KR102204944B1 - Composition for Electric Wire and Cable with enhanced Flame Retardant - Google Patents
Composition for Electric Wire and Cable with enhanced Flame Retardant Download PDFInfo
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Abstract
Description
본 발명은 내연성이 강화된 전선 케이블용 조성물에 관한 것으로, 보다 상세하게는 난연성, 내수성, 내구성 및 내유성이 우수한, 내연성이 강화된 전선 케이블용 조성물에 관한 것이다.The present invention relates to a composition for an electric wire cable with enhanced flame resistance, and more particularly, to a composition for an electric wire cable with enhanced flame resistance, excellent in flame resistance, water resistance, durability and oil resistance.
전자기기 및 자동차의 내부배선으로 많이 사용되는 원료는 낮은 가격의 경제성과 우수한 물성을 가지고 있는 할로겐 계열의 원료가 많이 사용되고 있다.As raw materials that are widely used for internal wiring of electronic devices and automobiles, halogen-based raw materials having low cost economics and excellent physical properties are widely used.
특히, 폴리염화비닐(Polyvinyl chloride, PVC)는 안정된 물성과 난연성 및 인장특성 등이 우수하고, 경제성이 우수하여 자동차 및 전자기기용 내부배선 등의 베이스 수지로 널리 사용되고 있다. 이러한 PVC 수지를 포함하는 전선 제조시에는 프탈레이트계 가소제를 포함하게 되는데, 상기 프탈레이트계 가소제 및 PVC는 환경 호르몬 등 인체에 좋지 않은 영향을 주며 소각 시 염산(HCl) 가스 등의 유해가스가 발생하여 인체 및 환경에 나쁜 영향을 미치고 있다. 최근에는 기관과 고객의 친환경에 대한 요구로 인해 PVC의 사용이 점차 감소 및 금지되고 있으며, 이에 따라 PVC 수지의 물성에 대응할 수 있는 수지의 개발이 요구되는 실정이다. 또한, 이러한 PVC는 난연보조제로 삼산화 안티몬(Sb2O3)을 함께 사용하여 전선 등을 제조하고 있으나, 이러한 삼산화 안티몬을 포함하는 전선의 경우, 연소시 발암성 물질을 포함하는 유독가스가 발생하여 사용이 규제되고 있다.In particular, polyvinyl chloride (PVC) is widely used as a base resin for internal wiring for automobiles and electronic devices due to its excellent stable physical properties, flame retardancy and tensile properties, and excellent economical properties. When manufacturing wires containing such PVC resin, phthalate plasticizers are included.The phthalate plasticizers and PVC adversely affect the human body such as environmental hormones, and harmful gases such as hydrochloric acid (HCl) gas are generated during incineration. And has a bad impact on the environment. In recent years, the use of PVC has been gradually reduced and banned due to the demand for environment-friendliness by organizations and customers, and accordingly, the development of resins that can respond to the physical properties of PVC resins is required. In addition, such PVC uses antimony trioxide (Sb 2 O 3 ) as a flame retardant auxiliary to manufacture electric wires, but in the case of electric wires containing such antimony trioxide, toxic gases containing carcinogenic substances are generated during combustion. Use is regulated.
대한민국등록특허공보 제10-0586113호(2006.06.07)에서는 PVC 수지, 인계 난연성 가소제, 브롬계 난연성 가소제, 프탈레이트계 가소제, 삼산화 안티몬 및 무기 수산화물 등을 포함하여 열안정성, 난연성이 우수한 시스 및 케이블을 형성하는 구성이 개시되고 있으나, 상기 시스 및 케이블의 연소시 조성물에 포함된 PVC 수지, 프탈레이트계 가소제 및 삼산화 안티몬 등에서 유해물질이 발생하는 문제점이 있다.In Korean Patent Publication No. 10-0586113 (2006.06.07), sheaths and cables with excellent thermal stability and flame retardancy, including PVC resin, phosphorus flame retardant plasticizer, bromine flame retardant plasticizer, phthalate plasticizer, antimony trioxide and inorganic hydroxide, etc. Although the constitution to form is disclosed, there is a problem that harmful substances are generated from the PVC resin, phthalate plasticizer, and antimony trioxide contained in the composition upon combustion of the sheath and cable.
할로겐 계열의 원료는 환경 및 인체에 대한 유해성으로 인해 최근 친환경 제품에 대한 요구가 점차 증가되고 있으며 이에 대응하기 위한 친환경 소재의 개발이 지속적으로 이루어져야 하는 실정이다. 그리고 PVC에 준하는 기계적 강도를 갖는 베이스 수지를 선택하고, 난연제의 다량첨가로 인한 기계적 강도의 저하문제를 동시에 해결해야 하는 문제점이 있었다.Halogen-based raw materials have a growing demand for eco-friendly products due to their harmfulness to the environment and the human body, and the development of eco-friendly materials to cope with this has to be continuously made. In addition, there is a problem in that a base resin having a mechanical strength comparable to PVC is selected, and the problem of a decrease in mechanical strength due to the addition of a large amount of flame retardant must be simultaneously solved.
이를 대체하기 위하여 PVC는 폴리올레핀 계열 또는 할로겐프리의 열가소성 폴리올레핀으로 대체를 하고 브롬계 난연제 또한 할로겐 원소가 들어있지 않는 무기계 난연제 또는 인계난연제로 대체하는 방법이 있다. 하지만 이러한 경우 자체소화성이 있는 PVC와 난연효율이 뛰어난 Br계 난연제의 동등한 난연특성을 맞추기 위하여 다량의 난연제가 투입되어야 하고 이로 인해 수지의 경도상승을 유발하여 유연성이 저하되는 문제점이 있었다.To replace this, there is a method of replacing PVC with polyolefin-based or halogen-free thermoplastic polyolefin, and bromine-based flame retardants and inorganic flame retardants or phosphorus-based flame retardants that do not contain halogen elements. However, in this case, a large amount of flame retardant must be added in order to match the same flame retardant characteristics of PVC with self-extinguishing property and Br-based flame retardant with excellent flame retardant efficiency, and this causes an increase in the hardness of the resin, thereby reducing the flexibility.
일반적으로 논할로겐 난연제로는 무기계난연제(수산화 마그네슘, 수산화 알루미늄)와 인계난연제가 사용되고 있다. 무기계 난연제는 값이 저렴하여 많은 논할로겐 난연수지에 사용되고 있다. 금속 수산화물 난연제는 친환경적임에도 불구하고 UL-V0와 같이 높은 등급의 난연을 얻기 위해서는 상당히 많은 양을 사용해야만 하는데 이럴 경우 최종제품에서 고충격강도, 특히 전선에서 전기적 특성에 좋지 않은 영향을 줄 수 있다.In general, inorganic flame retardants (magnesium hydroxide, aluminum hydroxide) and phosphorus flame retardants are used as non-halogen flame retardants. Since inorganic flame retardants are inexpensive, they are used in many non-halogen flame retardant resins. Although metal hydroxide flame retardants are eco-friendly, they must be used in a fairly large amount to obtain a high grade flame retardant such as UL-V0. In this case, high impact strength in the final product, especially in electric wires, may adversely affect electrical properties.
