CN116574417A - Paint for bamboo fiber substrate combined tableware and preparation method and application thereof - Google Patents
Paint for bamboo fiber substrate combined tableware and preparation method and application thereof Download PDFInfo
- Publication number
- CN116574417A CN116574417A CN202310351170.3A CN202310351170A CN116574417A CN 116574417 A CN116574417 A CN 116574417A CN 202310351170 A CN202310351170 A CN 202310351170A CN 116574417 A CN116574417 A CN 116574417A
- Authority
- CN
- China
- Prior art keywords
- parts
- tableware
- paint
- fiber substrate
- bamboo fiber
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 49
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 43
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 43
- 241001330002 Bambuseae Species 0.000 title claims abstract description 43
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 43
- 239000011425 bamboo Substances 0.000 title claims abstract description 43
- 239000000758 substrate Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003973 paint Substances 0.000 title claims description 29
- 238000000576 coating method Methods 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000000839 emulsion Substances 0.000 claims abstract description 26
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims abstract description 26
- 239000000178 monomer Substances 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 22
- 239000003999 initiator Substances 0.000 claims abstract description 22
- 239000004014 plasticizer Substances 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 51
- 238000005507 spraying Methods 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 35
- 229910003472 fullerene Inorganic materials 0.000 claims description 26
- -1 fullerene carboxylic acid derivative Chemical class 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- 229960004887 ferric hydroxide Drugs 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- YSWBFLWKAIRHEI-UHFFFAOYSA-N 4,5-dimethyl-1h-imidazole Chemical compound CC=1N=CNC=1C YSWBFLWKAIRHEI-UHFFFAOYSA-N 0.000 claims description 13
- 229920003180 amino resin Polymers 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- 235000003166 Opuntia robusta Nutrition 0.000 claims description 9
- 244000218514 Opuntia robusta Species 0.000 claims description 9
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000005543 nano-size silicon particle Substances 0.000 claims description 8
- 229910017059 organic montmorillonite Inorganic materials 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 5
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 4
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 2
- 229920000053 polysorbate 80 Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 40
- 239000003921 oil Substances 0.000 abstract description 14
- 241000196324 Embryophyta Species 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 231100000331 toxic Toxicity 0.000 abstract description 4
- 230000002588 toxic effect Effects 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000009982 effect on human Effects 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 30
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 description 20
- FSYKKLYZXJSNPZ-UHFFFAOYSA-N sarcosine Chemical compound C[NH2+]CC([O-])=O FSYKKLYZXJSNPZ-UHFFFAOYSA-N 0.000 description 20
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 18
- 235000019198 oils Nutrition 0.000 description 13
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 108010077895 Sarcosine Proteins 0.000 description 10
- 238000001035 drying Methods 0.000 description 10
- 229940043230 sarcosine Drugs 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 239000000123 paper Substances 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 7
- 239000011247 coating layer Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000011888 snacks Nutrition 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000005003 food packaging material Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of coatings, in particular to a coating for bamboo fiber substrate combined tableware, and a preparation method and application thereof, and the coating comprises the following raw materials in parts by weight: 30-50 parts of waterproof monomer, 10-20 parts of VAE emulsion, 1-3 parts of initiator, 1-5 parts of emulsifier, 3-7 parts of nano filler, 1-3 parts of plasticizer, 1-3 parts of curing agent, 30-60 parts of solvent and 4-8 parts of ethylene-acrylic acid copolymer. The coating disclosed by the invention has good adhesive force, peeling resistance, oil resistance and difficult leakage after being soaked in boiled water, thereby meeting the technological requirements, has good mechanical properties, is convenient to process and use, has good water resistance, weather resistance, glossiness and mechanical properties after film formation, is applied to the plant fiber degradable environment-friendly packaging cutlery box, improves the waterproof performance, has almost no toxic or side effect on human bodies, can be biodegraded, and thoroughly solves the problem of plastic pollution of catering utensils.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a coating for bamboo fiber substrate combined tableware, and a preparation method and application thereof.
