baber/WOPTO huggingface dataset:
Patent KR-20010092176-A (KR)
Title: Method for educating a language, method for emboding the same using a internet and system for emboding the same
Inventor: RHEE DONG ICK
Filed: 2000-03-21
Abstract: PURPOSE: A method for learning a language and a method for implementing the learning method using the internet and a system therefor are provided to attempt a language learning and offer a visible result of the learning by using a learning server through the internet. CONSTITUTION: A learner connects to a learning server and performs a log-in process(L2). The learner selects a learning language and selects a word or a sentence to be learned(L4). If the learner pronounces the selected sentence, a learner(client) transmits the mouth shape of the learner photographed by a camera to a language learning server through the internet(L6). The language learning server stores the voice and shape in a member audio database and a member video database(L8). A web control unit controls an output wave of the voice for a frequency analysis, and an intonation analyzing unit and a rhythm analyzing unit control the intonation and the rhythm of the selected sentence(L10). The web control unit analyzes the frequency of the original voice and compares the frequency with the pronunciation, the intonation, the rhythm analyzing result of the selected sentence(L12). The compared result is managed as learning contents and the web control unit updates a learning history database(L14). Thus, the learner may correct one's pronunciation, an intonation, and a rhythm(L16).
Patent KR-20010094393-A (KR)
Title: Control link for motor vehicle
Inventor: JANG SE HYEON
IPC: B60G3/00
Filed: 2000-03-30
Abstract: PURPOSE: A vehicle control link is provided to freely carry out the steering for parking in a narrow place or in a place requiring large-scaled steering by rotating a connection shaft of an upper or lower link part coupled with a connection rod by a ball joint with respect to a center shaft of the connection rod. CONSTITUTION: A vehicle control link for controlling the movement of a vehicle includes an upper link part(110) and a lower link part(120) respectively connected to upper and lower shafts by ball joints(130), and a connection rod(150) formed with ball joint receiving parts(180) inside to be coupled with connection shafts(170) having ball joints(160) of the upper and lower links, so that connection shafts are connected to the ball joint receiving parts in the connection rod via the ball joints, and the connection shafts become to rotate with respect to a center shaft of the connection rod in case of steering.
Patent KR-20000036888-A (KR)
Inventor: HAN YONG HO
IPC: B29D19/00
Filed: 2000-03-31
Abstract: PURPOSE: A method for producing a button is provided to vary the color of the button by coating urethane paint, which contains acryl resin and isocyanate as main ingredients, to coat a transparent paint. CONSTITUTION: A synthetic resin button(10) is cleaned by using washing water for eliminating oil and foreign material. The button is massaged by using electrostatic discharge preventing agent. Then, fixing pins of a jig are inserted to button holes(12) of the button for preparing coating on the button. A urethane paint containing acryl resin and isocyanate as main ingredients is sprayed on the button for being dried at a temperature of 40-60°C for 45-55 minutes. And, the button is massaged by using the electrostatic discharge preventing agent. The fixing pins of the jig are inserted to the button holes of the button. A transparent paint(16) is sprayed on the surface of the urethane paint. The button is dried at the temperature of 40°C for 20 minutes for a first time and at the temperature of 70°C for 20 minutes for a second time.
