KR100877660B1 - Method for manufacturing security papers - Google Patents

Method for manufacturing security papers Download PDF

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KR100877660B1
KR100877660B1 KR1020060122135A KR20060122135A KR100877660B1 KR 100877660 B1 KR100877660 B1 KR 100877660B1 KR 1020060122135 A KR1020060122135 A KR 1020060122135A KR 20060122135 A KR20060122135 A KR 20060122135A KR 100877660 B1 KR100877660 B1 KR 100877660B1
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South Korea
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paper
security
present
weight
security paper
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KR1020060122135A
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Korean (ko)
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KR20080051300A (en
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최창활
임건
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무림에스피 주식회사
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    • 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
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • 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
    • B41M3/14—Security printing
    • 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
    • B41M3/14—Security printing
    • B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

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Abstract

본 발명은 인쇄적성이 향상된 보안용지 제조방법에 관한 것으로서 더욱 상세하게는 기존의 초지지 보안용지에 광물질을 도공하여 보안요소를 강화함과 더불어 인쇄적성이 향상된 보안용지 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a security paper with improved printability, and more particularly, to a method for manufacturing a security paper with improved printability as well as reinforcing a security element by coating a mineral on an existing paper support security paper.

본 발명에 의하면, 초지지로 얻은 보안용지 위에 펄 안료: 40~90중량%와 펄 안료끼리 또는 펄과 초지원지가 접착할 수 있도록 접착제: 9.8~54중량%와 윤활제: 0.1~3중량%, 내수화제: 0.1~3중량%를 포함하는 농도 30~80% 범위의 도공액을 소정의 코터를 이용하여 양면 또는 편면에 도포하여 얻어지는 것을 특징으로 하는 인쇄적성이 향상된 보안용지 제조방법을 제시한다.According to the present invention, a pearl pigment: 40 to 90% by weight on a security paper obtained as a paper support, and an adhesive: 9.8 to 54% by weight and a lubricant: 0.1 to 3% by weight so that the pearl pigments can be adhered to each other or pearl and the support paper. Water-resistant agent: The present invention provides a method for producing a security paper with improved printability, characterized in that a coating liquid having a concentration ranging from 30% to 80% containing 0.1 to 3% by weight is applied to both sides or one side using a predetermined coater.

초지지, 보안용지, 위조방지Paper, security paper, anti-counterfeit

Description

인쇄적성이 향상된 보안용지 제조방법{Method for manufacturing security papers} Security paper manufacturing method with improved printability {Method for manufacturing security papers}

도 1은 종래 기술로서 초지기에서 요철이 있는 댄디롤을 사용하여 은화를 삽입하는 과정을 나타낸 도면이다.FIG. 1 is a view illustrating a process of inserting silver coins using dandy roll having irregularities in a paper machine as a prior art.

도 2는 본 발명에 따라 초지기에서 제작 완료된 보안용지를 코터에서 광물질을 도공하는 과정을 나타낸 제조공정도이다.2 is a manufacturing process diagram showing a process of coating a mineral material in a coater for the security paper produced in the paper machine according to the present invention.

도 3은 본 발명에 따라 초지기에서 제작 완료된 보안용지에 엠보싱 공정을 추가하여 나타낸 제조공정도이다.Figure 3 is a manufacturing process diagram showing the addition of the embossing process to the security paper produced in the paper machine according to the present invention.

도 4a는 종래 기술로서 초지기에서 제작된 보안용지의 단면 구조를 나타낸 도면이다.
도 4b 내지 도 4d는 본 발명에 따른 인쇄적성이 향상된 보안용지 제조공정의 단면 구조를 나타낸 도면이다.Figure 4a is a view showing a cross-sectional structure of a security paper produced in a paper machine as a prior art.
4b to 4d is a view showing a cross-sectional structure of the security paper manufacturing process improved printability according to the present invention.

