KR101296286B1 - Manufacturing methods of capacitive touch pen tip - Google Patents

Manufacturing methods of capacitive touch pen tip Download PDF

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Publication number
KR101296286B1
KR101296286B1 KR1020120125537A KR20120125537A KR101296286B1 KR 101296286 B1 KR101296286 B1 KR 101296286B1 KR 1020120125537 A KR1020120125537 A KR 1020120125537A KR 20120125537 A KR20120125537 A KR 20120125537A KR 101296286 B1 KR101296286 B1 KR 101296286B1
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South Korea
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weight
tip
touch pen
primer
spraying
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KR1020120125537A
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Korean (ko)
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정현석
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안연주
정현석
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D06M13/148—Polyalcohols, e.g. glycerol or glucose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/507—Polyesters

Abstract

PURPOSE: A capacitive touch pen tip shaping method prevents the rubber tip of a touch pen from being worn out due to the touch with a touch screen by covering the tip with a fabric cover. CONSTITUTION: A fabric sheet (40) is pre-treated and coated with a liquid primer (41) by spraying the primer or soaking it in the primer. A conductive material (42) is coated by spraying a conductive pigment on the pre-treated surface. A protective layer (43) is formed by drying the conductive pigment and spraying a coating solution. After the protective layer gets dried, the fabric sheet is cut in a tip shape. The fabric sheet is mounted on a rubber tip with the primer serving as a binder to strengthen the bonding of the fabric sheet and the tip.

Description

정전식 터치펜용 팁의 가공방법{manufacturing methods of capacitive touch pen tip}Manufacturing method of capacitive touch pen tip

본 발명은 정전식 터치펜용 팁의 가공방법에 관한 것으로서, 더욱 상세하게는 고무팁의 외부에 전도성물질이 처리된 직물커버가 씌워져 화면의 드래그(drag) 작업이 원활하게 이루어지고, 고무팁의 마모를 방지하는 한편, 스크린의 터치작동이 효율적으로 이루어질 수 있도록 한 발명에 관한 것이다.
The present invention relates to a method for processing a tip for an electrostatic touch pen, and more particularly, a fabric cover treated with a conductive material is covered on the outside of the rubber tip to smoothly drag the screen, and to wear the rubber tip. On the other hand, and relates to an invention to allow the touch operation of the screen to be made efficiently.

일반적으로 정전식 터치펜(capacitive touch pen)은 휴대전화, 노트북, PMP(portable multimedia player), 디지털 카메라, 캠코더, 네비게이션과 같은 전자제품들의 터치스크린을 가볍게 터치하여 기기(機械)들을 작동시키고 사용할 수 있도록 구성된 펜으로 정전식 터치펜에는 도전성 고무로 구성된 반구형 팁이 많이 사용된다.In general, capacitive touch pens operate and use devices by lightly touching the touch screens of electronic devices such as mobile phones, laptops, portable multimedia players (PMPs), digital cameras, camcorders, and navigation devices. The electrostatic touch pen has a hemispherical tip made of conductive rubber.

이러한 반구형(半球形) 고무 팁은 내부가 빈 중공(中空) 상태에서 눌러서 스크린을 터치하면 내부용적의 변화로 인하여 정전용량이 변화를 일으키므로 터치펜의 팁(tip)은 스크린과 계속하여 접촉되므로 상당한 마찰을 발생시킨다.Since the semi-spherical rubber tip touches the screen by pressing in the hollow state, the capacitance of the semi-spherical rubber tip changes due to the change in the internal volume, so the tip of the touch pen is continuously in contact with the screen. Generates significant friction.

종래에는 주로 고무팁을 사용하므로 고무 재질의 특성상 쉽게 마모되는 등의 폐단이 발생되었고, 고무 재질은 마찰력이 높아 팁을 스크린에 접촉하여 드래그(drag)하면 쉽게 미끄러지지 않고 마찰저항(摩擦抵抗)을 발생시킴에 따라 드래그 작업이 원활하게 이루질 수 없었다.Conventionally, a rubber tip is mainly used, so a closed end such as wear is easily generated due to the characteristics of the rubber material, and the rubber material has a high frictional force, and if the tip is dragged by touching the screen, it does not slip easily and generates frictional resistance. Dragging could not be done smoothly.