Background
Foam snack boxes are one of the important sources of white pollution, causing great harm to the environment, and the country has made 2001 a complete stop of the production and sales of foam snack boxes. A number of alternatives have emerged in the market in recent years, mainly divided into 3 classes: (1) plant fiber tableware; (2) starch tableware; (3) paper tableware. Because plant fiber, starch and paper tableware can not meet the requirements of water resistance and oil resistance, the surfaces of the tableware are coated with the paint. In addition to the basic properties of the general paint, the paint for the degradable snack box also needs to meet two basic requirements: manufacturability and hygiene. The manufacturability is that the coating is required to have low viscosity, high solid content, good film forming property, strong adhesive force, anti-adhesion, high-temperature baking resistance, boiling water resistance and oil resistance; so-called hygienic properties are required to be non-toxic and odorless. However, the prior art degradable snack box coatings suffer from the following disadvantages: (1) Poor manufacturability, low adhesive force and easy peeling after being soaked in boiled water; (2) oil-free, easy to leak; (3) toxic, containing volatile organic compounds.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the coating for the bamboo fiber substrate combined tableware, which has good adhesive force, peeling resistance, oil resistance and difficult leakage in boiling water soaking so as to meet the technological requirements, has good mechanical properties, is convenient to process and use, is environment-friendly, has high use safety, and has good water resistance, weather resistance, glossiness and mechanical properties after film formation.
The invention also aims to provide a preparation method of the coating for the bamboo fiber substrate combined tableware, which has the advantages of simple operation, convenient control, high production efficiency and low production cost, and is suitable for mass production.
The invention also aims to provide an application method of the coating for the bamboo fiber substrate combined tableware, by using the method, the coating for the tableware can be well and evenly sprayed on the inner surface of the bamboo fiber substrate combined tableware, and a layer of dinner plate glue is solidified on the surface of the tableware, so that the oil resistance, heat resistance and salt hydrolysis resistance of the tableware can be effectively improved.
The aim of the invention is achieved by the following technical scheme: a coating for bamboo fiber substrate combined tableware comprises the following raw materials in parts by weight: 30-50 parts of waterproof monomer, 10-20 parts of VAE emulsion, 1-3 parts of initiator, 1-5 parts of emulsifier, 3-7 parts of nano filler, 1-3 parts of plasticizer, 1-3 parts of curing agent, 30-60 parts of solvent, 4-8 parts of ethylene-acrylic acid copolymer, 1-3 parts of fullerene carboxylic acid derivative and 1-3 parts of ferric hydroxide; the solvent is a mixture composed of deionized water and glycerol according to the weight ratio of 12-16:0.6-1.0.
The coating disclosed by the invention has good adhesive force, peeling resistance, oil resistance and difficult leakage after being soaked in boiled water, thereby meeting the technological requirements, is good in mechanical property, convenient to process and use, environment-friendly and high in use safety, can be applied to preparing food packaging materials or tableware, is good in water resistance, weather resistance, glossiness and mechanical property after being formed into a film, is applied to a plant fiber degradable environment-friendly packaging cutlery box, improves the waterproof property, has almost no toxic or side effect on a human body, can be biodegraded, and thoroughly solves the problem of plastic pollution of the tableware. When MI is the same, the transparency, toughness, cohesiveness and environmental stress cracking resistance of the ethylene-acrylic acid copolymer are increased along with the increase of AA content, so that the comprehensive performance of the coating can be further improved in a composite way; the VAE emulsion has the characteristics of good plasticizing performance, good rigidity and high initial adhesion strength, can use the addition of various auxiliary agents, has excellent synergistic viscosity, rapidly develops fiber tearing adhesion, and can assist in increasing the adhesion performance between the coating and tableware; the fullerene-containing compound prepared by the reaction of the fullerene carboxylic acid derivative and the hydroxyl ferric oxide is used as a degradation accelerator, so that the degradation process of a coating film can be accelerated, paper-plastic separation is promoted, the purpose of full and rapid degradation is achieved, and the influence on the performance of a product is small.
Preferably, the waterproof monomer is one or more of acrylic acid, butyl acrylate, ethyl acrylate, methyl methacrylate, methacrylamide, hydroxyethyl acrylate and polyacrylate.
The waterproof monomer adopted in the invention has good waterproof and oil-proof properties, can improve the film forming property and the film strength of the coating, can also enhance the adhesion fastness of the film on the surface of the paper material through the interaction between the self-crosslinking group and the paper material, and can assist in improving the coating to form a film with good luster and water resistance, and has firm adhesion, difficult peeling and good weather resistance.
