KR100738462B1 - A method for producing glazing for automobile vehicle - Google Patents
A method for producing glazing for automobile vehicle Download PDFInfo
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- KR100738462B1 KR100738462B1 KR1020060036951A KR20060036951A KR100738462B1 KR 100738462 B1 KR100738462 B1 KR 100738462B1 KR 1020060036951 A KR1020060036951 A KR 1020060036951A KR 20060036951 A KR20060036951 A KR 20060036951A KR 100738462 B1 KR100738462 B1 KR 100738462B1
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- 0 C*(C(N(CCCOCC1OC1)O)O*=C)=C Chemical compound C*(C(N(CCCOCC1OC1)O)O*=C)=C 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
Abstract
Description
도 1은 본 발명의 일 실시예에 따라 제조된 자동차용 글레이징의 일예를 나타낸 도면.1 is a view showing an example of an automobile glazing manufactured according to an embodiment of the present invention.
** 도면의 주요부분에 대한 기호의 설명 **** Explanation of symbols for the main parts of the drawing **
10 : 폴리카보네이트판 20 : 자외선차단막10
30 : 폴리메타크릴산메틸막 40 : 내스크래치막30 polymethyl methacrylate film 40 scratch-resistant film
본 발명은 자동차용 글레이징 제조방법에 관한 것으로, 더욱 상세하게는 충격강도가 매우 강한 엔지니어링 플라스틱 소재인 폴리카보네이트를 주 원료로한 자동차용 글레이징 제조방법에 관한 것이다.The present invention relates to a method for manufacturing glazing for automobiles, and more particularly, to a method for manufacturing glazing for automobiles based on polycarbonate which is an engineering plastic material having a very strong impact strength.
현재 자동차용 글레이징으로 주로 사용되는 것은 유리이다. 그러나, 유리는 무거워 취급에 어려움이 있고, 충격에 그다지 강하지 않고, 인장강도가 약해서 벤딩모멘트에 대한 저항성 역시 떨어지므로 쉽게 깨지는 단점을 가지고 있다. 그러한 단점을 보완하기 위해 강화유리가 사용되고 있으나, 이러한 강화유리 역시 경량화 에는 실패하여 그 취급이나 작업과정에 있어서 어려움이 있다.Currently, glass is mainly used for automobile glazing. However, glass is difficult to handle because it is heavy, not very resistant to impact, and has a disadvantage in that it is easily broken because its tensile strength is weak and resistance to bending moment is also low. Tempered glass is used to make up for the shortcomings, but such tempered glass also fails to reduce its weight and thus has difficulty in handling or working.
이러한 자동차용 글레이징에 있어 유리의 대체제로 최근 강도가 강하고, 높은 광투과율을 보이는 엔지니어링 플라스틱 소재인 폴리카보네이트에 대한 연구가 진행되고 있으며, 특히 폴리카보네이트의 약점인 표면에 상처나 균열이 생기기 쉬운 결점을 보완하기 위한 많은 연구가 진행되고 있다.Recently, research on polycarbonate, an engineering plastic material with high strength and high light transmittance, has been conducted as an alternative to glass in glazing for automobiles. In particular, the surface of the polycarbonate, which is a weak point of polycarbonate, is easily damaged. Many studies are being done to supplement.
전술한 폴리카보네이트의 약점인 표면에 상처나 균열이 생기기 쉬운 결점을 보완하기 위하여 폴리카보네이트에 내스크래치성을 부여하는 표면 처리 기술들이 제시되고 있는데 다음과 같은 것들이 있다.Surface treatment techniques for imparting scratch resistance to polycarbonates have been proposed in order to compensate for defects such as scratches and cracks on the surface, which are weak points of the polycarbonates described above.
