CN114752154B - Environment-friendly foam packaging plate and preparation method thereof - Google Patents
Environment-friendly foam packaging plate and preparation method thereof Download PDFInfo
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- CN114752154B CN114752154B CN202210296545.6A CN202210296545A CN114752154B CN 114752154 B CN114752154 B CN 114752154B CN 202210296545 A CN202210296545 A CN 202210296545A CN 114752154 B CN114752154 B CN 114752154B
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- 239000006260 foam Substances 0.000 title claims abstract description 51
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003607 modifier Substances 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 25
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 25
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 22
- 239000000661 sodium alginate Substances 0.000 claims abstract description 22
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 22
- 229910021538 borax Inorganic materials 0.000 claims abstract description 21
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 21
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229960001280 amantadine hydrochloride Drugs 0.000 claims abstract description 19
- WOLHOYHSEKDWQH-UHFFFAOYSA-N amantadine hydrochloride Chemical compound [Cl-].C1C(C2)CC3CC2CC1([NH3+])C3 WOLHOYHSEKDWQH-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003349 gelling agent Substances 0.000 claims abstract description 19
- 239000004793 Polystyrene Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229920002223 polystyrene Polymers 0.000 claims abstract description 18
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 17
- 239000004417 polycarbonate Substances 0.000 claims abstract description 17
- 241000237502 Ostreidae Species 0.000 claims abstract description 16
- 235000020636 oyster Nutrition 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000005187 foaming Methods 0.000 claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002202 Polyethylene glycol Substances 0.000 claims description 16
- 229960005323 phenoxyethanol Drugs 0.000 claims description 16
- 229920001223 polyethylene glycol Polymers 0.000 claims description 16
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 14
- 238000009210 therapy by ultrasound Methods 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 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 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 5
- -1 isopentenyl Chemical group 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 4
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 4
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 17
- 238000005452 bending Methods 0.000 abstract description 14
- 230000002421 anti-septic effect Effects 0.000 abstract description 10
- 230000000052 comparative effect Effects 0.000 description 21
- 238000005260 corrosion Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 10
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 5
- 229910001424 calcium ion Inorganic materials 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZNEMGFATAVGQSF-UHFFFAOYSA-N 1-(2-amino-6,7-dihydro-4H-[1,3]thiazolo[4,5-c]pyridin-5-yl)-2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]ethanone Chemical compound NC=1SC2=C(CN(CC2)C(CC=2OC(=NN=2)C=2C=NC(=NC=2)NC2CC3=CC=CC=C3C2)=O)N=1 ZNEMGFATAVGQSF-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000009630 liquid culture Methods 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of 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 aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/04—Alginic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use of 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 alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- 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
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application relates to the field of foam boards, and specifically discloses an environment-friendly foam packaging board and a preparation method thereof, wherein the foam packaging board comprises the following raw materials: polystyrene, polycarbonate, a modifier, inorganic soil, graphite powder, polyoxyethylene ether, a gelling agent and a modifier, wherein the modifier comprises borax, amantadine hydrochloride and oyster powder. The preparation method of the foam packaging plate comprises the following steps: step one, melting polystyrene and polycarbonate, adding a modifier, and uniformly mixing to obtain a composite material; grinding sodium alginate, adding the sodium alginate into organic alcohol, and uniformly dispersing to obtain a gelatinizing agent; step three, inorganic soil, graphite powder and polyoxyethylene ether are mixed and homogenized, added into a composite material, and a gelatinizing agent is atomized and sprayed to obtain a mixture; and step four, foaming, curing and forming the mixture to obtain the foam board. The foam packaging plate prepared by the application has excellent antibacterial and antiseptic properties, and meanwhile, the tensile strength and bending strength of the product can be effectively improved.
Description
Technical Field
The application relates to the field of foam boards, in particular to an environment-friendly foam packaging board and a preparation method thereof.
Background
The foam board is a white object formed by heating expandable polystyrene beads containing volatile liquid foaming agent in a mold after heating and pre-expanding, has the structural characteristic of fine closed pores, and has wide application in various fields.
