KR100810564B1 - Vacuum absorption disc thermoplstic elastomer balance composite and product - Google Patents

Vacuum absorption disc thermoplstic elastomer balance composite and product Download PDF

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KR100810564B1
KR100810564B1 KR1020070035368A KR20070035368A KR100810564B1 KR 100810564 B1 KR100810564 B1 KR 100810564B1 KR 1020070035368 A KR1020070035368 A KR 1020070035368A KR 20070035368 A KR20070035368 A KR 20070035368A KR 100810564 B1 KR100810564 B1 KR 100810564B1
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thermoplastic rubber
weight
vacuum adsorption
composition
adsorption plate
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KR1020070035368A
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Korean (ko)
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김종인
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주식회사 새샘
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/22—Thermoplastic resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A thermoplastic rubber composition for molding a vacuum adsorption plate, and a vacuum adsorption plate obtained from the composition are provided to improve hardness, adsorption, adhesion, flexibility, heat resistant antiaging property and cold resistance. A thermoplastic rubber composition for molding a vacuum adsorption plat comprises 40-45 wt% of a polystyrene-based resin of a thermoplastic rubber; 19 wt% of a paraffin oil; 1 wt% of an antioxidizing agent; 10-15 wt% of a polyurethane compound of a thermoplastic rubber; 20 wt% of a polyolefin-based plastomer polymer; and 5 wt% of polypropylene.

Description

진공 흡착판 성형용 열가소성 고무 조성물 및 이에 의해 얻어지는 진공 흡착판{Vacuum absorption disc thermoplstic elastomer balance composite and product}Thermoplastic rubber composition for vacuum adsorption plate molding and vacuum adsorption plate obtained thereby {Vacuum absorption disc thermoplstic elastomer balance composite and product}

본 발명은 진공 흡착판 성형용 열가소성 고무(TPE) 조성물 및 그 성형 제품에 관한 것으로서, 더욱 구체적으로는 각종 벽면에 진공 흡착되어 물체를 걸거나 지지하는데 사용되는 진공 흡착판의 용도에 알맞은 양호한 경도성, 흡착성, 밀착성, 유연성, 내열 노화성, 내한성 등의 물리적 특성을 제공할 수 있도록 한 진공 흡착판 성형용 열가소성 고무 조성물 및 이에 의해 얻어지는 진공 흡착판에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermoplastic rubber (TPE) composition for forming a vacuum adsorption plate and a molded article thereof, and more particularly, to good hardness and adsorption property suitable for use of a vacuum adsorption plate used to hang or support an object by vacuum adsorption on various walls. The present invention relates to a thermoplastic rubber composition for forming a vacuum adsorption plate capable of providing physical properties such as adhesion, flexibility, heat aging resistance, and cold resistance, and a vacuum adsorption plate obtained thereby.

종래 사용되고 있는 PVC(Polyvinlchloride, 폴리염화비닐)소재의 진공 흡착판은 소재의 특성상 온도의 변화에 매우 취약하며, 딱딱한 수지의 특성상, 유연성, 내충격성, 인장성, 탄성 복원력, 내열성, 내한성 및 내구성이 매우 약하다.The vacuum suction plate of PVC (Polyvinlchloride) material used in the prior art is very vulnerable to temperature change due to the characteristics of the material. weak.

따라서, 종래 PVC소재로 제작된 진공 흡착판은, 진공 흡착력이 약하여 사용도중 벽면으로부터 떨어지거나, 또는 지지 강도가 약하여 물체의 하중에 쉽게 견디지 못하여 탈리(떨어짐)되는 문제가 있었다. 또한 PVC소재의 진공 흡착판은 환경 및 인체에 유해한 소재로서, 환경에 노출시 인체에 유해하고, 또 성형시 독가스(염소)가 발생하는 문제와 더불어 환경 호로몬 유해 물질이 발생되는 제조상, 사용상의 문제가 있다. 또한 범용수지로서 가격이 저렴한데 비하여 비중이 높아 작업환경이 현저하게 저하되는 문제가 있다.Therefore, the vacuum suction plate made of a conventional PVC material has a problem in that the vacuum suction force is weak and falls off from the wall during use, or the support strength is weak so that the vacuum suction plate cannot easily withstand the load of the object and is detached (falls). In addition, the vacuum adsorption plate made of PVC material is harmful to the environment and human body.It is harmful to the human body when exposed to the environment, and poisonous gas (chlorine) is generated during molding, and environmental and hormonal harmful substances are produced. have. In addition, there is a problem in that the working environment is significantly reduced due to the high proportion of the general purpose resin, while the price is low.

