yl value of 50 to 150; 1 to 20 parts by weight of hydroxyl group-con- taining acrylic resin having a hydroxyl value of 30 to 150; 1 to 15 parts of an epoxy resin; and 10 to 30 parts of a urethodione ring- containing compound.

POWDER PAINT COMPOSITION LTS. Patent 6,337,137. Jan. 8,2002 I? A. Koldgk et al., assignors to DSM N. V, Heerlen, Netherlands A curable powder paint binder composition comprising a poly- mer with functional endomethyl- ene tetrahydrophthalic acid units; and a crosslinker, wherein the polymer is obtained by preparing an unsaturated poly- mer, and subsequently reacting it with cyclopentadiene at a temper- ature between 160 and 220°C.

MULTUAVER COATING

l%S. Patent 6,337,139. Jan. 8,2002 E. Sapper, assignor to BASF Coatings AG, Muenster-Hiltrup, Germany A process for applying a multicoat finish to a substrate surface com- prising forming an aqueous basecoat by combining a dispersion of a hydrophobic amino resin in a hydroxyl-containing emulsifier with an aqueous solution or disper- sion of a hydroxyl containing binder; applying the aqueous basecoat to the substrate surface; forming a polymer film from the aqueous basecoat; applying an aqueous transparent topcoat to the basecoat; and baking the basecoat film and topcoat film together.

PICKLING DRllCE US. Patent 6,340,028. Jan. 22,2002 E. Hirai et al., assignors to Mitsubishi Heavy Industries Ltd.,

Tokyo An acid-pickling device compris- ing an immersion guide roll and skid for guiding strip plate while the strip plate travels in the acid- pickling tank; and an acid-pick- ling tank lid.

DEVICE FOR ELECTKOPIATING MEWlllC AND NONMETALLIC ENDLESS PRODUCTS US. Patent 6,340,422. Jan. 22,2002 H. de Vries and J Heller, assignors to Alumina1 Oberflachentechnik GmbH, Germany A process for electroplating one or more metallic or nonmetallic con- tinuous products from aprotic electrolytes free of water and oxy- gen, wherein a continuous prod- uct is passed through a lock sys- tem into an encapsulated coating plant and the following steps are performed within the encapsulat-

Benefits l Lower Capital Cost than AlternativeTechnologies l Small Footprint, Modular 81 Expandable Design l Decentralized VOCTreatment l Low O&M - Easy to Operate l Low Enerqy Use -. l No Byproducts

l No NOx/SOx The BIO~REACTOR~~ Biofiltration System

Applications l Coaters l Metal Finishing l Wood Coatings l Ink Applicators l Paint Spray Booth l Paint Manufacturing

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BIO*REACTION INDUSTRIESLLC CaUjGr rnO?V i?a~oormation! www.bioreaction.com

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E Stannic Chloride (Tin Tetrachloride) (Tin IV Chloride), (Tin Chloride)

E Stannic Chloride Solution E Story&our Chl.$yide Anhydrour

(Tin :&hlorld&)

Mason Corporation chemicals’ unique features include specialized service, the highest quality and purity in tin metals, and flexibilty in packag- ing of the chemicals to meet the customers needs.

Mason Corporation P,O. Box 38 l Schererville, IN 46375 l-219-865-8040 l Fax: l-219-322-3611 800-326-3075 l Email: masoncorp@niia.net

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118 Metal Finishing

ed coating plant under inert gas atmosphere at temperatures up to 120°C in the following order: activating; rinsing; contacting the continuous product electrically; electroplating the continuous product using a metal or metal alloy forming a coated continuous product; drying the coated contin- uous product; and discharging the coated continuous product from the coating plant through a lock system; wherein the continuous product is passed from outside through the lock system into the encapsulated coating plant and the activation and rinsing of the continuous product are performed thereafter in the coating plant.

MANUFArmRE OF COMPLEX- SHAPED ARTICLES US. Patent 6,340,424. Jan. 22,2002

L. A. Elman et al., assignors to

General Electrical Co., Cincinnati

A method for producing an article having a specified shape and comprising an integrated com- pressor disk and blades, the method using an electrochemical machining process having a cath- ode defined by a set of cathode shape parameters.

CHIP-RESISTANT PAINT l%S. Patent 6,340,519. Jan. 22,2002

K. Tanaka et al., assignors to

Matsumoto Yushi Seiyaku Co. Ltd.,

Yao, Japan

A water-based chip-resistant paint comprising 30 to 65% of solid mat- ter and 0.1 to 10% low-tempera- ture volatility solvent being dis- persed in water, wherein the solid matter consists of 15 to 75% of film-formable resin, 0.2 to 25% of thermoexpandable microspheres, which expand from 20 to 150 times

their original volume; and 20 to 80% of chip-resistant material.

POLVVINVLIDENE FLUORIDE POWDER COATINUS US. Patent 6,340,519. Jan. 22,2002

S.C. Lin et al., assignors to Ausimont

USA Inc., Thorofare, N.J

A process for making a powder coating composition comprising the steps of mixing polyvinyli- dene fluoride (PVDF) latex with a thermoplastic polymer latex to form a latex blend; dispersing pig- ment into the latex blend; adding coagulant to co-coagulate the PVDF latex and thermoplastic latex to form a precipitate, where- in the PVDF and thermoplastic polymer are combined within agglomerated masses; separating the precipitate; and drying the precipitate to obtain a powder coating composition.

WASTRNATER TREATN~ENT EQUIPMENT - Continuous Flow - Batch Treatment Systems - Filter Press and Feed Pumps - Treatment System Upgrades

and Retrofits - Wastewater Reuse Equipment

HIGH PURITY WATER kODUCllON . Reverse Osmosis Units * Deionization Systems * Portable Exchange Deionization - Installation of High Purity Plumbing

WASTEWAlER CHEMICAL PROGRAMS - Metal Precipitants . Chelate Breakers . Coagulants . Polymer Flocculents When Water Matters

PIIOIIK w-mm l 800-29o-m5 Fax: 540-37S9l58 E-mail: sales@prochemweb.com

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. Electrocoating - Anionic and Cationic Paint Baths l Metal Recovery - Metal Finishing Baths l Recovery of Pickle Liquors l Production of Organic Acids l EDI Systems

l Precious Metal Recovery l Heavy Metal Recovery l Metal Recovery from Acidic Solutions l Deionization, Dealkalizatlon, Softening

l Inexpensive cartridges for quick determination of application feasibility.

For complete information on these and other products contact us at:

CHEMICALS INC.

A mr @ Company

Birmingham Road, Birmingham, NJ 08011 Phone: (809) 893-l 100 i 800-878-0020, Fax: (809) 894-8841 Web: www.sybronchemicals.com

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November/December 2002 119