폴리카보네이트와 내스크래치성이 있는 고분자를 혼합시켜서 사용하는 방법, 플라즈마를 이용하여 실리콘 다이옥사이드를 화학증착하는 방법, 내스크래치성을 가진 필름을 금형에 삽입하여 사출 성형하여 폴리카보네이트 자동차용 글레이징을 성형하는 방법 등이다.Method of mixing polycarbonate with scratch resistant polymer, Chemical vapor deposition of silicon dioxide using plasma, Injection molding by inserting a film with scratch resistance into a mold to mold polycarbonate automotive glazing Method and the like.
이러한 방법 들 중 내스크래치성이 있는 고분자를 폴라카보네이트와 혼합시켜서 사용하는 방법은 그 혼합과정에서 상분리가 일어나서 그 혼합물이 불투명해지면서 광투과율이 떨어져 자동차용 글레이징으로는 적합하지 않아지는 문제점이 있으며, 플라즈마를 이용한 화학증착은 공정이 복잡하고, 공정시간이 길어 생산성이 현저히 떨어지는 문제점이 있다. 그리고, 내스크래치성을 가진 필름을 금형에 삽입하여 사출 성형하는 방법은 내스크래치성을 가진 필름이 폴리카보네이트판으로부터 분리되는 박리현상이 발생하는 문제점을 가지고 있으며, 사출 성형이라는 복잡한 공정을 포함하고 있다는 문제점 역시 내포하고 있다.Among these methods, a method of mixing a scratch-resistant polymer with a polar carbonate has a problem in that phase separation occurs during the mixing process and the mixture becomes opaque, resulting in poor light transmittance, making it unsuitable for automotive glazing. Chemical vapor deposition using plasma has a problem that the process is complicated, the process time is long, productivity is significantly reduced. In addition, the method of injection molding by inserting a scratch-resistant film into a mold has a problem that the peel-resistant phenomenon is separated from the polycarbonate film from the polycarbonate plate, and includes a complicated process called injection molding Problems are also involved.
본 발명은 상술한 문제점을 해결하기 위한 것으로서, 제조공정이 간단하면서도, 내스크래치막의 박리현상이 발생하지 않으며, 광학적으로도 우수한 자동차용 글레이징을 제조할 수 있는 자동차용 글레이징 제조방법을 제공하는데 그 목적이 있다.The present invention is to solve the above-mentioned problems, the manufacturing process is simple, but the peeling phenomenon of the scratch-resistant film does not occur, and to provide an automotive glazing manufacturing method that can manufacture a glazing for automotive excellent optically the object There is this.
상술한 목적을 달성하기 위하여, 본 발명은,In order to achieve the above object, the present invention,
압출성형 방식에 의해 폴리카보네이트판을 하는 제조하면서 공압출방식으로 상기 폴리카보네이트판 어느 한 면에 자외선차단층을 형성하는 단계;Forming a sunscreen layer on either side of the polycarbonate plate by coextrusion while producing a polycarbonate plate by extrusion molding;
상기 자외선차단층이 형성된폴리카보네이트판에 열을 가하여 적절한 모양을 성형하는 단계;Forming an appropriate shape by applying heat to the polycarbonate plate on which the UV blocking layer is formed;
상기 성형된 폴리카보네이트판에 폴리메타크릴산메틸(PMMA)막을 형성하는 단계;Forming a polymethyl methacrylate (PMMA) film on the molded polycarbonate plate;
상기 폴리메타크릴산메틸(PMMA)막위에 내스크래치막을 형성하는 단계를 포함하는 자동차용 글레이징 제조방법을 제공한다.It provides a vehicle glazing manufacturing method comprising the step of forming a scratch-resistant film on the polymethyl methacrylate (PMMA) film.
상기 내스크래치막의 형성은,Formation of the scratch resistant film,
(3-글리시독시프로필)트리에톡시실란(GPTMS)과, 디에틸렌트리아민(DETA)과, 물 및 에탄올의 혼합물이 질산촉매하에서 졸-겔 반응에 의해 형성된 코팅액을 도포하여 형성하는 것이 바람직하다.It is preferable that a mixture of (3-glycidoxypropyl) triethoxysilane (GPTMS), diethylenetriamine (DETA), water and ethanol is formed by applying a coating liquid formed by a sol-gel reaction under a nitric acid catalyst. Do.
