发明授权
US07728055B2 Process for producing coagulated latex particles 有权
生产凝结胶乳颗粒的方法

  • 专利标题: Process for producing coagulated latex particles
  • 专利标题(中): 生产凝结胶乳颗粒的方法
  • 申请号: US11921440
    申请日: 2006-07-12
  • 公开(公告)号: US07728055B2
    公开(公告)日: 2010-06-01
  • 发明人: Takashi Ueda
  • 申请人: Takashi Ueda
  • 申请人地址: JP Osaka
  • 专利权人: Kaneka Corporation
  • 当前专利权人: Kaneka Corporation
  • 当前专利权人地址: JP Osaka
  • 代理机构: Wenderoth, Lind & Ponack, L.L.P.
  • 优先权: JP2005-218628 20050728
  • 国际申请: PCT/JP2006/313846 WO 20060712
  • 国际公布: WO2007/013305 WO 20070201
  • 主分类号: C08L5/04
  • IPC分类号: C08L5/04
Process for producing coagulated latex particles
摘要:
An object of the present invention is to provide a new granulating process which can recover desired coagulated latex particles with a significantly excellent yield, and can suppress secondary coagulation under the condition having a higher temperature than a softening point of a polymer, without deteriorating the original quality of the polymer itself. A process for producing coagulated latex particles which can suppress the secondary coagulation under the condition having the broad temperature range, without deteriorating the original quality of the polymer itself by spraying or dropping a polymer latex into a gas-phase containing an inorganic salt and/or an acid, and a dispersant in an aerosol form, and dropping or feeding the droplets of the polymer latex into an aqueous phase containing a dispersant.
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