한편 전자기기 배선의 경우 난연 테스트 중 가장 가혹한 조건 시험 중 하나인 UL 758 기준 VW-1 테스트 합격 등 고난연 성질이 요구되고 있으며, 이를 만족하기 위해 베이스 수지에 난연제 함량이 30 중량% 이상, 많게는 50 중량% 이상 다량 첨가되어, 이로 인해 전선의 유연성 및 기계적 물성이 저하되는 문제점이 있다. 상기 PVC 에는 자체 소화성이 있으며, 난연보조제인 삼산화 안티몬(Sb2O3)의 첨가로 난연성을 부여하는 데에 큰 어려움이 없다. 하지만 PVC를 사용하지 않고 폴리올레핀(Poly Olefin) 또는 열가소성 계열의 수지를 사용하게 되면, 난연성을 부여하는 데에 큰 어려움이 있을 뿐만 아니라 저가인 PVC를 대체하는 소재는 대부분 가격이 높은 편이어서 생산비용이 증가하는 문제점이 있다.Meanwhile, in the case of electronic device wiring, high flame retardant properties are required, such as passing the UL 758 standard VW-1 test, which is one of the harshest conditions among flame retardant tests.To satisfy this, the content of flame retardant in the base resin is 30% by weight or more, up to 50. It is added in a large amount of not less than% by weight, thereby reducing the flexibility and mechanical properties of the wire. The PVC has self-extinguishing properties, and there is no great difficulty in imparting flame retardancy by the addition of antimony trioxide (Sb 2 O 3 ), which is a flame retardant auxiliary. However, if PVC is not used and polyolefin or thermoplastic resin is used, there is a great difficulty in imparting flame retardancy, and most of the materials that replace PVC, which are inexpensive, are on the high price side, so the production cost is high. There is an increasing problem.
본 발명의 목적은 난연성 및 내수성이 우수한, 내연성이 강화된 전선 케이블용 조성물을 제공하는 것이다.It is an object of the present invention to provide a composition for an electric wire cable with enhanced flame resistance and excellent water resistance.
본 발명의 다른 목적은 내구성 및 내유성이 우수한, 내연성이 강화된 전선 케이블용 조성물을 제공하는 것이다.Another object of the present invention is to provide a composition for an electric wire cable with excellent durability and oil resistance, and enhanced flame resistance.
상기 목적을 달성하기 위하여 본 발명은 다음과 같은 수단을 제공한다.In order to achieve the above object, the present invention provides the following means.
본 발명은, 열가소성수지 40~50중량%, 열가소성 엘라스토머 20~30중량%, 상용화제 1~5중량%, 난연제 10~20중량%, 산화방지제 0.1~5중량% 및 활제 0.01~3중량%를 포함하되, 상기 열가소성수지는 폴리에틸렌 40중량%, 폴리프로필렌 40중량%, 폴리에틸렌테레프탈레이트 10중량% 및 폴리뷰틸렌테레프탈레이트 10중량%를 포함하며, 상기 열가소성 엘라스토머는 에틸렌-프로필렌-디엔(EPDM) 엘라스토머 30중량%, 말레산 무수물 그래프트된 에틸렌-프로필렌-디엔(Mg-g-EPDM) 30중량%, 열가소성 가황물(thermoplastic vulcanizates, TPVs) 20중량% 및 폴리우레탄/엘라스토머 블록 공중합체(polyurethane/elastomer block copolymers, TPUs) 20중량%를 포함하며, 상기 상용화제는 메틸 아크릴레이트 무수물(methyl acrylate anhyderde) 50중량%, 말레산 무수물의 그래프트율이 20~25%인 에틸렌-프로필렌-디엔 모노머(EPDM) 30중량% 및 트리알릴 시아누레이트(Triallyl cyanurate, TAC) 20중량%를 포함하며, 상기 난연제는 적인(Red Phosphorus) 50중량%, 규산칼륨 30중량% 및 붕산 20중량%를 포함하는, 내연성이 강화된 전선 케이블용 조성물을 제공한다.The present invention comprises 40 to 50% by weight of a thermoplastic resin, 20 to 30% by weight of a thermoplastic elastomer, 1 to 5% by weight of a compatibilizer, 10 to 20% by weight of a flame retardant, 0.1 to 5% by weight of an antioxidant, and 0.01 to 3% by weight of a lubricant. Including, wherein the thermoplastic resin comprises 40% by weight of polyethylene, 40% by weight of polypropylene, 10% by weight of polyethylene terephthalate and 10% by weight of polybutylene terephthalate, and the thermoplastic elastomer is an ethylene-propylene-diene (EPDM) elastomer 30% by weight, maleic anhydride grafted ethylene-propylene-diene (Mg-g-EPDM) 30% by weight, thermoplastic vulcanizates (TPVs) 20% by weight and polyurethane/elastomer block copolymer (polyurethane/elastomer block) copolymers, TPUs) 20% by weight, and the compatibilizer is ethylene-propylene-diene monomer (EPDM) 30 having 50% by weight of methyl acrylate anhyderde and 20-25% of maleic anhydride grafting ratio Contains 20% by weight and 20% by weight of triallyl cyanurate (TAC), and the flame retardant contains 50% by weight of Red Phosphorus, 30% by weight of potassium silicate and 20% by weight of boric acid. It provides a composition for an electric wire cable.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내연성 강화제 1~5중량부를 추가적으로 포함하되, 상기 내연성 강화제는 운모 40중량%, 질석 20중량%, 팽창흑연 10중량%, 퍼라이트 10중량%, 규조토 10중량% 및 고령토 10중량%를 포함한다.The flame resistance reinforced electric wire cable composition 100 parts by weight additionally include 1 to 5 parts by weight of a flame resistance reinforcing agent, wherein the flame resistance enhancer is mica 40% by weight, vermiculite 20% by weight, expanded graphite 10% by weight, perlite 10% by weight, diatomaceous earth It contains 10% by weight and 10% by weight of kaolin.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내수성 향상제 1~5중량부를 추가적으로 포함하되, 상기 내수성 향상제는 세레신왁스 60중량% 및 미네랄오일 40중량%를 포함한다.An additional 1 to 5 parts by weight of a water resistance improver is included in 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance, and the water resistance improving agent includes 60% by weight of ceresin wax and 40% by weight of mineral oil.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내구성 향상제 1~5중량부를 추가적으로 포함하되, 상기 내구성향상제는 에폭시 변성 아크릴 공중합체 40중량%, 페놀 변성 로진 에스테르 수지 20중량%, 열가소성 폴리우레탄 수지 15중량%, 에틸렌비닐아세테이트 공중합체 15중량%, 테레프탈산 변성 폴리아미드 수지 5중량% 및 폴리이소시아네이트 수지 5중량%를 포함한다.An additional 1 to 5 parts by weight of a durability improver is included in 100 parts by weight of the composition for an electric wire cable with enhanced flame resistance, wherein the durability improver is 40% by weight of an epoxy-modified acrylic copolymer, 20% by weight of a phenol-modified rosin ester resin, and a thermoplastic polyurethane resin. 15 wt%, ethylene vinyl acetate copolymer 15 wt%, terephthalic acid-modified polyamide resin 5 wt%, and polyisocyanate resin 5 wt%.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내유성 향상제 1~5중량부를 추가적으로 포함하되, 상기 내유성 향상제는 삼백초 추출발효물 40중량%, 아크릴수지 30중량% 및 티타늄 디옥사이드 30중량%를 포함하며, 상기 삼백초 추출발효물은 삼백초 100중량부에 정제수 600~700중량부를 넣고 100~105℃에서 8~10시간 동안 추출하고, 삼백초 추출액 100중량부에 혼합균 2~4중량부를 첨가하고 25~30℃에서 24~25시간 동안 발효시키며, 상기 혼합균은 바실러스 낫토균 60중량%, 효모 30중량% 및 누룩균 10중량%를 포함한다. An oil resistance improver 1 to 5 parts by weight are additionally included in 100 parts by weight of the composition for electric wire and cable with enhanced flame resistance, and the oil resistance improver comprises 40% by weight of extract fermented material, 30% by weight of acrylic resin and 30% by weight of titanium dioxide, , The extract and fermented extract of the three hundred seconds add 600 to 700 parts by weight of purified water to 100 parts by weight of the three hundred seconds, and extract at 100 to 105°C for 8 to 10 hours, add 2 to 4 parts by weight of mixed bacteria to 100 parts by weight of the three hundred seconds extract, and 25 to 30 It is fermented for 24 to 25 hours at °C, and the mixed bacteria contain 60% by weight of Bacillus natto bacteria, 30% by weight of yeast, and 10% by weight of yeast.
