CN114474267A - Corrosion-resistant plywood and preparation method thereof - Google Patents
Corrosion-resistant plywood and preparation method thereof Download PDFInfo
- Publication number
- CN114474267A CN114474267A CN202210182591.3A CN202210182591A CN114474267A CN 114474267 A CN114474267 A CN 114474267A CN 202210182591 A CN202210182591 A CN 202210182591A CN 114474267 A CN114474267 A CN 114474267A
- Authority
- CN
- China
- Prior art keywords
- prepared
- corrosion
- adhesive
- preservative
- plywood
- 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.)
- Pending
Links
- 239000011120 plywood Substances 0.000 title claims abstract description 97
- 238000005260 corrosion Methods 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 61
- 230000007797 corrosion Effects 0.000 title claims abstract description 60
- 230000001070 adhesive effect Effects 0.000 claims abstract description 86
- 239000000853 adhesive Substances 0.000 claims abstract description 85
- 230000002335 preservative effect Effects 0.000 claims abstract description 62
- 239000003755 preservative agent Substances 0.000 claims abstract description 59
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 239000004327 boric acid Substances 0.000 claims abstract description 30
- 238000007731 hot pressing Methods 0.000 claims abstract description 30
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 26
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000005011 phenolic resin Substances 0.000 claims abstract description 23
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 23
- 229910021538 borax Inorganic materials 0.000 claims abstract description 22
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 22
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 22
- RDMZIKMKSGCBKK-UHFFFAOYSA-N disodium;(9,11-dioxido-5-oxoboranyloxy-2,4,6,8,10,12,13-heptaoxa-1,3,5,7,9,11-hexaborabicyclo[5.5.1]tridecan-3-yl)oxy-oxoborane;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].O1B(OB=O)OB(OB=O)OB2OB([O-])OB([O-])OB1O2 RDMZIKMKSGCBKK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000011282 treatment Methods 0.000 claims abstract description 5
- 238000005470 impregnation Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 29
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N alpha-ketodiacetal Natural products O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 22
- 102000007544 Whey Proteins Human genes 0.000 claims description 21
- 108010046377 Whey Proteins Proteins 0.000 claims description 21
- 239000003607 modifier Substances 0.000 claims description 21
- 235000021119 whey protein Nutrition 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 229920001661 Chitosan Polymers 0.000 claims description 14
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 229960000583 acetic acid Drugs 0.000 claims description 11
- 239000012362 glacial acetic acid Substances 0.000 claims description 11
- 229940015043 glyoxal Drugs 0.000 claims description 11
- 238000011221 initial treatment Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- 102000004407 Lactalbumin Human genes 0.000 claims description 6
- 108090000942 Lactalbumin Proteins 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 239000004368 Modified starch Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 235000019426 modified starch Nutrition 0.000 claims description 2
- 239000002023 wood Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 19
- 230000008569 process Effects 0.000 description 16
- 230000002421 anti-septic effect Effects 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 241000233866 Fungi Species 0.000 description 7
- 210000002421 cell wall Anatomy 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 125000005619 boric acid group Chemical group 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical group C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 235000018102 proteins Nutrition 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 238000009755 vacuum infusion Methods 0.000 description 3
- 241000256602 Isoptera Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- -1 boron ions Chemical class 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241001481710 Cerambycidae Species 0.000 description 1
- 240000008397 Ganoderma lucidum Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002289 effect on microbe Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000003171 wood protecting agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- 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
- B27K3/08—Impregnating by pressure, e.g. vacuum 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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/163—Compounds of boron
-
- 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
- B27K3/34—Organic impregnating agents
- B27K3/38—Aromatic compounds
-
- 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
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J189/00—Adhesives based on proteins; Adhesives based on derivatives thereof
-
- 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
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/026—Wood layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/62—Boxes, cartons, cases
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The application relates to the field of plywood preparation, in particular to corrosion-resistant plywood and a preparation method thereof, and the preparation method comprises the following steps: s1: drying a plurality of single plates, soaking the single plates in a preservative solution, carrying out vacuum impregnation treatment on the single plates and the preservative solution, and taking out to obtain a primary treated plate; the preservative solution is prepared from a preservative, water-soluble phenolic resin, a curing agent and water according to the mass ratio (0.4-0.6): (15-25): (1-1.5): (95-105); the preservative is any one of boric acid, borax and disodium octaborate tetrahydrate; s2: drying the primary treated board prepared in the step S1 to prepare a standby board; s3: coating an adhesive on the standby boards prepared in the step S2, and bonding a plurality of standby boards to each other to prepare a composite board; s4: and (5) carrying out hot pressing and cutting on the composite board prepared in the step S3 to obtain the composite board. This application has the advantage that improves the corrosion resistance of plywood.
Description
Technical Field
The application relates to the field of plywood preparation, in particular to corrosion-resistant plywood and a preparation method thereof.