도 5는 종래의 초지지 보안용지와 본 발명에 따른 보안용지의 인쇄 후 망점인쇄를 비교한 사진이다.5 is a photograph comparing the printing of the dot paper after printing of the conventional paper support security paper and the security paper according to the present invention.

도 6은 종래의 초지지 보안용지와 본 발명에 따른 보안용지의 인쇄 후 베다인쇄를 비교한 사진이다.Figure 6 is a photograph comparing the printing after the printing of the conventional paper support security paper and the security paper according to the present invention.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10: 초지지 12: 제 1형광색사10: grass paper 12: first fluorescent color yarn

14: 은화 16: 도공층14: silver 16: coating layer

18: 제 2형광색사 20: 엠보싱18: second fluorescent color yarn 20: embossing

본 발명은 인쇄적성이 향상된 보안용지 제조방법에 관한 것이다. 더욱 상세하게는 기존의 초지지 보안용지에 광물질을 도공하여 보안요소를 강화함과 더불어 인쇄적성이 향상된 보안용지 제조방법에 관한 것이다.The present invention relates to a security paper manufacturing method with improved printability. More specifically, the present invention relates to a method for manufacturing a security paper with improved printability as well as reinforcing a security element by coating a mineral on an existing paper support security paper.

일반적으로 은행권, 수표, 증권, 각종 상품권 등 유가증권 용지의 위조방지를 위해서 종이 내에 은화를 삽입하는 방법에 대해서는 널리 공지되어 있다. 이러한 보안기능을 부여하는 은화는 지필이 형성되는 초지기에서 얻을 수 있는데, 크게 환망식 초지방식과 장망식 초지방식이 있다.In general, a method of inserting a silver coin into a paper to prevent counterfeit of a securities paper such as banknotes, checks, securities, and various gift certificates is well known. The silver coin granting this security function can be obtained from the paper machine in which paper is formed.

환망식 초지방식은 환망에 임의의 형상을 가진 요철부위에 지료가 쌓이게 하는 방식으로서 요철부분에 지료 쌓임의 두께 차이가 발생하여 그 명암에 의해 은화가 형성되게 된다. 이와 관련된 공지 기술로서 “EP 제549,3841A1호”또는 “국제 공개특허 제9,606,220A1호”에 환망 초지 시 은화 삽입 방법이 기술되어 있다.Ring mesh papermaking system is a method that allows the paper to be accumulated in the uneven portion having an arbitrary shape in the ring network, the difference in the thickness of the stack of paper occurs in the uneven portion is formed by the contrast silver. As a related art, a method of inserting a silver coin at the time of papermaking is described in EP 549,3841 A1 or International Publication No. 9,606,220 A1.

장망식 초지방식은 도 1과 같이 헤드박스(head box)(1)에서 사출된 지필에 수분이 과량 함유된 상태에서 상부에 임의의 형상을 갖는 요철망이 입혀진 댄디 롤(dandy roll)(2)의 압착에 의해 두께 차이가 발생함으로써 그 명암에 의해 은화를 얻을 수 있다. 이때, 부호 3은 와이어 피트(wire pit)이다. 이와 관련된 공지 기술로서 미국특허 제4,534,398호에는 장망에서 댄디롤을 이용하여 은화를 제조하는 방법이 기술되어 있다.Long mesh papermaking method is a dandy roll (2) coated with a concave-convex net having an arbitrary shape on the top in a state in which excess paper is injected from the head box (1) as shown in FIG. When the difference in thickness occurs due to the compression of, the silver can be obtained by the contrast. At this time, reference numeral 3 denotes a wire pit. As a related art, U.S. Patent No. 4,534,398 describes a method for producing silver using Dandy Roll in the long term.

또한 상기와 같이 지필에 은화를 직접 형성하는 방법 외에도 유사은화를 제조하는 방법이 있다. 즉 투명화제 등을 이용하여 인쇄함으로써 유사은화를 얻을 수 있는 방법과 관련된 공지 기술로서“US5695220”,“GB2282611A”,“JP2619769”,“일본 특허공개공보 평9-52431호”등에 기재되어 있다.In addition to the method of directly forming a silver coin on the paper, as described above, there is a method of manufacturing a pseudo silver coin. In other words, known techniques related to a method of obtaining pseudo silver by printing using a transparent agent or the like are described in "US5695220", "GB2282611A", "JP2619769", "Japanese Patent Publication No. 9-52431", and the like.

