KR100901965B1 - Coating agent for molding processing of titanium and titanium alloy - Google Patents

Coating agent for molding processing of titanium and titanium alloy Download PDF

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KR100901965B1
KR100901965B1 KR1020070114066A KR20070114066A KR100901965B1 KR 100901965 B1 KR100901965 B1 KR 100901965B1 KR 1020070114066 A KR1020070114066 A KR 1020070114066A KR 20070114066 A KR20070114066 A KR 20070114066A KR 100901965 B1 KR100901965 B1 KR 100901965B1
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titanium
weight
coating agent
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molding
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KR20090047939A (en
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김태홍
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주식회사 태원엔지니어링
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
    • C09D131/06—Homopolymers or copolymers of esters of polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D193/00—Coating compositions based on natural resins; Coating compositions based on derivatives thereof
    • C09D193/04—Rosin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20—Diluents or solvents
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C14/00—Alloys based on titanium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials

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  • Organic Chemistry (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Paints Or Removers (AREA)
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Abstract

본 발명은 금속의 성형가공에 주로 사용되는 코팅제에 관한 것으로서, 티타늄(Ti) 및 티타늄합금 등의 고강도 특수금속으로 튜브 내지는 파이프, 봉재, 등의 재료를 가공하는 인발(Drawing) 등으로 성형가공시, 가공용 소재와 금형의 다이스사이에 발생하는 열을 감소시키기 위해, 본 발명은 성형가공시 사용되는 코팅제에 있어서, 배합중량비 기준으로 말레익아시드수지(Maleic Acid Resin) 10~20중량%와, 염소화파라핀왁스(Chlorinated Paraffin Wax) 1~5중량%와, 에폭시화유(Expoxidized Soy Bean Oil) 1~2중량%와, 폴리테트라플루오르에틸렌(PTFE: Polytelrafluoro Ethylene) 10~15중량%와, 톨루엔(Toluene) 50~60중량%를 포함하는 티타늄 및 티타늄합금의 성형가공용 코팅제를 특징으로 한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating agent mainly used for forming and processing metals. The present invention relates to a drawing material for processing materials such as tubes, pipes, rods, and the like with high-strength special metals such as titanium (Ti) and titanium alloys. In order to reduce the heat generated between the material for processing and the die of the mold, the present invention is a coating agent used during the molding process, 10 to 20% by weight of maleic acid resin (Maleic Acid Resin) on the basis of the compounding weight ratio, and chlorination 1 to 5% by weight of paraffin wax (Chlorinated Paraffin Wax), 1 to 2% by weight of Expoxidized Soy Bean Oil, 10 to 15% by weight of polytetrafluoroethylene (PTFE), toluene Characterized in that the coating for molding processing of titanium and titanium alloy containing 50 to 60% by weight.

티타늄, 성형가공, 코팅제, 수지. Titanium, molding, coatings, resins.

Description

티타늄 및 티타늄합금의 성형가공용 코팅제{omitted}Coating agent for forming and processing of titanium and titanium alloy

본 발명은 금속의 성형가공에 주로 사용되는 코팅제에 관한 것으로서, 티타늄(Ti) 및 티타늄합금 등의 고강도 특수금속으로 튜브 내지는 파이프, 봉재, 등의 재료를 가공하는 인발(Drawing) 등으로 성형가공시, 가공용 소재와 금형의 다이스(맨드릴, 이하 '다이스'이라 함) 사이에 발생하는 열을 감소시키기 위해 코팅제에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating agent mainly used for forming and processing metals. The present invention relates to a drawing material for processing materials such as tubes, pipes, rods, and the like with high-strength special metals such as titanium (Ti) and titanium alloys. The present invention relates to a coating agent for reducing heat generated between a material for processing and a die of a mold (mandrel, hereinafter referred to as 'dice').

