1
solvent to the motor vehicle surface to pre- pare the motor vehicle surface for applica- tion of paint: and applying paint to the motor vehicle surface as part of a system- atic painting of a plurality of motor vehi- cles. Metallization of Nonconducting Porous Substrates U.S. Patent 5,595,787. Jan. 21, i997 H. Kistrup and 0. Imhof, assignor to Deufsche Automobil GmbH. Germany A process for chemical metalliiation of electrically nonconducting porous needle felt substrates having a porosity of from 40 to 97%, comprising the steps of activating fiber surfaces of the substrates with a noble metal containing solution, placmg the activated substrates in at least four layers, one above the other, in a metallizing tank whereby the lower layers are immediately brought into contact with a chemical metallizing solution and the remaining layers are initially not filled with the chemical metallizing solution and chemically metallizing the activated sub- strates by adding an initial volume of the chemical metallizing solution, which is from 10 to 30% less than the free pore volume of the substrates and thereafter Increasing the initial volume by evolution of gas to till the remaining layers. Coated Abrasive Belt U.S. Patent 5,595,8M Jan. 21, 1997 G.E. Kotiel, assignor to 3M Co., St, Paul, Minn. A method of splicing an abrasive article. Corrosion Protection for Turbines U.S. Patent 5,595,831. Jan. 21, 1997 E.K Clark, Tujunga> Calif. Formation of a Conductor Using Electroless Plating U.S. Patent 5.595,943. Jan. 21, 1997 T ltabashi et a/., assignors to Machr LM.,Tokyo A method of protecting from environ- A method for forming a conductor cir- mental corrosion fluid directing surfaces of cuit by depositing and filling a conductor steam or gas turbine components compris- metal in recesses of an insulator in the form ing chromium steel having a 5 to 12% by of grooves or holes using an electroless weight chromium content, including de- plating solution, the conductor metal being positing onto the component surfaces to be deposited and filled in the recesses at the protected a nickel-zinc coating layer in a same level as the surface of the insulator, weight ratio of 65 to 80% nickel and 20 to wherein the electroless plating solution 35% zinc, and in advance thereof plating contains an inhibitor that inhibits the ca- the component surfaces with nickel having thodic partial reaction. which is a metal low diffusivity to zinc to limit the penetra- deposition reaction, and the electroless 1Ideal 3.3fi cleaning (ICCCSS height All polypm howing with SS 316 jittings FOR METALS RECOVERY choose lONAP ION EXCHANGE RESINS Sybron Chemicals Inc. manufactures a wide selection of selec- tive and standard ion exchange resins for the metal treating industry. A sampling of these products are listed below. Selective SR-3 Au, Ag, Pt Recovery SR-4 Hg Removal, and Ag Recovery SR-5 Cu>Pb>Ni Selective Removal SR-9 Chelated Cu Recovery and Removal SR-9 Complexed metal removal SR-10 Pb Removal from Potable Water SR-12 Fe, Zn, Co Recovery from acidic solutions Standard NM60 Mixed Bed for DI water production C-287 Cu, Pb, Ni Recovery from DI Rinses For complete information on these and other ion exchange resins contact us at: SYBRON CHEMICALS INC. Purification Through innovation Birmingham Road, Birmingham, NJ 08011 800-878-0020 (Toll-Free) 809-893-I 100 (Telephone) 809-894-8841 (Telefax) Circle 040 on reader information card METAL FINISHING ?? NOVEMBER 1997 Circle D99 on reader intormation card tion of zinc into the component surface from the coating lapel. Electrocoated Photoresist U.S. Parent 5,59.5,859. Jan. 21. 1997 K.G. Olson et al.. assignors !o PPG fnduslnes Inc., Pi&burgh A process for preparing an article having deposited thereon a photoimagcable. elec- trodepositable photoresist composition.

Metallization of nonconducting porous substrates

Embed Size (px)

Citation preview

solvent to the motor vehicle surface to pre- pare the motor vehicle surface for applica- tion of paint: and applying paint to the motor vehicle surface as part of a system- atic painting of a plurality of motor vehi- cles.

Metallization of Nonconducting Porous Substrates U.S. Patent 5,595,787. Jan. 21, i997 H. Kistrup and 0. Imhof, assignor to Deufsche Automobil GmbH. Germany

A process for chemical metalliiation of electrically nonconducting porous needle felt substrates having a porosity of from 40 to 97%, comprising the steps of activating fiber surfaces of the substrates with a noble metal containing solution, placmg the activated substrates in at least four layers, one above the other, in a metallizing tank whereby the lower layers are immediately brought into contact with a chemical metallizing solution and the remaining layers are initially not filled with the chemical metallizing solution and chemically metallizing the activated sub- strates by adding an initial volume of the chemical metallizing solution, which is from

10 to 30% less than the free pore volume of the substrates and thereafter Increasing the initial volume by evolution of gas to till the remaining layers.

Coated Abrasive Belt U.S. Patent 5,595,8M Jan. 21, 1997 G.E. Kotiel, assignor to 3M Co., St, Paul, Minn.

A method of splicing an abrasive article.

Corrosion Protection for Turbines U.S. Patent 5,595,831. Jan. 21, 1997 E.K Clark, Tujunga> Calif.

Formation of a Conductor Using Electroless Plating U.S. Patent 5.595,943. Jan. 21, 1997 T ltabashi et a/., assignors to Machr LM., Tokyo

A method of protecting from environ- A method for forming a conductor cir- mental corrosion fluid directing surfaces of cuit by depositing and filling a conductor steam or gas turbine components compris- metal in recesses of an insulator in the form ing chromium steel having a 5 to 12% by of grooves or holes using an electroless weight chromium content, including de- plating solution, the conductor metal being positing onto the component surfaces to be deposited and filled in the recesses at the protected a nickel-zinc coating layer in a same level as the surface of the insulator, weight ratio of 65 to 80% nickel and 20 to wherein the electroless plating solution 35% zinc, and in advance thereof plating contains an inhibitor that inhibits the ca- the component surfaces with nickel having thodic partial reaction. which is a metal low diffusivity to zinc to limit the penetra- deposition reaction, and the electroless

1 Ideal 3.3fi cleaning (ICCCSS height

All polypm howing with SS 316 jittings

FOR METALS RECOVERY choose

lONAP ION EXCHANGE RESINS

Sybron Chemicals Inc. manufactures a wide selection of selec- tive and standard ion exchange resins for the metal treating industry. A sampling of these products are listed below.

Selective SR-3 Au, Ag, Pt Recovery SR-4 Hg Removal, and Ag Recovery SR-5 Cu>Pb>Ni Selective Removal SR-9 Chelated Cu Recovery and Removal SR-9 Complexed metal removal SR-10 Pb Removal from Potable Water SR-12 Fe, Zn, Co Recovery from acidic solutions

Standard NM60 Mixed Bed for DI water production C-287 Cu, Pb, Ni Recovery from DI Rinses

For complete information on these and other ion exchange resins contact us at:

SYBRON CHEMICALS INC. Purification Through innovation Birmingham Road, Birmingham, NJ 08011 800-878-0020 (Toll-Free) 809-893-I 100 (Telephone) 809-894-8841 (Telefax)

Circle 040 on reader information card

METAL FINISHING ?? NOVEMBER 1997

Circle D99 on reader intormation card

tion of zinc into the component surface from the coating lapel.

Electrocoated Photoresist U.S. Parent 5,59.5,859. Jan. 21. 1997 K.G. Olson et al.. assignors !o PPG fnduslnes Inc., Pi&burgh

A process for preparing an article having deposited thereon a photoimagcable. elec- trodepositable photoresist composition.