KR200373257Y1 - A copying paper having color revelation property - Google Patents
A copying paper having color revelation property Download PDFInfo
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- KR200373257Y1 KR200373257Y1 KR20-2004-0032804U KR20040032804U KR200373257Y1 KR 200373257 Y1 KR200373257 Y1 KR 200373257Y1 KR 20040032804 U KR20040032804 U KR 20040032804U KR 200373257 Y1 KR200373257 Y1 KR 200373257Y1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/323—Organic colour formers, e.g. leuco dyes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3331—Macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3338—Inorganic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/337—Additives; Binders
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Color Printing (AREA)
Abstract
본 고안은 음현발색성 복사용지에 관한 것으로, 복사용지에 미리 소유자 표식을 인쇄하거나 직접 기입할 필요없이 복사기, 프린터 및 팩시밀리에 사용될 때 미리 인쇄되거나 도포된 발색액이 발현되어 소유자 표식이 편리하게 이루어지며, 평상시에는 일반용지로 사용될 수 있어 소유자 표식된 복사용지와 일반용지가 구분되어 사용될 필요가 없다. 이를 위해 발색제인 로이코 염료와, 상기 발색제를 발색시키는 현색제로 주석산, 몰식자산, 젖산, 활성백토, 비스페놀 에이, 살리실산, 살리실산 아연 중 선택된 1종과, 인쇄 및 도포를 원활히 하는 활제로 탄산칼슘, 크레이, 규조토, 산화규소, 아연화 중 선택된 1종과, 감도를 조절하는 증감제 또는 감감제와, 소포제와 분산제를 함유하는 초기 발색액과; 상기 초기 발색액과, 활제로 탄산칼슘, 결착제로 수용성 수지나 에멀젼바인더, 결착제 경화제로 글리옥살을 함유하는 최종 발색액을 일면에 인쇄되거나 도포하여 형성됨을 특징으로 한다.The present invention relates to a chromophoric copy paper, and when used in a copier, a printer, and a facsimile without the need to print or directly write the owner's mark on the copy paper, the owner's mark is conveniently made by expressing the pre-printed or applied coloring liquid. In general, it can be used as plain paper, so the owner-marked copy paper and plain paper do not need to be used separately. For this purpose, leuco dye, a color developing agent, and one selected from tartaric acid, malic acid, lactic acid, activated clay, bisphenol A, salicylic acid, and zinc salicylate as a color developing agent, and calcium carbonate, cray, An initial coloring liquid containing one selected from diatomaceous earth, silicon oxide, and zincation, a sensitizer or a sensitizer for adjusting sensitivity, an antifoaming agent, and a dispersant; The initial coloring solution, calcium carbonate as a lubricant, a water-soluble resin or emulsion binder as a binder, a final coloring solution containing glyoxal as a binder curing agent is characterized in that it is formed by printing or applying on one side.
Description
본 고안은 열에 의해 음현인쇄물이 발현되는 음현발색성 복사용지에 관한 것으로, 보다 상세하게는 복사용지의 일면에 발색액를 인쇄하거나 도포하여 복사, 프린트 및 팩스송부시에 기기의 열에 의해 발색되게 하므로 별도로 인쇄하거나 기입하지 않고 복사용지에 소유자 표식을 할 수 있는 음현발색성 복사용지에 관한 것이다.The present invention relates to a chromophoric color copying paper in which a phonographic print is expressed by heat, and more specifically, printing or applying a coloring solution on one side of the copying paper so that the color is generated by the heat of the device during copying, printing, and faxing. The present invention relates to a chromophoric copy paper that can be used to mark an owner of a copy paper with or without writing.
일반적으로 복사용지에 소유자 표식을 하는 것은 회사의 상업적인 선전 및 판촉효과를 위해 또는 각 부서명을 기록함으로서 복사용지의 소유책임을 명확히 하기 위해 행해진다.In general, owner labeling on copy paper is done for the company's commercial propaganda and promotional effects or to clarify the ownership of copy paper by recording the name of each department.
