公开(公告)号：US20070148370A1

公开(公告)日：2007-06-28

申请号：US11636480

申请日：2006-12-11

申请人： Kazuhiro Maenou ,  Yukihiro Maeda

发明人： Kazuhiro Maenou ,  Yukihiro Maeda

IPC分类号： C09K19/00 ,  C08L33/04

CPC分类号： C08J7/06 ,  C08J7/12 ,  G02B5/3083 ,  Y10T428/1009

摘要： The present invention provides a method for alkaline saponification of a polymer film, comprising the steps of: alkaline saponification of the polymer film with an alkaline solution; and washing away the alkaline solution from the alkali-saponified polymer film, wherein the washing step includes a plurality of water-washing steps of washing the alkaline solution coated on the polymer film away using washing water, along the travel direction of the polymer film, and the used washing water is reused in order to perform alkaline saponification of a polymer film which allow efficient use of washing water and realize low cost and low environmental load while maintaining quality stability.

摘要翻译： 本发明提供了一种聚合物膜的碱皂化方法，包括以下步骤：用碱溶液碱性皂化聚合物膜; 并从碱性皂化聚合物膜上洗去碱性溶液，其中洗涤步骤包括多个水洗步骤，该洗涤步骤沿着聚合物膜的行进方向洗涤涂覆在聚合物膜上的碱性溶液，使用洗涤水， 为了进行有效利用洗涤水的高分子膜的碱性皂化，可以重复使用废洗水，实现低成本，低环境负荷，同时保持质量稳定性。

公开(公告)号：US07442789B2

公开(公告)日：2008-10-28

申请号：US11636480

申请日：2006-12-11

申请人： Kazuhiro Maenou ,  Yukihiro Maeda

发明人： Kazuhiro Maenou ,  Yukihiro Maeda

IPC分类号： C08B3/22

CPC分类号： C08J7/06 ,  C08J7/12 ,  G02B5/3083 ,  Y10T428/1009

摘要： The present invention provides a method for alkaline saponification of a polymer film, comprising the steps of: alkaline saponification of the polymer film with an alkaline solution; and washing away the alkaline solution from the alkali-saponified polymer film, wherein the washing step includes a plurality of water-washing steps of washing the alkaline solution coated on the polymer film away using washing water, along the travel direction of the polymer film, and the used washing water is reused in order to perform alkaline saponification of a polymer film which allow efficient use of washing water and realize low cost and low environmental load while maintaining quality stability.

摘要翻译： 本发明提供了一种聚合物膜的碱皂化方法，包括以下步骤：用碱溶液碱性皂化聚合物膜; 并从碱性皂化聚合物膜上洗去碱性溶液，其中洗涤步骤包括多个水洗步骤，该洗涤步骤沿着聚合物膜的行进方向洗涤涂覆在聚合物膜上的碱性溶液，使用洗涤水， 为了进行有效利用洗涤水的高分子膜的碱性皂化，可以重复使用废洗水，实现低成本，低环境负荷，同时保持质量稳定性。