Background
The plywood is a plate material formed by bonding veneers through an adhesive, is usually used for packing box materials of planes, trains and buildings, and needs good strength to prolong the service life of the plywood, so that the plywood is prevented from being broken in the using process; meanwhile, the plywood is a wood board, so that the plywood is easy to corrode by microorganisms and moths in the long-time use and storage process, the plywood is mildewed and discolored, the toughness and the use strength of the plywood are influenced, and the service life of a finished product prepared from the plywood is further influenced.
In the above-described related art, the inventors consider that: the corrosion resistance of the existing plywood needs to be improved.
Disclosure of Invention
In order to improve the corrosion resistance of the plywood, the application provides the corrosion-resistant plywood and the preparation method thereof.
In a first aspect, the application provides a method for preparing a corrosion-resistant plywood, which adopts the following technical scheme: a preparation method of corrosion-resistant plywood comprises the following steps:
s1: drying a plurality of single plates, soaking the single plates in a preservative solution, carrying out vacuum impregnation treatment on the single plates and the preservative solution, and taking out to obtain a primary treated plate; the preservative solution is prepared from a preservative, water-soluble phenolic resin, a curing agent and water according to a mass ratio of (0.4-0.6): (15-25): (1-1.5): (95-105); the preservative is any one of boric acid, borax and disodium octaborate tetrahydrate;
s2: drying the primary treated board prepared in the step S1 to prepare a standby board;
s3: coating an adhesive on the standby boards prepared in the step S2, and bonding a plurality of standby boards to each other to prepare a composite board;
s4: and (5) carrying out hot pressing and cutting on the composite board prepared in the step S3 to obtain the composite board.
By adopting the technical scheme, the plywood is formed by bonding the wood veneers, so that the plywood faces the problems of bacterial corrosion, mildew, decay and the like in the long-time use process, the veneer is soaked in the preservative solution, and after the wood is treated by using boric acid, borax or disodium octaborate tetrahydrate as a preservative, the original color and luster of the wood are not influenced, meanwhile, the permeability is strong, and the corrosion resistance of the wood is relatively comprehensive; the boric acid has a certain prevention effect on wood rot fungi and chromobacteria, can prevent insect ants from corroding the plywood and has an antiseptic effect on the plywood; the borax has good solubility, has a control effect on fungi, and also has a good control effect on corrosion of domestic longicorn and borers; the disodium octaborate tetrahydrate belongs to one of metal-free boron preservatives, has good control effect on various wood decay fungi and pests, and has good dissolving performance; but boric acid, borax and disodium octaborate tetrahydrate are difficult to fix in wood, and the preservative is easy to run off in the use process of the plywood; the water-soluble phenolic resin is added, and simultaneously vacuum impregnation treatment is utilized, so that the water-soluble phenolic resin drives the preservative to permeate into the wood cell walls and to fill the wood cell walls, and the water-soluble phenolic resin is cured through a curing agent in the process of drying the primary treatment plate, so that the preservative is fixed in the wood, and the loss rate of the preservative is reduced; the penetration effect of the water-soluble phenolic resin and the preservative can also enhance the strength of wood cell walls, improve the compressive strength of the prepared plywood, ensure that the prepared plywood has good corrosion resistance and prolong the service life of the plywood.
Preferably, the preservative in the step S1 is prepared from boric acid, borax, disodium octaborate tetrahydrate in a mass ratio of (1-2): (1-2): (2-3).
By adopting the technical scheme, the boric acid has good anticorrosion effect on wood, but has a corrosion effect on metal, so that a large amount of boric acid is avoided; the borax has a weak anti-corrosion effect on microorganisms, but can relieve the corrosion effect of boric acid on metals and improve the solubility of the boric acid and the borax in water; the disodium octaborate tetrahydrate has excellent water solubility and a good termite-resistant effect, so that the prepared plywood has good corrosion resistance by the combined mixing action of the boric acid, the borax and the disodium octaborate tetrahydrate and the good fixing effect of the water-soluble phenolic resin.
Preferably, when the primary treated board is dried in step S2, the primary treated board is dried at 50-70 ℃ for 4-5h, and then dried at 100-120 ℃ for 8h to obtain the standby board.
By adopting the technical scheme, the primary treatment plate is dried at 50-70 ℃, and then is dried at the temperature of 100-120 ℃, so that the water in the primary treatment plate is fully evaporated, and simultaneously the water-soluble phenolic resin can be cured to the maximum extent; meanwhile, the phenomenon of heat damage caused by directly drying the wood at a higher temperature environment is avoided, and the strength of the wood is influenced by the heat damage, so that the wood is more easily corroded; the prepared plywood has better use strength and corrosion resistance.