이를 위한 소유자 표식방법으로는 복사용지의 일면에 회사상호명, 소속기관명 및 부서명 등을 미리 인쇄해 두거나 사용자가 소유자 표식 내용을 별도로 기입하는 방법이 주로 사용되고 있다.As the owner marking method, a company name, affiliation name, department name, etc. are printed on one side of the copy paper in advance or the user writes the owner marking content separately.
그러나 이와 같은 방법은 복사용지에 회사상호명, 소속기관명 및 부서명을 미리 인쇄해 두어야 하고 사용자가 소유자 표식이 없는 일반용지를 사용하고자 할 때에는 이와 같은 복사용지를 사용할 수 없는 불편함이 있었으며, 또한 사용자가 복사용지에 소유자 표식을 별도로 기입할 경우에는 필요한 양만큼 직접 기입해야 하므로 소정의 시간이 소요되어 작업능률이 떨어지는 문제점이 있었다.However, this method requires that the company name, organization name, and department name must be printed on the copy paper in advance, and when the user wants to use plain paper without the owner mark, the user cannot use such copy paper. In the case of separately writing the owner mark on the copy paper, it is necessary to fill in as much as necessary, so that there is a problem in that work efficiency is reduced due to a predetermined time.
본 고안은 이러한 사정을 감안하여 개발된 것으로, 복사용지에 미리 소유자 표식을 인쇄하거나 직접 기입할 필요없이 복사기, 프린터 및 팩시밀리에 사용될 때 미리 인쇄되거나 도포된 발색액이 발현되어 소유자 표식이 편리하게 이루어지는 음현발색성 복사용지를 제공하는 것이다. 본 고안의 다른 목적은 평상시에는 일반용지로 사용될 수 있어 소유자 표식된 복사용지와 일반용지가 구분되어 사용될 필요가 없는 음현발색성 복사용지를 제공하는 것이다.The present invention was developed in view of the above circumstances, and it is convenient to make the owner mark by expressing the pre-printed or applied coloring liquid when used in the copier, printer, and facsimile, without having to print or write the owner mark on the copy paper beforehand. To provide a chromophoric copy paper. Another object of the present invention is to provide a chromophoric copying paper that can be used as a normal paper in normal, so that the owner-marked copying paper and the plain paper do not need to be used separately.
도 1은 본 고안의 음현발색성 복사용지의 사용상태도.1 is a state of use of the chromophoric copy paper of the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
10 : 복사용지 20 : 음현인쇄물10: copy paper 20: music prints
30 : 복사기30: copier
상기의 목적을 달성하기 위한 본 고안의 음현발색성 복사용지는 발색제인 로이코 염료와, 상기 발색제를 발색시키는 현색제로 주석산, 몰식자산, 젖산, 활성백토, 비스페놀 에이, 살리실산, 살리실산 아연 중 선택된 1종과, 인쇄 및 도포를 원활히 하는 활제로 탄산칼슘, 크레이, 규조토, 산화규소, 아연화 중 선택된 1종과, 감도를 조절하는 증감제 또는 감감제와, 소포제, 분산제를 함유하는 초기 발색액과; 상기 초기 발색액과, 활제로 탄산칼슘, 결착제로 수용성 수지나 에멀젼바인더, 결착제 경화제로 글리옥살을 함유하는 최종 발색액을 인쇄 및 도포하여 형성됨을 특징으로 한다.In order to achieve the above object, the chromophoric radiation paper of the present invention is a leuco dye which is a color developing agent, and one selected from tartaric acid, molar acid, lactic acid, activated clay, bisphenol A, salicylic acid and zinc salicylate as a color developing agent. An initial coloring liquid containing one selected from calcium carbonate, cray, diatomaceous earth, silicon oxide, and zincation, a sensitizer or sensitizer for adjusting sensitivity, an antifoaming agent, and a dispersant; It is characterized in that it is formed by printing and applying the initial coloring solution, the final coloring solution containing glyoxal as a water-soluble resin or emulsion binder, binder binder as a lubricant, calcium carbonate as a lubricant.
