WO2011155662A1 - Card comprising korean paper sheet combined with biodegradable resin sheet, and method for manufacturing same - Google Patents

Card comprising korean paper sheet combined with biodegradable resin sheet, and method for manufacturing same Download PDF

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Publication number
WO2011155662A1
WO2011155662A1 PCT/KR2010/005412 KR2010005412W WO2011155662A1 WO 2011155662 A1 WO2011155662 A1 WO 2011155662A1 KR 2010005412 W KR2010005412 W KR 2010005412W WO 2011155662 A1 WO2011155662 A1 WO 2011155662A1
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WO
WIPO (PCT)
Prior art keywords
sheet
resin
kgf
card
biodegradable
Prior art date
Application number
PCT/KR2010/005412
Other languages
French (fr)
Korean (ko)
Inventor
김지수
Original Assignee
Kim Ji Soo
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Filing date
Publication date
Application filed by Kim Ji Soo filed Critical Kim Ji Soo
Publication of WO2011155662A1 publication Critical patent/WO2011155662A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
    • B32B37/182—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
    • B32B37/185—Laminating sheets, panels or inserts between two discrete plastic layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/46—Associating two or more layers using pressure
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
    • G06K19/022—Processes or apparatus therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F1/00—Cardboard or like show-cards of foldable or flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • B32B2307/7163—Biodegradable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2425/00—Cards, e.g. identity cards, credit cards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2519/00—Labels, badges
    • B32B2519/02—RFID tags
    • B42D2033/28—
    • B42D2033/32—

Definitions

  • the present invention relates to a card in which a paper sheet and a biodegradable resin sheet are combined by heating and pressing using an adhesive, and a method for producing the same.
  • cards used for payment cards and identification cards are made of a glass or polymer series resin having constant strength and resistance against external pollution so as not to be wrinkled or torn due to long-term repeated use and quality reliability, Carbonate-based materials are mainly used.
  • the above-mentioned conventional glass or polymer-based resin is generally an importing material and has a higher price than paper, which is a factor of increasing the price.
  • the polymer-based resin as a compound is hardly decomposed at the time of card disposal, there is a problem.
  • PLA poly lactic acid
  • the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a card with improved trajectory and increased durability by bonding a thermosetting resin, a thermoplastic resin or an environmentally- have.
  • an object of the present invention is to simplify the manufacturing process by omitting a separate side waterproofing operation.
  • the present invention provides a base sheet comprising a biodegradable resin cured to form a sheet; A base paper sheet laminated on at least one of upper and lower surfaces of the base sheet and capable of printing on a surface not in contact with the base sheet, wherein the base paper sheet is impregnated with at least one of a thermosetting resin, a thermoplastic resin and a biodegradable water- A protective sheet formed by drying; And a biodegradable natural adhesive applied to the adhesion surface of the base sheet and the protective sheet.
  • the card is combined with the biodegradable resin sheet.
  • the base sheet may be a biodegradable resin such as thermoplastic starch (TPS), poly lactic acid (PLA), poly glycolic acid, poly caprolactone, aliphatic polyester resin, aliphatic A biodegradable resin (PBS, PBA, PBSA, PCL), polyhydroxy butyric acid (PHB), D-3-hydroxy butyric acid or biodegradable nanocomposite , And then curing it.
  • TPS thermoplastic starch
  • PLA poly lactic acid
  • PAG poly glycolic acid
  • poly caprolactone poly aliphatic polyester resin
  • PBS polyhydroxy butyric acid
  • PHB polyhydroxy butyric acid
  • D-3-hydroxy butyric acid or biodegradable nanocomposite a biodegradable resin
  • the Hanji sheet for forming the protective sheet is prepared by mixing paper pulp, dough pulp, a mixture of ceramic ilite and a poly ethylene oxide mixture as a dispersant, polyacrylamide (PAM) as an emulsion enhancer, starch and vegetable gums .
  • PAM polyacrylamide
  • the protective sheet of the present invention is formed by impregnating the above-mentioned paper sheet with a waterproof finishing material such as a thermosetting resin, a thermoplastic resin or a biodegradable water repellent agent.
  • the waterproof finishing material includes a water repellent of vegetable high-tex, A polymer selected from among TPS, PLA, polyglycolic acid, polycaprolactone, aliphatic polyester resin, PBS, PBA, PBSA, PCL, PHB and D-3-hydroxybutyl acid, which are biodegradable materials using starch Use more than one.
  • the natural adhesive of the present invention comprises 60 to 80% by weight of a natural resin powder; 5 to 10% by weight of a 2.000 to 2.500 mesh gneiss; 10 to 20% by weight of modified starch; 5 to 10% by weight of natural silicone adhesive; And 5 to 20% by weight of water.
  • the RFID tag further includes an RFID tag including an RFID chip and an antenna loop.
  • An insertion groove is formed on one surface of the base sheet, the RFID chip is inserted into the insertion groove of the base sheet, So that the antenna loop is disposed.
  • a transparent sheet selected from a natural laminated film or a resin-cured sheet made of a thin plate is disposed on one side of the protective sheet not in contact with the base sheet.
  • a method of manufacturing a biodegradable resin sheet comprising the steps of: preparing a biodegradable resin sheet as a base sheet and a Hanji sheet impregnated with a thermosetting resin, a thermoplastic resin or an environmentally- Printing on the opposite side of the adhesive surface of the protective sheet; Applying a natural adhesive to the bonding surfaces of the base sheet and the protective sheet to dispose the protective sheet on at least one of upper and lower surfaces of the base sheet;
  • the heat press temperature was 110 to 120 ° C for 5 to 7 minutes at 37 to 73 kgf / cm 2 for 5 to 7 minutes at a pressure of 47 kgf / cm 2 to 53 kgf / cm 2 in a state where the base sheet and the protective sheet were laminated, Cm < 2 > to 63 kgf / cm < 2 > for 5 to 7 minutes;
  • the sheet produced through the above-mentioned adhering step was subjected to heat press at a
  • a transparent sheet selected from a natural laminated film and a resin-cured sheet made of a thin plate is disposed on the opposite side of the adhesive surface of the protective sheet, and the adhesion step and the stabilization step are performed in a state in which the base sheet, the protective sheet, You can proceed.
  • biodegradable resins and paper materials are used instead of the conventional poly-based or synthetic resin materials, thereby being environmentally friendly, There is no difficulty in purchasing, and there is effect of import substitution of poly system or synthetic resin material.
  • the paper sheet impregnated and dried with a thermosetting resin, a thermoplastic resin or an environment-friendly water repellent is densified and used as a protective sheet, it is possible to perform precise printing.
  • the design of the pore and the cloisonne of the water can be freely expressed and the side waterproofing work can be omitted, and the manufacturing process is simplified.
  • the chip insertion method can be selected, so that the existing equipment can be used as it is.
  • Figs. 1 and 5 are schematic perspective views showing the structure of a card in which a paper sheet and a resin sheet of the present invention are combined, respectively.
  • FIGS. 2 and 6 are schematic perspective views showing a structure in which a transparent sheet is bonded to the card of the present invention, respectively.
  • Figs. 3 and 7 are schematic side cross-sectional views showing the arrangement of each sheet and adhesive constituting the card of the present invention, respectively.
  • Figs. 4 and 8 are schematic side cross-sectional views showing the sequence of arranging each sheet for producing the card of the present invention.
  • Fig. 1 is a schematic perspective view showing the configuration of a card 1 in which a paper sheet and a resin sheet of the present invention are combined.
  • a biodegradable resin sheet is used as the base sheet (10), and a paper sheet impregnated and dried with a thermosetting resin, a thermoplastic resin or an environmentally friendly water repellent agent is used as the protective sheet (30) (30) with an environmentally friendly adhesive (50) by a heating and pressurizing method, and a method of manufacturing the card (1).
  • the base sheet 10 uses a biodegradable resin sheet.
  • the resin sheet may be made of a biodegradable material such as thermoplastic starch (TPS), poly lactic acid (PLA), poly glycolic acid, poly caprolactone, aliphatic polyester resin , Biodegradable (biodegradable) polymers such as aliphatic biodegradable resins (PBS, PBA, PBSA, PCL), polyhydroxybutyric acid (PHB) or D- A resin or a biodegradable nanocomposite resin.
  • TPS thermoplastic starch
  • PLA poly lactic acid
  • PLA poly glycolic acid
  • poly caprolactone aliphatic polyester resin
  • Biodegradable (biodegradable) polymers such as aliphatic biodegradable resins (PBS, PBA, PBSA, PCL), polyhydroxybutyric acid (PHB) or D- A resin or a biodegradable nanocomposite resin.
  • the base sheet 10 of the present invention is preferably composed of the PLA.
  • PLA sheets have properties suitable for card production such as tensile strength, elongation, flexural modulus, and Vicat softening temperature (heat resistance) as compared with PVC sheets used as conventional card materials.
  • the base sheet 10 may be a single sheet or a combination of two or more sheets of biodegradable resin, and preferably has a thickness of 0.3 mm to 0.7 mm.
  • a protective sheet 30 is laminated on at least one of upper and lower surfaces of the base sheet 10.
  • the protective sheet 30 is formed of a thermosetting resin, a thermoplastic resin or an environmentally- Is impregnated and dried.
  • the paper sheet for forming the protective sheet 30 may be formed of paper pulp, dough pulp, a mixture of a functional material and a dispersing agent such as polyethylene oxide, a polyacrylamide (PAM) as an emulsion enhancer, a starch, .
  • a dispersing agent such as polyethylene oxide, a polyacrylamide (PAM) as an emulsion enhancer, a starch, .
  • the paper sheet is prepared by mixing 10 to 50% by weight of paper pulp, 30 to 79.95% by weight of duck pulp, 10 to 30% by weight of a functional material, a mixture of poly ethylene oxide or polyacrylamide (PAM) 0.05% by weight.
  • a mixture of polyacrylamide, starch, and vegetable gum which plays a role of preventing soil erosion and maintaining nutrients and bacteria present in the field or farm soil, can be added in an amount of 10% by weight .
  • the dough pulp constituting the above-mentioned paper sheet may be at least one selected from the group consisting of at least one material selected from among mulberry leaves, mulberry leaves, mulberry leaves, mulberry leaves, yam, jute, hemp, flax, Natural fibrous pulp may be used.
  • ceramic ILLITE can be used, and penetration into pores such as fine grooves generated on the surface of the sheet or a cross section to smooth the spaces between the fibers to increase the density of the sheet. So that the protective sheet 30 can be precisely printed.
  • any one or more of solid and liquid materials selected from among loess, elvan, tourmaline, carbon fiber, phytoncide, propolis, wood vinegar, charcoal and garlic may be used.
  • a protective sheet (30) is produced by using the above-mentioned paper sheet, it is possible to implement the design of the card in a luxurious manner by utilizing the characteristic of the paper sheet. Especially, when the paper sheet with the paper stalk is used, a unique texture and expression You can direct the stylishness of Hanji in a luxurious way.
  • the protective sheet 30 is formed by impregnating the paper sheet with a thermosetting resin, a thermoplastic resin or an environment-friendly water repellent, which is a waterproof finishing material, and is waterproofed.
  • the waterproof finishing material includes a water repellent agent of vegetable high-tex, terafin oil, lacquer, Various kinds of biodegradable materials such as TPS, PLA, polyglycolic acid, polycaprolactone, aliphatic polyester resin, natural vegetable synthetic resin such as PBS, PBA, PBSA, PCL, PHB and D- One or two or more of the thermosetting resin, the thermoplastic resin or the environment-friendly water repellent agent may be used.
  • the protective sheet 30 impregnated with a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent agent is hardened and hardened as the resin is dried as dried, and water resistance and resilience are increased, so that it is suitable for use as a card material.
  • the base sheet 10 and the protective sheet 30 are made of a biodegradable resin such as PLA, they can not be bonded only by heating and pressing. Therefore, the base sheet 10 and the protective sheet 30 are bonded using the adhesive 50.
  • the adhesive (50) is made of vegetable green material so that harmful substances are not discharged when the card is incinerated. Specifically, the adhesive 50 is applied between the base sheet 10 and the protective sheet 30, and the adhesive 50 is applied to the upper surface and the lower surface of the base sheet 10 or the protective sheet 30, Or may be laminated between the base sheet 10 and the protective sheet 30 in the form of an adhesive sheet. At this time, it is preferable that the adhesive 50 is made of an environmentally friendly material, and when the adhesive sheet is used, each layer is laminated in order and pressed together at one time.
  • the base sheet 10 biologically degradable resin sheet
  • the protective sheet 30 natural rubber sheet
  • the biodegradable natural adhesive 50 is applied to the upper and lower surfaces (adhesive surfaces) of the base sheet 10 using the biodegradable resin as the base sheet 10 and the Hanji sheet as the protective sheet 30 When combined, the trajectory of the entire card can be improved.
  • the flexural modulus is 0.93 GPa.
  • the flexural modulus of elasticity is about 2.38 GPa, .
  • the tensile strength was 47.8 MPa when the card was composed of only PLA, but the card 1 of the present invention was about 61.1 MPa.
  • the Vicat softening temperature was 114 ° C when only PLA sheet was used, but heat resistance was improved to 125.8 ° C when PLA sheet and Hanji sheet were combined to form card 1.
  • the card 1 when the card 1 is formed by combining the PLA sheet and the paper sheet, it can be confirmed that there is no abnormality in cracks or length change rate as a result of heat resistance, cold resistance, and constant temperature and humidity test results.