하지만, 해당 업계에서는 종래 PVC소재의 진공 흡착판의 여러 문제점에도 불구하고, 제조 단가가 저렴하다는 이류로 이에 대한 개발 노력을 기울이지 않고 있는 실정이다.However, in the industry, despite various problems of the conventional vacuum adsorption plate of PVC material, the situation is not making efforts to develop for this reason that the manufacturing cost is cheap.

이에 본 발명자는 오랜 시간 연구 결과를 통해 범용수지인 PVC에 비해서는 다소 가격이 높지만 무독성 친환경 소재인 열가소성 고무(TPE)중 폴리스티렌계 수지를 주원료로 하고, 이에 기타 부재료들을 혼합 사용하여 제조하는 경우, 진공 흡착판의 용도에 알맞은 최적의 경도를 가질 뿐 아니라 내한성, 탄성 흡착력 등의 물리적 특성을 갖는 진공 흡착판을 제조할 수 있음을 확인하였으며, 이에 본 발명은 이에 기초하여 완성하게 된 것이다.Accordingly, the inventors of the present invention have been using polystyrene resin as a main raw material in thermoplastic rubber (TPE), which is somewhat higher in price than the general-purpose resin, but non-toxic eco-friendly material, based on a long time research result. It was confirmed that not only has an optimum hardness suitable for the purpose of the vacuum adsorption plate but also a vacuum adsorption plate having physical properties such as cold resistance and elastic adsorption force, and thus the present invention has been completed based on this.

따라서, 본 발명의 목적은 종래 PVC소재의 진공 흡착판을 대신하여 우수한 경도 및 양호한 작업성 및 가공성을 갖는 무독성 소재의 진공 흡착판을 제조하기 위한 진공 흡착판 성형용 열가소성 고무(TPE) 조성물 및 이를 이용하여 제조되는 진공흡착판을 제공함에 그 목적이 있다.Accordingly, an object of the present invention is a thermoplastic rubber (TPE) composition for forming a vacuum adsorption plate for producing a vacuum adsorption plate of a non-toxic material having excellent hardness, good workability and processability in place of the vacuum adsorption plate of a conventional PVC material, and manufacturing using the same. Its purpose is to provide a vacuum adsorption plate.

상기한 목적을 달성하기 위한 본 발명의 조성물은, 구성비계 100중량%를 기 준으로, 주성분인 열가소성고무(TPE)중 폴리스티렌계 수지 40~45중량%에 대해, 부성분으로 파라핀오일(paraffinoil) 19중량%, 산화방지제(antioxidant) 1중량%, 열가소성고무중 폴리우레탄 콤파운더(TPU COUMPOUND) 10~15중량%, 폴리올레핀계의 플라스토마 폴리머(plastomerpolymer) 20중량%, 폴리프로필렌(polypropylene) 5중량%로 구성된다.The composition of the present invention for achieving the above object, based on 100% by weight of the composition ratio, based on 40 to 45% by weight of polystyrene resin in the thermoplastic rubber (TPE) as the main component, paraffinoil (paraffinoil) 19 % By weight, 1% by weight of antioxidant, 10-15% by weight of TPU COUMPOUND in thermoplastic rubber, 20% by weight of polyolefin-based plasma polymer, 5% by weight of polypropylene It consists of.