또한 상기 초기발색제는 발색제 15-25중량%, 현색제는 35-45중량%, 활제 15-25중량%, 증감제 또는 감감제는 10-20중량%, 소포제 및 분산제는 1-10중량%로 구성되며, 상기 최종 발색액은 초기 발색액 20-30중량%, 탄산칼슘 40-55중량%, 수용성 수지나 에멀젼바인더 20-35중량%, 글리옥살 1-5중량%의 비율로 구성됨을 특징으로 한다. 아울러 상기 최종 발색액에서는 초기 발색액과 활제의 함량이 조절됨으로서 발색농도와 발색온도가 자유롭게 조절되는 것을 특징으로 한다.In addition, the initial colorant is 15-25% by weight colorant, 35-45% by weight developer, 15-25% by weight lubricant, 10-20% by weight sensitizer or sensitizer, 1-10% by weight antifoaming agent and dispersant The final colorant is composed of the ratio of the initial colorant 20-30% by weight, calcium carbonate 40-55% by weight, water-soluble resin or emulsion binder 20-35% by weight, glyoxal 1-5% by weight do. In addition, the final colorant is characterized in that the colorant concentration and colorant temperature are freely controlled by controlling the content of the initial colorant and the lubricant.
본 고안의 음현발색성 복사용지에 인쇄되거나 도포되는 최종 발색액은 통상 무색이나 현색제에 의해 발색하는 전자공여성의 발색제와, 전자수용성의 현색제와, 인쇄 및 도포를 원활히 하는 활제와, 발색온도를 조절하여 감도를 조절하는 증감제 또는 감감제와, 기포를 제거하는 소포제 및 분산제를 함유하는 초기 발색액과, 감도를 조절하는 활제로는 탄산칼슘, 초기 발색액을 결착시키는 결착제로는 수용성 수지나 에멀젼바인더, 결착제 경화제로는 글리옥살을 포함하여 구성된다.The final colorant to be printed or applied to the chromophoric copying paper of the present invention is an electron donor colorant that is usually developed by colorless or developer, an electron-soluble colorant, a lubricant that facilitates printing and application, and a color temperature. An initial coloring solution containing a sensitizer or a sensitizer to adjust the sensitivity to adjust the sensitivity, an antifoaming agent and a dispersing agent to remove air bubbles, and a calcium carbonate and a binder to bind the initial coloring solution as a lubricant to adjust the sensitivity are water-soluble resins or The emulsion binder and the binder hardener include glyoxal.
이와 같이 조제된 최종 발색액을 복사용지의 일면에 전체 고형분의 농도가약 20%정도 되도록 도포하여 5-8g/㎡정도의 음현인쇄물(20)을 형성하는 음현발색용 복사용지를 제조한다.The final coloring solution prepared as described above is coated on one surface of the copy paper so that the concentration of the total solids is about 20% to produce a copy paper for color development, which forms a 5-8 g / m 2 about the printed material 20.
본 고안의 발색제는 감압복사지, 감열지, 감온색소 등에 널리 사용되는 전자공여성의 로이코(Leuco) 염료로서 평상시에는 무색이지만 현색제의 사용에 의하여 다양한 색상으로 발색되는 락톤 링(Lactone Ring)을 가지며 락톤 링의 개폐에 의해 발색 또는 소색되게 된다.The color developing agent of the present invention is an electron donor Leuco dye widely used in decompression paper, thermal paper, thermal dye, etc. It is usually colorless but has a lactone ring that is colored in various colors by the use of a colorant and has a lactone ring It becomes colored or discolored by opening and closing of.
