Metal Finishing Composition

each 100 patts by weight of the fluoroelastomer quaternary ammonium or quaternary phosphoniurn accelerator; polyol; acid acceptor; 0.1 to 5 parts by weight of oilsoluble chelating agent selected from the group consif:ting of partial alkylamine salts of polybasic carboxylic acid; and organic solvent.

In-Mold

Coating

Electrocoating

U.S. Patent 5,656,697, Aug. 19, 1997 H-K. Lin, assignor to Industrial Technology Research Institute, Hsin chu, Taiwan

A method for producing color filters by the use of anionic electrocoats.

Metal Finishing

Composition

U.S. Patent 5&T&672. Aug. 19, 1997 GM. Lenke et al., assignors to GenCorp Fair/awn. Ohio

Selective Process

Composition

U.S. Patent 5,65&3,869. Aug. 19, 1997 B. Singer, C/arks Summit, Pa.

Inc.,

A thermosettable in-mold coating composition comprising at least one urethane polyacrylate having three or more terminal acrylate or methacrylate groups; at least one a urethane diacrylate or urethane divinyl compound or combinations thereof: one ethylemcally unsaturated copolymerizable monomer; and 2 to 50 parts by weight of at least one adhesion promoter being a vinyl substituted monoisocyanate, an alkyl cyanoacrylate wherein the alkyl group has from I to 10 carbon atoms, or a blend of an alkyl (meth)acrylate oligomer and at least one acrylate monomer.

An aqueous composition comprising hydroxyacetic acid present in an amount of 4.8 to 40.8% based on the total weight of the composition; dipropylene glycol-methy1 ether present in an amount of 5 to 45%; and a surfactant bllend, the pH being adjustd with a caustic agent to a value ot 1.5 to 3.0.

Cathodic

Electrocoat

U.S. Pafent5,658,970. Aug. 19, 1997 PJ. Harris and 73. Decembe: assignors to BASF Corp., So&field, Mich

A method for making an aqueous dispersion of a self-crosslinkable cationic

polymer comprising forming an epoxidefunctional prepolymer having polyepoxide and extender segments, wherein each extender segment has at least one pendant hydroxyalkylene carbamate group; reacting the epoxide groups of the prepolymer with an amine compound having at least one epoxide-reactive group and at least one blocked primary amine group to form a polymer; forming an aqueous dispersion of the polymer by means of unblocking the primary amine groups and at least partially neutralizing the amine groups of the polymer before or during addition of a sufficient amount of water to form a dispersion of the polymer.

Coating

Composition

U.S. Pafenf 5,658,9&I Aug. 19, 1997 S. Ogino et al., assignors to Kansar Painf Co. Ltd., Hyogo, Japan

A resinous composition for coating comprising a resin having a siloxy group, and a catalyst for dissociating the siloxy group.

PUROLITE ION EXCHANGE RESINS FOR

METAL

FINISHING

WATER AND WASTE TREATMENT (CHELATION,STANDARD

CALL FOR APPLICATIONS

Cold applied . l Simple disposal l l Works in seconds l l Perfect for touch up l . Electrically conductive l . Coating has a gold color l l Excellent base for coatings l l Apply with brush, dip or spray . Iron-free, polymer free, HF-free l

AND SPECIALTY)

CONSULITNG

1-800-343-1500 FAX 610-668-8139

l l

I

Purolite Company 150 Monument Road Bala Cynwyd, PA 19004 Circle 061 on reade%ormation METAL

FINISHING

l

APRIL 1998

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