일반적으로 티타늄(Ti) 및 티타늄합금 등의 특수금속은 인발가공하여 사용하는 일반 철강재료에 비해서 내식성 내지는 내열성, 인장강도 등이 우수한 특성을 가지고 있다. 이러한 특성으로 인해 성형가공 시 금형 즉, 다이스의 수명을 단축시키는 현상이 발생한다.In general, special metals such as titanium (Ti) and titanium alloys have excellent corrosion resistance, heat resistance, and tensile strength, compared to general steel materials used by drawing. Due to this property, a phenomenon occurs that shortens the life of the die, that is, the die during the molding process.

이러한, 티타늄이 가진 재료의 특성과 성형가공 시에 일어나기 쉬운 문제점에 대해 기술하면 다음과 같다.When describing the characteristics of the material and the problems that are likely to occur during the molding process of titanium as follows.

1)인장강도가 1500MPa 이상의 고강도 티타늄의 경우, 인발가공이나 위치지 정(Pionting)을 하기 위하여 입구 선단에 과다한 힘을 주면 소재에 파단현상(Chipping)이 발생한다.1) In the case of high strength titanium with a tensile strength of 1500MPa or more, crushing occurs in the material when excessive force is applied to the tip of the inlet for drawing or positioning.

2)연전달율이 매우 적기 때문에, AISI 304의 경우처럼 성형가공 중에 발생한 열이 방출되지 않고 다이스와 티타늄 모재에 축적되어 다이스의 마모가 크다.2) Because the transfer rate is very small, the heat generated during the molding process is not released, as in the case of AISI 304, and is accumulated in the die and the titanium base material.

3)성형을 위하여 압력을 가하였을 때 변형을 나타내는 영율(Young's Modulus)이 스테인레스강과 같은 정도로 매우 적기 때문에 성형 패스당 감면율을 적게 하여야 한다.3) Since the Young's Modulus, which shows deformation when pressurized for molding, is as small as stainless steel, the reduction rate per molding pass should be reduced.

4)과도한 축소성형이나, 박물의 성형 시에는 재료가 연소되는 경우가 종종 나타나는데, 이는 티타늄이 화학적으로 활성이 큰 금속이기 때문에 공구와 마찰이 쉬워저서 공구의 훼손이 심해진다.4) Excessive shrinkage or the formation of thin materials often causes the material to burn. This is because titanium is a chemically active metal, which makes friction with the tool easier and results in severe damage to the tool.

상기와 같은 문제점을 해소하기 위한 종래의 기술로는 수산염(Oxalate) 수용액을 침액방법으로 코팅하여 건조-성형가공하는 방법이며, 이 방법의 결점은 성형 후 잔존하는 수산염 피막을 불산 용액으로 제거하여야 하므로 여러 가지 공해요소를 유발하는 문제점이 있었다.Conventional techniques for solving the above problems is a method of drying-forming by coating an aqueous solution of oxalate (Oxalate) by immersion method, the drawback of this method is that the remaining oxalate film after molding to remove the hydrofluoric acid solution There was a problem causing various pollution factors.

또는, 특수 윤활유에 각종 첨가제를 첨가하여 오일을 이용한 습식 성형법이 있으며, 이는 오일막이 소재와 다이스 간을 격리시킴으로 다소의 성형성을 제공하나, 근본적인 코팅역할이 미흡함으로 인해 공구의 마모현상은 물론 소재의 표면에 심한 스크랫치(끌린 흠)가 발생하는 단점이 있었다.Alternatively, there is a wet molding method using oil by adding various additives to a special lubricant, which provides some formability by isolating the oil film material and the die, but due to the lack of fundamental coating role, wear of the tool as well as material Severe scratches (scratches) occur on the surface.

이로 인해, 고강도의 특수금속을 인발 및 성형가공 시에는 소재와 다이스 사이에서 발생하는 열을 차단시키는 것이 필수적이며, 이 목적을 달성하기 위하여 사용되는 코팅제는 마찰계수가 최대한 적어야 함은 물론, 성형 시에 소재의 연신율에 필적하는 열가소성(Heat Plastic Deformation, 250℃이하)을 가지는 코팅제를 제안하고자 하는 것이다. For this reason, it is essential to cut off the heat generated between the material and the die during drawing and forming of high strength special metals. In order to achieve this purpose, the coating agent used must have the smallest coefficient of friction. To propose a coating having a thermoplastic (Heat Plastic Deformation, 250 ℃ or less) comparable to the elongation of the material.