즉 도 1에서 보는 바와 같이, 본 고안의 복사기(30)에 의해 복사용지(10)에 음현인쇄물(20)이 발현되는 원리는 로이코 염료와 상온에서 고체로 존재하는 현색제가 복사기(30)의 열에 의해 용융반응함으로서 복사용지(10)에 미리 인쇄되거나 도포된 소유자 표식인 음현인쇄물(20)이 발색되게 되는 것이다.In other words, as shown in Figure 1, the principle that the expression print 20 on the copy paper 10 by the copier 30 of the present invention is a leuco dye and a color developer present as a solid at room temperature in the heat of the copier 30 As a result of the melting reaction, the tone print 20, which is an owner mark pre-printed or applied to the copy paper 10, is developed.
이와 같은 로이코 염료의 예로는 3,3-디부틸아미노-6-메틸-7-아닐리노플루오란(흑색), 3,3-디에틸아미노-6-메틸-7-아닐리노플루오란(흑색), 3-사이클로헥실 메틸아미노-6-메틸-7-아닐리노플루오란(흑색), 3,3-디에틸아미노-벤조(아)-플루오란(적색), 3,3-디에틸아미노-7-클로로플루오란(적색), 1,3-디메틸-6-디에틸아미노 플루오란(황색), 3,3-디에틸아미노-6-메틸-7-클로로플루오란(적색), 3,3-디에틸아미노-7-디벤조일아미노 플루오란(녹색), 크리스탈 바이올렛 락톤(청색) 등을 들 수 있다.Examples of such leuco dyes include 3,3-dibutylamino-6-methyl-7-anilinofluorane (black), 3,3-diethylamino-6-methyl-7-anilinofluorane (black) , 3-cyclohexyl methylamino-6-methyl-7-anilinofluorane (black), 3,3-diethylamino-benzo (a) -fluorane (red), 3,3-diethylamino-7 -Chlorofluorane (red), 1,3-dimethyl-6-diethylamino fluorane (yellow), 3,3-diethylamino-6-methyl-7-chlorofluoran (red), 3,3- Diethylamino-7-dibenzoylamino fluorane (green), crystal violet lactone (blue) and the like.
그리고 현색제는 기록상태에서 발색제의 락톤 링을 열리게 하여 발색되도록 하는 것으로 구연산, 주석산, 몰식자산, 젖산, 활성백토, 비스페놀 에이(BPA), 살리실산, 살리실산 아연 등이 사용되며, 그 용도에 따라 지용성과 수용성 중 어느것으로의 사용도 무방하다.The colorant is used to open the lactone ring of the colorant in the recording state so that the colorant is developed. Citric acid, tartaric acid, molar acid, lactic acid, activated clay, bisphenol A (BPA), salicylic acid and zinc salicylate are used. It may be used as either water soluble.
본 고안에서 사용되는 현색제의 보다 구체적인 예로는 비스페놀 에이, 비스페놀 에스, 비스페놀 에프, 갈릭산, 살리실산, 젖산, 타르트르산, 시트릭산, 발레릭산, 피-하이드록시-벤질 벤조산, 4-하이드록시-4'-이소프로폭시 디페닐 설폰 등을 들 수 있다.More specific examples of the developer used in the present invention include bisphenol A, bisphenol S, bisphenol F, gallic acid, salicylic acid, lactic acid, tartric acid, citric acid, valeric acid, py-hydroxy-benzyl benzoic acid, 4-hydroxy- 4'-isopropoxy diphenyl sulfone etc. are mentioned.
또한 활제는 복사용지에 최종 발색액을 인쇄 및 도포시에 균일성 부여, 부착방지, 색상희석의 역할을 하는 것으로 탄산칼슘, 크레이, 규조토, 산화규소, 아연화 등이 사용된다.In addition, the lubricant is used to give uniformity, prevent adhesion, and dilute color when printing and applying the final colorant to the copy paper, and calcium carbonate, cray, diatomaceous earth, silicon oxide, and zincation are used.