Preferably, the adhesive is prepared from chitosan, whey protein, a modifier and a 1% glacial acetic acid solution according to the mass ratio of (1-3): (3-5): (0.5-0.8): (15-25); the modifier is any one of glyoxal and glutaraldehyde.
By adopting the technical scheme, the adhesive is prepared by mixing chitosan, lactalbumin, a modifier and a 1% glacial acetic acid solution together, the chitosan can be adsorbed on the surface of microbial cells to form a polymer film after being dissolved in the 1% glacial acetic acid solution, so that nutrient substances are prevented from being transported to the microbial cells, the sterilization effect on the microbes is achieved, and the corrosion effect of the microbes on the adhesive is reduced; the whey protein can form a complex network in a gel form in the dissolving process, contains hydroxyl and amino, and can be combined with borate on the veneer to form composite protein borate, so that the diffusion and movement of boron ions are further inhibited; the modifier modifies the whey protein, so that the whey protein is subjected to a crosslinking reaction, the gelation process of the whey protein is accelerated, the adhesive property of the prepared adhesive is further improved, and the prepared plywood has good service performance and long service life.
Preferably, the preparation method of the adhesive comprises the following steps:
1): mixing chitosan, lactalbumin and 1% glacial acetic acid solution, heating at 60-65 deg.C for 30-40min, and cooling to obtain mixed solution;
2): adding the modifier into the mixed solution prepared in the step 1), and uniformly stirring to obtain the modified starch.
By adopting the technical scheme, the whey protein molecules are of the spherical structures which are closely arranged, and the whey protein molecules are heated, so that the molecular chains of the whey protein with the spherical structures are heated and stretched, various groups on the molecular chains of the whey protein can be in full contact with wood and the like and can be adsorbed, the whey protein can react with borate to generate more composite protein borate, the corrosion resistance of the adhesive is improved, the bonding strength of the prepared adhesive is also improved, and the use strength of the prepared plywood is further improved.
Preferably, the modifier is prepared from glyoxal and glutaraldehyde according to a mass ratio of (5-7): (1-3).
By adopting the technical scheme, the glyoxal surface contains two aldehyde groups, so that the steric hindrance is large, the modification effect on the whey protein is not ideal, the crosslinking rate is slow, the crosslinking amount of the whey protein is small, the small crosslinking amount can damage the directional arrangement of the high-grade structure of the whey protein, a more compact adhesive layer cannot be formed, and the strength of the prepared adhesive is influenced; the glutaraldehyde has high activity due to the isolation effect of three methylene groups, the reaction rate with the whey protein is fast, but the reaction process is not easy to control due to the fast reaction; therefore, the crosslinking amount and the crosslinking rate of the whey protein are adjusted through the mixing action of the glyoxal and the glutaraldehyde, so that the prepared adhesive has good adhesive strength.
Preferably, when the adhesive is applied to the surface of the standby plate in the step S3, the mass of the adhesive applied to each square meter of the standby plate is 200-400 g.
By adopting the technical scheme, the glue coating amount on each square meter of standby boards is adjusted, and when the glue coating amount is less, the glue coating amount has poor viscosity on the plywood, so that the compressive strength of the plywood is influenced; when the glue coating amount is large, the water content of the veneer can be increased, the hot pressing time is prolonged, the thermal damage to the plywood is easy to cause, the corroded rate of the plywood is accelerated, and meanwhile, the defects of bubbling and the like are easy to generate on the surface of the glue, so that the service performance of the prepared plywood is influenced.
Preferably, when the composite board is hot-pressed in step S4, the hot-pressing temperature is 110-120 ℃, and the hot-pressing time is 30-50 min.
By adopting the technical scheme, the hot pressing time is adjusted, and when the hot pressing time is too short, the solvent in the glue material is incompletely volatilized, so that the strength of the prepared plywood is influenced; when the hot pressing time is too long, the heat damage to the veneer is large, the chemical structure of the veneer is easy to change, the wood board becomes brittle, the strength of the prepared plywood is reduced, the plywood is easy to corrode when in use, and the service life of the plywood is shortened.
In a second aspect, the present application provides a corrosion-resistant plywood, which adopts the following technical scheme:
the corrosion-resistant plywood prepared by the preparation method is provided.
By adopting the technical scheme, boric acid, borax or disodium octaborate tetrahydrate is used as a preservative, so that rot fungi and moth on the plywood are prevented and controlled in the use process of the plywood, and the service life of the plywood is prolonged; simultaneously through mixing antiseptic and water-soluble phenolic resin, adopt the mode of vacuum infusion for water-soluble phenolic resin drives in the antiseptic permeates to the timber cell wall, and through the solidification of subsequent curing agent, makes water-soluble phenolic resin drive the antiseptic and is solidified in the plywood, reduces the loss of antiseptic, improves the antiseptic effect of antiseptic, prolongs the life of the plywood of preparation.
