baber/WOPTO huggingface dataset:
Patent KR-20000008013-A (KR)
Title: Synchronous dram semiconductor device having clock control circuit and clock control method
Inventor: JUNG WOO SUP
IPC: H03K19/00
Filed: 1998-07-09
Abstract: PURPOSE: A synchronous DRAM semiconductor device is provided not to generate an inner clock signal if an outer clock enable signal is '0' though the '0' section of the outer clock signal is shorter than the '1' section. CONSTITUTION: The semiconductor device comprises: a clock input buffer(301) to convert a voltage level of an outer clock signal to a CMOS(Complementary Metal Oxide Semiconductor) level; a control clock generator(307) to input the output of a clock input buffer, and to generate a control clock signal if the outer clock signal becomes '1'; a clock enable signal input buffer(303) to convert the voltage level of the outer clock enable signal to the CMOS level; an inner clock enable signal generator(309); an inner clock generator(305) to generate an inner clock signal; to prevent a mis-operation by generating the unnecessary inner clock signal thereby.
Patent KR-20000008538-A (KR)
Title: Sheet separation method and device thereof
Inventor: SONG BYUNG-JUN
IPC: B26D7/18
Filed: 1998-07-14
Abstract: PURPOSE: A sheet separation method is provided to have a relatively simple structure and to use it by converting even if the shape of the blanking unit is changed. CONSTITUTION: The sheet separation method is formed by the steps of:having a dispenser for absorbing any side of a blanking unit and an edge unit; arranging the working material between a couple of dispensers; accessing the couple of dispensers; absorbing the blanking unit on any side of each dispenser and the edge unit on the other side; and alienating the couple of dispensers each other.
Patent KR-20000010383-A (KR)
Title: Article arrange method of computerized typesetting system
Inventor: HAN SEONG GI
IPC: G06T3/00
Filed: 1998-07-31
Abstract: PURPOSE: An article arrangement method of computerized typesetting system is provided to improve typesetting ability by arranging articles along the layout of the specified object in an image. CONSTITUTION: The article arrangement method comprises the steps of making a paper space to arrange articles as bitmap and setting a bit value of each bit image as 1, making layout information of the specified object in an image information to be arranged with the articles, and setting bit value of the bit image related to the specified object as 1, logic-calculating a bit value of each bit inter-corresponding between the paper space image and the layout bit image, arranging an equivalent article in a region in which the bit value of the bit image is set as 0 in a bitmap acquired due to the result of logic-calculating.
Patent KR-19990014337-A (KR)
Title: 연료 처리 방법 및 장치
IPC: F02M27/04
Filed: 1998-07-28
Abstract: 본 발명의 제 1양태에 따르면, 페트롤에 신속하게 연속적으로 4000 가우스까지의 자기장 강도를 갖는 다수의 자기장에 가함으로써 처리하는 페트롤 처리 방법이 제공된다.  이러한 처리는 연료의 개선된 원자화에 의해 차량의 성능을 개선시킨다. 
     본 발명의 제 2양태에 따르면, 연료로부터 물을 제거하고, 이후 이러한 연료에 하나 이상의 자기장을 가함으로써 처리하는 연료 처리 방법이 제공된다.  자기 처리를 행하기 이전에 연료로부터 물을 제거하는 것은 엔진의 성능을 개선시킨다. 
     본 발명의 제 3양태에 따르면, 용기 내에 저장된 연료를 타이머의 작동하에서 펌프에 의해 자기 처리 장치를 통해 주기적으로 순환시킴으로써 처리하는 저장된 연료 처리 방법이 제공된다.
Patent KR-20000013170-A (KR)
Title: Pallet transfer device of parking facility
Inventor: LEE JIN YONG
IPC: E04H6/22
Filed: 1998-08-05
Abstract: PURPOSE: A pallet transfer device is provided to reduce the production cost and simplify the structure of a device by removing a hydraulic unit and to reduce the possibility of a failure. CONSTITUTION: A pallet transfer device comprises: a pallet transfer member(5) installed at the upper center of a frame of a travelling trolley(1) and horizontally moving when transferring a pallet; a driving motor(7) installed at inside of the pallet transfer member and delivering the power while operating the pallet transfer member; a primary pinion(9) installed at a shaft of the driving motor, contacting with a upper surface of a guide rack(4) installed at the frame and rotating by the power of the driving motor; a secondary pinion(10) contacting with the upper surface of a guide rack and installed rotatably at inside of the pallet transfer member to face with the primary pinion by a supporting bracket; cylinder(14) installed at the upper center of the pallet transfer member; and a guide rail(3) installed at the end of a cylinder rod(15) and inserted inside of a guide member fixed at the lower part of the pallet by the operation of the cylinder when the pallet being transferred.
