KR20020074928A - A natural glass using photochromism principle - Google Patents

A natural glass using photochromism principle Download PDF

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Publication number
KR20020074928A
KR20020074928A KR1020010015009A KR20010015009A KR20020074928A KR 20020074928 A KR20020074928 A KR 20020074928A KR 1020010015009 A KR1020010015009 A KR 1020010015009A KR 20010015009 A KR20010015009 A KR 20010015009A KR 20020074928 A KR20020074928 A KR 20020074928A
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South Korea
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glass
raw material
photochromism
color
photochromic substance
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KR1020010015009A
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Korean (ko)
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김서영
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김서영
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Publication of KR20020074928A publication Critical patent/KR20020074928A/en

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/10—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/02—Compositions for glass with special properties for coloured glass

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

PURPOSE: A naturally friendly glass using photochromism principle is provided in which a photochromic substance having various colors emitted by the intensity of light is added to main constituents of glass during processing of glass so that the mixture is extrusion molded to manufacture glass. CONSTITUTION: In glass manufactured by adding various materials having sense of a color to a glass composition, the naturally friendly glass using photochromism principle is characterized in that the materials comprise a photochromic substance(20) which actively emits a sense of a color by luminous intensity of light. The naturally friendly glass using photochromism principle is manufactured by passing through a raw material preparation process of preparing a glass raw material powder, a mixing process of mixing a photochromic substance a sense of color of which is actively changed by light with the glass raw material, a melting process of heating the mixture to a high temperature in the furnace by injecting the glass raw material mixed with the photochromic substance(20) into a furnace, a pressing/forming process of pressing the melted mixture to a high pressure so that the mixture is formed in a certain shape, and a machining and inspecting process of cutting the pressed/formed glass conforming to desired dimensions, and inspecting the cut glass, wherein the photochromic substance(20) can be coated on a glass plate(10) to form a photochromic coating film on the glass plate(10) while it is not added to the glass raw material, and the photochromic substance(20) comprises inorganic compounds such as silver halide, Hg3S2I2 and ZnS and organic compounds such as various hydrazone compounds, osazone, fulgide, stilbene and salicylaldehyde.

Description

포토크로미즘 원리를 이용한 자연친화형 유리{A natural glass using photochromism principle}A natural glass using photochromism principle

본 발명은 포토크로미즘(photochromism) 원리를 이용한 자연친화형 유리에 관한 것으로, 보다 상세하게는 유리의 가공시 유리의 주성분에 빛의 세기에 의해 다양한 색깔을 띄는 포토크로믹 소재를 첨가하여 압출 성형한 유리를 제조하는 포토크로미즘 원리를 이용한 자연친화형 유리에 관한 것이다.The present invention relates to a nature-friendly glass using a photochromism principle, more specifically, extrusion processing by adding a photochromic material having a variety of colors by the intensity of light to the main component of the glass when processing the glass It relates to a nature-friendly glass using the photochromism principle to produce a glass.

일반적으로 유리는 SiO2를 주원료로 하여 제조되며, 투명하고 투광성이 우수하며 열전도율이 낮아 창유리, 판유리, 병유리 등과 같은 여러 가지 용도로 사용되고 있다.In general, glass is manufactured using SiO 2 as a main raw material, and is used for various uses such as window glass, plate glass, and bottle glass because of its transparency, excellent light transmittance, and low thermal conductivity.

상기 유리의 구조는 대부분의 금속처럼 잘 알려져 있지 않으며, 독특한상태를 가져 유리상이라고 칭하여지고, '결정화하지 않고 딱딱한 상태로 냉각되는 용융산물'이라고 정의된다.The structure of the glass is not as well known as most metals, it has a unique state and is called a glass phase, and is defined as a 'melt product that is cooled to a hard state without crystallization'.

한편, 유리는 일반적으로 원료준비 → 중량(Weighing) → 뱃치 믹싱(Batch Mixing) → 성형 → 서냉 → 검사와 품질관리→ 2차공정 → 검사 → 포장 등의 공정을 거쳐 제조되고, 용도에 따라 서냉, 강화, 라미네이트, 클래딩(Cladding), 샌드블라스팅(Sand Blasting), 에칭(Etching), 메탈라이징(Metalling) 등과 같은 특별한 공정들이 부가될 수 도 있다.Meanwhile, glass is generally manufactured through raw material preparation → weighing → batch mixing → molding → slow cooling → inspection and quality control → secondary process → inspection → packaging. Special processes may be added, such as strengthening, laminating, cladding, sand blasting, etching, metalling, and the like.

또한, 유리는 뱃치(batch)에 다른 착색제를 첨가시켜 여러 가지 다른 색깔의 유리를 만들 수 있다.In addition, the glass can be made of glass of different colors by adding different colorants to the batch.