즉, 고온의 온간소성(溫簡塑性) 가공성을 가진 특수수지에 마찰계수(Friction-coefficient)가 극이 적은 물질을 배합한 후, 여기에 수지의 가소성(可塑性)을 향상시키는 염소화파라핀왁스와, 수지의 열적 안정성을 도모하는 에폭시화유(ESBO)를 첨가하여 혼합한 다음, 톨루엔 용제에 희석시켜 사용하는 코팅제이다.That is, chlorinated paraffin wax which mixes a material having a very low friction coefficient with a special resin having high temperature and hot workability, and improves the plasticity of the resin, Epoxidized oil (ESBO) for achieving thermal stability of the resin is added and mixed, followed by dilution in a toluene solvent to be used.

이를 위해, 본 발명은 성형가공시 사용되는 코팅제에 있어서, 배합중량비 기준으로 말레익아시드수지(Maleic Acid Resin) 18~20중량%와, 염소화파라핀왁스(Chlorinated Paraffin Wax) 3~5중량%와, 에폭시화유(Expoxidized Soy Bean Oil) 1~2중량%와, 폴리테트라플루오르에틸렌(PTFE: Polytelrafluoro Ethylene) 13~15중량%와, 톨루엔(Toluene) 58~60중량%를 포함하는 티타늄 및 티타늄합금의 성형가공용 코팅제를 특징으로 한다.To this end, the present invention is a coating agent used during molding, maleic acid resin (Maleic Acid Resin) 18 to 20% by weight, chlorinated paraffin wax (Chlorinated Paraffin Wax) and, Molding of titanium and titanium alloy containing 1-2 wt% of oxidized Soy Bean Oil, 13-15 wt% of polytetrafluoroethylene (PTFE), and 58-60 wt% of toluene It is characterized by a coating for processing.

본 발명은 저급의 솔벤트에서 잔존하는 피막을 간단히 제거할 수 있으므로 공해 요인을 억제하는 효과와, 소재의 성형효율의 향상에 따른 작업성의 향상 및 높은 절감율의 작업이 가능한 장점과, 에너지의 효율화를 증대시킬 수 있는 경제적인 효과가 있다.The present invention can easily remove the remaining film in the low-level solvent, the effect of suppressing the pollution factor, the workability improvement and the high saving rate work by the improvement of the molding efficiency of the material, and the energy efficiency is increased There is an economic effect that can be made.

본 발명에서 제안하는 티타늄 및 티타늄합금의 성형가공용 코팅제는 배합중량비 기준으로 말레익아시드수지(Maleic Acid Resin) 18~20중량%와, 염소화파라핀왁스(Chlorinated Paraffin Wax) 3~5중량%와, 에폭시화유(Expoxidized Soy Bean Oil) 1~2중량%와, 폴리테트라플루오르에틸렌(PTFE: Polytelrafluoro Ethylene) 13~15중량%와, 톨루엔(Toluene) 58~60중량%로 조성된다.The coating agent for the molding process of the titanium and titanium alloy proposed in the present invention, 18 to 20% by weight of maleic acid resin (Maleic Acid Resin), Chlorinated Paraffin Wax (Chlorinated Paraffin Wax) and epoxy 1 to 2% by weight of Expoxidized Soy Bean Oil, 13 to 15% by weight of polytetrafluoroethylene (PTFE), and 58 to 60% by weight of toluene.