그리고 보안기능이 향상될수록 위변조 방법도 교묘해져 이를 방지하기 위해 은화 삽입만으로도 한계가 있어 보안기능을 부여하는 다른 방법에 대해서도 제시되어 있다. 한국 공개특허 제99-73638호에는 “색동은사 및 이의 혼초지 제조방법”라는 제조방법이 기술되어 있다. 이는 보안용지 제조 시 형광색사를 지료에 혼합하여 특정 파장대의 빛에서 색상을 발현하게 하여 위변조 유무를 판단할 수 있는 방법을 제시하고 있다.As the security function is improved, the counterfeiting method is also more sophisticated, and in order to prevent this, the silver insertion is limited. Korean Laid-Open Patent Publication No. 99-73638 describes a manufacturing method called "color copper silver and its blend paper manufacturing method". This suggests a method for judging the presence of forgery by mixing fluorescent color yarns in the material to produce color in light of a specific wavelength band when manufacturing security paper.

상술한 바와 같이, 시중에 유통되는 대부분의 보안용지들은 초지지에 보안요소를 부여한 후 추가 공정 없이 완제품을 얻는 백상지 계열로써 컴퓨터, 인쇄 기술의 발달과 함께 위변조의 응용기술도 다양화되고 있다. 또한 종래의 초지지 보안용지는 다색 인쇄가 어렵고, 인쇄 시 선명도가 떨어져 고화상의 인쇄물을 획득하는 데 많은 한계가 있었다.As described above, most of the security papers on the market are made of wood-based paper that obtains a finished product without additional processing after attaching a security element to the backing paper, and the application technology of forgery and falsification has been diversified with the development of computer and printing technology. In addition, the conventional paper-based security paper is difficult to multi-color printing, there is a lot of limitations in obtaining a high-resolution printout of the sharpness when printing.

이에, 본 발명은 상기한 문제점을 해결하기 위한 것으로서 본 발명의 목적은 위변조가 상대적으로 쉬운 종래의 초지지 계열의 보안용지에 무기안료 등의 광물질이 포함된 도공액을 도공하는 공정과 엠보싱 공정을 추가함으로써 보안요소를 강화함과 인쇄적성이 향상된 보안용지 제조방법을 제공하는 데 있다.Accordingly, an object of the present invention is to solve the above problems, and an object of the present invention is to provide a process for coating a coating solution containing minerals such as inorganic pigments and embossing processes in a conventional paper support-based security paper that is relatively easy to forgery. In addition, the present invention provides a method for manufacturing a security paper with enhanced security elements and improved printability.

상기한 본 발명의 목적을 달성하기 위한 기술적 사상으로서 본 발명에 의하면, 초지지로 얻은 보안용지 위에 펄 안료: 40~90중량%와 펄 안료끼리 또는 펄과 초지원지가 접착할 수 있도록 접착제: 9.8~54중량%와 윤활제: 0.1~3중량%, 내수화제: 0.1~3중량%를 포함하는 농도 30~80% 범위의 도공액을 소정의 코터를 이용하여 양면 또는 편면에 도포하여 얻어지는 것을 특징으로 하는 인쇄적성이 향상된 보안용지 제조방법을 제시한다.According to the present invention as a technical idea for achieving the above object of the present invention, a pearl pigment: 40 to 90% by weight on a security paper obtained as a paper support, and the pearl pigments or adhesives to allow the pearl and super support paper to adhere to each other: 9.8 A coating liquid having a concentration ranging from 30% to 80%, containing ~ 54% by weight and a lubricant: 0.1 to 3% by weight, and a water-repellent agent: 0.1 to 3% by weight, is obtained by applying a predetermined coater to both surfaces or one side. The present invention provides a method for manufacturing a security paper having improved printability.