  • the card 1 of the present invention can prevent harmful substances from being generated from the base sheet 10 composed of PLA (biodegradable resin), the protective sheet 30 composed of Korean paper, and the natural adhesive 50 even when disposing, I never do that. Also, among the biodegradable resin sheets, if a vegetable material sheet such as a PLA sheet and a paper sheet are bonded with the natural adhesive agent 50, the binding force between the paper sheet and the biodegradable resin sheet can be increased due to the bonding between the vegetable materials.
  • PLA biodegradable resin
  • PVC card had 413 ppm of chlorine and 473 ppm of carbon monoxide when incinerated, but card (1), which is a combination of Hanji sheet and PLA sheet, contained 4 ppm of hydrogen chloride and 83 ppm of carbon monoxide Respectively, which are 1% and 17.5% of PVC cards, respectively.
  • 60 to 80% by weight of the natural resin powder and 5 to 10% by weight of 2.000 to 2.500 mesh can be selected from at least one of ganoderma, muscovite and sericite, and 10 to 20% by weight of modified starch and 5 to 10%
  • the composition is made by stirring the weight%.
  • the mixture is mixed with 5 to 20% by weight of water and baked, and then an adhesive 50 is prepared.
  • What can be used as the adhesive (50) of the present invention is a natural adhesive, including a protein-based adhesive of glue or gelatin, a starch, a carbohydrate-based adhesive, and an inorganic adhesive.
  • Protein adhesives include glue, gelatin, albumin, casein, soy protein, animal eggs, and fish glue. Especially, it is good in elasticity that it is used for manufacturing bow, traditionally manufactured by degreasing and disassembling the burea of croaker / minnow, etc., and it has the best adhesive force among natural adhesives and can give adhesive force of about 4 times of glue , Durability and water resistance.
  • Carbohydrate-based adhesives include starch-based adhesives, cellulosic adhesives, and complex polysaccharide adhesives.
  • starch-based adhesives include dextrin, acid-modified starch, oxidized starch, and starch derivatives, and cellulose acetate, cellulose acetate, viscose and the like, depending on the type of cellulose ester.
  • the complex polysaccharide adhesive it is possible to use various adhesives such as gum arabic, tragacanth gum, karaya gum, locust bean gum, guar gum, konjac mannan, alginic acid, porcelain, natural latex, natural sap (such as lacquer, Natural plant extracts such as acacia, orange trees, bamboo trees, birch trees, bamboo trees, brewers, etc.), natural plant extracts (astronomy, mangmundong, hwangjeong, Natural resin such as rosin), wood flour (wood such as pine tree, juniper tree, pine wood,
  • silicate such as sodium silicate, potassium silicate, silica sol and silicone oil
  • asphalt adhesives viscous minerals (using Ni / Na grade Bentonite, Attapulgite, Sepiolite , Red clay, clay, limestone / gypsum / borax and so on.
  • the base sheet 10 of the present invention is a biodegradable resin sheet, typically a PLA sheet.
  • PLA is produced either directly by condensation of lactic acid or indirectly from a dimer of lactic acid by ring opening polymerization, and the dimer is referred to as lactide.
  • Lactic acid is a product made by fermentation of sugar or starch, starch is obtained from corn, wheat, rye or rice, and sugar is obtained from beet, whey, molasses.
  • Condensation polymerization proceeds under high vacuum at high temperature, and a solvent is used to condense water produced by the condensation reaction for condensation polymerization.
  • the molecular weight of the PLA polymer prepared in this manner is about 10,000 to 20,000.
  • the problem with condensation polymerization from PLA is to remove moisture, since the molecular weight can vary with the amount of water.
  • condensation polymerization can be carried out using an aromatic solvent or azetropical distilled water. Increasing the number of polymer chains improves the physical properties by using methylenediphenyl diisocynate. Condensation polymerization requires a longer reaction time and a continuous withdrawal of water.
  • the PLA polymer is formed and formed into a sheet shape so as to match the thickness of the base sheet 10.
  • the protective sheet (30) of the present invention is produced by impregnating a paper sheet with a thermosetting resin, a thermoplastic resin or an environmentally friendly water repellent agent as a waterproof finish material. Specifically, 0.05 wt.% Of a mixture of polyethylene glycol or polyacrylamide (PAM) as a dispersant, 10 to 50 wt.% Of paper pulp, 30 to 79.95 wt. % Of a mixture of polyacrylamide, starch and vegetable gum in an amount of 10% by weight is poured in the form of roll paper of a long-lasting net or a net using an extruder or a press to form a sheet of paper having a desired thickness .
  • PAM polyethylene glycol or polyacrylamide
  • the impregnation method also allows the sheet to pass through between the heated continuous presses, that is, the rolling rollers, and dries them.
  • the impregnation method as described above is used, more precise impregnation work is possible, and in comparison with the impregnation of a single sheet of paper, the cost can be reduced and the convenience of work can be improved.
  • the paper sheet when preparing a paper sheet of grass paper, the paper sheet can be produced in various colors by adding a dye to the raw material mixture. In this case, there is an advantage that the side surface of the completed card 1 can be expressed in various desired colors.
  • the protective sheet 30 formed by impregnating and applying a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent to a paper sheet is denser in structure, and the sheet itself becomes rigid, the stability is increased, It can be used as a material of the card 1 like a series material.
  • the outer surface of the protective sheet 30, which is not in contact with the base sheet 10, serves as a printed surface to form the outer surface of the card 1.
  • the thermosetting resin, thermoplastic resin or environment- The surface of the sheet 30 is smoothed so that printing including silk screen printing, offset printing, solvent printing, UV printing, hologram printing, 3D printing of denticular, fluorescence, phosphorescence, And gold foil, silver foil, and the like, and it is needless to say that the card printing method using the conventional PVC material can be applied.
  • the card 1 of the present invention may further include a transparent sheet 40 on the outer surface of the protective sheet 30, and the transparent sheet 40 may be formed by laminating PLA (biodegradable resin) It is preferable to use a thin film.
  • PLA biodegradable resin
  • the durability of the card 1 is increased, and the base sheet 10 and the protective sheet 30 are simultaneously pressed and lapped together, can do.
  • the transparent sheet 40 protects the printing surface of the protection sheet 30 by using a waterproof material and improves the durability of the card 1.
  • the transparent sheet 40 is formed by curing a biodegradable resin into a thin plate in the same manner as the base sheet 10.
  • the transparent sheet 40 is heated by heat and pressure together with the base sheet 10 and the protective sheet 30
  • the card 1 is melted and permeated into the protective sheet 30 so that peeling does not occur and the card 1 becomes more rigid and scratches can be prevented.
  • the transparent sheet 40 which is a resin sheet cured with a thin film of a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent, can withstand the heating temperature and the pressure under pressure during the laminating step of the base sheet 10 and the protective sheet 30 , There is an effect that laminating can be performed by one heating and pressing operation in a state where all the sheets constituting the card 1 are laminated and arranged.
  • the durability of the card 1 can be improved by applying the natural adhesive agent 50 to the contact surfaces of the transparent sheet 40 and the protective sheet 30 in contact therewith, followed by heating and pressing.
  • a biodegradable PLA sheet can be used as the base sheet 10 and a resin-impregnated sheet such as a water repellent agent can be used as the protective sheet 30, As the transparent sheet 40 to be selectively added, a natural laminated film, a resin cured sheet (PLA film or the like) which is a thin plate can be used.
  • a resin-impregnated sheet such as a water repellent agent
  • Fig. 4 is a schematic perspective view showing a procedure for manufacturing the card 1 of the present invention.
  • a base sheet 10 which is a biodegradable PLA sheet, and a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent are impregnated with a base sheet 10,
  • a protective sheet 30 is prepared.
  • the card 1 of the present invention is manufactured by adhering a base sheet 10 as a center material and a protective sheet 30 disposed on the upper and lower surfaces of the base sheet 10 as shown in Fig. 4 (b) And the protective sheet 30 are coated with a natural adhesive agent 50, respectively.
  • white ink is applied to the opposite side of the protective sheet 30, i.e., the side opposite to the adhesive side, and printing is performed.
  • the adhesion step of heating and pressing the protective sheet 30 and the selectively disposed transparent sheet 40 is performed.
  • the adhesive 50 is not properly absorbed to the adhesive surface due to the oil of the white ink, followeded by post-application of the white ink.
  • the adhering step consists of two steps: an adhering step of heating / pressing at a high temperature and a stabilization step of heating / pressing under a low temperature condition.
  • the first adhering step is performed under the condition that the temperature is 110 ° C to 120 ° C in the hot press, and the pressurization is carried out for 5 to 7 minutes at 37 kgf / cm 2 to 43 kgf / cm 2 and 5 to 7 minutes at 47 kgf / cm 2 to 53 kgf / Minute and thirdly 57kgf / cm2 to 63kgf / cm2 for 5 to 7 minutes.
  • the pressing in three stages is intended to adjust the pressure to meet the changed thickness because the thickness of the laminated sheets becomes thinner according to the pressing process.
  • the attached sheet is moved to the cold press and the press is again pressed at a temperature of 10 to 14 ⁇ .
  • the cold press pressurization was carried out for 5 to 7 minutes at a primary pressure of 47 kgf / cm 2 to 53 kgf / cm 2, for 5 to 7 minutes at a secondary pressure of 57 kgf / cm 2 to 63 kgf / cm 2 and for 5 to 7 minutes at a tertiary pressure of 67 kgf / Thereby stabilizing the card 1.
  • the stabilization step is performed in this manner, it is possible to prevent the sheets attached by heating with the hot press from freezing and twisting.
  • a sheet made of a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent is impregnated and dried to form a tissue sheet.
  • the tissue sheet is used as a protective sheet 30 including a printed surface, and a biodegradable PLA Is used as the base sheet 10, it is possible to improve the durability and the trajectory and to manufacture the card 1 which is capable of precise printing without causing the card 1 to be deformed even in repeated use as well as waterproofness.
  • all the materials constituting the card 1 are biodegradable, it is possible to prevent the discharge of substances harmful to human bodies or the environment at the time of incineration or disposal, thereby making it possible to manufacture an environmentally friendly card 1.
  • the base sheet 10 and the protection sheet 30 of the present invention can be applied to the existing card 1 manufacturing facility, and the environmentally friendly card 1 can be manufactured without changing the equipment.
  • the card 1 of the present invention may be manufactured in a state in which the RFID tag 20 is inserted.
  • the card 1 may be provided between the base sheet 10 and the protective sheet 30
  • An RFID tag 20 is inserted and the RFID tag 20 is composed of an RFID chip 21 and an antenna loop 22.
  • an insertion groove 11 is formed in the upper surface of the base sheet 10 so that the RFID chip 21 is inserted into the base sheet 10, and the insertion groove 11 is formed in the insertion of the RFID chip 21
  • the thickness of the base sheet 10 may be minimized to correspond to the thickness of the RFID chip 21 so that the RFID chip 21 is stably protected.
  • the antenna loop 22 is disposed on one side of the base sheet 10.
  • the antenna loop 22 may be made of conductive ink.
  • the antenna loop 22 can be manufactured by depositing and etching using an ultrasonic laser and high frequency induction, which is advantageous in application to a card manufacturing facility using a conventional synthetic resin material.
  • the conventional method of inserting the RFID tag 20 by depositing and etching with a conventional ultrasonic laser or high frequency inclusion is a thermal operation.
  • an ultrasonic laser or high frequency inclusion As a result of performing the insertion test of the RFID tag 20 by the method of depositing and etching the RFID tag 20, there is no problem in applying to the existing equipment.
  • IC integrated circuit
  • the base sheet 10 may be inserted into the base sheet 10 depending on the application purpose of the card 1.
  • the card combined with the biodegradable resin sheet of the present invention and the method for producing the biodegradable resin sheet of the present invention, it is possible to produce a biodegradable card which is eco-friendly and can reduce the cost while using the existing facilities as it is.

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Abstract

The present invention relates to a card comprising a Korean paper sheet combined with a biodegradable resin sheet, and a method of manufacturing same. The card includes: a base sheet formed of a biodegradable resin hardened into a sheet shape; a protective sheet including a Korean paper sheet stacked on at least one of the top and bottom sides of the base sheet, being printable on the side thereof that does not contact the base sheet, and having at least one of a thermo hardening resin, thermo plastic resin, and biodegradable water repellent material impregnated therein and dried thereon; and a biodegradable natural adhesive applied on the adhering sides of the base sheet and the protective sheet.

Description

한지시트와 생분해성 수지시트가 결합된 카드 및 그 제조 방법Card combined with Hanji sheet and biodegradable resin sheet and manufacturing method thereof
본 발명은 한지시트와 생분해성 수지시트를 접착제를 이용하여 가열·가압함으로써 결합시킨 카드 및 그 제조 방법에 관한 것이다. The present invention relates to a card in which a paper sheet and a biodegradable resin sheet are combined by heating and pressing using an adhesive, and a method for producing the same.
일반적으로 결제 카드, 신분증 등으로 사용되는 카드는 장기간 반복 사용되고 품질의 신뢰성을 확보해야 하는 특성상 구겨지거나 찢어지지 않도록 일정한 강도와 외부 오염에 대한 저항성을 갖는 유리재 또는 폴리머 계열의 수지, 특히 고강도의 폴리카보네이트계열 소재가 주로 사용된다.Generally, cards used for payment cards and identification cards are made of a glass or polymer series resin having constant strength and resistance against external pollution so as not to be wrinkled or torn due to long-term repeated use and quality reliability, Carbonate-based materials are mainly used.
