A wax-like substance and a molding method using a wax-like...

C - Chemistry – Metallurgy – 08 – J

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C08J 11/12 (2006.01) B22C 7/02 (2006.01) B22C 9/04 (2006.01) C09D 13/00 (2006.01)

Patent

CA 2157704

A wax-like substance mainly consisting of a saturated chain hydrocarbon, in which a weight ratio (C/H) of carbon and hydrogen is 5.839-6.018, a total weight % of the carbon and the hydrogen is 98.50-1000, a number-average molecular weight (Mn) is 3.0x10 3-1.0x10 4, a weight-average molecular weight (Mw) is 1.0x104-5.0x104 and Mw/Mn is 1.0-5Ø In the case of using it for carving and casting, for example, the wax-like substance can be repeatedly used, and has excellent workability. Moreover, the wax-like substance provides easy dewaxing from a mold material. In other words, it provides convenient use. In addition, after a master model is made by processing the wax- like substance and covered with a mold material, it is dewaxed. Molten metal is poured into the mold material, and a shaped article is produced by cooling and solidifying the mold material where the molten metal has been poured. As a result, shaped articles, such as a decoration having a very fine pattern, an accessory having a complicated and three-dimensional configuration, or an industrial art object, can be suitably produced.

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