예를들어, 대부분의금속산화물은 유리에 용해되어 착색된 투명유리를 형성하며, 유황과 셀레늄 성분은 유리에서 콜로이드 상태로 나타나 유리에 투명성을 부여하고, 오팔 유리(opal glass)는 유리에 미세한 불소화합물의 결정질 함유물을 갖게 함으로 형성된다.For example, most metal oxides dissolve in glass to form colored transparent glass, and sulfur and selenium components appear colloidally in the glass, giving transparency to the glass, and opal glass gives fine fluorine to the glass. It is formed by having a crystalline content of the compound.

그러나, 종래의 유리는 유리의 고유 특성 및 효과만이 부여될 뿐 다른 유익한 특성이 부여되지 않는다.However, conventional glass is endowed with only the intrinsic properties and effects of the glass and no other beneficial properties.

또한, 자외선의 차단 및 빛을 선택적으로 흡수하기 위해 다양한 색깔을 띈 착색제를 첨가시키거나, 코팅막으로 사용하고 있지만 기대에 미치지 못하고 있다.In addition, various colors are added to the blocking of ultraviolet rays and selectively absorbing light, or used as a coating film, but it does not meet expectations.

그리고, 유리성분으로 제조된 자동차 유리, 안경 등도 외부의 강한 빛을 그대로 통과시켜 시야를 흐리게 하는 문제점이 있었다.In addition, automotive glass, glasses and the like made of a glass component had a problem of blurring the field of view by passing external strong light as it is.

본 발명은 상기한 제반 문제점을 해결하기 위해 안출된 것으로서, 본 발명의 목적은 외부의 빛에 의해 다양한 색감의 변화를 부여할 수 있는 포토크로믹 소재를 선택적으로 유리조성물에 혼합함으로써, 소재의 농도에 따라 외광의 반사율과 색감을 달리할 수 있을뿐 아니라 선택적으로 빛을 흡수할 수 있고, 유리 조성물에 포토크로믹 소재를 계면활성제를 균일하게 혼합하여 압출 성형함으로써 방담막을 형성할 수도 있는 다기능적인 포토크로믹 소재를 혼합한 유리를 제공하는 데 있다.The present invention has been made to solve the above-mentioned problems, an object of the present invention by selectively mixing a photochromic material that can give a variety of color changes by the external light to the glass composition, the concentration of the material According to the present invention, it is possible to vary the reflectance and color of external light, and to selectively absorb light, and to form an anti-fogging film by uniformly mixing a photochromic material with a surfactant in a glass composition and forming an anti-fog film. It is to provide a glass mixed with chromic material.

상기의 목적을 달성하기 위한 본 발명의 구성은, 유리조성물에 색감을 띄는 다양한 소재를 첨가하여 제조되는 유리에 있어서, 상기 소재가 빛의 조도에 의해 능동적으로 색감을 띄는 포토크로믹 물질로 구성되는 것을 특징으로 한다.The composition of the present invention for achieving the above object is, in the glass produced by adding a variety of materials with a color to the glass composition, the material is composed of a photochromic material that actively displays the color by the intensity of light It is characterized by.

도 1은 본 발명의 제조공정도,1 is a manufacturing process diagram of the present invention,

도 2는 본 발명에 따른 유리의 구조를 도시한 사시도,2 is a perspective view showing the structure of the glass according to the present invention;

도 3은 본 발명에 따른 다른 실시예를 도시한 사시도.3 is a perspective view showing another embodiment according to the present invention.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10 : 유리판 20 : 프토크로믹물질10 glass plate 20 protochromic material

30 : 코팅막30: coating film

이하 첨부된 도면을 참조하여 본 발명에 의한 포토크로미즘(photochromism)을 이용한 자연친화형 유리를 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a nature-friendly glass using photochromism (photochromism) according to the present invention.

도 1은 본 발명의 제조공정도이고, 도 2는 본 발명에 따른 유리의 구조를 도시한 사시도이고, 도 3은 본 발명에 따른 다른 실시예를 도시한 사시도이다.1 is a manufacturing process diagram of the present invention, Figure 2 is a perspective view showing the structure of the glass according to the present invention, Figure 3 is a perspective view showing another embodiment according to the present invention.