Patent KR-20010090980-A (KR)
Title: The herb medicine abstraction machine of water and air cooling device
Inventor: YOUN TAE MOON
IPC: A47J31/00
Filed: 2000-04-08
Abstract: PURPOSE: A medical herb extractor using both water- and air-cooling distilling cycles is provided to condense steam effectively by using a cycle of condensing the steam generated from medical herb extract with cooling water to circulate the steam to a medical herb extractor again and flowing the heated cooling water via a heat exchanger to circulate the cooled water again. CONSTITUTION: A cooling water tub(20) is formed under a support case(10), and a control box(30) is mounted on the cooling water tub by a support member(31). The control box includes a heat exchanger(50) for exchanging heat between cooling water and external air by circulating the external air forcibly with a fan motor(55), and a condenser(40) having the dual pipe structure of an inner pipe(41) and an outer pipe(42) available for heat exchange with forcibly circulated cooling water. The outer pipe of the condenser is connected with a couple of circulating pipes(49) communicated with a cap(12) and a medical herb discharge port(14) respectively. The inner pipe has a side connected to a flow pipe(22) coupled with a water pump(21) in the cooling water tub and the other side joined with a connecting pipe(51) coupled to the heat exchanger. The heat exchanger is communicated with the cooling water tub through a reflow pipe(52) on the other side. If the water pump is out of order, the cooling water does not flow into the inner pipe of the condenser. The flowing vapor from medical herb extract is not liquefied, and most of the steam is discharged through an orifice(46) of a support cap(45). A user checks the broken pump through the discharged steam. Therefore, the user takes prompt action on the broken pump.
Patent KR-20000053780-A (KR)
Title: Method of wire rolling and rolling mill
Inventor: TATAHIRO NAKASE
IPC: B21B37/16
Filed: 2000-04-10
Abstract: PURPOSE: A method of wire rolling and a rolling mill are provided to produce wires of various diameters from a circular rod of a single diameter without replacing a block mill roller needing much effort and time. CONSTITUTION: A roller of a block mill(BM) is divided into a front roller group and a rear roller group. The front and rear roller groups are used integrally or simply the front roller group is used by passing through the rear roller group by a dummy pass(DP1). The mill includes at least one of guides for bypassing a material to be rolled. The mill has another dummy pass(DP2) to retract from a pass line. A sizing mill is composed of multiple roller sets. At least one of the roller sets is available for the retraction from the pass line. The combination of a used roller and an unused roller is selected to enable the production of wires of various diameters from a circular rod of a single diameter.
Patent KR-20010029643-A (KR)
Title: Security system and method by telephone
Inventor: PARK BOUNG SUK
IPC: H04M11/04
Filed: 2000-04-14
Abstract: PURPOSE: A system and a method for security using a wired telephone set are provided to process security and emergency situations, and supply the information in the spot, by using a wireless sensor and a main device part that includes a telephone circuit part. CONSTITUTION: A main processor(11) includes a line switch monitoring part(104), an emergency report telephone number storing part(105), an emergency message storing part(106) and a data control part(107). The main processor(11) further includes an emergency processor(109), a function controller(112) and an emergency warning sound instruction part(115). A wireless sensor part(12) includes a gas detection sensor(121), a fire detection sensor(122) and an invader detection sensor(123). An external warning device(13) receives the radio signal for instructing the generation of a warning sound from the part(115), and then outputs the warning sound for a certain time. A remote control part(14) processes the function of the function controller(112) remotely.
Patent KR-20010096886-A (KR)
Title: 헤드 마운트 디스플레이용 광학 시스템
Inventor: PARK JONG BAE
IPC: H04N5/64
Filed: 2000-04-15
Abstract: 본 발명은 두 눈에 근접하는 액정 스크린을 통하여 입체영상을 볼 수 있도록 구성된 헤드 마운트 디스플레이에 관한 것이다. 
     본 발명은 광원과; 상기 광원의 광선을 확산시키는 반사판과; 상기 반사판으로부터 확산되는 광선에 의해 화상을 표시하는 반사형 액정 스크린과; 상기 반사판의 전방에 배치되어 상기 액정 스크린의 화상을 확대시키는 자유곡면프리즘을 포함하는 것을 특징으로 한다. 특히, 상기 광원은 발광 다이오드이며, 상기 반사판은 왜곡수차를 보정하도록 비구면을 형성한 것을 특징으로 한다. 이러한 본 발명은 가격이 저렴하고 고화소를 갖는 반사형 액정을 사용함으로써, 제작비용을 절감시킬 수 있는 효과를 갖는다. 특히, 발광다이오드와, 상기 발광 다이오드에서 발생되는 광선을 확산시키는 반사판을 구비함으로써 광효율을 높일 수 있다는 장점을 갖는다.
