EP2199862A1 - Papier de transfert ayant une couche d'impression en offset UV et couche renforcée à UV et son procédé de fabrication - Google Patents

Papier de transfert ayant une couche d'impression en offset UV et couche renforcée à UV et son procédé de fabrication Download PDF

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Publication number
EP2199862A1
EP2199862A1 EP08171875A EP08171875A EP2199862A1 EP 2199862 A1 EP2199862 A1 EP 2199862A1 EP 08171875 A EP08171875 A EP 08171875A EP 08171875 A EP08171875 A EP 08171875A EP 2199862 A1 EP2199862 A1 EP 2199862A1
Authority
EP
European Patent Office
Prior art keywords
layer
top face
raw material
coating
coated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08171875A
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German (de)
English (en)
Inventor
Hyosang Yum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UVI Inc
Original Assignee
UVI Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by UVI Inc filed Critical UVI Inc
Priority to EP08171875A priority Critical patent/EP2199862A1/fr
Publication of EP2199862A1 publication Critical patent/EP2199862A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0093—Image-receiving members, based on materials other than paper or plastic sheets, e.g. textiles, metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/12—Transfer pictures or the like, e.g. decalcomanias

Definitions

  • the present invention relates to transfer paper having a UV (ultraviolet) offset print layer and a UV reinforcing layer for interposing the UV offset print layer therein and protecting it and to a method for manufacturing the same.
  • the invention has a characteristic feature that the strength of a print face of the resulting transfer paper is enhanced due to properties exhibited by a UV ink which may be used for this transfer paper, including tensile strength on a face to be adhered after hardening of the ink, heat resistance, light fastness and weather resistance.
  • the invention may provide transfer paper capable of using PET (polyethylene terephthalate) as a material for a sheet-shaped base material.
  • PET polyethylene terephthalate
  • PET has hitherto been considered to be difficult to use in UV offset printing of transfer paper and in a method for manufacturing the same.
  • the transfer paper as referred to herein is one in which a transfer layer is laminated on one face of a sheet-shaped base material in a freely transferable manner.
  • This transfer layer is formed as a whole in such a manner that while centering a print layer formed by printing a design of any sort such as a pattern or a photograph, in addition to this print layer, a release layer or plural protective layers are laminated so as to interpose the print layer therein.
  • the foregoing transfer layer is transferred onto a material to be transferred onto a material to be transferred which is made of a raw material of any sort including fibres, potteries, ceramics, woods and metallic plates (such a material will be hereinafter simply be referred to as "material to be transferred") by heat, water, pressure or other release means, and after the transfer, the sheet-shaped base material of the transfer paper is peeled off and removed from the transfer layer.
  • a coating method generally utilises a nozzle and/or utilises a silk screen plate of from about 30 to 40 mesh.
  • the term "mesh" as referred to herein means the number of eyes per square inch of a sieve; and the larger the numerical number, the more minute the printing. That is, the transfer layer is formed by laminating plural raw material layers. Therefore, depending upon the viscosity characteristics of the raw material of the respective layer; in the case of a raw material with low viscosity, a nozzle coating method which is excellent in uniformity of coating and precision is desirable.
  • the transfer layer is transferred onto a top face of the fibre fabric.
  • the transfer paper may be placed under complex and unfavourable conditions.
  • the base fibre fabric may expand and contract.
  • the transfer layer may come into contact with a detergent.
  • the transfer layer may be irradiated by sunlight.
  • JP-A-8-207499 or JP-A-2003-231393 disclose transfer paper which aims to keep these properties over a long period of time.
  • An object of the invention is to provide transfer paper in which not only PET can be used as a sheet-shaped base material, but even when a transfer layer is placed under various unfavourable conditions as described previously, properties of a transfer layer can be kept over a long period of time. It is also an object of the invention to provide a method for manufacturing the same.
  • the invention provides the following:-
  • Fig. 1 is an enlarged longitudinal cross-sectional view of transfer paper according to the invention.
  • PET polyethylene terephthalate
  • a transfer layer 200 is laminated and formed on a top face of this sheet-shaped base material 100.
  • This sheet-shaped base material 100 is made of a PET material.
  • a product having been subjected to an antistatic treatment is favourable (an antistatic treatment by passing a current with high frequency is generally used).
  • a product manufactured by SKC Co., Ltd., Korea is preferred.
  • the transfer layer 200 of the invention is formed by applying or coating a substance composed of various materials on a number of layers and laminating it.
  • this transfer layer 200 is configured of a release layer 210, a primary coating layer 220, a secondary coating layer 230, a UV offset print layer 240, a protective layer 250, a first masking layer 260, a second masking layer 270 and an adhesive layer 280.
  • the release layer 210 to be formed on a top face of the sheet-shaped base material 100 is formed by coating a mixed chemical of silicone and a rubber based raw material (specifically, a mixture of silicone rubber and a wax in a ratio of 7/2/1) in a thickness of from 1.5 to 2 ⁇ m on the top face of the sheet-shaped base material 100 by utilising a machine which is called a comma coating device; and after coating the foregoing mixed chemical, the coated mixed chemical is dried for from about 3 to 5 minutes under a hot air atmosphere at from 145 to 160°C, whereby it is fixed to and formed on the top face of the sheet-shaped base material 100.
  • a mixed chemical of silicone and a rubber based raw material specifically, a mixture of silicone rubber and a wax in a ratio of 7/2/1