In summary, the present application has the following beneficial effects:
the utility model provides a plywood is before the preparation, earlier through the mode of vacuum infusion make water-soluble phenolic resin drive the antiseptic and enter into timber's cell wall, through antiseptic anticorrosive mothproof effect, make the plywood of preparation be difficult for rotting rotten in the use, after the curing agent solidifies water-soluble phenolic resin simultaneously, make the antiseptic to be fixed and be difficult for losing in the plywood, further improve the anticorrosive effect to the plywood, prolong the life of plywood.
Detailed Description
The present application will be described in further detail with reference to examples;
the veneer used in the application is a veneer for a commercially available plywood;
the antiseptic comprises boric acid, borax, disodium octaborate tetrahydrate;
the boric acid is industrial grade boric acid with the purity of 99.4 percent; the CAS number of the borax is 1303-96-4; the CAS number of the disodium octaborate tetrahydrate is 12280-03-4;
the CAS number of the water-soluble phenolic resin is 9003-35-4;
the curing agent is hexamethylenetetramine, and the CAS number is 100-97-0;
the adhesive is prepared by mixing chitosan, lactalbumin, a modifier and a 1% glacial acetic acid solution, wherein the chitosan is carboxymethyl chitosan, and the CAS number is 83512-85-0; the purity of the whey protein used is 99%; the CAS number of glyoxal used in the modifier is 107-22-2; the CAS number of the glutaraldehyde used is 111-30-8.
Preparation example 1
Adhesive preparation example 1
The adhesive in the preparation example is mainly prepared by the following steps:
1): taking a stirring barrel with a stirring paddle, placing chitosan, lactalbumin and 1% glacial acetic acid solution in the stirring barrel together, and stirring for 35min by the stirring paddle, wherein the stirring speed of the stirring paddle is set to be 30 r/min; keeping the temperature of the stirring barrel at 63 ℃ in the stirring process, and cooling to obtain a mixed solution;
2): adding a modifier into the mixed solution prepared in the step 1), and uniformly stirring to obtain the modified polyvinyl chloride material; the mass ratio of the chitosan, the lactalbumin, the modifier and the 1% glacial acetic acid solution is 1: 3: 0.5: 15; the modifier is glyoxal.
Adhesive preparation example 2
The difference between the adhesive preparation example and the adhesive preparation example 1 is that the mass ratio of the chitosan, the whey protein, the modifier and the 1% glacial acetic acid solution used in the step 2) is 3: 5: 0.8: 25, the rest is the same as that in the adhesive preparation example 1.
Adhesive preparation example 3
The difference between the adhesive preparation example and the adhesive preparation example 1 is that the mass ratio of the chitosan, the whey protein, the modifier and the 1% glacial acetic acid solution used in the step 2) is 2: 4: 0.6: 20, and the rest is the same as that in the adhesive preparation example 1.
Adhesive preparation example 4
The difference between the adhesive preparation example and the adhesive preparation example 3 is that the modifier used in the step 2) is glutaraldehyde, and the rest is the same as that in the adhesive preparation example 3.
Adhesive preparation example 5
The difference between the adhesive preparation example and the adhesive preparation example 3 is that the modifier used in the step 2) is prepared from glyoxal and glutaraldehyde according to a mass ratio of 5: 1, and the rest is the same as that in the adhesive preparation example 3.
Adhesive preparation example 6
The difference between the adhesive preparation example and the adhesive preparation example 3 is that the modifier used in the step 2) is prepared from glyoxal and glutaraldehyde according to a mass ratio of 7: 3, and the rest is the same as that in the adhesive preparation example 3.
Adhesive preparation example 7
The difference between the adhesive preparation example and the adhesive preparation example 3 is that the modifier used in the step 2) is prepared from glyoxal and glutaraldehyde according to a mass ratio of 6: 2, the rest is the same as that in the adhesive preparation example 3.
Example 1
The preparation process of the corrosion-resistant plywood in the embodiment comprises the following steps:
s1: taking a vacuum pressurization tank, placing a plurality of dried veneers in the vacuum pressurization tank, sealing a container, connecting equipment, vacuumizing the vacuum pressurization tank to-0.09 MPa, keeping for 30min, then conveying the preservative solution to the vacuum pressurization tank, then pressurizing the vacuum pressurization tank, keeping the pressure at 2MPa for 60min, then releasing the pressure, and taking out to obtain a primary treatment plate; the preservative solution is prepared from preservative, water-soluble phenolic resin, curing agent and water according to the mass ratio of 0.5: 15: 1: 95; the preservative is boric acid;
s2: drying the primary treated board prepared in the step S1 at 110 ℃ to prepare a standby board;
s3: coating an adhesive on the board surface of the standby board prepared in the step S2, and bonding a plurality of standby boards to each other to prepare a composite board; the adhesive is prepared from the adhesive preparation example 1, and the mass of the adhesive coated on each square meter of the prepared plate is 200 g;
s4: and (5) carrying out hot pressing on the composite board prepared in the step (S3), wherein the hot pressing temperature is 115 ℃, the hot pressing time is 30min, and cutting to obtain the composite board.