Patent KR-20010097206-A (KR)
Inventor: KIM BYEONG JIN
IPC: G11B7/007
Filed: 2000-04-20
Abstract: 본 발명은, 고밀도 광 기록매체의 재생제어정보 기록 및 재생방법에 관한 것으로, 스틸재생 또는 변속재생을 위한 재생제어정보를, 비디오 또는 오디오가 기록되는 기본 단위인 팩으로 구성하는 1단계; 및 상기 팩 단위로 구성된 재생제어정보를, 동영상 데이터가 논리 구획되어 기록된 영역에 간헐적으로 삽입 기록하는 2단계를 포함하여 이루어져, 고밀도 디브이디와 같은 광 기록매체에 기록 저장된 데이터를 독출하여, 정지영상 출력과 같은 스틸 재생동작이 수행되도록 하거나, 또는 영상 스캔(Scan)을 통한 변속 재생동작이 수행되도록 하기 위한 실시간 네비게이션 데이터 팩(RN_PCK)을 정의 및 구성함과 아울러, 상기 스틸재생 또는 변속재생에 대응되는 영상 데이터가 논리 구획된 기록단위체의 전단에 부가 기록함으로써, 스틸재생 또는 변속재생 요청시, 이를 검색 확인하여 정상적인 스틸 재생 또는 변속 재생동작이 수행되도록 하는 매우 유용한 발명인 것이다.
Patent KR-20010096401-A (KR)
Title: A tunnel steel materials mold concrete operation equipment
Inventor: KIM YOON DO
IPC: E21D11/10
Filed: 2000-04-21
Abstract: PURPOSE: A steel form concrete placer for a tunnel is provided to reduce the quantity of the required material and construction expenses by minimizing the rate of rebounds of the remaining concrete in a concrete transferring pipe after placing concrete completely. CONSTITUTION: A steel form concrete placer for a tunnel for installing many steel forms formed in a tunnel by a concrete pump car(200) after boring a tunnel, then placing concrete to the steel forms successively, comprises the steps of connecting a concrete pump car(200), equipped with a concrete pump pipe(230) connected from one side of a hopper(210) to be installed continuously to the rear along one side of the concrete pump car(200), a connection pipe connected vertically to the end of the concrete pump pipe(230), a moving unit(250) on an end of the connection pipe to be movable from side to side and a boom(240) connected to the moving unit(250), to a concrete transfer pipe(220) continuously in a line from the end of the boom(240) of the concrete pump car(200) successively to be fixed to a placing hole formed on the lower end of the upper end of steel forms, interposing the concrete transfer pipe(220) and a hose(224) to the placing hole by a connector(260) to the place hole of each steel form and placing concrete.
Patent KR-20000071785-A (KR)
Title: 비가역 회로 소자 및 통신 장치
IPC: H01P1/387
Filed: 2000-04-22
Abstract: 본 발명의 비가역 회로 소자는, 영구 자석; 상기 영구 자석에 의하여 직류 자계가 인가되는 페라이트; 상기 페라이트의 제 1 주면으로부터 상기 페라이트의 측면을 거쳐서 상기 페라이트의 제 2 주면으로 연장되는 복수의 중심 전극; 상기 페라이트의 제 2 주면측에 배치되며, 상기 복수의 중심 전극에 전기적으로 접속되는 접지판; 및 상기 접지판과 상기 복수의 중심 전극의 포트부 사이에 각각 전기적으로 접속되는 복수의 정합용 커패시터로서, 그 주면에 전극이 형성된 복수의 정합용 커패시터;를 포함하며, 상기 정합용 커패시터 중의 적어도 하나의 정합용 커패시터는, 커패시터 전극면 및 페라이트가 60도 내지 120도의 각도를 이루도록 배치된다.