상기의 각 조성물들 중에서 첫째로, 말레익아시드수지(Maleic Acid Resin)는 일명 '변성 말레익아시드수지이라고'도 하며, 담색의 고체로서 로진(Rosin), 무수 마레인산 및 그리세린 3가지를 고온에서 반응시켜 얻을 수 있다. 이때 반응온도는 140도씨 정도이다. 그리고 방향족계의 솔벤트에 잘 녹고, 에스테르검(Ester Gum)에 비하여 내후성과 열 안정성이 좋으며, 제조방식에 따라 융점 산가 용해력 사용성이 다른 수지를 제조할 수 있다.Among the above compositions, first, maleic acid resin (maleic acid resin) is also called 'modified maleic acid resin', and is a light-colored solid of rosin, maleic anhydride, and glycerine at high temperature. It can be obtained by reacting with. The reaction temperature is about 140 degrees Celsius. In addition, the resin is well soluble in aromatic solvents, has better weatherability and thermal stability than ester gums, and has a different melting point acid solubility and usability depending on the preparation method.

주로 가구용락카, 유성바니스, 에말죤페인트의 제조에 사용되고, 특히 고온의 열가소성(Hot Plastic Deformation)을 가지면서도 강력하여 박막의 피막층을 형성하므로, 소재와 다이스 간에 직접적인 마찰을 억제하여서 소재의 가공경화(Work Hardening)를 방지할 뿐만 아니라 단면감소율을 최대로 할 수 있다.It is mainly used for manufacturing furniture lacquer, oily varnish and emerald paint. Especially, it has high temperature thermoplastic (Hot Plastic Deformation) and it is strong to form a thin film layer. In addition to preventing work hardening, the section reduction rate can be maximized.

둘째, 상기의 염소화파라핀왁스(Chlorinated Paraffin Wax)은 파라핀을 염소화한 화합물로서 가소제(可塑劑)로 주로 사용되며, 극압(極壓)을 가하는 인발성형 조건에서는 필수적으로 사용되는 것으로, 화학식은 C25H45C17이고, 비중(比重)은 1.162~1.175이다.Second, the chlorinated paraffin wax (Chlorinated Paraffin Wax) is a chlorinated paraffin compound is mainly used as a plasticizer (可塑 劑), it is used essentially in the draw molding conditions under extreme pressure, the chemical formula is C25H45C17 The specific gravity is 1.162-1.75.

일반적으로 가소제(可塑劑)는 폴리머(Polymer)의 분자 사이에 침투하여 분자 간 힘을 약하게 만들고 분자 사슬(Chain)을 움직이기 쉽게 하는 것으로, 폴리머의 전이점(轉移點)을 저하시켜 유연성을 부여한다. 그리고, 다량 첨가되기 때문에 플라스틱과의 상용성이 좋을 뿐 아니라, 흘러내지 않는 것, 휘발성이 적은 것, 내열성 및 내후성에 뛰어난 것 등, 다양한 특성으로 일정 레벨 이상이 필요하기 때문에 그것들을 만족하는 여러가지 가소제가 개발되어 있다. In general, plasticizers penetrate between molecules of a polymer to weaken the intermolecular forces and make the molecular chains move easily, thereby lowering the transition point of the polymer and providing flexibility. do. In addition, since it is added in a large amount, it is not only compatible with plastics but also requires a certain level or more with various characteristics such as non-flowing, low volatility, excellent heat resistance and weather resistance, and various plasticizers satisfying them. Is developed.

그리고, 염소의 함유율이 40% 또는 70%인 2종류가 있고, 무독, 무취(無臭), 물에는 녹지 않으며, 탄화수소계 용제, 염소화 탄화수소, 에스테르류, 케톤에테르류, 지방유 등에 용해된다. 전기 절연성ㆍ 내화성이 크고, 산ㆍ알칼리 등에도 침투되지 않아서 방수제, 내화처리제, 전기 절연재료 등에 사용된다.In addition, there are two types of chlorine content of 40% or 70%, insoluble in odorless, odorless and insoluble in water, and soluble in hydrocarbon solvents, chlorinated hydrocarbons, esters, ketone ethers and fatty oils. It has high electrical insulation and fire resistance, and does not penetrate into acid, alkali, etc., so it is used for waterproofing agent, fireproofing agent, electrical insulation material and the like.