삭제delete

이때, 본 발명은 위조방지 요소로써 사용되는 은화는 지필의 두께 차에 의한 명암에 의해 형성된다. At this time, the silver is used as the anti-counterfeiting element is formed by the contrast due to the thickness difference of the paper.

이하, 본 발명의 실시 예에 대한 구성 및 그 작용을 첨부한 도면을 참조하면서 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings, the configuration and operation of the embodiment of the present invention will be described in detail.

도 2는 본 발명에 따라 초지기에서 제작 완료된 보안용지를 코터에서 광물질을 도공하는 과정을 나타낸 제조공정도이다.2 is a manufacturing process diagram showing a process of coating a mineral material in a coater for the security paper produced in the paper machine according to the present invention.

도 2를 살펴보면, 초지지로 완료된 보안용지 -> 언와인더(unwinder)(S11) -> 제 1코터(coater)(S12) -> 건조(dry)(S13) -> 제 2코터(S14) -> 건조(S15) -> 와인더(S16) 과정을 거치게 된다.Referring to Figure 2, the security paper completed as a paper support-> unwinder (unwinder) (S11)-> the first coater (S12)-> dry (S13)-> second coater (S14) -> Drying (S15)-> Winder (S16) will go through the process.

이때, 상기 제 1코터 혹은 제 2코터에는 블레이드 코터, 에어나이프 코터, 롤 코터, 커튼 코터 중 어느 하나가 사용된다. In this case, any one of a blade coater, an air knife coater, a roll coater, and a curtain coater may be used for the first coater or the second coater.

또한, 상기 제 1코터 혹은 제 2코터를 이용하여 클레이, 탄산칼슘, 실리카, 이산화티탄, 펄 등의 광물질과 형광색사를 포함하는 도공액을 도공하고 있다.Moreover, the coating liquid containing fluorescent substance, such as minerals, such as a clay, calcium carbonate, a silica, titanium dioxide, and a pearl, is coated using the said 1st coater or a 2nd coater.

이때, 광물질들을 포함하는 도공액은 일반 도공지의 도공액 제조 방법과 동 일하다. 그리고, 초지에 투입되는 형광색사와 색상이 다른 색사를 도공액에 첨가함으로써 보안요소를 가미할 수 있다.At this time, the coating liquid containing minerals is the same as the coating liquid manufacturing method of the general coating paper. In addition, a security element may be added by adding a color yarn having a different color from the fluorescent color yarn put into the papermaking solution to the coating liquid.

도 3은 본 발명에 따라 초지기에서 제작 완료된 보안용지에 엠보싱 공정을 추가하여 나타낸 제조공정도이다.Figure 3 is a manufacturing process diagram showing the addition of the embossing process to the security paper produced in the paper machine according to the present invention.

도 3을 살펴보면, 초지지로 완료된 보안용지 -> 언와인더(unwinder)(S21) -> 제 1코터(coater)(S22) -> 건조(dry)(S23) -> 제 2코터(S24) -> 건조(S25) -> 와인더(winder)(S26) -> 언와인더(unwinder)(S27) -> 엠보싱(embosser)(S28) -> 와인더(winder)(S29) 과정을 거치게 된다.Referring to Figure 3, the security paper completed as a paper support-> unwinder (unwinder) (S21)-> first coater (S22)-> dry (S23)-> second coater (S24) -> Dryer (S25)-> Winder (S26)-> Unwinder (S27)-> Embosser (S28)-> Winder (S29) .

이때, 상기 제 1코터 혹은 제 2코터에는 블레이드 코터, 에어나이프 코터, 롤 코터, 커튼 코터 중 어느 하나가 사용된다. In this case, any one of a blade coater, an air knife coater, a roll coater, and a curtain coater may be used for the first coater or the second coater.