본 발명에 따른 내연성이 강화된 전선 케이블용 조성물은 난연성 및 내수성이 우수한 장점이 있다. The composition for an electric wire cable with enhanced flame resistance according to the present invention has excellent flame retardancy and water resistance.
또한, 본 발명에 따른 내연성이 강화된 전선 케이블용 조성물은 내구성 및 내유성이 우수한 장점이 있다. In addition, the composition for an electric wire cable with enhanced flame resistance according to the present invention has excellent durability and oil resistance.
이하, 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.
먼저, 본 발명에 따른 내연성이 강화된 전선 케이블용 조성물을 설명한다.First, a composition for an electric wire cable with enhanced flame resistance according to the present invention will be described.
본 발명의 내연성이 강화된 전선 케이블용 조성물은, The composition for an electric wire cable with enhanced flame resistance of the present invention,
열가소성수지 40~50중량%, 열가소성 엘라스토머 20~30중량%, 상용화제 1~5중량%, 난연제 10~20중량%, 산화방지제 0.1~5중량% 및 활제 0.01~3중량%를 포함한다.40 to 50% by weight of a thermoplastic resin, 20 to 30% by weight of a thermoplastic elastomer, 1 to 5% by weight of a compatibilizer, 10 to 20% by weight of a flame retardant, 0.1 to 5% by weight of an antioxidant, and 0.01 to 3% by weight of a lubricant.
상기 열가소성수지는 40~50중량% 포함되는 것이 바람직하며, 40중량% 미만 포함되면 인장특성이 떨어지는 문제가 있고, 50중량% 초과 포함되면 유연성이 떨어지는 문제가 있다.It is preferable that the thermoplastic resin is contained in an amount of 40 to 50% by weight, and when it is contained in less than 40% by weight, there is a problem that the tensile properties are deteriorated, and when it is contained in an amount exceeding 50% by weight, there is a problem that the flexibility is lowered.
상기 열가소성수지는 폴리에틸렌 40중량%, 폴리프로필렌 40중량%, 폴리에틸렌테레프탈레이트 10중량% 및 폴리뷰틸렌테레프탈레이트 10중량%를 포함한다. The thermoplastic resin contains 40% by weight of polyethylene, 40% by weight of polypropylene, 10% by weight of polyethylene terephthalate, and 10% by weight of polybutylene terephthalate.
상기 열가소성수지에 폴리에틸렌테레프탈레이트 및 폴리뷰틸렌테레프탈레이트를 포함하는 이유는 난연성을 향상시키기 위함이다.The reason for including polyethylene terephthalate and polybutylene terephthalate in the thermoplastic resin is to improve flame retardancy.
상기 열가소성 엘라스토머는 20~30중량% 포함되는 것이 바람직하며, 20중량% 미만 포함되면 유연성이 떨어지는 문제가 있고, 30중량% 초과 포함되면 기계적 물성이 떨어지는 문제가 있다.The thermoplastic elastomer is preferably contained in an amount of 20 to 30% by weight, and if it is contained in less than 20% by weight, there is a problem that the flexibility is inferior, and if it is contained in more than 30% by weight, there is a problem in that mechanical properties are deteriorated.
상기 열가소성 엘라스토머는 에틸렌-프로필렌-디엔(EPDM) 엘라스토머 30중량%, 말레산 무수물 그래프트된 에틸렌-프로필렌-디엔(Mg-g-EPDM) 30중량%, 열가소성 가황물(thermoplastic vulcanizates, TPVs) 20중량% 및 폴리우레탄/엘라스토머 블록 공중합체(polyurethane/elastomer block copolymers, TPUs) 20중량%를 포함한다.The thermoplastic elastomer is 30% by weight of ethylene-propylene-diene (EPDM) elastomer, 30% by weight of maleic anhydride grafted ethylene-propylene-diene (Mg-g-EPDM), and 20% by weight of thermoplastic vulcanizates (TPVs). And polyurethane/elastomer block copolymers (polyurethane/elastomer block copolymers, TPUs) 20% by weight.
상기 상용화제는 1~5중량% 포함되는 것이 바람직하며, 1중량% 미만 포함되면 기계적 물성이 떨어지는 문제가 있고, 5중량% 초과 포함되면 내열설이 떨어질 수 있다.The compatibilizer is preferably contained in an amount of 1 to 5% by weight, and if it is contained in less than 1% by weight, there is a problem that mechanical properties are deteriorated, and if it is contained in an amount exceeding 5% by weight, heat resistance may be deteriorated.
상기 상용화제는 메틸 아크릴레이트 무수물(methyl acrylate anhyderde) 50중량%, 말레산 무수물의 그래프트율이 20~25%인 에틸렌-프로필렌-디엔 모노머(EPDM) 30중량% 및 트리알릴 시아누레이트(Triallyl cyanurate, TAC) 20중량%를 포함한다.The compatibilizer is methyl acrylate anhyderde (methyl acrylate anhyderde) 50% by weight, maleic anhydride graft ratio of 20 to 25% ethylene-propylene-diene monomer (EPDM) 30% by weight and triallyl cyanurate (Triallyl cyanurate) , TAC) 20% by weight.
상기 난연제는 10~20중량% 포함되는 것이 바람직하고, 10중량% 미만 포함되면 난연성이 떨어지는 문제가 있고, 20중량% 초과 포함되면 기계적 물성이 떨어지는 문제가 있다.It is preferable that the flame retardant is contained in an amount of 10 to 20% by weight, and if it is contained in less than 10% by weight, there is a problem that the flame retardancy is inferior, and if it is contained in an amount exceeding 20% by weight, there is a problem that mechanical properties are deteriorated.
상기 난연제는 적인(Red Phosphorus) 50중량%, 규산칼륨 30중량% 및 붕산 20중량%를 포함한다. The flame retardant contains 50% by weight of Red Phosphorus, 30% by weight of potassium silicate, and 20% by weight of boric acid.
상기 적인은 난연효과가 뛰어나며 시간이 오래 경과한 후에도 난연효과가 감소하지 않는 장점이 있다. 또한, 적인은 독성이 없고 열적으로 안정하다. The enemy has an excellent flame retardant effect and has the advantage of not reducing the flame retardant effect even after a long time elapses. Also, the enemy is not toxic and is thermally stable.
상기 규산칼륨은 난연성을 향상시키는 역할을 한다.The potassium silicate serves to improve flame retardancy.
상기 붕산은 화재시 난연제가 분진으로 이탈되어 날아가는 것을 방지하는 역할을 한다.The boric acid serves to prevent the flame retardant from being separated into dust and flying away during a fire.
상기 산화방지제는 0.1~5중량% 포함되는 것이 바람직하며, 0.1중량% 미만 포함되면 노화 및 열화 현상이 발생하는 문제가 있고, 5중량% 초과 포함되면 기계적 물성이 떨어지는 문제가 있다.It is preferable that the antioxidant is contained in an amount of 0.1 to 5% by weight, and when it is contained in an amount of less than 0.1% by weight, there is a problem that aging and deterioration occurs, and when it is contained in an amount exceeding 5% by weight, mechanical properties are deteriorated.
상기 산화방지제는 페놀계, 인계, 황계, 아민계 및 금속계 산화방지제 중 어느 하나 이상을 사용할 수 있다. The antioxidant may be any one or more of a phenolic, phosphorus, sulfur, amine and metal antioxidant.
상기 활제는 0.01~3중량% 포함되는 것이 바람직하며, 0.01중량% 미만 포함되면 가공성이 떨어지는 문제가 있고, 3중량% 초과 포함되면 난연성이 떨어지는 문제가 있다.It is preferable that the lubricant is contained in an amount of 0.01 to 3% by weight, and if it is contained in an amount of less than 0.01% by weight, there is a problem in that the processability is inferior, and if it is contained in an amount exceeding 3% by weight, there is a problem that the flame retardance is lowered.