상기 가소제는 수지와의 상용성 우열에 따라서 1차 가소제와 2차 가소제로 나누고 있는데, 알킬에폭시스테아레이트, 에폭시화 대두유(콩기름), 염소화파라핀, 폴리에스테르 등은 후자에 속한다. 2차 가소제를 단독으로 다량 사용하는 경우는 없고, 보통 1차 가소제(可塑劑)의 15%이하를 치환해 쓴다. 에폭시화합물은 열안정제를 겸하고 2phr～5phr의 범위 내에서 사용한다.The plasticizers are divided into primary plasticizers and secondary plasticizers according to the compatibility superiority with resins. Alkylepoxystearate, epoxidized soybean oil (soybean oil), chlorinated paraffin, polyester, etc. belong to the latter. A large amount of secondary plasticizers are not used alone, and usually 15% or less of the primary plasticizer is substituted. Epoxy compound also serves as a heat stabilizer and is used within the range of 2 phr to 5 phr.

셋째, 상기 에폭시화유(ESBO: Expoxidized Soy Bean Oil, 이라 'ESBO라 함')는 2차 가소제(可塑劑)로서 대부분은 염화비닐수지에 사용되고 있다. 1차 가소제인 염소화파라핀왁스의 결점을 보완한다.Third, the epoxidized oil (ESBO: Expoxidized Soy Bean Oil, referred to as 'ESBO') is a secondary plasticizer (可塑 劑) is mostly used in vinyl chloride resin. Complements the shortcomings of the primary plasticizer, chlorinated paraffin wax.

상기 가소제는 첨가할 수지와 상용성이 좋은 물질이며, 폴리머분자의 사슬 사이에 분산작용 즉, 폴리머분자 사슬의 간격이 열려서 분자가 움직이기 쉬워진다. 또는 첨가량이 많을 경우는 수지 전체가 유연해지고 소량의 첨가로도 가공할 때 흐름이나 연신(延伸)이 좋아진다. 즉, 분자와 분자 사이의 윤활유 역할을 하는 것이다. The plasticizer is a substance having good compatibility with the resin to be added, and the dispersing action between the polymer molecule chains, i.e., the gap between the polymer molecule chains is opened, thereby making the molecules move easily. Or when there is much addition amount, the whole resin becomes soft and flow and extending | stretching improve when processing even with a small amount of addition. In other words, it acts as a lubricant between molecules.

연질(軟質)배합(配合)에서는 가소제의 첨가량이 50phr를 표준으로 하고 있는데, 폴리염화비닐의 중합도, 제품의 두께, 용도 사용환경, 특히 기온 등에 따라서 40phr～100phr의 범위 내로 조절한다. In the soft formulation, the amount of plasticizer added is 50 phr as a standard. The amount of plasticizer is adjusted within the range of 40 phr to 100 phr depending on the degree of polymerization of the polyvinyl chloride, the thickness of the product, the use environment, and especially the temperature.

대표적인 물리적 성질은 아래의 표 1에서 나타내는 바와 같다.Representative physical properties are shown in Table 1 below.

Figure 112007080420207-pat00001
Figure 112007080420207-pat00001

넷째, 상기 폴리테트라플루오르에틸렌(PTFE: Polytelrafluoro ethylene)은 용점 327도씨의 결정성 폴리머로 연속사용 온도는 260도씨이고, 저온(-268도씨)에 고온까지 안정하게 사용할 수 있다. 내약품성(耐藥品性)은 유기 재료 중에서는 최고로 산, 알카리 등, 각종 용제에는 전혀 침해되지 않고, 불소가스, 용융 알칼리 금속, 3불소 등의 특수한약품과 같은 조건에서만 침해되며 가스켓, 패킹 등의 각종 누설방지 소재 등에 이용되고 있다. Fourth, the polytetrafluoroethylene (PTFE: Polytelrafluoro ethylene) is a crystalline polymer having a melting point of 327 degrees Celsius, and the continuous use temperature is 260 degrees Celsius, and can be stably used at a low temperature (-268 degrees Celsius) to a high temperature. Chemical resistance is the highest among organic materials and is not invaded by various solvents such as acids and alkalis, and is only infringed under the same conditions as special chemicals such as fluorine gas, molten alkali metal, and trifluoride. It is used for various leakage preventing materials.

