Organic resin coated steel plate
A technology of organic resin and steel plate, applied in the direction of plating of superimposed layers, synthetic resin layered products, coating, etc., to achieve the effects of ensuring damage resistance, improving press workability, and improving degreasing properties
Active Publication Date: 2021-07-23
NIPPON STEEL CORP
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Problems solved by technology
Therefore, such an organic resin-coated plated steel sheet is required to be excellent in damage resistance so that it does not lose its beauty during processing.
Method used
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Embodiment
[0108]
[0109] The amorphous polyester resin made by Tangyang Spun Company is "BYRON (registered trademark) 500 (Tg: 4 ° C)", "Byron (registered trademark) 270 (TG50 ° C)", "Byron (registered trademark) UR- 6100 (Tg-30 ° C) "is dissolved in an organic solvent (used in a solvent obtained by mixing with a mass ratio of chainhexanone: Solvesso 150 (trade name) = 1: 1. Among them, the glass transition temperature TGP of the polyester resin is adjusted by adjusting the mixing ratio of these polyester resins. Next, the melamine resin "Cymel (trademark) 303", which is Mitsui Cytec Co., Ltd., is added as a curing agent to the above solution. The addition of the melamine resin is adjusted in such a manner as the ratio shown in Tables 1 to 6 in Tables 1 to T T3-1 in accordance with the mass component of the solid component of the resin: The melamine resin solid state component is adjusted. Further, in the mixed solution of the polyester resin with the melamine resin, 0.5% by mass of Mitsu...
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Abstract
The present invention provides a novel and improved organic resin-coated plated steel sheet that ensures the properties required for an organic resin-coated plated steel sheet and that has improved degreasing properties. In order to solve the above-mentioned problems, according to an aspect of the present invention, there is provided an organic resin-coated plated steel sheet, which is characterized in that it has a plated steel sheet, an organic resin film coating the plated steel sheet, and an organic resin film dispersed in the organic resin film. Microbeads are organic resin-coated plated steel sheets. The organic resin film contains polyester resin and melamine resin with a glass transition temperature of 0-20°C. The microbeads are urethane with a glass transition temperature of -60°C-50°C. Resin microbeads are contained in the organic resin film at a ratio of 1 to 15% by mass relative to the total mass of the organic resin film, and are contained at a rate of 5 to 1000 / mm 2 The areal density of is dispersed in the organic resin film, satisfying the relationship of mathematical formulas (1) to (3).
Description
Technical field [0001] The present invention relates to an organic resin coated steel plate. Background technique [0002] For home appliances, building materials, automotive, etc., instead of the previously coated article after molding, the surface layer of the zinc plated steel sheet is gradually used, the organic resin coated with an organic resin film (also Pre-coated steel plate). Most of the organic resin coated plating steel sheets After pressing, there is no further painting, etc., as a material, building materials, cars, etc. Therefore, such an organic resin is covered with a plated steel sheet to require excellent damage to damage, so that it does not lose beauty during processing. [0003] For example, Patent Document 1 discloses an organic resin coated steel plate, wherein the film injury is caused by compressing the organic film including a bead, and the particle size and glass transition temperature of the specific microbead, thereby causing the film damage due to p...
Claims
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IPC IPC(8): C23C28/00B32B15/09B32B15/18B32B27/16B32B27/20B32B27/36C23C22/05C23C26/00
CPCB32B7/02B32B15/09B32B15/18B32B27/16B32B27/20B32B27/36C23C2222/20C23C2222/10C09D5/08C09D7/65C09D7/69C08L75/04C25D7/0614B05D7/14B05D7/51C09D167/00C09D179/04C09D7/70B05D2508/00B05D2503/00B05D2202/20C23C22/05C23C28/32C25D3/22
Inventor 柴尾史生永富雅义
Owner NIPPON STEEL CORP