상기 내스크래치막의 형성은,Formation of the scratch resistant film,
(3-글리시독시프로필)트리에톡시실란(GPTMS)과, (3-아미노프로필)트리에톡시실란(APS)과, 물 및 에탄올의 혼합물이 질산촉매하에서 졸-겔 반응에 의해 형성된 코팅액을 도포하여 형성하는 것이 바람직하다.A mixture of (3-glycidoxypropyl) triethoxysilane (GPTMS), (3-aminopropyl) triethoxysilane (APS), water and ethanol was formed by a sol-gel reaction under a nitric acid catalyst. It is preferable to apply | coat and form.
또한, 상기 내스크래치막을 형성하기 위한 코팅액에 폴리티오펜계 도전성 고분자를 추가로 배합하여 형성된 코팅액을 도포하여 상기 내스크래치막을 형성하는 것이 더욱 바람직하다.In addition, it is more preferable to form the scratch-resistant film by applying a coating liquid formed by further blending a polythiophene-based conductive polymer to the coating liquid for forming the scratch-resistant film.
이하에서는 본 발명의 일 실시예에 대하여 상세히 설명하기로 한다.Hereinafter, an embodiment of the present invention will be described in detail.
도 1은 본 발명의 일 실시예에 따라 제조된 자동차용 글레이징의 일예를 나타낸 도면이다.1 is a view showing an example of an automobile glazing manufactured according to an embodiment of the present invention.
본 실시예에 따른 자동차용 글레이징 제조방법은 폴리카보네이트판 형성단계, 성형단계, 폴리메타크릴산메틸막 형성단계, 내스크래치막 형성단계를 포함하고 있다.The glazing method for automobiles according to the present embodiment includes a polycarbonate plate forming step, a molding step, a polymethyl methacrylate film forming step, and a scratch resistant film forming step.
상기 폴리카보네이트판(10) 형성단계는 폴리카보네이트판(10)을 압출성형방식에 의해 제조하면서, 그 폴리카보네이트판(10) 어느 한면에 공압출 방식에 의해 자외선차단막(20)을 형성하는 단계를 말한다.In the forming of the
폴리카보네이트판(10)을 압출방식에 의해 제조하면서, 공압출 방식에 의해 자외선차단막(20)을 형성하게 되면, 폴리카보네이트판(10)을 제조하고 별도의 작업을 통해 자외선차단막(20)을 형성하는 두 단계의 공정을 거치는 경우에 비하여, 자외선차단막을 형성하는 별도의 단계를 거치지 않아도 되므로, 제조효율의 증가를 가져올 수 있다. When the
폴리카보네이트판(10)의 어느 일면에만 자외선차단막(20)을 형성하는 것은 자동차용 글레이징의 외부로 향하는 면에만 자외선차단막(20)을 형성하면 되기 때문이며, 양면에 모두 자외선차단막(20)을 형성하여, 자외선차단효율을 증가시킬 수도 있다.The
성형단계는 상기 자외선차단막(20)이 형성된 폴리카보네이트판(10)에 열을 가하고, 자동차용 글레이징으로 성형하기에 적절한 금형을 이용하여, 상기 폴리카보네이트판(10)을 적절한 모양으로 성형하는 단계를 의미한다.The molding step may be performed by applying heat to the
폴리메타크릴산메틸막 형성단계는 상술한 바와 같이 성형된 폴리카보네이트판(10)의 1차 표면처리과정으로, 폴리메타크릴산메틸을 아세톤에 녹인 후, 폴리카보네이트판(10) 위에 코팅을 한다. 코팅을 한 후에는 10분정도 상온에서 건조시키고, 90도 정도의 온도에서 다시 10분간 건조시킨다.Polymethyl methacrylate film forming step is the first surface treatment process of the
건조가 마무리 되면 폴리메타크릴산메틸막(30)의 급격한 수축을 방지하고, 추후에 형성될 내스크래치막과의 접착력을 높이기 위해 위해 60 내지 100도 정도의 온도로 몇시간 정도 숙성을 시킨다. When the drying is finished, in order to prevent rapid shrinkage of the polymethyl methacrylate film 30, and to increase the adhesive force with the scratch-resistant film to be formed later to aged to mature for several hours at a temperature of about 60 to 100 degrees.
