KR20040022985A - An Adiabatic Paint - Google Patents

An Adiabatic Paint Download PDF

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KR20040022985A
KR20040022985A KR1020020054595A KR20020054595A KR20040022985A KR 20040022985 A KR20040022985 A KR 20040022985A KR 1020020054595 A KR1020020054595 A KR 1020020054595A KR 20020054595 A KR20020054595 A KR 20020054595A KR 20040022985 A KR20040022985 A KR 20040022985A
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paint
temperature
weight
heat
insulation
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KR1020020054595A
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KR100500601B1 (en
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이석주
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이석주
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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
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: An insulation paint is provided, to improve heat insulation remarkably without deterioration of durability and weather resistance and to reduce manufacturing costs. CONSTITUTION: The insulation paint comprises 1-15 wt% of the ceramic hollow powder which comprises mainly SiO2 and Al2O3, has close pores and has a diameter of 200 micrometers or less. Preferably the ceramic hollow powder is cenosphere, and the cenosphere is deironed and desalted.

Description

단열 페인트 {An Adiabatic Paint}Insulation Paint {An Adiabatic Paint}

본 발명은 단열 페인트에 관한 것으로, 보다 상세하기로는 중공 세라믹체가 함유된 단열 페인트에 관한 것이다.The present invention relates to a heat insulating paint, and more particularly to a heat insulating paint containing a hollow ceramic body.

단열 페인트는 유류저장탱크 등과 같이 안전상의 이유로 외부의 열을 차폐할 필요성이 있는 분야는 물론, 결로현상을 방지하고 에너지 효율을 높이기 위하여 일반 주택이나 아파트의 외벽 등에도 사용되고 있다.Insulating paints are used in areas such as oil storage tanks that need to shield external heat for safety reasons, as well as exterior walls of general houses or apartments to prevent condensation and to increase energy efficiency.

단열 페인트에 관한 종래의 기술로는, 한국 공개특허 제200-46731호에 개시된 바와 같이, 열가소성 수지의 유탁액 45-70중량%와 세라믹 분말 1-10중량%, 내화성 물질 3-13중량%, 석회석 4-12중량%, 제올라이트 3-5중량%, 밀랍 10-30중량%로 구성된 것을 들 수 있다. 이 기술은 통상의 페인트에 비하여 내화성과 단열성이 향상된 것은 사실이나, 단열성에 있어서는 다소 부족한 문제점이 있다.Conventional techniques related to insulating paints, as disclosed in Korean Patent Laid-Open Publication No. 200-46731, 45-70% by weight of an emulsion of thermoplastic resin, 1-10% by weight of ceramic powder, 3-13% by weight of a refractory material, And 4-12% by weight of limestone, 3-5% by weight of zeolite and 10-30% by weight of beeswax. This technique is a fact that the fire resistance and heat insulation improved compared to the conventional paint, but there is a problem that is somewhat insufficient in heat insulation.

이러한 문제점을 해결하기 위한 기술로는, 한국 공개특허 제2001-40551호에 개시된 기술을 들 수 있다. 여기에는 전체 조성물 100중량부에 대하여 단열재로 1 내지 210마이크론의 입도를 가지는 발포 진주석(퍼라이트) 미분말이 0.5 내지 10중량부 사용된다. 발포 진주석 분말은 일반 세라믹 분말에 비하여 다공성이 우수하므로 보다 향상된 단열성을 부여할 수 있다.As a technique for solving such a problem, a technique disclosed in Korean Patent Laid-Open No. 2001-40551 may be mentioned. Here, 0.5 to 10 parts by weight of expanded pearlite (perlite) fine powder having a particle size of 1 to 210 microns is used as a heat insulating material based on 100 parts by weight of the total composition. Foamed pearlite powder is excellent in porosity compared to the general ceramic powder can be given more improved thermal insulation.

그러나 이 기술은 단열재로 사용되는 발포 진주석의 강도가 부족하여 페인트의 내구성 또는 내후성이 부족하다는 문제점을 가지고 있다.However, this technique has a problem that the durability of the paint or lack of weather resistance due to the lack of strength of the expanded pearl stone used as the insulation.