Example 2
The preparation process of the corrosion-resistant plywood in the embodiment comprises the following steps:
s1: taking a vacuum pressurization tank, placing a plurality of dried veneers in the vacuum pressurization tank, sealing a container, connecting equipment, vacuumizing the vacuum pressurization tank to-0.09 MPa, keeping for 30min, then conveying the preservative solution to the vacuum pressurization tank, then pressurizing the vacuum pressurization tank, keeping the pressure at 2MPa for 60min, then releasing the pressure, and taking out to obtain a primary treatment plate; the preservative solution is prepared from preservative, water-soluble phenolic resin, curing agent and water according to the mass ratio of 0.5: 25: 1.5: 105; the preservative is boric acid;
s2: drying the primary treated board prepared in the step S1 at 110 ℃ to prepare a standby board;
s3: coating an adhesive on the board surfaces of the standby boards prepared in the step S2 to bond a plurality of standby boards to each other, so as to prepare a composite board, wherein the adhesive is prepared in the adhesive preparation example 1, and the mass of the adhesive coated on each square meter of the standby boards is 200 g;
s4: and (5) carrying out hot pressing on the composite board prepared in the step (S3), wherein the hot pressing temperature is 115 ℃, the hot pressing time is 30min, and cutting to obtain the composite board.
Example 3
The preparation process of the corrosion-resistant plywood in the embodiment comprises the following steps:
s1: taking a vacuum pressurization tank, placing a plurality of dried veneers in the vacuum pressurization tank, sealing a container, connecting equipment, vacuumizing the vacuum pressurization tank to-0.09 MPa, keeping for 30min, then conveying the preservative solution to the vacuum pressurization tank, then pressurizing the vacuum pressurization tank, keeping the pressure at 2MPa for 60min, then releasing the pressure, and taking out to obtain a primary treatment plate; the preservative solution is prepared from preservative, water-soluble phenolic resin, curing agent and water according to the mass ratio of 0.5: 20: 1.2: 100 (parts by weight); the preservative is boric acid;
s2: drying the primary treated board prepared in the step S1 at 110 ℃ to prepare a standby board;
s3: coating an adhesive on the board surfaces of the standby boards prepared in the step S2 to bond a plurality of standby boards to each other, so as to prepare a composite board, wherein the adhesive is prepared in the adhesive preparation example 1, and the mass of the adhesive coated on each square meter of the standby boards is 200 g;
s4: and (5) carrying out hot pressing on the composite board prepared in the step (S3), wherein the hot pressing temperature is 115 ℃, the hot pressing time is 30min, and cutting to obtain the composite board.
Example 4
The process for manufacturing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 3 in that the preservative used in the step S1 is borax, and the rest is the same as that of the embodiment 3.
Example 5
The process for manufacturing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 3 in that the preservative used in the step S1 is disodium octaborate tetrahydrate, and the rest is the same as that of the embodiment 3.
Example 6
The manufacturing process of the corrosion-resistant plywood of the embodiment is different from that of the embodiment 3 in that the preservative used in the step S1 is prepared from boric acid, borax and disodium octaborate tetrahydrate in a mass ratio of 1: 1: 2, the rest being the same as in example 3.
Example 7
The manufacturing process of the corrosion-resistant plywood of the embodiment is different from that of the embodiment 3 in that the preservative used in the step S1 is prepared from boric acid, borax and disodium octaborate tetrahydrate in a mass ratio of 2: 2: 3, the rest being the same as in example 3.
Example 8
The manufacturing process of the corrosion-resistant plywood of the embodiment is different from that of the embodiment 3 in that the preservative used in the step S1 is prepared from boric acid, borax and disodium octaborate tetrahydrate in a mass ratio of 1.5: 1.5: 2.5, the rest being the same as in example 3.
Example 9
The preparation process of the corrosion-resistant plywood in the embodiment comprises the following steps:
s1: taking a vacuum pressurization tank, placing a plurality of dried veneers in the vacuum pressurization tank, sealing a container, connecting equipment, vacuumizing the vacuum pressurization tank to-0.09 MPa, keeping for 30min, then conveying the preservative solution to the vacuum pressurization tank, then pressurizing the vacuum pressurization tank, keeping the pressure at 2MPa for 60min, then releasing the pressure, and taking out to obtain a primary treatment plate; the preservative solution is prepared from preservative, water-soluble phenolic resin, curing agent and water according to the mass ratio of 0.5: 20: 1.2: 100 (parts by weight); the preservative is prepared from boric acid, borax and disodium octaborate tetrahydrate according to the mass ratio of 1.5: 1.5: 2.5;
s2: drying the primary treated board prepared in the step S1 at 60 ℃ for 4h, taking out, drying at 110 ℃ for 8h, and taking out to prepare a standby board;
s3: coating an adhesive on the board surfaces of the standby boards prepared in the step S2 to bond a plurality of standby boards to each other, so as to prepare a composite board, wherein the adhesive is prepared in the adhesive preparation example 1, and the mass of the adhesive coated on each square meter of the standby boards is 200 g;
s4: and (5) carrying out hot pressing on the composite board prepared in the step (S3), wherein the hot pressing temperature is 115 ℃, the hot pressing time is 30min, and cutting to obtain the composite board.
