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H.F? Tannenbaum, assignor to E.I. Du font de Nemours and Co., Wilmington, Del.
Composition applicable as a primer for nonstick coating on a smooth substrate, comprising a single fluoropolymer and polymer binder in the weight proportion of 0.5 to 2.0:1 and in addition from 5 to 30% inorganic filler film hardener, based on the baked weight of the composition.
Impact-Resistant Coating Composition U.S. Patent 5,563,188. Oct. 8, 1996 W Ziems, assignor to Sfankiewicz GmbH,
Adelbeidsdorf, Germany
A polyvinyl chloride-based coating com- position, which protects against impact stresses, comprising by weight 20-30% poly- vinyl chloride, lO-20% vinyl chloride-vinyl acetate copolymer blending resin, B-20% calcium carbonate, 0.3-0.4% hollow plastics spheres, and 3@40% acid ester plasticizer.
Heat-Resistant Powder Coatings U.S. Patent 5,563,200. Oct. 8, 7996 A.1 Da/y and L.T. Grundowski, assignors to Morton lnfernafional Inc., Chicago
A powder coating composition compris- ing 60 and 95 parts by weight of a polyester resin; 5 and 40 parts by weight of a curative for the polyester resin; 50 and 1.50 parts per hundred resin by weight silicone resin hav- ing a degree of organic moiety substitution of 1.5 or less: 20 and 100 parts per hundred resin by weight of a filler selected from calcium silicate, silica, magnesium alumi- num silicate, calcium carbonate, barium sulfate, and mixtures thereof; 1 and 10 parts per hundred resin by weight silicone rubber, said silicone rubber being dialky- lpolysiloxane chains that are cross-linked at their terminal; and up to 50 parts per hundred resin by weight mica.
ElectrocoaUBase Coat/Clear Coat Finish U.S. Pafent 5,563,242. Oct. 8, 1996 RAE Winter et al, assignors to Ciba-Geigy Corp., Tarrytown, N. Y
an organic pigment or an inorganic pigment
A polymer film composition, which comprises an electrocoat primer in adhe- sion to a metal substrate; a base or color coat that is in adhesion to the electrocoat and comprises a film-forming binder and
or mixture thereof; a clear coat that is in adhesion to the base coat and comprises a film-forming binder; and an effective sta- bilizing amount of at least one soluble and thermally stable benzotriazole UV ab- sorber, wherein the UV absorber is con- tained in either the base coat or the clear coat or in both base coat and clear coat, and wherein the composition exhibits at least 50% gloss retention after 3000 hours expo- sure in a QUV device.
System For Cleaning Printed Circuit Boards U.S. Patent 5,564,159. Oct. 15, 1996 J.H. Treiber, assignor to The John Treiber Co., Nashua, N. M
A closed-loop multistage cleaning system through which articles to be cleaned are passed, including a wash stage, a rinse stage, dryer means, and liquid recycling means.
Buffing Machine Assembly U.S. Patent 5,564,971. Oct. 15, 1996 K. Evensen, Rose//e, 111.
on a spindle or drive shaft. A roller and belt assembly for mounting
~BlJFR5&BUFFlNG COMPOUNDS BY SCHAFFNER$ Nickel Buffing (time) - Stainless Steel Compound - Aluminum $
4 Compound - Chrome Coloring Rouge - Green Rouge - Plastic $‘ 4 Compound - Emery Cake - Jeweler’s Rouge - Grease Stick - $t 4 Abras-Ease Abrasive Belt Lubricant -.All ferrous and non- + 4 ferrous buffing compounds, Bar, Spray, or Paste. 4 Schaffner Metal Center Aircooled (Bias type) Buffs - Bias v
4 Cloth and Sisal-Bias sisal, Treated or Untreati - Satinizer $ Buffs - Rubber Sectional Contact Wheels - Cloth or $
4 Abrasive Segment Buffs - Abrasive Bias Type - Extra Life f 4 Bias Type - Coloring Buffs. (The above in 3”, 5”, 7” or 9” ten- , 4 ters, 6’ diam. through 24” diam.) All full disc and piece buffs.
4 Write, wire, or phone May for information and prices. $ SCHAFFNER HEADQUARTERS t
Pittsburgh, PA 15202 (412) 761-9902 l FAX: (412) 761-8998 t
&IANUFACTURlNG PI ANTS $ Emswotth, PA l Jackson, MS *
Working with stainless steels?
Need an exceptionally clean, bright, passive surface?
Have you thought about ekctropoliihing?
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Enequlst Chemical Co., Inc. 100 hick Avenue Brooklyn, NY 11237 (800) 521-5520 Fax (718) 497-2421
METAL FINISHING l JUNE 1997 171