Preferably, the initiator is potassium persulfate or ammonium persulfate.
Preferably, the emulsifier is one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, tween 80, glyceryl monostearate and fatty acid polyoxyethylene ether.
Preferably, the nano filler is a mixture of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 0.8-1.2:0.3-0.7:0.4-0.8.
The nano organic montmorillonite added in the invention can adjust the mechanical property of the paint film, prevent the paint film from aging prematurely, and provide favorable environment for microorganism growth, promote microorganism propagation and promote the biodegradation of the film paper; the introduction of nano silicon dioxide can improve the toughening effect of the film forming of the coating and improve the cohesive force.
Preferably, the plasticizer is one or more of food grade sodium carboxymethyl cellulose, epoxidized soybean oil, tributyl citrate and acetyl tributyl citrate.
Preferably, the curing agent is a mixture of aqueous amino resin and dimethyl imidazole according to the weight ratio of 0.8-1.2:0.4-0.8.
The aqueous amino resin adopted in the curing agent has excellent water solubility, can improve the adhesive force, hardness and water resistance of a paint film, has good curing effect, and can further assist the aqueous amino resin to improve the curing rate of the paint.
The invention also provides a preparation method of the coating for the bamboo fiber substrate combined tableware, which is prepared by the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 65-85 ℃, and stirring at 400-800r/min for 2-6h to obtain a mixture A for later use
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 50-70 ℃, and stirring at a speed of 300-600r/min for 40-80min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, keeping the temperature at 50-70 ℃ and stirring for 30-60min, adding the solvent and stirring for 20-40min, and cooling the material obtained by the reaction to normal temperature to obtain the paint for tableware.
The invention also provides an application method of the coating for the bamboo fiber substrate combined tableware, the folded combined tableware is placed in a rotating seat of spraying equipment when the coating is sprayed, the coating for the tableware is sprayed on the inner surface of the tableware by the spraying equipment, the spraying amount is 10-12 g/square meter, the rotating seat rotates at the speed of 100-120r/min in the spraying process, the excessive coating is thrown out, the coating on the spraying surface is ensured to be uniform, the tableware is taken out by a mechanical arm after the spraying is finished, and the tableware is dried under the condition of 90-110 ℃, namely, a layer of dinner plate coating layer is solidified on the surface of the tableware.
The invention has the beneficial effects that: the coating disclosed by the invention has good adhesive force, peeling resistance, oil resistance and difficult leakage after being soaked in boiled water, thereby meeting the technological requirements, is good in mechanical property, convenient to process and use, environment-friendly and high in use safety, can be applied to preparing food packaging materials or tableware, is good in water resistance, weather resistance, glossiness and mechanical property after being formed into a film, is applied to a plant fiber degradable environment-friendly packaging cutlery box, improves the waterproof property, has almost no toxic or side effect on a human body, can be biodegraded, and thoroughly solves the problem of plastic pollution of the tableware.
The preparation method of the coating for the bamboo fiber substrate combined tableware is simple to operate, convenient to control, high in production efficiency, low in production cost and suitable for large-scale production; the method can be used for uniformly spraying the paint for the tableware on the inner surface of the bamboo fiber substrate combined tableware, and curing a layer of dinner plate glue on the surface of the tableware, so that the oil resistance, heat resistance and salt hydrolysis resistance of the tableware can be effectively improved.
Detailed Description
The invention will be further illustrated by the following examples, which are not intended to limit the scope of the invention, in order to facilitate the understanding of those skilled in the art.
Example 1
A coating for bamboo fiber substrate combined tableware comprises the following raw materials in parts by weight: 30 parts of waterproof monomer, 10 parts of VAE emulsion, 1 part of initiator, 1 part of emulsifier, 3 parts of nano filler, 1 part of plasticizer, 1 part of curing agent, 30 parts of solvent, 4 parts of ethylene-acrylic acid copolymer, 1 part of fullerene carboxylic acid derivative and 1 part of ferric hydroxide. The VAE emulsion is made of a VAE emulsion with a model 707 provided by Shenzhen primary cis chemical industry Co., ltd; the ethylene-acrylic acid copolymer adopts acrylic acid content produced by Zhangjiu Kong market Chuangli new material Co., ltd: AA:20%, melt index: MI: density of 300g/10 min: 0.93 g/-cm 3 of ethylene-acrylic acid copolymer; the fullerene carboxylic acid derivative is prepared by the following method: under the protection of nitrogen, dispersing fullerene C60, p-carboxybenzaldehyde and sarcosine in toluene, and reacting for 10 hours at 110 ℃, wherein the fullerene C60: p-carboxybenzaldehyde: sarcosine: the molar ratio of toluene is: and (3) washing the obtained solid with water after the reaction is finished, and drying to obtain the fullerene carboxylic acid derivative.
