KR930024048A - Reprocessing method of latex phosphor - Google Patents

Reprocessing method of latex phosphor Download PDF

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Publication number
KR930024048A
KR930024048A KR1019920008005A KR920008005A KR930024048A KR 930024048 A KR930024048 A KR 930024048A KR 1019920008005 A KR1019920008005 A KR 1019920008005A KR 920008005 A KR920008005 A KR 920008005A KR 930024048 A KR930024048 A KR 930024048A
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KR
South Korea
Prior art keywords
phosphor
pigment
pure water
latex
treated
Prior art date
Application number
KR1019920008005A
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Korean (ko)
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KR950006096B1 (en
Inventor
이재기
Original Assignee
이헌조
주식회사 금성사
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Priority to KR1019920008005A priority Critical patent/KR950006096B1/en
Publication of KR930024048A publication Critical patent/KR930024048A/en
Application granted granted Critical
Publication of KR950006096B1 publication Critical patent/KR950006096B1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Abstract

본 발명은 칼라브라운관 제작시 현상공정에서 회수되는 형광체에 포함되는 각종 이물질을 용이하게 제거하여 재사용할 수 있도록 하기 위한 것으로, 칼라브라운관 도포공정에서 제거되는 미노광부분의 형광체를 회수하여 순수에 분산하는 형광체 분산공정(1)과, 상기 분산되는 형광체를 여과(2)하여 소성하는 소성공정(3)과, 상기 소성되는 형광체를 분산시킨 후 (4)에 가성소다와 차아염소산 칼슘을 투입하여 처리하는 공정(5)과, 상기 처리되는 형광체를 순수 세척한 후 (6)에 산으로 처리하는 산처리공정(7)과, 상기 산처리되는 형광체에 순수를 주입하여 세척하는 순수세척공정(8)과, 상기 세척되는 형광체에 안료를 부착하는 안료부착공정(9)으로 구성됨을 특징으로 하는 라텍스 형광체의 재가공방법이다.The present invention is to facilitate the removal and reuse of various foreign matter contained in the phosphor recovered in the development process during the production of color CRT, recovering the phosphor of the unexposed portion removed in the color CRT application process to disperse in pure water Phosphor dispersing step (1), calcining step (3) in which the dispersed phosphor is filtered and calcined (2), and caustic soda and calcium hypochlorite are added and treated in (4) after the calcined phosphor is dispersed. Step (5), an acid treatment step (7) of treating the phosphor to be treated with an acid followed by pure washing, and a pure washing step (8) of injecting pure water into the acid-treated phosphor and washing; It is a reprocessing method of the latex phosphor, characterized in that consisting of a pigment attachment step (9) for attaching the pigment to the phosphor to be washed.

Description

라텍스 형광체의 재가공방법Reprocessing method of latex phosphor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 라텍스 형광체의 재가공방법을 나타내는 공정도.1 is a process chart showing a reprocessing method of the latex phosphor of the present invention.

Claims (5)

칼라브라운관 도포공정에서 제거되는 미노광부분의 형광체를 회수하여 순수에 분산하는 형광체 분산공정(1)고, 상기 분산되는 형광체를 여과(2)하여 소성하는 소성공정(3)과, 상기 소성되는 형광체를 분산시킨 수 (4)에 가성소다와 차아염소산 칼슘을 투입하여 처리하는 공정(5)과, 상기 처리되는 형광체를 순수세척한 후 (6)에 산으로 처리하는 산처리공정(7)과, 상기 산처리되는 형광체에 순수를 주입하여 세척하는 순수세척공정(8)과, 상기 세척되는 형광체에 안료를 부착하는 안료부착공정(9)으로 구성됨을 특징으로 하는 라텍스 형광체의 재가공방법.A phosphor dispersing step (1) for recovering the fluorescent substance in the unexposed part removed in the color-brown tube coating step and dispersing it in pure water, and a firing step (3) for filtering and dispersing the dispersed phosphor (2), and the fired phosphor (5) a step of adding caustic soda and calcium hypochlorite to water (4) in which is dispersed, an acid treatment step (7) of treating the treated phosphor with an acid followed by pure water washing (6), And a pure water washing step (8) for injecting and washing pure water into the acid-treated phosphor, and a pigment attaching step (9) for attaching a pigment to the washed phosphor. 제1항에 있어서, 상기 소성공정은 형광체를 약 380-480℃정도에서 가열함을 특징으로 하는 라텍스 형광체의 재가공방법.The method according to claim 1, wherein the firing process heats the phosphor at about 380-480 ° C. 제1항에 있어서, 상기 가성소다. 차아염소산 칼슘처리공정은 형광체의 중량에 대하여 0.6-14.0중량%의 알카라인 가성소다와 1.2-8.0중량%의 차아염소산 칼슘을 투입하여 처리함을 특징으로 하는 라텍스 형광체의 재가공방법.The method of claim 1, wherein the caustic. The calcium hypochlorite treatment step is a reprocessing method of the latex phosphor, characterized in that the treatment by adding 0.6-14.0% alkaline caustic soda and 1.2-8.0% by weight calcium hypochlorite relative to the weight of the phosphor. 제1항에 있어서, 상기 안료부착공정은 약 0.03-0.25중량%의 라텍스와 약 0.05-3.5중략%의 안료를 투입함을 특징으로 하는 라텍스 형광체의 재가공방법.2. The method of claim 1, wherein the pigment attaching process comprises adding about 0.03-0.25% by weight of latex and about 0.05-3.5% by weight of pigment. 제1항에 있어서, 상기 건조공정은 가열온도를 약 110-160℃가 되도록 하여, 안료가 견고하게 결합되도록함을 특징으로 하는 라텍스 형광체의 재가공방법.The method of claim 1, wherein the drying step is a heating temperature of about 110-160 ℃, the pigments are firmly bonded, characterized in that the processing of the latex phosphor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920008005A 1992-05-12 1992-05-12 Method of re-treatment of latex fluorescent material KR950006096B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920008005A KR950006096B1 (en) 1992-05-12 1992-05-12 Method of re-treatment of latex fluorescent material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920008005A KR950006096B1 (en) 1992-05-12 1992-05-12 Method of re-treatment of latex fluorescent material

Publications (2)

Publication Number Publication Date
KR930024048A true KR930024048A (en) 1993-12-21
KR950006096B1 KR950006096B1 (en) 1995-06-08

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KR1019920008005A KR950006096B1 (en) 1992-05-12 1992-05-12 Method of re-treatment of latex fluorescent material

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KR950006096B1 (en) 1995-06-08

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