도시한 바와 같이, 포토크로믹 소재를 첨가시킨 유리를 제조하는 과정은, 유리원료 분말을 준비하는 원료준비공정과, 상기 유리원료에 빛에 의해 능동적으로 색감이 변하는 포토크로믹 물질을 혼합하는 믹싱공정과, 상기 포토크로믹 물질이혼합된 유리원료를 노(爐)에 투입하여 높은 온도로 가열하는 용융공정과, 상기 용융된 혼합물질을 소정의 형상으로 만들기 위해 높은 압력으로 가압하는 가압/성형공정과, 상기와 같이 가압/성형된 유리를 원하는 치수에 맞게 절단하고 검사하는 가공 및 검사과정을 거쳐 본 발명에 따른 유리를 제조하게 된다.As shown in the drawing, the process of manufacturing the glass to which the photochromic material is added includes preparing a raw material for preparing a glass raw material powder, and mixing the photochromic material whose color is actively changed by light to the glass raw material. Process, a melting process in which the glass raw material mixed with the photochromic material is put into a furnace and heated to a high temperature, and pressing / molding pressurized at a high pressure to make the molten mixture material into a predetermined shape. The glass according to the present invention is manufactured through a process and a process of cutting and inspecting the pressurized / molded glass to the desired dimensions as described above.

여기서, 상기 유리를 제조하는 공정은 통상의 유리를 제조하는 방법과 동일하되, 상기 믹싱공정에서 유리원료에 착색제를 첨가시켜 색감이 있는 유리를 제조하는 일반적인 방법 대신에, 본 발명에서는 포토크로믹 물질을 첨가시켜 다양한 색감의 변화를 갖는 유리를 제조하는 것이 특징이다.Here, the process of manufacturing the glass is the same as the method of manufacturing a conventional glass, in the present invention, instead of the general method of producing a colored glass by adding a colorant to the glass raw material, in the present invention a photochromic material It is characterized by producing a glass having a variety of color variations by the addition.

또한, 본 발명의 다른 실시예로써 도 3과 같이, 상기 포토크로믹 물질을 유리원료에 첨가시키지 않고 유리판에 포토크로믹 소재로 된 코팅막을 형성할 수도 있을 것이다.In addition, as another embodiment of the present invention, as shown in FIG. 3, a coating film made of a photochromic material may be formed on a glass plate without adding the photochromic material to the glass raw material.

여기서, 상기 크로믹 물질이란 외부의 자극에 의하여 능동적으로 색감을 띠는 물질을 말하며, 자극원에 따라 크게 일렉트로크로미즘(electrochromism)과 포토크로미즘(photochromism)으로 구분된다.Here, the chromic material refers to a material that is actively colored by an external stimulus, and is largely classified into electrochromism and photochromism according to the stimulus source.

상기 일렉트로크로미즘은 전기화학적 산화/환원반응에 의해 가역적으로 색이 변하는 현상을 말하며, 포토크로미즘은 빛의 세기에 따라 색이 가역적으로 변화하는 현상을 말한다.The electrochromism refers to a phenomenon in which the color is reversibly changed by the electrochemical oxidation / reduction reaction, and the photochromism refers to a phenomenon in which the color is reversibly changed according to the light intensity.

여기서, 포토크로믹 물질은 외광 즉 빛의 세기에 따라 능동적으로 색감을 나타내지만 일렉크로크로믹 물질인 경우에는 외광을 감지하는 센서 및 이를 일렉트로크로믹 물질이 필요로 하는 자극원 즉, 전류로 변환 및 조절해줄 수 있는 부가적인장치가 더 필요하다.Here, the photochromic material actively displays color depending on the external light, i.e., the light intensity, but in the case of the electrochromic material, the photochromic material detects the external light and converts it into a stimulus source required by the electrochromic material, that is, a current And further devices that can be adjusted.

즉, 상기 포토크로믹 물질은 햇빛에 의하여 가역적으로 색변화를 하게되고, 그 빛의 세기에 따라 다양한 색감을 나타낼 수 있으며, 빛이 없는 어두운 곳에 방치하게 되면 열적으로 원상태로 되돌아가 다시 무색을 띄게 되는 것이다.That is, the photochromic material is reversibly changed in color by sunlight, and may exhibit various colors depending on the intensity of light. Will be.

상기 포토크로믹 물질은 특별히 제한되지 않으며, 무기화합물의 구체적인 예로써 할로겐화은(silver halide), Hg3S2I2, ZnS 등이 있고, 유기화합물의 구체적인 예로서 각종 히드라존(hydrazone) 화합물, 오사존(osazone), 풀기드(fulgide), 스틸벤(stilbene), 살리실 알데히드(salicylaldehyde) 등이 있다.The photochromic material is not particularly limited, and specific examples of the inorganic compound include silver halide, Hg 3 S 2 I 2, ZnS, and the like, and various hydrazone compounds, osazone, Fulgide, stilbene, salicylaldehyde and the like.

그리고, 상기 포토크로믹 물질 이외에 다양하게 새로운 포토크로믹 화합물에 관해 연구가 진행되고 있으며, 그 일 예로써 스피로옥사진유도체의 포토크로믹 화합물을 들 수 있다.In addition, various new photochromic compounds are being researched in addition to the photochromic materials, and examples thereof include photochromic compounds of spiroxazine derivatives.

