Abstract:
원적외선 방사능이 우수한 PCM 도료 및 이 도료가 코팅된 강판이 제공된다. 본 발명은, 폴리에스터 수지와, 상기 수지 100중량부에, 실리카:10~22중량부와 α-알루미나:15~70중량부중 선택된 1종이상의 소광제 분말을 10~70중량부 포함하여 조성되고, 상기 소광제 분말은 그 평균입경이 0.5~10㎛인 것을 특징으로 하는 원적외선 방사능이 우수한 PCM용 수지도료와, 이러한 수지도료가 코팅되어 있는 도장강판에 관한 것이다.
Abstract:
항균성 및 원적외선 방사능이 우수한 PCM 도료 및 이 도료가 코팅된 도장강판이 제공된다. 본 발명은, 폴리에스터 수지와, 상기 수지 100중량부에 대하여, MgO: 10중량부 이하, ZnO: 10~30중량부 및 CaCO 3 :10~30중량부로 이루어진 항균성 원적외선 방사분말중 2종이상을 20~50 중량부, 그리고 SiO 2 : 10~20중량부와 α-Al 2 O 3 :10~40중량부로 이루어진 소광제 분말중 1종이상을 12~55 중량부를 포함하여 이루어지는 항균력과 원적외선 방사율이 우수한 PCM용 수지도료, 및 이러한 수지도료가 코팅되어 있는 도장강판에 관한 것이다.
Abstract:
실란화합물로 처리하여 공기중에서 안정하고 내화학성이 우수한 산화마그네슘 분말을 제조하는 방법이 제공되며, 이는 물 또는 알코올계 용매에 산화마그네슘 분말을 첨가하고 교반하는 단계; 실란 화합물을 산화마그네슘 100중량부를 기준으로 0.1~10중량부 첨가하고 산화마그네슘 분말 표면에 실란화합물이 코팅되도록 6~24시간동안 교반하는 단계; 및 실란화합물이 코팅된 마그네슘 분말을 취하고, 세척 및 건조하는 단계를 포함하여 이루어진다. 제조된 실란화합물이 코팅된 산화마그네슘 분말은 우수한 내화학성을 갖는 것으로 페인트 도료 및 성형물에 적용가능한 것이다.
Abstract:
광택도 및 원적외선 방사능이 우수한 도장 강판에 관한 것으로, 전처리된 강판 혹은 전처리 및 하도 처리된 강판상에 형성된 원적외선 방사코팅층, 및 원적외선 방사 코팅층상에 형성된 클리어 코팅층을 갖는 도장강판이 제공된다. 본 발명의 도장강판은 고광택 및 원적외선 방사능을 갖는 것으로 원적외선 방사능에 의한 생체효과 및 고광택이 요구되는 가전재등에 적용가능한 것이다.
Abstract:
PURPOSE: A paint composition containing MgO powder and a silane compound and a coated steel sheet coated with the composition are provided, to improve an antibacterial property and a far infrared ray emitting property even with a small amount of a MgO powder by enhancing the dispersion of MgO powder. CONSTITUTION: The paint composition comprises 100 parts by weight of a thermosetting resin; 5-60 parts by weight of MgO powder; and 0.2-5 parts by weight of a silane compound. Preferably the thermosetting resin is selected from the group consisting of a polyester resin, a silicon-modified polyester resin and an acryl-based resin; and the silane compound is selected from the group consisting of 3-aminopropyltriethoxysilane, 3-trimethoxysilylpropyl methacrylate and 3-aminopropyltrimethoxysilane.
Abstract:
PURPOSE: A PCM (precoated metal) paint and a steel sheet coated with the paint are provided, to improve antibacterial effect, far infrared ray radiating property and chemical resistance. CONSTITUTION: The PCM paint comprises 100 parts by weight of a polyester resin; 25-50 parts by weight of at least two kinds of antibacterial and far infrared ray radiating powders selected from the group consisting of 0-10 parts by weight of MgO, 10-30 parts by weight of ZnO and 10-30 parts by weight of CaCO3; 12-55 parts by weight of at least one kind of quencher powder selected from 10-20 parts by weight of SiO2 and 10-40 parts by weight of α-Al2O3; and optionally 10-100 parts by weight of a coloring pigment. Preferably MgO and ZnO are surface-coated with Mg(OH)2 and Zn(OH)2, respectively; and the quencher powder has an average diameter of 0.5-10 micrometers.
Abstract:
PURPOSE: A PCM (precoated metal) paint and a steel sheet coated with the paint are provided, to improve a far infrared ray-radiating property and to reduce the gloss of a coated steel sheet. CONSTITUTION: The PCM paint comprises 100 parts by weight of a polyester resin; and at least one kind of quencher powder selected from 10-22 parts by weight of silica and 15-70 parts by weight of α-alumina. The quencher powder has an average diameter of 0.5-10 micrometers. The 60 degree gloss of a coated steel sheet is controlled to be 4-25 and the emissivity of far infrared ray is 0.930 or more.
Abstract:
PURPOSE: A far infrared ray radiating paint for PCM (precoated metal) and a steel sheet coated with the paint are provided, to improve antibacterial effect, far infrared ray radiating property and chemical resistance. CONSTITUTION: The far infrared ray radiating paint comprises 100 parts by weight of a polyester resin; 22-90 parts by weight of at least two kinds of far infrared ray radiating powders selected from the group consisting of 0-10 parts by weight of MgO, 10-60 parts by weight of ZnO and 0-40 parts by weight of CaCO3; and optionally an oxide-based inorganic ceramic coloring pigment. Preferably MgO and ZnO are surface-coated with Mg(OH)2 and Zn(OH)2, respectively.
Abstract:
PURPOSE: Provided is a method for preparing a molded charcoal having high strength without heating a binder or a coal. CONSTITUTION: The method comprises steps of (a) mixing 100 parts by weigh of a dust coal with 3-15 parts by weight of dusts containing 20-60 % of CaO; (b) mixing the mixture of the step (a) with 5-15 parts by weight of a molasses; and (c) molding the second mixture of the step (b) into molded charcoal.
Abstract:
PURPOSE: Provided is a molded charcoal which shows good low temperature stability and initial strength without a drying process or a heating process. CONSTITUTION: The molded charcoal consists of 100 parts by weight of a dust coal and 1-5 parts by weight of a limestone and 7-15 parts by weight of a mixture solution of lysine condensed molasses solubles and molasses, where the content of the lysine condensed molasses solubles in the mixture solution of lysine condensed molasses solubles and molasses is not more than 80%.