KR20120023221A - Gypsum board having functions of controlling humidity and reducing harmful substances - Google Patents
Gypsum board having functions of controlling humidity and reducing harmful substances Download PDFInfo
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- KR20120023221A KR20120023221A KR1020100085293A KR20100085293A KR20120023221A KR 20120023221 A KR20120023221 A KR 20120023221A KR 1020100085293 A KR1020100085293 A KR 1020100085293A KR 20100085293 A KR20100085293 A KR 20100085293A KR 20120023221 A KR20120023221 A KR 20120023221A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
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Abstract
Description
본 발명은 순환자원을 활용한 기능성/친환경 건자재 제품 생산기술 개발이라는 목적하에 새로이 개발된 조습 및 유해물질 저감 기능이 있는 석고보드에 관한 것으로서, 보다 상세하게는, 다공성 물질, 무기 섬유 및 유해물질 분해제를 포함함으로써, 습도가 높을 때에는 자체적으로 수분을 흡수하고 건조할 경우에는 방습하여 별도의 전기장치 없이 쾌적한 습도 환경의 실내를 유지함과 동시에 새집증후군의 원인 중 하나인 유해물질을 흡수분해하여 건강한 주거공간을 확보할 수 있는 건축부재용 석고보드에 관한 것이다.The present invention relates to a gypsum board with a newly developed humidity and harmful substance reduction function for the purpose of developing functional / environmental building material product production technology using circulating resources, and more specifically, porous material, inorganic fiber and harmful substance powder By including the release, it absorbs moisture by itself when the humidity is high and moisture-proof when it is dry to maintain a comfortable humidity environment without a separate electric device, and absorbs and decomposes harmful substances that are one of the causes of sick house syndrome. It relates to a gypsum board for building members that can secure space.
최근 지구환경과 건강에 대한 관심이 높아지면서, 순환자원을 활용한 기능성/친환경 제품 생산기술의 개발이 활발하게 이루어지고 있다. 특히 건축부재의 경우 수요가 많을 뿐만 아니라 인간의 주거시설에 직접 적용되기 때문에, 실내 습도를 조절하여 쾌적한 주거환경을 제공할 수 있고, 또한 새집증후군의 원인 유해물질들을 제거하여 건강한 주거공간을 제공할 수 있는 기능성/친환경 건자재 제품의 개발은 더욱 중요하다.Recently, as interest in the global environment and health has increased, development of functional / environmental product production technology using circulation resources has been actively performed. In particular, building members are not only in high demand but also applied directly to human living facilities, so they can provide a pleasant living environment by controlling indoor humidity and also provide healthy living space by removing harmful substances that cause sick house syndrome. The development of functional and environmentally friendly building materials products is even more important.
일본등록특허 제4042821호는 카올리나이트족 광물, 수산화알루미늄 원료 등을 혼합 분쇄한 후, 성형 및 소성하여 아노사이트-알루미나계 고강도 조습건재를 제조하는 방법을 개시하고 있다. 그러나 이 방법은 건자재의 제조공정이 다소 복잡하고, 제조비용이 고가라는 단점이 있다.Japanese Patent No. 4082821 discloses a method for producing an anthocite-alumina-based high-humidity dry material by mixing and grinding a kaolinite group mineral, an aluminum hydroxide raw material, and the like. However, this method has a disadvantage that the manufacturing process of the building materials is somewhat complicated, and the manufacturing cost is expensive.
한국공개특허 제1998-0026235호는 연질섬유질패널과 중질섬유질 패널이 접착제에 의하여 이중으로 접합되는 문화재 수장고용 조습패널을 개시하고 있다. 그러나 이 조습패널은 접착제를 필수적으로 사용하기 때문에 인체에 해로운 물질을 방출할 수 있어, 문화재 수장용으로는 적절할 지 모르나, 주거용 건축자재로는 부적절하다.Korean Laid-Open Patent Publication No. 1998-0026235 discloses a humidity pad for cultural property storage, in which a soft fiber panel and a heavy fiber panel are double bonded by an adhesive. However, the humidity control panel uses adhesives, which can release harmful substances to the human body, which may be suitable for storing cultural assets, but not suitable for residential building materials.
