CN118441507A - Corrosion-resistant impregnated gum liquid film paper and preparation method thereof - Google Patents
Corrosion-resistant impregnated gum liquid film paper and preparation method thereof Download PDFInfo
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- CN118441507A CN118441507A CN202410698775.4A CN202410698775A CN118441507A CN 118441507 A CN118441507 A CN 118441507A CN 202410698775 A CN202410698775 A CN 202410698775A CN 118441507 A CN118441507 A CN 118441507A
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- 230000007797 corrosion Effects 0.000 title claims abstract description 50
- 238000005260 corrosion Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 50
- 239000000839 emulsion Substances 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims abstract description 26
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 230000001070 adhesive effect Effects 0.000 claims abstract description 21
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 21
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 20
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 20
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 19
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 19
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 16
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 16
- 239000004593 Epoxy Substances 0.000 claims abstract description 16
- 239000002033 PVDF binder Substances 0.000 claims abstract description 16
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000000123 paper Substances 0.000 claims description 86
- 238000007598 dipping method Methods 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 239000005995 Aluminium silicate Substances 0.000 claims description 9
- 235000012211 aluminium silicate Nutrition 0.000 claims description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000013530 defoamer Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 239000002313 adhesive film Substances 0.000 claims description 4
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 4
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 3
- BDLXTDLGTWNUFM-UHFFFAOYSA-N 2-[(2-methylpropan-2-yl)oxy]ethanol Chemical compound CC(C)(C)OCCO BDLXTDLGTWNUFM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000009776 industrial production Methods 0.000 abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005253 cladding Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- 241000270708 Testudinidae Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/13—Silicon-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/52—Epoxy resins
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/57—Polyureas; Polyurethanes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
Abstract
The invention relates to the technical field of impregnated paper, in particular to corrosion-resistant impregnated glue liquid film paper and a preparation method thereof. The impregnated glue film paper comprises printing paper, a protective glue film layer is coated on the outer surface of the printing paper, the protective glue film layer is prepared from the following raw materials in parts by weight: 80-90 parts of polyurethane emulsion, 12-18 parts of epoxy acrylic resin, 5-9 parts of PVDF emulsion, 10-18 parts of modified nano filler, 2-5 parts of silane coupling agent, 4-7 parts of hydroxyethyl cellulose, 2-4 parts of film forming auxiliary agent, 0.1-0.3 part of defoaming agent and 20-35 parts of water. The impregnated glue liquid film paper has better corrosion resistance, steam resistance and surface crack resistance, and has good adhesive strength with the artificial board body, and long service life; the preparation method of the corrosion-resistant impregnated gum liquid film paper is simple in process, convenient to control and convenient for industrial production.
Description
Technical Field
The invention relates to the technical field of impregnated paper, in particular to corrosion-resistant impregnated glue liquid film paper and a preparation method thereof.
Background
The impregnated paper is prepared by impregnating base paper printed with characters or patterns in an impregnating glue solution, drying, and forming a layer of protective glue film on the surface of the base paper to protect the base paper, so that the durability, decorative performance and adhesive force of paper sheets are improved, and the impregnated paper is conveniently applied to veneers of products such as cabinets, garderlets and reinforced composite floors. However, the existing impregnated paper is impregnated by melamine impregnating glue solution, and the prepared impregnated paper has excellent performance, but is easy to release formaldehyde in the use process, so that the life of people is adversely affected. Therefore, the environmental protection and the non-hydroformylation of impregnated paper have become the trend of the future. However, the existing melamine impregnation often has poor properties such as corrosion resistance, water vapor resistance and adhesion, and the application thereof is limited.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the corrosion-resistant impregnated gum liquid film paper and the preparation method thereof, wherein the impregnated gum liquid film paper has the advantages of better corrosion resistance, water vapor resistance and surface crack resistance, long service life and environmental friendliness; the preparation method of the corrosion-resistant impregnated gum liquid film paper is simple in process, convenient to control and convenient for industrial production.
The aim of the invention is achieved by the following technical scheme: the corrosion-resistant impregnated gum liquid film paper comprises printing paper, wherein a protective gum film layer is coated on the outer surface of the printing paper, the protective gum film layer is prepared from the following raw materials in parts by weight: 80-90 parts of polyurethane emulsion, 12-18 parts of epoxy acrylic resin, 5-9 parts of PVDF emulsion, 10-18 parts of modified nano filler, 2-5 parts of silane coupling agent, 4-7 parts of hydroxyethyl cellulose, 2-4 parts of film forming auxiliary agent, 0.1-0.3 part of defoaming agent and 20-35 parts of water.