그러나 상기와 같은 종래의 유리재 또는 폴리머 계열의 수지는 대체적으로 수입재이고 종이에 비해 가격이 높아 단가 상승의 요인이 되며, 화합물인 폴리머 계열 수지는 카드 폐기 시에 거의 분해되지 않아 환경오염을 유발하는 문제가 있다.However, the above-mentioned conventional glass or polymer-based resin is generally an importing material and has a higher price than paper, which is a factor of increasing the price. The polymer-based resin as a compound is hardly decomposed at the time of card disposal, there is a problem.
최근에는 위와 같은 문제를 해결하기 위하여 PVC 이외의 다른 재료로 카드를 제작하려는 노력이 계속되고 있다. 현재, 대부분의 대체 원재료는 가격이 PVC의 절반 정도이지만, 시트로 압출 제작하고 카드로 만드는 제작과정이 일반화되어 있지 않아, 카드 제작 완성에 소요되는 비용은 PVC와 대체 원재료를 이용하는 경우가 비슷하다. 그러나, 환경 부담금과 탄소세 등의 환경적인 요인이 카드 제작 비용에 적용될 경우에는 종래에 사용되는 PVC 카드의 비용이 증가하여, 전체적인 카드 원가가 높아질 우려가 있다.In recent years, attempts have been made to manufacture cards using materials other than PVC to solve the above problems. At present, the price of most alternative raw materials is about half of PVC, but the process of making extruded sheets and making cards is not generalized, so the cost of completing the card production is similar when using PVC and alternative raw materials. However, when the environmental factors such as the environmental burden and the carbon tax are applied to the card production cost, the cost of the PVC card used conventionally increases, and the overall card cost may increase.
위와 같은 대체 원재료 중의 하나로 생분해성 수지를 시트로 하는 카드가 개발되었다. 대표적으로 사용되는 PLA(poly lactic acid)는 인장력이 떨어져 쉽게 균열이 발생하게 되고 수명이 3년 정도로 짧아, 유효기간이 5년인 신용 카드 등에 사용되기에 적합하지 않는 문제가 있다. As one of the alternative raw materials, biodegradable resin sheets have been developed. PLA (poly lactic acid), which is typically used, has a problem in that it is not suitable for use in a credit card having an effective life of 5 years because its tensile strength is low and cracking occurs easily and its life is short as 3 years.
또한, 생분해성 수지시트 이외에도 숨쉬는 종이로 알려진 한지를 시트로 이용하여 카드를 제작하려는 시도가 있었으나, 베이스시트와 보호시트의 접착을 위하여 유성 접착제를 사용하여야 하므로 여전히 환경 오염을 유발하는 문제가 있고, 별도 측면 방수 작업이 수행되어야 하므로 카드 제작 공정이 복잡해지며, 반복적인 사용으로 이형 현상이 일어날 수 있고, 투명필름시트로 사용되는 화선지의 경우 특성상 기공이 많아 정교한 인쇄가 어렵다. 특히, 측면 방수 작업으로 인하여 새로운 설비를 갖춰야하므로 생산비용이 증가하는 문제가 있다.In addition, in addition to the biodegradable resin sheet, an attempt has been made to fabricate a card using a Korean paper known as breathable paper as a sheet. However, since an oil-based adhesive must be used for bonding the base sheet and the protective sheet, The card manufacturing process becomes complicated due to the necessity of separate side waterproofing work, so that the mold release phenomenon may occur due to repetitive use, and in the case of the paper sheet used as the transparent film sheet, Particularly, there is a problem that production cost is increased due to the provision of new equipments due to the side waterproofing work.
본 발명은 상술한 문제점을 해결하기 위한 것으로서, 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침, 건조되어 고밀도화 된 한지시트와 생분해성 수지 시트를 결합시켜 탄도가 개선되고 내구성이 증가한 카드를 제작하는데 목적이 있다.Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a card with improved trajectory and increased durability by bonding a thermosetting resin, a thermoplastic resin or an environmentally- have.
특히, 일반적으로 결합이 어려운 수지시트와 한지시트를 친환경 접착제와 가열 및 가압 방식을 이용하여 접착시킴으로써 하나의 카드로 제작하는데 목적이 있다.Particularly, it is an object of the present invention to manufacture a single card by bonding a resin sheet and a paper sheet which are generally difficult to bond to each other using an eco-friendly adhesive by using a heating and pressurizing method.
또한, 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 한지를 이용하여 카드를 제작함에 있어서, 별도의 측면 방수작업을 생략함으로써 제작 공정을 단순화하는데 목적이 있다.Further, in manufacturing a card using a paper sheet impregnated with a thermosetting resin, a thermoplastic resin, or an environmentally-friendly water repellent agent, an object of the present invention is to simplify the manufacturing process by omitting a separate side waterproofing operation.
이밖에도, 한지시트를 이용함에 있어서, 내열성을 증가시켜 칩 삽입 등의 공정에서 기존 설비를 그대로 적용할 수 있는 카드를 제작하는데 목적이 있다.In addition, in using Hanji sheet, it is aimed to manufacture a card which can increase the heat resistance and apply the existing equipments in the process such as chip insertion.
또한, 카드의 모든 구성을 식물에서 얻어진 생분해성 원료를 사용하여 매립 후에는 완전 분해되고 소각시키는 경우에도 완전 소각되어 유해 물질이 나오지 않도록 하여 폐기에 따른 환경오염을 유발하지 않는 친환경적인 카드를 제작하는데 목적이 있다.In addition, when all the card's constitution is completely decomposed and incinerated after being buried by using biodegradable raw material obtained from plants, it is burned completely to prevent harmful substances from coming out, thereby producing environmentally friendly cards that do not cause environmental pollution due to disposal There is a purpose.
위와 같은 목적을 달성하기 위하여, 본 발명에서는 생분해성 수지가 경화되어 시트 형상으로 형성된 베이스시트; 상기 베이스시트의 상·하면 중 어느 하나 이상의 면에 적층되며 상기 베이스시트와 접촉하지 않는 면에 인쇄가 가능한 한지시트로서, 상기 한지시트에 열경화성 수지, 열가소성 수지, 생분해성 발수제 중 어느 하나 이상을 함침·건조하여 형성된 보호시트; 상기 베이스시트와 상기 보호시트의 접착면에 도포되는 생분해성 천연 접착제;를 포함하는 한지시트와 생분해성 수지시트가 결합된 카드를 제공한다.In order to accomplish the above object, the present invention provides a base sheet comprising a biodegradable resin cured to form a sheet; A base paper sheet laminated on at least one of upper and lower surfaces of the base sheet and capable of printing on a surface not in contact with the base sheet, wherein the base paper sheet is impregnated with at least one of a thermosetting resin, a thermoplastic resin and a biodegradable water- A protective sheet formed by drying; And a biodegradable natural adhesive applied to the adhesion surface of the base sheet and the protective sheet. The card is combined with the biodegradable resin sheet.
이때, 베이스시트는 생분해성 수지인 TPS(thermo plastic starch), 폴리락트산(PLA; poly lactic acid), 폴리글리콜산(poly glycolic acid), 폴리카프로락톤(poly caprolactone), 지방족 폴리에스테르계 수지, 지방족 생분해성 수지(PBS, PBA, PBSA, PCL), 폴리히드록시부틸산(poly hydroxy butyric acid, PHB), D-3-히드록시 부틸산(D-3-hydroxy butyric acid) 또는 생분해성 나노복합수지 중에 하나 이상을 선택하여 경화시킨 것으로 한다.At this time, the base sheet may be a biodegradable resin such as thermoplastic starch (TPS), poly lactic acid (PLA), poly glycolic acid, poly caprolactone, aliphatic polyester resin, aliphatic A biodegradable resin (PBS, PBA, PBSA, PCL), polyhydroxy butyric acid (PHB), D-3-hydroxy butyric acid or biodegradable nanocomposite , And then curing it.
보호시트를 형성하는 한지시트는 종이펄프, 닥펄프, 세라믹 일라이트와 분산제인 폴리에틸렌옥사이드(poly ethylene oxide) 혼합물, 지력증강제인 폴리아크릴아미드(polyacrylamide, PAM), 전분, 식물성검류가 혼합된 원료 혼합물로 구성한다.The Hanji sheet for forming the protective sheet is prepared by mixing paper pulp, dough pulp, a mixture of ceramic ilite and a poly ethylene oxide mixture as a dispersant, polyacrylamide (PAM) as an emulsion enhancer, starch and vegetable gums .
본 발명의 보호시트는 상기 한지시트에 방수 마감재인 열경화성 수지, 열가소성 수지 또는 생분해성 발수제 중 어느 하나 이상을 함침시켜 방수 처리한 것으로, 상기 방수 마감재로는 식물성 고아텍스의 발수제, 테라핀유와 옻칠, 들기름, 전분을 이용한 생분해성 소재인 TPS, PLA, 폴리글리콜산, 폴리카프로락톤, 지방족 폴리에스테르계 수지, PBS, PBA, PBSA, PCL, PHB 및 D-3-히드록시 부틸산중에 선택된 어느 하나 또는 두 개 이상을 사용한다.The protective sheet of the present invention is formed by impregnating the above-mentioned paper sheet with a waterproof finishing material such as a thermosetting resin, a thermoplastic resin or a biodegradable water repellent agent. The waterproof finishing material includes a water repellent of vegetable high-tex, A polymer selected from among TPS, PLA, polyglycolic acid, polycaprolactone, aliphatic polyester resin, PBS, PBA, PBSA, PCL, PHB and D-3-hydroxybutyl acid, which are biodegradable materials using starch Use more than one.
또한, 본 발명의 천연 접착제는 천연수지 분말 60~80중량%; 2.000~2.500 메쉬의 귀양석 5~10중량%; 변성전분 10~20중량%; 천연 실리콘 접착제 5~10중량%; 물 5~20중량%;를 포함한다.Also, the natural adhesive of the present invention comprises 60 to 80% by weight of a natural resin powder; 5 to 10% by weight of a 2.000 to 2.500 mesh gneiss; 10 to 20% by weight of modified starch; 5 to 10% by weight of natural silicone adhesive; And 5 to 20% by weight of water.
또한, RFID 칩과 안테나 루프를 포함하는 RFID 태그;가 더 구비되고, 상기 베이스시트의 일면에는 삽입홈이 형성되어 있어, 상기 베이스시트의 삽입홈에 상기 RFID 칩이 삽입되고, 상기 베이스시트의 일면에 상기 안테나 루프가 배치되도록 한다.The RFID tag further includes an RFID tag including an RFID chip and an antenna loop. An insertion groove is formed on one surface of the base sheet, the RFID chip is inserted into the insertion groove of the base sheet, So that the antenna loop is disposed.
이밖에도, 베이스시트와 접하지 않는 상기 보호시트의 일면에는 천연 라미네이트 필름, 박판으로 만든 수지경화시트 중에서 선택된 투명시트를 배치한다.In addition, a transparent sheet selected from a natural laminated film or a resin-cured sheet made of a thin plate is disposed on one side of the protective sheet not in contact with the base sheet.
또한, 본 발명에서는 베이스시트로 생분해성 수지시트와, 보호시트로 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 한지시트를 준비하는 단계; 상기 보호시트의 접착면 반대면에 인쇄하는 단계; 상기 베이스시트와 보호시트의 접착면에 각각 천연 접착제를 도포하여 상기 보호시트를 상기 베이스시트의 상·하면 중 어느 한 면 이상에 배치하는 단계; 상기 베이스시트와 보호시트를 적층한 상태에서 열 프레스 온도를 110℃∼120℃로, 37kgf/㎠∼43kgf/㎠에서 5∼7분, 47kgf/㎠∼53kgf/㎠에서 5∼7분, 57kgf/㎠∼63kgf/㎠에서 5∼7분간 순차적으로 가압하는 부착 단계; 상기 부착 단계를 거쳐 제작된 시트를 냉 프레스 온도 10℃∼14℃로, 47kgf/㎠∼53kgf/㎠에서 5∼7분, 57kgf/㎠∼63kgf/㎠에서 5∼7분, 67kgf/㎠∼73kgf/㎠에서 5∼7분간 순차적으로 가압하는 안정화 단계;를 거쳐 카드를 제작하는 한지시트와 생분해성 수지시트를 결합한 카드의 제작방법을 제공한다.According to the present invention, there is also provided a method of manufacturing a biodegradable resin sheet, comprising the steps of: preparing a biodegradable resin sheet as a base sheet and a Hanji sheet impregnated with a thermosetting resin, a thermoplastic resin or an environmentally- Printing on the opposite side of the adhesive surface of the protective sheet; Applying a natural adhesive to the bonding surfaces of the base sheet and the protective sheet to dispose the protective sheet on at least one of upper and lower surfaces of the base sheet; The heat press temperature was 110 to 120 ° C for 5 to 7 minutes at 37 to 73 kgf / cm 2 for 5 to 7 minutes at a pressure of 47 kgf / cm 2 to 53 kgf / cm 2 in a state where the base sheet and the protective sheet were laminated, Cm < 2 > to 63 kgf / cm < 2 > for 5 to 7 minutes; The sheet produced through the above-mentioned adhering step was subjected to heat press at a cold press temperature of 10 to 14 占 폚 for 5 to 7 minutes at 47 kgf / cm2 to 53 kgf / cm2 for 5 to 7 minutes at 57 kgf / cm2 to 63 kgf / / Cm < 2 > for 5 to 7 minutes in order to provide a method of manufacturing a card that combines a cardboard sheet and a biodegradable resin sheet.
이때, 상기 베이스시트와 보호시트의 접착면에 각각 천연 접착제를 먼저 도포하고, 보호시트 접착면의 반대면에 백색잉크를 도포한 후 인쇄하는 것도 가능하다.At this time, it is also possible to apply a natural adhesive first to the adhesion surface of the base sheet and the protective sheet, and to print after applying the white ink to the opposite surface of the protective sheet adhesion surface.
