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公开(公告)号:US4256601A
公开(公告)日:1981-03-17
申请号:US971831
申请日:1978-12-19
申请人: Tamotsu Sobata , Nobuo Nakatani
发明人: Tamotsu Sobata , Nobuo Nakatani
CPC分类号: C11D3/0026 , C11D1/72 , C11D1/722 , C23G1/24
摘要: A degreasing composition for treating a metal surface in the form of an aqueous solution comprising as an essential ingredient a polynuclear phenol alkoxylate nonionic surfactant of the formula: ##STR1## wherein X is hydrogen atom or hydroxy group; R.sub.1 and R.sub.2 are, the same or different, each hydrogen atom or methyl group; AO is an alkylene oxide group; and n is 3 to 20, and, optionally, a defoaming agent.
摘要翻译: 一种用于处理水溶液形式的金属表面的脱脂组合物,其包含下式的多核苯酚烷氧基化物非离子表面活性剂作为必要成分:其中X是氢原子或羟基; R 1和R 2各自相同或不同,各个氢原子或甲基; AO是环氧烷基; n为3〜20,可选地为消泡剂。
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公开(公告)号:US4443273A
公开(公告)日:1984-04-17
申请号:US332700
申请日:1981-12-21
申请人: Koichi Saito , Yasutake Mino , Nobuo Nakatani , Ryoichi Murakami
发明人: Koichi Saito , Yasutake Mino , Nobuo Nakatani , Ryoichi Murakami
摘要: A method for replenishing a nitrite accelerated zinc phosphate treating liquid for forming zinc phosphate coatings on metal surfaces, wherein the metal surface is treated at the rate of 3 to 15 m.sup.2 per hour per cubic meter of treating liquid and the treating liquid is replenished with free phosphoric acid at the rate of 0.10 to 0.31 moles per 10 m.sup.2 of treated surface area.
摘要翻译: 一种补充金属表面上形成磷酸锌涂层的亚硝酸盐加速磷酸锌处理液的方法,其中金属表面以每立方米3立方米处理液3至15m 2 / h的速率处理,并且处理液补充 磷酸,每10平方米处理的表面积为0.10至0.31摩尔。
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