폴리메타크릴산메틸막(30)은, 도 1에 도시된 바와 같이, 폴리카보네이트판(10)의 양면측에 모두 형성되며, 일면측의 경우에는 자외선차단막(20)의 상부에 형성되고, 타면측의 경우에는 폴리카보네이트판(10) 상에 형성된다. 상기 폴리메타크릴산메틸막(30)의 두께는 0.3 내지 1μm로 형성하는 것이 바람직하다.As shown in FIG. 1, the polymethyl methacrylate film 30 is formed on both sides of the
내스크래치막 형성단계는 도 1에 도시된 바와 같이, 폴리카보네이트판(10)의 양면측에 형성된 폴리메타크릴산메틸막(30) 상에 내스크래치막(40)을 각각 형성하 는 단계를 의미한다.The scratch resistant film forming step means forming the scratch resistant film 40 on the polymethyl methacrylate film 30 formed on both sides of the
내스크래치막은 (3-글리시독시프로필)트리에톡시실란(GPTMS)과, 디에틸렌트리아민(DETA)과, 물 및 에탄올, 폴리티오펜계 도전성 고분자의 혼합물이 질산촉매하에서 졸-겔 반응에 의해 형성된 코팅액을 도포하여 형성한다.The scratch resistant film is a mixture of (3-glycidoxypropyl) triethoxysilane (GPTMS), diethylenetriamine (DETA), water, ethanol and polythiophene conductive polymers in a sol-gel reaction under a nitric acid catalyst. It is formed by applying a coating liquid formed by.
상기 (3-글리시독시프로필)트리에톡시실란(GPTMS)은 아래에 표시된 화학식 1과 같은 화학구조를 갖는 물질로서, 내스크래치막(40)의 형성을 위한 코팅액의 29.91 내지 66.69 중량%를 구성하며, 29.91중량% 이하인 경우에는 코팅막의 형성이 제대로 되지 않는 문제점이 발생하고, 66.69중량%이상인 경우에는 코팅액의 점성이 너무 켜져서 코팅액을 다루기가 힘든 단점이 발생하게 된다.The (3-glycidoxypropyl) triethoxysilane (GPTMS) is a material having a chemical structure as shown in Formula 1 below, and constitutes 29.91 to 66.69% by weight of the coating solution for forming the scratch resistant film 40. And, if it is less than 29.91% by weight, a problem occurs in that the formation of the coating film is not properly formed, and in the case of more than 66.69% by weight, the viscosity of the coating liquid is turned on so much that it is difficult to handle the coating liquid.
상기 디에틸렌트리아민(DETA)은 아래에 표시된 화학식 2와 같은 화학구조를 갖는 물질로서, 내스크래치막(40)의 형성을 위한 코팅액의 1.09 내지 10.75 중량%를 구성하며, 1.09중량% 이하인 경우에는 코팅액에 의해 형성된 내스크래치막의 강도가 떨어지는 문제점이 발생하고, 10.75중량%이상인 경우에는 부착강도가 떨어져 쉽게 박리현상이 일어나게 되는 단점이 발생하게 된다.The diethylene triamine (DETA) is a material having a chemical structure as shown in formula (2) shown below, and constitutes 1.09 to 10.75% by weight of the coating liquid for the formation of the scratch-resistant film 40, and when less than 1.09% by weight The problem occurs that the strength of the scratch-resistant film formed by the coating liquid is lowered, and in the case of more than 10.75% by weight, the adhesion strength is easily lowered to cause a peeling phenomenon.
