KR100252302B1 - A resin composition for engine-room cover of automobile - Google Patents
A resin composition for engine-room cover of automobile Download PDFInfo
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- KR100252302B1 KR100252302B1 KR1019970081213A KR19970081213A KR100252302B1 KR 100252302 B1 KR100252302 B1 KR 100252302B1 KR 1019970081213 A KR1019970081213 A KR 1019970081213A KR 19970081213 A KR19970081213 A KR 19970081213A KR 100252302 B1 KR100252302 B1 KR 100252302B1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Abstract
Description
본 발명은 자동차 엔진룸 커버 수지조성물에 관한 것으로서, 더욱 상세하게는 종래 폴리프로필렌 수지를 주성분으로 하고 여기에 탈크, 그라스파이버 및 폴리에틸렌이 첨가되어 이루어진 자동차 엔진룸 커버 수지 조성물에 있어서, 폴리프로필렌, 탈크, 폴리에틸렌의 함량을 감소시키는 대신 그라스파이버 함량을 증가시키고, 계면접착력 향상을 위해 황산바륨과 같은 커플링제를 첨가하여 그라스파이버와 소재와의 화학적 결합을 유도하여 물성을 향상시키고, 황산계 내열안정제를 첨가하여 장기 내열성이 우수하도록 한 자동차 엔진륨 커버 수지조성물에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile engine room cover resin composition, and more particularly, to an automobile engine room cover resin composition in which a talc, glass fiber, and polyethylene are added as a main component of a conventional polypropylene resin. Instead of reducing the polyethylene content, the glass fiber content is increased, and the coupling agent such as barium sulfate is added to improve the interfacial adhesion, and the chemical properties of the glass fiber and the material are induced to improve the physical properties. The present invention relates to a motor vehicle engine cover resin composition which is added to provide excellent long-term heat resistance.
엔진은 기관, 화력, 풍력, 수력, 전력 등의 각종 에너지를 단속적으로 기계적인 에너지로 바꾸고 다른 것을 움직이도록 하는 장치의 총칭으로서, 자동차의 동력으로서는 열에너지를 이용한 열기관, 전기에너지를 이용한 모터가 쓰여져 왔지만, 현재 열기관 중 화력을 이용한 연소기관이 주류를 이루고 있다.An engine is a general term for a device that converts various energy such as engine, thermal power, wind power, hydro power, and electric power into mechanical energy intermittently and moves other things.As a power source of a car, a heat engine using heat energy and a motor using electric energy have been used. Currently, combustion engines using thermal power among the heat engines are the mainstream.
연소기관은 중기엔진과 스틸링엔진 등의 외연기관과 가솔린엔진, 디젤엔진, 터빈엔진 등의 내연기관으로 분류되며, 가솔린엔진은 불꽃점화, 디젤엔진은 압축점화, 터빈엔진은 연속적인 연소를 특징으로 하고 있다.Combustion engines are classified into external combustion engines such as medium-sized engines and stilling engines, and internal combustion engines such as gasoline engines, diesel engines, and turbine engines. Gasoline engines are spark ignited, diesel engines are compressed ignition, and turbine engines are continuously burned. I am doing it.
또한, 가솔린엔진에는 피스톤의 왕복운동을 회전운동으로 변환하는 리시프로 엔진과 혼합기의 폭발력을 로터에 의하여 직접 회전력으로 바꾸는 로터리엔진이 있다.In addition, the gasoline engine has a rotary engine that converts the explosion force of the engine and the mixer directly to the rotational force by the rotor with the receiver to convert the reciprocating motion of the piston into a rotary motion.
장래의 엔진으로는 전기모터와 가스터빈이 기대되고 있으며, 연료로는 천연가스, 알코올, 수소 태양광선 등을 사용한 엔진의 일부가 실용화되고 있다.Electric motors and gas turbines are expected as future engines, and parts of engines using natural gas, alcohol, hydrogen solar rays, and the like as fuels have been put into practical use.
그런데, 운전환경이 복잡, 다양화 됨에 따라 운전조건이 가혹해지고, 따라서엔진의 운전환경이 가혹해지고 있다.However, as the driving environment is complicated and diversified, the driving conditions are severe, and therefore the driving environment of the engine is being severe.
이와같은 상황으로 인하여 엔진이 장착되어 있는 공간, 즉 엔진 룸을 덮고 있는 커버는 보다 향상된 내열성이 요구되고 있다.Due to such a situation, the space in which the engine is mounted, that is, the cover covering the engine room, is required to have improved heat resistance.