따라서, 고무 팁의 표면에 코팅을 하여 마찰계수를 줄이고 마모를 방지할 수 있도록 하는 기술이 제안된 바 있다. 그러나, 고무팁의 외부에 얇게 코팅되는 페인팅 막은 마찰에 의하여 쉽게 벗겨져 장기간 사용할 수 없었을 뿐 아니라 전도성(傳導性)을 약하게 하여 스크린의 터치작동 효율이 저하되는 등의 폐단이 발생되었다.
Therefore, a technique has been proposed to coat the surface of the rubber tip to reduce the friction coefficient and prevent wear. However, the coating film thinly coated on the outside of the rubber tip was easily peeled off due to friction, and thus could not be used for a long time, but also caused a disadvantage such that the touch operation efficiency of the screen was reduced by weakening the conductivity.

본 발명은 상기한 문제점을 감안하여 창안한 것으로서, 그 목적은 고무팁의 외부에 전도성 직물커버가 씌워져 화면의 드래그(drag) 작업이 원활하게 이루어지고, 고무팁의 마모를 방지할 수 있는 고기능성·고품질의 정전식 터치펜용 팁의 가공방을 제공함에 있는 것이다.
The present invention has been made in view of the above problems, the purpose of which is covered with a conductive fabric cover on the outside of the rubber tip to facilitate the drag (drag) operation of the screen, high functionality that can prevent the wear of the rubber tip It is to provide a processing room for the tip of the capacitive touch pen of high quality.

상기한 목적을 달성하기 위한 본 발명의 특징은, 직물지에 액상의 프라이머(primer)를 스프레이 하거나 침지(沈漬)하여 전처리도장을 하는 단계; 전처리도장의 표면에 전도성안료를 스프레이 하여 전도성물질을 도장하는 단계; 전도성안료를 건조시킨 후 코팅액을 스프레이 하여 보호막을 형성하는 단계; 보호막을 건조시킨 후 직물지를 팁(tip) 형상으로 재단하는 단계; 직물지를 고무팁의 외부에 씌워 고정시키는 단계로 이루어진 것을 특징으로 하는 정전식 터치펜용 팁의 가공방법에 의하여 달성될 수 있는 것이다.
Features of the present invention for achieving the above object, the step of pre-painting by spraying or immersing a liquid primer (primer) on the fabric paper; Painting a conductive material by spraying a conductive pigment on the surface of the pretreatment coating; Drying the conductive pigment and then spraying the coating solution to form a protective film; Drying the protective film and cutting the fabric into a tip shape; It can be achieved by the method of processing the tip for the capacitive touch pen, characterized in that the step of covering the fabric to the outside of the rubber tip.

이상에서 상술한 바와 같은 본 발명은, 고무팁(30)의 외부에 직물지(40) 커버가 씌워져 스크린과 접촉되는 고무팁(30)의 마모를 방지할 수 있을 뿐 아니라 화면을 드래그(drag)할 때 미끄러지듯 매끄럽게 터치펜이 접촉되어 그 사용이 매우 편리하면서도 직물지 커버에는 탄소나노튜브 입자가 섬유에 흡착되어 금속과 같이 매우 높은 전도율(傳導率)을 나타내므로 스크린의 터치작동이 효율적으로 이루어지고 드래그 작업이 매끄럽게 이루어지는 고품질·고기능성의 터치펜을 제공할 수 있는 등의 이점이 있는 것이다.
According to the present invention as described above, the cover of the fabric paper 40 is covered on the outside of the rubber tip 30 can prevent the wear of the rubber tip 30 in contact with the screen, as well as drag the screen. It is very convenient to use because the touch pen comes in contact smoothly when sliding, but the carbon nanotube particles are adsorbed on the fabric and show very high conductivity like metal. There is such an advantage that it is possible to provide a high-quality, high-functional touch pen with smooth operation.

도 1a ∼ 도 1f는 본 발명에 의한 터치펜용 팁의 가공과정을 순차적으로 나열한 공정도,
도 2는 본 발명의 일실시예를 예시한 사시도,
도 3은 본 발명의 일실시예를 예시한 분해사시도,
도 4는 본 발명의 일실시예를 예시한 정면도,
도 5는 본 발명의 일실시예를 예시한 단면도,
도 6은 본 발명의 다른 실시예를 예시한 사시도.1a to 1f is a process diagram sequentially listing the processing process of the tip for a touch pen according to the present invention,
2 is a perspective view illustrating one embodiment of the present invention;
3 is an exploded perspective view illustrating an embodiment of the present invention,
4 is a front view illustrating an embodiment of the present invention;
5 is a cross-sectional view illustrating an embodiment of the present invention,
6 is a perspective view illustrating another embodiment of the present invention.