상기한 조성물은, 사출기에 넣어져 일정한 작업 조건에서 진공 흡착판으로 사출되어진다. 이러한 진공 흡착판은 용용수지 온도 180~210℃, 사출압력 45~50㎏/㎠, 금형온도 40~50℃, 사출시간 35~40초의 조건에서 용융 사출되어 진다.The composition is placed in an injection molding machine and injected into a vacuum suction plate under constant working conditions. The vacuum suction plate is melt-injected under the conditions of the melt temperature of 180 ~ 210 ℃, injection pressure 45 ~ 50kg / ㎠, mold temperature 40 ~ 50 ℃, injection time 35 ~ 40 seconds.

이하, 본 발명은 구체적으로 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.

먼저, 본 발명에서 주원료로서, 열가소성 고무(TPE)가 사용된다. 이는 가황(加黃)하지 않고 선상고분자(線狀高分子)인 채로 고무 탄성(彈性)을 띠는 고무로서, 열가소성 엘라스토머(Thermoplstic Elastomer) 또는 열가소성 고무라고 불리어진다. 그 종류로는 폴리스티렌계 수지가 이용되는바, 이는 고온에서는 소성변형이 가능해 플라스틱의 가공기(사출, 압출기)에 성형할 수 있는 고분자 재료이다. 열가소성고무(TPE)의 종류로는, 폴리스티렌계(SBS,SIS 등), 폴리올레핀계(TPO, TPV), 폴리디올리핀계, 염소계, 엔지니어링플라스틱계(TPU, TPEE) 등이 있다.First, thermoplastic rubber (TPE) is used as the main raw material in the present invention. It is a rubber that has rubber elasticity without being vulcanized and is a linear polymer, and is called a thermoplastic elastomer or a thermoplastic rubber. Polystyrene-based resin is used as the type, which is a polymer material that can be plastically deformed at a high temperature and can be molded into a plastic processing machine (injection or extruder). Examples of the thermoplastic rubbers (TPE) include polystyrenes (SBS, SIS, etc.), polyolefins (TPO, TPV), polydiolefins, chlorine, and engineering plastics (TPU, TPEE).

이러한 열가소성고무(TPE)의 특징으로는 탄성이 있어, 필름, 시트, 접착제의 고분자 응용제품에 고기능이나 고성능의 부여가 가능하고, 수지성분과 고무성분을 포함하고 있기 때문에 각종 폴리머얼로이의 상용화제로 유효하게 이용되고 있다. 다만, 코스트가 다소 높다는 결점을 갖고 있다.The characteristics of the thermoplastic rubber (TPE) is elastic, and it is possible to impart high performance or high performance to polymer application products of films, sheets, and adhesives, and because it contains a resin component and a rubber component, it is a compatibilizer for various polymer alloys. It is used effectively. However, the cost is rather high.

하지만 코스트가 높음에도 불구하고, 친환경 무독소재로서 성형시 독가스의 배출 발생이 없어 무독, 무취, 무해하며, 부드러운 촉감과 느낌이 외부온도에 상관없이 유지되며, 특히 저온(-45℃)특성으로 인해 내한성이 매우 우수하다. 또한 비중이 0.92~1.04로서 낮아 제품 가공성이 매우 우수한 작업 특성을 가지고 있다. 또한, 투명성, 복원력, 끈끈함, 논-슬립(NON-SLIP), 유연성, 신율(인장)이 매우 우수하다. 특히 친환경 소재로서 환경 규제의 영향 없이 제품을 성형 가공할 수 있다는 큰 이점을 가지고 있다.However, despite the high cost, it is non-toxic, odorless and harmless because it is an eco-friendly non-toxic material and does not emit any toxic gas during molding.The soft touch and feel is maintained regardless of the external temperature, especially due to the low temperature (-45 ℃) characteristics. Cold resistance is very good. In addition, the specific gravity is 0.92 ~ 1.04, so it has very good workability. In addition, it has excellent transparency, resilience, stickiness, non-slip, flexibility and elongation. In particular, it is an eco-friendly material that can be molded and processed without the influence of environmental regulations.

이러한 열가소성 고무(TPE)중 폴리스티렌계 수지는 전체 조성물의 구성비계 100중량%를 기준으로, 40~45중량%가 사용됨이 바람직하다.The polystyrene-based resin in the thermoplastic rubber (TPE) is preferably 40 to 45% by weight based on 100% by weight of the composition ratio of the entire composition.

