, into process tank, spray plus steam make temperature in process tank be increased to 125 DEG C, and make steam pressure in process tank
It is maintained at 0.2MPa, steam pressure in process tank is made to be in undersaturated condition, referring to shown in attached drawing 4-5, is kept for 5 hours, processing
It is carried out afterwards according to remaining step in embodiment 2, test specimen C is made.
Test specimen D: wood single-plate is placed in close by the preparation method changed in embodiment 2 before timber is dried
In the process tank closed, into process tank, spray plus steam make temperature in process tank be increased to 165 DEG C, and make steam pressure in process tank
It is maintained at 0.2MPa, referring to shown in attached drawing 4-5, the steam pressure in process tank is in undersaturated condition at this time, and according to implementation
Remaining step carries out in example 2, and test specimen D is made.
Test specimen E: wood single-plate is placed in close by the preparation method changed in embodiment 2 before timber is dried
In the process tank closed, into process tank, spray plus steam make temperature in process tank be increased to 125 DEG C, and make steam pressure in process tank
Saturation state is kept, referring to shown in attached drawing 4-5, the steam pressure in process tank is 0.23MPa at this time, and according in embodiment 2
Remaining step carries out, and test specimen E is made.
Test specimen F: wood single-plate is placed in close by the preparation method changed in embodiment 2 before timber is dried
In the process tank closed, into process tank, spray plus steam make temperature in process tank be increased to 165 DEG C, and make steam pressure in process tank
Saturation state is kept, referring to shown in attached drawing 4-5, the steam pressure in process tank is 0.71MPa at this time, and according in embodiment 2
Remaining step carries out, and test specimen F is made.
Test specimen G: wood single-plate is placed in close by the preparation method changed in embodiment 2 before timber is dried
In the process tank closed, into process tank, spray plus steam make temperature in process tank be increased to 180 DEG C, and make steam pressure in process tank
Saturation state is kept, referring to shown in attached drawing 4-5, the steam pressure in process tank is 1MPa at this time, and according to remaining in embodiment 2
Step carries out, and test specimen F is made.
The dye layer position of test specimen A, B, C, D, E, F, G are carried out cutting acute processing, and the saturating rate of the dye for measuring its coloring agent, be surveyed
It is as shown in Fig. 6 to measure result.Compare common staining method made from test specimen B with according to test specimen A, C produced by the present invention, D, E, F,
The thickness of the wood staining layer of G, can significantly find, the thickness of dye layer is greater than conventional in wood single-plate produced by the present invention
Stained wood made from method, therefore, the color penetration rate for inducing wood chemistry repeatedly to change colour presented through the invention are significant
Enhancing.
Contrast specimen A, test specimen F, test specimen C, test specimen E, test specimen D and test specimen G are greater than the dye of test specimen A on the thickness of dye layer
Chromatograph thickness, and it carries out wood chemistry dyeing according to identical temperature and color changing method, it is practical to find vapour pressure in process tank
The color that power is in undersaturated condition contaminates the rate color in a saturated state significantly better than steam pressure in process tank and contaminates saturating rate,
Color changeable effect is more preferable.It can be seen that wood single-plate is placed in closed process tank, before wood single-plate drying process to place
Spray plus steam are heated in reason tank, and steam pressure is kept to be in undersaturated condition；The process can be extracted effectively
Partial air in wood single-plate and part content out, get through infiltration channel, improve the color changeable effect of colour-changing agent and to timber
The saturating rate of the dye of veneer.But wood color amount of thickness of temperature when 165 DEG C than 125 DEG C is more shallow, is primarily due to timber and exists
It can be carbonized when high temperature, lignin molecule, the tannin molecule of wood surface are dehydrated carbonization at high temperature, can not be with sapstain agent
In copper ion carry out complex reaction so that the wood staining thickness degree under high-temperature steam shoals.
Embodiment 6: except the color observation and timber change that embodiment 1, embodiment 2, embodiment 3, reference examples 1 are carried out with surface
Except the permeability survey of chromatograph, wearability also is carried out to color layers and is detected.It will be real using sand paper abrasion test (SPAT)-
The sand paper disc friction that example 1, embodiment 2, embodiment 3, reference examples 1 use square (5 5 centimetres of cm x) respectively is applied, with per minute
50 sand paper that swing back and forth make being rubbed for thickness of the wood color layer of wood single-plate and lose, totally to color layers friction
The intrinsic colour of wood single-plate is shown afterwards, and the Rubbing number and fraction time when eliminating totally with color layers indicate its infiltration
Rate, and measure the thickness of color layers, measures that the results are shown in Table 1.