상기 활제는 불소계, 탄화수소계, 금속계, 지방산계 및 아미드계 활제 중 어느 하나 이상을 사용할 수 있다. The lubricant may be any one or more of a fluorine-based, hydrocarbon-based, metal-based, fatty acid-based, and amide-based lubricant.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내연성 강화제 1~5중량부를 추가적으로 포함할 수 있다.It may further include 1 to 5 parts by weight of a flame resistance reinforcing agent to 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance.
상기 내연성 강화제는 운모 40중량%, 질석 20중량%, 팽창흑연 10중량%, 퍼라이트 10중량%, 규조토 10중량% 및 고령토 10중량%를 포함한다.The flame resistance enhancer includes 40% by weight of mica, 20% by weight of vermiculite, 10% by weight of expanded graphite, 10% by weight of perlite, 10% by weight of diatomaceous earth, and 10% by weight of kaolin.
상기 운모는 나노 층상 점토 광물로써 불연이고, 기체 차단성이 있어 차단층을 형성하여 가스 투과성을 줄일 수 있기 때문에 산소와의 접촉을 방지하므로 난연 효과를 한층 더 배가시키는 역할을 하게 된다.The mica is a nano-layered clay mineral that is non-flammable, and has gas barrier properties to form a barrier layer to reduce gas permeability, thereby preventing contact with oxygen, thus further enhancing the flame retardant effect.
상기 질석은 화재시 팽창함으로써 전선 케이블에 공급되는 공기 차단막을 형성하여 강력한 난연작용을 한다.The vermiculite expands in the event of a fire, thereby forming an air barrier that is supplied to the electric wire and cables, thereby having a strong flame retardant effect.
상기 팽창흑연은 층상의 결정구조로, 이와 같은 구조의 팽창 흑연은 연소에 의해 형성된 화염, 물 및 산화 화합물에 의해 20배에서 350배까지 발포되어 다공성 구조를 형성하여 가연성 소재로 열이 이동하는 것을 방지해 화염이 가연성 소재에 옮겨 붙는 것을 방지하고 다공성 구조에 독성 가스를 가두는 역할을 하여 우수한 난연 효과를 나타낼 수 있다. 따라서, 상기 팽창흑연은 발연성을 크게 억제할 수 있을 뿐 아니라, 독성 가스의 배출을 방지한다.The expanded graphite is a layered crystal structure, and the expanded graphite of this structure is foamed from 20 to 350 times by flame, water, and oxidizing compounds formed by combustion to form a porous structure to prevent heat transfer to the combustible material. It prevents the flame from being transferred to the combustible material and traps toxic gas in the porous structure, which can exhibit excellent flame retardant effect. Therefore, the expanded graphite not only can greatly suppress the fuming property, but also prevents the discharge of toxic gases.
상기 퍼라이트는 화산활동으로 생성된 천연광물을 고온으로 팽창시키면 체적이 수십배로 팽창하여 초경량 다각질의 백색입자인 퍼라이트가 생성된다. 이렇게 팽창된 물질은 경량성뿐만 아니라 내화성, 단열성이 높고 흡음률이 높다. The perlite expands several tens of times in volume when natural minerals generated by volcanic activity are expanded to a high temperature, thereby generating perlite, which is an ultra-light multi-cornered white particle. The expanded material is not only lightweight, but also has high fire resistance, heat insulation, and high sound absorption.
상기 규조토는 복잡한 구조와 일차, 이차의 공극으로 구성되어 있고 매우 낮은 밀도를 갖고 있어 훌륭한 여과보조재, 흡착제, 첨가제 및 연마제 등으로 사용된다.The diatomaceous earth is composed of a complex structure, primary and secondary pores, and has a very low density, so it is used as an excellent filter aid, adsorbent, additive, and abrasive.
상기 고령토는 고령석(카올리나이트)과 할로이사이트가 주성분으로, 장석류가 탄산, 물에 의한 화학적 풍화작용을 거쳐 생성된다. 순백색 또는 약간 회색이며 도자기의 원료로, 백자, 분청사기, 청자상감자기에 사용된다. 뿐만 아니라 내화성, 단열성 또한 우수하다. Kaolin is mainly composed of kaolinite (kaolinite) and haloysite, and feldspar is produced through chemical weathering by carbonic acid and water. It is pure white or slightly gray and is a raw material for porcelain, and is used for white porcelain, powdered porcelain, and blue porcelain inlays. In addition, it has excellent fire resistance and thermal insulation properties.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내수성 향상제 1~5중량부를 추가적으로 포함할 수 있다.1 to 5 parts by weight of a water resistance improver may be additionally included in 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance.
상기 내수성 향상제는 세레신왁스 60중량% 및 미네랄오일 40중량%를 포함한다.The water resistance improver includes 60% by weight of ceresin wax and 40% by weight of mineral oil.
상기 세레신왁스는 여름철 장마시기에 많이 오는 비와 공기를 차단하는 능력이 뛰어나 전선 케이블용 조성물을 수분으로부터 보호하는 역할을 수행한다. The ceresin wax has excellent ability to block rain and air that comes a lot during the rainy season in summer, and serves to protect the composition for electric wire and cable from moisture.
상기 세레신왁스(Ceresin wax)는 천연의 파라핀납인 지랍(Ozokerite)으로부터 정제한 왁스를 말하고, C29~C35의 직쇄상 탄화수소가 주성분이다. 냄새와 맛이 없고 물에 녹지 않으며 파라핀왁스에 비해 비중, 경도, 녹는점이 높은 왁스형태의 고체이다. The ceresin wax refers to a wax refined from Ozokerite, which is a natural paraffinic lead, and a linear hydrocarbon of C 29 ~ C 35 is the main component. It has no odor and taste, does not dissolve in water, and is a waxy solid with higher specific gravity, hardness, and melting point than paraffin wax.
상기 미네랄오일은 저온에서도 전선 케이블용 조성물을 보호하는 역할을 수행한다. The mineral oil plays a role of protecting the composition for wire cables even at low temperatures.
상기 미네랄 오일의 가장 큰 특징은 어는점(freezing point), 휘발성 및 증발율이 없어 겨울철에 쉽게 일어날 수 있는 결빙현상과 응고현상을 방지하여 저온에서도 전선 케이블용 조성물의 기능을 유지할 수 있도록 해주고, 보습효과가 뛰어나 햇빛에 의한 전선 케이블용 조성물이 변형되지 않도록 해주는 역할도 한다. 상기 미네랄 오일은 화이트미네랄오일(white mineral oil) 또는 액체파라핀(liquid paraffin) 등으로 불리우며, 물리적 상태는 무색 무취의 액체상태이다.The biggest feature of the mineral oil is that it has no freezing point, no volatility, and no evaporation rate, so it prevents freezing and coagulation that can easily occur in winter, so that it can maintain the function of the composition for wire cables even at low temperatures, and has a moisturizing effect. It also plays a role in preventing the composition for wire and cable from being deformed by sunlight. The mineral oil is called white mineral oil or liquid paraffin, and the physical state is a colorless, odorless liquid.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내구성 향상제 1~5중량부를 추가적으로 포함할 수 있다.It may further include 1 to 5 parts by weight of a durability improver to 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance.
상기 내구성향상제는 에폭시 변성 아크릴 공중합체 40중량%, 페놀 변성 로진 에스테르 수지 20중량%, 열가소성 폴리우레탄 수지 15중량%, 에틸렌비닐아세테이트 공중합체 15중량%, 테레프탈산 변성 폴리아미드 수지 5중량% 및 폴리이소시아네이트 수지 5중량%를 포함한다.The durability improving agent is epoxy-modified acrylic copolymer 40% by weight, phenol-modified rosin ester resin 20% by weight, thermoplastic polyurethane resin 15% by weight, ethylene vinyl acetate copolymer 15% by weight, terephthalic acid-modified polyamide resin 5% by weight and polyisocyanate It contains 5% by weight of resin.