그리고 증감제와 감감제는 필요온도에 따라 현색제의 발색온도를 저하 또는 상승시켜 감도를 조절하는 역할을 하는데, 특히 증감제는 발색온도를 저하시켜 현색제 단독사용시 보존성은 좋으나 통상감도가 부족한 점을 보강하게 된다.In addition, the sensitizer and the sensitizer play a role of controlling the sensitivity by lowering or raising the color development temperature of the color developer according to the required temperature. In particular, the sensitizer lowers the color temperature and thus has good preservation when using the color developer alone, but lacks general sensitivity. Will be reinforced.
이와 같은 증감제로는 벤질옥시나프탈렌, 파라벤질비페닐 등이 사용되며, 감감제로는 각종 아민류 화합물, 활제 등이 사용된다. 이때 상기 증감제의 보다 구체적인 예로는 벤질-옥시-나프탈렌(BON), 1-하이드록시-2-나프토에산 페닐 에스테르(HNP), 피-벤질-비-페닐(PBBP), 디벤질 테레프탈레이트(DBT), 디-페닐 카보네이트(ST-280), 피-니트로-메틸 벤조에이트(PNB), 벤질-피-니트로 벤조에이트(BPN) 등을 들 수 있다.Benzyloxynaphthalene, parabenzyl biphenyl, etc. are used as such a sensitizer, and various amine compounds, a lubricating agent, etc. are used as a sensitizer. At this time, more specific examples of the sensitizer include benzyl-oxy-naphthalene (BON), 1-hydroxy-2-naphthoic acid phenyl ester (HNP), pi-benzyl-bi-phenyl (PBBP), dibenzyl terephthalate (DBT), di-phenyl carbonate (ST-280), pi-nitro-methyl benzoate (PNB), benzyl-pi-nitro benzoate (BPN), etc. are mentioned.
아울러 결착제는 기록후 마찰 등에 의한 기록문자의 탈락을 방지함으로서 화상안정성을 향상시키는 역할을 하는 것으로, 그 예로는 수용성 수지나 에멀젼바인더를 들 수 있으며 더욱 바람직하게는 각종 아크릴에멀존, 피브이에이(PVA), 전분카제인 합성 셀루로스 등이 사용된다.In addition, the binder serves to improve the image stability by preventing the falling off of the recording characters due to friction after recording, and examples thereof include water-soluble resins and emulsion binders, and more preferably, various acrylic emulsion zones, fibres (PVA), synthetic cellulose which is a starch case, etc. are used.
본 고안에 따른 최종 발색액의 제조방법을 아래와 같이 설명한다.The preparation method of the final coloring solution according to the present invention is described below.
우선 본 고안의 조성을 구성하는 원료를 칭량한 후 평균입경이 1-5㎛가 되도록 분쇄하여 분산시킨 30% 고형분의 발색제 15-25중량%, 현색제 35-45중량%, 50% 고형분의 활제 15-25중량%, 10% 고형분의 증감제 또는 감감제 10-20중량%, 소포제 및 분산제 1-10중량%를 배합하여 초기 발색액을 조제한다.First, the raw material constituting the composition of the present invention was weighed, and then 15-25% by weight of a color developer of 30% solids, 35-45% by weight of a colorant, and 50% solids of lubricant, which were pulverized and dispersed to have an average particle diameter of 1-5 μm. An initial coloring solution is prepared by combining -25 wt%, 10% solids sensitizer or 10-20 wt% sensitizer, antifoaming agent and dispersant 1-10 wt%.
그리고 이와 같이 조제된 초기 발색액 20-30중량%, 활제로는 50% 물분산형 탄산칼슘 40-55중량%, 결착제로는 수용성 수지나 에멀젼바인더 10% 수용액 20-35중량%, 결착제 경화제로는 40% 글리옥살 1-5중량%를 배합하여 최종 발색액을 조제한다.20-30% by weight of the initial colorant prepared in this way, 40-55% by weight of 50% water dispersion type calcium carbonate as lubricant, 20-35% by weight of 10% aqueous solution of water-soluble resin or emulsion binder as binder, and binder hardener. 1% by weight of 40% glyoxal to prepare a final colorant.