Table 1
The sand paper abrasion test for comparing reference examples and embodiment, makes wood chemical stain according to the present invention, on wood single-plate
Color layers thickness reach 2.9-3.5mm, fraction time and Rubbing number are all mentioned compared with the timber that conventional method surface layer is showed signs of anger significantly
Height, Rubbing number and fraction time when thus being eliminated totally with color layers indicate its permeability, and of the invention effectively changes
It has been apt to wood color permeability.The lignin molecule in metal ion induction wood single-plate, list in metal salt solution of the invention
Peaceful molecule changes colour, and methoxyl group, hydroxyl and carbonyl are contained in lignin molecule, these function bases can be used as the adsorption site of metal ion
It is complexed with its color development, forms different colors；Tannin intramolecular has multiple ortho position phenolic hydroxyl groups, can be used as in multidentate ligand and one
Heart metal ion forms cyclic chelate, redox reaction occurs while complexing, such as copper ion reacts shape with tannin
At tannin copper or tannic acid copper.Tannin autoxidation color burn at quinone.By wood chemical stain, metal ion with
Molecule in wood single-plate forms stable chemical bond, higher with the bond strength of Wood molecules in wood single-plate, and color layers are eliminated
The Rubbing number of needs totally is more and fraction time is longer, and the resistance leachability of color layers is stronger.
After sand paper abrasion test, also by using chemical force microscopes technology to copper ion and iron ion and timber
The chemical bond formed in molecule carries out strength detection.By carrying out functional modification to AFM probe, make the surface of needle point with spy
Different functional group can identify the different functional groups being present in same surface, carry out surface component imaging.It is aobvious using chemical force
Micro mirror pair
Test specimen C and reference examples 1 in embodiment 2, embodiment 5 carry out the different functions that identification is present in same surface
Group then carries out surface component imaging.As attached drawing 7 can significantly find out depositing between reference examples dyeing agent molecule and Wood molecules
Chemical force be intermolecular Van der Waals force or hydrogen bond, bonding mode is irregular, and intermolecular force is small, arrangement mode compared with
It is in disorder；And and in the test specimen C in embodiment 2 and embodiment 5, metal ion induce wood single-plate in lignin molecule, tannin
Molecule discoloration, contains methoxyl group, hydroxyl and carbonyl in lignin molecule, these function bases can be used as the adsorption site of metal ion with
The complexing of its color development, forms different colors, makes to form stable chemical bond between metal ion and Wood molecules, in attached drawing 7
Shown, the mode rule of the adsorption site of metal ion and the complexing of its color development, orderly aligned, the bond energy of chemical bond is far longer than
The bond energy of Van der Waals force or hydrogen bond, therefore induction wood chemical stain, photochromic layer knot are carried out using copper chloride solution and colour-changing agent
Conjunction fastness is strong, and resistance leachability is stronger.The photochromic layer chemical force microscopes of test specimen C in comparative example 2 and embodiment 5 are imaged
Figure, the molecules align mode of the photochromic layer in test specimen C in embodiment 5 more orderly and regular and circularizes, therefore, will be
Before timber is dried, wood single-plate is placed in closed process tank, into process tank, spray plus steam make process tank
Interior temperature is increased to 125-185 DEG C, and steam pressure in process tank is made to be in undersaturated condition, is kept for 4-6 hours, which can
Effectively to extract the partial air and part content in wood single-plate, infiltration channel is got through, the discoloration of colour-changing agent is improved
Effect and to the saturating rate of the dye of wood single-plate, and the tannin molecule in metal ion induction wood single-plate is made to form the chemistry of annular
Key, chemical bond stabilization more of the bonding effect compared with lignin molecule in conjunction with copper ion.As a result, in the test specimen C in embodiment 5
The molecules align mode of photochromic layer more orderly and regular, wearability and permeability also more superior, and then further
Ground enhances the color wearability and permeability of wood single-plate, and it is made to obtain uniformly beauty and natural color, retains timber
Original natural texture promotes its surcharge.
Claims (10)
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