The patent application with publication number CN110791068A discloses a foam board which comprises the following components in parts by weight: 60-100 parts of polylactic acid, 30-50 parts of polyethylene, 6-17 parts of polyethylene glycol ether, 2-8 parts of polyester polyol, 5-16 parts of polyester resin, 6-18 parts of starch, 1-5 parts of foam stabilizer, 2-6 parts of seaweed extract, 1-4 parts of silicone oil, 3-5 parts of bauxite, 8-15 parts of ethylene-vinyl acetate, 0.5-3 parts of expanded graphite, 3-7 parts of bamboo fiber, 1-4 parts of magnesium carbonate and 0.2-0.5 part of stabilizer; is prepared through mixing, ultrasonic treatment, pre-foaming, extrusion and other steps.
In some factories or logistics companies, articles are often stored by using foam boards, after the foam boards are used for a period of time in some humid environments, corresponding corrosion conditions of the foam boards occur, and the corners of the foam boards are provided with mold growth and the like, so that the normal use of the foam boards is seriously affected.
Disclosure of Invention
The application provides an environment-friendly foam packaging plate and a preparation method thereof, and the prepared foam packaging plate has excellent antibacterial and antiseptic properties in a humid environment.
In a first aspect, the application provides an environment-friendly foam packaging board which adopts the following technical scheme:
an environment-friendly foam packaging plate comprises the following raw materials in parts by weight: 70-96 parts of polystyrene, 15-23 parts of polycarbonate, 4-9 parts of modifier, 10-15 parts of inorganic soil, 0.3-0.5 part of graphite powder, 2-6 parts of polyoxyethylene ether and 8-16 parts of gelling agent, wherein the modifier comprises borax, amantadine hydrochloride and oyster powder; the gelling agent comprises sodium alginate and organic alcohol.
By adopting the technical scheme, the polystyrene and the polycarbonate are used as main raw materials, and the modifier is used for modifying the polystyrene and the polycarbonate, so that the bacteriostasis and the corrosion resistance of the product can be effectively improved, and the tensile strength and the bending strength of the product can be improved. The addition of the inorganic soil can effectively improve the dispersibility of the raw material components, plays a certain role in preventing sedimentation, and can also improve the mechanical properties of the product.
The oyster powder is powder ground by adopting oyster shells, contains a large amount of calcium carbonate, calcium ions are important bridging substances for forming a gel layer, and after sodium alginate in the gel agent is combined with the calcium ions, the gel layer is formed, so that the internal cohesiveness is effectively improved, the compactness of the internal structure of the product is improved, corrosive media are reduced from entering the product, and the corrosion of the product is reduced.
The borax and amantadine hydrochloride are compounded, so that the antibacterial performance of the product can be effectively improved, the borax can be crosslinked with hydroxyl groups in polyoxyethylene ether and organic alcohol to form a three-dimensional network structure, and the tensile strength and bending strength of the product are further effectively improved; the amantadine hydrochloride contains hydrophilic amino groups and lipophilic adamantyl groups on molecules, the adamantyl groups contain three mutually connected carbon six-membered rings, certain interaction adsorption effect is achieved between the adamantyl groups and the graphite powder, a protective film can be formed inside under the effect of a gelatinizing agent, corrosion of products is further reduced, and good antibacterial effect is achieved.
Preferably, the mass ratio of the borax to the amantadine hydrochloride to the oyster powder is (1.8-4): 1-2.2): 1.2-2.8.
By adopting the technical scheme, the dosage ratio of borax, amantadine hydrochloride and oyster powder is further optimized, and the modification effect of the modifier on the raw material components can be effectively improved, so that the antibacterial and antiseptic properties of the product are improved, and meanwhile, the product has good mechanical properties.
Preferably, the gelling agent comprises 3-7 parts by weight of sodium alginate and 5-9 parts by weight of organic alcohol based on raw materials.
By adopting the technical scheme, the dosage of the sodium alginate and the organic alcohol is optimized, so that the sodium alginate and the organic alcohol can be better matched with the modifier, the internal structure of the product is improved together, and the antibacterial and antiseptic properties and the mechanical properties of the product are improved.