상기 에폭시 변성 아크릴 공중합체는 조성물의 다른 성분과의 부착을 증진시키기 위해 아크릴 수지에 에폭시기를 도입하여 하이드록시기와 카르복실기를 갖는 에폭시 변성 아크릴 공중합체이다. 상기 에폭시 변성 아크릴 공중합체는 적량의 하이드록시기와 카르복실기를 가지고 있으므로 조성물의 다른 성분과의 부착력이 우수하다. 또한 내수성, 내화학성, 내구성이 우수하다. The epoxy-modified acrylic copolymer is an epoxy-modified acrylic copolymer having a hydroxy group and a carboxyl group by introducing an epoxy group into an acrylic resin in order to promote adhesion with other components of the composition. Since the epoxy-modified acrylic copolymer has an appropriate amount of hydroxy group and carboxyl group, it has excellent adhesion to other components of the composition. In addition, it has excellent water resistance, chemical resistance, and durability.
상기 페놀 변성 로진 에스테르 수지는 접착성능을 향상시키기 위해 포함된다. The phenol-modified rosin ester resin is included to improve adhesion performance.
상기 열가소성 폴리우레탄 수지는 내열성, 내한성이 우수하고 유리 전이점이 낮으며 높은 기계적 강도를 갖는 장점이 있다. The thermoplastic polyurethane resin has an advantage of excellent heat resistance and cold resistance, low glass transition point, and high mechanical strength.
상기 에틸렌비닐아세테이트 공중합체는 저온에서 물성이 뛰어나고 유연성이 우수하고, 타 수지와의 상용성이 뛰어나 혼합해 사용하기 용이하며, 우수한 접착성능을 지닌다. 에틸렌비닐아세테이트 공중합체 중에서 비닐 아세테이트의 함유율이 40~45중량%이고, 연화점이 80~85℃인 것이 바람직하다. The ethylene vinyl acetate copolymer has excellent physical properties and flexibility at low temperatures, excellent compatibility with other resins, and is easy to mix and use, and has excellent adhesive performance. It is preferable that the content of vinyl acetate in the ethylene vinyl acetate copolymer is 40 to 45% by weight, and the softening point is 80 to 85°C.
상기 테레프탈산 변성 폴리아미드 수지는 조성물에 포함된 성분들간의 결합력을 향상시킴은 물론, 내열성, 내유성 및 기계적 강도를 증대시켜 조성물의 내구성이 향상되도록 한다. 상기 테레프탈산 변성 폴리아미드 수지는 디카르복실산과 디아민에 의해 형성된 것으로서, 디카르복실산으로 테레프탈산을 사용한 열가소성 폴리아미드 수지인 것이 바람직하다.The terephthalic acid-modified polyamide resin not only improves the bonding strength between components included in the composition, but also increases heat resistance, oil resistance, and mechanical strength, thereby improving the durability of the composition. The terephthalic acid-modified polyamide resin is formed of a dicarboxylic acid and a diamine, and is preferably a thermoplastic polyamide resin using terephthalic acid as the dicarboxylic acid.
상기 폴리이소시아네이트 수지는 용융상태에서 우수한 접착성능을 갖으며, 타 수지와의 양호한 혼합성을 보여주며, 충격 및 온도변화에 대한 물리적 성질이 매우 뛰어나다. The polyisocyanate resin has excellent adhesive performance in a molten state, shows good mixing with other resins, and has excellent physical properties against impact and temperature change.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내유성 향상제 1~5중량부를 추가적으로 포함할 수 있다.The flame resistance may further include 1 to 5 parts by weight of an oil resistance improver to 100 parts by weight of the composition for an electric wire cable.
상기 내유성 향상제는 삼백초 추출발효물 40중량%, 아크릴수지 30중량% 및 티타늄 디옥사이드 30중량%를 포함한다.The oil-resistance improving agent includes 40% by weight of extract fermented product from 300% by weight, 30% by weight of acrylic resin, and 30% by weight of titanium dioxide.
상기 삼백초 추출발효물은 삼백초 100중량부에 정제수 600~700중량부를 넣고 100~105℃에서 8~10시간 동안 추출하고, 삼백초 추출액 100중량부에 혼합균 2~4중량부를 첨가하고 25~30℃에서 24~25시간 동안 발효시켜 제조한다. The extract and fermentation of the extract of Sambaekcho was added 600 to 700 parts by weight of purified water to 100 parts by weight of Sambaekcho, extracted for 8 to 10 hours at 100 to 105°C, and 2 to 4 parts by weight of mixed bacteria were added to 100 parts by weight of the extract of Sambaekcho, and 25 to 30°C It is prepared by fermenting for 24 to 25 hours at
상기 혼합균은 바실러스 낫토균 60중량%, 효모 30중량% 및 누룩균 10중량%를 포함한다. The mixed bacteria include 60% by weight of Bacillus natto bacteria, 30% by weight of yeast, and 10% by weight of yeast.
상기 삼백초(Saururus chinensis Baill.)는 산림청 지정 희귀 멸종식물 제177호로서 중국, 일본을 비롯해 우리나라에서는 북제주군 한경면 고습지와 바닷가에서 주로 자생하는 다년초로서 높이가 30~90㎝이고 초여름에 꽃잎 및 잎 3개가 하얗게 변하므로 삼백초라 불리며 토종 자생식물이다. 주요 성분 중 하나인 쿼세틴(quercetin)은 과산화지질 형성 억제작용, 항균효과, 항돌연변이작용, 발암성 물질의 활성 감소, 암세포의 생육저해, 혈압강하, 모세혈관 강화작용, 그리고 쿼시트린(quercitrin)은 항염증, 진통 및 항산화 효과가 있다. Saururus chinensis Baill. is a rare extinct plant No.177 designated by the Forest Service, and is a perennial plant that grows naturally in high wetlands and beaches in Hangyeong-myeon, Bukjeju-gun in China, Japan and Korea. Since the dog turns white, it is called as a tribe and is a native plant. Quercetin, one of the main ingredients, inhibits the formation of lipid peroxide, has antimicrobial effect, antimutagenic effect, decreases the activity of carcinogenic substances, inhibits the growth of cancer cells, lowers blood pressure, strengthens capillaries, and quercitrin It has anti-inflammatory, analgesic and antioxidant effects.
상기 바실러스 낫토균(Bacillus natto)은 짚에 존재하며, 짚 한 묶음에 약 1천만개가 붙어있으며 균의 크기는 길이 2.33마이크론, 폭은 1마이크론이고 종의 보존을 위해 포자를 형성하는 성질을 가지고 있다.The bacilli present in natto straw bacteria (Bacillus natto) is attached to the approximately 10 million at a straw bundle, and the size of the bacteria has a length 2.33 microns, a width of 1 micron and has a property to form spores for the preservation of the species .
상기 효모는 사카로마이세스 루시(Saccharomyces rouxii), 사카로마이세스 세레비시아에(Saccharomyces cereviciae), 사카로마이세스 오비폴미스(Saccharomyces oviformis) 및 사카로마이세스 스테이네리(Saccharomyces steineri)로 이루어진 군에서 선택된 어느 하나를 사용할 수 있다. The yeast consists of Saccharomyces rouxii , Saccharomyces cereviciae , Saccharomyces oviformis , and Saccharomyces steineri . Any one selected from the group can be used.
상기 누룩균은 아스퍼질러스 오리제(Aspergillus oryzae) 및 아스퍼질러스 소제(Aspergillus sojae)로 이루어진 군에서 선택된 어느 하나를 사용할 수 있다.As the yeast, any one selected from the group consisting of Aspergillus oryzae and Aspergillus sojae may be used.
상기 아크릴수지는 내유성 향상 효과와 함께 전선 케이블용 조성물이 빛에 노출되어도 황변 현상이 발생하지 않도록 하는 역할을 수행한다.The acrylic resin serves to improve oil resistance and prevent yellowing even when the composition for wire and cable is exposed to light.