본 발명은 상기한 바와 같은 문제점을 해결하기 위한 것으로, 단열성이 현격하게 향상된 페인트를 제공하는 것을 목적으로 한다. 본 발명의 다른 목적은 내구성 또는 내후성이 우수한 단열 페인트를 제공하는 것이다. 본 발명의 또 다른 목적은 제조원가가 저렴한 단열 페인트를 제공하는 것이다.The present invention has been made to solve the above problems, and an object of the present invention is to provide a paint with significantly improved thermal insulation. Another object of the present invention is to provide an insulating paint excellent in durability or weather resistance. It is another object of the present invention to provide an insulating paint which is inexpensive to manufacture.

도1은 열차폐 시험 온도 프로파일을 나타낸 도표이고,1 is a chart showing the heat shield test temperature profile,

도2는 열차폐 성능의 시험 결과를 나타낸 도표이다.2 is a chart showing test results of heat shield performance.

본 발명은 SiO2와 Al2O3를 주성분으로 하고, 폐쇄기공을 가지며, 입경 200마이크론 이하인 세라믹 중공체 분말이 통상의 페인트에 1 내지 15중량% 첨가된 것을 특징으로 한다.The present invention is characterized in that 1 to 15% by weight of ceramic hollow powder having SiO 2 and Al 2 O 3 as main components, having closed pores, and having a particle diameter of 200 microns or less is added to a conventional paint.

이하, 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail.

공기는 좋은 단열재이며, 세라믹체 내부에 기공이 많이 있을수록 좋은 단열효과를 발휘하게 된다. 그리고 기공 중에서도 폐쇄기공을 가진 것이 개방기공을 가진 것 보다 더욱 우수한 단열효과를 발휘한다.Air is a good heat insulator, and the more pores in the ceramic body, the better the heat insulation effect. And among the pores, having a closed pore exhibits a better heat insulating effect than having an open pore.

본 발명에서 사용되는 세라믹 중공체 분말은 마치 탁구공과 같이 내부는 비어 있고 외벽은 전체적으로 폐쇄된 형태의 것이다. 이러한 형태의 분말은 매우 우수한 단열효과를 발휘함과 동시에, 내구성 또한 매우 우수하다.The ceramic hollow body powder used in the present invention has a hollow shape and a closed outer wall as a table tennis ball. This type of powder exhibits a very good heat insulation effect and at the same time a very good durability.

세라믹 중공체 분말은 그 조성성분이 SiO2가 45-70중량%, Al2O3가 25-35중량%, 기타 성분 15중량% 이내인 것으로, 제조방법은 이러한 성분의 세라믹 분말에 카본 등 발포제를 소량 첨가하고 1500℃ 이상의 고온에서 소결하여 얻을 수 있다. SiO2와 Al2O3는 반응성이 낮은 안정한 물질로서 페인트에 첨가되어 시공된 후에도 장기간 동안 안정성을 유지할 수 있는 물질이다.Ceramic hollow powder is composed of 45-70% by weight of SiO 2 , 25-35% by weight of Al 2 O 3 , and 15% by weight of other components. It can be obtained by adding a small amount and sintering at a high temperature of 1500 ° C or higher. SiO 2 and Al 2 O 3 are stable materials with low reactivity and are materials that can maintain stability for a long time even after being added to paint.

또한, 화력발전소에서 석탄을 연소시킨 후에 발생하는 석탄재 중에 포함된 중공체 미분말을 분리하여 얻을 수도 있다. 이러한 중공체 미분말을 세노스페어(cenosphere)로 칭한다. 세노스페어는 비중이 낮아서(0.5 이하) 석탄재를 바다를 막아서 만든 회사장(ash pond)에 빠뜨리게 되면 수중으로 부유하게 되며, 이를 분리하여 정제하게 되면 본 발명에서 목적하는 세라믹 중공체가 얻어 진다.In addition, the fine hollow powder contained in the coal ash generated after burning coal in the thermal power plant can also be obtained. This hollow fine powder is called cenosphere. Cenospare has a low specific gravity (less than 0.5) when the coal ash is dropped into the company (ash pond) made by blocking the sea is suspended in the water, when separated and purified to obtain a ceramic hollow body of the present invention.

제조원가의 절감을 위해서는 종공체를 고온 소결을 통하여 제조하는 것보다세노스페어를 분리 수거하여 사용하는 것이 바람직하다.In order to reduce the manufacturing cost, it is preferable to separate and use the senono spare rather than to manufacture the final body through high temperature sintering.

