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1. 发明授权

US3788958A Aqueous electrolytic stripping bath 失效
标题翻译：水性电解脱水浴
公开(公告)号：US3788958A
公开(公告)日：1974-01-29
申请号：US3788958D
申请日：1972-06-01
申请人： DILLENBERG H
发明人： DILLENBERG H
IPC分类号： C25F5/00 , B01K1/00 , C22B1/20
CPC分类号： C25F5/00
摘要： MON NITROTOLUENE AND/OR NITROBENZOIC ACID.
AN AQUEOUS BATH FOR THE ELECTROLYTIC STRIPPING OF COATINGS OF SILVER, GOLD, CHROMIUM OR NICKEL OXIDE FROM SUPPORT BODIES MADE OF COPPER, COPPER ALLOY, TIN ALLOY, STAINLESS STEEL OR HIGH TEMPERATURE ALLOYS, THE BATH COMPRISING AS A MAIN COMPONENT OCVER 80% SULFURIC AND/OR SULFONIC ACID AND AS AN ADDITIONAL COMPONENT, AN ALCOHOL SUCH AS METHANOL OR ETHANOL WHICH DOES NOT ENTER INTO AN OLEFIN BINDING WITH SULFURIC OR SULFONIC ACID. PREFERABLY THE BATH CONTAINS FROM ABOUT 800 UP TO ABOUT 940 CC. SULFURIC AND/ OR SULFONIC ACID AND ABOUT 200 DOWN TO ABOUT 60 CC. ALCOHOL PER LITER OF BATH AND MAY CONTAIN AS A FURTHER ADDITIONAL COMPONENT, AN AROMATIC HYDROCARBON COMPOUND WITH AT LEAST ONE NITRO GROUP (-N02) BOUND DIRECTLY TO THE BENZZENE NUCLEUS SUCH AS MONONITROBENZENE, TRINITROBENZENE, -

2. 发明授权

US3772168A Electrolytic plating of tin-nickel, tin-cobalt or tin-nickel-cobalt on a metal base and acid bath for said plating 失效
标题翻译：金镍基电解镀锌，金属镍或锡镍钴，用于镀层金属基底和酸浴
公开(公告)号：US3772168A
公开(公告)日：1973-11-13
申请号：US3772168D
申请日：1972-08-10
申请人： DILLENBERG H
发明人： DILLENBERG H
IPC分类号： C25D3/60 , C23B5/32 , C23B5/38
CPC分类号： C25D3/60
摘要： A method for electrolytic plating of tin-nickel, tin-cobalt or tin-nickel-cobalt on a metal base and acid bath for said plating in which a bivalent salt of tin and nickel or tin and cobalt or tin, nickel and cobalt is dissolved in an aqueous acid bath containing an alkali metal or ammonium fluoride or fluoborate which is reacted with at least about 2 volume percent of an amine to form the fluoride or fluoborate amine salt dissolved in said bath. Preferred amines which form salts are petrylene diamine, diethylene triamine, triethylene tetramine, mono, di or tri ethanolamine and pyridine. Heavy, lustrous ductile coatings are deposited from the bath at pH 3.8 - 5.5 under current intensity of 0.1 - 5 amps/dm2 and at a temperature of 40* - 90*C.
摘要翻译：在金属基体上的锡镍，锡钴或锡镍钴的电解电镀方法，其中锡和镍或锡，钴或锡，镍和钴的二价盐溶解在所述电镀中在含有碱金属或氟化铵或氟硼酸盐的含水酸浴中，其与至少约2体积％的胺反应以形成溶解在所述浴中的氟化物或氟硼酸盐盐。形成盐的优选胺是碳二胺，二亚乙基三胺，三亚乙基四胺，一元，二或三乙醇胺和吡啶。在电流强度为0.1-5安培/ dm 2，温度为40-90℃的条件下，从pH 3.8〜5.5的浴中沉积重光泽的延性涂层。

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