KR20020075317A - An adhesive material form of poly olefine - Google Patents

An adhesive material form of poly olefine Download PDF

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Publication number
KR20020075317A
KR20020075317A KR1020020040636A KR20020040636A KR20020075317A KR 20020075317 A KR20020075317 A KR 20020075317A KR 1020020040636 A KR1020020040636 A KR 1020020040636A KR 20020040636 A KR20020040636 A KR 20020040636A KR 20020075317 A KR20020075317 A KR 20020075317A
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South Korea
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weight
hot melt
adhesive composition
melt adhesive
rosin
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KR1020020040636A
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Korean (ko)
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이월남
황연기
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부성폴리콤 주식회사
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Priority to KR1020020040636A priority Critical patent/KR20020075317A/en
Publication of KR20020075317A publication Critical patent/KR20020075317A/en

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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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/10—Homopolymers or copolymers of propene
    • C09J123/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
    • C08L93/04—Rosin
    • 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
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J11/08—Macromolecular additives

Abstract

PURPOSE: A polyolefin-type hot melt adhesive composition is provided, which has electric insulation, voltage breakage resistance, flame retardancy and good adhesive power to a substrate. CONSTITUTION: The polyolefin-type hot melt adhesive composition comprises 30-50 wt% of a homopropylene polymer as a base resin; 20-50 wt% of a rosin-based, petroleum-based or phenol-based adhesive property imparting agent; 2-10 wt% of an olefin-based rubber; 1-6 wt% of wax; 20-40 wt% of a filler; 0.1-2 wt% of an antioxidizing agent; 2-10 wt% of a viscosity controlling agent; and 2-8 wt% of a phosphorus-based flame retardant. Preferably the filler is selected from the group consisting of silica, calcium carbonate, talc, and aluminum oxide. The adhesive property imparting agent is preferably a rosin-based glycerol ester.

Description

폴리 올레핀 형태의 열용융형 접착제 조성물{An adhesive material form of poly olefine}An adhesive material form of poly olefine

본 발명은 폴리 올레핀 형태의 열용융형 접착제 조성물에 관한 것으로, 더욱 상세하게는 전기 절연성, 전압 파괴 저항성, 난연성을 가지고 피착제에 대하여도 우수한 접착력을 지니는 폴리 올레핀 형태의 열용융형 접착제 조성물에 관한 것이다.The present invention relates to a hot melt adhesive composition in the form of a polyolefin, and more particularly, to a hot melt adhesive composition in the form of a polyolefin having electrical insulation, voltage breakdown resistance, and flame retardancy and having excellent adhesion to an adherend. will be.

현대 산업화 사회에서 접착제는 토목, 목공, 자동차, 종이, 포장, 건축, 합판, 수소, 전기, 전자, 구두, 신발, 섬유 뿐 만 아니라 인공위성 등 매우 광범위하게 사용되고 거의 모든 공업에서 널리 보급되어 중요한 역할을 하고 있다.In modern industrial society, adhesives are very widely used in civil, woodworking, automotive, paper, packaging, construction, plywood, hydrogen, electricity, electronics, shoes, shoes, textiles, as well as satellites, and are widely used in almost all industries and play an important role. Doing.

접착제를 경화 방법에 의해 분류하면 용제형과 열용융형으로 대별할 수 있는데, 상기 열용융형 접착제는 용제형 접착제에 비하여 화재, 중독, 대기오염의 문제가 없으며 짧은 고화 시간으로 기계화, 자동화 등이 가능하다는 장점으로 목공, 제본, 포장 분야를 비롯 부품의 조립과 같은 산업용으로 그 수요가 증대되고 있다.When the adhesive is classified by the curing method, it can be classified into solvent type and hot melt type. The hot melt adhesive has no problems of fire, poisoning, air pollution, compared to the solvent type adhesive, and can be mechanized and automated with a short solidification time. It is possible that the demand is increasing for industries such as woodworking, bookbinding, packaging, and assembly of parts.

따라서 수요에 따른 요구 특성이 더욱 엄격히 요구되어 지는바 특히 상온에서의 접착력 향상은 물론이고 저온, 고온, 고온 다습한 환경에서도 접착력이 유지되고 또한 전기특성 및 화재의 위험으로 벗어날 수 있도록 난연성을 유지할 수 있는 접착제 등이 요구되고 있다.Therefore, the demand characteristics are more strictly required according to the demand. Especially, the adhesive strength is maintained not only in room temperature but also in low temperature, high temperature, and high temperature and high humidity environment, and the flame resistance can be maintained to escape the risk of electrical characteristics and fire. There is a demand for an adhesive or the like.

따라서 본 발명자는 상기한 요구 특성을 만족시켜 온도 변화에 따른 접착력 변화를 최대한 억제하고, 전기특성을 만족시키고 뛰어난 난연성을 가지고 피착제에 대하여서도 우수한 접착력을 구비하여 부품의 조립 등 공업용으로 널리 사용할 수 있는 열용융형 접착제를 제안하게 되었다.Therefore, the present inventors can satisfy the above required characteristics, suppress the change in adhesion force according to the temperature change as much as possible, satisfy the electrical characteristics, have excellent flame retardancy, and have excellent adhesion to the adherend, and thus can be widely used for industrial purposes such as assembly of parts. Proposed a hot melt adhesive.

본 발명의 목적은 베이스 수지인 호모프로필렌 폴리머 30~50중량%, 로진계,석유계, 페놀계 등의 점착성 부여 수지 20~50중량%, 탄성부여제인 올레핀계 고무 2~10중량%, 점도 및 연화점 조절제인 왁스(Wax) 1~6중량%, 실리카, 경탄, 탈크, 알루미늄 옥사이드 등의 충진제 20~40중량% 를 주요 성분으로 하고 그 외에 산화방지제, 인계 난연제, 안료 등을 소량 첨가하므로서 난연성, 전기절연성, 전압파괴성, 내한성, 내열성, 유연성이 우수하여 특히 금속 및 전기동선, 모니터, 텔레비젼 등에 사용하는 편형 요크(Deflection Yoke) 등에 유용하게 이용할 수 있는 폴리 올레핀 형태의 열용융형 접착제 조성물을 제공하는데 목적이 있다.An object of the present invention is 30-50% by weight of a homopropylene polymer of the base resin, 20-50% by weight of tackifying resin such as rosin-based, petroleum-based, phenolic, 2-10% by weight of olefinic rubber which is an emulsifier, viscosity and 1 to 6 wt% of softening point wax, 20 to 40 wt% of fillers such as silica, hard coal, talc, aluminum oxide, etc. as main components, and small amounts of antioxidants, phosphorus-based flame retardants, pigments, etc. To provide a heat-melt adhesive composition in the form of polyolefin, which has excellent electrical insulation, voltage breakdown, cold resistance, heat resistance, and flexibility, which can be particularly useful for deflection yokes used in metals and copper wires, monitors, and televisions. There is a purpose.

이하 본 발명의 실시예를 구체적으로 기술하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail.

먼저 본 발명의 조성비는 아래와 같다.First, the composition ratio of the present invention is as follows.

(A) 호모프로필렌 중합체 : 30~50중량%(A) homopropylene polymer: 30-50 wt%

(B) 점착성 부여제(로진계,석유계,페놀계의 글리세롤 에스테르): 20~50중량%(B) Tackifier (Glycerol ester of rosin, petroleum, phenol): 20-50% by weight

(C) 탄성부여제(올레핀계 고무) : 2~10중량%(C) Elasticizing agent (olefinic rubber): 2 to 10% by weight

(D) 충진제(실리카,중탄,경탄,탈크,알루미늄,옥사이드 등) : 20~40중량%(D) Filler (silica, heavy coal, hard coal, talc, aluminum, oxide, etc.): 20 to 40% by weight

(E) 점도 조절제(Wax) : 2~10중량%(E) Viscosity modifier (Wax): 2 to 10% by weight

(F) 인계 난연제 : 2~8중량%(F) Phosphorus flame retardant: 2 to 8% by weight

(G)산화 방지제 : 0.1~2중량%(G) Antioxidant: 0.1 ~ 2 wt%

상기 호모프로필렌 중합체(A)는 다른 첨가물과의 상용성이 우수하고 흐름성이 양호하여 열용융형 접착제 조성물의 기본 베이스 수지로 널리 사용되고 있는 것으로, 점도가 190℃에서 6000cps~10000cps, 연화점 140~160℃ 의 점도이며 평균 분자량 10,000~100,000의 수지가 적당하다.The homopropylene polymer (A) is widely used as a basic base resin of the hot melt adhesive composition because of its excellent compatibility with other additives and good flowability, and has a viscosity of 6000 cps to 10000 cps and a softening point of 140 to 160 at 190 ° C. A resin having a viscosity of 10C and an average molecular weight of 10,000 to 100,000 is suitable.

점착성 부여제(B)는 다른 첨가물과의 상용성이 우수하고 용융 점도가 높지 않으며 브로킹을 일으키지 않아야 되고 접착제의 연화점을 요구 수준으로 유지할 수 있는 것으로 로진계, 석유계, 페놀계 중에서도 로진계의 글리세롤 에스테르가 본 발명에서 가장 바람직하며, 그중 연화점이 80~130℃의 범위인 것이 특히 적당하다.The tackifier (B) has excellent compatibility with other additives, does not have a high melt viscosity, should not cause breaking, and can maintain the softening point of the adhesive at the required level. Glycerol esters are most preferred in the present invention, with a softening point in the range of 80 to 130 ° C being particularly suitable.

여기서 상기 점착성 부여제(B)는 위에서 정한 바와 같이 20~50중량%의 조성비를 갖는 것이 좋은데, 만약 이보다 적을 경우에는 초기 접착력이 부족하고 많을 경우에는 작업성이 불량하거나 오픈 타임이 길어질 수가 있다Wherein the tackifier (B) is preferably set to have a composition ratio of 20 to 50% by weight as described above, if less than this, the initial adhesive strength is insufficient, and in many cases the workability or open time may be long.

탄성 부여제(C)는 내한성과 유연성 및 충격성을 향상시키기 위해 올레핀계 고무류를 사용하고 있다.The elasticity-imparting agent (C) uses olefinic rubbers in order to improve cold resistance, flexibility, and impact resistance.

충진제(D)는 실리카, 경탄, 탈크, 알루미늄 옥사이드 등을 20~40 중량%로 사용하는 것이 바람직한데 이는 충격성을 보완하기 위한 것으로 이보다 과량일 경우에는 접착력이 떨어질 수가 있다.Filler (D) is preferably used in 20 to 40% by weight of silica, hard coal, talc, aluminum oxide, etc. This is to compensate for the impact, if the excess amount may be less adhesive.

점도조절제(E)는 연화점이 60~130℃의 범위로서 저분자량 폴리프로필렌 왁스, 폴리에칠렌 왁스, 파라핀 왁스, 미세결정 왁스 등을 2~10 중량%로 사용하는 것이 적당하며 이범위 미만에서는 가공성, 저온 특성이 불량하고 많을 경우에는 접착력이 저하될 수 있다.The viscosity modifier (E) has a softening point in the range of 60 to 130 ° C., and it is suitable to use low molecular weight polypropylene wax, polyethylene wax, paraffin wax, microcrystalline wax, etc. at 2 to 10% by weight. If the property is poor and many, the adhesive force may be lowered.

난연제(F)는 미국의 국제적 안전 규격인 UL-94 규정의 VO을 만족시키며 염소계, 브롬계, 할로겐계의 난연재를 사용치 아니하고 인체 유해 물질인 다이옥신, 벤조퓨란의 발생이 없고 중금속이 포함되어 있지 않는 인계 난연제를 사용한다.The flame retardant (F) satisfies the VO of UL-94, the international safety standard of the United States, and does not use chlorine, bromine or halogen flame retardants. It does not generate toxic substances such as dioxin and benzofuran and does not contain heavy metals. Do not use phosphorous flame retardants.

산화방지제(G)는 일반적으로 열용융형 접착제가 용융 상태로 오래 경과하거나 도포기 내에서 일어날 수 있는 부분적 과열 등으로 인한 특성의 저하를 방지하기 위한 것으로 통상의 경우 0.1~2중량% 범위로 하는 것이 좋다.Antioxidant (G) is generally used to prevent the deterioration of properties due to partial overheating that may occur in a molten state for a long time in a molten adhesive or in an applicator. It is good.

본 발명의 열용융형 접착제 조성물을 제조하는 방법은 통상의 혼합 기술로서 두루 적용 가능하다. 즉 가열 가능한 밀폐형 용기가 부착된 고속 임펠러형 분산기, 밀폐형 니더, 압출기 등을 사용한다. 필요에 따라 질소 등의 불활성 기체 분위기에서도 작업할 수 있다.The method for producing the hot melt adhesive composition of the present invention is applicable throughout as a conventional mixing technique. That is, a high speed impeller type disperser with a heatable hermetic container, a hermetic kneader, an extruder or the like is used. As needed, it can work also in inert gas atmosphere, such as nitrogen.

또한 원료의 투입 순서가 조성물의 균일성, 열 안정성 등에 영향을 미칠수있는데 융점이 낮은 성분 부터 완전 용융시키고, 산화방지제를 투입한 후 온도를 상승시켜 융점이 높은 성분을 투입하는 일반적 방법이 무난하다. 이때의 온도 역시 첨가제의 종류에 따라 달라질 수 있지만 130~220℃의 범위이면 적당하다.In addition, the order of raw materials may affect the uniformity of the composition, thermal stability, etc .. The general method of injecting components with high melting points by melting them completely from low melting components, increasing the temperature after adding antioxidants, and so on. . The temperature at this time may also vary depending on the type of additive, but is suitable in the range of 130 ~ 220 ℃.

그리고 본 발명은 제품의 고도의 분산성과 사용성을 강화하기 위해 고속 밀폐형 용기에서 분산한 후 밀폐형 니더(kneader)에서 완전 분산시키고 최종적으로 압출기 공법을 추가함으로서 제품의 균일 및 접착 특성을 강화 시켰다.In order to enhance the high dispersibility and usability of the product, the present invention is dispersed in a high-speed closed container, completely dispersed in a closed kneader, and finally, an extruder method is added to enhance the uniformity and adhesive properties of the product.

따라서 상기의 특성을 갖는 본 발명의 작업의 실시예를 보다 구체적으로 상술하여 본 발명의 목적 및 효과, 저온, 고온 특성 및 난연성의 우수함을 더욱 명백히 하고자 한다. 이에 앞서 본 발명의 기술 사상을 아래 몇 개의 특정 예에만 한정할 수 없다는 사실을 먼저 전제한다.Therefore, the embodiment of the operation of the present invention having the above characteristics will be described in more detail to clarify the object and effect of the present invention, excellent low temperature, high temperature properties and flame retardancy. Prior to this, it is assumed that the technical idea of the present invention cannot be limited to only a few specific examples below.

< 실시예1><Example 1>

150L 용량의 가열 용융 고속 교반 밀페형 용기에 폴리프로필렌 왁스 4.5Kg과 산화 방지제 0.5Kg을 약 160℃ 온도에서 투입하고, 용기의 온도를 160~170℃로 유지하면서 왁스와 산화방지제가 완전 용융되면 로진의 글리세롤 에스테르 25Kg을 투입하여 170~180℃ 온도에서 완전 용융시키고, 1시간 정도 교반뒤 탄성부여제인 올레핀 엘라스토머 수지 5Kg을 투입하여 180℃에서 완전 용융시킨 다음 베이스 수지인 호모프로필렌 수지 50Kg을 분할하여 투입 한 후 온도를 210~220℃ 상승시킨다.Into a 150L hot melt high speed stirring hermetically sealed container, 4.5Kg of polypropylene wax and 0.5Kg of antioxidant are introduced at a temperature of about 160 ° C, and the rosin is completely melted while the wax and the antioxidant are completely melted while maintaining the temperature of the container at 160 to 170 ° C. 25Kg of glycerol ester was melted completely at a temperature of 170 ~ 180 ° C, and after stirring for about 1 hour, 5Kg of olefin elastomer resin, an emulsifier, was added and completely melted at 180 ° C, and 50Kg of homopropylene resin as a base resin was divided and added. After raising the temperature to 210 ~ 220 ℃.

베이스 수지가 210~220℃에서 완전 용융되면 마지막으로 충진제 10Kg 및 인계 난연제 5Kg을 투입하고 온도를 유지한 상태에서 스텐레스 대차를 이용하여 용기로 부터 취출하여 냉각되어 고형화된 열용융 접착제 조성물를 다음 공정인 밀폐형니더에 이동시킨다.When the base resin is completely melted at 210 ~ 220 ° C, finally, 10Kg of filler and 5Kg of phosphorus flame retardant are added, and is cooled by taking out from the container by using a stainless steel trolley while maintaining the temperature to solidify the hot melt adhesive composition, which is the next step. Move to the kneader.

이때 밀폐형 니더의 온도는 100~120℃ 로 유지되고 열용융 접착제 조성물은 완전 분산되어 다음 압출 공정으로 이동된다.At this time, the temperature of the closed kneader is maintained at 100 ~ 120 ℃ and the hot melt adhesive composition is completely dispersed and moved to the next extrusion process.

그리고 압출 공정으로 이동된 열용융 접착제 조성물은 80~100℃ 의 압출온도로 압출되고 절단되어 컨베어 벨트를 통해 이동되면서 냉각되어 20~30℃의 펠렛(Pellet)의 형태로 제조된다.And the hot melt adhesive composition moved to the extrusion process is extruded and cut at an extrusion temperature of 80 ~ 100 ℃ is moved while moving through the conveyor belt is produced in the form of pellets (Pellet) of 20 ~ 30 ℃.

<실시예 2~4><Examples 2-4>

실시예1과 같은 작업 공정으로 하되 각각의 조성비를 달리한 실시예를 아래에 표에 나타내었다.The same working process as Example 1, but the examples of different composition ratios are shown in the table below.

조성(중량부)＼실시Composition (part by weight) 실시예1Example 1 실시예2Example 2 실시예3Example 3 실시예4Example 4 A(호모프로필렌중합체)A (homopropylene polymer) 5050 4545 4040 4040 B(점착성부여제)B (adhesive tackifier) 2525 3030 3535 3030 C(탄성부여제)C (elasticizer) 55 55 55 1010 D(충진제)D (filler) 1010 1010 1010 1010 E(왁스)E (wax) 4.54.5 4.54.5 4.54.5 4.54.5 F(난연제)F (flame retardant) 55 55 55 55 G(산화방지제)G (Antioxidant) 0.50.5 0.50.5 0.50.5 0.50.5

다음의 표는 상기와 같이 제조된 열용융 접착제 조성물을 여러가지 시험을 거쳐 그 결과치를 표로서 나타낸 것이다.The following table shows the results of the hot melt adhesive composition prepared as described above through various tests as a table.

시험항목Test Items 실시1Conduct1 실시2Conduct2 실시3Conduct 3 실시4Conduct4 내한성Cold resistance 이상없음clear 이상없음clear 이상없음clear 이상없음clear 내열성Heat resistance 125℃125 ℃ 124℃124 ℃ 122℃122 ℃ 120℃120 ℃ 열충격시험Thermal shock test 이상없음clear 이상없음clear 이상없음clear 이상없음clear 인장접착강도Tensile Bonding Strength 6565 6060 6060 5555 연화점Softening point 156156 154154 154154 152152 점도(200℃) CPSViscosity (200 ° C) CPS 60006000 55005500 53005300 70007000 난연성(UL-94-VO)Flame Retardant (UL-94-VO) VOVO VOVO VOVO VOVO

이의 시험 방법은 아래에 준한다.Its test method is as follows.

내한성 시험: 열용융 접착제 조성물을 180~220℃에서 용융하여 스텐레스 시편(10X 10Cm) 위에 접착제 조성물를 직경 30mm, 두께 3mm로 도포한 후 실온까지 냉각한 다음 -30 ~ -40℃의 항온기에 72시간 방치 후 시편의 크랙 및 들뜸 현상을 육안으로 관찰한다.Cold resistance test: Melt the hot melt adhesive composition at 180 ~ 220 ℃, apply the adhesive composition 30mm in diameter and 3mm thickness on stainless specimen (10X 10Cm), cool to room temperature, and leave for 72 hours at -30 ~ -40 ℃. Afterwards, the cracks and the lifting phenomenon of the specimens are visually observed.

내열성 시험: 1LOT당 임의로 선정된 100±3g의 열용융 접착제 조성물 시료 여러개를 수분함량을 검사한 후 균일하게 혼합한 다음 임의 부분 100g을 채취하여 180~220℃ 범위에서 충분히 용융한 후 표면 이물질이 깨끗이 제거된 준비된 편형요크(D.Y)의 양쪽에 용융된 시료 5±2g을 수평코일 부위까지 균일하게 도포하여 실온에서 30분간 냉각하고 다시 -40℃ 로 조정된 냉동기에 투입하여 24시간 경과후 도포된 부위에 크랙 또는 들뜸 발생 여부를 관찰한다.Heat resistance test: several 100 ± 3g of randomly selected hot melt adhesive composition samples per lot were inspected for water content, mixed uniformly, 100g of arbitrary part was taken and sufficiently melted in the range of 180 ~ 220 ℃, and the surface foreign matter was cleaned. 5 ± 2 g of the molten sample on both sides of the prepared flat yoke (DY) was evenly applied to the horizontal coil area, cooled at room temperature for 30 minutes, and then placed in a freezer adjusted to -40 ° C. Watch for cracks or lifting.

열충격시험: 열용융 접착제 조성물을 180~220℃에서 용융하여 한쌍의 100(가로)X 100(세로)mm 시료 철판에 지름 50mm, 두께 4mm로 도포하여 실온까지 냉각한 다음 항온기에서 -30℃x1hr 과 110℃x 1hr 과정을 50cycle 반복 실시하여 확인 결과 크랙 및 들뜸의 발생 여부를 관찰한다.Thermal Shock Test: Melt the hot melt adhesive composition at 180 ~ 220 ℃, apply 50mm diameter and 4mm thickness to a pair of 100 (width) × 100 (length) mm sample iron plates, cool it to room temperature, and then cool it to -30 ℃ x1hr in a thermostat. Repeat 50cycles of 110 ℃ x 1hr to observe the results of cracking and lifting.

인장접착강도시험: 1로트당 임의로 선정된 약 100g의 열용융 접착제 조성물 시료 여러개를 수분함량을 검사한 후 균일하게 혼합한 다음 임의 부분 100g을 채취하여 실험실 온도 23±2℃, 습윤상태 50±5% RH의 환경에서 인장속도 10mm/분으로 하여 시험편이 파괴될 때의 최대하중(Kgf)을 접착면적(cm2)으로 나누어 접착강도 (Kgf/cm2)를 구한다.Tensile adhesion strength test: After the water content of several 100 g randomly selected hot melt adhesive composition samples per lot was uniformly mixed, 100 g of random portions were collected, and the laboratory temperature was 23 ± 2 ° C. and the wet state was 50 ± 5. Adhesion strength (Kgf / cm 2 ) is obtained by dividing the maximum load (Kgf) when the specimen breaks at the tensile rate of 10 mm / min in% RH by the adhesion area (cm 2 ).

이외 연화점, 점도, 난연성 시험의 방법은 통상의 방법에 준한다.In addition, the method of softening point, a viscosity, and a flame retardance test follow a conventional method.

전술한 바와 같이 본 발명의 폴리 올레핀 형태의 열용융형 접착제 조성물은 종래의 것과 대비하여 내한성, 내열성, 열충격성, 난연성 등이 크게 우수함을 실험으로 알 수 있다.As described above, it can be seen from the experiment that the polyolefin-type hot melt adhesive composition of the present invention is significantly superior in cold resistance, heat resistance, thermal shock resistance, and flame retardancy compared to the conventional one.

이와 같이 본 발명은 베이스 수지 호모프로필렌 폴리머 30~50중량%, 점착성 부여제 수지로 로진계,석유계, 페놀계 등의 점착성 부여제 20~50중량%, 탄성부여제로 올레핀계 고무 2~10중량%, 점도 및 연화점 조절제로 왁스(Wax) 1~6중량%, 충진제로 실리카, 경탄, 탈크, 알루미늄 옥사이드 등을 20~40중량%를 주요 성분으로 한 폴리 올레핀 형태의 열용융형 접착제 조성물을 제공하므로서 난연성, 전기절연성, 전압파괴성, 내한성, 내열성, 유연성이 우수하여 상온에서의 접착력 향상은 물론이고 저온, 고온, 고온 다습한 환경에서도 접착력이 유지되고, 전기특성 및 화재의 위험으로 부터 벗어날 수 있으며, 피착제에 대하여서도 우수한 접착력을 구비하여 부품의 조립 등 공업용으로 널리 사용할 수 있는 우수한 효과가 있다.Thus, the present invention is 30 to 50% by weight of the base resin homopropylene polymer, 20 to 50% by weight of the tackifier such as rosin-based, petroleum-based, phenol-based, and 2 to 10% by weight of the olefin rubber as the tackifier. 1% to 6% by weight of wax, viscosity and softening point regulator, and 20 to 40% by weight of silica, hard coal, talc, aluminum oxide, etc. It is excellent in flame retardancy, electrical insulation, voltage breakdown, cold resistance, heat resistance, and flexibility to improve adhesion at room temperature as well as maintain adhesion in low temperature, high temperature, high temperature and high humidity environment, and can escape from electrical characteristics and risk of fire. In addition, it has excellent adhesion to the adherend and has an excellent effect that can be widely used for industrial purposes such as assembly of parts.