그런데, 세노스페어에는 Fe2O3성분이 4-10중량% 함유되어 있기 때문에 사용 전 이를 제거하는 것이 좋다. 그 제거 방법은 탈철기를 이용하거나 채가름 방법을 사용할 수 있다. 불순물로 Fe2O3분말이 함유된 입자는 입도가 커서 채가름으로 잘 분리된다. 또한 Fe2O3입자를 함유한 입자는 비중이 비교적 높아서 비중 차에 의하여 분리할 수도 있다.By the way, since the Ceno spare contains 4-10% by weight of Fe 2 O 3 component is good to remove it before use. The removal method may use a degassing machine or a method of thinning. Particles containing Fe 2 O 3 powder as an impurity have a large particle size and are easily separated by color. In addition, particles containing Fe 2 O 3 particles have a relatively high specific gravity and may be separated by specific gravity differences.

또한, 세노스페어에는 염분이 함유되어 있으므로 수세 등을 통하여 미리 염분을 제거하여 사용하여야 한다.In addition, since the salt contains a salt, it should be used after removing the salt through water washing.

적절한 사용량은 1-15중량%로 이 범위 미만의 경우에는 단열효과를 충분히 부여할 수 없으며, 이 범위를 초과하는 경우에는 페인트의 물성에 악영향을 미치게 된다.Appropriate amount of use is 1-15% by weight, and if it is below this range, it will not give sufficient insulation effect. If it exceeds this range, it will adversely affect the physical properties of the paint.

본 발명의 실시예는 아래와 같다.An embodiment of the present invention is as follows.

(제조실시예)(Production Example)

KS M 5310에 규정하고 있는 백색 합성수지 에멀젼 페인트(외부용)에 탈철 및 탈염처리되고, 입도 200 마이크론 이하로 조절된 세노스페어를 10중량%, 희석재로 물을 3중량% 첨가하고 충분히 혼합하여 단열 페인트를 제조하였다.The white synthetic resin emulsion paint (for external use) specified in KS M 5310 is de-ironed and desalted, 10% by weight of senospar adjusted to a particle size of 200 microns or less, and 3% by weight of water as a diluent. The paint was prepared.

세노스페어의 조성성분은 아래의 표1과 같았다.The composition of Ceno spare was as shown in Table 1 below.

성 분ingredient 함 량content SiO2Al2O3Fe2O3TiO2CaOMgOK2ONa2OCarbon(Loss-on-Ignition)SiO 2 Al 2 O 3 Fe 2 O 3 TiO 2 CaOMgOK 2 ONa 2 OCarbon (Loss-on-Ignition) 55 ∼ 61%26 ∼ 304 ∼ 10-0.2 ∼ 0.61 ∼ 20.5 ∼ 4.00.01 ∼255 to 61% 26 to 304 to 10-0.2 to 0.61 to 20.5 to 4.00.01 to 2

(실시예 1)(Example 1)

* 열차폐시험* Heat shield test

300×300×300mm, 두께 5mm의 크기로 제작한 스테인레스 박스에 무도장(NP), 일반 페인트도장(OP), 제조실시예에서 얻어진 단열페인트 도장(CP)을 행하여 3종의 시료를 얻었다. 도장방법은 스프레이 방법으로 재도장 간격을 3시간으로 하여 2회 도장(도장 두께 300마이크론)하고, 72시간 동안 건조하였다.Three kinds of samples were obtained by applying a non-painting (NP), a general paint coating (OP), and an insulating paint coating (CP) obtained in the production example to a stainless box manufactured to a size of 300 × 300 × 300 mm and a thickness of 5 mm. The coating method was sprayed twice with a recoating interval of 3 hours (300 microns in coating thickness) and dried for 72 hours.

도1과 같은 프로파일(profile)로 온도가 설정되어 있는 온도변화 시험기 내에 얻어진 3종의 시료를 설치하고, 온도변화에 따른 각각의 내외부 온도변화 폭에 따른 열차폐 성능을 비교하였다. 시험개시는 온도변화 시험기 내부의 온도를 20℃에서 30분간 유지하며, 모든 시료 및 내부온도가 상호 평형을 이루도록 조건을 설정한 후 온도를 변화시켜 시험하였다.Three types of samples obtained in a temperature change tester having a temperature set to a profile as shown in FIG. 1 were installed, and heat shielding performances of the internal and external temperature change widths according to temperature changes were compared. Initiation of the test was performed by maintaining the temperature inside the temperature change tester at 20 ° C. for 30 minutes, setting the conditions so that all samples and the internal temperature were in equilibrium with each other, and changing the temperature.