The solvent is a mixture consisting of deionized water and glycerol according to a weight ratio of 12:0.6.
The waterproof monomer is acrylic acid. The initiator is potassium persulfate. The emulsifier is sodium dodecyl benzene sulfonate.
The nano filler is a mixture composed of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 0.8:0.3:0.4.
The plasticizer is food grade sodium carboxymethyl cellulose.
The curing agent is aqueous amino treeA mixture of fat and dimethylimidazole in a weight ratio of 0.8:0.4; the brand of the water-based amino resin produced by Suzhou Qingdan New Material Co Ltd is AA-9077, and the density provided by Shanghai Jizhi Biochemical technology Co Ltd is 1.0+/-0.1 g/cm 3 Dimethyl imidazole with a melting point of 85-87 ℃.
The coating for the bamboo fiber substrate combined tableware is prepared by the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 65 ℃, and stirring at 400r/min for 2 hours to obtain a mixture A for later use
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 50 ℃, and stirring at a speed of 300r/min for 40min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, keeping the temperature at 50 ℃ and stirring for 30min, adding the solvent and stirring for 20min, and cooling the material obtained by the reaction to normal temperature to obtain the paint for tableware.
The application method of the coating for the bamboo fiber substrate combined tableware comprises the steps of placing the folded combined tableware into a rotating seat of spraying equipment when the coating is sprayed, spraying the coating for the tableware on the inner surface of the tableware by using the spraying equipment, wherein the spraying amount is 10 g/square meter, rotating the rotating seat at the speed of 100r/min in the spraying process, throwing out the redundant coating, taking out the tableware by using a mechanical arm after the spraying is finished, and drying under the condition of 90 ℃, namely curing a layer of dinner plate coating layer on the surface of the tableware.
Example 2
A coating for bamboo fiber substrate combined tableware comprises the following raw materials in parts by weight: 35 parts of waterproof monomer, 13 parts of VAE emulsion, 1.5 parts of initiator, 2 parts of emulsifier, 4 parts of nano filler, 1.5 parts of plasticizer, 1.5 parts of curing agent, 38 parts of solvent, 5 parts of ethylene-acrylic acid copolymer, 1.5 parts of fullerene carboxylic acid derivative and 1.5 parts of ferric hydroxide. The VAE emulsion is made of a VAE emulsion with a model 707 provided by Shenzhen primary cis chemical industry Co., ltd; the ethylene-acrylic acid copolymer adopts acrylic acid content produced by Zhangjiu Kong market Chuangli new material Co., ltd: AA:20%, melt index: MI: density of 300g/10 min: 0.93 g/-cm 3 of ethylene-acrylic acid copolymer; the fullerene carboxylic acid derivative is prepared by the following method: under the protection of nitrogen, dispersing fullerene C60, p-carboxybenzaldehyde and sarcosine in toluene, and reacting for 10 hours at 110 ℃, wherein the fullerene C60: p-carboxybenzaldehyde: sarcosine: the molar ratio of toluene is: and (3) washing the obtained solid with water after the reaction is finished, and drying to obtain the fullerene carboxylic acid derivative.
The solvent is a mixture consisting of deionized water and glycerol according to a weight ratio of 13:0.7.
The waterproof monomer is butyl acrylate. The initiator is ammonium persulfate. The emulsifier is sodium dodecyl sulfate.
The nano filler is a mixture composed of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 0.9:0.4:0.5.
The plasticizer is tributyl citrate.