Patent KR-19990071380-A (KR)
Title: 자동 이득 제어 회로
IPC: H04B7/08
Filed: 1998-08-19
Abstract: 전단(前段)과 후단(後段)과의 이득 제어부에 대한 자동 이득 제어 회로에 관한 것으로서, 회로 규모의 축소를 꾀한다. 
     안테나(1), 송수신 공용부(2), 수신부(3)의 전단 이득 제어부(3A), 후단 이득 제어부(4), 검파부(檢波部)(5) 등을 포함하고, 가변 이득 증폭기나 가변 감쇠기등의 전단의 이득 제어부(3A)와 가변 이득 증폭기 등의 후단의 이득 제어부(4)를 제어하는 자동 이득 제어 회로(9)에 있어서, 후단의 이득 제어부(4)의 출력 신호 또는 검파부(5)의 출력 신호와 기준값을 비교하는 비교부(10), 상기 비교부(10)의 비교 출력 신호에 따라 후단의 이득 제어부(4)의 이득 제어 신호를 출력하는 제1 이득 제어 신호 출력부(11), 비교부(10)의 비교 출력 신호를 기초로 하여 제1 이득 제어 신호 출력부(11)보다 시정수가 길고 또한 전단의 이득 제어부(3A)의 이득 제어 신호를 출력하는 제2 이득 제어 신호 출력부(12)를 구비하고 있다.
Patent KR-19980082061-A (KR)
Title: 키틴/키토산계 계면활성제 및 그 제조방법
IPC: C08B37/08
Filed: 1998-08-19
Abstract: 본 발명은 키틴과 키토산을 산분해하여 얻은 올리고머를 이용한 키틴/키토산계 계면활성제 및 그 제조방법에 관한 것이다. 
     키토산은 게, 새우 등의 껍질에 많은 키틴을 탈아세틸화시켜 얻어지는 글루코스아민이 β-1,4로 결합된 생체 고분자이며 현재 식품보존제, 다이어트식품, 의료용, 화장품, 침전제, 수처리, 원자력분야 등에도 사용되고 있는 물질이다. 키토산은 분해성이 좋고 낮은 독성을 나타내기 때문에 여러 분야에서 활용하기 위한 시도가 이루어지고 있으나 현재까지 키틴/키토산계를 이용한 계면활성제는 알려진 바가 없다. 
     본 발명의 목적은 키틴과 키토산을 산분해하여 얻은 올리고머를 이용하여 천연에서 분해가 잘되는 무독성의 키틴/키토산계 계면활성제를 제조하고자 한다.
Patent KR-19990023865-A (KR)
Title: 위상 동기 루프 회로
IPC: H03L7/14
Filed: 1998-08-26
Abstract: 위상 동기 루프 회로에서, 수직 동기 분리 회로는 수직 동기 신호를 복합 동기 신호로부터 분리하여 수직 동기 주기의 일부를 검출한다. 마스크 회로는 소정의 주기 동안 복합 동기 신호를 마스크한다. 선택기는 수직 동기 분리 회로로부터 출력된 검출에 따라 복합 동기 신호 또는 기준 신호를 선택한다. 위상 비교기는 선택기로부터의 출력 및 기준 신호 사이의 위상차를 검출한다. 전압 제어 발진기는 저역 필터를 통해 위상 비교기로부터의 출력을 수신하면서 발진 주파수를 변화시킨다. 카운터는 전압 제어 발진기로부터의 발진 출력을 카운트한다. 디코더 회로는 기준 신호를 발생시키도록 카운터로부터의 출력을 디코드하여 그것을 선택기 및 위상 비교기에 공급하며, 카운터를 소정 주기로 리세트한다. 마스크 펄스 디코더는 마스크 회로의 마스크 주기를 제어하기 위해 마스크 펄스를 발생시킨다. 복합 동기 신호는 수직 동기 분리 회로로부터의 검출 출력에 따라 기준 신호로 대체되며, 위상 비교기의 입력부에 공급된다.