이밖에도, 상기 보호시트의 접착면 반대면에는 천연 라미네이트 필름, 박판으로 만든 수지경화시트 중에서 선택된 투명시트를 배치하고, 상기 베이스시트, 보호시트, 투명시트를 적층한 상태에서 상기 부착 단계와 안정화 단계를 진행하도록 할 수 있다.In addition, a transparent sheet selected from a natural laminated film and a resin-cured sheet made of a thin plate is disposed on the opposite side of the adhesive surface of the protective sheet, and the adhesion step and the stabilization step are performed in a state in which the base sheet, the protective sheet, You can proceed.
본 발명의 한지시트와 생분해성 수지시트가 결합된 카드 및 그 제작 방법에 의하면, 기존의 폴리계 또는 합성수지재 대신 생분해가 가능한 수지와 종이재인 한지를 사용함으로써 친환경적이고, 제조원가를 현저히 낮출 수 있으며 원재료 구입에도 어려움이 없고 폴리계 또는 합성수지재의 수입대체 효과가 있다.According to the card combined with the biodegradable resin sheet of the present invention and the method of producing the biodegradable resin sheet of the present invention, biodegradable resins and paper materials are used instead of the conventional poly-based or synthetic resin materials, thereby being environmentally friendly, There is no difficulty in purchasing, and there is effect of import substitution of poly system or synthetic resin material.
또한, 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침, 건조 된 한지시트가 고밀도화 되어 있어 이를 보호 시트로 사용함으로써, 정교한 인쇄가 가능하고, 인쇄 무늬 위에 여러 가지 문양 표현에 있어 자개나 옻칠 안료, 금은의 세공 및 칠보 등의 디자인 표현이 자유로우며 측면 방수 작업을 생략할 수 있어 제작 공정이 단순해진다.In addition, since the paper sheet impregnated and dried with a thermosetting resin, a thermoplastic resin or an environment-friendly water repellent is densified and used as a protective sheet, it is possible to perform precise printing. In addition, The design of the pore and the cloisonne of the water can be freely expressed and the side waterproofing work can be omitted, and the manufacturing process is simplified.
이밖에도, 카드의 내열성이 강해 칩 삽입 방식을 선택할 수 있으므로, 기존 설비를 그대로 사용할 수 있는 장점이 있다.In addition, since the heat resistance of the card is strong, the chip insertion method can be selected, so that the existing equipment can be used as it is.
또한, 섬유성 펄프 및 친환경적인 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 한지시트와 생분해가 가능한 수지시트, 친환경 재료인 접착제를 사용함으로써, 모든 제작 과정의 원재료가 생분해 가능하므로 카드의 사용 후 매립 시에 완전 분해되고, 소각 시에는 완전 소각되어 유해 물질이 나오지 않아, 폐기 시에 환경오염을 유발하지 않는 장점이 있다. In addition, by using a paper sheet impregnated with fibrous pulp, an environmentally friendly thermosetting resin, a thermoplastic resin or an environmentally friendly water repellent agent, a biodegradable resin sheet, and an adhesive which is an environmentally friendly material, raw materials in all manufacturing processes can be biodegraded. It is completely decomposed at the time of incineration and completely incinerated at the time of incineration so that harmful substances do not come out and there is an advantage that no environmental pollution is caused at the time of disposal.
도 1 및 도 5는 각각 본 발명의 한지시트와 수지시트가 결합된 카드의 구성을 보여주는 개략적인 사시도이다.Figs. 1 and 5 are schematic perspective views showing the structure of a card in which a paper sheet and a resin sheet of the present invention are combined, respectively.
도 2 및 도 6은 각각 본 발명의 카드에 투명시트가 결합되는 구조는 보여주는 개략적인 사시도이다.FIGS. 2 and 6 are schematic perspective views showing a structure in which a transparent sheet is bonded to the card of the present invention, respectively.
도 3 및 도 7은 각각 본 발명의 카드를 구성하는 각 시트 및 접착제의 배치를 보여주는 개략적인 측단면도이다.Figs. 3 and 7 are schematic side cross-sectional views showing the arrangement of each sheet and adhesive constituting the card of the present invention, respectively.
도 4 및 도 8은 각각 본 발명의 카드를 제작하기 위하여 각 시트를 배치하는 순서를 보여주는 개략적인 측단면도이다.Figs. 4 and 8 are schematic side cross-sectional views showing the sequence of arranging each sheet for producing the card of the present invention. Fig.
이하 첨부된 도면을 참조하면서 본 발명에 따른 바람직한 실시 예를 상세히 설명하기로 한다. 이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여, 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.
따라서, 본 명세서에 기재된 실시 예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시 예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다.Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.
도 1에는 본 발명의 한지시트와 수지시트가 결합된 카드(1)의 구성을 보여주는 개략적인 사시도가 도시되어 있다.Fig. 1 is a schematic perspective view showing the configuration of a card 1 in which a paper sheet and a resin sheet of the present invention are combined.
본 발명은 생분해성 수지시트를 베이스시트(10)로 사용하고, 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침, 건조된 한지시트를 보호시트(30)로 사용하며, 베이스시트(10)와 보호시트(30)를 친환경 접착제(50)를 이용하여 가열, 가압 방식으로 결합시킨 카드(1) 및 그 제작방법에 관한 것이다.In the present invention, a biodegradable resin sheet is used as the base sheet (10), and a paper sheet impregnated and dried with a thermosetting resin, a thermoplastic resin or an environmentally friendly water repellent agent is used as the protective sheet (30) (30) with an environmentally friendly adhesive (50) by a heating and pressurizing method, and a method of manufacturing the card (1).
본 발명의 카드(1)를 구성하는 시트 중, 베이스시트(10)는 생분해가 가능한 수지시트를 사용한다. 상기 수지시트는 전분을 이용한 생분해성 소재인 TPS(thermo plastic starch), 폴리락트산(PLA; poly lactic acid), 폴리글리콜산(poly glycolic acid), 폴리카프로락톤(poly caprolactone), 지방족 폴리에스테르계 수지, 지방족 생분해성 수지(PBS, PBA, PBSA, PCL), 폴리히드록시부틸산(poly hydroxy butyric acid, PHB) 또는 D-3-히드록시 부틸산(D-3-hydroxy butyric acid) 등의 생분해성 수지 또는 생분해성 나노복합수지 중에 선택된 1종 또는 2종 이상의 혼합물로 구성된다. 상기 수지들 중, PLA는 생분해성 소재로서, 식물에서 추출한 당분을 발효시켜 만들 수 있는데, 현재 카드로 사용할 수 있는 원재료 중 가장 비용이 저렴하여 대중적이고 보편적으로 사용되고 있다. 상기 PLA 수지 등의 생분해성 수지는 폐기 시 다이옥신 등의 환경 호르몬을 방출하지 않으므로, 본 발명의 베이스시트(10)는 상기 PLA로 구성하는 것이 바람직하다. Of the sheets constituting the card 1 of the present invention, the base sheet 10 uses a biodegradable resin sheet. The resin sheet may be made of a biodegradable material such as thermoplastic starch (TPS), poly lactic acid (PLA), poly glycolic acid, poly caprolactone, aliphatic polyester resin , Biodegradable (biodegradable) polymers such as aliphatic biodegradable resins (PBS, PBA, PBSA, PCL), polyhydroxybutyric acid (PHB) or D- A resin or a biodegradable nanocomposite resin. Of these resins, PLA is a biodegradable material, which can be made by fermenting sugar extracted from plants. Currently, PLA is the most costly raw material that can be used as a card, and is popularly and universally used. Since the biodegradable resin such as the PLA resin does not release environmental hormones such as dioxin at the time of disposal, the base sheet 10 of the present invention is preferably composed of the PLA.
PLA시트는 종래 카드의 소재로 사용되는 PVC시트와 비교하여 아래 표에서 보듯이 인장강도, 신장률, 굴곡탄성율, 비카트연화온도(내열성) 등 카드 제작에 적합한 물성을 갖는다.PLA sheets have properties suitable for card production such as tensile strength, elongation, flexural modulus, and Vicat softening temperature (heat resistance) as compared with PVC sheets used as conventional card materials.
표 1
구분 인장강도(MPa) 신장률(%) 굴곡탄성율(MPa) 비카트연화온도(℃)
PVC 44.7 81 74.1 100
PLA 47.8 2.0×10² 93.3 114
Table 1
division Tensile Strength (MPa) Elongation (%) Flexural modulus (MPa) Vicat softening temperature (캜)
PVC 44.7 81 74.1 100
PLA 47.8 2.0 × 10² 93.3 114
상기 베이스시트(10)는 단일 시트 또는 두 장 이상의 생분해성 수지시트가 결합된 상태로 구성될 수 있으며 0.3mm~0.7mm 두께를 갖는 것이 바람직하다.The base sheet 10 may be a single sheet or a combination of two or more sheets of biodegradable resin, and preferably has a thickness of 0.3 mm to 0.7 mm.
도 1에 도시된 바와 같이, 상기 베이스시트(10)의 상·하면 중 어느 일면 이상에는 보호시트(30)가 적층되는데, 본 발명은 상기 보호시트(30)로 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침, 건조된 한지시트를 사용한다. 상기 보호시트(30)를 형성하는 한지시트는 종이펄프, 닥펄프, 기능성 물질과 분산제인 폴리에틸렌옥사이드(poly ethylene oxide) 혼합물, 지력증강제인 폴리아크릴아미드(polyacrylamide, PAM), 전분, 식물성검류 혼합물을 포함한다. 1, a protective sheet 30 is laminated on at least one of upper and lower surfaces of the base sheet 10. The protective sheet 30 is formed of a thermosetting resin, a thermoplastic resin or an environmentally- Is impregnated and dried. The paper sheet for forming the protective sheet 30 may be formed of paper pulp, dough pulp, a mixture of a functional material and a dispersing agent such as polyethylene oxide, a polyacrylamide (PAM) as an emulsion enhancer, a starch, .
구체적으로 상기 한지시트는 종이펄프 10~50중량%, 닥펄프 30~79.95중량%, 기능성 물질 10~30중량%, 분산제인 폴리에틸렌옥사이드(poly ethylene oxide) 또는 폴리아크릴아미드(polyacrylamide, PAM)의 혼합물 0.05중량%를 포함한다. 또한, 한지의 강도를 높이기 위하여 토양의 침식 방지 및 밭이나 농장 토양에 존재하는 영양분과 세균을 유지시켜 주는 역할을 하는 폴리아크릴아미드, 전분, 식물성검류의 혼합물을 10중량% 내에서 추가할 수 있다.Specifically, the paper sheet is prepared by mixing 10 to 50% by weight of paper pulp, 30 to 79.95% by weight of duck pulp, 10 to 30% by weight of a functional material, a mixture of poly ethylene oxide or polyacrylamide (PAM) 0.05% by weight. In order to increase the strength of Korean paper, a mixture of polyacrylamide, starch, and vegetable gum, which plays a role of preventing soil erosion and maintaining nutrients and bacteria present in the field or farm soil, can be added in an amount of 10% by weight .
상기 한지시트를 구성하는 닥펄프로는 닥나무, 삼지닥나무, 산닥나무, 뽕나무, 양마, 황마, 대마, 아마, 모시풀, 어저귀, 마닐라삼, 뉴질랜드삼, 사이잘삼, 부용 중에서 선택한 어느 하나 이상의 재료로 얻어진 천연섬유성 펄프가 이용될 수 있다. The dough pulp constituting the above-mentioned paper sheet may be at least one selected from the group consisting of at least one material selected from among mulberry leaves, mulberry leaves, mulberry leaves, mulberry leaves, yam, jute, hemp, flax, Natural fibrous pulp may be used.
상기 분산제와 함께 사용되는 기능성 물질로는 대표적으로 세라믹 일라이트가 사용될 수 있으며, 한지시트면 또는 단면에 발생된 미세한 홈과 같은 기공에 침투하여 섬유 사이를 매끄럽게 해주어 시트의 밀도를 높이게 되므로, 후술하는 바와 같이 일반적인 한지와 달리 보호시트(30)에 정교한 인쇄가 가능하게 한다. As the functional material to be used together with the dispersant, ceramic ILLITE can be used, and penetration into pores such as fine grooves generated on the surface of the sheet or a cross section to smooth the spaces between the fibers to increase the density of the sheet. So that the protective sheet 30 can be precisely printed.
그 밖에도 기능성 물질로서 황토, 맥반석, 토르말린, 탄소섬유, 피톤치드, 프로폴리스, 목초액, 숯, 마늘 중에서 선택한 고상, 액상 중 어느 하나 이상의 물질이 사용될 수 있다.In addition, as the functional material, any one or more of solid and liquid materials selected from among loess, elvan, tourmaline, carbon fiber, phytoncide, propolis, wood vinegar, charcoal and garlic may be used.
위와 같은 한지시트를 이용하여 보호시트(30)를 제작할 경우 한지의 멋을 살려 카드의 디자인을 고급스럽게 구현할 수 있으며, 특히 닥줄기가 있는 한지시트를 사용하면 일반 도료로는 구현할 수 없는 독특한 질감과 표현으로 한지의 멋을 고급스럽게 연출할 수 있다. When a protective sheet (30) is produced by using the above-mentioned paper sheet, it is possible to implement the design of the card in a luxurious manner by utilizing the characteristic of the paper sheet. Especially, when the paper sheet with the paper stalk is used, a unique texture and expression You can direct the stylishness of Hanji in a luxurious way.