상기 물은 내스크래치막(40)의 형성을 위한 코팅액의 9.93 내지 33.81중량%를 구성하며, 9.93중량% 이하인 경우에는 코팅액에 의한 표면형성이 어려워지는 문제점이 발생하고, 33.81중량%이상인 경우에는 코팅액에 의한 내스크래치막의 표면이 너무 거칠어지는 단점이 발생하게 된다.The water constitutes 9.93 to 33.81% by weight of the coating liquid for the formation of the scratch resistant film 40, and when the content is less than 9.93% by weight, it is difficult to form the surface by the coating liquid, and when the coating liquid is 33.81% by weight or more The disadvantage is that the surface of the scratch resistant film is too rough.
상기 에탄올은 내스크래치막(40)의 형성을 위한 코팅액의 용매로서 사용되며, 전체의 8.02 내지 53.96중량%를 구성하며, 8.02중량% 이하인 경우에는 용매의 양이 적어지게 되므로 코팅액의 점성이 커져 코팅액을 다루기가 힘들어지는 문제점이 발생하고, 53.96중량%이상인 경우에는 코팅액이 너무 묽어져서 내스크래치성 등의 물성이 떨어지는 단점이 발생하게 된다.The ethanol is used as a solvent of the coating liquid for the formation of the scratch-resistant film 40, and constitutes 8.02 to 53.96% by weight of the total, when the amount of the solvent is less than 8.02% by weight, the viscosity of the coating liquid is increased, the coating liquid Problems arise that the handling is difficult, and when the 53.96% by weight or more, the coating solution is too thin to cause a disadvantage in that the physical properties such as scratch resistance.
상기 질산은 내스크래치막(40)의 형성을 위한 코팅액의 제조에 있어서 촉매로서 사용되며, 전체의 0.05 내지 1.16중량%를 구성하며, 0.05중량% 이하인 경우나, 1.16중량%이상인 경우에는 표면이 거칠어지는 단점이 발생하여, 상기 중량%의 범위내에서 사용된다.The nitric acid is used as a catalyst in the preparation of the coating liquid for the formation of the scratch-resistant film 40, and constitutes 0.05 to 1.16% by weight of the total, the surface is roughened when less than 0.05% by weight, or more than 1.16% by weight. Disadvantages arise and are used within the above weight percent range.
한편, 전술한 내스크래치막(40)을 위한 코팅액을 형성하기 위한 원료로서 폴리티오펜계 도전성 고분자, 예컨대, 폴리에텔린디옥시티오펜을 추가적으로 사용할 수 있으며, 도전성 고분자를 코팅액에 포함하는 경우 우수한 내스크래치성 뿐만 아니라 큰 표면저항을 가져 정전기 발생을 줄임으로써 자동차용 글레이징이 먼지 등으로부터 오염되는 것을 막는 효과가 발생된다.On the other hand, as a raw material for forming the coating liquid for the scratch-resistant film 40 described above, a polythiophene-based conductive polymer, for example, polyetherindioxythiophene, may be additionally used, and when the conductive polymer is included in the coating liquid, In addition to scratching properties, it has a large surface resistance to reduce the generation of static electricity, thereby preventing the glazing for automobiles from being contaminated from dust.
