发明名称 |
Method for producing polycarbonate material having excellent solubility and affinity, and contact lens material comprising the same |
摘要 |
According to the present invention, a contact lens material being excellent in oxygen permeability and transparency, being capable of undergoing injection molding, having no water content and having flexibility, as well as a contact lens gel material having excellent oxygen permeability and transparency can be provided. The present invention relates to a contact lens material comprising a polycarbonate resin derived from at least two compounds among compounds represented by a general formula (A), a general formula (B) and a general formula (C), a highly polar molecular weight control modifier (chain terminator) and a compound forming a carbonic acid ester, wherein the compound of the general formula (A) is essentially comprised, and to a production method thereof. |
申请公布号 |
US8501878(B2) |
申请公布日期 |
2013.08.06 |
申请号 |
US200913383993 |
申请日期 |
2009.07.15 |
申请人 |
SUZUKI YASUHIKO;NAKADA KAZUHIKO;WATANABE TSUYOSHI;ADACHI TAKAHIRO;HAGIWARA MAMORU;MINEMURA MASAHIKO;MENICON CO., LTD.;MITSUBISHI GAS CHEMICAL COMPANY, INC.;SHIN-ETSU CHEMICAL CO., LTD. |
发明人 |
SUZUKI YASUHIKO;NAKADA KAZUHIKO;WATANABE TSUYOSHI;ADACHI TAKAHIRO;HAGIWARA MAMORU;MINEMURA MASAHIKO |
分类号 |
G02B1/04;C08L67/00;C08L83/06 |
主分类号 |
G02B1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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