  • a machine which is called a comma coating device
  • the primary coating layer 220 is coated on a top face of the foregoing release layer 210 such that it is adaptive with a design composed of a prescribed pattern or photograph to be formed on the UV offset print layer 240 as described later in conformity with contours thereof.
  • this primary coating layer 220 is formed by mixing 100 parts by weight of polymeric glycol which is a one-pack polyurethane (soft segment polyurethane) and from 230 to 250 parts by weight of an organic polymer aerosol for quenching in a powder form, coating the mixture by means of silk screen printing utilizing a 300-mesh silk screen unit and then subjecting to natural drying or blast drying under a temperature atmosphere at from 20 to 40°C.
  • polymeric glycol which is a one-pack polyurethane (soft segment polyurethane) and from 230 to 250 parts by weight of an organic polymer aerosol for quenching in a powder form
  • the primary coating layer 220 enhances flexibility and degree of colour development of the surface of the UV offset print layer.
  • the secondary coating layer 230 is formed by coating on a top face of the foregoing primary coating layer 230 while using a two-pack polyurethane as a raw material.
  • this secondary coating layer 230 is formed by mixing 100 parts by weight of a chain extender as a two-pack polyurethane (hard segment polyurethane) and from 20 to 30 parts by weight of a mixture of an organic polymer aerosol for quenching in a powder form and silicone and subjecting the mixture to silk screen printing in a state in which air bubbles have been removed.
  • a chain extender as a two-pack polyurethane (hard segment polyurethane) and from 20 to 30 parts by weight of a mixture of an organic polymer aerosol for quenching in a powder form and silicone and subjecting the mixture to silk screen printing in a state in which air bubbles have been removed.
  • This secondary coating layer 230 has an action to enhance abrasion strength and UV printing properties on the surface of the UV offset print layer by using a two-pack polyurethane of a hardener type.
  • the UV offset print layer 240 is formed by printing a UV ink on a top face of the hardened secondary coating layer 230.
  • a print face thereof is positioned in the centre of the transfer layer, and a design composed of a prescribed pattern or photograph of the transfer layer is formed thereon.
  • this UV offset print layer 240 As the ink to be used, it is desirable to use an ink having light fastness, heat resistance and weather resistance such that colour deformation of physical property deformation by light or heat is not generated.
  • this protective layer 250 may play a role to reinforcing the peel properties and stretching properties of the UV ink, it is formed y natural drying or blast drying under a temperature atmosphere of from 20 to 40°C.
  • the first masking layer 260 is formed by coating a one-pack white polyurethane ink on a top face of the foregoing protective layer 250 by means of silk screen printing.
  • the first masking layer 260 is formed by natural drying or blast drying under a temperature atmosphere of from 20 to 40°C.
  • the second masking layer 270 by coating, as raw materials, a polymeric glycol of a one-pack polyurethane and carbon on a top face of the foregoing first masking layer 260.
  • the adhesive layer 280 is formed by coating a one-pack adhesive as a raw material on a top face of the first masking layer 260 or the second masking layer 270 to be selectively adopted.
  • a thermoplastic adhesive and a thermosetting adhesive can be selectively adopted.
  • thermoplastic adhesive is an adhesive made of a vinyl based polymer (for example,polyvinyl acetate may be the foregoing one-pack adhesive) or a copolymer thereof.
  • a blend prepared by adding about 10 parts by weight of the adhesive may be coated by means of silk screen printing.
  • the mesh number of a silk screen is determined depending upon the extent to which the pulverisation level of the hot melt can be made fine.
  • a silk screen of about 120 meshes is in the most stable state.
  • the adhesive layer 280 is subjected to natural drying or blast drying at from ambient temperature to 40°C.
  • thermosetting adhesive urea and formalin are heated at from 60 to 90°C in the presence of an alkaline catalyst; a resin of an initial condensate aqueous solution thus obtained is powdered; and at the time of use, a hardener (acidic compound) is added to the aqueous solution, and the mixture is coated, whereby an acidic condensation reaction occurs.
  • the resulting resin is thus hardened and becomes a non-melting resin.
  • coating is carried out in a printing system by means of silk screen printing. Though it is desirable to use a silk screen of from 150 to 200 meshes, when the hot melt has a particle size of from 20 to 80 ⁇ m, it is desirable to use a silk screen of about 120 meshes.
  • thermosetting adhesive is used while regulating a blending ratio of the hot melt depending upon the material to be transferred. Different from the thermoplastic adhesive, the thermosetting resin is used such that the amount of the hot melt does not exceed 7 parts by weight.
  • transfer paper In the case where this transfer paper is transferred onto clothing or footgear, high stretching properties and bending properties are observed. For that reason, since the majority of other layers for protecting the UV offset print layer 240 are made of a polyurethane raw material, external stimulation due to frequent washing or others of the same degree can be effectively avoided. Thus, the life of the transfer layer 200 semi-permanently increases without readily damaging the UV offset print layer 240.
  • the invention is applicable to all of the industrial fields utilising transfer paper.
EP08171875A 2008-12-16 2008-12-16 Papier de transfert ayant une couche d'impression en offset UV et couche renforcée à UV et son procédé de fabrication Withdrawn EP2199862A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08171875A EP2199862A1 (fr) 2008-12-16 2008-12-16 Papier de transfert ayant une couche d'impression en offset UV et couche renforcée à UV et son procédé de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08171875A EP2199862A1 (fr) 2008-12-16 2008-12-16 Papier de transfert ayant une couche d'impression en offset UV et couche renforcée à UV et son procédé de fabrication

