Ophthalmic lens mold surface energy differential

Details Ophthalmic lens mold surface energy differential Ophthalmic lens mold surface energy differential

B - Operations, Transporting

29

D

B29D 11/00 (2006.01)

Patent

CA 2684870

This invention discloses improved mold parts fashioned from a thermoplastic resin compounded with an additive to reduce the surface energy of the mold part (to below 30 mN/m). The mold parts can be used in manufacturing processes, such as, for example: continuous, in-line or batched processes of ophthalmic lens molds.

L'invention concerne des parties de moule améliorées façonnées à partir d'une résine thermoplastique mélangée avec un additif pour réduire l'énergie de surface de la partie de moule (à moins de 30 mN/m). Les parties de moule peuvent être utilisées dans des procédés de fabrication, tels que, par exemple : les procédés continus, en ligne ou discontinus de moule à lentille ophtalmique.

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