发明授权
US5762718A Process for reducing black specks in a thermotropic liquid crystal
polymer with successive washes of triethylene glycol, ethylene glycol
and water
失效
用于减少三乙二醇,乙二醇和水的连续洗涤的热致液晶聚合物中的黑色斑点的方法
- 专利标题: Process for reducing black specks in a thermotropic liquid crystal polymer with successive washes of triethylene glycol, ethylene glycol and water
- 专利标题(中): 用于减少三乙二醇,乙二醇和水的连续洗涤的热致液晶聚合物中的黑色斑点的方法
-
申请号: US763571申请日: 1996-12-10
-
公开(公告)号: US5762718A公开(公告)日: 1998-06-09
- 发明人: H. Clay Linstid, III , John D. Wasmund
- 申请人: H. Clay Linstid, III , John D. Wasmund
- 申请人地址: NJ Warren
- 专利权人: Hoechst Celanese Corporation
- 当前专利权人: Hoechst Celanese Corporation
- 当前专利权人地址: NJ Warren
- 主分类号: B08B3/08
- IPC分类号: B08B3/08 ; C08G63/60 ; C08G63/78 ; C08G85/00 ; B08B3/02
摘要:
A process for reducing black specks in anisotropic melt-phase forming liquid crystal polymer which comprises the steps of subjecting a reactor in which an anisotropic melt-forming polymer was formed to successive washes of triethylene glycol, ethylene glycol and at least one water wash, draining the reactor between washes, and drying the reactor after the water wash.
公开/授权文献
- US4656164A O-(substituted allylic) dithiophosphonate insecticides 公开/授权日:1987-04-07
信息查询
IPC分类: