KR20190034871A - Eco friendly adhesive composition for vehicle interior meterials - Google Patents
Eco friendly adhesive composition for vehicle interior meterials Download PDFInfo
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- KR20190034871A KR20190034871A KR1020170123427A KR20170123427A KR20190034871A KR 20190034871 A KR20190034871 A KR 20190034871A KR 1020170123427 A KR1020170123427 A KR 1020170123427A KR 20170123427 A KR20170123427 A KR 20170123427A KR 20190034871 A KR20190034871 A KR 20190034871A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives 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 aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
본 발명은 톨루엔과 같은 극성 유기용제나 할로겐계 물질을 포함하지 않음에 따라 친환경적일 뿐만 아니라, 프라이머 처리와 같은 전처리 공정이 없이도 폴리올레핀계 자동차 내장재 등에 대한 접착 강도를 향상시킬 수 있도록 하는 친환경 접착제 조성물에 관한 것이다.The present invention relates to an eco-friendly adhesive composition which does not contain a polar organic solvent or a halogen-based material such as toluene, and which is environmentally friendly and which can improve the bonding strength to a polyolefin automobile interior material, etc. without a pretreatment process such as a primer treatment .
일반적으로 자동차용 부품의 소재인 열가소성 올레핀 플라스틱(thermoplastic olefin elastomer,TPO)계, 폴리올레핀(polyolefin)계(PE(polyethylene), PP(polypropylene) 등), 열가소성 엘라스토머(thermoplastic elastomer), 에틸렌 프로필렌 디엔 고무계(ethylene propylene diene monomer, EPDM) 또는 폴리스티렌계(polystyren, PS)는 다양한 유형의 소비재용 구조의 소재로서 사용이 꾸준히 증가하고 있다. 특히 폴리프로필렌(PP)은 비교적 불활성, 가요성, 수증기의 불침투성, 경량성, 내구성의 주요한 물성을 나타내며 비교적 저렴하게 생산될 수 있기 때문에 장난감, 용기, 포장 필름, 가정용 가전제품의 제조 및 특히 자동차 산업에서 널리 사용되고 있다.In general, thermoplastic olefin elastomer (TPO), polyolefin (PE (polyethylene), polypropylene (PP), etc.), thermoplastic elastomer, ethylene propylene diene rubber ethylene propylene diene monomer (EPDM), or polystyrene (polystyrenes, PS) have been steadily increasing in use as materials for various types of consumer products. In particular, polypropylene (PP) exhibits the principal properties of relatively inactive, flexible, water impermeability, light weight and durability, and can be produced relatively inexpensively. Therefore, the production of toys, containers, packaging films, household appliances, It is widely used in industry.
한편, 자동차 부품에 사용되고 있는 폴리올레핀계 부품, 에틸렌 프로필렌 디엔 고무계 부품 그리고 열가소성 올레핀 플라스틱계 부품 등은 하이드로카본 형태로 되어 있기 때문에 표면극성이 낮아서 젖음성, 접착성, 인쇄성 등이 떨어지는 문제가 있어 어느 정도의 접착력으로 붙을 수 있도록 표면 극성을 갖는 표면을 필요로 하며, 이를 위해 프라이머를 도포하여 표면의 특성을 변화시킨 후, 용제형 접착제를 도포하고 있다.On the other hand, polyolefin-based parts, ethylene-propylene-diene rubber-based parts, and thermoplastic olefin plastic-based parts used in automobile parts are in the form of hydrocarbons, so that the surface polarity is low and the wettability, adhesiveness, A surface having a surface polarity is required so that it can be adhered with an adhesive force of the adhesive. To this end, a primer is applied to change the surface characteristics, and then a solvent type adhesive is applied.
하지만, 종래 접착제는 특허문헌 1에서와 같이, 조성 중에 접착력, 젖음성 및 용해도 향상을 위해서 톨루엔을 포함하고 있으므로 장시간 사용할 경우에 작업작의 건강을 해치고 있을 뿐만 아니라 접착제 조성 중에 접착력 향상을 위해서 할로겐계 물질을 사용하고 있으며, 특히 상술한 바와 같은 프라이머 전처리 공정이 필수적으로 포함되고 있는 실정이다. 여기에 더하여 최근 휘발성 유기 물질(VOC)의 사용 규제와 같은 환경보전에 대한 요구가 증가하고 있다.However, since conventional adhesives contain toluene in order to improve adhesion, wettability and solubility in the composition as in Patent Document 1, not only are they harming the health of the work in case of long-term use, but also halogen- And in particular, a primer pretreatment process as described above is essentially included. In addition, there is a growing demand for environmental preservation such as the regulation of the use of volatile organic compounds (VOCs).
한편, 일반적으로 접착에서는 고체표면에 대한 액체의 젖음성이 우수한 접착을 위한 필수조건이라고 볼 수 있으며 액체의 표면장력 (surface tension)이 고체의 표면장력보다 낮을 때 젖음이 가능해진다. 고분자 고체 표면에 대한 젖음성(wettability)을 알기 위하여 고체와 액체간의 접촉각(contact angle)을 측정하게 되는데, 이 때 액체 분자들이 고체-액체 계면에 흡착되어 접촉각과 임계표면장력 (critical surface tension, γc)에 영향을 미친다. 또한 γL(액체의 표면장력)이 γc에 근접하여 어느 정도 젖음(wetting)이 이루어질 경우, 고체-액체간의 상용성이 좋을수록 접착력이 커지게 되는데 상용성은 고체와 액체의 용해도 파라미터가 유사할수록 좋아져 용해도 파라미터(solubility parameter, SP)가 접착력에 영향을 주는 또 하나의 요인이라 할 수 있으며, 이로인해 접착에 영향을 주는 이들 요인을 고려하여 적절한 분자설계를 통한 저독성 용제형 시스템의 새로운 접착제가 요구되고 있다.On the other hand, adhesion is generally considered to be an essential condition for adhesion of a liquid to a solid surface with excellent wettability, and wetting is possible when the surface tension of the liquid is lower than the surface tension of the solid. In order to know the wettability of the polymer solid surface, the contact angle between the solid and the liquid is measured. At this time, the liquid molecules are adsorbed on the solid-liquid interface, and the contact angle and the critical surface tension (γ c ). Further, when γ L (surface tension of the liquid) is close to γ c and wetting is performed to some extent, the better the compatibility between the solid and the liquid, the greater the adhesive strength. The more the solubility parameters of the solid and the liquid are The solubility parameter (SP) is another factor that affects the adhesive strength. Therefore, considering these factors affecting adhesion, a new adhesive of a low toxicity solvent type system through appropriate molecular design is required .
따라서, 본 발명은 상술한 문제점을 해결하기 위한 것으로, 톨루엔과 같은 극성 유기용제나 할로겐계 물질을 포함하지 않음에 따라 인체에 무해하고 작업환경을 개선시키는 등 친환경적일 뿐만 아니라, 프라이머 처리와 같은 전처리 공정이 없이도 폴리올레핀계 자동차 내장재 등에 대한 접착 강도를 향상시킬 수 있도록 하는 친환경 접착제 조성물을 제공함을 과제로 한다.Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method of manufacturing a semiconductor device which does not contain a polar organic solvent or a halogen-based material such as toluene, Friendly adhesive composition capable of improving the adhesive strength to a polyolefin-based automobile interior material and the like without a process.
본 발명은 접착제 조성물에 있어서, 스티렌-이소프렌-스티렌(styren-isoprene-styren, SIS) 7 ~ 9 중량%, 석유수지 9 ~ 11 중량%, 실란 커플링제 1 ~ 3 중량%, 열가소성 폴리우레탄(thermo plastic polyurethane, TPU) 5 ~ 7 중량% 및 용제 70 ~ 78 중량%로 이루어지는 것을 특징으로 하는, 자동차 내장재용 친환경 접착제 조성물을 과제의 해결 수단으로 한다.The present invention relates to an adhesive composition comprising 7 to 9% by weight of styrene-isoprene-styrene (SIS), 9 to 11% by weight of petroleum resin, 1 to 3% by weight of silane coupling agent, thermoplastic polyurethane 5 to 7% by weight of a plastic polyurethane (TPU), and 70 to 78% by weight of a solvent.
여기서 실란 커플링제는, 비닐계 실란(vinyl based silane), 에폭시계 실란(epoxy based silane), 아미노계 실란(amino based silane), 메타아크릴계 실란(methacryl based silane), 클로로프로필 실란(chloropropyl based silane) 또는 메르카프토 실란(mercapto based silane)으로 이루어진 군에서 단독 혹은 병용하여 사용할 수 있다.The silane coupling agent may be selected from the group consisting of a vinyl based silane, an epoxy based silane, an amino based silane, a methacryl based silane, a chloropropyl based silane, Or mercapto based silane, either alone or in combination.
그리고 상기 용제는, 메틸에틸케톤(methylethylketone), 에틸아세테이트(ethylacetate), 싸이클로헥산(cyclohexane), 아세톤(Acetone), 이소프로필알콜(isopropylalcohol) 또는 메틸싸이클로헥산(methylcyclohexane)으로 이루어진 군에서 3종 이상 병용하여 사용할 수 있다.The solvent may be at least one selected from the group consisting of methylethylketone, ethylacetate, cyclohexane, acetone, isopropylalcohol or methylcyclohexane. Can be used.
본 발명은 톨루엔과 같은 극성 유기용제나 할로겐계 물질을 포함하지 않음에 따라 인체에 무해하고 작업환경을 개선시키는 등 친환경적일 뿐만 아니라, 프라이머 처리와 같은 전처리 공정이 없이도 폴리올레핀계 자동차 내장재 등에 대한 접착 강도를 향상시킬 수 있도록 하는 효과가 있다.The present invention does not contain a polar organic solvent or a halogen-based material such as toluene, and thus is environmentally friendly, such as improving the working environment by being harmless to the human body. In addition, the present invention provides a method for manufacturing a polyolefin- Can be improved.
이하, 본 발명의 바람직한 실시 예를 상세히 설명하며, 상세한 설명에서 일반적인 접착제 조성물 제조분야의 종사자들이 용이하게 알 수 있는 구성 및 작용에 대한 언급은 간략히 하거나 생략하였다.Hereinafter, preferred embodiments of the present invention will be described in detail. In the detailed description, the construction and operation of the adhesive composition can be easily understood by those skilled in the art.
본 발명에 따른 자동차 내장재용 친환경 접착제 조성물은 스티렌-이소프렌-스티렌(styren-isoprene-styren, SIS) 7 ~ 9 중량%, 석유수지 9 ~ 11 중량%, 실란 커플링제 1 ~ 3 중량%, 열가소성 폴리우레탄(thermo plastic polyurethane, TPU) 5 ~ 7 중량% 및 용제 70 ~ 78 중량%로 이루어지며, 고형분은 26 중량%가 되도록 하는 것이 바람직하지만 여기에 한정되는 것은 아니다.The eco-friendly adhesive composition for automobile interior materials according to the present invention comprises 7 to 9 wt% of styrene-isoprene-styrene (SIS), 9 to 11 wt% of petroleum resin, 1 to 3 wt% of silane coupling agent, 5 to 7% by weight of a thermo plastic polyurethane (TPU) and 70 to 78% by weight of a solvent, and the solid content is preferably 26% by weight, but is not limited thereto.
상기 스티렌-이소프렌-스티렌은, 접착제에 대한 흐름성 및 물성을 향상시키기 위해 첨가되는 것으로, 그 함량이 7 중량% 미만일 경우 접착제의 흐름성 및 물성이 저하될 우려가 있으며 9 중량%를 초과할 경우 오히려 접착력이 저하될 우려가 있다.Styrene-isoprene-styrene is added to improve the flowability and physical properties of the adhesive. If the content is less than 7% by weight, the flowability and physical properties of the adhesive may be deteriorated. When the content is more than 9% by weight The adhesive strength may be deteriorated.
상기 석유수지는, 피착재에 대한 표면 젖음성 및 접착성 증가를 위해 첨가되는 것으로, 그 함량이 9 중량% 미만일 경우 표면 젖음성의 증가효과를 얻기 어려우며, 11 중량%를 초과할 경우 저장안정성이 저하될 우려가 있다.When the content of the petroleum resin is less than 9% by weight, it is difficult to obtain the effect of increasing the surface wettability. When the content of the petroleum resin exceeds 11% by weight, the storage stability is decreased There is a concern.
상기 실란 커플링제는 각 조성물간의 분산성을 개선하기 위해 첨가되는 것으로, 비닐계 실란(비닐트리클로로 실란, 비닐트리메톡시실란, 비닐트리에톡시 실란), 에폭시계 실란(γ-글리시독시프로필메틸디에폭시 실란, γ-글리시독시프로필트리메톡시 실란, γ-글리시독시프로필트리에톡시 실란), 아미노계 실란(γ-아미노프로필트리메톡시 실란, γ-아미노프로필트리에톡시 실란), 메타아크릴계 실란(γ-메타아크릴옥시프로필트리에톡시 실란, γ-메타아크릴옥시프로필트리메톡시 실란), 클로로프로필 실란(γ-클로로프로필트리에톡시 실란), 메르카프토 실란(γ-메르카프토프로필트리메톡시 실란)으로 이루어진 군에서 단독 혹은 병용하여 사용할 수 있으나, 여기에 한정되는 것은 아니고 이미 공지된 다양한 실란 커플링제의 사용이 가능하다. 한편, 상기 실란 커플링제의 함량이 1 중량% 미만일 경우, 분산성 개선 효과가 미비해질 우려가 있으며, 3 중량%를 초과할 경우 접착제의 물성이 저하될 우려가 있다.The silane coupling agent is added to improve the dispersibility between the respective compositions. Examples of the silane coupling agent include vinyl silanes (vinyl trichlorosilane, vinyltrimethoxysilane, vinyltriethoxysilane), epoxy silanes (gamma -glycidoxypropyl Methyldiepoxysilane,? -Glycidoxypropyltrimethoxysilane,? -Glycidoxypropyltriethoxysilane), amino-based silane (? -Aminopropyltrimethoxysilane,? -Aminopropyltriethoxysilane) , Methacrylic silane (? -Methacryloxypropyltriethoxysilane,? -Methacryloxypropyltrimethoxysilane), chloropropylsilane (? -Chloropropyltriethoxysilane), mercaptosilane (? -Mercury Capped propyltrimethoxysilane). However, the present invention is not limited thereto, and various silane coupling agents known in the art can be used. On the other hand, if the content of the silane coupling agent is less than 1% by weight, the effect of improving the dispersibility may be insufficient. If the content is more than 3% by weight, the physical properties of the adhesive may be deteriorated.
상기 열가소성 폴리우레탄 수지는 접착제에 대한 접착력 향상을 위해 첨가되는 것으로, 그 함량이 5 중량% 미만일 경우 접착력 향상효과가 미비해질 우려가 있으며 7 중량%를 초과할 경우 점도가 상승하여 작업성이 저하될 우려가 있다. If the content of the thermoplastic polyurethane resin is less than 5% by weight, the effect of improving the adhesive strength may be insufficient. If the content of the thermoplastic polyurethane resin exceeds 7% by weight, the viscosity of the thermoplastic polyurethane resin may increase, There is a concern.
상기 용제는 접착제의 점도를 조절하기 위해 첨가되는 것으로 용제의 함량이 상기 범위를 벗어날 경우 작업성이 저하될 우려가 있다. 이때, 본 발명에서는 톨루엔을 함유하지 않기 때문에 그 용해도가 현저히 떨어지므로 용제를 3종 이상 사용하는 것이 바람직하며, 일예로 메틸에틸케톤(methylethylketone), 에틸아세테이트(ethylacetate), 싸이클로헥산(cyclohexane), 아세톤(Acetone), 이소프로필알콜(isopropylalcohol) 또는 메틸싸이클로헥산(methylcyclohexane)으로 이루어진 군에서 3종 이상 병용하여 사용할 수 있다.The solvent is added to control the viscosity of the adhesive, and when the content of the solvent is out of the range, the workability may be lowered. At this time, since the present invention does not contain toluene, its solubility is significantly lowered. Therefore, it is preferable to use three or more kinds of solvents. For example, methyl ethyl ketone, ethylacetate, cyclohexane, (Acetone), isopropylalcohol, or methylcyclohexane, may be used in combination of three or more.
이하, 본 발명을 실시예를 들면서 상세히 설명하는바 본 발명이 다음의 실시예에 한정되는 것은 아니다.Hereinafter, the present invention will be described in detail by way of examples, but the present invention is not limited to the following examples.