종래 자동차 엔진주변 장착용 커버는 폴리프로필렌, 탈크, 그라스파이버 및 폴리에틸렌으로 이루어진 것으로서, 비중 1.14, 인장 강도 312 ㎏/㎠, 파단신율 7.5%, 굴곡탄성율 48710 ㎏/㎤, IZOD 충격강도 4.1 ㎏㎝/㎝, 경도 95, 열변형온도(18.6 ㎏하중) 135℃로 이는 엔진룸내의 가혹한 환경에 적응이 어려운 등의 차음성 및 제진성이 떨어지는 문제가 있었다.Conventional cover around the vehicle engine is made of polypropylene, talc, glass fiber and polyethylene, specific gravity 1.14, tensile strength 312 ㎏ / ㎠, elongation at break 7.5%, flexural modulus 48710 ㎏ / ㎠, IZOD impact strength 4.1 ㎏ ㎝ / ㎝, hardness 95, heat deflection temperature (18.6 ㎏ load) to 135 ℃ this was a problem of poor sound insulation and vibration damping properties such as difficult to adapt to the harsh environment in the engine room.
본 발명은 상기와 같은 자동차 엔진룸 커버재료의 문제점을 해결하여 차음성, 제진성 및 내열성이 향상된 자동차 엔진주변에 장착되는 커버용 수지조성물을 제공하는 데 있다.The present invention solves the problems of the vehicle engine room cover material as described above is to provide a resin composition for the cover to be mounted around the vehicle engine with improved sound insulation, vibration damping and heat resistance.
본 발명은 폴리프로필렌 35 ∼ 40 중량%, 탈크 12 ∼ 17 중량%, 황산바륨 25 ∼ 35 중량%, 폴리에틸렌 2 ∼ 7 중량%, 그라스파이버 8 ∼ 12 중량%, 내열안정제 0.08 ∼ 1.2 중량% 및 커플링제 1.8 ∼ 2.2 중량%로 이루어진 자동차 엔진룸 커버 수지조성물을 그 특징으로 한다.The present invention is 35 to 40% by weight polypropylene, 12 to 17% by weight talc, 25 to 35% by weight barium sulfate, 2 to 7% by weight polyethylene, 8 to 12% by weight glass fiber, 0.08 to 1.2% by weight heat stabilizer and coupling An automobile engine room cover resin composition comprising 1.8 to 2.2% by weight of a ring is characterized by the above-mentioned.
이와같은 본 발명을 더욱 상세하게 설명하면 다음과 같다.The present invention will be described in more detail as follows.
본 발명은 종래 엔진룸 커버 수지조성물의 조성에 있어서, 종래보다 폴리프로필렌 및 탈크의 함량을 줄이고, 그라스파이버의 함량을 증가시킬 뿐만 아니라 황산바륨, 내열안정제 및 커플링제를 새로이 첨가하여 제진성, 차음성 및 내열성 등의 물성이 개선된 엔진룸 커버 수지조성물에 관한 것이다.The present invention is to reduce the content of polypropylene and talc, increase the content of glass fiber in the composition of the conventional engine room cover resin composition, as well as a new addition of barium sulfate, heat stabilizer and coupling agent for vibration damping, tea The present invention relates to an engine room cover resin composition having improved properties such as voice and heat resistance.
본 발명은 우선, 전체적으로 종래 엔진룸 커버재에 비하여 내열성 향상목적을 위하여 그라스파이버의 함량을 8 ~ 12 중량%로 증가시킨다. 만일, 이들의 함량이 8 중량% 미만이면 내열성, 강도 측면에서 바람직하지 않으며, 12 중량%를 초과하면 제진측면에서 역시 바람직하지 않다.The present invention, first, to increase the content of the glass fiber to 8 to 12% by weight for the purpose of improving the heat resistance as compared to the conventional engine room cover material as a whole. If the content thereof is less than 8 wt%, it is not preferable in terms of heat resistance and strength, and if it exceeds 12 wt%, it is also not preferable in terms of vibration damping.
또한, 본 발명은 수지 조성물의 제진물성을 개선하기 위하여 황산바륨을 전체 함량중 25 ~ 35 중량% 만큼 포함시키는 데, 이들의 함량이 만일 상기 범위를 벗어나는 경우 본 발명에서 목적으로 하는 소기의 효과를 달성할 수 없는 문제점이 있다.In addition, the present invention includes a barium sulfate by 25 to 35% by weight of the total content in order to improve the vibration damping properties of the resin composition, if their content is out of the above range to achieve the desired effect of the object of the present invention There is a problem that cannot be achieved.
그리고, 본 발명은 계면접착력을 높히기 위해 조성물내에 커플링제를 첨가하여 그라스파이버와 소재와의 화학적 결합을 유도함으로써 결과적으로 인장강도, 파단신율, 굴곡탄성율, 충격강도 등의 물성치를 향상시키도록 한다. 이때, 커플링제로는 실란올을 전체 함량중 1.8 ~ 2.2 중량% 첨가하여 사용하며, 이렇게 함량을 한정하는 이유는 이 범위가 수지와의 접착에 가장 적당한 범위이기 때문이다.In addition, the present invention is to increase the physical properties such as tensile strength, elongation at break, flexural modulus, impact strength by inducing a chemical bond between the glass fiber and the material by adding a coupling agent in the composition to increase the interfacial adhesion. At this time, the coupling agent is used by adding the silanol 1.8 ~ 2.2% by weight of the total content, the reason for limiting the content is because this range is the most suitable range for adhesion with the resin.