Preferably, the organic alcohol is at least two of phenoxyethanol, polyvinyl alcohol and polyethylene glycol.
Preferably, the organic alcohol is phenoxyethanol, polyvinyl alcohol and polyethylene glycol, and the mass ratio of the phenoxyethanol to the polyvinyl alcohol to the polyethylene glycol is (1.4-3) (2.8-4) (0.8-2).
By adopting the technical scheme, the component selection and dosage relation of the organic alcohol is optimized, so that the organic alcohol is matched with the modifier, and the quality of the product is improved. The phenoxyethanol can endow the product with certain antibacterial and antiseptic properties, the polyvinyl alcohol can improve the cohesiveness among the raw material components, the polyethylene glycol can improve the compatibility among the components, and the hydroxyl of the organic alcohol can be crosslinked with borax to form a net structure, so that the quality of the product is synergistically improved.
Preferably, the inorganic clay is kaolin or montmorillonite.
By adopting the technical scheme, the selection of the inorganic soil is optimized to assist the uniform dispersion of the raw material components in the system, and the compoundability among the raw material components is improved so as to improve the tensile strength and the bending strength of the product.
Preferably, the polyoxyethylene ether is one of isopentenyl polyoxyethylene ether, nonylphenol polyoxyethylene ether or fatty alcohol polyoxyethylene ether.
By adopting the technical scheme, the polyoxyethylene ether is an excellent surfactant, has good foaming capacity, can be matched with the modifier, improves the mechanical properties of the product, optimizes the types of the polyoxyethylene ether, and further improves the tensile strength and the bending strength of the product.
In a second aspect, the present application provides a method for preparing an environment-friendly foam packaging board, which adopts the following technical scheme: the preparation method of the environment-friendly foam packaging plate comprises the following steps:
step one, melting polystyrene and polycarbonate, adding a modifier, uniformly mixing, and preserving heat for 20-40min to obtain a composite material;
grinding sodium alginate to powder with the particle size of less than 10 mu m, adding the powder into organic alcohol for uniform dispersion, and performing ultrasonic treatment for 10-25min to obtain a gelatinizing agent;
step three, mixing and homogenizing inorganic soil, graphite powder and polyoxyethylene ether, adding the mixture into a composite material, performing ultrasonic treatment, and simultaneously atomizing and spraying a gelatinizing agent to obtain a mixture;
and step four, foaming, curing and forming the mixture to obtain the foam board.
By adopting the technical scheme, the modifier is added after the polystyrene and the polycarbonate are melted, so that the modifier is beneficial to modifying the raw materials, the bacteriostasis and corrosion resistance of the product can be effectively improved, and the tensile strength and bending strength of the product can be improved. And after the sodium alginate and the organic alcohol are compounded, ultrasonic treatment is carried out so as to facilitate uniform dispersion of the gelling agent and facilitate subsequent atomization and spraying.
The gelling agent is sprayed in an atomizing spraying mode, the organic alcohol carries sodium alginate powder to be uniformly attached to the surfaces of all raw material components, and after the sodium alginate in the gelling agent is combined with calcium ions carried by oyster powder in the composite material, a gelling layer is formed on the surfaces of the sodium alginate, so that the cohesiveness among all the raw material components is effectively improved, and the compactness of the internal structure of a product is improved. The organic alcohol can be matched with the composite material, so that the mechanical property of the product is further improved.
Preferably, in the third step, the temperature is set to be 50-75 ℃ and the treatment time is 40-65min.
By adopting the technical scheme, the treatment temperature is optimized, the reaction is further promoted, and the quality of the product is improved.
In summary, the present application has the following beneficial effects:
1. polystyrene and polycarbonate are used as main raw materials, and the modifier is used for modifying the polystyrene and the polycarbonate, so that the bacteriostasis and corrosion resistance of the product can be effectively improved, and the tensile strength and bending strength of the product can be improved. The oyster powder is powder ground by adopting oyster shells, contains a large amount of calcium carbonate, calcium ions are important bridging substances for forming a gel layer, and after sodium alginate in the gel agent is combined with the calcium ions, the gel layer is formed, so that the internal cohesiveness is effectively improved, the compactness of the internal structure of the product is improved, corrosive media are reduced from entering the product, and the corrosion of the product is reduced.