이하, 상기한 목적을 달성하기 위한 바람직한 실시예를 첨부된 도 1의 제조 공정도에 의하여 상세히 설명하면 다음과 같다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

실시예Example

도 1a와 도 1b에서 도시한 바와 같이, 직물지(40)에 액상의 프라이머(41)를 스프레이 하거나 침지(沈漬)시켜 전처리도장을 하는 단계를 실시하였다.As shown in Figure 1a and Figure 1b, the pretreatment coating was performed by spraying or immersing the liquid primer 41 on the woven paper 40.

상기 프라이머(primer)는 전처리 도장용 도료로 접착을 강화시키는 고착제(固着劑) 역할을 하며, 본 발명에서는 톨루엔(toluene) 90∼95중량％, 폴리올레핀레진(polyolefine resin) 4∼10중량％, 첨가제 1∼2중량％의 혼합물을 사용하였다.The primer (primer) serves as a fixing agent (강화 着 劑) to enhance the adhesion to the pre-treatment paint, in the present invention, 90 to 95% by weight of toluene, 4 to 10% by weight of polyolefine resin (polyolefine resin), additives A mixture of 1-2% by weight was used.

이어서, 도 1c에서 도시한 바와 같이, 전처리가 완료된 도장(塗裝)의 표면에 도전성안료를 스프레이 하여 전도성물질(42)을 도장하는 단계를 실시하였다.Subsequently, as shown in FIG. 1C, a conductive pigment was sprayed onto the surface of the pretreated paint to coat the conductive material 42.

상기 전도성물질(傳導性物質)은 카본 블랙(carbon black)과 같이 탄소를 주제로 하는 안료(顔料)를 사용하여 직물에 전류(電流)가 통할 수 있도록 하는 것으로서, 본 발명에서는 탄소나노튜브(CNT) 40∼50중량％, 에틸알콜(ethylalcohol) 30∼40중량％, 이소프로필알코올(isopropyl alcohol) 15∼25중량％, 폴리우레탄 수지(polyurethane resin) 4∼10중량％, 첨가제 0.1∼0.5중량％의 혼합물을 사용하였다.The conductive material is a carbon-based pigment, such as carbon black, to allow electrical current to pass through the fabric. In the present invention, carbon nanotubes (CNTs) ) 40-50% by weight, 30-40% by weight ethylalcohol, 15-25% by weight isopropyl alcohol, 4-10% by weight polyurethane resin, 0.1-0.5% by weight additive A mixture of was used.

상기 탄소나노튜브를 이용한 전도성물질은 매우 미세한 탄소입자가 섬유에 흡착되어 금속과 같이 매우 높은 전도율(傳導率)을 나타낸다.In the conductive material using the carbon nanotubes, very fine carbon particles are adsorbed onto the fiber and exhibit very high conductivity such as metal.

이어서, 도 1d에서 도시한 바와 같이, 전도성물질(42)을 건조시킨 후 코팅액을 스프레이 하여 보호막(43)을 형성하는 단계를 실시하였으며, 전도성물질은 30∼50℃에서 10분간 건조하였다.Subsequently, as shown in FIG. 1D, the conductive material 42 was dried, and then a coating liquid was sprayed to form a protective film 43. The conductive material was dried at 30 to 50 ° C. for 10 minutes.

상기 보호막(43)은 직물지에 피복된 전도성물질의 마모를 방지하여 보호하고, 팁이 화면과 접촉되었을 때 드래그(drag) 작업이 원활하게 이루어질 수 있도록 하는 역할을 한다.The protective layer 43 prevents abrasion of the conductive material coated on the textile paper, and serves to smoothly drag the tip when the tip is in contact with the screen.

본 발명에서 사용된 보호막 코팅액은 폴리에스테르 폴리올(polyester polyol) 40∼50중량％, 에틸아세테이트(ethyl acetate) 10∼20중량％, 메틸이소부틸케톤(methyl Isobutyl Ketone) 10∼20중량％, 부틸아세테이트(Butyl Acetate) 5∼10중량％, 톨루엔(toluene) 5∼10중량％, 실리카(silica) 2∼5중량％, 첨가제 1∼5중량％의 혼합물을 사용하였다.The protective film coating liquid used in the present invention is 40 to 50% by weight of polyester polyol, 10 to 20% by weight of ethyl acetate, 10 to 20% by weight of methyl isobutyl ketone, and butyl acetate A mixture of 5-10% by weight of (Butyl Acetate), 5-10% by weight of toluene, 2-5% by weight of silica, and 1-5% by weight of an additive was used.

이어서, 도 1e에서 도시한 바와 같이, 보호막(43)을 30∼50℃에서 10분간 건조시킨 후 건조가 완료된 직물지(40)를 팁(tip) 형상으로 재단하는 단계를 실시하였다.Subsequently, as shown in FIG. 1E, the protective film 43 was dried at 30 to 50 ° C. for 10 minutes, and then, the dried fabric paper 40 was cut into a tip shape.