상기 티타늄 디옥사이드는 내유성 향상 효과와 함께 자외선에 의한 변색을 방지하는 역할을 수행한다.The titanium dioxide improves oil resistance and prevents discoloration due to ultraviolet rays.
본 발명에 따른 내연성이 강화된 전선 케이블용 조성물은 난연성 및 내수성이 우수한 장점이 있다. The composition for an electric wire cable with enhanced flame resistance according to the present invention has excellent flame retardancy and water resistance.
또한, 본 발명에 따른 내연성이 강화된 전선 케이블용 조성물은 내구성 및 내유성이 우수한 장점이 있다. In addition, the composition for an electric wire cable with enhanced flame resistance according to the present invention has excellent durability and oil resistance.
이하, 실시 예를 통하여 본 발명의 구성 및 효과를 더욱 상세히 설명하고자 한다. 이들 실시 예는 오로지 본 발명을 예시하기 위한 것일 뿐 본 발명의 범위가 이들 실시 예에 의해 제한되는 것은 아니다. Hereinafter, the configuration and effects of the present invention will be described in more detail through examples. These examples are for illustrative purposes only, and the scope of the present invention is not limited by these examples.
열가소성수지 46중량%, 열가소성 엘라스토머 30중량%, 상용화제 5중량%, 난연제 15중량%, 산화방지제 3중량% 및 활제 1중량%를 혼합하여 내연성이 강화된 전선 케이블용 조성물을 제조하였다. 상기 열가소성수지는 폴리에틸렌 40중량%, 폴리프로필렌 40중량%, 폴리에틸렌테레프탈레이트 10중량% 및 폴리뷰틸렌테레프탈레이트 10중량%를 혼합하여 제조하였다. 상기 열가소성 엘라스토머는 에틸렌-프로필렌-디엔(EPDM) 엘라스토머 30중량%, 말레산 무수물 그래프트된 에틸렌-프로필렌-디엔(Mg-g-EPDM) 30중량%, 열가소성 가황물(thermoplastic vulcanizates, TPVs) 20중량% 및 폴리우레탄/엘라스토머 블록 공중합체(polyurethane/elastomer block copolymers, TPUs) 20중량%를 혼합하여 제조하였다. 상기 상용화제는 메틸 아크릴레이트 무수물(methyl acrylate anhyderde) 50중량%, 말레산 무수물의 그래프트율이 20~25%인 에틸렌-프로필렌-디엔 모노머(EPDM) 30중량% 및 트리알릴 시아누레이트(Triallyl cyanurate, TAC) 20중량%를 혼합하여 제조하였다. 상기 난연제는 적인(Red Phosphorus) 50중량%, 규산칼륨 30중량% 및 붕산 20중량%를 혼합하여 제조하였다. 상기 산화방지제는 인계 산화방지제를 사용하였다. 상기 활제는 스테아린산 아연을 사용하였다. A composition for an electric wire cable having enhanced flame resistance was prepared by mixing 46% by weight of a thermoplastic resin, 30% by weight of a thermoplastic elastomer, 5% by weight of a compatibilizer, 15% by weight of a flame retardant, 3% by weight of an antioxidant, and 1% by weight of a lubricant. The thermoplastic resin was prepared by mixing 40% by weight of polyethylene, 40% by weight of polypropylene, 10% by weight of polyethylene terephthalate, and 10% by weight of polybutylene terephthalate. The thermoplastic elastomer is 30% by weight of ethylene-propylene-diene (EPDM) elastomer, 30% by weight of maleic anhydride grafted ethylene-propylene-diene (Mg-g-EPDM), and 20% by weight of thermoplastic vulcanizates (TPVs). And polyurethane/elastomer block copolymers (polyurethane/elastomer block copolymers, TPUs) 20% by weight were mixed. The compatibilizer is methyl acrylate anhyderde (methyl acrylate anhyderde) 50% by weight, maleic anhydride graft ratio of 20 to 25% ethylene-propylene-diene monomer (EPDM) 30% by weight and triallyl cyanurate (Triallyl cyanurate) , TAC) was prepared by mixing 20% by weight. The flame retardant was prepared by mixing 50% by weight of Red Phosphorus, 30% by weight of potassium silicate, and 20% by weight of boric acid. As the antioxidant, a phosphorus antioxidant was used. Zinc stearate was used as the lubricant.
실시예 1에서, 상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내구성 향상제 5중량부를 추가적으로 혼합한 것을 제외하고 나머지는 동일하게 하였다. 상기 내구성향상제는 에폭시 변성 아크릴 공중합체 40중량%, 페놀 변성 로진 에스테르 수지 20중량%, 열가소성 폴리우레탄 수지 15중량%, 에틸렌비닐아세테이트 공중합체 15중량%, 테레프탈산 변성 폴리아미드 수지 5중량% 및 폴리이소시아네이트 수지 5중량%를 혼합하여 제조하였다. In Example 1, the rest were the same except that 5 parts by weight of a durability improver was additionally mixed with 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance. The durability improving agent is epoxy-modified acrylic copolymer 40% by weight, phenol-modified rosin ester resin 20% by weight, thermoplastic polyurethane resin 15% by weight, ethylene vinyl acetate copolymer 15% by weight, terephthalic acid-modified polyamide resin 5% by weight and polyisocyanate It was prepared by mixing 5% by weight of resin.
실시예 1에서, 상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내연성 강화제 5중량부를 추가적으로 혼합한 것을 제외하고 나머지는 동일하게 하였다. 상기 내연성 강화제는 운모 40중량%, 질석 20중량%, 팽창흑연 10중량%, 퍼라이트 10중량%, 규조토 10중량% 및 고령토 10중량%를 혼합하여 제조하였다.In Example 1, the rest were the same except that 5 parts by weight of a flame resistance reinforcing agent was additionally mixed with 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance. The flame resistance enhancer was prepared by mixing 40 wt% mica, 20 wt% vermiculite, 10 wt% expanded graphite, 10 wt% perlite, 10 wt% diatomaceous earth, and 10 wt% kaolin.
실시예 1에서, 상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내수성 향상제 5중량부를 추가적으로 혼합한 것을 제외하고 나머지는 동일하게 하였다. 상기 내수성 향상제는 세레신왁스 60중량% 및 미네랄오일 40중량%를 혼합하여 제조하였다.In Example 1, the rest were the same except that 5 parts by weight of a water resistance improver was additionally mixed with 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance. The water resistance improving agent was prepared by mixing 60% by weight of ceresin wax and 40% by weight of mineral oil.
실시예 1에서, 상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내유성 향상제 5중량부를 추가적으로 혼합한 것을 제외하고 나머지는 동일하게 하였다. 상기 내유성 향상제는 삼백초 추출발효물 40중량%, 아크릴수지 30중량% 및 티타늄 디옥사이드 30중량%를 혼합하여 제조하였다. 상기 삼백초 추출발효물은 삼백초 100중량부에 정제수 700중량부를 넣고 105℃에서 10시간 동안 추출한 삼백초 추출액 100중량부에 혼합균 4중량부를 첨가하고 25℃에서 245시간 동안 발효시켜 제조한다. 상기 혼합균은 바실러스 낫토균 60중량%, 효모 30중량% 및 누룩균 10중량%를 혼합하여 제조하였다. 상기 효모는 사카로마이세스 루시(Saccharomyces rouxii)를 사용하였고, 상기 누룩균은 아스퍼질러스 오리제(Aspergillus oryzae)를 사용하였다.In Example 1, the rest were the same except that 5 parts by weight of an oil resistance improver was additionally mixed with 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance. The oil-resistance improver was prepared by mixing 40% by weight of extract fermented product of 300% by weight, 30% by weight of acrylic resin, and 30% by weight of titanium dioxide. The extract and fermentation of Sambaekcho is prepared by adding 700 parts by weight of purified water to 100 parts by weight of Sambaekcho, adding 4 parts by weight of mixed bacteria to 100 parts by weight of the extract of Sambaekcho extracted for 10 hours at 105°C, and fermenting at 25°C for 245 hours. The mixed bacteria were prepared by mixing 60% by weight of Bacillus natto bacteria, 30% by weight of yeast, and 10% by weight of yeast. As the yeast, Saccharomyces rouxii was used, and Aspergillus oryzae was used as the yeast.