The curing agent is a mixture composed of aqueous amino resin and dimethyl imidazole according to the weight ratio of 0.9:0.5; the brand of the water-based amino resin produced by Suzhou Qingdan New Material Co Ltd is AA-9077, and the density provided by Shanghai Jizhi Biochemical technology Co Ltd is 1.0+/-0.1 g/cm 3 Dimethyl imidazole with a melting point of 85-87 ℃.
The coating for the bamboo fiber substrate combined tableware is prepared by the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 70 ℃, and stirring at 500r/min for 3 hours to obtain a mixture A for later use
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 55 ℃, and stirring at a speed of 380r/min for 50min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, keeping the temperature at 55 ℃ and stirring for 38min, adding the solvent and stirring for 25min, and cooling the material obtained by the reaction to normal temperature to obtain the paint for tableware.
The application method of the coating for the bamboo fiber substrate combined tableware comprises the steps of placing the folded combined tableware into a rotating seat of spraying equipment when the coating is sprayed, spraying the coating for the tableware on the inner surface of the tableware by using the spraying equipment, rotating the rotating seat at a speed of 105r/min in the spraying process to throw out the redundant coating, taking out the tableware by using a mechanical arm after the spraying is finished, and drying under the condition of 95 ℃ to cure a layer of dinner plate coating layer on the surface of the tableware.
Example 3
A coating for bamboo fiber substrate combined tableware comprises the following raw materials in parts by weight: 40 parts of waterproof monomer, 15 parts of VAE emulsion, 2 parts of initiator, 3 parts of emulsifier, 5 parts of nano filler, 2 parts of plasticizer, 2 parts of curing agent, 45 parts of solvent, 6 parts of ethylene-acrylic acid copolymer, 2 parts of fullerene carboxylic acid derivative and 2 parts of ferric hydroxide. The VAE emulsion is made of a VAE emulsion with a model 707 provided by Shenzhen primary cis chemical industry Co., ltd; the ethylene-acrylic acid copolymer adopts acrylic acid content produced by Zhangjiu Kong market Chuangli new material Co., ltd: AA:20%, melt index: MI: density of 300g/10 min: 0.93 g/-cm 3 of ethylene-acrylic acid copolymer; the fullerene carboxylic acid derivative is prepared by the following method: under the protection of nitrogen, dispersing fullerene C60, p-carboxybenzaldehyde and sarcosine in toluene, and reacting for 10 hours at 110 ℃, wherein the fullerene C60: p-carboxybenzaldehyde: sarcosine: the molar ratio of toluene is: and (3) washing the obtained solid with water after the reaction is finished, and drying to obtain the fullerene carboxylic acid derivative.
The solvent is a mixture consisting of deionized water and glycerol in a weight ratio of 14:0.8.
The waterproof monomer is a mixture composed of acrylic acid, ethyl acrylate, hydroxyethyl acrylate and polyacrylate according to the weight ratio of 0.4:0.8:0.7:1.0.
The initiator is potassium persulfate.
The emulsifier is a mixture composed of sodium dodecyl benzene sulfonate, glyceryl monostearate and fatty acid polyoxyethylene ether according to the weight ratio of 0.8:0.7:1.0.
The nano filler is a mixture composed of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 1.0:0.5:0.6.
The plasticizer is a mixture of food-grade sodium carboxymethyl cellulose, epoxidized soybean oil and acetyl tributyl citrate according to the weight ratio of 0.5:0.8:0.7.
The curing agent is a mixture composed of aqueous amino resin and dimethyl imidazole according to the weight ratio of 1.0:0.6; the brand of the water-based amino resin produced by Suzhou Qingdan New Material Co Ltd is AA-9077, and the density provided by Shanghai Jizhi Biochemical technology Co Ltd is 1.0+/-0.1 g/cm 3 Dimethyl imidazole with a melting point of 85-87 ℃.
The coating for the bamboo fiber substrate combined tableware is prepared by the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 75 ℃, and stirring at 600r/min for 4 hours to obtain a mixture A for later use
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 60 ℃, and stirring at a speed of 480r/min for 60min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, keeping the temperature at 60 ℃, stirring for 45min, adding the solvent, stirring for 30min, and cooling the material obtained by the reaction to normal temperature to obtain the paint for tableware.
