Method of preparing a mold to form an article and method of forming the article with the mold

摘要

A method of preparing a mold to form an article is provided. In one embodiment, the method includes preparing a quantity of fluid including lightweight oil, submerging the mold in the quantity of fluid such that the fluid at least partially enters internal cavities of the mold, and filling asperities defined in walls of the mold. The filling includes creating a negative pressure in the mold while submerged in the quantity of fluid, and removing substantially all air from the internal cavities.

主权项

1. A method of preparing a mold to form an article, said method comprising:
the mold is formed from an organic polymer that at least partially dissolves when cleaned with a solvent, submerging the mold in a fluid comprising lightweight oil such that the fluid at least partially enters internal cavities of the mold; and filling asperities defined in the walls of the mold, wherein the asperities are formed during the cleaning with the solvent, said filling comprising:
creating a negative pressure in the mold while submerged in the fluid; andremoving substantially all air from the internal cavities.