Glass-ceramic and glass plates and heating plates and its manufacture
A ceramic plate, glass plate technology, applied in the direction of heating arrangement of electric hot plate, induction heating, induction heating device, etc.
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Embodiment 1
[0137] A white paint composition (denoted A in the table below) was manufactured by the following method:
[0138] Mix 10 grams of Dow Corning 249 silicone polymer particles dissolved in 10 grams of Dow Corning 840 silicone resin (60% polymer toluene solution). The dissolution process was accomplished by stirring at 80°C.
[0139] After cooling, 7.46 grams of interference pigment Iriodin with layered structure 123 (Merck) and 3.73 g TiO 2 RL628 (Ferro Couleurs France S.A.) was added to the solution and mixed until homogeneous.
[0140] The composition was applied in layers with a doctor blade ("knife coat") on a glass slide (Corning 1737-75 x 25 x 1.1 mm) and then polymerized at 250°C for 1 hour to give a dry film thickness of about 25 microns.
[0141] Embodiment 1' (comparative example)
[0142] A commercially available white paint alkyd-modified siloxane composition (designated C in the table below) was also applied to a glass sheet (Corning 1737-75 x 25 x 1.1 m...
Embodiment 2
[0149] White paint compositions were produced by the following method:
[0150] Mix 40 grams of Dow Corning 249 siloxane polymer particles were dissolved in 18 grams of Exxon Solvesso from Exxon Mobil Chemical 100 in solvent. Dissolution was carried out at 80°C, stirring during dissolution.
[0151] After cooling, 29.1 grams of 325 mesh muscovite mica (CMMP: Comptoir des Minéraux et Matières Premières) and 14.6 grams of RL628 TiO 2 (Ferro Couleurs France S.A.) was added to the solution and mixed until homogeneous. The composition was applied by screen printing (screen: 90 strands / cm) on a transparent glass-ceramic substrate (Eurokera) and then polymerized at 250° C. for 1 hour to obtain a dry film thickness of about 15 microns.
[0152] After thermal aging tests in a static oven under the conditions shown in Table 2 below, the CS3 spectrophotometer from Applied Chroma Systems (D65 light source / observed at an angle of 10°) was measured by reflection onto a glass surface...
Embodiment 3
[0160] Metallized red paint compositions were produced by the following method:
[0161] Mix 48 grams of Dow Corning 249 siloxane polymer particles were dissolved in 23.5 grams of Exxon Solvesso from Exxon Mobil Chemical 100 in solvent. The dissolution was carried out at 80°C with stirring.
[0162] After cooling, 36.9 g of Iriodin 524 (Merck) interference pigment was added to the solution and stirred until homogeneous.
[0163] The composition was applied by screen printing (screen: 43 strands / cm) on a transparent glass-ceramic substrate (Eurokera) and then polymerized at 250° C. for 1 hour to obtain a dry film thickness of about 35 μm.
[0164] After thermal aging tests in a static oven under the conditions shown in Table 3 below, the CS3 spectrophotometer from Applied Chroma Systems (D65 light source / observed at an angle of 10°) was measured by reflection onto a glass surface with the sample coating. Color points x, y measured from reflected light on a glass-cera...
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