그리고, 본 발명의 조성물을 구성하는 부원료로서, 파라핀 오일(paraffinoil) 이 사용되어 지는바, 이는 압출 및 사출성형시 우수한 생산성을 제공하고, 뭉침 현상을 없애고, 표면 개선 효과를 갖는다. 또한, 산화방지제(antioxidant)는 햇빛에 의한 탈색(누렇게 변하는 성질), 노화를 방지하고, 또 고무의 수명이 연장되어 진다. 또한, 열가소성 고무중 폴리우레탄 콤파운더(TPU COUMPOUND)는 엔지니어링 플라스틱계로서, 주재료에서의 부족한 물성을 보강하고, 양호한 유연성, 인장력, 탄성력, 내구성, 복원력, 신율, 내열성, 밀착 우수성을 제공하게 된다. 또한, 폴리올레핀계의 플라스토마 폴리머(plastomerpolymer)는 각 구성부재간의 혼합 및 물성, 분자 구조를 안정적으로 유지하기 위하여 첨가된다. 또한, 폴리프로필렌(polypropylene)은, 경도 조절 및 내열성을 강화하기 위해 각각 적정량이 첨가 혼합된다.In addition, paraffin oil is used as an auxiliary material constituting the composition of the present invention, which provides excellent productivity during extrusion and injection molding, eliminates agglomeration, and has a surface improving effect. In addition, the antioxidant (antioxidant) prevents discoloration (yellowing properties), aging due to sunlight, and extends the life of the rubber. In addition, the polyurethane compound (TPU COUMPOUND) of the thermoplastic rubber is an engineering plastics, and reinforces the insufficient physical properties in the main material and provides good flexibility, tensile force, elastic force, durability, restoring force, elongation, heat resistance, and adhesion. In addition, a polyolefin-based plasomer polymer is added to stably maintain the mixing, physical properties, and molecular structure of each component. In addition, polypropylene (polypropylene) is added and mixed in an appropriate amount in order to enhance hardness control and heat resistance.

상기한 각 부원료들은 주원료인 열가소성 고무(TPE)의 폴리스티렌 수지에 대하여 적정한 배합비율을 가짐이 바람직하다. 예컨대, 주원료인 열가소성 고무(TPE)의 폴리스티렌수지 40~45중량%를 기준으로 할 때 파라핀 오일은 19중량%, 산화방지제(antioxidant) 1중량%, 열가소성 고무 중 폴리우레탄 콤파운더(TPU COUMPOUND) 10~15중량%, 폴리올레핀계의 플라스토마 폴리머(plastomerpolymer) 20중량%, 폴리프로필렌(polypropylene) 5중량%로 각각 혼합 구성됨이 바람직하다.Each of the above subsidiary materials preferably has an appropriate blending ratio with respect to the polystyrene resin of the thermoplastic rubber (TPE) as the main raw material. For example, based on 40 to 45% by weight of polystyrene resin of the main raw material of thermoplastic rubber (TPE), 19% by weight of paraffin oil, 1% by weight of antioxidant, and polyurethane compound (TPU COUMPOUND) in thermoplastic rubber 10 Preferably, the mixture is composed of 15 wt%, 20 wt% of polyolefin-based plastomomer polymer, and 5 wt% of polypropylene.