Patent KR-20000020111-A (KR)
Title: Device for controlling operation of electric equipments for vehicle
Inventor: PARK MYEONG SIK
IPC: B60Q11/00
Filed: 1998-09-17
Abstract: PURPOSE: A device for controlling the operation of electric equipments for a vehicle is provided to operate a corresponding electric equipments according to the selection of each switch by connecting each electric equipment with plural switches installed to operate electric equipments with one line. CONSTITUTION: A control device comprises of: plural switches to select each operation of plural electric equipments by contacting in an output end of a battery; a unit for generating a pulse(10) to output pulses differed each other by contacting each in plural switch when the switch is selected; and a controller(20) to output a control signal to each driving unit to drive the electric equipment by judging the pulse output from the generating unit of pulse.
Patent KR-20000020493-A (KR)
Title: 1+1 replacement method complemented service down
Inventor: JO SEUNG GI
IPC: H04L12/24
Filed: 1998-09-21
Abstract: PURPOSE: An 1+1 replacement method complemented service down is provided to prevent a service of a terminal base station or an exchange office due to a mistake of a worker performing a routine work from being stopped. CONSTITUTION: An 1+1 replacement method complemented service down includes six steps. a first step is to judge whether a failure is generated on a terminal for the main operation of a first terminal base station(10) or not. A second step is to judge whether a failure is generated on a spare terminal of the first terminal base station or not. A third step is to, when there is a failure in the second step, judge whether a terminal for the main operation of second and third terminal base stations(50, 80) is the same as the terminal for the main operation of the first terminal base station or not. A fourth step is to, when the terminal for the main operation of second and third terminal base stations is the same as the terminal for the main operation of the first terminal base station, judge whether the main terminal of the second and third terminal base station continuously displays a transmission service or not. A fifth step is to, when there is a display in the fourth step, delete the display and whether a spare terminal displays again and continuously displays a transmission service or not. A sixth step is to, when there is a display in the fifth step, delete the display and transmit to a finish step.
Patent KR-20000020751-A (KR)
Title: Method for manufacturing gallium nitride substrate
Inventor: KIM JIN KYO
IPC: H01L21/324
Filed: 1998-09-23
Abstract: PURPOSE: A method for manufacturing a gallium nitride substrate is provided to produce an excellent board by reducing roughness on the surface and recovering damaged layers. CONSTITUTION: According to the size of diamond slurry particles: 15, 9, 3, 1, 0.5 micro meter,a nitrogen substrate manufactured by sublimation method or bulk crystal growth method is polished with diamond slurry particles after cleaning the substrate with ultrasonic wave. And then, the substrate is polished with diamond slurry particles after polishing the substrate with boron carbide plate in size orders: 20000 mesh, 30000 mesh. The irrecoverable damaged layer from the polishing the board are removed by using reacting ion etching, and an excellent film is produced by heating the deficient layer happened during removing damage layers.
Patent KR-20000025493-A (KR)
Title: Method for sensing bubbles in drum washing machine
Inventor: SON KWON
IPC: D06F33/02
Filed: 1998-10-12
Abstract: PURPOSE: A method for sensing bubbles is provided to solve a problem that a washing performance is decreased or electricity is wasted by improving the accuracy of sensing a bubbles. CONSTITUTION: A method for sensing a bubbles is composed of the steps of: draining up to an empty water level and performing a preliminary dehydration by repeating the deceleration of a motor up to a certain RPM/acceleration of a motor up to a certain RPM; sensing the generation of a bubbles based on the comparison result after comparing a first reference value with the gap by outputting the acceleration and deceleration in every acceleration/deceleration step of the motor; and performing a main dehydration by accelerating the motor if the generation of the bubbles is not sensed, and generating the bubbles based on the comparison result after comparing a second reference value with the acceleration time by measuring the acceleration time that the RPM of the motor increases a certain value.
