SILICONE HYDROGELS COMPRISING N-VINYL AMIDES AND HYDROXYALKYL (METH)ACRYLATES OR (METH)ACRYLAMIDES
申请人:Johnson & Johnson Vision Care, Inc.
公开号:US20140024791A1
公开(公告)日:2014-01-23
The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.
本发明涉及一种工艺,包括以下步骤:反应反应混合物,所述混合物包括至少一种含有硅的组分、至少一种亲水性组分和至少一种稀释剂,以形成具有小于约80°的前进接触角的眼科设备;并将眼科设备与提取温度升高的水提取溶液接触,其中所述至少一种稀释剂的沸点至少比所述提取温度高约10°。