상기와 같은 배합 비율로 구성되는 각 진공 흡착판 성형용 조성물은, 약 45~50℃로 가열되고 있는 혼합기(일명, 슈퍼 믹서기)에 넣어 15~20분간 약 400~450rpm으로 교반 혼합하고, 이렇게 혼합이 완료된 혼합물은 다시 160~180℃의 압출 온도를 가지는 트윈 압출기를 통과시켜 용융 혼련(混練)시키며, 상기 압출기를 통해 용융 혼련된 용융물을 다시 성형금형을 통해 압출하고 일정한 크기로 절단하는 과정을 통해 펠릿 형태로 제조되어 진다. 이렇게 얻어지는 조성물은 본 발명에 따른 진공 흡착판의 사출 성형 재료로 이용되어 진다.Each vacuum adsorption plate molding composition composed of the above mixing ratio is put into a mixer (aka super mixer) heated at about 45 to 50 ° C. and stirred and mixed at about 400 to 450 rpm for 15 to 20 minutes. The completed mixture is melt kneaded by passing through a twin extruder having an extrusion temperature of 160 ~ 180 ℃ again, pellets through the process of extruding the melt kneaded melt through the mold again and cut to a constant size It is manufactured in the form. The composition thus obtained is used as an injection molding material for the vacuum suction plate according to the present invention.

상기한 펠릿 상의 사출 성형소재를 이용하여 진공 흡착판으로 사출하는 과정을 설명한다.The process of injection into the vacuum adsorption plate using the injection molding material on the pellet will be described.

즉, 상기한 펠릿 상의 성형소재는 용융수지 온도 180~210℃, 사출압력 45~50㎏/㎠, 금형온도 40~50℃, 사출시간 35~40초(냉각시간 포함)의 조건에서 용융 사출되어 지는 일련의 과정을 통해 소정 형상을 갖는 진공 흡착판이 사출되어 질 수 있는 것이다. 한편 상기 과정에서 필요한 경우 진공 흡착판에 색상을 부여하기 위한 안료가 더 첨가될 수도 있을 것이다.That is, the molding material on the pellet is melt-injected under the conditions of melt temperature 180 ~ 210 ℃, injection pressure 45 ~ 50kg / ㎠, mold temperature 40 ~ 50 ℃, injection time 35 ~ 40 seconds (including cooling time) The vacuum suction plate having a predetermined shape can be injected through a series of losing processes. Meanwhile, if necessary in the above process, a pigment may be added to give a color to the vacuum suction plate.

본 발명의 조성물을 이용하여 제조되는 진공 흡착판은 그 용도와 기능에 따라 다양한 형태를 가질 수 있다. 그리고, 상기한 과정을 통해 사출되어진 제품, 예컨대 진공 흡착판은, 측정 결과 쇼와 경도(Shore Hardness ‘A’)가 60~70을 가지게 되어, 진공 흡착판 용도에 매우 적합한 경도를 얻게 된다. 예를 들어 종래 PVC소재를 이용하던 것에 비하여 안정된 경도를 얻을 수 있는 것이다. 그리고, 본 발명에 따른 조성물을 이용하여 진공 흡착판의 사출 성형과정에서 소재의 특성상 유독 가스의 무 발생으로 인해 작업 환경의 향상은 물론 대량 생산이 가능하게 되었다.The vacuum adsorption plate manufactured using the composition of the present invention may have various forms depending on its use and function. In addition, the product, for example, the vacuum suction plate injected through the above process, has a Showa hardness (Shore Hardness 'A') of 60 to 70 as a result of measurement, thereby obtaining a hardness that is very suitable for vacuum suction plate use. For example, it is possible to obtain a stable hardness compared to using a conventional PVC material. In addition, by using the composition according to the present invention, due to the nature of the material in the injection molding process of the vacuum adsorption plate due to the generation of no toxic gas, it is possible to improve the working environment as well as mass production.

또한, 열가소성 고무 조성물의 특성상, 탄성 복원력, 유수한 밀착성, 논 슬립에 의해 안정된 물리적 특성의 제공이 가능하게 되고, 또 내한성이 우수하여 -45℃에서도 부드러운 촉감 및 느낌이 유지되어 진공 흡착판의 용도로서 전혀 손색이 없음을 확인할 수 있었다.In addition, due to the properties of the thermoplastic rubber composition, it is possible to provide stable physical properties by elastic restoring force, excellent adhesion, and non-slip, and excellent cold resistance, so that the soft touch and feel are maintained even at -45 ° C, so that it is not used as a vacuum suction plate. It was confirmed that there is no inferiority.