Patent KR-20000026881-A (KR)
Title: Humidifier for cooling door pocket of refrigerator
Inventor: PARK HYEONG EUN
IPC: F25D23/00
Filed: 1998-10-23
Abstract: PURPOSE: A humidifier is provided to quickly cool beverage containers stored in a pocket part by supplying humidified cool air to the pocket by each space and to improve the convenience in replacing a water container of a humidifier and the easiness of producing a product. CONSTITUTION: A user settles a beverage container(9) needing quick cooling in a pocket(7) of a door(3) of a cooling chamber and turns on an operation switch to operate a vibrator(16) and a fan(21) of a humidifier(10). Then the cool air of the cooling chamber sucked inside a fan duct(20) via an inlet(23) blows to a spray duct(17) of the humidifier via a vent hole(51) according to the driving of the fan. Accordingly, the blowing cool air forms humidifying cool air by being mixed with spray particles staying in the spray duct. The humidifying cool air is flowed into a humidifying duct(30) via a spray outlet(15) of the spray duct by the blowing power of the fan. The humidifying cool air flowed into the humidifying duct is vented to the pocket via multiple spray outlet holes(31) opened on the wall of the duct and given to the beverage containers concentrically. Therefore, the beverage container is cooled more quickly by the evaporative latent heat taking the heat while evaporating by the contact with the container.
Patent KR-20000028139-A (KR)
Title: Spinning pack
Inventor: WATANABE TAKESHI
IPC: D01D4/00
Filed: 1998-10-30
Abstract: PURPOSE: A spinning pack is provided to solve the problem generated a stoppage in a metal filter by infiltrating a sand of a sand layer into the metal filter, and to need not to take out the sand used from a main body. CONSTITUTION: A spinning nozzle(6) is installed under an opening of a vertical cylindrical or square container-type main body(1). A breaker plate(7) formed many holes is accepted inside the main body. A metal filter(8) formed by a metal unwoven fabric or a metal woven fabric is accepted inside the main body. A sintering filter(10) formed a sintered material of sectional many-sided metal minute single line instead of an existing sand layer is used. A polymer is filtered and dispersed by the sintering filter or the metal filter with accepting the sintering filter inside the main body, and the polymer is discharged from the spinning nozzle after filtering, dispersing, and rectifying by dispersing and rectifying the polymer with the breaker plate.
Patent KR-19990076535-A (KR)
Title: 인편상 천연흑연개질입자, 그 제조방법 및 2차전지
IPC: C01B31/04
Filed: 1998-11-14
Abstract: 원교인 인편상(鱗片狀) 천연흑연입자의 좋은점을 유지하면서도 그것을 개질가공(改質加工)하여 독특한 구조 및 특성을 가진 구형화입자로 이루어지는 인편상 천연흑연 개질입자를 제공하는 것, 그와같은 개질입자의 제조방법을 제공하는 것, 또한 그와같은 개질입자로 이루어지는 슬러리 특성이 양호한 전극재료를 사용하여 큰 방전전류치에서의 방전용량의 저하가 작은 2차전지를 제공하는 것을 목적으로 한다. 
     인편상 천연흑연입자를 구형에 가깝도록 개질한 구형화입자이다.  이 구형화입자는 (a) 원형도가 0.86 이상일 것, (b) 파단면의 현미경 관찰에서, 흑연절편이 여러 가지의 방향으로 향하는 양배추모양의 외관을 가지고 있을 것 및 (c) 배향의 랜덤성의 지표가 되는 X선 회절법에 의한 002면(흑연층에 수평인 면)과 110면(흑연층에 수직인 면)의 피크강도비(Ih 110 /Ih 2 )가 0.0050 이상일 것의 요건을 전부 충족하고 있는 것이다.
Patent KR-20000032810-A (KR)
Title: Interrupt request controller for single signal interrupt processor and method thereof
Inventor: MO SANG MAN
IPC: G06F9/46
Filed: 1998-11-18
Abstract: PURPOSE: An interrupt request controller for single signal interrupt processor and interrupt method is disclosed to expedite the input and output of single interrupt signal to the SSIR(Single Signal Interrupt Processor). CONSTITUTION: An IRC(Interrupt Request Controller) for SSIR(Single Signal Interrupt Processor) and interrupt method begins with ICR(Interrupt Control Register)'s beat value being 0(s301). IRC checks if ICR's TR bit is 1(s302), if 1 select ICR's TA value as 1, send ITYPE value to IRC as 11(s303), and go to (s310). If not 1, IRC checks if ICR's SR bit is 1(s304) and if SR bit is 1, set ICR's SR bit as 1(s305), send INTR signal as 1 to the processor and ITYPE signal of 10 to IRC, and go to (s310). If SR bit is not 1 in (s304), IRC checks if ICR's IA bit is 1(s306), if 1 set ICR's IA bit as 1, send INTR signal as 1 to the processor and ITYPE signal as 01 to IRC, then go to (s310). If not 1 in (s306), IRC checks if ICR's NR bit is 1, if not 1, repeat (s302) or (s308) and if 1, set ICR's NA bit as 1, send INTR signal of 1 to processor and ITYPE signal as 00 to IRC(s309), check if IACK signal sent by IRC is 1(s310). If 1 in (s310), set ICR's TA bit, SA bit, IA bit, and NA bit as 0, output INTR signal as 0, go to (s301). If not 1 in (s310), restart from (s301).