2. The borax and amantadine hydrochloride are compounded, so that the antibacterial performance of the product can be effectively improved, the borax can be crosslinked with hydroxyl groups in polyoxyethylene ether and organic alcohol to form a three-dimensional network structure, and the tensile strength and bending strength of the product are further effectively improved; the amantadine hydrochloride contains hydrophilic amino groups and lipophilic adamantyl groups on molecules, the adamantyl groups contain three mutually connected carbon six-membered rings, certain interaction adsorption effect is achieved between the adamantyl groups and the graphite powder, a protective film can be formed inside under the effect of a gelatinizing agent, corrosion of products is further reduced, and good antibacterial effect is achieved.
Detailed Description
The present application is described in further detail below with reference to examples.
The raw materials used in the method are all common and commercially available raw materials.
Examples
Example 1
The environment-friendly foam packaging plate comprises the following raw materials: 70kg of polystyrene, 23kg of polycarbonate, 4kg of modifier, 10kg of kaolin, 0.3kg of graphite powder, 2kg of isopentenyl polyoxyethylene ether, 8kg of gelling agent, wherein the modifier comprises 1.8kg of borax, 1kg of amantadine hydrochloride and 1.2kg of oyster powder; the gelling agent comprises 3kg of sodium alginate and 5kg of organic alcohol; the organic alcohol is polyvinyl alcohol 3kg and polyethylene glycol 2kg;
the preparation method of the environment-friendly foam packaging plate comprises the following steps:
step one, melting polystyrene and polycarbonate, adding a modifier, uniformly mixing, and preserving heat for 20min to obtain a composite material;
grinding sodium alginate to powder with the particle size of less than 10 mu m, adding the powder into organic alcohol for uniform dispersion, and performing ultrasonic treatment for 25min to obtain a gelatinizing agent;
mixing and homogenizing kaolin, graphite powder and isopentenyl polyoxyethylene ether, adding the mixture into a composite material, performing ultrasonic treatment at 50 ℃ for 65min, and simultaneously performing atomization spraying on a gelatinizing agent to obtain a mixture;
and step four, foaming, curing and forming the mixture to obtain the foam board.
Example 2
The environment-friendly foam packaging plate comprises the following raw materials: 96kg of polystyrene, 15kg of polycarbonate, 4kg of modifier, 15kg of kaolin, 0.5kg of graphite powder, 6kg of nonylphenol polyoxyethylene ether, 8kg of gelling agent, wherein the modifier comprises 1.8kg of borax, 1kg of amantadine hydrochloride and 1.2kg of oyster powder; the gelling agent comprises 3kg of sodium alginate and 5kg of organic alcohol; the organic alcohol is 3kg of phenoxyethanol and 2kg of polyethylene glycol;
the preparation method of the environment-friendly foam packaging plate comprises the following steps:
step one, melting polystyrene and polycarbonate, adding a modifier, uniformly mixing, and preserving heat for 40min to obtain a composite material;
grinding sodium alginate to powder with the particle size of less than 10 mu m, adding the powder into organic alcohol for uniform dispersion, and performing ultrasonic treatment for 10min to obtain a gelatinizing agent;
mixing and homogenizing kaolin, graphite powder and nonylphenol polyoxyethylene ether, adding the mixture into the composite material, carrying out ultrasonic treatment for 40min at the temperature of 75 ℃, and simultaneously carrying out atomization spraying on a gelatinizing agent to obtain a mixture;
and step four, foaming, curing and forming the mixture to obtain the foam board.