The invention provides a preparation method of corrosion-resistant impregnated gum liquid film paper, which comprises the following steps:
S1, mixing 80-90 parts of polyurethane emulsion, 12-18 parts of epoxy acrylic resin, 5-9 parts of PVDF emulsion, 9-17 parts of modified nano filler, 2-5 parts of silane coupling agent and 20-35 parts of water according to parts by weight, heating and continuously stirring, and reacting to obtain a mixture I;
s2, adding 4-7 parts of hydroxyethyl cellulose, 2-4 parts of film forming auxiliary agent and 0.1-0.3 part of defoamer into the mixture I, uniformly stirring, and cooling to obtain dipping glue solution;
s3, dipping the printing paper in dipping glue solution, and then drying to obtain the corrosion-resistant dipping glue liquid film paper.
The invention prepares the dipping glue solution by compounding raw materials such as polyurethane emulsion, epoxy acrylic resin, modified nano filler, hydroxyethyl cellulose, silane coupling agent and the like and optimizing the proportion. The impregnated glue liquid film paper prepared by the impregnated glue liquid has better corrosion resistance, steam resistance and surface crack resistance, and has good adhesive force with the artificial decorative plate.
Further, in the step S1, the silane coupling agent is at least one of vinyltrimethoxysilane, vinyltriethoxysilane, γ -glycidoxypropyl trimethoxysilane, and γ - (methacryloyloxy) propyl trimethoxysilane.
Further, in the step S1, the preparation method of the modified nano-filler includes the following steps: mixing 50-70 parts of dimethyl sulfoxide and 5-10 parts of methanol uniformly, adding 6-10 parts of nano kaolin powder and 4-8 parts of nano zinc oxide to form a suspension; stirring at 62-70deg.C for 2-3 hr, and dispersing with ultrasonic wave for 3-4 hr; and then carrying out suction filtration, drying and grinding and crushing to obtain the modified nano filler. The particle size of the nano kaolin powder is 60-100nm, and the particle size of the nano zinc oxide is 50-80nm.
According to the invention, the nano kaolin powder and the nano zinc oxide are modified in advance in the mode, and then are mixed with the raw materials such as polyurethane emulsion, PVDF emulsion and the like, so that the finally obtained protective adhesive film layer has the reinforcing and toughening effects, and the heat resistance of the protective adhesive film layer is improved.
Further, in the step S1, the reaction temperature is 65-72 ℃ and the reaction time is 30-60min.
Further, in the step S2, the defoaming agent is at least one of an organosilicon defoaming agent, a polyether defoaming agent and a phosphate defoaming agent.
Further, in the step S2, the film forming auxiliary agent is at least one of ethylene glycol tertiary butyl ether, dipropylene glycol methyl ether and dipropylene glycol butyl ether.
Further, in the step S2, hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent are added into the mixture I, and then the mixture is stirred for 20 to 40 minutes and cooled to 30 to 35 ℃ to obtain an impregnating glue solution;
Further, in the step S3, the printing paper is placed in dipping glue solution for complete dipping, the dipping glue amount is 120-180g/m 2, and the printing paper is dried for 3-5min at the temperature of 105-115 ℃ to obtain the corrosion-resistant dipping glue liquid film paper.
The invention has the beneficial effects that: according to the invention, raw materials such as polyurethane emulsion, epoxy acrylic resin, modified nano filler, silane coupling agent, hydroxyethyl cellulose, silane coupling agent and the like are compounded and mixed in an optimized way to prepare the impregnating glue solution, and the impregnating glue liquid film paper prepared from the impregnating glue solution has good corrosion resistance, steam resistance and surface crack resistance, has good adhesive strength with an artificial board body and has long service life; the preparation method of the corrosion-resistant impregnated gum liquid film paper is simple in process, convenient to control and convenient for industrial production.
Detailed Description
In order to facilitate understanding by those skilled in the art, the following description will clearly and fully describe the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
In this embodiment, a corrosion-resistant impregnating adhesive liquid film paper comprises printing paper, the surface of printing paper is provided with the cladding and has the protection glued membrane layer, the protection glued membrane layer adopts the impregnating adhesive liquid to prepare, the impregnating adhesive liquid includes the raw materials of following parts by weight: 85 parts of polyurethane emulsion, 16 parts of epoxy acrylic resin, 7 parts of PVDF emulsion, 14 parts of modified nano filler, 3 parts of silane coupling agent, 5 parts of hydroxyethyl cellulose, 3 parts of film forming auxiliary agent, 0.2 part of defoamer and 25 parts of water. The polyurethane emulsion is a scientific Dispercoll U XP2643 polyurethane emulsion. The epoxy acrylic resin adopts epoxy acrylic resin L-6114. The PVDF emulsion adopts the Acidoma PVDF 2850-00.