Claims (4)

베이스 수지인 호모프로필렌 폴리머 30~50중량%, 로진계,석유계, 페놀계의 점착성 부여제 20~50중량%, 올레핀계 고무 2~10중량%, 왁스 1~6중량%, 충진제 20~40중량% 를 주요 성분으로 하고 이에 산화방지제, 점도조절제, 인계 난연제를 첨가하여 조성된 폴리 올레핀 형태의 열용융형 접착제 조성물.Homopropylene polymer 30-50% by weight, rosin-based, petroleum-based, phenol-based tackifier 20-50% by weight, olefin-based rubber 2-10% by weight, wax 1-6% by weight, filler 20-40 A hot melt adhesive composition in the form of a polyolefin composed of a weight% as a main component and an antioxidant, a viscosity modifier, and a phosphorus flame retardant. 제 1항에 있어서 산화 방지제는 0.1~2중량%, 점도 조절제는 2~10중량%, 인계 난연제는 2~8중량% 로 조성됨을 특징으로 하는 폴리 올레핀 형태의 열용융형 접착제 조성물.According to claim 1, wherein the antioxidant is 0.1 to 2% by weight, the viscosity modifier is 2 to 10% by weight, the phosphorus-based flame retardant is composed of 2-8% by weight of the polyolefin type hot melt adhesive composition. 제 1항 에 있어서 점착성 부여제가 로진계의 글리세롤 에스테르인 폴리 올레핀 형태의 열용융형 접착제 조성물.The hot melt adhesive composition according to claim 1, wherein the tackifier is a rosin-based glycerol ester. 제 1항에 있어서 충진제가 실리카, 경탄, 탈크, 알루미늄 옥사이드 중에서 선택적으로 사용되는 폴리 올레핀 형태의 열용융형 접착제 조성물.The hot melt adhesive composition according to claim 1, wherein the filler is selectively used among silica, hard coal, talc and aluminum oxide.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102250565A (en) * 2011-06-09 2011-11-23 罗寅 Fireproof sealant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285430A2 (en) * 1987-04-03 1988-10-05 Minnesota Mining And Manufacturing Company Amorphous-polypropylene-based hot melt adhesive
KR940002333A (en) * 1992-07-23 1994-02-17 박원근 Composition of flame retardant hot melt adhesive
JP2000096015A (en) * 1998-09-21 2000-04-04 Toyo Ink Mfg Co Ltd Hot-melt type adhesive for heat-sensitive label, heat- sensitive label and peeling of the same
KR20000058683A (en) * 2000-06-24 2000-10-05 정하승 Polyolefin-based hot melt adhesive for deflection yoke
KR20000071804A (en) * 1999-04-28 2000-11-25 하기와라 세이지 Hot melt adhesive composition
KR20020032748A (en) * 2000-10-27 2002-05-04 정하승 hot-melt adhesive for electronic components

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285430A2 (en) * 1987-04-03 1988-10-05 Minnesota Mining And Manufacturing Company Amorphous-polypropylene-based hot melt adhesive
KR940002333A (en) * 1992-07-23 1994-02-17 박원근 Composition of flame retardant hot melt adhesive
JP2000096015A (en) * 1998-09-21 2000-04-04 Toyo Ink Mfg Co Ltd Hot-melt type adhesive for heat-sensitive label, heat- sensitive label and peeling of the same
KR20000071804A (en) * 1999-04-28 2000-11-25 하기와라 세이지 Hot melt adhesive composition
KR20000058683A (en) * 2000-06-24 2000-10-05 정하승 Polyolefin-based hot melt adhesive for deflection yoke
KR20020032748A (en) * 2000-10-27 2002-05-04 정하승 hot-melt adhesive for electronic components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102250565A (en) * 2011-06-09 2011-11-23 罗寅 Fireproof sealant

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