시험결과는 도2와 같았으며, 0-50℃의 폭으로 설정된 온도변화에 대한 3종의 시료의 내부 온도변화는 도장의 종류별로 각각 큰 차이를 나타내었다. 즉,무도장(NP) 시료의 경우 설정온도의 변화와 큰 차이 없었으며, 일반페인트 도장(OP) 시료의 경우는 약 2-3℃ 정도의 차이를 두고 지속적으로 온도폭을 유지하고 있는 데 반하여, 단열 페인트도장(CP) 시료의 경우는 설정온도변화 25-45℃ 사이에서 설정온도와 내부온도의 차이가 10℃ 이상까지 나는 열차폐효과를 나타내었다. 특히, 외부의 온도가 상승하는 구간에서 우수한 열차단효과를 나타내었다.The test results were shown in FIG. 2, and the internal temperature changes of the three samples with respect to the temperature change set at a width of 0-50 ° C. showed a large difference for each type of coating. In other words, in the case of non-painted (NP) samples, there was no significant difference with the change in the set temperature, and in the case of general paint coating (OP) samples, the temperature was continuously maintained with a difference of about 2-3 ° C. In the case of heat-insulated paint (CP) samples, the thermal shielding effect was shown to be within 10 ℃ above the difference between the set temperature and the internal temperature between 25-45 ℃. In particular, it showed a good thermal barrier effect in the section where the outside temperature rises.

(실시예 2)(Example 2)

* 내구성 시험* Durability Test

본 발명의 단열페인트의 시공 후 장기적인 기온변화에 대한 내구성을 확인하기 위하여 제조실시예의 의하여 제조된 페인트로 KS D 3512(냉각 압연 강판 및 강대)에서 규정하는 재질의 7×15×0.8mm 크기의 판에 스프레이 방법으로 재도장 간격을 3시간으로 하여 2회 도장(도장 두께 300마이크론)하고, 72시간 동안 건조하여 시편을 제작하였다.7 × 15 × 0.8mm size plate of the material specified in KS D 3512 (cold rolled steel sheet and steel strip) as a paint manufactured according to the manufacturing example to confirm the durability against long-term temperature change after construction of the insulating paint of the present invention. The coating method was sprayed twice at a recoating interval of 3 hours (300 microns in coating thickness), and dried for 72 hours to prepare a specimen.

온도변화에 대한 페인트의 물성변화를 시험한 결과 아래의 표2와 같았다.The test results of the physical properties of the paint against temperature changes are shown in Table 2 below.

온도변화 저항 성능 시험결과Temperature change resistance performance test result 평가항목종류Evaluation item type 주름wrinkle 갈라짐offshoot 부풀음Swelling 박리Peeling 색상변화Color change 광택변화Gloss change 기타유해한 변형Other harmful variations OP(일반페인트)OP (General Paint) 없슴None 없슴None 없슴None 없슴None 없슴None 없슴None 없슴None CP(세라믹혼합페인트)CP (ceramic mixed paint) 없슴None 없슴None 없슴None 없슴None 없슴None 없슴None 없슴None Remarks ; -5∼80℃ for 190 min. / 150 cycle,Humidity 85±5%Remarks; -5 to 80 ° C for 190 min. / 150 cycle, Humidity 85 ± 5%

일반페인트 및 본 발명의 단열페인트에 대하여 상기의 싸이클 조건으로 반복시험한 후, 2종의 페인트 도막에서는 주름, 갈라짐, 부품음, 박리, 색상변화, 광택변화 및 기타 유해한 변형이 전혀 발생되지 아니하였다. 이를 통하여 본 발명의 단열페인트는 시공 후 외기 변화에 대하여 충분한 안정성을 가짐이 확인되었다.After repeated tests of the general paint and the insulating paint of the present invention under the above cycle conditions, there were no wrinkles, cracks, component noises, peelings, color changes, gloss changes, and other harmful deformations in the two kinds of paint coatings. . Through this, the insulating paint of the present invention was confirmed to have a sufficient stability against changes in outdoor air after construction.