Example 3
The environment-friendly foam packaging plate comprises the following raw materials: 86kg of polystyrene, 20kg of polycarbonate, 4kg of modifier, 15kg of montmorillonite, 0.4kg of graphite powder, 3.8kg of fatty alcohol-polyoxyethylene ether and 8kg of gelling agent, wherein the modifier comprises 1.8kg of borax, 1kg of amantadine hydrochloride and 1.2kg of oyster powder; the gelling agent comprises 3kg of sodium alginate and 5kg of organic alcohol; the organic alcohol is 2kg of phenoxyethanol and 3kg of polyvinyl alcohol;
the preparation method of the environment-friendly foam packaging plate comprises the following steps:
step one, melting polystyrene and polycarbonate, adding a modifier, uniformly mixing, and preserving heat for 35min to obtain a composite material;
grinding sodium alginate to powder with the particle size of less than 10 mu m, adding the powder into organic alcohol for uniform dispersion, and performing ultrasonic treatment for 20min to obtain a gelatinizing agent;
mixing montmorillonite, graphite powder and fatty alcohol polyoxyethylene ether, homogenizing, adding the mixture into the composite material, performing ultrasonic treatment at 65 ℃ for 52min, and simultaneously atomizing and spraying a gelatinizing agent to obtain a mixture;
and step four, foaming, curing and forming the mixture to obtain the foam board.
Example 4
The difference from example 3 is that the modifier comprises borax 4kg, amantadine hydrochloride 2.2kg and oyster powder 2.8kg; the remainder was the same as in example 3.
Example 5
The difference from example 3 is that the modifier comprises borax 2.8kg, amantadine hydrochloride 1.5kg and oyster powder 2kg; the remainder was the same as in example 3.
Example 6 (out of proportion)
The difference from example 3 is that the modifier comprises borax 1.2kg, amantadine hydrochloride 4.1kg and oyster powder 1kg; the remainder was the same as in example 3.
Example 7
The difference from example 5 is that the gelling agent comprises sodium alginate 4.2kg and organic alcohol 5kg; the organic alcohol was phenoxyethanol 1.4kg, polypropylene glycol 2.8kg and polyethylene glycol 0.8kg, and the rest was the same as in example 5.
Example 8 (three choices)
The difference from example 7 is that the organic alcohols are phenoxyethanol 3kg and polyvinyl alcohol 4kg and polyethylene glycol 2kg, the remainder being the same as in example 7.
Example 9
The difference from example 8 is that the organic alcohol is phenoxyethanol 1.4kg and polyvinyl alcohol 2.8kg and polyethylene glycol 2kg, the rest is the same as example 8
Example 10
The difference from example 8 is that the organic alcohol is phenoxyethanol 2.2kg and polyvinyl alcohol 3.5kg and polyethylene glycol 1.6kg, the remainder being the same as example 8.
Example 11 (out of scale)
The difference from example 10 is that the organic alcohol is phenoxyethanol 3.5kg and polyvinyl alcohol 1.2kg and polyethylene glycol 2.6kg, the remainder being the same as in example 10.
Example 12
The difference from example 10 is that montmorillonite is 12kg, and the rest is the same as example 10.
Comparative example
Comparative example 1
The difference from example 12 is that borax is not added to the modifier, and the rest is the same as in example 12.
Comparative example 2
The difference from example 12 is that amantadine hydrochloride is not added to the modifier, and the rest is the same as example 12.
Comparative example 3
The difference from example 12 is that no gelling agent is added, and the rest is the same as in example 12.
Comparative example 4
The difference from example 12 is that the gelling agent is replaced by an equivalent amount of polyvinyl alcohol, the remainder being the same as in example 12.
Comparative example 5
The difference from example 12 is that the preparation method of the environment-friendly foam packaging board comprises the following steps: uniformly mixing the raw material components, and foaming, curing and forming to obtain a foam board; the remainder was the same as in example 12.
Performance test
The foam packaging boards obtained in examples 1 to 12 and comparative examples 1 to 5 were subjected to a bending strength test according to GB/T8812-2007 test for bending Property of rigid foam, and a tensile strength test according to GB/T9641 test for tensile Property of rigid foam, and the results are shown in Table 1.
The foam packaging boards obtained in examples 1 to 12 and comparative examples 1 to 5 were placed in a humid environment having an air humidity of 80.+ -. 5%, and the degree of mold growth was measured in accordance with GB/T1741-2007 test for mold resistance of paint film, and the results are shown in Table 1.