또한, 본 발명은 수지조성물내에 장기 내열을 향상시키기 위해 내열안정제로서 황(sulphur)계 내열안정제를 전체 함량중 0.08 ~ 1.2 중량%만큼 첨가하여 수지조성물을 합성하여 150℃에서 2,000시간 동안 견뎌내도록 하는 내열안정 시험에 적합하도록 설계하였다.In addition, the present invention by adding a sulfur-based heat stabilizer 0.08 ~ 1.2% by weight of the total content as a heat stabilizer to improve long-term heat in the resin composition to synthesize the resin composition to withstand 2,000 hours at 150 ℃ It is designed to be suitable for heat stability test.
이상에서와 같은 조성을 이용하여 통상의 방법에 의하여 자동차 엔진룸 커버 수지조성물을 제조하면, 제진성, 차음성 및 내열성이 향상된 엔진룸 커버재를 얻을 수 있다.When the automobile engine room cover resin composition is manufactured by a conventional method using the composition as described above, an engine room cover material having improved vibration damping resistance, sound insulation and heat resistance can be obtained.
이하, 본 발명은 실시예에 의거하여 상세히 설명하면 다음과 같은 바, 본 발명이 실시예에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described in detail with reference to the Examples as follows, the present invention is not limited by the Examples.
실시예 및 비교예Examples and Comparative Examples
다음 표 1 에 나타낸 조성 및 함량을 이용하여 본 발명에 따른 수지조성물을 합성하였고, 또한 상기 본 발명에 따른 수지조성물의 물성을 비교하기 위하여 다음 표 1에 나타낸 종래 엔진룸 커버재를 이용하여 다음과 같은 실험을 하였다.Next, the resin composition according to the present invention was synthesized using the composition and content shown in Table 1, and in order to compare the physical properties of the resin composition according to the present invention, the conventional engine room cover material shown in Table 1 below was used as follows. The same experiment was done.
즉, 다음 표 1과 같은 조성으로 이루어진 각각의 수지조성물에 대하여 비중, 인장강도는 ASTM D638의 방법으로, 파단신율은 ASTM D638의 방법으로, 굴곡탄성율은 ASTM D790의 방법으로, 아이조드 충격강도는 ASTM D256의 방법으로, 경도는 ASTM D785의 방법으로 측정하였으며, 또한 열변형온도는 ASTM D648의 방법으로 측정하여 그 결과를 다음 표 1에 함께 나타내었다.That is, for each resin composition having the composition shown in Table 1, specific gravity, tensile strength is the method of ASTM D638, elongation at break is the method of ASTM D638, flexural modulus is the method of ASTM D790, Izod impact strength is ASTM By the method of D256, the hardness was measured by the method of ASTM D785, and the heat deflection temperature was measured by the method of ASTM D648 and the results are shown in Table 1 together.
상기 표 1의 결과로부터 본 발명에 따른 수지조성물은 비중이 향상되었는 바, 이는 차음성 재료로서 적합함을 알 수 있고, 열변형온도가 높아진 것으로 보아 내열성도 우수함을 알 수 있다.From the results of Table 1, the resin composition according to the present invention has an improved specific gravity, and it can be seen that it is suitable as a sound insulating material, and it can be seen that heat resistance is also excellent as the heat deformation temperature is increased.
이상에서 상세히 설명한 바와 같이, 본 발명에 따라 폴리프로필렌, 탈크, 황산바륨, 폴리에틸렌, 그라스파이버, 내열안정제 및 커플링제로 이루어진 수지조성물은 인장강도를 비롯한 전반적인 물성이 우수하고, 열변형온도도 높아 내열성이 우수하여 가혹한 운전조건 하에서도 엔진룸의 커버로서 유용하게 사용할 수 있는 효과가 있다.As described in detail above, the resin composition composed of polypropylene, talc, barium sulfate, polyethylene, glass fiber, heat stabilizer, and coupling agent according to the present invention has excellent overall physical properties including tensile strength, and high heat deformation temperature. This is excellent and there is an effect that can be usefully used as a cover of the engine room even under harsh operating conditions.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970081213A KR100252302B1 (en) | 1997-12-31 | 1997-12-31 | A resin composition for engine-room cover of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970081213A KR100252302B1 (en) | 1997-12-31 | 1997-12-31 | A resin composition for engine-room cover of automobile |
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| Publication Number | Publication Date |
|---|---|
| KR19990060966A KR19990060966A (en) | 1999-07-26 |
| KR100252302B1 true KR100252302B1 (en) | 2000-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1019970081213A KR100252302B1 (en) | 1997-12-31 | 1997-12-31 | A resin composition for engine-room cover of automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101717622B1 (en) * | 2016-10-06 | 2017-04-05 | 현대합성공업 주식회사 | In-Car for Soundproofing one-piece engine cover and a manufacturing method for implementing |
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1997
- 1997-12-31 KR KR1019970081213A patent/KR100252302B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101717622B1 (en) * | 2016-10-06 | 2017-04-05 | 현대합성공업 주식회사 | In-Car for Soundproofing one-piece engine cover and a manufacturing method for implementing |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990060966A (en) | 1999-07-26 |
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