[비교예 1][Comparative Example 1]
실시예 1에서, 상기 열가소성수지는 폴리에틸렌 50중량% 및 폴리프로필렌 50중량%를 혼합하여 사용한 것을 제외하고 나머지는 동일하게 하였다.In Example 1, the thermoplastic resin was the same except that 50% by weight of polyethylene and 50% by weight of polypropylene were mixed and used.
[비교예 2][Comparative Example 2]
실시예 1에서, 상기 열가소성 엘라스토머는 에틸렌-프로필렌-디엔(EPDM) 엘라스토머 50중량% 및 말레산 무수물 그래프트된 에틸렌-프로필렌-디엔(Mg-g-EPDM) 50중량%를 혼합하여 사용한 것을 제외하고 나머지는 동일하게 하였다.In Example 1, the thermoplastic elastomer is the remainder except that 50% by weight of ethylene-propylene-diene (EPDM) elastomer and 50% by weight of maleic anhydride-grafted ethylene-propylene-diene (Mg-g-EPDM) are mixed and used. Did the same.
[비교예 3][Comparative Example 3]
실시예 1에서, 상기 난연제는 멜라민시아누레이트 난연제를 사용한 것을 제외하고 나머지는 동일하게 하였다.In Example 1, the flame retardant was the same as the rest, except that melamine cyanurate flame retardant was used.
[심험예 1][Experimental Example 1]
실시예 1 내지 5 및 비교예 1 내지 3의 조성물을 압출기(Twin Screw Extruder)에 투입하고, 컴파운딩 후 용융온도 184℃에서 혼련하여, 다이 온도 220℃에서 압출하여 펠렛 형태로 제조하였다. 상기 펠렛을 이용하여 50㎜의 Single Screw Extruder에 투입하고, 압출하여 1.0㎜의 도체외경에, 0.3㎜의 절연 두께로 절연체를 압출하여, 전선 샘플을 제조하였다.The compositions of Examples 1 to 5 and Comparative Examples 1 to 3 were put into an extruder (Twin Screw Extruder), compounded, kneaded at a melting temperature of 184°C, and extruded at a die temperature of 220°C to produce pellets. The pellet was put into a single screw extruder of 50 mm, extruded, and an insulator was extruded to an outer diameter of 1.0 mm and an insulation thickness of 0.3 mm to prepare a wire sample.
하기와 같은 방법으로 물성평가를 실시한 다음, 그 결과를 표 1에 나타내었다.After performing physical property evaluation in the following manner, the results are shown in Table 1.
(1) 신장율 1(%): 실시예 1~5 및 비교예 1~3을 ES911110 기준에 의거하여 신장율을 평가하였다. 기준치는 125% 이상이어야 한다. 신장율 2(%): UL 1581/758 125℃급 내열성 기준에 의거하여, 도체를 제거한 실시예 1~5 및 비교예 1~3의 절연체를 158℃ X 168h 방치(aging) 후 신장률을 측정하였다. 상기 Aging 후 신장률 기준치는, 100% 이상이어야 한다.(1) Elongation 1 (%): Examples 1 to 5 and Comparative Examples 1 to 3 were evaluated for elongation based on the ES911110 standard. The reference value should be over 125%. Elongation 2 (%): Based on the UL 1581/758 125° C. class heat resistance standard, the insulators of Examples 1 to 5 and Comparative Examples 1 to 3 with the conductor removed were measured for elongation after aging at 158° C. X 168 h. The reference value for elongation after aging should be 100% or more.
(2) 인장강도 1(kgf/mm2): 실시예 1~5 및 비교예 1~3를 ES911110 기준에 의거하여 인장강도를 평가하였다. 기준치는 1.60 kgf/mm2 이상이어야 한다. 인장강도 2(kgf/mm2): UL 1581/758 125℃급 내열성 기준에 의거하여, 도체를 제거한 실시예 1~5 및 비교예 1~3의 절연체를 158℃ X 168h 방치(aging) 후 인장강도를 측정하였다. 상기 Aging 후 인장강도 기준치는, 상온 대비 70% 이상이어야 한다.(2) Tensile strength 1 (kgf/mm 2 ): Examples 1 to 5 and Comparative Examples 1 to 3 were evaluated for tensile strength based on the ES911110 standard. The standard value should be 1.60 kgf/mm 2 or higher. Tensile strength 2 (kgf/mm 2 ): According to the UL 1581/758 125°C class heat resistance standard, the insulators of Examples 1 to 5 and Comparative Examples 1 to 3 with the conductor removed were aging at 158°C X 168h and then tensile The strength was measured. The reference value for tensile strength after the aging should be 70% or more compared to room temperature.
(3) 난연성: ES911110 기준에 따라 실시예 1~5 및 비교예 1~3에서 약 300mm 길이의 시료를 채취하여 수평으로 지지한다. 불꽃의 산화염의 길이가 약 130mm, 화원염의 길이가 약 35mm로 조절한 환원염의 앞 끝을 시료의 중앙 아래쪽에서 규정된 시간 동안 인가 후 불꽃을 제거한 후 시료의 연소 시간을 측정하였다. 기준치는 70 초 이내에 소화되어야 한다.(3) Flame retardancy: According to the ES911110 standard, samples having a length of about 300 mm are taken from Examples 1 to 5 and Comparative Examples 1 to 3 and supported horizontally. After applying the front end of the reduced salt with the length of the oxidized salt of the flame of about 130 mm and the length of the flame of about 35 mm from the bottom of the center of the sample for a prescribed period of time, the flame was removed, and the burning time of the sample was measured. The reference value should be digested within 70 seconds.
(4) 내유성: 실시예 1~5 및 비교예 1~3의 전선을 각각 150mm 길이로 8개의 시료를 취하고, 도체를 제거한 다음 ATF(Dexron 3) 유체 중에 침유시킨다. 그 다음에, 150±2℃에서 1,000 시간 동안 담근 후 꺼내어 상온으로 될 때까지 방치하였다. 그 다음에, 상기 시료를 200mm/min의 속도로 재료시험기(인장 및 신장률 측정 시험기)를 이용하여, 시료를 수직으로 늘린다. 표점을 기준으로 늘어난 길이를 측정하여, 표점 20mm 대비 %로 변환하여, 신장률을 측정한 후 상온 신장률과 비교하여, %로 산출하였다. 또한, 상기 시료가 끊어진 지점의 인장하중을 절연체의 단면적으로 나누어, 인장강도를 측정한 후 상온 인장강도와 비교하여, %로 산출하였다.(4) Oil resistance: 8 samples of wires of Examples 1 to 5 and Comparative Examples 1 to 3 are each 150 mm long, remove the conductor, and then immerse them in ATF (Dexron 3) fluid. Then, it was immersed at 150±2° C. for 1,000 hours and then taken out and left to stand at room temperature. Then, the sample is vertically stretched by using a material testing machine (tensile and elongation measuring tester) at a rate of 200 mm/min. The length increased based on the gage was measured, converted into% compared to the gage 20 mm, the elongation was measured, and then compared with the room temperature elongation, it was calculated as %. In addition, the tensile load at the point where the sample was broken was divided by the cross-sectional area of the insulator, the tensile strength was measured, and then the tensile strength was compared with the room temperature tensile strength and calculated as %.
(5) 내마모성: 실시예 1~5 및 비교예 1~3에 대하여, ISO 6722 기준에 따라 Scrape 내마모성으로 710g을 가하여 측정하였다. 기준치는 200회 이상 이어야 한다.(5) Abrasion resistance: For Examples 1 to 5 and Comparative Examples 1 to 3, it was measured by adding 710 g of scrape abrasion resistance according to ISO 6722 standards. The reference value should be at least 200 times.