한국공개특허 2003-0042595호는 황토, 점토, 플라이애쉬, 규조토, 파쇄유리 등을 함유하는 건강타일 및 이의 제조방법을 개시하고 있다. 그러나 이러한 타일류의 경우 프레스 성형 및 소성을 거쳐야 하기 때문에 대량생산이 어려워 제조원가가 높은 단점이 있어 상용화되기 어렵다.Korean Laid-Open Patent Publication No. 2003-0042595 discloses a health tile containing ocher, clay, fly ash, diatomaceous earth, crushed glass, and the like, and a manufacturing method thereof. However, since these tiles have to undergo press molding and firing, they are difficult to mass commercialize due to high manufacturing costs due to difficulty in mass production.
본 발명은 상기한 바와 같은 종래 기술들의 문제점을 해결하고자 한 것으로서, 별도의 전기장치 없이 실내 습도 조절이 가능하고 또한 실내에 있는 유해물질 저감이 가능하며, 별도의 추가설비(예컨대, 800~1200℃의 소성설비) 없이 기존의 석고보드 제조공정에 적용 가능하여 대량생산이 가능한 건축부재용 석고보드를 제공하는 것을 기술적 과제로 한다.The present invention is to solve the problems of the prior art as described above, it is possible to control the room humidity without a separate electrical device and to reduce the harmful substances in the room, and additional additional equipment (for example, 800 ~ 1200 ℃ It is a technical problem to provide a gypsum board for a building member that can be applied to an existing gypsum board manufacturing process without a firing facility.
상기한 기술적 과제를 해결하고자 본 발명은, 기능성 성분으로서 다공성 물질, 무기 섬유 및 유해물질 분해제를 포함하는 것을 특징으로 하는 건축용 석고보드를 제공한다.The present invention to solve the above technical problem, provides a gypsum board for building, characterized in that it comprises a porous material, inorganic fibers and harmful substance decomposition agent as a functional component.
본 발명에 따른 석고보드를 실내용 건축부재로 하여 시공하면, 실내습도가 높을 때에는 자체적으로 수분을 흡수하고 건조할 경우에는 방습하여 별도의 전기장치 없이 쾌적한 습도 환경의 실내를 유지함과 동시에 새집증후군의 원인 중 하나인 유해물질을 흡수분해하여 건강한 주거공간을 확보할 수 있다.When the gypsum board according to the present invention is constructed as an indoor building member, when indoor humidity is high, it absorbs moisture by itself when the humidity is high and when it is dried, it is moisture-proof to maintain indoors in a comfortable humidity environment without a separate electric device and at the same time, It can absorb and decompose harmful substances, one of the causes, and secure a healthy living space.
이하에서 본 발명에 대하여 보다 상세히 설명한다.Hereinafter, the present invention will be described in more detail.
본 발명의 석고보드에 포함되는 다공성 물질은 실내 공기 중의 습기를 흡수/방출하고, 유해물질을 흡착하는 기능을 한다. 이러한 기능을 수행하는 동시에 석고보드 내의 다른 성분들과 양립가능한 다공성 물질이라면 특별한 제한없이 본 발명의 석고보드에 사용될 수 있다. 구체적으로는, 활성백토, 규조토, 와카나이 규조토, 플라이애쉬, 폐산성 백토 또는 이들의 혼합물이 사용될 수 있으며, 바람직하게는 활성백토가 사용된다.The porous material included in the gypsum board of the present invention functions to absorb / release moisture in indoor air and to adsorb harmful substances. A porous material compatible with other components in the gypsum board while performing this function can be used in the gypsum board of the present invention without particular limitation. Specifically, activated clay, diatomaceous earth, wakanai diatomaceous earth, fly ash, waste acid clay or mixtures thereof may be used, preferably activated clay is used.