Patent KR-20000034334-A (KR)
Title: The preparation method of processed foodstuffs using beans
Inventor: OH KWANG HUAN
IPC: A23L11/00
Filed: 1998-11-30
Abstract: PURPOSE: A method for preparing processed foodstuffs using beans which are rich in albuminous substances is provided, to produce the processed bean snack that is able to be welcomed to children and the old man who does not have the digestive power and people who evade eating beans CONSTITUTION: The processed foodstuff using beans is prepared by the following steps. A first step is to soak colored beans in the water for 12 hours, which are assorted and sprayed with water in order to minimize an outer damage and to boil them under proper pressurization and the temperature for softening tissue of beans - In black beans case, to boil at 121°C for 30 minutes, In case of red beans, boiling at 121°C for 1 hour. A second step is to dry beans being boiled with 50°C of hot wind until the content of moisture is to be 10-20%. A third step is to soak dried beans in the sugared liquid according to the concentration of sugared liquid like 20Brix, 40Brix and 60Brix gradually. A fourth step is to wash the external sugared liquid with water of being sterilized and dry them at 50°C for 6 hours to be 0.8 of active degree of moisture.
Patent KR-20000038680-A (KR)
Title: Screen saver system with watchdog capability and a method for controlling the same
Inventor: BANG BYUNG JO
IPC: G06F21/82
Filed: 1998-12-08
Abstract: PURPOSE: A screen saver system with watchdog capability and a method for controlling the same are provided to use an image during screen saving as a watchdog image. CONSTITUTION: A screen saver system with watchdog capability includes an outer camera(10), and a microcomputer(10a). The microcomputer(10a) includes an image size determiner(50) and a watchdog module(60). The outer camera(10) takes images and transmits the image to be used as a screen saver image of a monitor(40). The microcomputer(10a) is implemented in the camera. The image size determiner(50) adjusts the distance and the size of the image according to a control signal from the microcomputer. The watchdog module(60) compares received image with the previous image, detects difference between them, and stores the image with motion in a storage.
Patent KR-20000038964-A (KR)
Title: Method for controlling defrosting operation of air conditioner
Inventor: PARK HYUK BUM
IPC: F24F11/00
Filed: 1998-12-10
Abstract: PURPOSE: A method for controlling a defrosting operation of an air conditioner is provided to prevent lowering of heating efficiency by preventing the performance of the defrosting operation when a window is not covered with frost. CONSTITUTION: A method for controlling a defrosting operation of an air conditioner includes A step of determining whether a temperature falling slope of a heat exchanger of an outdoor unit satisfies a predetermined condition or not, B step of detecting a temperature of the heat exchanger to determine whether the temperature is below a first reference value or not, C step of detecting an accumulated operation time of a compressor to determine whether the accumulated operation time is above a second reference value or not, D step of detecting a continuous operation time of the compressor to determine whether the continuous operation time is above a third reference value or not, wherein a defrosting operation is performed when the A, B and C steps are simultaneously satisfied or the B and D stps are simultaneously satisfied.
Patent KR-19990024215-A (KR)
Title: 장신구 제조방법
IPC: A44C27/00
Filed: 1998-12-22
Abstract: 본 발명은 임의 모양으로 절단된 받침판의 상면 중심부의 둘레에 철심을 안착하고 그 상면에 받침판보다 작게 절단된 외피를 접착하며, 외피가 접착된 받침판의 가장자리에 띠형 장식을 접착하여 반제품을 성형하고, 선택적으로 잠금핀이 구비된 고정판의 상면에 접착제를 도포한 후 상기와 같이 성형된 반제품을 방사상으로 배열하여 접착시키며, 방사상으로 접착된 상부 중앙에 봉우리 장식을 접착하여 장신구의 제조를 완료함으로서 작업공정이 간단하고 제조원가를 줄일 수 있고, 다양한 형태로 제작이 가능하며, 사용시 변형을 방지할 수 있어 값싸고 내구성이 강하고 아름다운 장신구 제조방법에 관한 것이다.