Patent KR-20010100518-A (KR)
Inventor: KANG SEONG WON
Filed: 2000-05-03
Abstract: 본 발명은 화상이 디스플레이되는 무선 단말기를 이용한 원격 모니터링 장치 및 방법에 관한 것으로, 적어도 화상입력부, 네트웍 접속부 및 제어부를 구비하며, 제어부는 화상정보 요구 신호가 있으면 화상정보 요구 신호와 함께 입력된 사용자 구별정보를 상기 화상입력부로부터 입력되는 화상정보와 함께 네트웍 접속부를 통해 네트웍으로 전송하는 휴대형 모니터링 단말기; 모니터링 단말기로 화상정보 요구 신호와 사용자 구별정보를 전송하고, 입력되는 화상정보를 디스플레이하는 무선 단말기; 및 휴대형 모니터링 단말기로부터 전송되는 화상정보를 저장하고, 저장이 완료되면 전송받은 사용자 구별정보에 해당하는 무선 단말기로 화상정보를 전송하는 화상정보 제공 서버를 포함함을 특징으로한다. 
     본 발명이 따르면, 화상이 디스플레이되는 무선 단말기를 이용하여 이동중에도 화상으로 원격지를 모니터링할 수 있다. 또한, 곧바로 화상정보를 확인할 수 없는 상황인 경우 특정 전화번호를 통해 예약함으로써 원하는 시점의 화상정보를 저장하고, 추후에 저장된 화상정보를 제공받을 수 있다.
Patent KR-20010100733-A (KR)
Title: 홍삼동충 기력보 제조방법
Inventor: PARK TAE WOONG
Filed: 2000-05-06
Abstract: 홍삼동충 기력보의 주원료인 누에동충하초버섯, 누에, 아가리쿠스버섯, 가시오가피, 영지버섯, 당귀, 대추를 원료 각각의 물성을 고려하여 추출탱크에 배합비율에의거 투입한후 1차로 121도C에서 15분간 멸균하여 원료에 잔존하는 유해균을 멸균한후 2차로 90도C에서 저온상태로 약 5시간 추출하여 최상급의 추출물을 만든후 홍삼을 1차, 2차, 3차 추출하고 농축한 규격에 적합한 진액을 적량 투입하여 위생용기에 무균 포장하여 우수한 효능의 제품을 만든다. 
     제조공정 : 1. 원료선별 및 세척 - 2. 홍삼 엑기스추출 및 농축 - 3.누에동충하초. 누에. 아가리쿠스버섯. 가시오가피. 영지버섯. 당귀. 대추엑기스 추출 - 4.추출물 배합 및 교반 - 5.레토로토 파우치에 주입 - 6.급냉 살균 - 7.포장 - 8. 검사 - 9. 완성품
Patent KR-20010105012-A (KR)
Inventor: HWANG SANG YONG
Filed: 2000-05-18
Abstract: 본 발명은 인터넷에 접속된 사용자 컴퓨터를 포함한 골프 스윙 비교 분석 비쥬얼 시스템으로서, 디지털 카메라로 촬영하여 생성된 골프 스윙 동영상 데이터를 장면별로 소정 갯수만큼 분할하고, 분할된 골프 스윙 동영상 데이터를 미리 기억된 기본 스윙 자세의 영상 데이터와 함께 수치적으로 비교 분석하여 생성한 개인 스윙 분석 데이터를 전자 출판의 형태로 편집하여, 상기 인터넷을 통해 사용자 컴퓨터에 제공하는 웹서버를 구비하는 것을 특징으로 한다. 
