C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 63/00 (2006.01) B22C 1/22 (2006.01) B22C 7/02 (2006.01) B22C 9/04 (2006.01)
Patent
CA 2059188
- 50 - INVESTMENT CASTING COMPOSITIONS AND PROCESSES FOR THE MANUFACTURE AND USE THEREOF Abstract This invention relates to investment casting compositions comprising (i) a refractory material, e.g., a ceramic material, and (ii) a soluble core material comprising one or more block polymers characterized by an ABCBA structure. This invention also relates to methods for investment casting and to the manufacture of molded articles. The soluble core materials exhibit desirable breaking strength, dissolution rate and surface characteristics. D-16737
Caster Sandra A.
Higginbotham Clayton E.
Caster Sandra A.
Higginbotham Clayton E.
Sim & Mcburney
Union Carbide Chemicals And Plastics Company
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