The application method of the coating for the bamboo fiber substrate combined tableware comprises the steps of placing the folded combined tableware into a rotating seat of spraying equipment when the coating is sprayed, spraying the coating for the tableware on the inner surface of the tableware by using the spraying equipment, rotating the rotating seat at a speed of 110r/min in the spraying process to throw out the redundant coating, taking out the tableware by using a mechanical arm after the spraying is finished, and drying under the condition of 100 ℃, namely curing a layer of dinner plate coating layer on the surface of the tableware.
Example 4
A coating for bamboo fiber substrate combined tableware comprises the following raw materials in parts by weight: 45 parts of waterproof monomer, 18 parts of VAE emulsion, 2.5 parts of initiator, 4 parts of emulsifier, 6 parts of nano filler, 2.5 parts of plasticizer, 2.5 parts of curing agent, 52 parts of solvent, 7 parts of ethylene-acrylic acid copolymer, 2.5 parts of fullerene carboxylic acid derivative and 2.5 parts of ferric hydroxide. The VAE emulsion is made of a VAE emulsion with a model 707 provided by Shenzhen primary cis chemical industry Co., ltd; the ethylene-acrylic acid copolymer adopts acrylic acid content produced by Zhangjiu Kong market Chuangli new material Co., ltd: AA:20%, melt index: MI: density of 300g/10 min: 0.93 g/-cm 3 of ethylene-acrylic acid copolymer; the fullerene carboxylic acid derivative is prepared by the following method: under the protection of nitrogen, dispersing fullerene C60, p-carboxybenzaldehyde and sarcosine in toluene, and reacting for 10 hours at 110 ℃, wherein the fullerene C60: p-carboxybenzaldehyde: sarcosine: the molar ratio of toluene is: and (3) washing the obtained solid with water after the reaction is finished, and drying to obtain the fullerene carboxylic acid derivative.
The solvent is a mixture consisting of deionized water and glycerol in a weight ratio of 15:0.9.
The waterproof monomer is polyacrylate. The initiator is potassium persulfate. The emulsifier is sodium dodecyl sulfate.
The nano filler is a mixture of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 1.1:0.6:0.7.
The plasticizer is tributyl citrate.
The curing agent is a mixture of aqueous amino resin and dimethyl imidazole according to the weight ratio of 1.12:0.7; the brand of the water-based amino resin produced by Suzhou Qingdan New Material Co Ltd is AA-9077, and the dimethyl imidazole adopts the density provided by Shanghai Jizhu Biochemical technology Co LtdIs 1.0+ -0.1 g/cm 3 Dimethyl imidazole with a melting point of 85-87 ℃.
The coating for the bamboo fiber substrate combined tableware is prepared by the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 80 ℃, and stirring at 700r/min for 5 hours to obtain a mixture A for standby
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 65 ℃, and stirring at a speed of 520r/min for 70min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, stirring for 52min at the temperature of 65 ℃, adding the solvent, stirring for 35min, and cooling the material obtained by the reaction to normal temperature to obtain the coating for tableware.
The application method of the coating for the bamboo fiber substrate combined tableware comprises the steps of placing the folded combined tableware into a rotating seat of spraying equipment when the coating is sprayed, spraying the coating for the tableware on the inner surface of the tableware by utilizing the spraying equipment, rotating the rotating seat at a speed of 115r/min in the spraying process to throw out the redundant coating, taking out the tableware by utilizing a mechanical arm after the spraying is finished, and drying under the condition of 105 ℃, namely curing a layer of dinner plate coating layer on the surface of the tableware.
Example 5
A coating for bamboo fiber substrate combined tableware comprises the following raw materials in parts by weight: 50 parts of waterproof monomer, 20 parts of VAE emulsion, 3 parts of initiator, 5 parts of emulsifier, 7 parts of nano filler, 3 parts of plasticizer, 3 parts of curing agent, 60 parts of solvent, 8 parts of ethylene-acrylic acid copolymer, 3 parts of fullerene carboxylic acid derivative and 3 parts of ferric hydroxide. The VAE emulsion is made of a VAE emulsion with a model 707 provided by Shenzhen primary cis chemical industry Co., ltd; the ethylene-acrylic acid copolymer adopts acrylic acid content produced by Zhangjiu Kong market Chuangli new material Co., ltd: AA:20%, melt index: MI: density of 300g/10 min: 0.93 g/-cm 3 of ethylene-acrylic acid copolymer; the fullerene carboxylic acid derivative is prepared by the following method: under the protection of nitrogen, dispersing fullerene C60, p-carboxybenzaldehyde and sarcosine in toluene, and reacting for 10 hours at 110 ℃, wherein the fullerene C60: p-carboxybenzaldehyde: sarcosine: the molar ratio of toluene is: and (3) washing the obtained solid with water after the reaction is finished, and drying to obtain the fullerene carboxylic acid derivative.