     이러한 본 발명에 의하면, 사용자는 인터넷을 통해 상기 시스템에 접속하고 상기 시스템상에서 제공하는 개인 스윙 분석 데이터를 다운로드하여 실행하면, 전자 출판의 형태로 편집되어 비교 분석된 자신의 스윙 자세를 볼 수 있기 때문에, 공간적 및 시간적 제한없이 경제적으로 저렴하게 자신의 골프 스윙 자세를 교정받을 수 있게 되는 효과가 있다.
Patent KR-20020001924-A (KR)
Title: Manufacture of polyester warp knitted fabric
Inventor: LEE SU BOK
IPC: D04B21/12
Filed: 2000-06-08
Abstract: PURPOSE: A process of preparing the titled warp knit fabric having excellent shrinkability, and wash, sublimation and light fastness is provided by alternating knitting of a polytrimethylene terephthalate multifilament yarn and spandex. Whereby, the product can be used as a swimming suit or sportswear. CONSTITUTION: A polytrimethylene terephthalate(PTT) multifilament yarn and a spandex yarn are subjected to alternating knitting in a ratio of 70 to 95wt.% : 5wt.% to place the PTT multifilament yarn on the surface and the spandex yarn on the other surface. The warp knit fabric is characterized in that it is dyed at a level dyeing temperature of 100 to 120deg.C and is preset at 130 to 150deg.C after water padding.
Patent KR-20010114076-A (KR)
Inventor: SUN GIL UNG
IPC: A01B63/10
Filed: 2000-06-21
Abstract: 본 발명은 트랙터부착용 작업기의 수평조절시스템에 관한 것으로, 
     본 발명의 목적은 작업지의 표면굴곡에 따라 기울기를 변환할 수 있도록 기울기감지계와 콘트롤박스와 유압조절기와 작동실린더로 형성되는 수평조절시스템을 설치하여, 균일한 복토 및 정지작업이 이루어지도록하므로서, 작업효율의 향성과 이양작업 등의 편리성을 도모할 수 있는 트랙터부착용 작업기의 수평조절시스템를를 제공함에 있다. 
     상기한 목적을 달성하기 위한 본 발명의 구체적인 수단으로는; 
     트랙터에 연결설치되어 복토,정지작업을 행하는 트랙터 부착용 작업기의 본체 중앙부로 회동추가 수직구조로서 연결고정되는 회동편의 외둘레 좌,우측으로 기울기 변화를 감지하는 감지센서가 설치되는 기울기감지계를 형성하고, 
     작동압의 공급을 제어하는 유압조절기가 연결되어 상,하 수직작동되는 작동실린더를 형성하여 상기 작업기와 트랙터가 연결되는 일측 유압연결대에 설치하되, 
     상기 감지센서와 전기적으로 연결되어 감지값을 전달받으며 감지값의 변화에 따라 상기 유압작동밸브의 개폐를 단속하는 콘트롤박스를 형성하여, 감지센서에 의한 작업지의 기울기변화에 따라 작동실린더가 상,하작동되어 작업기가 항상 수평상태를 유지토록 구성되는 트랙터부착용 작업기의 수평조절시스템을 구비하므로서 달성된다.
Patent KR-20000063293-A (KR)
Inventor: WOO BOO GOO
IPC: G06F17/00
Filed: 2000-06-21
Abstract: PURPOSE: A portal postal mater information checking site is provided for preventing a consumption of a resource by decreasing an unnecessary postal matter, decreasing a cost and providing a certain benefit obtained based on the decreased cost to a user. CONSTITUTION: A user accesses a site using a cellular phone or a computer(S422) and inputs own ID and password(S403). And then, an initial page is appears(S404). When the user clicks a transmission standby section, post detail appears(S406). After retrieving the transmission standby section, a user inputs a receiver, receiving time and receiving place(S409).
