Compositions: coating or plastic – Coating or plastic compositions – Wax containing
Patent
1996-08-23
1998-01-27
Brunsman, David
Compositions: coating or plastic
Coating or plastic compositions
Wax containing
106272, L08L 9106, L08L 9108
Patent
active
057117950
ABSTRACT:
A sand-based molding composition which can be compressed using hand pressure, and which starts as a free-flowing sand mixture, is formed by combining a solvent with a waxy binder and blending this with sand and subsequently stripping off the solvent. The molding composition includes the particulate material, preferably sand, coated with a thin coating of the waxy binder which is preferably a paraffin wax. A pigment can be added which will remain held by the binder and will not tend to stain. The molding composition can be compressed with the hand to form a molded article, and can be easily crushed to form a flowable, sandy product.
REFERENCES:
patent: 244321 (1881-07-01), Sellars
patent: 525292 (1894-08-01), Slicer
patent: 4925493 (1990-05-01), Lamoreaux
CA 72:82032, Ahlert et al., "Molding composition", Jan. 1970.
Color Index: Second Edition (1956), vol. 2, The Soc. of Dyers and Colourists, England, The Amer. Assoc. of Textile Chemists and Colorists, Massachusetts, "Pigments," pp. 2697-2699, and Solvent Dyes, pp. 2815-2816.
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd Ed., vol. 24, "Waxes," pp. 466-481 no month available.
Encyclopedia of Polymer Science and Engineering, vol. 17, "Waxes," pp. 784-795 no date available.
Battelle (Memorial Institute)
Brunsman David
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