상기 보호시트(30)는 상기 한지시트에 방수 마감재인 열경화성 수지, 열가소성 수지 또는 친환경 발수제를 함침시켜 방수 처리한 것으로, 상기 방수 마감재로는 식물성 고아텍스의 발수제, 테라핀유와 옻칠, 들기름 또는 전분을 이용한 생분해성 소재인 TPS, PLA, 폴리글리콜산, 폴리카프로락톤, 지방족 폴리에스테르계 수지, PBS, PBA, PBSA, PCL, PHB, D-3-히드록시 부틸산 등의 천연식물성 합성수지와 같은 여러 종류의 열경화성 수지, 열가소성 수지 또는 친환경 발수제 중에 어느 하나 또는 두 개 이상이 사용될 수 있다. 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 보호시트(30)는 건조되면서 수지의 경화가 진행되어 견고해지며, 방수성과 복원성이 증가되어, 카드의 소재로 사용되기 적합하다. The protective sheet 30 is formed by impregnating the paper sheet with a thermosetting resin, a thermoplastic resin or an environment-friendly water repellent, which is a waterproof finishing material, and is waterproofed. The waterproof finishing material includes a water repellent agent of vegetable high-tex, terafin oil, lacquer, Various kinds of biodegradable materials such as TPS, PLA, polyglycolic acid, polycaprolactone, aliphatic polyester resin, natural vegetable synthetic resin such as PBS, PBA, PBSA, PCL, PHB and D- One or two or more of the thermosetting resin, the thermoplastic resin or the environment-friendly water repellent agent may be used. The protective sheet 30 impregnated with a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent agent is hardened and hardened as the resin is dried as dried, and water resistance and resilience are increased, so that it is suitable for use as a card material.
상기 베이스시트(10)와 보호시트(30)는 각각 PLA와 같은 생분해성 수지와 한지로 구성되어 있어, 가열·가압 방식만으로는 결합이 불가능하므로, 접착제(50)를 사용하여 결합시킨다. 이때, 상기 접착제(50)는 식물성 친환경 소재로 이루어져, 카드의 소각 시 유해 물질이 배출되지 않도록 한다. 구체적으로, 상기 베이스시트(10)와 보호시트(30) 사이에는 접착제(50)가 도포되는데, 상기 접착제(50)는 베이스시트(10)나 보호시트(30)의 상·하면 즉, 접착면에 도포될 수도 있고, 접착시트 형상으로 베이스시트(10)와 보호시트(30) 사이에 적층될 수도 있다. 이때, 상기 접착제(50)는 환경 친화적인 물질로 이루어진 것이 바람직하며, 접착시트를 사용할 경우에는 각 층을 순서대로 적층하고, 한 번에 가압하여 합지할 수 있는 장점이 있다.Since the base sheet 10 and the protective sheet 30 are made of a biodegradable resin such as PLA, they can not be bonded only by heating and pressing. Therefore, the base sheet 10 and the protective sheet 30 are bonded using the adhesive 50. At this time, the adhesive (50) is made of vegetable green material so that harmful substances are not discharged when the card is incinerated. Specifically, the adhesive 50 is applied between the base sheet 10 and the protective sheet 30, and the adhesive 50 is applied to the upper surface and the lower surface of the base sheet 10 or the protective sheet 30, Or may be laminated between the base sheet 10 and the protective sheet 30 in the form of an adhesive sheet. At this time, it is preferable that the adhesive 50 is made of an environmentally friendly material, and when the adhesive sheet is used, each layer is laminated in order and pressed together at one time.
기존의 유성 접착제의 경우 제조 및 소각 시 환경적인 측면에서 오염을 유발할 뿐 아니라 유독한 가스가 배출되어 인체에 유해한 문제가 있으므로 본 발명에서는 상기 베이스시트(10)(생분해성 수지시트)와 보호시트(30)(한지시트)를 합지하기 위하여 천연 접착제(50)를 사용한다. In the case of conventional oil-based adhesives, since contamination is caused in environmental aspects when manufacturing and burning, toxic gases are discharged and harmful to human body. Therefore, in the present invention, the base sheet 10 (biodegradable resin sheet) and the protective sheet 30 (natural rubber sheet) is used.
상술한 바와 같이 생분해성 수지를 베이스시트(10)로 하고, 한지시트를 보호시트(30)로 하여 상기 베이스시트(10)의 상·하면(접착면)에 생분해성 천연 접착제(50)를 사용해 결합시키면, 전체 카드의 탄도를 개선할 수 있다. The biodegradable natural adhesive 50 is applied to the upper and lower surfaces (adhesive surfaces) of the base sheet 10 using the biodegradable resin as the base sheet 10 and the Hanji sheet as the protective sheet 30 When combined, the trajectory of the entire card can be improved.
아래에는 PVC카드, PLA카드와 본 발명의 카드(1)의 물성을 비교한 표가 기재되어 있다. 일반적으로 PLA시트만으로 카드를 구성할 경우에는 굴곡탄성률이 0.93GPa이지만, 본 발명과 같이 PLA시트와 한지시트를 결합하여 카드(1)를 구성할 경우에는 굴곡탄성률이 2.38GPa정도로 나타나 탄성률 개선 효과가 있음을 확인할 수 있다. 인장강도 또한 PLA만으로 카드를 구성할 경우 47.8MPa이지만, 본 발명의 카드(1)는 61.1MPa정도로 나타났다. 비카트연화온도도 PLA시트만 사용할 경우 114℃였으나, PLA시트와 한지시트를 결합하여 카드(1)를 구성할 경우 125.8℃로 내열성이 개선되었다.Below, a table comparing the physical properties of the PVC card, the PLA card and the card 1 of the present invention is shown. Generally, when the card is composed of only the PLA sheet, the flexural modulus is 0.93 GPa. However, when the card 1 is formed by combining the PLA sheet and the paper sheet as in the present invention, the flexural modulus of elasticity is about 2.38 GPa, . The tensile strength was 47.8 MPa when the card was composed of only PLA, but the card 1 of the present invention was about 61.1 MPa. The Vicat softening temperature was 114 ° C when only PLA sheet was used, but heat resistance was improved to 125.8 ° C when PLA sheet and Hanji sheet were combined to form card 1.
이밖에도, PLA시트와 한지시트를 결합하여 카드(1)를 구성할 경우 내열, 내한, 항온항습시험결과 역시 균열유무나 길이 변화률에 이상이 없음을 확인할 수 있다.In addition, when the card 1 is formed by combining the PLA sheet and the paper sheet, it can be confirmed that there is no abnormality in cracks or length change rate as a result of heat resistance, cold resistance, and constant temperature and humidity test results.
표 2
구분 PVC카드 PLA카드 한지시트+PLA시트
두께(mm) 0.8 0.8 0.8
인장강도(MPa) 44.7 47.8 61.1
절단점에서의 신장률(%) 81 2.0 6.4
굴곡탄성률(GPa) 0.74 0.93 2.38
비카트연화온도(℃) 100 114 125.8
내열시험(50℃×1h) 길이변화율 0.01 -0.14 이상 없음
나비변화율 -0.02 -0.11 이상 없음
내한시험(-35℃×1h) 길이변화율 0.02 0.01 이상 없음
나비변화율 0.02 0.19 이상 없음
항온항습시험(50℃,95%,1h) 길이변화율 0.04 -0.20 이상 없음
나비변화율 0.02 -0.15 이상 없음
Table 2
division PVC card PLA card Hanji sheet + PLA sheet
Thickness (mm) 0.8 0.8 0.8
Tensile Strength (MPa) 44.7 47.8 61.1
Elongation at break point (%) 81 2.0 6.4
Flexural modulus (GPa) 0.74 0.93 2.38
Vicat softening temperature (캜) 100 114 125.8
Heat resistance test (50 ℃ × 1h) Length change rate 0.01 -0.14 clear
Butterfly change rate -0.02 -0.11 clear
Cold test (-35 ℃ × 1h) Length change rate 0.02 0.01 clear
Butterfly change rate 0.02 0.19 clear
Constant temperature and humidity test (50 ° C, 95%, 1h) Length change rate 0.04 -0.20 clear
Butterfly change rate 0.02 -0.15 clear
본 발명의 카드(1)는 사용 후 소각 등의 폐기 시에도 PLA(생분해성 수지)로 구성된 베이스시트(10), 한지로 구성된 보호시트(30), 천연 접착제(50)로부터는 유해 물질이 발생하지 않는다. 또한, 생분해성 수지시트 중에서도 PLA시트와 같은 식물성 소재시트와 한지시트를 상기 천연 접착제(50)로 결합시키면, 식물성 소재 사이의 결합으로 인해 한지시트와 생분해성 수지시트의 결합력을 높일 수 있다.The card 1 of the present invention can prevent harmful substances from being generated from the base sheet 10 composed of PLA (biodegradable resin), the protective sheet 30 composed of Korean paper, and the natural adhesive 50 even when disposing, I never do that. Also, among the biodegradable resin sheets, if a vegetable material sheet such as a PLA sheet and a paper sheet are bonded with the natural adhesive agent 50, the binding force between the paper sheet and the biodegradable resin sheet can be increased due to the bonding between the vegetable materials.
한편, 본 발명의 카드(1)는 종전의 PVC 카드에 비하여 소각시 염화수소(HCl), 일산화탄소(CO) 등의 유해 가스 발생률이 현저히 감소한다. On the other hand, the incidence of noxious gases such as hydrogen chloride (HCl) and carbon monoxide (CO) in incineration is significantly reduced in the card 1 of the present invention compared with the conventional PVC card.
표 3
구분 염화수소(HCl, ppm) 일산화탄소(CO, ppm)
PVC 413 473
한지+PLA 4 83
Table 3
division Hydrogen chloride (HCl, ppm) Carbon monoxide (CO, ppm)
PVC 413 473
Hanji + PLA 4 83
구체적으로 한국건설시험연구소의 시험 결과, 위 표와 같이, 소각 시 PVC 카드는 염화수소가 413ppm, 일산화탄소가 473ppm 검출되었으나, 한지시트와 PLA시트가 결합된 카드(1)는 염화수소가 4ppm, 일산화탄소가 83ppm 검출되어 각각 PVC 카드의 1%, 17.5% 수준이다.Specifically, as shown in the above table, PVC card had 413 ppm of chlorine and 473 ppm of carbon monoxide when incinerated, but card (1), which is a combination of Hanji sheet and PLA sheet, contained 4 ppm of hydrogen chloride and 83 ppm of carbon monoxide Respectively, which are 1% and 17.5% of PVC cards, respectively.
본 발명에서는 천연수지 분말 60~80중량%와 2.000~2.500 메쉬의 5~10중량%귀양석, 백운모, 견운모 중 하나 이상을 택할 수 있으며, 변성전분 10~20중량%와 천연 실리콘 접착제 5~10중량%를 교반하여 조성물을 만든다. 이를 다시 물 5~20중량%와 혼합하여 소성한 후 접착제(50)를 만들어 사용한다. In the present invention, 60 to 80% by weight of the natural resin powder and 5 to 10% by weight of 2.000 to 2.500 mesh can be selected from at least one of ganoderma, muscovite and sericite, and 10 to 20% by weight of modified starch and 5 to 10% The composition is made by stirring the weight%. The mixture is mixed with 5 to 20% by weight of water and baked, and then an adhesive 50 is prepared.
접착제(50) 도포 후에는 상기 보호시트(30)의 인쇄면, 즉 접착면의 반대 면에 인쇄를 실시한 후, 상기 베이스시트(10), 보호시트(30)를 가열·가압하는 접착단계를 진행한다. After the application of the adhesive agent 50, printing is performed on the printing surface of the protective sheet 30, that is, the opposite surface of the adhesive surface, and then an adhesion step of heating and pressing the base sheet 10 and the protective sheet 30 is performed do.
본 발명의 접착제(50)로 사용될 수 있는 것은 천연 접착제로서, 아교나 젤라틴의 단백질계 접착제, 전분, 셀루로오스계의 탄수화물계 접착제, 무기계 접착제를 포함한다. 또한 목분(소나무, 향나무, 잣나무, 육송, 백송 등 목제류의 목분을 칭함) 또는 건조된 잎의분, 왕겨분, 녹차분, 볏짚, 쑥분, 건초분, 건수초분, 숯분(참숯, 야자숯, 대나무숯 등의 숯분을 칭함), 건조된 허브식물류, 커피분 등의 천연소재와 천연수지류인 송진, 느릅 나무 뿌리 분말, 전분(옥수수, 고구마, 감자, 찹쌀가루 등을 이용한 전분), 항촉규점액, 밀크카세인, 해초의 점액, 밀랍, 기린갈 등의 접착제를 포함한다.What can be used as the adhesive (50) of the present invention is a natural adhesive, including a protein-based adhesive of glue or gelatin, a starch, a carbohydrate-based adhesive, and an inorganic adhesive. In addition, wood flour, rice husk powder, green tea flour, rice straw, wormwood, hay powder, rice flour, charcoal powder, charcoal powder (charcoal, palm charcoal, (Corn, potatoes, potatoes, glutinous rice flour, etc.), anti-irritants (such as bamboo charcoal), dried natural herbs such as herbal plants and coffee beans and natural resins such as rice gruel, elm root powder, Mucilage, milk casein, mucilage of seaweed, beeswax, and giraffe.