Patent KR-20000042872-A (KR)
Title: Stack package and fabrication method thereof
Inventor: CHOI YUN HWA
IPC: H01L23/48
Filed: 1998-12-28
Abstract: PURPOSE: A stack package and fabrication method thereof are provided to shorten a path for signal transmission and to eliminate a signal interference. CONSTITUTION: A lower semiconductor chip(60) is attached to a pattern tape(70), and pads(61) are formed on the chip(60) may face downward. In addition, an upper semiconductor chip(30) is disposed above and apart from the lower chip(60), and pads(31) formed on the upper chip(30) are also face downward. Respective leads(40) are connected with the pads(31) on the upper chip(30) at first ends, and protruded from insulating layer(50) interposed between the lower and upper chips(60,30) at second opposing ends. The second ends of the leads(40) and the pads(61) on the lower chip(60) are connected by metal patterns(71) of the pattern tape(70). Therefore, a path for signal transmission is considerably shortened while eliminating a signal interference. Besides, an encapsulant(80) is formed to cover an overall structure except both a bottom surface of the pattern tape(70) and the top surface of the upper chip(30). Solder balls(90) are formed on the exposed surface of the pattern tape(70).
Patent KR-20000043203-A (KR)
Title: Method for forming contact of semiconductor device
Inventor: O CHAN GWON
IPC: H01L21/28
Filed: 1998-12-28
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to reduce a device failure due to poly stringer in a modified plug self aligned contact process. CONSTITUTION: A word line(2) is formed on a substrate(1), and a spacer nitride(3) is formed on sidewalls of the word line(2). Next, a barrier nitride(4) and a doping barrier(5) are deposited over all surfaces, and an interlayer dielectric(6) is subsequently formed thereon. The interlayer dielectric(6) and the doping barrier(5) are then polished until the barrier nitride(4) above the word line(2) is exposed. Next, a photoresist pattern(10) is formed to expose an active region of the substrate(1), and the interlayer dielectric(6) is wet-etched while the photoresist pattern(10) acts as a mask. A residual photoresist(20) having C-C bond is therefore produced on the interlayer dielectric(6). Then, an oxide dry etch is performed to expose the barrier nitride(4) and the photoresist layer(10) is removed. Next, the barrier nitride(4) is etched to form self-aligned contact holes exposing the active region of the substrate(1), and a polysilicon is deposited to fill the contact holes. Then, contact plugs are formed by chemical mechanical polishing of the polysilicon.
Patent KR-20000046707-A (KR)
Title: Memory error emulator
Inventor: KIM SEONG O
IPC: G06F11/22
Filed: 1998-12-31
Abstract: PURPOSE: A memory error emulator is disclosed to synchronize with the memory's timing signal and artificially generate electronic signals of memory cell and surrounding logic's errors. CONSTITUTION: A memory error emulator is composed of separation, output, latch, comparison, and synchronization. A timing controller(100) separates row and column addresses according to a Row Address Strobe signal(RAS), A column Address Strobe signal(CAS), possible a record signal(/WE), and possible an output signal(/OE), it generates and latches a control signal and an output control signal at the same time. Address latcher(110) selectively latches address that has been inputted through an address line according to latch signals generated by the timing controller. An external interface and the memory controller(120) stores a port cell's address appointed from outside and stores a memory cell's default value. An address comparer(130) compares port cell's row/column address saved under an external interface memory controller's control and row/column address latched by the address latcher and it outputs the resulting values(/CP). An output controller (140) synchronizes the output control signal of the timing controller to address comparer's output address comparison value and outputs saved memory cell's default value.
Patent KR-20000047276-A (KR)
Title: Water paint composition
Inventor: CHAE YOON SOO
IPC: C09D5/02
Filed: 1998-12-31
Abstract: PURPOSE: A water paint composition is provided which is favorable in attaching various old coats and resistant to scratches and shows high hiding in painting on the various old coats. CONSTITUTION: In the water paint composition which is consisted of a binder of a plastic emulsion, chelate compounds, polydimethylsiloxane emulsion and paint, the binder contains 25-75 wt% of styrene-emulsion class plastic emulsion whose glass transition temperature is 20-60°C, the emulsion is consisted of two emulsion with different particle size wherein one is 50-130 nm and the other is 150-600 nm and the volume ratio is 1:4 and the solid content occupies 30-60 wt% of the total paints.