Patent KR-20020003687-A (KR)
Title: A natural colored bean-curd and a method of making thereof
Inventor: KOO JWA SUN
IPC: A23L11/00
Filed: 2000-06-26
Abstract: PURPOSE: Provided are natural colored bean-curd and its manufacturing method, particularly by using the juice of an edible vegetable, thereby coloring bean-curd, improving one's appetite and removing side-effect caused by chemical pigments. CONSTITUTION: The manufacturing method of natural colored bean-curd comprises the steps of: preparing pure soybean milk by conventional methods; extracting juice from a certain edible vegetable; mixing the pure soybean milk and vegetable juice in a mixing ratio of 8:1-6; then adding continuously brine thereto. Wherein the vegetable can be selected from red peppers, carrots, dried jujubes, pine needles, mugworts, green vegetables, oranges, mandarins, citrons, black beans and ginsengs.
Patent KR-20020004385-A (KR)
Title: Shift down device for automatic transmission select lever
Inventor: KIM YEONG SIK
IPC: F16H59/00
Filed: 2000-07-05
Abstract: PURPOSE: A forced downshift apparatus for a selector lever unit in an automatic transmission is provided to brake actively by an engine brake with shifting down a selector lever forcibly during traveling on the frozen road. CONSTITUTION: A forced downshift device of a selector lever unit is composed of a piezoelectric sensor(23) detecting the grip of a driver with a piezoelectric element in a steering wheel, and outputting an electrical signal; a vehicle speed sensor(25) detecting the vehicle speed and outputting the electrical signal; an ABS(Anti-lock Brake System) sensor(27) outputting a signal by detecting slip of a tire in braking; a magnetic actuator(29) receiving the signal from the ABS sensor, and shifting down with pulling a selector lever; and a locking pin release unit installed in the selector lever to release the locking pin by pushing a locking pin rod. The selector lever is shifted down to 2-range with the magnetic actuator and an electromagnet by the grip applied to the steering wheel and the brake failure signal in slipping the vehicle on the frozen road. The braking distance is reduced on the frozen road, and accidents are prevented with braking efficiently by the engine brake.
Patent KR-20020007010-A (KR)
Title: Advertising Method for Internet Relay Chat
Inventor: CHUNG IL BONG
Filed: 2000-07-14
Abstract: PURPOSE: An advertising method using a conversation window of an Internet chatting site is provided to maximize an efficiency of advertisement and develop an Internet industry by outputting freely an interesting and helpful advertisement to the middle of the conversation phrase in a conversation window. CONSTITUTION: A conversation participant connects to an Internet chatting server by using an Internet public network and has a conversation with other participant through a predetermined conversation window(40). An advertisement providing server outputs an advertising description to the middle of a conversation phrase written by chatters in the conversation window(40). The chatters recognize the advertising content under conversation. The conversation window(40) outputs the advertisement description inputted by the advertisement providing server one or more time to the middle of the conversation phrase of the chatters.
Patent KR-20000059160-A (KR)
Title: Lottery service system and application method using mileage point
Inventor: KIM DONG SHIN
Filed: 2000-07-19
Abstract: PURPOSE: A lottery ticket service system is provided to be capable of buying a lottery ticket using a point score saved according to a price of a commodity when a client buys the commodity in on-line or off-line. CONSTITUTION: A lottery ticket service system saves a point score provided from various service organs and buys a commodity corresponding to the saved point score. A client(10) has a point score provided from various service organs. A host computer(22) gives a lottery ticket number when the client(10) requests a lottery ticket buying by use of all or a part of the point score of the client(10). The host computer(22) subtracts the lottery ticket number and the point score used at buying the lottery ticket so as to be stored in a database module(24). The host computer(22) manages so as to lot the lottery ticket number and give a prize winning money according to the lot result.