1. 접착제의 제조1. Manufacture of adhesives
(실시예 1)(Example 1)
온도조절과 속도조절이 가능한 혼합용기에 SIS(Vector 4111, 덱스코 폴리머사) 7 중량%, 석유수지(SU-400, 코오롱인더스트리사) 9 중량%, 실란 커플링제(KBM-403, 신에츠) 1 중량%, 열가소성폴리우레탄 수지 5 중량%(NEOTIE 9202VH(동성하이캠) 3 중량% + NEOTIE 3202(동성하이캠) 2 중량%) 및 용제 78 중량%(싸이클로헥산 22 중량% + 메틸에틸케톤 9 중량% + 메틸싸이클로헥산 47 중량%)를 투입하고, 50℃의 온도에서 8시간 교반, 용해시켜 접착제를 제조하였다.7% by weight of SIS (Vector 4111, Dext Copolymer), 9% by weight of petroleum resin (SU-400, manufactured by Kolon Industries, Ltd.), silane coupling agent (KBM-403, Shin-Etsu) (22 wt% cyclohexane + 9 wt% methyl ethyl ketone), 5 wt% of thermoplastic polyurethane resin (3 wt% NEOTIE 9202 VH (homogeneous high cam) + 2 wt% NEOTIE 3202 % + Methylcyclohexane 47% by weight), and the mixture was stirred and melted at a temperature of 50 ° C for 8 hours to prepare an adhesive.
(실시예 2)(Example 2)
온도조절과 속도조절이 가능한 혼합용기에 SIS(Vector 4111, 덱스코 폴리머사) 8 중량%, 석유수지(SU-400, 코오롱인더스트리사) 10 중량%, 실란 커플링제(KBM-403, 신에츠) 2 중량%, 열가소성폴리우레탄 수지 6 중량%(NEOTIE 9202VH(동성하이캠) 4 중량% + NEOTIE 3202(동성하이캠) 2 중량%) 및 용제 74 중량%(싸이클로헥산 20 중량% + 메틸에틸케톤 7 중량% + 메틸싸이클로헥산 47 중량%)를 투입하고, 50℃의 온도에서 8시간 교반, 용해시켜 접착제를 제조하였다.8% by weight of SIS (Vector 4111, Dext Copolymer), 10% by weight of petroleum resin (SU-400, manufactured by Kolon Industries, Ltd.), silane coupling agent (KBM-403, Shinetsu) 2 (Cyclohexane 20 wt% + methyl ethyl ketone 7 wt%), thermoplastic polyurethane resin 6 wt% (NEOTIE 9202 VH (homogeneous high cam) 4 wt% + NEOTIE 3202 % + Methylcyclohexane 47% by weight), and the mixture was stirred and melted at a temperature of 50 ° C for 8 hours to prepare an adhesive.
(실시예 3)(Example 3)
온도조절과 속도조절이 가능한 혼합용기에 SIS(Vector 4111, 덱스코 폴리머사) 9 중량%, 석유수지(SU-400, 코오롱인더스트리사) 11 중량%, 실란 커플링제(KBM-403, 신에츠) 3 중량%, 열가소성폴리우레탄 수지 7 중량%(NEOTIE 9202VH(동성하이캠) 4 중량% + NEOTIE 3202(동성하이캠) 3 중량%) 및 용제 70 중량%(싸이클로헥산 20 중량% + 메틸에틸케톤 7 중량% + 메틸싸이클로헥산 43 중량%)를 투입하고, 50℃의 온도에서 8시간 교반, 용해시켜 접착제를 제조하였다.9% by weight of SIS (Vector 4111, Dext Copolymer), 11% by weight of petroleum resin (SU-400, manufactured by Kolon Industries, Ltd.), silane coupling agent (KBM-403, Shinetsu) 3 , 7 wt% of thermoplastic polyurethane resin (NEOTIE 9202VH (homogeneous high cam) 4 wt% + NEOTIE 3202 (homogeneous high cam) 3 wt%) and solvent 70 wt% (cyclohexane 20 wt% + methyl ethyl ketone 7 wt% % + Methylcyclohexane 43% by weight), and the mixture was stirred and dissolved at a temperature of 50 ° C for 8 hours to prepare an adhesive.
(비교예 1)(Comparative Example 1)
종래 CR계 접착제로써 A-340(화승 T&C)를 사용하였다.A-340 (Hwaseung T & C) was used as a conventional CR adhesive.