상기와 같이 포토크로믹 물질이 첨가된 본 고안에 의한 유리의 작용을 설명하면 먼저, 첨가된 포토크로믹 물질의 농도에 따라 외광의 반사율과 색감을 달리할 수 있게 된다.Referring to the operation of the glass according to the present invention to which the photochromic material is added as described above, first, it is possible to vary the reflectance and color of the external light according to the concentration of the added photochromic material.

그리고, 크로믹 물질로서 도전성 크로믹 물질을 사용하면 대전방지의 효과를 얻을 수 있고, 고경도의 크로믹 물질을 이용하면 내스크래치의 효과를 얻을 수 있으며 또한, 유리조성물에 포토크로믹 소재와 계면활성제를 균일하게 혼합하여 압출함으로써 자외선을 차단하고 방담막을 형성시킬 수도 있다.In addition, the use of a conductive chromic material as a chromic material provides an antistatic effect, and the use of a high hardness chromic material provides a scratch resistance effect, and the photochromic material interface with the glass composition. The active agent may be uniformly mixed and extruded to block ultraviolet rays and to form an antifogging film.

즉, 유리조성물에 포토크로믹 소재의 종류와 농도에 따라 선택적으로 첨가함으로써 다양한 효과를 갖는 유리를 제조할 수 있는 것이다.That is, by selectively adding to the glass composition according to the type and concentration of the photochromic material can be produced a glass having a variety of effects.

상술한 바와 같이 본 발명에 의하면, 유리조성물에 외부의 빛에 의해 다양한 색감의 변화를 부여할 수 있는 포토크로믹 소재를 선택적으로 첨가시켜 제조함으로써, 소재의 농도에 따라 외광의 반사율과 색감을 달리할 수 있고, 외부의 강한 빛을 그대로 통과시켜 시야를 흐리게 하는 것을 방지할 수 있으며, 색감의 다변화에 따라 다양한 실내 환경을 조성할 수 있는 장점이 있다.As described above, according to the present invention, by selectively adding a photochromic material that can give a variety of color changes by the external light to the glass composition, the reflectance and color of the external light are different depending on the concentration of the material. It is possible to prevent the blurring of the view by passing the strong external light as it is, there is an advantage that can create a variety of indoor environment according to the diversification of color.

또한, 포토크로믹 소재중에 고경도 프토크로믹 소재를 이용하여 코팅처리 함으로써 내스크래치 효과 등을 얻을 수 있으며, 유리 조성물에 포토크로믹 소재와 계면활성제를 균일하게 혼합하여 압출함으로써 방담막을 형성할 수 있어 코팅막에 사용되는 소재에 따라 다양한 효과를 부여할 수 있다.In addition, by applying a hardened protochromic material in the photochromic material, a scratch resistance and the like can be obtained, and the antifogging film can be formed by uniformly mixing and extruding the photochromic material and the surfactant in the glass composition. Can be given a variety of effects depending on the material used in the coating film.

Claims (1)

유리조성물에 색감을 띄는 다양한 소재를 첨가하여 제조되는 유리에 있어서, 상기 소재가 빛의 조도에 의해 능동적으로 색감을 띄는 포토크로믹 물질로 구성되는 것을 특징으로 하는 포토크로미즘 원리를 이용한 자연친화형 유리.In the glass manufactured by adding various materials having a color to the glass composition, the material is a nature-friendly type using the photochromism principle, characterized in that the material is composed of a photochromic material actively showing the color by the light intensity Glass.
KR1020010015009A 2001-03-22 2001-03-22 A natural glass using photochromism principle KR20020074928A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900001610A (en) * 1988-07-29 1990-02-27 코닝 글라스 워크스 High refractive index photochromic glass
JPH02188443A (en) * 1989-01-13 1990-07-24 Sumitomo Electric Ind Ltd Production of photochromic glass
JPH06191879A (en) * 1992-10-07 1994-07-12 Corning Inc Photochromic glass and method for control thereof
KR20000054341A (en) * 2000-05-31 2000-09-05 이상엽 Sunting for Glasses Useing Halide element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900001610A (en) * 1988-07-29 1990-02-27 코닝 글라스 워크스 High refractive index photochromic glass
JPH02188443A (en) * 1989-01-13 1990-07-24 Sumitomo Electric Ind Ltd Production of photochromic glass
JPH06191879A (en) * 1992-10-07 1994-07-12 Corning Inc Photochromic glass and method for control thereof
KR20000054341A (en) * 2000-05-31 2000-09-05 이상엽 Sunting for Glasses Useing Halide element

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