단백질계 접착제로는 아교, 젤라틴, 알부민, 카세인, 대두단백, 동물의 알, 어교(Fish Glue) 등이 있다. 특히 어교 중에서는 민어/황어 등의 부레를 탈지 가공하여 분해하여 제조한 것이 전통적으로 활을 제조하는데 사용하였을 정도로 탄력이 좋고, 천연 접착제 중에서 최고의 접착력을 가지며 아교의 4배 정도의 접착력을 낼 수 있고, 내구성 및 내수성이 우수하다.Protein adhesives include glue, gelatin, albumin, casein, soy protein, animal eggs, and fish glue. Especially, it is good in elasticity that it is used for manufacturing bow, traditionally manufactured by degreasing and disassembling the burea of croaker / minnow, etc., and it has the best adhesive force among natural adhesives and can give adhesive force of about 4 times of glue , Durability and water resistance.
탄수화물계 접착제로는 전분계 접착제, 셀루로오스계 접착제, 복합다당류 접착제가 있다. 전분계 접착제로는 덱스트린, 산변성전분, 산화전분, 전분유도체가 있으며, 셀루로오스계 접착제, 셀룰로오스 에스테르 종류에 따라서 질산 셀룰로오스, 아세트산 셀룰로오스, 비스코스 등이 있다. 또한, 복합다당류 접착제로는 아라비아 고무, 트라가칸트 고무, 카라야 고무, 로커스트 빈 고무, 구아 고무, 곤약만난, 알긴산, 포해태, 천연라텍스, 천연수액(옻, 캐슈, 탱자나무, 느릅나무, 아카시아, 오렌지나무, 보계나무, 자작나무, 황촉규, 양조 등), 천연식물 추출물(천문동, 맥문동, 황정, 산약, 천마, 백급, 탱자), 천연수지(센다락, 스틱락, 셀락, 담마르, 송진 등 천연수지류), 목분(소나무, 향나무, 잣나무, 육송, 백송 등의 목제류)이 있다. Carbohydrate-based adhesives include starch-based adhesives, cellulosic adhesives, and complex polysaccharide adhesives. Examples of the starch-based adhesives include dextrin, acid-modified starch, oxidized starch, and starch derivatives, and cellulose acetate, cellulose acetate, viscose and the like, depending on the type of cellulose ester. As the complex polysaccharide adhesive, it is possible to use various adhesives such as gum arabic, tragacanth gum, karaya gum, locust bean gum, guar gum, konjac mannan, alginic acid, porcelain, natural latex, natural sap (such as lacquer, Natural plant extracts such as acacia, orange trees, bamboo trees, birch trees, bamboo trees, brewers, etc.), natural plant extracts (astronomy, mangmundong, hwangjeong, Natural resin such as rosin), wood flour (wood such as pine tree, juniper tree, pine wood,
무기계 접착제로는 실리케이트류(Silicate)인 규산나트륨, 규산칼륨, 실리카 졸, 실리콘유(Silicon Oil)을 사용할 수 있고, 아스팔트계 접착제, 점성광물(Ni급/Na급 Bentonite를 이용하고. Attapulgite, Sepiolite, 홍토와 점토, 그리고 석회석/석고/붕사 등을 이용하여 2,400℃까지 견디는 내화 접착제을 사용할 수 있다.As the inorganic adhesive, silicate such as sodium silicate, potassium silicate, silica sol and silicone oil can be used. Asphalt adhesives, viscous minerals (using Ni / Na grade Bentonite, Attapulgite, Sepiolite , Red clay, clay, limestone / gypsum / borax and so on.
이하에서는 본 발명의 카드(1)를 제작하는 방법에 대해 설명한다. 먼저, 본 발명의 베이스시트(10)는 생분해가 가능한 수지시트로서, 대표적으로는 PLA시트가 사용된다. PLA는 유산을 축합중합하여 직접적인 방법으로 제조 되거나 개환중합에 의해 유산의 이합체(dimer)로부터 간접적으로 제조하며, 상기 이합체를 락티드(lactide)라고 한다. 유산은 설탕 또는 녹말의 발효에 의해 제조된 생성물로서, 녹말은 옥수수, 밀, 호밀 또는 쌀로부터 얻어지고, 설탕은 사탕무우, 유장, 당밀로부터 얻어진다.Hereinafter, a method of manufacturing the card 1 of the present invention will be described. First, the base sheet 10 of the present invention is a biodegradable resin sheet, typically a PLA sheet. PLA is produced either directly by condensation of lactic acid or indirectly from a dimer of lactic acid by ring opening polymerization, and the dimer is referred to as lactide. Lactic acid is a product made by fermentation of sugar or starch, starch is obtained from corn, wheat, rye or rice, and sugar is obtained from beet, whey, molasses.
축합중합은 고진공, 고온 하에서 진행하며, 축합중합을 위해서 축합반응에 의해 생성된 물을 축출하기 위해 용매를 사용한다. 이런 방식으로 제조된 PLA고분자의 분자량은 10,000~20,000 정도이다. PLA로부터의 축합중합의 문제점은 수분을 제거하는 것인데, 이는 수분의 양에 따라 분자량이 달라질 수 있기 때문이다. 분자량을 증가시키기 위해서는 방향족 용매 또는 azetropical 증류수를 이용하여 축합중합을 하면 가능하다. 고분자쇄를 증가시키면 물성이 개선되는데 이는 메틸렌디페닐 디이소시아네이트(methylenediphenyl diisocynate)를 사용한다. 축합중합을 위해서는 반응시간을 길게 하고 연속적인 수분 축출이 필요하다. 이 공정을 사용하면 개환중합을 실시할 때보다 모너머와 촉매가 적게 남는다. 개환중합에서 mild 조건에서 용매 사용 없이 수분이 축출되는데 이 중합에서도 유산 올리고머는 생성된다. 그 후 유산의 원형 이합체(dimer)가 올리고머의 분해를 통해 형성된다. 다음에 촉매로서 스태너스 카르복시레이트(stannous carboxylate)를 이합체(dimer)의 개환을 위해 사용한다. 이 방법으로 PLA고분자의 분자량은 적어도 50,000에 도달한다. Condensation polymerization proceeds under high vacuum at high temperature, and a solvent is used to condense water produced by the condensation reaction for condensation polymerization. The molecular weight of the PLA polymer prepared in this manner is about 10,000 to 20,000. The problem with condensation polymerization from PLA is to remove moisture, since the molecular weight can vary with the amount of water. In order to increase the molecular weight, condensation polymerization can be carried out using an aromatic solvent or azetropical distilled water. Increasing the number of polymer chains improves the physical properties by using methylenediphenyl diisocynate. Condensation polymerization requires a longer reaction time and a continuous withdrawal of water. When this process is used, less monomer and less catalyst remain than when ring-opening polymerization is carried out. In ring-opening polymerization, water is removed without solvent in the mild condition, and lactic acid oligomer is produced in this polymerization. A dimer of lactic acid is then formed through the decomposition of the oligomer. The stannous carboxylate is then used as a catalyst for the ring opening of the dimer. In this way, the molecular weight of the PLA polymer reaches at least 50,000.
이상과 같이 PLA 고분자를 형성하고 베이스시트(10)의 두께에 맞도록 시트 형상으로 제작한다.As described above, the PLA polymer is formed and formed into a sheet shape so as to match the thickness of the base sheet 10.
본 발명의 보호시트(30)는 한지시트에 방수 마감재인 열경화성 수지, 열가소성 수지 또는 친환경 발수제를 함침하여 제작한다. 구체적으로 상술한 종이펄프 10~50중량%, 닥펄프 30~79.95중량%, 기능성 물질 10~30중량%, 분산제인 폴리에틸렌옥사이드(poly ethylene oxide) 또는 폴리아크릴아미드(polyacrylamide, PAM)의 혼합물 0.05중량%에 선택적으로 폴리아크릴아미드, 전분, 식물성검류의 혼합물을 10중량% 내에서 추가한 원료 혼합물을 압출성형기 또는 프레스를 이용하여 장망 또는 환망의 롤 페이퍼 형태로 초지하여 원하는 두께의 한지시트를 형성한다. 일반적으로 모든 초지의 작업은 롤 상태로 진행되므로 함침 공법도 가열된 연속 프레스 즉, 압연 롤러 사이를 한지시트가 통과하도록 하고 건조시킨다. 위와 같은 함침 공법을 이용할 경우, 보다 정교한 함침 작업이 가능하고, 비용 면에서도 낱장의 한지를 각각 함침 하는 것에 비해 비용 절감 효과가 크며, 작업의 편의성을 높일 수 있다.The protective sheet (30) of the present invention is produced by impregnating a paper sheet with a thermosetting resin, a thermoplastic resin or an environmentally friendly water repellent agent as a waterproof finish material. Specifically, 0.05 wt.% Of a mixture of polyethylene glycol or polyacrylamide (PAM) as a dispersant, 10 to 50 wt.% Of paper pulp, 30 to 79.95 wt. % Of a mixture of polyacrylamide, starch and vegetable gum in an amount of 10% by weight is poured in the form of roll paper of a long-lasting net or a net using an extruder or a press to form a sheet of paper having a desired thickness . Generally, since all of the grassland works in the roll state, the impregnation method also allows the sheet to pass through between the heated continuous presses, that is, the rolling rollers, and dries them. When the impregnation method as described above is used, more precise impregnation work is possible, and in comparison with the impregnation of a single sheet of paper, the cost can be reduced and the convenience of work can be improved.
또한, 초지로 한지시트를 제작할 때, 원료 혼합물에 염료를 추가하여 한지시트를 다양한 색상으로 제작할 수 있으며, 이 경우 완성된 카드(1)의 측면을 원하는 여러 색상으로 표현할 수 있는 장점이 있다. In addition, when preparing a paper sheet of grass paper, the paper sheet can be produced in various colors by adding a dye to the raw material mixture. In this case, there is an advantage that the side surface of the completed card 1 can be expressed in various desired colors.
한지시트에 열경화성 수지, 열가소성 수지 또는 친환경 발수제를 함침, 건조시켜 형성된 보호시트(30)는 조직이 치밀해져 시트 자체가 견고해지고, 복원성이 증가하며 방수 처리가 되어 내구성 역시 증가하므로 일반 PVC 등의 폴리머 계열 소재와 같이 카드(1)의 소재로 사용될 수 있다. The protective sheet 30 formed by impregnating and applying a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent to a paper sheet is denser in structure, and the sheet itself becomes rigid, the stability is increased, It can be used as a material of the card 1 like a series material.
이때, 상기 베이스시트(10)와 접하지 않는 보호시트(30)의 외면은 카드(1)의 외관을 형성하도록 인쇄면이 되는데, 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 한지의 기공에 침투하여 보호시트(30) 표면을 매끄럽게 하므로 전사 인쇄, 실크스크린 인쇄, 옵셋 인쇄, 솔벤 인쇄, UV 인쇄, 홀로그램 인쇄, 덴티큘러의 3D인쇄, 형광(fluorescence), 인광(phosphorescence), 발광(emission) 을 포함한 인쇄 및 금박, 은박 등 다양한 인쇄가 가능하며, 기존의 PVC 소재를 이용한 카드의 인쇄 방법을 적용할 수 있음은 물론이다. At this time, the outer surface of the protective sheet 30, which is not in contact with the base sheet 10, serves as a printed surface to form the outer surface of the card 1. The thermosetting resin, thermoplastic resin or environment- The surface of the sheet 30 is smoothed so that printing including silk screen printing, offset printing, solvent printing, UV printing, hologram printing, 3D printing of denticular, fluorescence, phosphorescence, And gold foil, silver foil, and the like, and it is needless to say that the card printing method using the conventional PVC material can be applied.
또한, 인쇄 무늬 위에 여러 가지 문양 표현에 있어 자개 등의 나전이나 옻칠 안료, 금은의 세공 및 칠보 등을 적용하여 디자인 표현을 자유롭게 할 수 있으며 이는 모두 친환경적이며 한국의 전통 재료로서 한국을 세계의 알릴 수 있는 문화마케팅을 가능하게 한다.In addition, on the printed pattern, various expressions of design can be expressed freely by applying mother-of-pearl, lacquer, lacquer, gold and silver work and cloisono. It is eco-friendly, It enables cultural marketing to be possible.
도 2 및 도 3에는 각각 본 발명의 또 다른 일례에 따라 투명시트(40)가 추가된 카드(1)의 적층 구조를 보여주는 개략적인 사시도와 완성된 카드(1)의 측단면도가 도시되어 있다. 도면에서 보듯이, 본 발명의 카드(1)는 보호시트(30)의 외면에 투명시트(40)가 추가로 포함될 수 있으며, 상기 투명시트(40)는 PLA(생분해성 수지)를 얇게 라미네이팅 한 박판 필름을 사용하는 것이 바람직하다. 상기 투명시트(40)로 보호시트(30) 외면을 덮게 되면 카드(1)의 내구성이 증가하고, 상기 베이스시트(10), 보호시트(30)와 함께 동시에 가압되어 합지됨으로써 합지 공정을 단순하게 할 수 있다. 또한, 카드(1)의 기능이나 인쇄 방법에 따라 상기 투명시트(40)에도 인쇄가 가능하며, 상기 투명시트(40)에 인쇄할 경우에는 인쇄면을 보호하기 위하여 상기 투명시트(40)의 배면에 인쇄하여 인쇄면이 접촉되는 상기 보호시트(30)의 일면에 닿도록 하는 것이 바람직하다. 2 and 3 are a schematic perspective view showing a laminated structure of a card 1 to which a transparent sheet 40 is added according to another example of the present invention and a side sectional view of the completed card 1, respectively. As shown in the drawing, the card 1 of the present invention may further include a transparent sheet 40 on the outer surface of the protective sheet 30, and the transparent sheet 40 may be formed by laminating PLA (biodegradable resin) It is preferable to use a thin film. When the outer surface of the protective sheet 30 is covered with the transparent sheet 40, the durability of the card 1 is increased, and the base sheet 10 and the protective sheet 30 are simultaneously pressed and lapped together, can do. It is also possible to print on the transparent sheet 40 according to the function and printing method of the card 1 and to protect the printed surface when printing on the transparent sheet 40. [ So that the printed surface is in contact with one surface of the protective sheet 30 to be in contact.