Patent KR-20010039776-A (KR)
Title: Asset management advice system and recording medium containing program of the system
Inventor: YUYAMA SUMIO
IPC: G06F17/00
Filed: 2000-07-31
Abstract: PURPOSE: To provide an advice system of net trade capable of not only and simply exhibiting data such as a stock but transacting a business as obtaining advice for asset management as if dealt with by an expert advisor at a counter. CONSTITUTION: This advice system for asset management is provided with a data base in which a trade signal regarding a target asset for transaction calculated on the basis of data such as a value of the asset (such as a stock price, a foreign exchange rate and a commodity futures price) which can be a transaction target, the remaining quantity (such as issued quantity of securities and existing quantity of merchandise) and volume of transaction (such as trading volume and trade amount) is stored and a data processing means to generate an investment scenario suitable for attribute information of a user (preference to the asset management and restricting conditions such as funds of the user) when the information is inputted from a user terminal, to return management advice data based on the investment scenario to the user terminal by referring to the trade signal and to deal with the asset according to a response to the management advice data from the user terminal.
Patent KR-20020011499-A (KR)
Title: Flexible Data Rate Matching Method for turbo Codes in 3GPP2 System
Inventor: KIM GI JUN
IPC: H04B14/04
Filed: 2000-08-02
Abstract: PURPOSE: A method of matching variable data rates is provided to firstly perform symbol repetition for systematic output bit strings, and to carry out same symbol repetition for outputted bit strings of a first encoder and outputted bit strings of a second encoder, so as to maintain energy balance. CONSTITUTION: An algorithm divides outputted bit strings(S30) of a channel encoder into a systematic bit group, a bit group of a first encoder, and a bit group of a second encoder, by using a turbo code system. The algorithm decides the group in which a present bit is included, and assigns an optional bit index to the corresponding group according to a channel coding rate(S31). After the process, the length of the systematic bit group becomes I(S32), and the length of the bit group of the first encoder and the length of the bit group of the second encoder are displayed(S33,S34).
Patent KR-20020011720-A (KR)
Title: Plaster for Surface Strengthening of Expened Polystyrene
Inventor: PARK JONG SEONG
IPC: C09D7/47
Filed: 2000-08-04
Abstract: PURPOSE: Provided is a plaster for reinforcing and finish-treating the surface of an expended polystyrene(EPS) molding for the exterior or interior of a building, which can protect the surface of the EPS from physical impacts, ultraviolet rays, and weathering. CONSTITUTION: The plaster comprises: 15-35wt% of an acryl emulsion having a viscosity of 2,000-5,000cps, the solid content of 45-53wt%, the pH of 8-10, and the film hardness(shore A) of 0-50; 50-75wt% of silica comprising 40-55wt% of the silica with a particle size of 0.2-0.5mm and 10-20wt% of the silica with a particle size of 0.05-0.1mm; 5-10wt% of calcium carbonate having a particle size of 12 micrometer; 2-6wt% of powdery titanium dioxide; 0.1-5wt% of pulp; 0.05-0.3wt% of polypropylene fiber; 0.1-2wt% of an organic solvent; and 0.1-1wt% of a surfactant.
Patent KR-20020011757-A (KR)
Title: Method for preparing acryl emulsion
Inventor: LIM IK CHEOL
IPC: C08F2/22
Filed: 2000-08-04
Abstract: PURPOSE: Provided is a method for synthesizing an acryl emulsion used for the filming membrane of a cathode-ray tube, which can minimize a heating value and a reacting time and reduce the distribution of particles in the emulsion. CONSTITUTION: The method comprises the steps of: (a) supplying a composition containing monomers for (meta)acryl resin such as acrylic acid derivatives or methacrylic acid derivatives, a dispersing agent such as sodium dioctyl sulfosuccinate or sodium dodecyl sulfate, a polymerization initiator, and a solvent to a reactor; (b) supplying the monomers for the (meta)acryl resin to an injecting container; (c) polymerizing the composition of (a) under nitrogen gas at a temperature of 75-90deg.C in the reactor and injecting the monomers for the (meta)acryl resin to the reactor from the injecting container; (d) polymerizing the resultant at a temperature of 75-90deg.C. The weight ratio of the monomers for the (meta)acryl resin of (a) and (b) is 1:2-1:4.