기계적 특성에서는 마찰계수가 작은 것으로 각종 충전재로 보강되며 무급유(無給油) 슬라이딩재의 베어링(Bearing) 등에 사용되고 있다. 또 비접착성(非接着性)도 큰 특징으로 프라이팬이나 각종 강재 등의 코팅용으로 최적이다. 한편, 용착은 되어도 접착제를 사용할 수 없다는 결점이 있다. In mechanical properties, the friction coefficient is small and is reinforced by various fillers and is used for bearings of oil-free sliding materials. In addition, the non-adhesive property is also great and is optimal for coating frying pans and various steel materials. On the other hand, there is a drawback that an adhesive cannot be used even if it is welded.

그리고, 전기특성으로는 유전특성이 가장 우수하며, 광범위한 주파수와 온도범위에 걸쳐서 안정적이고 낮은 유전율 및 유전정접을 나타낸다. In addition, the electrical characteristics are the most excellent dielectric properties, showing a stable and low dielectric constant and dielectric loss over a wide frequency and temperature range.

또한 제반적인 특성은 다음의 표에서 나타내는 바와 같으며, [표 2]는 기계적인 특성을 나타내고 있다.In addition, general characteristics are as showing in the following table | surface, and [Table 2] has shown the mechanical characteristic.

Figure 112007080420207-pat00002
Figure 112007080420207-pat00002

아래의 [표 3]은 열적특성을 나타내고 있다.Table 3 below shows the thermal characteristics.

Figure 112007080420207-pat00003
Figure 112007080420207-pat00003

[표 4]는 전기적인 특성을 나타내는 것이다.Table 4 shows the electrical characteristics.

Figure 112007080420207-pat00004
Figure 112007080420207-pat00004

[표 5]는 일반적인 특성은 아래와 같다.[Table 5] general characteristics are as follows.

Figure 112007080420207-pat00005
Figure 112007080420207-pat00005

상기의 내용들을 정리하면 다음과 같은 특징을 가진다.The above contents are summarized as follows.

1)연속사용온도는 260도씨이고, 고온하에서의 연속 사용할 만하다.1) The continuous use temperature is 260 degrees Celsius, and it is suitable for continuous use under high temperature.

2)저마찰 특성: 모든 고체 중에서 가장 작은 마찰 계수를 나타낸다.2) Low friction characteristics: shows the smallest coefficient of friction among all solids.

3)특별히 뛰어난 내약품성: 대부분 모든 약품에 침범되지 않는다.3) Exceptionally excellent chemical resistance: Most chemicals are not affected.

4)전기적 특성: 낮은 유전율, 유전탄젠트 등, 뛰어난 전기 특성을 가진다.4) Electrical property: It has excellent electrical properties such as low dielectric constant and dielectric tangent.

5)비흡수성: 물의 흡수율이 영(0%)에 가깝다.5) Non-absorbency: Water absorption is near zero (0%).

다섯째로, 상기 톨로엔(Toluene)은 메틸벤젠이라고도 하며, 화학식은 C7H8이고, 특이한 냄새가 나는 무색 액체이며, 분자량은 92.14, 녹는점 －95도씨, 끓는점 110.8도씨, 비중 0.87(15도씨)이다. 물에는 녹지 않지만 에탄올, 에테르, 벤젠 등 대부분의 유기용매와는 임의의 비율로 혼합한다. 유기합성(有機合成)화학에서 중요한 화합물이며, 많은 물질을 합성하는 원료로 사용되고, 용매로서도 광범위한 용도가 있다. 특히 도료의 용제로 사용되는 시너(Thinner)는 톨루엔을 주성분(65%)으로 하여 아세트산에틸 등을 배합한 것이다.Fifth, the toluene is also called methylbenzene, the chemical formula is C 7 H 8 , is a colorless liquid with a specific smell, molecular weight is 92.14, melting point -95 degrees Celsius, boiling point 110.8 degrees, specific gravity 0.87 ( 15 degrees). Insoluble in water, but mixed with most organic solvents such as ethanol, ether, benzene in any ratio. It is an important compound in organic synthesis chemistry, is used as a raw material for synthesizing many substances, and has a wide range of uses as a solvent. In particular, thinners used as solvents for paints contain ethyl acetate and the like with toluene as the main component (65%).