상기 코팅액은 상술한 (3-글리시독시프로필)트리에톡시실란(GPTMS), 물, 에탄올, 질산의 혼합물을 5 내지 24시간동안 상온에서 교반하고, 디에틸렌트리아민(DETA)을 혼합한 후 10 내지 50분 동안 상온에서 반응시켜 제조한다. 반응시간이 10분 미만인 경우에는 내스크래치막(40)의 투명도와 강도에 문제가 생기며, 50분 이상에서는 코팅액을 다루기가 힘들어지는 문제가 발생하며, 30분정도 반응시키는 것이 가장 바람직하다.The coating solution is a mixture of the above-mentioned (3-glycidoxypropyl) triethoxysilane (GPTMS), water, ethanol, nitric acid for 5 to 24 hours at room temperature, and mixed with diethylenetriamine (DETA) Prepared by reacting at room temperature for 10 to 50 minutes. If the reaction time is less than 10 minutes, a problem occurs in the transparency and strength of the scratch-resistant film 40, a problem occurs that the handling of the coating liquid is more than 50 minutes, it is most preferable to react for 30 minutes.
코팅액이 제조되면 코팅액을 폴리메타크릴산메틸막이 형성된 폴리카보네이트판에 도포하고, 오븐에서 130도로 가열하여 5 내지 24시간동안 열처리를 하여, 내스크래치막을 형성하게 된다. When the coating solution is prepared, the coating solution is applied to a polycarbonate plate having a polymethyl methacrylate film formed thereon, and heated in an oven at 130 degrees for heat treatment for 5 to 24 hours to form a scratch resistant film.
내스크래치막의 형성이 완료되면, 본 실시예에 따른 자동차용 글레이징의 제조가 완료된다.When the formation of the scratch resistant film is completed, the manufacture of the automotive glazing according to this embodiment is completed.
이하에서는 상기 내스크래치막(40)의 형성을 위한 코팅액의 조성이 앞선 실시예와 다른 두번째 실시예에 대하여 설명하기로 한다. 내스크래막(40)의 형성을 위한 코팅액 이외에 나머지의 구성요소는 모두 앞선 실시예와 동일하므로 그 상세한 설명은 생략하기로 한다.Hereinafter, a second embodiment in which the composition of the coating liquid for forming the scratch resistant film 40 is different from the previous embodiment will be described. In addition to the coating liquid for forming the scratch-resistant film 40, the remaining components are the same as the previous embodiment, the detailed description thereof will be omitted.
본 실시예에서 내스크래치막(40)의 형성은, (3-글리시독시프로필)트리에톡시실란(GPTMS)과, (3-아미노프로필)트리에톡시실란(APS)과, 물 및 에탄올의 혼합물이 질산촉매하에서 졸-겔 반응에 의해 형성된 코팅액을 도포하여 형성한다.In the present embodiment, the scratch resistant film 40 is formed of (3-glycidoxypropyl) triethoxysilane (GPTMS), (3-aminopropyl) triethoxysilane (APS), water and ethanol. The mixture is formed by applying a coating liquid formed by a sol-gel reaction under a nitric acid catalyst.
본 두번째 실시예에서, 상기 (3-글리시독시프로필)트리에톡시실란(GPTMS)은 상기 화학식 1과 같은 화학구조를 갖는 물질로서, 내스크래치막(40)의 형성을 위한 코팅액의 16.03 내지 65.58 중량%를 구성하며, 16.03중량% 이하인 경우에는 코팅막의 형성이 제대로 되지 않는 문제점이 발생하고, 65.58중량%이상인 경우에는 코팅액의 점성이 너무 켜져서 코팅액을 다루기가 힘든 단점이 발생하게 된다.In the second embodiment, the (3-glycidoxypropyl) triethoxysilane (GPTMS) is a material having the same chemical structure as that of Chemical Formula 1, and 16.03 to 65.58 of the coating liquid for forming the scratch resistant film 40. If the weight percent, less than 16.03% by weight of the coating film is not formed properly, the problem occurs when the 65.58% by weight or more of the coating liquid viscosity is too high to handle the coating liquid is a disadvantage.