이때, 상기 투명시트(40)는 방수가 가능한 소재를 사용하여 보호시트(30)의 인쇄면을 보호함과 동시에 카드(1)의 내구성을 증진시키는 것이 바람직하다. 따라서, 상기 투명시트(40)는 상기 베이스시트(10)와 동일하게 생분해성 수지를 박판으로 경화시켜 형성한다. 박판으로 만든 PLA(생분해성 수지) 필름 등의 수지시트를 사용할 경우에는 상기 베이스시트(10)와 보호시트(30)와 함께 가열·가압을 통해 합지하는 단계에서 상기 투명시트(40)가 열에 의해 보호시트(30)에 녹아들어 스며들기 때문에, 박리가 일어나지 않을 뿐 아니라, 카드(1)가 더욱 견고해지며 긁힘 현상을 방지 할 수 있다. 특히, 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 박판으로 경화된 수지시트인 투명시트(40)도 베이스시트(10) 및 보호시트(30)의 합지단계에서의 가열 온도나 가압 시 압력에 견딜 수 있으므로, 카드(1)를 구성하는 각 시트를 모두 적층 배치한 상태에서 한 번의 가열·가압 작업으로 합지가 가능한 효과가 있다.At this time, it is preferable that the transparent sheet 40 protects the printing surface of the protection sheet 30 by using a waterproof material and improves the durability of the card 1. [ Accordingly, the transparent sheet 40 is formed by curing a biodegradable resin into a thin plate in the same manner as the base sheet 10. In the case of using a resin sheet such as a PLA (biodegradable resin) film made of a thin plate, the transparent sheet 40 is heated by heat and pressure together with the base sheet 10 and the protective sheet 30 The card 1 is melted and permeated into the protective sheet 30 so that peeling does not occur and the card 1 becomes more rigid and scratches can be prevented. In particular, the transparent sheet 40, which is a resin sheet cured with a thin film of a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent, can withstand the heating temperature and the pressure under pressure during the laminating step of the base sheet 10 and the protective sheet 30 , There is an effect that laminating can be performed by one heating and pressing operation in a state where all the sheets constituting the card 1 are laminated and arranged.
이때, 상기 투명시트(40)와 이에 접하는 보호시트(30)의 각 접촉면에도 천연 접착제(50)를 도포한 후, 가열 및 가압하여 합지함으로써, 카드(1)의 내구성을 향상시킬 수 있다.At this time, the durability of the card 1 can be improved by applying the natural adhesive agent 50 to the contact surfaces of the transparent sheet 40 and the protective sheet 30 in contact therewith, followed by heating and pressing.
본 발명의 카드(1)를 구성하는 각 층을 상세하게 설명하면, 생분해가 가능한 PLA시트를 베이스시트(10)로 하고, 발수제 등의 수지 함침 한지시트를 보호시트(30)로 사용할 수 있으며, 선택적으로 추가되는 투명시트(40)로는 천연 라미네이트 필름, 박판인 수지경화시트(PLA 필름 등)를 사용할 수 있다. Each layer constituting the card 1 of the present invention will be described in detail. A biodegradable PLA sheet can be used as the base sheet 10 and a resin-impregnated sheet such as a water repellent agent can be used as the protective sheet 30, As the transparent sheet 40 to be selectively added, a natural laminated film, a resin cured sheet (PLA film or the like) which is a thin plate can be used.
도 4에는 본 발명의 카드(1)를 제작하는 순서를 보여주는 개략적인 사시도가 도시되어 있다. 도면을 참고하여 본 발명의 카드(1)의 제작방법을 설명하면, 먼저, 도 4의 (a)에서 보듯이 생분해성 PLA시트인 베이스시트(10)와 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 한지시트인 보호시트(30)를 준비한다. Fig. 4 is a schematic perspective view showing a procedure for manufacturing the card 1 of the present invention. 4 (a), a base sheet 10, which is a biodegradable PLA sheet, and a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent are impregnated with a base sheet 10, A protective sheet 30 is prepared.
본 발명의 카드(1)는 중심 소재인 베이스시트(10)와 그 상·하면에 배치된 보호시트(30)를 접착하여 제작하는데, 도 4의 (b)에서 보듯이, 준비된 베이스시트(10)와 보호시트(30)의 접착면에 각각 천연 접착제(50)를 도포한다.The card 1 of the present invention is manufactured by adhering a base sheet 10 as a center material and a protective sheet 30 disposed on the upper and lower surfaces of the base sheet 10 as shown in Fig. 4 (b) And the protective sheet 30 are coated with a natural adhesive agent 50, respectively.
접착제(50) 도포 후에는 상기 보호시트(30)의 인쇄면, 즉 접착면의 반대 면에 백색잉크를 도포한 후 인쇄를 실시하고, 도 4의 (d)와 같이 상기 베이스시트(10), 보호시트(30) 및 선택적으로 배치되는 투명시트(40)를 가열·가압하는 접착단계를 진행한다. 이때, 백색잉크를 접착제(50)보다 먼저 도포하게 되면, 백색잉크의 유분에 의하여 접착제(50)가 상기 접착면에 제대로 흡수되지 않을 뿐만 아니라 접착력이 떨어지는 현상이 발생하므로, 접착제(50)를 먼저 도포하고 백색잉크를 후도포한다. 한편, 백색잉크를 도포하지 않고도 인쇄가 가능하므로, 이 경우에는 인쇄 후 접착제(50)를 도포하거나 접착제(50)를 먼저 도포하고 인쇄하는 것도 가능하다.After the application of the adhesive 50, white ink is applied to the opposite side of the protective sheet 30, i.e., the side opposite to the adhesive side, and printing is performed. As shown in FIG. 4 (d) The adhesion step of heating and pressing the protective sheet 30 and the selectively disposed transparent sheet 40 is performed. At this time, if the white ink is applied before the adhesive 50, the adhesive 50 is not properly absorbed to the adhesive surface due to the oil of the white ink, Followed by post-application of the white ink. In this case, it is also possible to apply the adhesive agent 50 after printing or apply the adhesive agent 50 first and print it.
상기 접착단계는 고온에서 가열·가압하는 부착단계와 저온상태에서 가열·가압하는 안정화단계의 2단계로 이루어진다. 첫 번째 부착단계는 열 프레스에서 온도를 110℃∼120℃로 한 상태에서 가압하는데, 1차로 37kgf/㎠∼43kgf/㎠에서 5∼7분, 2차로 47kgf/㎠∼53kgf/㎠에서 5∼7분, 3차로 57kgf/㎠∼63kgf/㎠에서 5∼7분간 순차적으로 가압하여 부착한다. 이와 같이 세단계에 나누어 가압을 실시하는 것은 가압공정에 따라 적층된 시트들의 두께가 얇아지기 때문에 변화된 두께 변화에 맞게 압력을 조절하기 위한 것이다. The adhering step consists of two steps: an adhering step of heating / pressing at a high temperature and a stabilization step of heating / pressing under a low temperature condition. The first adhering step is performed under the condition that the temperature is 110 ° C to 120 ° C in the hot press, and the pressurization is carried out for 5 to 7 minutes at 37 kgf / cm 2 to 43 kgf / cm 2 and 5 to 7 minutes at 47 kgf / cm 2 to 53 kgf / Minute and thirdly 57kgf / cm2 to 63kgf / cm2 for 5 to 7 minutes. The pressing in three stages is intended to adjust the pressure to meet the changed thickness because the thickness of the laminated sheets becomes thinner according to the pressing process.
이와 같이 열 프레스 부착단계가 완료되면 부착된 시트를 냉 프레스로 이동시켜 10℃∼14℃의 온도에서 다시 프레스 가압을 실시한다. 냉 프레스 가압은 1차로 47kgf/㎠∼53kgf/㎠에서 5∼7분, 2차로 57kgf/㎠∼63kgf/㎠에서 5∼7분, 3차로 67kgf/㎠∼73kgf/㎠에서 5∼7분간 실시하여 카드(1)를 안정화 시킨다. 이와 같이 안정화단계를 거치게 되면 열 프레스로 가열하여 부착한 시트들이 자유 냉각하면서 뒤틀림 현상이 발생하는 것을 방지할 수 있다.When the step of attaching the hot press is completed, the attached sheet is moved to the cold press and the press is again pressed at a temperature of 10 to 14 캜. The cold press pressurization was carried out for 5 to 7 minutes at a primary pressure of 47 kgf / cm 2 to 53 kgf / cm 2, for 5 to 7 minutes at a secondary pressure of 57 kgf / cm 2 to 63 kgf / cm 2 and for 5 to 7 minutes at a tertiary pressure of 67 kgf / Thereby stabilizing the card 1. When the stabilization step is performed in this manner, it is possible to prevent the sheets attached by heating with the hot press from freezing and twisting.
이상과 같이, 본 발명에서는 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침, 건조 시켜 조직을 치밀하게 한 한지시트를 인쇄면을 포함하는 보호시트(30)로 사용하고, 생분해가 가능한 PLA(생분해성 수지)를 베이스시트(10)로 사용함으로써, 내구성 및 탄도를 개선시키고, 방수성은 물론 반복 사용 시에도 카드(1)의 이형 현상이 없으며, 정교한 인쇄가 가능한 카드(1)를 제작할 수 있다. 또한, 카드(1)를 구성하는 모든 재료가 생분해가 가능한 재료이므로, 소각 또는 폐기 시에 인체나 환경에 유해한 물질이 배출되는 것을 방지함으로써, 친환경적인 카드(1)를 제작할 수 있다. 이밖에도, 기존 카드(1) 제작 설비에 본 발명의 베이스시트(10), 보호시트(30)를 적용할 수 있어, 설비 변경 없이 친환경적인 카드(1)를 제작할 수 있다. As described above, in the present invention, a sheet made of a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent is impregnated and dried to form a tissue sheet. The tissue sheet is used as a protective sheet 30 including a printed surface, and a biodegradable PLA Is used as the base sheet 10, it is possible to improve the durability and the trajectory and to manufacture the card 1 which is capable of precise printing without causing the card 1 to be deformed even in repeated use as well as waterproofness. In addition, since all the materials constituting the card 1 are biodegradable, it is possible to prevent the discharge of substances harmful to human bodies or the environment at the time of incineration or disposal, thereby making it possible to manufacture an environmentally friendly card 1. [ In addition, the base sheet 10 and the protection sheet 30 of the present invention can be applied to the existing card 1 manufacturing facility, and the environmentally friendly card 1 can be manufactured without changing the equipment.
한편, 도 5 내지 도 8을 참고하면, 본 발명의 카드(1)는 RFID 태그(20)가 삽입된 상태로 제작될 수도 있으며, 이 경우 상기 베이스시트(10)와 보호시트(30) 사이에 RFID 태그(20)가 삽입되며, 상기 RFID 태그(20)는 RFID 칩(21)과 안테나 루프(22)로 이루어진다. 이때, 상기 RFID 칩(21)이 상기 베이스시트(10)에 삽입되도록 상기 베이스시트(10) 상면에는 삽입홈(11)이 형성되며, 삽입홈(11)은 상기 RFID 칩(21)의 삽입에 따른 베이스시트(10)의 두께 변화가 최소화되면서 상기 RFID 칩(21)이 안정되게 보호되도록 상기 RFID 칩(21)의 두께와 대응되는 깊이로 형성되는 것이 바람직하다. 또한, 상기 안테나 루프(22)는 베이스시트(10)의 일면에 배치된다. 5 to 8, the card 1 of the present invention may be manufactured in a state in which the RFID tag 20 is inserted. In this case, the card 1 may be provided between the base sheet 10 and the protective sheet 30 An RFID tag 20 is inserted and the RFID tag 20 is composed of an RFID chip 21 and an antenna loop 22. At this time, an insertion groove 11 is formed in the upper surface of the base sheet 10 so that the RFID chip 21 is inserted into the base sheet 10, and the insertion groove 11 is formed in the insertion of the RFID chip 21 The thickness of the base sheet 10 may be minimized to correspond to the thickness of the RFID chip 21 so that the RFID chip 21 is stably protected. The antenna loop 22 is disposed on one side of the base sheet 10.
본 발명에서는 상기 안테나 루프(22)를 전도성 잉크로 제작할 수도 있으나, 초음파 레이저 및 고주파 인벤딩으로 증착 및 에칭하여 제작할 수 있어, 종래의 합성수지재를 이용한 카드 제작 설비에 적용할 수 있는 장점이 있다. 구체적으로, 종전의 초음파 레이져나 고주파 인벤딩으로 증착 및 에칭하여 RFID 태그(20)를 삽입하는 방법은 모두 열에 의한 작업인데, 본 발명의 PLA로 이루어진 베이스시트(10)에 초음파 레이져나 고주파 인벤딩으로 증착 및 에칭하는 방법으로 RFID 태그(20) 삽입 실험을 수행해 본 결과 기존 설비에 적용하는데 문제점이 나타나지 않았다. In the present invention, the antenna loop 22 may be made of conductive ink. However, the antenna loop 22 can be manufactured by depositing and etching using an ultrasonic laser and high frequency induction, which is advantageous in application to a card manufacturing facility using a conventional synthetic resin material. Specifically, the conventional method of inserting the RFID tag 20 by depositing and etching with a conventional ultrasonic laser or high frequency inclusion is a thermal operation. In the base sheet 10 made of the PLA of the present invention, an ultrasonic laser or high frequency inclusion As a result of performing the insertion test of the RFID tag 20 by the method of depositing and etching the RFID tag 20, there is no problem in applying to the existing equipment.