다공성 물질의 비표면적은 50㎡/g 이상, 예컨대 50~500㎡/g인 것이 바람직하며, 150㎡/g 이상, 예컨대 150~500㎡/g인 것이 특히 바람직하다. 다공성 물질의 비표면적이 지나치게 작으면 석고보드의 조습 기능 및 유해물질 흡착 기능이 나빠질 수 있고, 반대로 지나치게 높으면 석고보드의 강도가 나빠질 수 있다.The specific surface area of the porous material is preferably 50 m 2 / g or more, such as 50 to 500 m 2 / g, and particularly preferably 150 m 2 / g or more, such as 150 to 500 m 2 / g. If the specific surface area of the porous material is too small, the humidity control function and the adsorption of harmful substances of the gypsum board may worsen, and if too high, the strength of the gypsum board may worsen.
본 발명의 석고보드에 포함되는 다공성 물질의 양은 바람직하게는 석고보드 심재 중 석고 100중량부 대비 1~20중량부이고, 보다 바람직하게는 5~15중량부이다. 다공성 물질의 양이 지나치게 적으면 석고보드의 조습 기능 및 유해물질 흡착 기능이 나빠질 수 있고, 반대로 지나치게 많으면 석고보드의 강도가 나빠질 수 있다.The amount of the porous material included in the gypsum board of the present invention is preferably 1 to 20 parts by weight, more preferably 5 to 15 parts by weight relative to 100 parts by weight of gypsum in the gypsum board core material. If the amount of the porous material is too small, the humidity control function and the adsorption of harmful substances of the gypsum board may worsen, on the contrary, the excessively high amount may worsen the strength of the gypsum board.
본 발명의 석고보드에 포함되는 무기 섬유는 다공성 물질 함유에 따른 석고보드의 강도 저하를 방지하는 기능을 한다. 이러한 기능을 수행하는 동시에 석고보드 내의 다른 성분들과 양립가능한 무기 섬유라면 특별한 제한없이 본 발명의 석고보드에 사용될 수 있다. 구체적으로는 유리섬유, 암면섬유 등의 무기계 섬유가 사용될 수 있으며, 바람직하게는 유리섬유가 사용된다.Inorganic fibers included in the gypsum board of the present invention serves to prevent a decrease in strength of the gypsum board due to the porous material. Any inorganic fiber that is compatible with other components in the gypsum board while performing this function can be used in the gypsum board of the present invention without particular limitation. Specifically, inorganic fibers such as glass fibers and rock wool fibers may be used, and glass fibers are preferably used.
본 발명의 석고보드에 포함되는 무기 섬유는 일정한 길이로 잘린(chopping) 것이 바람직하며, 그 길이는 0.5 ~ 5 cm 인 것이 바람직하고, 1 ~ 2 cm 것이 특히 바람직하다. 무기 섬유의 길이가 지나치게 짧으면 석고보드의 강도가 나빠질 수 있고, 반대로 지나치게 높으면 석고보드의 생산성 및 경제성이 나빠질 수 있다.It is preferable that the inorganic fibers included in the gypsum board of the present invention are chopped to a certain length, the length of which is preferably 0.5 to 5 cm, and particularly preferably 1 to 2 cm. If the length of the inorganic fiber is too short, the strength of the gypsum board may be worse, on the contrary, if the length is too high, the productivity and economic efficiency of the gypsum board may be worsened.
본 발명의 석고보드에 포함되는 무기 섬유의 양은 바람직하게는 석고보드 심재 중 석고 100중량부 대비 0.1~3중량부이고, 보다 바람직하게는 0.2~1중량부이다. 무기 섬유의 양이 지나치게 적으면 석고보드의 강도 보강 효과가 나빠질 수 있고, 반대로 지나치게 많으면 석고보드의 제조가 어려울 수 있다.The amount of the inorganic fiber contained in the gypsum board of the present invention is preferably 0.1 to 3 parts by weight, more preferably 0.2 to 1 part by weight relative to 100 parts by weight of gypsum in the gypsum board core material. When the amount of the inorganic fiber is too small, the strength reinforcing effect of the gypsum board may worsen, and on the contrary, when the amount of the inorganic fiber is too high, it may be difficult to manufacture the gypsum board.