The preparation method of the corrosion-resistant impregnated gum liquid film paper comprises the following steps:
S1, mixing and heating polyurethane emulsion, epoxy acrylic resin, PVDF emulsion, modified nano filler, silane coupling agent and water according to a proportion, and continuously stirring, so as to obtain a mixture I after reaction;
s2, adding hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent into the mixture I, uniformly stirring, and cooling to obtain an impregnated glue solution;
s3, dipping the printing paper in dipping glue solution, and then drying to obtain the corrosion-resistant dipping glue liquid film paper.
Further, in the step S1, the silane coupling agent is composed of vinyl trimethoxy silane and gamma- (methacryloyloxy) propyl trimethoxy silane according to a mass ratio of 1:1.
Further, in the step S1, the preparation method of the modified nano-filler includes the following steps: taking 60 parts of dimethyl sulfoxide and 8 parts of methanol, uniformly mixing, and adding 8 parts of nano kaolin powder and 6 parts of nano zinc oxide to form a suspension; stirring at 67 ℃ for 2.5h, and then dispersing by ultrasonic waves for 4h; and washing with ethanol, filtering, drying, grinding and crushing to obtain the modified nano filler. The particle size of the nano kaolin powder is 60-100nm, and the particle size of the nano zinc oxide is 50-80nm.
Further, in the step S1, the reaction temperature is 68 ℃ and the reaction time is 40min.
Further, in the step S2, the defoaming agent is a pick BYK-1796 silicone defoaming agent. The film forming auxiliary agent is ethylene glycol tertiary butyl ether.
Further, in the step S2, hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent are added into the mixture I, and then the mixture is stirred for 30 minutes and cooled to 35 ℃ to obtain an impregnated glue solution;
further, in the step S3, the printing paper is placed in dipping glue solution for complete dipping, the dipping glue amount is 160g/m 2, and the printing paper is dried for 4min at the temperature of 110 ℃ to obtain the corrosion-resistant dipping glue liquid film paper.
Example 2
In this embodiment, a corrosion-resistant impregnating adhesive liquid film paper comprises printing paper, the surface of printing paper is provided with the cladding and has the protection glued membrane layer, the protection glued membrane layer adopts the impregnating adhesive liquid to prepare, the impregnating adhesive liquid includes the raw materials of following parts by weight: 80 parts of polyurethane emulsion, 12 parts of epoxy acrylic resin, 5 parts of PVDF emulsion, 11 parts of modified nano filler, 2 parts of silane coupling agent, 4 parts of hydroxyethyl cellulose, 2 parts of film forming auxiliary agent, 0.1 part of defoamer and 24 parts of water.
The preparation method of the corrosion-resistant impregnated gum liquid film paper comprises the following steps:
S1, mixing and heating polyurethane emulsion, epoxy acrylic resin, PVDF emulsion, modified nano filler, silane coupling agent and water according to a proportion, and continuously stirring, so as to obtain a mixture I after reaction;
s2, adding hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent into the mixture I, uniformly stirring, and cooling to obtain an impregnated glue solution;
s3, dipping the printing paper in dipping glue solution, and then drying to obtain the corrosion-resistant dipping glue liquid film paper.
Further, in the step S1, the silane coupling agent is vinyltriethoxysilane.
Further, the preparation method of the modified nano filler comprises the following steps: taking 50 parts of dimethyl sulfoxide and 6 parts of methanol, uniformly mixing, and adding 7 parts of nano kaolin powder and 4 parts of nano zinc oxide to form a suspension; stirring at 62 ℃ for 3 hours, and dispersing by ultrasonic waves for 3 hours; and washing with ethanol, filtering, drying, grinding and crushing to obtain the modified nano filler.
Further, in the step S1, the reaction temperature is 65 ℃ and the reaction time is 60min.
Further, in the step S2, the defoamer is a polyether aqueous defoamer Rhodoline DF4226. The film forming additive is dipropylene glycol butyl ether.
Further, in the step S2, hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent are added into the mixture I, and then the mixture is stirred for 30 minutes and cooled to 30 ℃ to obtain an impregnated glue solution;
In the step S3, the printing paper is placed in dipping glue solution to be fully dipped, the dipping glue amount is 120g/m 2, and the printing paper is dried for 3min at the temperature of 105 ℃ to obtain the corrosion-resistant dipping glue liquid film paper.
The remainder of this example is the same as example 1.