즉, 도 3에서는 와인더 공정 후 언와인더(unwinder), 엠보싱(embosser), 와인더(winder) 과정을 더 거치게 된다
도 4a는 종래 기술로서 초지기에서 제작된 보안용지의 단면 구조를 나타낸 도면이며, 도 4b 내지 도 4d는 본 발명에 따른 인쇄적성이 향상된 보안용지 제조공정의 단면 구조를 나타낸 도면이다.That is, in FIG. 3, the winder process further undergoes an unwinder, an embosser, and a winder.
Figure 4a is a view showing a cross-sectional structure of a security paper produced in a paper machine as a prior art, Figures 4b to 4d is a view showing a cross-sectional structure of a security paper manufacturing process improved printability according to the present invention.

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먼저, 보안기능이 부여된 초지지(10)에 제 1형광색사(12)가 입혀져 있으며, 그 단면에는 은화(14)가 코팅되어 있다(도 4a 참조).First, the first fluorescent color yarn 12 is coated on the paper support 10 provided with the security function, and a silver 14 is coated on its cross section (see FIG. 4A).

그리고나서, 상기 은화(14)가 코팅된 상/하부면에는 도공층(16)이 형성되어 있다(도 4b 참조). Then, a coating layer 16 is formed on the upper and lower surfaces of the silver 14 coated (see FIG. 4B).

이때, 상기 도공층(16)의 상/하부면에는 또 다른 제 2형광색사(18)가 입혀져 있다(도 4c 참조). At this time, another second fluorescent color yarn 18 is coated on the upper and lower surfaces of the coating layer 16 (see FIG. 4C).

여기서, 도 4c에서와 같이 초지지(10)에 투입되는 제 1형광색사(12)와 도공층(16)에 투입되는 제 2형광색사(18)의 색상을 달리하여 보안기능을 부여하는 것이다. 도공하는 방법으로는 크게 블레이드 코팅, 에어나이프 코팅, 롤 코팅, 커튼 코팅이 있다. 기본적으로 도공을 할 수 있는 코팅 헤드는 2개 이상으로 양면 도공이 가능하다. 경우에 따라서는 도 2에서의 제 1코터만 작업한 후 건조 과정을 거쳐 편면 도공지를 얻을 수도 있다. 이렇게 제조된 도공 보안용지에 보안요소를 추가로 첨가하기 위해서 도 3과 같이 엠보싱 처리를 할 수 있다.In this case, as shown in FIG. 4C, the first fluorescent color yarn 12 to be inserted into the paper support 10 and the second fluorescent color yarn 18 to be applied to the coating layer 16 are provided with different security functions. Coating methods include blade coating, air knife coating, roll coating, and curtain coating. Basically, two or more coating heads can be coated. In some cases, only the first coater in FIG. 2 may be worked, and then a single-side coated paper may be obtained through a drying process. Embossing can be performed as shown in FIG. 3 to further add a security element to the coated security paper thus manufactured.

그 후, 상기 결과물의 상/하부 표면에 요철을 가진 엠보싱(20)을 형성함으로써 위조방지 기능이 강화된 고급 인쇄용 도공지를 완료한다(도 4d 참조).Thereafter, by forming the embossing 20 having irregularities on the upper and lower surfaces of the resultant product, an advanced printing coated paper having enhanced anti-counterfeiting function is completed (see FIG. 4D).

도 5는 종래의 초지지 보안용지(a)와 본 발명에 따른 도공지 보안용지(b)의 인쇄 후 망점 인쇄를 비교한 사진이며, 도 6은 종래의 초지지 보안용지(a)와 본 발명에 따른 도공지 보안용지(b)의 인쇄 후 베다인쇄를 비교한 사진으로서 위조방지 기능이 강화되었다.5 is a photograph comparing the printing after printing of the conventional paper support security paper (a) and the coated paper security paper (b) according to the present invention, Figure 6 is a conventional paper support security paper (a) and the present invention The anti-counterfeiting function was enhanced as a photograph comparing the Vedic printing after printing the coated paper security paper (b) according to the present invention.