다공성 물질이 유해물질을 흡착하기는 하지만, 방습할 때 흡착된 유해물질까지 동시에 방출되는 문제점이 있다. 따라서 본 발명의 석고보드에는, 흡착된 유해물질(예컨대, 포름알데히드와 같은 휘발성 유기 화합물)을 분해하여 방습시에 유해물질이 재방출되는 것을 막고자, 유해물질 분해제를 추가로 사용한다. 포름알데히드와 같은 휘발성 유기 화합물 분해 기능을 수행하는 것으로 알려진 기존의 화학물질로서 석고보드 내의 다른 성분들과 양립가능한 것이라면 특별한 제한없이 본 발명의 석고보드에 사용될 수 있다. 바람직하게는 수용성 유기 아미드계 분해제가 사용된다.Although porous materials adsorb harmful substances, there is a problem in that harmful substances are released simultaneously when moisture is absorbed. Therefore, in the gypsum board of the present invention, in order to decompose the adsorbed harmful substances (e.g., volatile organic compounds such as formaldehyde) to prevent the harmful substances from being re-released at the time of moisture proof, a harmful substance disintegrator is further used. Existing chemicals known to perform volatile organic compound decomposition functions, such as formaldehyde, can be used in the gypsum boards of the present invention without particular limitation as long as they are compatible with the other components in the gypsum board. Preferably a water soluble organic amide based disintegrant is used.
본 발명의 석고보드에 포함되는 유해물질 분해제의 양은 바람직하게는 석고보드 심재 중 석고 100중량부 대비 0.1~3중량부이고, 보다 바람직하게는 0.1~0.5중량부이다. 유해물질 분해제의 양이 상기한 범위 내이면, 적절한 유해물질 분해 효과와 석고보드의 물성을 동시에 얻을 수 있다.The amount of the harmful substance disintegrating agent included in the gypsum board of the present invention is preferably 0.1 to 3 parts by weight, more preferably 0.1 to 0.5 parts by weight relative to 100 parts by weight of gypsum in the gypsum board core material. When the amount of the noxious substance decomposing agent is within the above range, an appropriate noxious substance decomposition effect and the physical properties of the gypsum board can be obtained at the same time.
본 발명의 석고보드에는 상기한 기능성 성분 이외에 석고보드로서 필수성분인 석고(즉, 반수석고)가 포함되며, 그 외에 통상 첨가제 성분인 연제, 경화제, 감수제 등이 더 포함될 수 있다. 본 발명의 기능성 석고보드 제조방법에는 특별한 제한이 없으며, 기존의 석고보드 제조공정에서 기본 슬러리에 상기한 기능성 성분들을 첨가하는 방식으로 제조할 수 있다.The gypsum board of the present invention includes gypsum (ie, hemihydrate gypsum) which is an essential ingredient as a gypsum board, in addition to the above-described functional components, and may further include a softener, a hardener, a water reducing agent, and the like, which are usually additive components. Functional gypsum board manufacturing method of the present invention is not particularly limited, it can be prepared by adding the above functional components to the basic slurry in the existing gypsum board manufacturing process.
본 발명의 기능성 석고보드는 바람직하게는 KS F 2611에 따라 시험할 때 흡습량 40 g/㎡ 이상, 방습량 30 g/㎡ 이상으로 수분을 흡수/방출할 수 있으며, 바람직하게는 0.6~2 g/cm3의 부피비중을 갖는다.The functional gypsum board of the present invention is preferably capable of absorbing / releasing moisture at a moisture absorption amount of at least 40 g / m 2 and a moisture proof amount of at least 30 g / m 2 when tested according to KS F 2611, preferably 0.6 to 2 g. It has a volume specific gravity of / cm 3 .