Example 3
In this embodiment, a corrosion-resistant impregnating adhesive liquid film paper comprises printing paper, the surface of printing paper is provided with the cladding and has the protection glued membrane layer, the protection glued membrane layer adopts the impregnating adhesive liquid to prepare, the impregnating adhesive liquid includes the raw materials of following parts by weight: 90 parts of polyurethane emulsion, 18 parts of epoxy acrylic resin, 9 parts of PVDF emulsion, 18 parts of modified nano filler, 5 parts of silane coupling agent, 7 parts of hydroxyethyl cellulose, 4 parts of film forming auxiliary agent, 0.3 part of defoamer and 35 parts of water.
The preparation method of the corrosion-resistant impregnated gum liquid film paper comprises the following steps:
S1, mixing and heating polyurethane emulsion, epoxy acrylic resin, PVDF emulsion, modified nano filler, silane coupling agent and water according to a proportion, and continuously stirring, so as to obtain a mixture I after reaction;
s2, adding hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent into the mixture I, uniformly stirring, and cooling to obtain an impregnated glue solution;
s3, dipping the printing paper in dipping glue solution, and then drying to obtain the corrosion-resistant dipping glue liquid film paper.
Further, in the step S1, the silane coupling agent is vinyltrimethoxysilane.
Further, in the step S1, the preparation method of the modified nano-filler includes the following steps: taking 70 parts of dimethyl sulfoxide and 10 parts of methanol, uniformly mixing, and adding 10 parts of nano kaolin powder and 8 parts of nano zinc oxide to form a suspension; stirring at 70deg.C for 3 hr, and dispersing with ultrasonic wave for 3 hr; and washing with ethanol, filtering, drying, grinding and crushing to obtain the modified nano filler.
Further, in the step S1, the reaction temperature is 72 ℃ and the reaction time is 30min.
Further, in the step S2, hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent are added into the mixture I, and then the mixture is stirred for 40 minutes and cooled to 30 ℃ to obtain an impregnated glue solution;
Further, in the step S3, the printing paper is placed in dipping glue solution for complete dipping, the dipping glue amount is 180g/m 2, and the printing paper is dried for 4min at 115 ℃ to obtain the corrosion-resistant dipping glue liquid film paper.
The remainder of this example is the same as example 1.
Example 4
In this embodiment, a corrosion-resistant impregnating adhesive liquid film paper comprises printing paper, the surface of printing paper is provided with the cladding and has the protection glued membrane layer, the protection glued membrane layer adopts the impregnating adhesive liquid to prepare, the impregnating adhesive liquid includes the raw materials of following parts by weight: 88 parts of polyurethane emulsion, 15 parts of epoxy acrylic resin, 6 parts of PVDF emulsion, 13 parts of modified nano filler, 4 parts of silane coupling agent, 6 parts of hydroxyethyl cellulose, 3 parts of film forming auxiliary agent, 0.2 part of defoamer and 30 parts of water. The remainder of this example is the same as example 1.
Example 5
In this embodiment, in the step (1), the preparation method of the modified nanofiller includes the following steps: taking 55 parts of dimethyl sulfoxide and 7 parts of methanol, uniformly mixing, and adding 7 parts of nano kaolin powder and 5 parts of nano zinc oxide to form a suspension; stirring at 65 ℃ for 2.5h, and then dispersing by ultrasonic waves for 3.5h; and washing with ethanol, filtering, drying, grinding and crushing to obtain the modified nano filler. The remainder of this example is the same as example 1.
Comparative example 1
The difference between this comparative example and example 1 is that: the PVDF emulsion in example 1 was replaced with an equivalent amount of polyurethane emulsion.
Comparative example 2
The difference between this comparative example and example 1 is that: the modified nanofiller of example 1 was replaced with an equal amount of the mixture of unmodified nanokaolin powder and nanozinc oxide, and the mass ratio of the nanokaolin powder to the nanozinc oxide in this comparative example was the same as the mass ratio of the nanokaolin powder to the nanozinc oxide added during the preparation of the modified nanofiller.
Application example
The impregnated paper of the embodiment 1 and the comparative examples 1-2 is taken, the impregnated glue liquid film paper is subjected to single-sided hot pressing on an artificial board for 2min under the conditions of 5Mpa and 165 ℃, the artificial board body is a fiber board, the printing paper adopts decorative paper with the quantitative ratio of 70g/m 2 to prepare a facing artificial board, the density of the facing artificial board is 0.7-0.75g/cm 3, and the impregnation amount of the impregnated paper of the embodiment 1 and the comparative examples 1-2 is 160+/-5 g/m 3.
