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    Metallizing plastics surfaces
    3.
    发明专利
    Metallizing plastics surfaces 未知

    公开(公告)号：GB1149033A

    公开(公告)日：1969-04-16

    申请号：GB3186666

    申请日：1966-07-15

    Applicant: BASF AG

    Inventor： DIEBOLD ADOLF ,  MARQUARDT SIEGFRIED ,  DOERR LUDWIG ,  RAICHLE LUDWIG

    IPC: C08J7/04 ,  C09D175/04 ,  C23C18/20 ,  C25D5/56 ,  G11B5/702 ,  G11B5/72 ,  G11B5/73 ,  H01G13/06 ,  H05K3/18

    Abstract: 1,149,033. Coating with metals. BADISCHE ANILIN - & SODA-FABRIK A. G. No. 31866/66. Headings C7B and C7F. In an electroless process for coating a plastics sheet with copper or silver in which the plastics surface is first coated with iron powder in a binder, the binder contains at least 20% by weight of a polyisocyanate. The binder may also include vinyl copolymers, polyvinyl chloride, acetal, formal or butyral or soluble polyamide. The coating may be applied through a stencil, and the powdered iron coating may be annealed at a temperature up to 60 ‹C. prior to deposition. A bath for depositing copper may comprise (g./l.) 150 copper sulphate, 40 triethanolamine, and 27 sulphuric acid. A silver layer may be deposited on the copper using a bath comprising 1À5 silver nitrate, 3 E.D.T.A., 3 sodium thiosulphate, and 2 tartaric acid. The copper surface may be electro-plated with a further layer of copper, using the same bath as for the electroless-plating, and then with Cr, Ni, Co or Rh, and the copper or silver surfaces may be electro-plated with Fe, Ni or Co or mixtures thereof.

    Metallising surfaces of plastics articles
    4.
    发明专利
    Metallising surfaces of plastics articles 未知

    公开(公告)号：GB1073006A

    公开(公告)日：1967-06-21

    申请号：GB3757164

    申请日：1964-09-15

    Applicant: BASF AG

    Inventor： DIEBOLD ADOLF ,  DOERR LUDWIG

    IPC: C23C18/20 ,  C23C18/38 ,  C23C18/52 ,  H01B1/00 ,  H01F41/24 ,  H01G13/06 ,  H05K3/10 ,  H05K3/18 ,  H05K3/24

    Abstract: A plastics, e.g. polyester, tape is coated with copper by first coating with a dispersion of iron particles in e.g. polyvinyl chloride, and then passing through a bath of e.g. (parts by weight) 30 copper sulphate, 6 sulphuric acid, 6 tartaric acid, and 6 trimethylaminoacetic acid. A further coating of silver may be applied by passing through a bath of a mercury salt and then an ammoniacal bath of potassium silver cyanide. An electroless nickel coating may be applied to the copper. The iron layer may be applied, whilst subjected to a magnetic field, and to form a pattern e.g. by a stencil. A copper coated plastics tape may be electroplated with Cd, Sn, Au, Ag or Co - Ni e.g. by passing the tape as a cathode through an aqueous solution (pH 5 to 6) of E.D.T.A., cadmium acetate, and HCl or tin chloride and E.D.T.A. or nickel sulphanate, cobalt chloride, and trimethylaminoacetic acid.

    6.
    发明专利
    未知

    公开(公告)号：DE1521152A1

    公开(公告)日：1969-04-24

    申请号：DE1521152

    申请日：1965-07-16

    Applicant: BASF AG

    Inventor： DIEBOLD DR ADOLF ,  MARQUARDT SIEGFRIED ,  DOERR LUDWIG ,  LUDWIG RAICHLE DIPL ING

    IPC: C08J7/04 ,  C09D175/04 ,  C23C18/20 ,  C25D5/56 ,  G11B5/702 ,  G11B5/72 ,  G11B5/73 ,  H01G13/06 ,  H05K3/18

    Abstract: 1,149,033. Coating with metals. BADISCHE ANILIN - & SODA-FABRIK A. G. No. 31866/66. Headings C7B and C7F. In an electroless process for coating a plastics sheet with copper or silver in which the plastics surface is first coated with iron powder in a binder, the binder contains at least 20% by weight of a polyisocyanate. The binder may also include vinyl copolymers, polyvinyl chloride, acetal, formal or butyral or soluble polyamide. The coating may be applied through a stencil, and the powdered iron coating may be annealed at a temperature up to 60 ‹C. prior to deposition. A bath for depositing copper may comprise (g./l.) 150 copper sulphate, 40 triethanolamine, and 27 sulphuric acid. A silver layer may be deposited on the copper using a bath comprising 1À5 silver nitrate, 3 E.D.T.A., 3 sodium thiosulphate, and 2 tartaric acid. The copper surface may be electro-plated with a further layer of copper, using the same bath as for the electroless-plating, and then with Cr, Ni, Co or Rh, and the copper or silver surfaces may be electro-plated with Fe, Ni or Co or mixtures thereof.

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