公开(公告)号：US4919850A

公开(公告)日：1990-04-24

申请号：US190856

申请日：1988-05-06

申请人： Ronald D. Blum ,  Scott Reid ,  Howard P. Silverman

发明人： Ronald D. Blum ,  Scott Reid ,  Howard P. Silverman

IPC分类号： B29D11/00

CPC分类号： B29D11/00528 ,  B29D11/00413 ,  B29D11/00442 ,  Y10S425/808

摘要： The disclosure relates to a method and apparatus for making lenses and a composition of molding material which can be utilized in the method and apparatus for molding lenses of optical quality. A monomer is used with initiators in conjunction with the molding apparatus to mold plastic lenses of optical quality without requirement for any additional polishing or grinding, except for perhaps shaping the edges. The molding material includes a composition of liquid monomer with a thermal initiator and a UV initiator each of which can be activated during the molding process. Initially, the molding forms with the liquid monomer compositions therein are heated to activate the thermal initiator and form the molding material into a gel. The gelled material is then subjected to a UV light source for completing the cure. Prepolymerized molding material can be used in some instances to avoid an intermediate step of thermal curing. Various other embodiments and apparatus are disclosed for molding plastic lens.

摘要翻译： 本公开涉及一种用于制造透镜的方法和装置以及可用于模制光学品质的透镜的方法和装置中的成型材料的组合物。 与成型设备一起使用的单体与引发剂一起使用以模制光学质量的塑料透镜，而不需要任何额外的抛光或研磨，除了可能使边缘成形。 成型材料包括具有热引发剂和UV引发剂的液体单体的组合物，其可以在模塑过程中被活化。 最初，将其中含有液体单体组合物的模塑形式加热以活化热引发剂并将模塑材料形成凝胶。 然后将胶凝材料经受UV光源以完成固化。 在一些情况下可以使用预聚模塑材料以避免热固化的中间步骤。 公开了用于模制塑料透镜的各种其它实施例和装置。