이하에서 실시예를 통해 본 발명을 보다 상세하게 설명하나, 이들 실시예로써 본 발명이 제한되는 것은 아니다.
Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to these Examples.
[실시예][Example]
일반 건축용 석고보드 슬러리에 여러 종류의 다공성 물질을 투입하여 실험용 랩보드를 제작하였다. 하기 표 1에 투입된 다공성 물질 종류별 비표면적(BET) 및 석고 100중량부 대비 다공성 물질 10중량부 투입에 따른 흡방습량 측정결과를 나타내었다.Various kinds of porous materials were added to the slurry for general construction gypsum board to make experimental lab boards. Table 1 shows the results of measuring the moisture absorption and moisture content according to the specific surface area (BET) and the 100 parts by weight of the porous material added to the 100 parts by weight of the porous material.
[표 1][Table 1]
상기 제조된 랩보드 별로 해당 다공질 원료의 시간 경과에 따른 HCHO 흡착성능을 측정하여 하기 표 2에 나타내었다(Blank: 다공질 원료 불포함). HCHO 흡착성능은, 소형챔버 안에 일정농도의 HCHO를 주입시킨 후 가스검지관으로 시간 경과에 따른 농도변화를 측정하였다. 측정 샘플 모두 소형챔버 안에 동일량(10 g)을 펼친 후 측정하였다.By measuring the HCHO adsorption performance of the porous raw material of the corresponding manufactured raw material over time is shown in Table 2 (Blank: without porous raw material). HCHO adsorption performance, after a certain concentration of HCHO was injected into a small chamber, the concentration change over time was measured by a gas detector tube. All the measurement samples were measured after spreading the same amount (10 g) in a small chamber.
[표 2]TABLE 2
(단위: PPM)(In PPM)
다음으로, 석고 100중량부 대비 활성 백토의 투입량을 달리하며, 랩보드의 흡방습량 및 보드의 강도를 측정하였다. 측정 결과를 하기 표 3에 나타내었다.Next, the amount of activated clay was changed with respect to 100 parts by weight of gypsum, and the moisture absorption and moisture absorption of the board and the strength of the board were measured. The measurement results are shown in Table 3 below.
[표 3][Table 3]
다음으로, 석고보드의 비중 및 석고 100중량부 대비 무기섬유 투입량에 따른 랩보드의 흡방습량 및 보드의 강도를 측정하였다. 측정 결과를 하기 표 4에 나타내었다.Next, the moisture absorption and moisture absorption rate of the wrap board according to the specific gravity of the gypsum board and the inorganic fiber input amount compared to 100 parts by weight of gypsum was measured. The measurement results are shown in Table 4 below.
[표 4][Table 4]
다음으로, 실제 석고보드 생산라인에 의하여 본 발명의 석고보드를 제조하였으며, 얻어진 샘플에 대해 일반물성 시험을 행하였다. 실시예인 조습석고보드에는 석고 100중량부 대비 활성백토 10중량부, 무기섬유(유리섬유, 길이 약 1~2cm) 0.5중량부, 유기 아미드계 분해제 0.5중량부가 포함되었으며, 비교예로는 이들 기능성 성분들이 첨가되지 않은 일반 석고보드를 사용하였다. 물성시험 결과를 하기 표 5에 나타내었다.Next, the gypsum board of the present invention was produced by the actual gypsum board production line, and the obtained physical property test was performed. Example, the humidity gypsum board contained 10 parts by weight of activated clay, 0.5 parts by weight of inorganic fibers (glass fiber, about 1 to 2 cm), and 0.5 parts by weight of organic amide-based disintegrant, compared to 100 parts by weight of gypsum. General gypsum board was used without the components added. Physical property test results are shown in Table 5 below.
[표 5]TABLE 5
Claims (8)
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