이하, 실시예 및 비교예를 들어 본 고안을 더 구체적으로 설명한다.Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples.
(단위 : 중량%)(Unit: weight%)
상기의 각 실시예, 비교예에 따라 제조된 음현발색용 복사용지의 성능시험결과를 표 1에 나타내었다.Table 1 shows the performance test results of copy paper for color development according to the above Examples and Comparative Examples.
Ｏ: 좋음 △: 보통 ×: 나쁨O: Good △: Normal ×: Poor
상기의 성능시험에서 실시예 1을 음현발색되기에 적합한 발색농도와 감도를 가지는 표준배합비율로 볼 때, 실시예 2는 초기 발색액의 함량이 적고 활제인 탄산칼슘의 함량이 많으므로, 실시예 1보다 발색농도가 흐리고 발색온도는 높아져 감도가 낮게 나타났다.In the above performance test, when Example 1 is regarded as a standard blending ratio having color development concentration and sensitivity suitable for color development, Example 2 has a low content of initial coloring solution and a large amount of calcium carbonate as a lubricant. Color sensitivity was lower than 1 and color temperature was high, resulting in low sensitivity.
또한 실시예 3은 실시예 1보다 초기 발색액의 함량이 많고 활제인 탄산칼슘의 함량이 적으며 결착제인 피브이에이와 결착제 경화제인 글리옥살의 함량이 적으므로, 실시예 1보다 발색농도가 짙고 발색온도는 낮아져 감도가 높으며 발색화상의 내수성은 낮게 나타났다.In addition, in Example 3, since the content of the initial coloring solution is higher than that of Example 1, the content of the calcium carbonate as the lubricant is smaller, and the content of the fibroid as the binder and the glyoxal as the binder curing agent is smaller, the color concentration is higher than that in Example 1. The color was dark and the color temperature was low, so the sensitivity was high and the water resistance of the color image was low.
한편 비교예 1은 상기 실시예들과 비교해 볼 때, 초기 발색액의 함량은 발색가능한 정도이나 활제인 탄산칼슘의 함량이 과다하여 발색온도가 높아져 감도가 매우 낮으며, 결착제 경화제가 없으므로 발색화상의 내수성이 매우 낮게 나타났다.On the other hand, Comparative Example 1 compared with the above examples, the content of the initial coloring solution is enough to develop color, but the content of the calcium carbonate as a lubricant is too high the color development temperature is very low sensitivity, there is no binder curing agent, the color image Showed very low water resistance.
이와 같은 배합비율 차이를 가지는 실시예들은 사용시의 용도 및 목적에 따라 다양하게 선택하여 사용될 수 있다.Embodiments having such a compounding ratio difference may be variously selected and used depending on the purpose and purpose of use.
이와 같이 이루어지는 본 고안의 음현발색용 복사용지에 의하면, 복사용지 일면에 음현인쇄물이 형성되어 사용자가 미리 인쇄하거나 기입할 필요없이 복사용지를 복사기, 프린터 및 팩시밀리에 사용할 때 소유자 표식인 음현인쇄물이 발현되어 편리하게 소유자 표식이 이루어질 수 있고, 평상시에는 일반용지로 사용될 수 있어 복사용지를 구분하여 사용할 필요가 없으므로 업무능률을 향상시킬 수 있는 등의 많은 효과가 제공될 수 있다.According to the copy paper for color development of the present invention, a sound label is formed on one side of the copy paper so that the user can use the copy paper on the copier, printer, and facsimile without the user having to print or fill in advance. It can be conveniently made of the owner mark, can be used as a normal paper in normal use, so there is no need to use a separate copy paper can be provided a lot of effects, such as to improve the work efficiency.
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| Application Number | Priority Date | Filing Date | Title |
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| KR20-2004-0032804U KR200373257Y1 (en) | 2004-11-19 | 2004-11-19 | A copying paper having color revelation property |
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| KR1020020009904A Division KR20030070379A (en) | 2002-02-25 | 2002-02-25 | A copying paper having color revelation property |
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