Example 10
The process for manufacturing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 9 in that the mass of the adhesive coated on each square meter of the prepared board in the step S3 is 400g, and the rest is the same as that of the embodiment 9.
Example 11
The process for manufacturing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 9 in that the mass of the adhesive coated on each square meter of the prepared board in the step S3 is 300g, and the rest is the same as that of the embodiment 9.
Example 12
The process for manufacturing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 11 in that the hot pressing time is 50min when the composite board is hot pressed in the step S4, and the rest is the same as that of the embodiment 11.
Example 13
The process for manufacturing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 11 in that the hot pressing time is 40min when the composite board is hot pressed in the step S4, and the rest is the same as that of the embodiment 11.
Example 14
The process for preparing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 13 in that the adhesive used in the step S3 is prepared from the adhesive in the preparation example 2, and the rest is the same as that in the embodiment 13.
Example 15
The process for preparing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 13 in that the adhesive used in the step S3 is prepared from the adhesive in the preparation example 3, and the rest is the same as that in the embodiment 13.
Example 16
The process for preparing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 13 in that the adhesive used in the step S3 is prepared from the adhesive in the preparation example 4, and the rest is the same as that in the embodiment 13.
Example 17
The process for preparing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 13 in that the adhesive used in the step S3 is prepared from the adhesive in the preparation example 5, and the rest is the same as that in the embodiment 13.
Example 18
The process for preparing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 13 in that the adhesive used in the step S3 is prepared from the adhesive in the preparation example 6, and the rest is the same as that in the embodiment 13.
Example 19
The process for preparing the corrosion-resistant plywood of the embodiment is different from that of the embodiment 13 in that the adhesive used in the step S3 is prepared from the adhesive in the preparation example 7, and the rest is the same as that in the embodiment 13.
Comparative example
Comparative example 1
The preparation process of the corrosion-resistant plywood in the comparative example comprises the following steps:
the process for producing the corrosion-resistant plywood in the comparative example is different from that of example 1 in that the preservative solution used in step S1 is prepared from a preservative and water in a mass ratio of 0.5: 95, the preservative used was boric acid, the rest being the same as in example 1.
Comparative example 2
The preparation process of the corrosion-resistant plywood in the comparative example comprises the following steps:
s1: taking a dipping tank, placing a plurality of dried veneers and the preservative solution in the dipping tank, dipping for 60min, and taking out to obtain a primary treatment plate; the preservative solution is prepared from preservative, water-soluble phenolic resin, curing agent and water according to the mass ratio of 0.5: 15: 1: 95; the preservative is boric acid;
s2: drying the primary treated board prepared in the step S1 at 110 ℃ to prepare a standby board;
s3: coating an adhesive on the board surface of the standby board prepared in the step S2 to enable the standby boards to be mutually adhered to prepare a composite board; the adhesive is prepared from the adhesive preparation example 1, and the mass of the adhesive coated on each square meter of the prepared plate is 200 g;
s4: and (5) carrying out hot pressing on the composite board prepared in the step (S3), wherein the hot pressing temperature is 115 ℃, the hot pressing time is 30min, and cutting to obtain the composite board.