2. 접착제의 평가2. Evaluation of Adhesive
상기 실시예 1 내지 3 및 비교예 1에 따른 접착제에 대한 불휘발분(wt%), 점도(cps), 접착강도(N/25mm, kgf/cm), 톨루엔 함량(μg/m3) 및 할로겐 함량(μg/m3)을 평가(프라이머 사용하지 않음)하였으며, 시험규격 및 결과는 아래 [표 1]에 나타내었다.(Wt%), viscosity (cps), adhesive strength (N / 25 mm, kgf / cm), toluene content (μg / m 3 ) and halogen content (wt%) of the adhesive according to Examples 1 to 3 and Comparative Example 1 (μg / m 3 ) was evaluated (no primer was used), and the test specifications and results are shown in Table 1 below.
(시료수)Test Specification
(sample water)
(5개)KS M 3705
(5)
(5개)KS M 3708
(5)
(kgf/cm)N / 25mm
(kgf / cm)
(5개)KS T 1028
(5)
(5개)KS M 1993
(5)
(5개)KS M 1993
(5)
상기 [표 1]에서와 같이 본 발명의 실시예 1 내지 3에 따른 접착제는 비교예 1에 따른 접착제에 비하여 톨루엔과 같은 극성 유기용제나 할로겐계 물질이 검출되지 않았으며, 이러한 유기용제 및 할로겐계 물질을 사용하지 않고도, 불휘발분, 점도, 접착강도 등이 모두 우수함을 알 수 있다.As shown in Table 1, polar organic solvents and halogen-based substances such as toluene were not detected in the adhesives according to Examples 1 to 3 of the present invention as compared with the adhesive according to Comparative Example 1, It can be seen that the non-volatile matter, the viscosity and the adhesive strength are all excellent without using a substance.
상술한 바와 같은, 본 발명의 바람직한 실시 예에 따른 자동차 내장재용 친환경 접착제 조성물을 설명하였지만, 이는 예를 들어 설명한 것에 불과하며 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 다양한 변화 및 변경이 가능하다는 것을 이 분야의 통상적인 기술자들은 잘 이해할 수 있을 것이다.Although the eco-friendly adhesive composition for automobile interior material according to the preferred embodiment of the present invention has been described above, the present invention is not limited thereto. For example, Those of ordinary skill in the art will appreciate this.
Claims (3)
스티렌-이소프렌-스티렌(styren-isoprene-styren, SIS) 7 ~ 9 중량%, 석유수지 9 ~ 11 중량%, 실란 커플링제 1 ~ 3 중량%, 열가소성 폴리우레탄(thermo plastic polyurethane, TPU) 5 ~ 7 중량% 및 용제 70 ~ 78 중량%로 이루어지는 것을 특징으로 하는, 자동차 내장재용 친환경 접착제 조성물.
In the adhesive composition,
7 to 9 wt% of styrene-isoprene-styrene (SIS), 9 to 11 wt% of a petroleum resin, 1 to 3 wt% of a silane coupling agent, 5 to 7 of thermoplastic polyurethane (TPU) And 70 to 78% by weight of a solvent, based on the total weight of the composition.
실란 커플링제는,
비닐계 실란(vinyl based silane), 에폭시계 실란(epoxy based silane), 아미노계 실란(amino based silane), 메타아크릴계 실란(methacryl based silane), 클로로프로필 실란(chloropropyl based silane) 또는 메르카프토 실란(mercapto based silane)으로 이루어진 군에서 단독 혹은 병용하여 사용하는 것을 특징으로 하는, 자동차 내장재용 친환경 접착제 조성물.
The method according to claim 1,
As the silane coupling agent,
Based silane, an epoxy based silane, an amino based silane, a methacryl based silane, a chloropropyl based silane, or a mercaptosilane mercapto based silane), which is used alone or in combination.
상기 용제는,
메틸에틸케톤(methylethylketone), 에틸아세테이트(ethylacetate), 싸이클로헥산(cyclohexane), 아세톤(Acetone), 이소프로필알콜(isopropylalcohol) 또는 메틸싸이클로헥산(methylcyclohexane)으로 이루어진 군에서 3종 이상 병용하여 사용하는 것을 특징으로 하는, 자동차 내장재용 친환경 접착제 조성물.The method according to claim 1,
The solvent,
It is preferably used in combination with at least three of the group consisting of methylethylketone, ethylacetate, cyclohexane, acetone, isopropylalcohol or methylcyclohexane. By weight based on the total weight of the composition.
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