상기 직물지(40)의 재단은 원단을 고무팁(30)의 형상으로 절단하여 고무팁에 감싸지도록 할 수 있고, 입체적으로 직조하여 고무팁(30)의 형상으로 형성할 수도 있다.The cutting of the textile paper 40 may be cut into the shape of the rubber tip 30 so as to be wrapped in the rubber tip, weave three-dimensionally may be formed in the shape of the rubber tip 30.

이어서, 도 1f에서 도시한 바와 같이, 직물지(40)를 고무팁(30)의 외부에 씌워 고정시키는 단계를 실시하여 정전식 터치펜용 팁을 완성하였다.Subsequently, as shown in FIG. 1F, the step of fixing the cloth 40 to the outside of the rubber tip 30 was performed to complete the tip for the capacitive touch pen.

전술한 가공방법에 의하여 완성된 정전식 터치펜용 팁은 고무팁(30)의 외부에 직물지(40) 커버가 씌워져 스크린과 접촉되는 고무팁(30)의 마모를 최소화시키고 화면을 드래그(drag)할 때 미끄러지듯 매끄럽게 터치펜이 접촉되어 사용이 매우 편리하면서도 직물지 커버에 피복된 전도성물질은 탄소나노튜브 입자가 섬유에 흡착되어 금속과 같이 매우 높은 전도율(傳導率)을 나타내므로 스크린의 터치작동이 효율적으로 이루어지고 드래그 작업이 매끄럽게 이루어지는 고품질·고기능성의 터치펜을 구현할 수 있는 것이다.The tip for the capacitive touch pen completed by the above-described processing method covers the outer surface of the rubber tip 30 to cover the fabric paper 40 to minimize wear of the rubber tip 30 in contact with the screen and to drag the screen. It is very convenient to use because the touch pen comes in contact with slippery smoothly, and the conductive material coated on the cover of the textile paper has very high conductivity like carbon due to the adsorption of carbon nanotube particles to the fiber. It is possible to implement a high-quality, high-performance touch pen made of a smooth and drag operation.

한편, 상기 제조과정에 의하여 완성된 터치펜용 팁은 터치펜에 적용하여 사용할 수 있다.On the other hand, the tip for the touch pen completed by the manufacturing process can be used by applying to the touch pen.

즉, 도 2 내지는 도 5에서 도시한 바와 같이 상기 고무팁(30)의 외부에는 전도성물질이 도포된 직물지(40) 커버가 씌워지며, 고무팁(30)은 금속 커플링(20)에 결합되어 손잡이(10)와 연결되고, 커플링(20)의 외부에는 지지관(50)이 씌워지며, 직물지(40)와 고무팁(30)은 지지관(50)에 눌려져 커플링(20)에 고정된 구성으로 되어 있다.That is, as shown in FIGS. 2 to 5, the outer surface of the rubber tip 30 is covered with a cover of the textile paper 40 coated with a conductive material, and the rubber tip 30 is coupled to the metal coupling 20. It is connected to the handle 10, the outside of the coupling 20 is covered with a support tube 50, the textile paper 40 and the rubber tip 30 is pressed by the support tube 50 is fixed to the coupling 20 It is made up of.

상기 커플링(20)은 관으로 구성된 손잡이(10)와 나사 결합되어 분리할 수 있도록 구성되어 있고, 고무팁(30) 내부에 형성된 걸림턱(31)은 커플링(20)의 외부면에 형성된 걸림홈(21)에 결합되어 고무팁(30)이 커플링(20)에서 착탈식으로 결합된다.The coupling 20 is configured to be separated by screwing the handle 10 consisting of a tube, the locking jaw 31 formed in the rubber tip 30 is formed on the outer surface of the coupling 20 The rubber tip 30 is detachably coupled to the engaging groove 21 in the coupling 20.

상기 커플링(20)의 외부면에는 가이드홈(22)이 형성되고, 가이드홈(22)에는 스냅링(22a)이 결합되어 직물지(40)를 눌러주면서 고정될 수 있도록 구성되어 있다.Guide grooves 22 are formed on the outer surface of the coupling 20, and the snap grooves 22a are coupled to the guide grooves 22 so as to be fixed while pressing the fabric paper 40.

본 발명은 터치펜 전용으로 사용하는 것이나 도 6에서 도시한 바와 같이 필기구(11)를 결합하여 사용할 수도 있는 것이다.The present invention may be used exclusively for the touch pen, or may be used in combination with the writing instrument 11 as shown in FIG.