Detection method
Preparing corrosion-resistant plywood according to the preparation processes of the corrosion-resistant plywood in the examples 1 to 19 and the comparative examples 1 to 2, and cutting the corrosion-resistant plywood into test samples with the same size;
testing the prepared test sample by LY/T1283-2011 & ltlaboratory test method for toxicity of wood preservative to rot fungi & gt, testing the mass loss rate of the test sample after the white rot fungi and the brown rot fungi are infected for 90 days, and recording data to obtain table 1;
table 1 results of mass loss rate test of corrosion-resistant plywood of examples 1 to 19 and comparative examples 1 to 2
| Serial number | Mass loss rate (%) |
| Example 1 | 15.4 |
| Example 2 | 14.7 |
| Example 3 | 13.6 |
| Example 4 | 14.2 |
| Example 5 | 11.5 |
| Example 6 | 10.0 |
| Example 7 | 9.5 |
| Example 8 | 8.5 |
| Example 9 | 7.8 |
| Example 10 | 8.1 |
| Example 11 | 7.0 |
| Example 12 | 8.1 |
| Example 13 | 6.4 |
| Example 14 | 6.0 |
| Example 15 | 5.4 |
| Example 16 | 5.0 |
| Example 17 | 3.8 |
| Example 18 | 3.2 |
| Example 19 | 2.2 |
| Comparative example 1 | 26.3 |
| Comparative example 2 | 22.6 |
As can be seen by combining examples 3 to 8 and comparative examples 1 to 2 with table 1, by adjusting the ratio of the preservative, since boric acid has a good preservative effect on wood, borax can relieve the corrosion effect of boric acid on metal, and boric acid can improve the preservative effect of borax on wood rot fungi; disodium octaborate tetrahydrate has excellent water solubility and good termite resistance; boric acid, borax and disodium octaborate tetrahydrate are mixed according to the mass ratio of 1.5: 1.5: 2.5, the preservative has good preservative effect on the prepared plywood; meanwhile, the preservative is not easy to lose in use by matching with a good fixing effect of the water-soluble phenolic resin, and the phenolic resin drives the preservative to permeate into wood cell walls and to fill the wood cell walls through vacuum infusion treatment, so that the compressive strength of the plywood is enhanced, and the plywood has good corrosion resistance.
By combining examples 11-13 and table 1, it can be seen that the time of hot pressing is adjusted to promote the curing of the water-soluble phenolic resin, and at the same time, the damage of the hot pressing to the plywood is reduced, so that the plywood is not easy to corrode in the subsequent use, and the service life of the plywood is prolonged.
As can be seen by combining examples 13-15 and table 1, the ratio of the adhesive is adjusted, so that the chitosan in the adhesive can kill microorganisms while increasing the viscosity of the adhesive, thereby reducing the corrosion of the microorganisms to the adhesive and prolonging the service life of the plywood; the whey protein can form a gel structure, and simultaneously, as the whey protein can be combined with the preservative on the veneer to form the composite protein borate, the diffusion and movement of boron ions are further inhibited, and the preservative property of the plywood is improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The preparation method of the corrosion-resistant plywood is characterized by comprising the following steps: the method comprises the following steps:
s1: drying a plurality of veneers, soaking the veneers in the preservative solution, carrying out vacuum impregnation treatment on the veneers and the preservative solution, and taking out to obtain a primary treatment plate; the preservative solution is prepared from a preservative, water-soluble phenolic resin, a curing agent and water according to a mass ratio of (0.4-0.6): (15-25): (1-1.5): (95-105); the preservative is any one of boric acid, borax and disodium octaborate tetrahydrate;
s2: drying the primary treated board prepared in the step S1 to prepare a standby board;
s3: coating an adhesive on the standby boards prepared in the step S2, and bonding a plurality of standby boards to each other to prepare a composite board;
s4: and (5) carrying out hot pressing and cutting on the composite board prepared in the step S3 to obtain the composite board.
2. The method of making corrosion-resistant plywood according to claim 1, wherein: in the step S1, the preservative is prepared from boric acid, borax and disodium octaborate tetrahydrate in a mass ratio of (1-2): (1-2): (2-3).
3. The corrosion-resistant plywood of claim 1, wherein: when the primary treated board is dried in step S2, the primary treated board is dried at 50-70 ℃ for 4-5h, and then dried at 100-120 ℃ for 8h, so as to obtain the standby board.
4. The method of making corrosion-resistant plywood according to claim 2, wherein: the adhesive is prepared from chitosan, whey protein, a modifier and a 1% glacial acetic acid solution according to the mass ratio (1-3): (3-5): (0.5-0.8): (15-25); the modifier is any one of glyoxal and glutaraldehyde.
5. The method of making corrosion-resistant plywood according to claim 4, wherein: the preparation method of the adhesive comprises the following steps:
1): mixing chitosan, lactalbumin and 1% glacial acetic acid solution, heating at 60-65 deg.C for 30-40min, and cooling to obtain mixed solution;
2): adding the modifier into the mixed solution prepared in the step 1), and uniformly stirring to obtain the modified starch.
6. The corrosion-resistant plywood of claim 5, wherein: the modifier is prepared from glyoxal and glutaraldehyde according to the mass ratio of (5-7): (1-3).
7. The method of making corrosion-resistant plywood according to claim 1, wherein: when the adhesive is coated on the surface of the standby plate in the step S3, the mass of the adhesive coated on each square meter of the standby plate is 200-400 g.
8. The method of making corrosion-resistant plywood according to claim 7, wherein: and S4, when the composite board is hot pressed, the hot pressing temperature is 110-120 ℃, and the hot pressing time is 30-50 min.
