ALKALINE CLEANING COMPOSITION FOR METAL
    6.
    发明专利

    公开(公告)号:JP2003221598A

    公开(公告)日:2003-08-08

    申请号:JP2002135632

    申请日:2002-05-10

    Applicant: KAO CORP

    Abstract: PROBLEM TO BE SOLVED: To provide an alkaline cleaning composition for metal that shows both of high detergency and excellent rust prevention of a metal plate, e.g. a copper plate or the like. SOLUTION: The alkaline cleaning composition comprises an alkali agent, a rust-preventive agent and 0.01-0.5 wt.% of a chelate compound wherein the concentration of the alkali agent (a) in wt.% and the concentration of the rust- preventive (b) in wt.% satisfy the following formula (1):-0.95≤0.333a-25b-0.2≤0.09. COPYRIGHT: (C)2003,JPO

    FERROUS SLIDING PARTS
    10.
    发明专利

    公开(公告)号:JPH0570978A

    公开(公告)日:1993-03-23

    申请号:JP23285191

    申请日:1991-09-12

    Applicant: TOSHIBA CORP

    Abstract: PURPOSE:To provide the ferrous sliding parts stuck with rust preventive films which are free from stains and have excellent rust preventive power while the films are uniform and thin even if the thickness of the rust preventive films is not controlled by solvent washing. CONSTITUTION:The above-mentioned ferrous sliding parts are subjected to the primary washing by an aq. soln. contg. an inorg. alkali and the secondary washing by an aq. soln. contg. an org. alkali. 0.1 to 0.8wt.% aliphat. amine, 0.2 to 1.2wt.% boron amine and 0.2 to 1.2wt.% glycol ether are incorporated into the above-mentioned aq. soln. contg. the org. alkali to stick the respective components of the aq. soln. contg. the org. alkali to the surfaces.

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