한편, 카드(1)의 활용 목적에 따라 RFID 태그(20) 이외에도 별도의 IC(집적회로) 등이 상기 베이스시트(10)에 삽입될 수 있음을 물론이다.It should be noted that an IC (integrated circuit) or the like other than the RFID tag 20 may be inserted into the base sheet 10 depending on the application purpose of the card 1.
본 발명의 한지시트와 생분해성 수지시트가 결합된 카드 및 그 제작 방법에 의하면, 종전 설비를 그대로 사용하면서 친환경적이고 원가 절감이 가능한 생분해성 카드를 제작할 수 있다.According to the card combined with the biodegradable resin sheet of the present invention and the method for producing the biodegradable resin sheet of the present invention, it is possible to produce a biodegradable card which is eco-friendly and can reduce the cost while using the existing facilities as it is.

Claims (10)

  1. 생분해성 수지가 경화되어 시트 형상으로 형성된 베이스시트(10);A base sheet (10) having a biodegradable resin cured to form a sheet;
    상기 베이스시트(10)의 상·하면 중 어느 하나 이상의 면에 적층되며 상기 베이스시트(10)와 접촉하지 않는 면에 인쇄가 가능한 한지시트로서, 상기 한지시트에 열경화성 수지, 열가소성 수지, 생분해성 발수제 중 어느 하나 이상을 함침·건조하여 형성된 보호시트(30);A base paper sheet (10) which is laminated on at least one of upper and lower surfaces of the base sheet (10) and is capable of printing on a surface not in contact with the base sheet (10), characterized in that a thermosetting resin, a thermoplastic resin, a biodegradable water repellent A protective sheet 30 formed by impregnating / drying at least one of the protective sheets 30;
    상기 베이스시트(10)와 상기 보호시트(30)의 접착면에 도포되는 생분해성 천연 접착제(50);A biodegradable natural adhesive 50 applied to the adhesion surface of the base sheet 10 and the protective sheet 30;
    를 포함하는 한지시트와 생분해성 수지시트가 결합된 카드.And a biodegradable resin sheet.
  2. 제1항에 있어서,The method according to claim 1,
    상기 베이스시트(10)는 생분해성 수지인 TPS(thermo plastic starch), 폴리락트산(PLA; poly lactic acid), 폴리글리콜산(poly glycolic acid), 폴리카프로락톤(poly caprolactone), 지방족 폴리에스테르계 수지, 지방족 생분해성 수지(PBS, PBA, PBSA, PCL), 폴리히드록시부틸산(poly hydroxy butyric acid, PHB), D-3-히드록시 부틸산(D-3-hydroxy butyric acid) 또는 생분해성 나노복합수지 중에 하나 이상을 선택하여 경화시킨 것을 특징으로 하는 한지시트와 생분해성 수지시트가 결합된 카드.The base sheet 10 is made of a biodegradable resin such as thermoplastic starch (TPS), polylactic acid (PLA), poly glycolic acid, poly caprolactone, aliphatic polyester resin , Polyhydroxybutyric acid (PHB), D-3-hydroxy butyric acid (D-3-hydroxybutyric acid) or biodegradable nano- Wherein one or more of the composite resins is selected and cured.
  3. 제1항에 있어서,The method according to claim 1,
    상기 보호시트(30)를 형성하는 한지시트는 종이펄프, 닥펄프, 세라믹 일라이트와 분산제인 폴리에틸렌옥사이드(poly ethylene oxide) 혼합물, 지력증강제인 폴리아크릴아미드(polyacrylamide, PAM), 전분, 식물성검류가 혼합된 원료 혼합물로 구성된 것을 특징으로 하는 한지시트와 생분해성 수지시트가 결합된 카드.The Hanji sheet forming the protective sheet 30 is made of paper pulp, duck pulp, ceramic ilite and a blend of poly ethylene oxide as a dispersant, polyacrylamide (PAM) as an emulsion enhancer, starch, Wherein the biodegradable resin sheet is composed of a mixed raw material mixture.
  4. 제1항에 있어서,The method according to claim 1,
    상기 보호시트(30)는 상기 한지시트에 방수 마감재인 열경화성 수지, 열가소성 수지 또는 생분해성 발수제 중 어느 하나 이상을 함침시켜 방수 처리한 것으로, The protective sheet 30 is formed by impregnating the paper sheet with at least one of a thermosetting resin, a thermoplastic resin or a biodegradable water repellent agent, which is waterproof finishing material,
    상기 방수 마감재로는 식물성 고아텍스의 발수제, 테라핀유, 옻칠, 들기름, 전분을 이용한 생분해성 소재인 TPS, PLA, 폴리글리콜산, 폴리카프로락톤, 지방족 폴리에스테르계 수지, PBS, PBA, PBSA, PCL, PHB 또는 D-3-히드록시 부틸산중에 선택된 어느 하나 또는 두 개 이상이 사용된 것을 특징으로 하는 한지시트와 생분해성 수지시트가 결합된 카드.As the waterproof finishing materials, biodegradable materials such as TPS, PLA, polyglycolic acid, polycaprolactone, aliphatic polyester resin, PBS, PBA, PBSA, PCL , PHB, or D-3-hydroxybutyric acid is used as the biodegradable resin sheet.
  5. 제1항에 있어서,The method according to claim 1,
    상기 천연 접착제(50)는 The natural adhesive (50)
    천연수지 분말 60~80중량%;60 to 80% by weight of a natural resin powder;
    2.000~2.500 메쉬의 귀양석 5~10중량%;5 to 10% by weight of a 2.000 to 2.500 mesh gneiss;
    변성전분 10~20중량%;10 to 20% by weight of modified starch;
    천연 실리콘 접착제 5~10중량%;5 to 10% by weight of natural silicone adhesive;
    물 5~20중량%;를 포함하는 것을 특징으로 하는 한지시트와 생분해성 수지시트가 결합된 카드.And 5 to 20% by weight of water; and the card is combined with the biodegradable resin sheet.
  6. 제1항에 있어서,The method according to claim 1,
    RFID 칩(21)과 안테나 루프(22)를 포함하는 RFID 태그(20);가 더 구비되고,An RFID tag 20 including an RFID chip 21 and an antenna loop 22,
    상기 베이스시트(10)의 일면에는 삽입홈(11)이 형성되어 있어,An insertion groove 11 is formed on one surface of the base sheet 10,
    상기 베이스시트(10)의 삽입홈(11)에 상기 RFID 칩(21)이 삽입되고, 상기 베이스시트(10)의 일면에 상기 안테나 루프(22)가 배치되는 것을 특징으로 하는 한지시트와 생분해성 수지시트가 결합된 카드.Wherein the RFID chip (21) is inserted into the insertion groove (11) of the base sheet (10) and the antenna loop (22) is disposed on one side of the base sheet (10) Card with resin sheet combined.
  7. 제1항에 있어서,The method according to claim 1,
    상기 베이스시트(10)와 접하지 않는 상기 보호시트(30)의 일면에는 천연 라미네이트 필름, 박판으로 만든 수지경화시트 중에서 선택된 투명시트(40)가 배치되는 것을 특징으로 하는 한지시트와 생분해성 수지시트가 결합된 카드.Characterized in that a transparent sheet (40) selected from a natural laminated film or a resin-cured sheet made of a thin plate is disposed on one side of the protective sheet (30) not in contact with the base sheet (10) A combined card.
  8. 베이스시트(10)로 생분해성 수지시트와, 보호시트(30)로 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 한지시트를 준비하는 단계;Preparing a biocompatible resin sheet impregnated with a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent agent as a base sheet (10) and a protective sheet (30);
    상기 보호시트(30)의 접착면 반대면에 인쇄하는 단계;Printing on the opposite side of the adhesive surface of the protective sheet (30);
    상기 베이스시트(10)와 보호시트(30)의 접착면에 각각 천연 접착제(50)를 도포하여 상기 보호시트(30)를 상기 베이스시트(10)의 상·하면 중 어느 한 면 이상에 배치하는 단계;A natural adhesive agent 50 is applied to the bonding surfaces of the base sheet 10 and the protective sheet 30 to dispose the protective sheet 30 on at least one of the upper and lower surfaces of the base sheet 10 step;
    상기 베이스시트(10)와 보호시트(30)를 적층한 상태에서 열 프레스 온도를 110℃∼120℃로, 37kgf/㎠∼43kgf/㎠에서 5∼7분, 47kgf/㎠∼53kgf/㎠에서 5∼7분, 57kgf/㎠∼63kgf/㎠에서 5∼7분간 순차적으로 가압하는 부착 단계;The heat press temperature is 110 to 120 ° C for 5 to 7 minutes at 37 kgf / cm 2 to 43 kgf / cm 2, and 5 to 7 minutes at 47 kgf / cm 2 to 53 kgf / cm 2 in the state that the base sheet 10 and the protective sheet 30 are laminated. To 7 minutes at 57 kgf / cm 2 to 63 kgf / cm 2 for 5 to 7 minutes;
    상기 부착 단계를 거쳐 제작된 시트를 냉 프레스 온도 10℃∼14℃로, 47kgf/㎠∼53kgf/㎠에서 5∼7분, 57kgf/㎠∼63kgf/㎠에서 5∼7분, 67kgf/㎠∼73kgf/㎠에서 5∼7분간 순차적으로 가압하는 안정화 단계;를 거쳐 카드를 제작하는 한지시트와 생분해성 수지시트를 결합한 카드의 제작방법.The sheet produced through the above-mentioned adhering step was subjected to heat press at a cold press temperature of 10 to 14 占 폚 for 5 to 7 minutes at 47 kgf / cm2 to 53 kgf / cm2 for 5 to 7 minutes at 57 kgf / cm2 to 63 kgf / / Cm < 2 > for 5 to 7 minutes. The method of manufacturing a card that combines a cardboard sheet and a biodegradable resin sheet.
  9. 베이스시트(10)로 생분해성 수지시트와, 보호시트(30)로 열경화성 수지, 열가소성 수지 또는 친환경 발수제가 함침 된 한지시트를 준비하는 단계;Preparing a biocompatible resin sheet impregnated with a thermosetting resin, a thermoplastic resin or an environmentally-friendly water repellent agent as a base sheet (10) and a protective sheet (30);
    상기 베이스시트(10)와 보호시트(30)의 접착면에 각각 천연 접착제(50)를 도포하는 단계;Applying a natural adhesive agent (50) to the adhesion surfaces of the base sheet (10) and the protective sheet (30);
    상기 보호시트(30) 접착면의 반대면에 백색잉크를 도포한 후 인쇄하는 단계;Applying a white ink to an opposite side of the adhesive surface of the protective sheet (30) and then printing;
    상기 보호시트(30)를 상기 베이스시트(10)의 상·하면 중 어느 한 면 이상에 배치하는 단계;Disposing the protective sheet (30) on at least one of upper and lower surfaces of the base sheet (10);
    상기 베이스시트(10)와 보호시트(30)를 적층한 상태에서 열 프레스 온도를 110℃∼120℃로, 37kgf/㎠∼43kgf/㎠에서 5∼7분, 47kgf/㎠∼53kgf/㎠에서 5∼7분, 57kgf/㎠∼63kgf/㎠에서 5∼7분간 순차적으로 가압하는 부착 단계;The heat press temperature is 110 to 120 ° C for 5 to 7 minutes at 37 kgf / cm 2 to 43 kgf / cm 2, and 5 to 7 minutes at 47 kgf / cm 2 to 53 kgf / cm 2 in the state that the base sheet 10 and the protective sheet 30 are laminated. To 7 minutes at 57 kgf / cm 2 to 63 kgf / cm 2 for 5 to 7 minutes;
    상기 부착단계를 거쳐 제작된 시트를 냉 프레스 온도 10℃∼14℃로, 47kgf/㎠∼53kgf/㎠에서 5∼7분, 57kgf/㎠∼63kgf/㎠에서 5∼7분, 67kgf/㎠∼73kgf/㎠에서 5∼7분간 순차적으로 가압하는 안정화 단계;를 거쳐 카드를 제작하는 한지시트와 생분해성 수지시트를 결합한 카드의 제작방법.The sheet produced through the above-mentioned adhering step was subjected to heat press at a cold press temperature of 10 to 14 占 폚 for 5 to 7 minutes at 47 kgf / cm2 to 53 kgf / cm2 for 5 to 7 minutes at 57 kgf / cm2 to 63 kgf / / Cm < 2 > for 5 to 7 minutes. The method of manufacturing a card that combines a cardboard sheet and a biodegradable resin sheet.
  10. 제8항 또는 제9항에 있어서,10. The method according to claim 8 or 9,
    상기 보호시트(30)의 접착면 반대면에는 천연 라미네이트 필름, 박판으로 만든 수지경화시트 중에서 선택된 투명시트(40)를 배치하고,A transparent sheet 40 selected from a natural laminate film or a resin-cured sheet formed of a thin plate is disposed on the opposite side of the adhesive surface of the protective sheet 30,
    상기 베이스시트(10), 보호시트(30), 투명시트(40)를 적층한 상태에서 상기 부착 단계와 안정화 단계를 진행하는 것을 특징으로 하는 한지시트와 생분해성 수지시트를 결합한 카드의 제작방법.Wherein the base sheet (10), the protective sheet (30), and the transparent sheet (40) are laminated and the adhesion step and the stabilization step are carried out.
PCT/KR2010/005412 2010-06-11 2010-08-17 Card comprising korean paper sheet combined with biodegradable resin sheet, and method for manufacturing same WO2011155662A1 (en)

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