이상에서와 같이, 본 발명에 따른 인쇄적성이 향상된 보안용지 제조공정의 바람직한 실시 예에 대해 살펴보기로 한다. As described above, the preferred embodiment of the security paper manufacturing process with improved printability according to the present invention will be described.

[제 1 실시 예]
: 초지지로 얻은 보안용지 위에 펄 안료: 40~90중량%와 펄 안료끼리 또는 펄과 초지원지가 접착할 수 있도록 접착제: 9.8~54중량%와 윤활제: 0.1~3중량%, 내수화제: 0.1~3중량%를 포함하는 농도 30~80% 범위의 도공액을 소정의 코터를 이용하여 양면 또는 편면에 도포하여 얻어지는 것을 특징으로 하는 인쇄적성이 향상된 보안용지를 제조할 수 있었다.
[제 2 실시 예]
: 제 1 실시 예에서 얻어진 결과물의 보안용지에 보안요소를 추가로 첨가하기 위하여 요철이 있는 엠보싱을 통과시켰다.[First Embodiment]
: Pearl pigment: 40-90% by weight on the paper obtained from papermaking paper, adhesives: 9.8-54% by weight, lubricant: 0.1-3% by weight, water-repellent agent: 0.1 It was possible to manufacture a security paper with improved printability, characterized in that the coating solution having a concentration range of 30 to 80% containing 3% by weight was applied to both sides or one side using a predetermined coater.
Second Embodiment
: Uneven embossing was passed in order to add a security element to the resultant security paper obtained in the first embodiment.

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상술한 바와 같이, 본 발명의 바람직한 실시 예에 대해 설명하였으나, 본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 기술적 범위 내에 포함된다 할 수 있다.As described above, although preferred embodiments of the present invention have been described, the present invention is not limited to the specific preferred embodiments described above, and the technical field to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Anyone of ordinary skill in the art can make various modifications, as well as such changes can be included within the technical scope of the claims.

이상에서와 같이 본 발명에 따르면, 보안용지를 제조할 경우 범용적으로 제조되는 초지 보안용지와 달리 도공작업과 엠보싱 등 추가 공정이 있어 보안용지 자체의 모방을 어렵게 함으로써 위변조를 예방할 수 있다. 또한 기존 초지지 보안용지에서는 어려웠던 다색 인쇄와 고화상의 인쇄제품을 얻을 수 있다. As described above, according to the present invention, there is an additional process such as coating work and embossing, unlike the papermaking security paper that is manufactured in general when the security paper is manufactured, thereby making it difficult to imitate the security paper itself, thereby preventing forgery and alteration. In addition, multi-color printing and high-resolution printing products, which were difficult with conventional paper-based security paper, can be obtained.

Claims (5)

삭제delete 초지지로 얻은 보안용지 위에 펄 안료: 40~90중량%와 펄 안료끼리 또는 펄과 초지원지가 접착할 수 있도록 접착제: 9.8~54중량%와 윤활제: 0.1~3중량%, 내수화제: 0.1~3중량%를 포함하는 농도 30~80% 범위의 도공액을 소정의 코터를 이용하여 양면 또는 편면에 도포하여 얻어지는 것을 특징으로 하는 인쇄적성이 향상된 보안용지 제조방법.Pearl pigment: 40-90% by weight, pearl pigment: 9.8-54% by weight, lubricant: 0.1-3% by weight, water-resistant: 0.1 ~ A printing paper with improved printability, characterized in that obtained by applying a coating solution in the range of 30 to 80% concentration containing 3% by weight on both sides or one side using a predetermined coater. 제 2 항에 있어서, 상기 결과물의 보안용지에 보안요소를 추가로 첨가하기 위하여 요철이 있는 엠보싱을 입히는 특징으로 하는 인쇄적성이 향상된 보안용지 제조방법.3. The method of claim 2, wherein embossing with irregularities is applied to add the security element to the resultant security paper. 삭제delete 삭제delete
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