According to GB/T28995-2012, the formaldehyde release amount and the paper hanging amount of the corrosion-resistant impregnating adhesive liquid film paper are tested, and the appearance quality of the corrosion-resistant impregnating adhesive liquid film paper is observed, so that the surfaces of the corrosion-resistant impregnating adhesive liquid film paper in the embodiment 1 and the comparative examples 1-3 are free from damage, stain, notch and the like, the appearance quality of the product meets the GB/T28995-2012 standard, and the formaldehyde release amounts of the corrosion-resistant impregnating adhesive liquid film paper are 0mg/L.
The surface bonding strength, the surface contamination and corrosion resistance (pattern lines), the surface steam resistance, the surface scratch resistance (no more than 90% of scratches on 1.5N surface), the surface tortoise resistance and the surface hot and cold cycle resistance of the faced artificial board were respectively measured according to GB/T15102-2017/GBT17657-2022, wherein the surface contamination and corrosion resistance was measured according to method 1 of 4.40 in GB/T17657-2013, and the test results are shown in the following table:
As can be seen from the above table, the corrosion-resistant impregnated gum liquid film paper prepared by the invention is applied to the facing artificial board, so that the facing artificial board has better corrosion resistance, surface crack resistance and surface steam resistance, has high surface bonding strength and long service life, can reduce formaldehyde release, and is environment-friendly.
The above embodiments are preferred embodiments of the present invention, and besides, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.
Claims (10)
1. The utility model provides a corrosion-resistant impregnating adhesive liquid membrane paper which characterized in that: the printing paper comprises printing paper, wherein a protective adhesive film layer is coated on the outer surface of the printing paper, the protective adhesive film layer is prepared from the following raw materials in parts by weight: 80-90 parts of polyurethane emulsion, 12-18 parts of epoxy acrylic resin, 5-9 parts of PVDF emulsion, 10-18 parts of modified nano filler, 2-5 parts of silane coupling agent, 4-7 parts of hydroxyethyl cellulose, 2-4 parts of film forming auxiliary agent, 0.1-0.3 part of defoaming agent and 20-35 parts of water.
2. A preparation method of corrosion-resistant impregnated gum liquid film paper is characterized by comprising the following steps: the method comprises the following steps:
S1, mixing 80-90 parts of polyurethane emulsion, 12-18 parts of epoxy acrylic resin, 5-9 parts of PVDF emulsion, 9-17 parts of modified nano filler, 2-5 parts of silane coupling agent and 20-35 parts of water according to parts by weight, heating and continuously stirring, and reacting to obtain a mixture I;
s2, adding 4-7 parts of hydroxyethyl cellulose, 2-4 parts of film forming auxiliary agent and 0.1-0.3 part of defoamer into the mixture I, uniformly stirring, and cooling to obtain dipping glue solution;
s3, dipping the printing paper in dipping glue solution, and then drying to obtain the corrosion-resistant dipping glue liquid film paper.
3. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S1, the silane coupling agent is at least one of vinyltrimethoxysilane, vinyltriethoxysilane, gamma-glycidoxypropyl trimethoxysilane and gamma- (methacryloyloxy) propyl trimethoxysilane.
4. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S1, the preparation method of the modified nano-filler includes the following steps: mixing 50-70 parts of dimethyl sulfoxide and 5-10 parts of methanol uniformly, adding 6-10 parts of nano kaolin powder and 4-8 parts of nano zinc oxide to form suspension, and stirring; and then carrying out suction filtration, drying and grinding and crushing to obtain the modified nano filler.
5. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 4, wherein: in the preparation method of the modified nano filler, the suspension is stirred for 2-3 hours at the temperature of 62-70 ℃ and then dispersed for 3-4 hours by adopting ultrasonic waves.
6. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S1, the reaction temperature is 65-72 ℃, and the reaction time is 30-60min.
7. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S2, the defoaming agent is at least one of an organosilicon defoaming agent, a polyether defoaming agent and a phosphate defoaming agent.
8. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S2, the film forming auxiliary agent is at least one of ethylene glycol tertiary butyl ether, dipropylene glycol methyl ether and dipropylene glycol butyl ether.
9. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S2, hydroxyethyl cellulose, a film forming auxiliary agent and a defoaming agent are added into the mixture I, and then the mixture is stirred for 20 to 40 minutes and cooled to 30 to 35 ℃ to obtain the dipping glue solution.
10. The method for preparing the corrosion-resistant impregnated gum film paper according to claim 2, wherein: in the step S3, the printing paper is placed in dipping glue solution for complete dipping, the dipping amount is 120-180g/m 2, and the printing paper is dried for 3-5min at the temperature of 105-115 ℃ to obtain the corrosion-resistant dipping glue liquid film paper.
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