Publications (1)

Publication Number Publication Date
EP2199862A1 true EP2199862A1 (fr) 2010-06-23

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EP08171875A Withdrawn EP2199862A1 (fr) 2008-12-16 2008-12-16 Papier de transfert ayant une couche d'impression en offset UV et couche renforcée à UV et son procédé de fabrication

Country Status (1)

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EP (1) EP2199862A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101025430B1 (ko) 2009-12-23 2011-03-28 삼성프린-텍(주) Ｕｖ옵셋인쇄와 실크스크린인쇄를 병행한 수지필름의 인쇄방법 및 그 제품
KR101052999B1 (ko) 2010-08-30 2011-07-29 삼성프린-텍(주) Ｉｍｄ필름의 제조방법 및 그 제품

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08207499A (ja) 1995-02-03 1996-08-13 Yukio Takamizawa 転写シール
US6358660B1 (en) * 1999-04-23 2002-03-19 Foto-Wear, Inc. Coated transfer sheet comprising a thermosetting or UV curable material
JP2003231393A (ja) 2002-02-07 2003-08-19 Toyomasa Shinohara 転写シール及びその製造法
KR20060087698A (ko) * 2005-01-31 2006-08-03 주식회사 태상아이리스 유브이옵셋 인쇄층과 유브이보강층을 갖는 전사지 및 그제조방법
EP1710077A1 (fr) * 2004-01-13 2006-10-11 Daicel Chemical Industries, Ltd. Feuille de transfert

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08207499A (ja) 1995-02-03 1996-08-13 Yukio Takamizawa 転写シール
US6358660B1 (en) * 1999-04-23 2002-03-19 Foto-Wear, Inc. Coated transfer sheet comprising a thermosetting or UV curable material
JP2003231393A (ja) 2002-02-07 2003-08-19 Toyomasa Shinohara 転写シール及びその製造法
EP1710077A1 (fr) * 2004-01-13 2006-10-11 Daicel Chemical Industries, Ltd. Feuille de transfert
KR20060087698A (ko) * 2005-01-31 2006-08-03 주식회사 태상아이리스 유브이옵셋 인쇄층과 유브이보강층을 갖는 전사지 및 그제조방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101025430B1 (ko) 2009-12-23 2011-03-28 삼성프린-텍(주) Ｕｖ옵셋인쇄와 실크스크린인쇄를 병행한 수지필름의 인쇄방법 및 그 제품
KR101052999B1 (ko) 2010-08-30 2011-07-29 삼성프린-텍(주) Ｉｍｄ필름의 제조방법 및 그 제품

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