(6) 내온수성(.mm): 실시예 1~5 및 비교예 1~3에 대하여, NaCl 10g/L, 온도 85도 조건에서 48dV를 7일 동안 가하고, 체적 저항을 측정하였다. 5회 반복하여 내전압을 가하였으며, 기준치는 109.mm 이상에서 파괴되지 않아야 한다.(6) Hot water resistance (.mm): For Examples 1 to 5 and Comparative Examples 1 to 3, 48 dV was added for 7 days under conditions of NaCl 10 g/L and a temperature of 85° C., and volume resistance was measured. Withstand voltage was applied repeatedly 5 times, and the reference value should not be destroyed above 109.mm.
kgf/㎟after aging,
kgf/㎟
장률kidney
Longevity
장률Seal
Longevity
성Hot water
castle
표 1에 의하면, 실시예 1 내지 5의 경우 비교예 1 내지 3에 비하여 신장율, 인장강도, 난연성, 내유성, 내마모성 및 내온수성이 우수한 것을 확인할 수 있다.According to Table 1, it can be seen that in Examples 1 to 5, elongation, tensile strength, flame retardancy, oil resistance, abrasion resistance, and warm water resistance are superior compared to Comparative Examples 1 to 3.
Claims (5)
상기 열가소성수지는 폴리에틸렌 40중량%, 폴리프로필렌 40중량%, 폴리에틸렌테레프탈레이트 10중량% 및 폴리뷰틸렌테레프탈레이트 10중량%를 포함하며,
상기 열가소성 엘라스토머는 에틸렌-프로필렌-디엔(EPDM) 엘라스토머 30중량%, 말레산 무수물 그래프트된 에틸렌-프로필렌-디엔(Mg-g-EPDM) 30중량%, 열가소성 가황물(thermoplastic vulcanizates, TPVs) 20중량% 및 폴리우레탄/엘라스토머 블록 공중합체(polyurethane/elastomer block copolymers, TPUs) 20중량%를 포함하며,
상기 상용화제는 메틸 아크릴레이트 무수물(methyl acrylate anhyderde) 50중량%, 말레산 무수물의 그래프트율이 20~25%인 에틸렌-프로필렌-디엔 모노머(EPDM) 30중량% 및 트리알릴 시아누레이트(Triallyl cyanurate, TAC) 20중량%를 포함하며,
상기 난연제는 적인(Red Phosphorus) 50중량%, 규산칼륨 30중량% 및 붕산 20중량%를 포함하는,
내연성이 강화된 전선 케이블용 조성물.
Including 40 to 50% by weight of a thermoplastic resin, 20 to 30% by weight of a thermoplastic elastomer, 1 to 5% by weight of a compatibilizer, 10 to 20% by weight of a flame retardant, 0.1 to 5% by weight of an antioxidant, and 0.01 to 3% by weight of a lubricant,
The thermoplastic resin comprises 40% by weight of polyethylene, 40% by weight of polypropylene, 10% by weight of polyethylene terephthalate and 10% by weight of polybutylene terephthalate,
The thermoplastic elastomer is ethylene-propylene-diene (EPDM) elastomer 30% by weight, maleic anhydride grafted ethylene-propylene-diene (Mg-g-EPDM) 30% by weight, thermoplastic vulcanizates (TPVs) 20% by weight And polyurethane/elastomer block copolymers (polyurethane/elastomer block copolymers, TPUs) 20% by weight,
The compatibilizer is methyl acrylate anhyderde (methyl acrylate anhyderde) 50% by weight, maleic anhydride graft ratio of 20 to 25% ethylene-propylene-diene monomer (EPDM) 30% by weight and triallyl cyanurate (Triallyl cyanurate) , TAC) 20% by weight,
The flame retardant comprises 50% by weight of Red Phosphorus, 30% by weight of potassium silicate and 20% by weight of boric acid,
A composition for wire and cable with enhanced flame resistance.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내연성 강화제 1~5중량부를 추가적으로 포함하되,
상기 내연성 강화제는 운모 40중량%, 질석 20중량%, 팽창흑연 10중량%, 퍼라이트 10중량%, 규조토 10중량% 및 고령토 10중량%를 포함하는,
내연성이 강화된 전선 케이블용 조성물.
The method of claim 1,
An additional 1 to 5 parts by weight of a flame resistance reinforcing agent is included in 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance,
The flame resistance enhancer comprises 40% by weight of mica, 20% by weight vermiculite, 10% by weight of expanded graphite, 10% by weight of perlite, 10% by weight of diatomaceous earth and 10% by weight of kaolin,
A composition for wire and cable with enhanced flame resistance.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내수성 향상제 1~5중량부를 추가적으로 포함하되,
상기 내수성 향상제는 세레신왁스 60중량% 및 미네랄오일 40중량%를 포함하는,
내연성이 강화된 전선 케이블용 조성물.
The method of claim 1,
An additional 1 to 5 parts by weight of a water resistance improving agent is included in 100 parts by weight of the composition for electric wire and cable with enhanced flame resistance,
The water resistance improving agent comprises 60% by weight of ceresin wax and 40% by weight of mineral oil,
A composition for wire and cable with enhanced flame resistance.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내구성 향상제 1~5중량부를 추가적으로 포함하되,
상기 내구성향상제는 에폭시 변성 아크릴 공중합체 40중량%, 페놀 변성 로진 에스테르 수지 20중량%, 열가소성 폴리우레탄 수지 15중량%, 에틸렌비닐아세테이트 공중합체 15중량%, 테레프탈산 변성 폴리아미드 수지 5중량% 및 폴리이소시아네이트 수지 5중량%를 포함하는,
내연성이 강화된 전선 케이블용 조성물.
The method of claim 1,
An additional 1 to 5 parts by weight of a durability improver is included in 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance,
The durability improving agent is epoxy-modified acrylic copolymer 40% by weight, phenol-modified rosin ester resin 20% by weight, thermoplastic polyurethane resin 15% by weight, ethylene vinyl acetate copolymer 15% by weight, terephthalic acid-modified polyamide resin 5% by weight and polyisocyanate Containing 5% by weight of resin,
A composition for wire and cable with enhanced flame resistance.
상기 내연성이 강화된 전선 케이블용 조성물 100중량부에 내유성 향상제 1~5중량부를 추가적으로 포함하되,
상기 내유성 향상제는 삼백초 추출발효물 40중량%, 아크릴수지 30중량% 및 티타늄 디옥사이드 30중량%를 포함하며,
상기 삼백초 추출발효물은 삼백초 100중량부에 정제수 600~700중량부를 넣고 100~105℃에서 8~10시간 동안 추출하고, 삼백초 추출액 100중량부에 혼합균 2~4중량부를 첨가하고 25~30℃에서 24~25시간 동안 발효시키며,
상기 혼합균은 바실러스 낫토균 60중량%, 효모 30중량% 및 누룩균 10중량%를 포함하는,
내연성이 강화된 전선 케이블용 조성물.The method of claim 1,
An oil resistance improver 1 to 5 parts by weight additionally included in 100 parts by weight of the composition for an electric wire cable having enhanced flame resistance,
The oil-resistance improving agent includes 40% by weight of extract fermented product of 300 seconds, 30% by weight of acrylic resin and 30% by weight of titanium dioxide
The extract and fermentation of the extract of Sambaekcho was added 600 to 700 parts by weight of purified water to 100 parts by weight of Sambaekcho, extracted for 8 to 10 hours at 100 to 105°C, and 2 to 4 parts by weight of mixed bacteria were added to 100 parts by weight of the extract of Sambaekcho, and then 25 to 30°C Fermented for 24 to 25 hours at
The mixed bacteria include Bacillus natto bacteria 60% by weight, yeast 30% by weight, and yeast 10% by weight,
A composition for wire and cable with enhanced flame resistance.
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Cited By (1)
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