전술한 구성으로 이루어진 본 발명의 정전식 터치펜은 고무팁(30)의 외부에 직물지(40) 커버가 씌워져 스크린과 접촉되는 고무팁(30)의 마모를 방지하면서도 화면의 드래그(drag) 작업이 매끄럽게 이루어지는 고기능성의 터치펜을 제공할 수 있는 것이다.The capacitive touch pen of the present invention having the above-described configuration is covered with a fabric paper 40 on the outside of the rubber tip 30 to prevent abrasion of the rubber tip 30 coming into contact with the screen while dragging the screen. It is possible to provide a highly functional touch pen made smoothly.

이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but many variations and modifications may be made without departing from the scope of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be resorted to without departing from the scope of the appended claims.

10 : 손잡이 11 : 필기구
20 : 커플링 21 : 걸림홈
22 : 가이드홈 22a : 스냅링
30 : 고무팁 31 : 걸림턱
40 : 직물지 41 : 프라이머
42 : 전도성물질 43 : 보호막
50 : 지지관10: handle 11: writing instruments
20: coupling 21: locking groove
22: guide groove 22a: snap ring
30: rubber tip 31: locking jaw
40: woven paper 41: primer
42: conductive material 43: protective film
50: Support tube

Claims (4)

직물지에 액상의 프라이머(primer)를 스프레이 하거나 침지(沈漬)하여 전처리도장을 하는 단계;
전처리도장의 표면에 전도성안료를 스프레이 하여 전도성물질을 도장하는 단계;
전도성안료를 건조시킨 후 코팅액을 스프레이 하여 보호막을 형성하는 단계;
보호막을 건조시킨 후 직물지를 팁(tip) 형상으로 재단하는 단계;
직물지를 고무팁의 외부에 씌워 고정시키는 단계로 이루어진 것을 특징으로 하는 정전식 터치펜용 팁의 가공방법.
Spraying or immersing a liquid primer on the fabric paper to perform pretreatment coating;
Painting a conductive material by spraying a conductive pigment on the surface of the pretreatment coating;
Drying the conductive pigment and then spraying the coating solution to form a protective film;
Drying the protective film and cutting the fabric into a tip shape;
The method of processing a tip for an electrostatic touch pen, characterized in that consisting of a step of fixing the cloth to the outside of the rubber tip.
제 1항에 있어서,
상기 프라이머(primer)는 전처리 도장용 도료로 접착을 강화시키는 고착제(固着劑) 역할을 하며, 본 발명에서는 톨루엔(toluene) 90∼95중량％, 폴리올레핀레진(polyolefine resin) 4∼10중량％, 첨가제 1∼2중량％의 혼합물이고,
상기 전도성물질(傳導性物質)은 탄소나노튜브(CNT) 40∼50중량％, 에틸알콜(ethylalcohol) 30∼40중량％, 이소프로필알코올(isopropyl alcohol) 15∼25중량％, 폴리우레탄 수지(polyurethane resin) 4∼10중량％, 첨가제 0.1∼0.5중량％의 혼합물이며,
상기 보호막 코팅액은 폴리에스테르 폴리올(polyester polyol) 40∼50중량％, 에틸아세테이트(ethyl acetate) 10∼20중량％, 메틸이소부틸케톤(methyl Isobutyl Ketone) 10∼20중량％, 부틸아세테이트(Butyl Acetate) 5∼10중량％, 톨루엔(toluene) 5∼10중량％, 실리카(silica) 2∼5중량％, 첨가제 1∼5중량％의 혼합물인 것을 특징으로 하는 정전식 터치펜용 팁의 가공방법.
The method of claim 1,
The primer (primer) serves as a fixing agent (강화 着 劑) to enhance the adhesion to the pre-treatment paint, in the present invention, 90 to 95% by weight of toluene, 4 to 10% by weight of polyolefine resin (polyolefine resin), additives 1 to 2% by weight of the mixture,
The conductive material is 40 to 50% by weight of carbon nanotubes (CNT), 30 to 40% by weight of ethyl alcohol, 15 to 25% by weight of isopropyl alcohol, polyurethane resin (polyurethane) resin) 4 to 10% by weight, additives 0.1 to 0.5% by weight of the mixture,
The protective film coating solution is 40 to 50% by weight of polyester polyol, 10 to 20% by weight of ethyl acetate, 10 to 20% by weight of methyl isobutyl ketone, and butyl acetate A method for processing a tip for an electrostatic touch pen, characterized by a mixture of 5 to 10% by weight, 5 to 10% by weight of toluene, 2 to 5% by weight of silica, and 1 to 5% by weight of an additive.
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