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Aqueous binder formulation for metal and ceramic feedstock for injection molding and aqueous coating composition
Aqueous binder formulation for metal and ceramic feedstock for injection molding and aqueous coating composition
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机译:用于注射成型的金属和陶瓷原料的水性粘合剂配方和水性涂料组合物
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摘要
Low cost water based binder system was developed for shaping ferrous, nonferrous metals and/or ceramics parts by injection molding processes. The process comprises the steps of preparing a mixture containing a gel-forming powder comprising carrageenan, metal and/or ceramic powders, de-ionized water and a gel-strengthening additive. The mixture is injection molded to produce self-supporting articles. The present invention provides a direct compounding and molding of metal and/or ceramic feedstock. Additionally, a coating composition comprising gelatine, water and a metal and/or ceramic powder is used to form coating layers on selected materials.
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