9. A corrosion-resistant plywood produced by the method of any one of claims 1 to 8.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070472A1 (en) * | 2000-03-24 | 2001-09-27 | Monash University | Preserving compositions |
| CN101337369A (en) * | 2008-08-08 | 2009-01-07 | 孙庆佳 | Wood recombination sheet and production method thereof |
| CN101724376A (en) * | 2009-12-14 | 2010-06-09 | 东北林业大学 | Wood adhesive prepared by degrading soybean protein by utilizing strong basicity and preparation method thereof |
| CN102085679A (en) * | 2010-06-28 | 2011-06-08 | 永港伟方（北京）科技股份有限公司 | Wood modifying solution as well as preparation method and application thereof |
| CN102152348A (en) * | 2010-12-30 | 2011-08-17 | 浙江农林大学 | Method for producing high-efficiency and antiflaming stabilized recombinant bamboo plywood |
| CN102409835A (en) * | 2011-09-07 | 2012-04-11 | 李茂林 | High-density composite board specially used for wood floor and manufacturing method thereof |
| CN102555007A (en) * | 2012-03-08 | 2012-07-11 | 李�一 | Method for manufacturing modified hard reconstituted timber |
| CN104760095A (en) * | 2015-03-30 | 2015-07-08 | 广西宾阳县荣良新材料科技有限公司 | Preparation method of preserved plywood |
| CN105196381A (en) * | 2015-08-27 | 2015-12-30 | 福建省漳平木村林产有限公司 | Zinc borate corrosion preventing and flame retarding agent |
| CN105583935A (en) * | 2016-01-12 | 2016-05-18 | 东北林业大学 | Method for preparing environment-friendly fiberboard on basis of chitosan blended lignin |
| CN105694801A (en) * | 2016-04-07 | 2016-06-22 | 常州思宇环保材料科技有限公司 | Preparation method of protein-base adhesive |
| CN106753223A (en) * | 2016-12-30 | 2017-05-31 | 湖南省林业科学院 | A kind of modified soybean base timber adhesive and preparation method thereof |
| CN107030848A (en) * | 2017-06-08 | 2017-08-11 | 东北林业大学 | A kind of preparation method of environment protecting fiber board fungus resistant coating |
| CN108570305A (en) * | 2018-05-10 | 2018-09-25 | 北京盛大华源科技有限公司 | A kind of Soy-based Protein adhesive and preparation method thereof |
-
2022
- 2022-02-26 CN CN202210182591.3A patent/CN114474267A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070472A1 (en) * | 2000-03-24 | 2001-09-27 | Monash University | Preserving compositions |
| CN101337369A (en) * | 2008-08-08 | 2009-01-07 | 孙庆佳 | Wood recombination sheet and production method thereof |
| CN101724376A (en) * | 2009-12-14 | 2010-06-09 | 东北林业大学 | Wood adhesive prepared by degrading soybean protein by utilizing strong basicity and preparation method thereof |
| CN102085679A (en) * | 2010-06-28 | 2011-06-08 | 永港伟方（北京）科技股份有限公司 | Wood modifying solution as well as preparation method and application thereof |
| CN102152348A (en) * | 2010-12-30 | 2011-08-17 | 浙江农林大学 | Method for producing high-efficiency and antiflaming stabilized recombinant bamboo plywood |
| CN102409835A (en) * | 2011-09-07 | 2012-04-11 | 李茂林 | High-density composite board specially used for wood floor and manufacturing method thereof |
| CN102555007A (en) * | 2012-03-08 | 2012-07-11 | 李�一 | Method for manufacturing modified hard reconstituted timber |
| CN104760095A (en) * | 2015-03-30 | 2015-07-08 | 广西宾阳县荣良新材料科技有限公司 | Preparation method of preserved plywood |
| CN105196381A (en) * | 2015-08-27 | 2015-12-30 | 福建省漳平木村林产有限公司 | Zinc borate corrosion preventing and flame retarding agent |
| CN105583935A (en) * | 2016-01-12 | 2016-05-18 | 东北林业大学 | Method for preparing environment-friendly fiberboard on basis of chitosan blended lignin |
| CN105694801A (en) * | 2016-04-07 | 2016-06-22 | 常州思宇环保材料科技有限公司 | Preparation method of protein-base adhesive |
| CN106753223A (en) * | 2016-12-30 | 2017-05-31 | 湖南省林业科学院 | A kind of modified soybean base timber adhesive and preparation method thereof |
| CN107030848A (en) * | 2017-06-08 | 2017-08-11 | 东北林业大学 | A kind of preparation method of environment protecting fiber board fungus resistant coating |
| CN108570305A (en) * | 2018-05-10 | 2018-09-25 | 北京盛大华源科技有限公司 | A kind of Soy-based Protein adhesive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 邢方如: "《大豆蛋白基胶黏剂/胶膜增强与抗菌机制研究》", 《博士学位论文全文库》 * |
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