The solvent is a mixture consisting of deionized water and glycerol in a weight ratio of 16:1.0.
The waterproof monomer is acrylic acid. The initiator is potassium persulfate. The emulsifier is glyceryl monostearate.
The nano filler is a mixture of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 1.2:0.7:0.8.
The plasticizer is food grade sodium carboxymethyl cellulose.
The curing agent is a mixture of aqueous amino resin and dimethyl imidazole according to the weight ratio of 1.2:0.8; the brand of the water-based amino resin produced by Suzhou Qingdan New Material Co Ltd is AA-9077, and the density provided by Shanghai Jizhi Biochemical technology Co Ltd is 1.0+/-0.1 g/cm 3 Dimethyl imidazole with a melting point of 85-87 ℃.
The coating for the bamboo fiber substrate combined tableware is prepared by the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 85 ℃, and stirring at 800r/min for 6 hours to obtain a mixture A for standby
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 70 ℃, and stirring at 600r/min for 80min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, keeping the temperature at 70 ℃ and stirring for 60min, adding the solvent and stirring for 40min, and cooling the materials obtained by the reaction to normal temperature to obtain the paint for tableware.
The application method of the coating for the bamboo fiber substrate combined tableware comprises the steps of placing the folded combined tableware into a rotating seat of spraying equipment when the coating is sprayed, spraying the coating for the tableware on the inner surface of the tableware by the spraying equipment, wherein the spraying amount is 12 g/square meter, rotating the rotating seat at the speed of 120r/min in the spraying process, throwing out the redundant coating, taking out the tableware by using a mechanical arm after the spraying is finished, and drying under the condition of 110 ℃, namely curing a layer of dinner plate coating layer on the surface of the tableware.
Comparative example 1
This comparative example differs from example 3 above in that: the raw materials of the coating for the bamboo fiber substrate combined tableware of the comparative example are not added with waterproof monomers. The remainder of this comparative example is the same as in example 3 and will not be described here again.
The paints for bamboo fiber substrate composite tableware prepared in example 3 and comparative example 1, and the NY-2601 aqueous paint supplied by shenzhen energy control ecological chemical technology limited were tested, and the results are shown in the following table 1:
the oil resistance evaluation method comprises the following steps: tested according to the standard GB/T5406-2002;
the water resistance evaluation method comprises the following steps: folding the coated paper into a paper container with the thickness of 10 x 5cm, adding 50g of water into the paper container, and standing for 24 hours to observe whether water leaks;
adhesion force: the method comprises the steps of (1) tightly attaching 810 adhesive tapes of a 3M company to the surface of a gloss oil coating, discharging bubbles below the adhesive tapes by pressing the adhesive tapes with thumbs, fully attaching the adhesive tapes to the gloss oil, standing for 1 minute, rapidly pulling the adhesive tapes away by force, and looking at the dropping condition of the gloss oil, wherein the evaluation result is 1-5 grades, preferably 1 grade, completely not falling off, worst 5 grades and completely falling off;
high Wen Chinian force: selecting a temperature type adhesive tape retention tester (MIDEL KJ-6012, toguan Co., ltd.) for carrying out a retention test at 100deg.C to evaluate the high temperature resistance of the adhesive tape;
boiling water resistance test: the determination method is described in GB18006.1-1999 general technical Condition of disposable degradable tableware.