특히 본 발명의 조성물을 이용하여 제조된 진공 흡착판은 전술함 바와 같이 무독, 무취로 인해 인체에 전혀 해를 끼치지 않는 친환경 제품으로서, 안정성의 확보가 가능하다는 이점도 아울러 갖는다.In particular, the vacuum adsorption plate manufactured using the composition of the present invention is an eco-friendly product that does not harm the human body at all due to its non-toxicity and odorlessness, and also has the advantage of ensuring stability.

이상과 같이 본 발명에 따르면, 열가소성 고무를 주성분으로 하여 진공 흡착판의 용도에 알 맞는 조성물을 얻음으로써, 종래 PVC소재를 대체할 수 있는 친환경 무독 제품을 얻을 수 있고, 또 사출 성형시 독가스의 무 발생으로 인해 인체에 해로운 환경호로몬 물질의 배출이 방지되어 사용 안정성 및 작업 환경성을 크게 개선 시 킬 수 있으며, 또한, 양호한 경도 유지를 통한 인장력과 탄성력 유지 및 내한성 등의 우수성으로 인해 온도에 관계없이 부드러운 촉감과 느낌을 상시 유지할 수 있는 진공 흡착판의 제조가 가능한 조성물을 제공하게 된다.According to the present invention as described above, by obtaining a composition suitable for the use of the vacuum adsorption plate based on the thermoplastic rubber as a main component, it is possible to obtain an environment-friendly non-toxic product that can replace the conventional PVC material, and no generation of poison gas during injection molding This prevents the release of environmental hormonal substances that are harmful to the human body, which greatly improves the use stability and working environment.In addition, it has a soft touch regardless of temperature due to excellent tensile strength and elasticity maintenance and cold resistance through good hardness. It is to provide a composition capable of producing a vacuum adsorption plate that can always maintain the feeling.

Claims (4)

구성비계 100중량%를 기준으로, 주성분인 열가소성 고무(TPE)중 폴리스티렌계 수지 40~45중량%에 대해, 부성분으로 파라핀 오일(paraffinoil) 19중량%, 산화방지제(antioxidant) 1중량%, 열가소성고무중 폴리우레탄 콤파운더(TPU COUMPOUND) 10~15중량%, 폴리올레핀계의 플라스토마 폴리머(plastomerpolymer) 20중량%, 폴리프로필렌(polypropylene) 5중량%로 구성된 것을 특징으로 하는 진공 흡착판 성형용 열가소성 고무 조성물.Based on 100% by weight of the component scaffold, 40 to 45% by weight of polystyrene resin in the main component of the thermoplastic rubber (TPE), 19% by weight of paraffinoil, 1% by weight of antioxidant, and thermoplastic rubber A thermoplastic rubber composition for forming a vacuum adsorption plate, comprising 10 to 15% by weight of a polyurethane compound (TPU COUMPOUND), 20% by weight of a polyolefin-based plasma polymer, and 5% by weight of polypropylene. 제1항의 조성물을 사출 성형하여 얻어진 진공 흡착판.A vacuum suction plate obtained by injection molding the composition of claim 1. 제2항에 있어서, 진공 흡착판은, 용용수지 온도 180~210℃, 사출압력 45~50㎏/㎠, 금형온도 40~50℃, 사출시간 35~40초의 조건하에서 용융 및 사출되어 짐을 특징으로 하는 열가소성 고무 조성물에 의해 얻어지는 진공 흡착판.The vacuum suction plate according to claim 2, wherein the vacuum suction plate is melted and injected under conditions of a melt resin temperature of 180 to 210 ° C, an injection pressure of 45 to 50 kg / cm 2, a mold temperature of 40 to 50 ° C, and an injection time of 35 to 40 seconds. A vacuum suction plate obtained by a thermoplastic rubber composition. 제2항 또는 제3항에 의해 얻어지는 제품은 쇼와 경도(Shore Hardness ‘A’)가 60~70인 것을 특징으로 하는 열가소성 고무 조성물에 의해 얻어지는 진공 흡착판.The vacuum adsorption plate obtained by the thermoplastic rubber composition of Claim 2 or 3 whose Shore Hardness "A" is 60-70.
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