After the foam packaging boards prepared in examples 1 to 12 and comparative examples 1 to 5 were grouped, bacteriostasis test was performed: the mould is firstly cultured in a liquid culture medium to obtain a bacterial liquid with the bacterial count of 100-110CFU/mL, then the mould is inoculated on a corresponding foam packaging plate, the foam packaging plate is placed in a room temperature environment for culture, the average logarithmic reduction value of the CFU of the mould after 24 hours is recorded, and the antibacterial rate is calculated, and the result is shown in Table 1.
Table 1 test results
| Flexural Strength/MPa | Tensile Strength/MPa | Degree/grade of mould growth | Bacteriostatic rate/% | |
| Example 1 | 10.2 | 0.93 | 0 | 82.2 |
| Example 2 | 10.5 | 0.96 | 0 | 83.5 |
| Example 3 | 11.3 | 1.04 | 0 | 84.8 |
| Example 4 | 11.2 | 1.02 | 0 | 83.9 |
| Example 5 | 12.1 | 1.1 | 0 | 85.7 |
| Example 6 | 11 | 0.97 | 0 | 84.1 |
| Example 7 | 12.5 | 1.07 | 0 | 86 |
| Example 8 | 13.4 | 1.22 | 0 | 87.2 |
| Example 9 | 13.1 | 1.19 | 0 | 86.4 |
| Example 10 | 14.7 | 1.31 | 0 | 87.9 |
| Example 11 | 12.9 | 1.12 | 0 | 85.7 |
| Example 12 | 14.9 | 1.35 | 0 | 88.5 |
| Comparative example 1 | 8.6 | 0.76 | 2 | 73.7 |
| Comparative example 2 | 9.1 | 0.82 | 2 | 70.8 |
| Comparative example 3 | 8 | 0.72 | 2 | 71.5 |
| Comparative example 4 | 9.3 | 0.86 | 1 | 74.3 |
| Comparative example 5 | 8.1 | 0.7 | 2 | 70.1 |
It can be seen from examples 1 to 12 in combination with Table 1 that the foam packaging board prepared by the method has excellent antibacterial and antiseptic properties, and meanwhile, the tensile strength and bending strength of the product can be effectively improved, and the mechanical properties of the foam packaging board are excellent. The organic alcohol in the embodiment 1 is not phenoxyethanol, the product is relatively low in bacteriostasis, the raw material components and the modified component dosage are further optimized, the bacteriostasis and corrosion resistance of the product can be improved to a certain extent, and meanwhile, the mechanical property of the product is improved, wherein in the embodiment 6, the dosage ratio of each raw material component in the modifier is poor, so that the comprehensive performance of the product is reduced. In example 7, three organic alcohols, namely phenoxyethanol, polypropylene glycol and polyethylene glycol are selected, but the overall properties of the prepared product are worse than those of example 8, and in example 8, phenoxyethanol and polyvinyl alcohol and polyethylene glycol are adopted as the organic alcohols, because phenoxyethanol can endow the product with certain antibacterial and antiseptic properties, polyvinyl alcohol can improve the cohesiveness among the raw material components, polyethylene glycol can improve the compatibility among the components, and hydroxyl of the organic alcohol can be crosslinked with borax to form a net structure, so that the quality of the product is synergistically improved.
As can be seen from the combination of example 12 and comparative examples 1-2 and the combination of Table 1, the composition of the modifier is poor in antibacterial and antiseptic properties of the product prepared from the modifier, and the tensile strength and bending strength of the product are obviously reduced, regardless of the borax or the amantadine hydrochloride. It can be seen from the combination of example 12 and comparative examples 3 to 4 and the combination of Table 1 that comparative example 3 lacks a gelling agent, that comparative example 4 uses only a polystyrene alcohol as a gelling agent, that the antibacterial and antiseptic properties of the products obtained in comparative example 3 and comparative example 4 are poor, and that the tensile strength and flexural strength of the products are significantly reduced. The borax and amantadine hydrochloride are compounded, so that the antibacterial performance of the product can be effectively improved, the borax can be crosslinked with hydroxyl groups in polyoxyethylene ether and organic alcohol to form a three-dimensional network structure, and the tensile strength and bending strength of the product are further effectively improved; the amantadine hydrochloride contains hydrophilic amino groups and lipophilic adamantyl groups on molecules, the adamantyl groups contain three mutually connected carbon six-membered rings, certain interaction adsorption effect is achieved between the adamantyl groups and the graphite powder, a protective film can be formed inside under the effect of a gelatinizing agent, corrosion of products is further reduced, and good antibacterial effect is achieved.