상기 (3-아미노프로필)트리에톡시실란(APS)은 아래의 화학식 3과 같은 화학구조를 갖는 물질로서, 내스크래치막(40)의 형성을 위한 코팅액의 1.86 내지 67.47중량%를 구성하며, 1.86중량% 이하인 경우에는 내스크래치막의 강도가 떨어지는 문제점이 발생하고, 67.47중량%이상인 경우에는 내스크래치막의 표면이 고르지 못하게 되는 단점이 발생하게 된다.The (3-aminopropyl) triethoxysilane (APS) is a material having a chemical structure as shown in Formula 3 below, and constitutes 1.86 to 67.47 wt% of the coating solution for forming the scratch resistant film 40, and 1.86 If the weight% or less, the problem of the strength of the scratch-resistant film is reduced, if the 67.47% by weight or more, there is a disadvantage that the surface of the scratch-resistant film is uneven.
상기 물은 내스크래치막(40)의 형성을 위한 코팅액의 5.14 내지 33.34중량%를 구성하며, 5.14중량% 이하인 경우에는 코팅액에 의한 표면형성이 어려워지는 문제점이 발생하고, 33.34중량%이상인 경우에는 코팅액에 의한 내스크래치막의 표면 이 너무 거칠어지는 단점이 발생하게 된다.The water constitutes 5.14 to 33.34% by weight of the coating liquid for the formation of the scratch-resistant film 40, when the content is less than 5.14% by weight is difficult to form the surface by the coating liquid, when the coating liquid is 33.34% by weight or more The disadvantage is that the surface of the scratch resistant film is too rough.
상기 에탄올은 내스크래치막(40)의 형성을 위한 코팅액의 용매로서 사용되며, 전체의 3.26 내지 53.49중량%를 구성하며, 3.26중량% 이하인 경우에는 용매의 양이 적어지게 되므로 코팅액의 점성이 커져 코팅액을 다루기가 힘들어지는 문제점이 발생하고, 53.49중량%이상인 경우에는 코팅액이 너무 묽어져서 내스크래치성 등의 물성이 떨어지는 단점이 발생하게 된다.The ethanol is used as a solvent of the coating liquid for the formation of the scratch-resistant film 40, and constitutes 3.26 to 53.49% by weight of the total, when the amount of the solvent is less than 3.26% by weight, the viscosity of the coating liquid is increased, the coating liquid The problem occurs that the handling is difficult, and when the 53.49% by weight or more, the coating liquid is too thin to cause a disadvantage of poor physical properties such as scratch resistance.
상기 질산은 내스크래치막(40)의 형성을 위한 코팅액을 제조하는데 사용되는 촉매로서 사용되며, 전체의 0.03 내지 1.14중량%를 구성하며, 0.03중량% 이하인 경우나, 1.14중량%이상인 경우에는 표면이 거칠어지는 단점이 발생하여, 상기 중량%의 범위내에서 사용된다.The nitric acid is used as a catalyst used to prepare a coating liquid for the formation of the scratch-resistant film 40, and constitutes 0.03 to 1.14% by weight of the whole, when the surface is 0.03% by weight or less, or 1.14% by weight or more The disadvantage is that a disadvantage arises and is used within the above weight percent range.
상기 코팅액의 제조방법은 앞선 실시예와 유사하며, 본 실시예에서의 내스크래치막의 구성요소인 (3-글리시독시프로필)트리에톡시실란(GPTMS), 물, 에탄올, 질산의 혼합물을 5 내지 24시간동안 상온에서 교반하고, (3-아미노프로필)트리에톡시실란(APS)를 혼합한 후 10분 내지 30분 동안 상온에서 반응시켜 제조하는데, 10분 미만의 반응시간에서는 내스크래치막의 투명도와 강도에 문제가 싱기며, 30분 이상 반응시키게 되면, 코팅액을 다루기가 힘들어지는 문제가 발생하며, 15분간 반응시키는 것이 가장 바람직하다.The method of preparing the coating liquid is similar to the previous embodiment, and a mixture of (3-glycidoxypropyl) triethoxysilane (GPTMS), water, ethanol, and nitric acid, which is a component of the scratch resistant film in this embodiment, 5 to 5 It is prepared by stirring at room temperature for 24 hours and mixing (3-aminopropyl) triethoxysilane (APS) and reacting at room temperature for 10 to 30 minutes.In the reaction time of less than 10 minutes, The problem with the strength is low, and if it is reacted for 30 minutes or more, it becomes difficult to handle the coating solution, and it is most preferable to react for 15 minutes.
