发明授权
- 专利标题: Process for polymerisation of diethylene glycol bis allyl carbonate
- 专利标题(中): 二甘醇双烯丙基碳酸酯的聚合方法
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申请号: US11886387申请日: 2006-01-16
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公开(公告)号: US07923484B2公开(公告)日: 2011-04-12
- 发明人: Rakesh Kumar Khandal , Geetha Seshadri , Gauri Shankar Jha
- 申请人: Rakesh Kumar Khandal , Geetha Seshadri , Gauri Shankar Jha
- 申请人地址: IN
- 专利权人: Shriram Institute for Industrial Reasearch
- 当前专利权人: Shriram Institute for Industrial Reasearch
- 当前专利权人地址: IN
- 代理机构: The Webb Law Firm
- 优先权: IN99/DEL/2005 20050117
- 国际申请: PCT/IN2006/000012 WO 20060116
- 国际公布: WO2006/075338 WO 20060720
- 主分类号: C08F2/50
- IPC分类号: C08F2/50 ; C08F2/42
摘要:
A process for polymerization of diethylene glycol bis allyl carbonate which may advantageously be employed for producing plastic lenses having a low refractive index comprising in the step of subjecting diethylene glycol bis allyl carbonate to the step of gamma radiation in the presence of diiso propyl peroxydicarbonate as a catalyst.
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