It can be seen from the combination of example 12 and comparative example 5 and the combination of table 1 that the product quality of the present application cannot be obtained by directly mixing the raw material components and then performing the conventional steps of foaming, curing and forming, and the raw material components need to be synergistically effective under certain conditions, so as to improve the antibacterial and antiseptic properties of the product, and meanwhile, the product has good tensile strength and bending strength.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (5)
1. The environment-friendly foam packaging plate is characterized by comprising the following raw materials in parts by weight: 70-96 parts of polystyrene, 15-23 parts of polycarbonate, 4-9 parts of modifier, 10-15 parts of inorganic soil, 0.3-0.5 part of graphite powder, 2-6 parts of polyoxyethylene ether, 8-16 parts of gelatinizing agent,
the modifier comprises borax, amantadine hydrochloride and oyster powder with the mass ratio of (1.8-4) to (1-2.2) to (1.2-2.8);
based on raw materials, the gelling agent comprises 3-7 parts by weight of sodium alginate and 5-9 parts by weight of organic alcohol, wherein the organic alcohol is phenoxyethanol, polyvinyl alcohol and polyethylene glycol with the mass ratio of (1.4-3): 2.8-4): 0.8-2.
2. The environmentally friendly foam board of claim 1 wherein: the inorganic soil is kaolin or montmorillonite.
3. The environmentally friendly foam board of claim 1 wherein: the polyoxyethylene ether is one of isopentenyl polyoxyethylene ether, nonylphenol polyoxyethylene ether or fatty alcohol polyoxyethylene ether.
4. A method for producing an environment-friendly foam packaging board according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
step one, melting polystyrene and polycarbonate, adding a modifier, uniformly mixing, and preserving heat for 20-40min to obtain a composite material;
grinding sodium alginate to powder with the particle size of less than 10 mu m, adding the powder into organic alcohol for uniform dispersion, and performing ultrasonic treatment for 10-25min to obtain a gelatinizing agent;
step three, mixing and homogenizing inorganic soil, graphite powder and polyoxyethylene ether, adding the mixture into a composite material, performing ultrasonic treatment, and simultaneously atomizing and spraying a gelatinizing agent to obtain a mixture;
and step four, foaming, curing and forming the mixture to obtain the foam board.
5. The method for manufacturing an environment-friendly foam packaging board according to claim 4, wherein: in the third step, the temperature is set to be 50-75 ℃ and the treatment time is 40-65min.
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| CN101602885A (en) * | 2008-06-10 | 2009-12-16 | 索尼株式会社 | Fire-retarded polycarbonate resin composition |
| CN108367142A (en) * | 2015-12-15 | 2018-08-03 | 久光制药株式会社 | Microneedle sheet |
| CN114085499A (en) * | 2021-11-27 | 2022-02-25 | 成都众恒印务有限责任公司 | Method for improving peel strength of packaging material |
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| AU2019373474A1 (en) * | 2018-11-02 | 2021-06-10 | Covalon Technologies Inc. | Foam compositions, foam matrices and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101602885A (en) * | 2008-06-10 | 2009-12-16 | 索尼株式会社 | Fire-retarded polycarbonate resin composition |
| CN108367142A (en) * | 2015-12-15 | 2018-08-03 | 久光制药株式会社 | Microneedle sheet |
| CN114085499A (en) * | 2021-11-27 | 2022-02-25 | 成都众恒印务有限责任公司 | Method for improving peel strength of packaging material |
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