TABLE 1
| Project | Example 1 | Comparative example 1 | Commercial products |
| Oil resistance (g) | 0.00 | 0.56 | 1.21 |
| Water resistance | No water leakage | Has a water leakage point | No water leakage |
| Adhesion force | 1 | 2 | 2 |
| High Wen Chinian force | 4 hours 45 minutes | 2 hours 45 minutes | 2 hours 12 minutes |
| Test for boiling Water resistance | ≥3hr | ≥1hr | ≥1hr |
As can be seen from the data in the table, the coating for the bamboo fiber substrate combined tableware prepared in the embodiment 3 of the invention has excellent adhesive force, water and oil resistance and high Wen Chinian force; wherein, the addition of the waterproof monomer effectively improves the comprehensive performance of the coating for the bamboo fiber substrate combined tableware, so that the comprehensive performance of the tableware after the coating for the bamboo fiber substrate combined tableware coats the diaphragm is improved.
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. A coating for bamboo fiber substrate combined tableware is characterized in that: the material comprises the following raw materials in parts by weight: 30-50 parts of waterproof monomer, 10-20 parts of VAE emulsion, 1-3 parts of initiator, 1-5 parts of emulsifier, 3-7 parts of nano filler, 1-3 parts of plasticizer, 1-3 parts of curing agent, 30-60 parts of solvent and 4-8 parts of ethylene-acrylic acid copolymer.
2. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the adhesive also comprises the following raw materials in parts by weight: 1-3 parts of fullerene carboxylic acid derivative and 1-3 parts of ferric hydroxide.
3. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the waterproof monomer is one or more of acrylic acid, butyl acrylate, ethyl acrylate, methyl methacrylate, methacrylamide, hydroxyethyl acrylate and polyacrylate.
4. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the initiator is potassium persulfate or ammonium persulfate.
5. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the emulsifier is one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, tween 80, glyceryl monostearate and fatty acid polyoxyethylene ether.
6. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the nano filler is a mixture composed of nano organic montmorillonite, nano silicon dioxide and nano calcium carbonate according to the weight ratio of 0.8-1.2:0.3-0.7:0.4-0.8.
7. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the plasticizer is one or more of food-grade sodium carboxymethyl cellulose, epoxidized soybean oil, tributyl citrate and acetyl tributyl citrate.
8. The paint for bamboo fiber substrate combined tableware of claim 1, wherein: the curing agent is a mixture of aqueous amino resin and dimethyl imidazole according to the weight ratio of 0.8-1.2:0.4-0.8.
9. A process for preparing a coating for bamboo fiber substrate composite tableware according to any one of claims 2 to 8, characterized in that: the preparation method comprises the following steps:
s1, adding a waterproof monomer, a VAE emulsion, an ethylene-acrylic acid copolymer and a nano filler into a reaction kettle according to parts by weight, uniformly mixing, heating to 65-85 ℃, and stirring at 400-800r/min for 2-6h to obtain a mixture A for later use
S2, mixing and stirring fullerene carboxylic acid derivatives and ferric hydroxide according to parts by weight, adding a plasticizer, an initiator and a curing agent, heating to 50-70 ℃, and stirring at a speed of 300-600r/min for 40-80min to obtain a mixture B for later use;
s3, adding the emulsifier and the mixture B into the mixture A according to parts by weight, keeping the temperature at 50-70 ℃ and stirring for 30-60min, adding the solvent and stirring for 20-40min, and cooling the material obtained by the reaction to normal temperature to obtain the paint for tableware.
10. A method of applying a coating for bamboo fibre substrate composite tableware as claimed in any one of claims 1 to 8, characterised in that: when the paint is sprayed, the folded combined tableware is placed in a rotating seat of spraying equipment, the paint for the tableware is sprayed on the inner surface of the tableware by the spraying equipment, the spraying amount is 10-12 g/square meter, the rotating seat rotates at the speed of 100-120r/min in the spraying process, the redundant paint is thrown out, the tableware is taken out by a mechanical arm after the spraying is finished, and the tableware is dried under the condition of 90-110 ℃, so that a layer of dinner plate paint layer is solidified on the surface of the tableware.
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| CN112760064A (en) * | 2021-01-21 | 2021-05-07 | 英创科技(广州)有限公司 | Water-based adhesive and preparation method and application thereof |
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| CN109577100A (en) * | 2018-12-18 | 2019-04-05 | 广州泽田餐饮用品实业有限公司 | It is a kind of can photooxidation droping polyethylene leaching membrane paper and the preparation method and application thereof |
| CN112760064A (en) * | 2021-01-21 | 2021-05-07 | 英创科技(广州)有限公司 | Water-based adhesive and preparation method and application thereof |
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