상기와 같은 조성물로서 혼합하여 조성되는 본 발명의 티타늄 및 티타늄합금의 성형가공용 코팅제는 배합중량비 기준으로 상기 말레익아시드수지(Maleic Acid Resin) 18~20중량%에 마찰계수가 극히 적은 폴리테트라플루오르에틸렌(PTFE: Polytelrafluoro Ethylene) 13~15중량%를 혼합한다. 여기서, 상기 말레익아시드수지는 20중량%를 넘지 않도록 하며, 상기 폴리테트라플루오르에틸렌은 15중량%를 넘지 않도록 하는 것이 바람직하다.The coating agent for the molding process of the titanium and titanium alloy of the present invention by mixing as a composition as described above polytetrafluoroethylene having an extremely low coefficient of friction in 18 to 20% by weight of the maleic acid resin (Maleic Acid Resin) based on the blending weight ratio (PTFE: Polytelrafluoro Ethylene) 13 ~ 15% by weight is mixed. Here, the maleic acid resin is preferably not more than 20% by weight, and the polytetrafluoroethylene is preferably not more than 15% by weight.

다음, 가소성을 향상시키는 염소화파라핀왁스(Chlorinated Paraffin Wax) 3~5중량%로 혼합한 후, 수지의 열적 안정성을 도모하는 에폭시화유(Expoxidized Soy Bean Oil) 1~2중량%를 첨가하여 온전히 혼합시킨다. 이와같이 혼합된 코팅제로서의 조성물은 톨루엔(Toluene) 58~60중량%의 용제와 함께 희석하여 사용한다. Next, 3 to 5% by weight of chlorinated paraffin wax to improve plasticity, and then 1 to 2% by weight of epoxidized Soy Bean Oil, which promotes thermal stability of the resin, is mixed thoroughly. . The composition as a coating agent mixed in this way is used diluted with 58 to 60% by weight of toluene solvent.

Claims (1)

성형가공시 사용되는 코팅제에 있어서,In the coating used in the molding process, 배합중량비 기준으로 말레익아시드수지(Maleic Acid Resin) 18~20중량%와, 염소화파라핀왁스(Chlorinated Paraffin Wax) 3~5중량%와, 에폭시화유(Expoxidized Soy Bean Oil) 1~2중량%와, 폴리테트라플루오르에틸렌(PTFE: Polytelrafluoro Ethylene) 13~15중량%와, 톨루엔(Toluene) 58~60중량%를 포함하는 티타늄 및 티타늄합금의 성형가공용 코팅제.18 to 20% by weight of maleic acid resin, 3 to 5% by weight of chlorinated Paraffin Wax, 1 to 2% by weight of oxidized Soy Bean Oil, Polytetrafluoroethylene (PTFE: Polytelrafluoro Ethylene) 13-15% by weight, 58-60% by weight of toluene (Toluene) coating coating for forming and processing titanium and titanium alloy.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0128134B1 (en) * 1994-12-28 1998-04-01 김만제 Resin solution for steel plate coating
JP2001081495A (en) 1999-09-17 2001-03-27 Yuukou Shoji Kk Aqueous lubricant for plastic working of metal
KR20030056261A (en) * 2001-12-27 2003-07-04 (주) 해동금속 binder omitted

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0128134B1 (en) * 1994-12-28 1998-04-01 김만제 Resin solution for steel plate coating
JP2001081495A (en) 1999-09-17 2001-03-27 Yuukou Shoji Kk Aqueous lubricant for plastic working of metal
KR20030056261A (en) * 2001-12-27 2003-07-04 (주) 해동금속 binder omitted

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