코팅액이 제조되면 코팅액을 폴리메타크릴산메틸막이 형성된 폴리카보네이트판에 도포하고, 오븐에서 130도로 가열하여 5시간 내지 24 시간, 바람직하게는 15시간동안 열처리를 하여, 내스크래치막을 형성하게 된다. When the coating solution is prepared, the coating solution is applied to a polycarbonate plate having a polymethyl methacrylate film formed thereon, and heated in an oven at 130 degrees for 5 hours to 24 hours, preferably 15 hours to form a scratch resistant film.
전술한 두 가지 실시예들에 따른 자동차용 글레이징 제조방법을 채택하는 경우, 종래에 비하여 제조 공정이 간단하면서도, 폴리메타크릴산메틸막을 이용하여 내스크래치막의 접착력을 높여서 내스크래치막의 박리현상이 저감되는 자동차용 글레이징을 제조할 수 있게 되는 장점이 있다.When adopting the automobile glazing manufacturing method according to the two embodiments described above, while the manufacturing process is simpler than the conventional, by using a polymethyl methacrylate film to increase the adhesion of the scratch-resistant scratch-resistant phenomenon of the scratch-resistant film is reduced There is an advantage to be able to manufacture automotive glazing.
이상에서 본 발명의 바람직한 실시예에 대하여 설명하였으나, 본 발명의 기술적 사상이 설명된 실시예들에 한정되는 것은 아니며, 본 발명의 기술적 사상을 위배하지 아니하는 범위내에서 다양한 형태의 자동차용 글레이징 제조방법으로 구체화 될 수 있다.Although the preferred embodiments of the present invention have been described above, the technical idea of the present invention is not limited to the described embodiments, and various forms of automobile glazing manufactures are made without departing from the technical idea of the present invention. Can be embodied in a way.
상술한 바와 같이, 본 발명에 따르면 제조공정이 간단하면서도, 내스크래치막의 박리현상이 저감되며, 광학적으로도 우수한 자동차용 글레이징을 제조할 수 있는 자동차용 글레이징 제조방법을 제공할 수 있다.As described above, according to the present invention, while the manufacturing process is simple, the peeling phenomenon of the scratch resistant film is reduced, it is possible to provide an automotive glazing manufacturing method capable of manufacturing an automotive glazing excellent optically.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102016212419A1 (en) | 2015-12-10 | 2017-06-14 | Hyundai Motor Company | RESIN COMPOSITION FOR COATING A PLASTIC GLAZING, PLASTIC GLAZING THEREFOR COATED, AND METHOD FOR PRODUCING PLASTIC GLAZING |
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| KR900700716A (en) * | 1988-01-14 | 1990-08-16 | 원본미기재 | Surface Triple Glazing Glazing |
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| KR20060015101A (en) * | 2004-08-13 | 2006-02-16 | 주식회사 삼양사 | Scratch resistant polycarbonate resin composition, polycarbonate glazing using the composition and method for preparation of the glazing |
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| KR900700716A (en) * | 1988-01-14 | 1990-08-16 | 원본미기재 | Surface Triple Glazing Glazing |
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| DE102016212419A1 (en) | 2015-12-10 | 2017-06-14 | Hyundai Motor Company | RESIN COMPOSITION FOR COATING A PLASTIC GLAZING, PLASTIC GLAZING THEREFOR COATED, AND METHOD FOR PRODUCING PLASTIC GLAZING |
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| DE102016212419B4 (en) | 2015-12-10 | 2020-07-16 | Hyundai Motor Company | RESIN COMPOSITION FOR COATING PLASTIC GLAZING AND USE THEREOF |
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