(실시예 3)(Example 3)

* 표면온도 측정* Surface temperature measurement

시멘트판에 무도장을 한 것과, 백색페인트 및 제조실시예에 의하여 얻어진 본 발명의 단열페인트를 300마이크론 두께로 도장한 3개의 시편을 직사광선에 그대로 노출시키고 기온 32.6℃에서 그 표면온도를 측정한 결과는 아래의 표3과 같았다.The result of measuring the surface temperature at 32.6 ° C. by exposing the three specimens coated with a cement plate and coated with a 300 micron thickness of the white paint and the insulating paint of the present invention obtained by the manufacturing example as it is. It is shown in Table 3 below.

표면온도 측정(2001. 6. 7 기온 32.6℃)Surface temperature measurement (June 7, 2001, temperature 32.6 ℃) 시멘트판 + 무도장Cement Board + Unpainted 57.5℃57.5 ℃ 시멘트판 + 백색페인트도장Cement Board + White Paint 44.3℃44.3 ℃ 시멘트판 + 단열용페인트도장Cement board + Insulation paint coating 33.7℃33.7 ℃

(실시예 4)(Example 4)

* 건물 내외부의 온도비교* Temperature comparison inside and outside the building

아파트 외벽에 백색페인트 및 제조실시예에 의하여 얻어진 단열 페인트를 각각 300마이크론의 두께로 도장하고 직사광선이 닿는 외벽과 직사광선이 닿는 벽의 내벽온도를 측정한 결과는 아래의 표4와 같았다.White paint on the exterior wall of the apartment and the thermal insulation paint obtained by the manufacturing example were respectively coated with a thickness of 300 microns, and the results of measuring the inner wall temperature of the outer wall in direct sunlight and the wall in direct sunlight are shown in Table 4 below.

건물 내외부 온도비료Temperature fertilizer inside and outside the building 조건 : 청염, 32.7℃Condition: blue salt, 32.7 ℃ 백색페인트 도장 아파트White Painted Apartments 단열페인트 도장 아파트Insulation Painted Apartment 직사광선이 닿는 외벽온도Outside wall temperature in direct sunlight 45.6℃45.6 ℃ 33.3℃33.3 ℃ 직사광선이 닿는 벽의 내벽온도(실내 22.2℃ 에어컨 가동)Inner wall temperature of direct sunlight (indoor 22.2 ℃) 28.3℃28.3 ℃ 24.4℃24.4 ℃

이상의 실시예를 통하여 확인되는 바와 같이, 본 발명의 단열페인트는 매우 우수한 열차폐성능을 가짐과 동시에, 일반 페인트와 차이가 없는 내구성을 가진다. 또한 폐자원인 세노스페어를 사용할 경우에는 폐자원을 효과적으로 재활용함과 아울러 제조원가가 대폭 절감되는 효과를 발휘할 수 있다.As can be seen from the above embodiment, the heat-insulating paint of the present invention has a very good heat shielding performance, and at the same time has a durability that is not different from ordinary paint. In addition, the use of the waste resource, senofare can effectively recycle the waste resources and significantly reduce the manufacturing cost.

Claims (3)

SiO2와 Al2O3를 주성분으로 하고, 폐쇄기공을 가지며, 입경 200마이크론 이하인 세라믹 중공체 분말이 통상의 페인트에 1 내지 15중량% 첨가된 것을 특징으로 하는 단열 페인트.A heat-insulating paint comprising SiO 2 and Al 2 O 3 as main components, having a closed pore, and containing 1 to 15% by weight of a ceramic hollow powder having a particle size of 200 microns or less in a conventional paint. 제1항에 있어서, 세라믹 중공체 분말은 세노스페어인 것을 특징으로 하는 단열 페인트.The heat insulating paint according to claim 1, wherein the ceramic hollow powder is senofare. 제2항에 있어서, 세노스페어는 탈철 및 탈염 처리된 것을 특징으로 하는 단열 페인트.3. The heat insulating paint according to claim 2, wherein the senofare is de-ironed and desalted.
KR10-2002-0054595A 2002-09-10 2002-09-10 An Adiabatic Paint KR100500601B1 (en)

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CN103865344A (en) * 2014-03-31 2014-06-18 湖州绿色建材开发有限公司 Reflective heat-insulating coating
CN103865344B (en) * 2014-03-31 2015-10-07 湖州绿色建材开发有限公司 Reflective heat-insulation paint
CN103865297B (en) * 2014-03-31 2015-12-02 湖州绿色建材开发有限公司 The preparation method of modification drift pearl and drift pearl

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