CA1318091C - Membranes d'osmose inverse - Google Patents

Membranes d'osmose inverse

Info

Publication number
CA1318091C
CA1318091C CA000556201A CA556201A CA1318091C CA 1318091 C CA1318091 C CA 1318091C CA 000556201 A CA000556201 A CA 000556201A CA 556201 A CA556201 A CA 556201A CA 1318091 C CA1318091 C CA 1318091C
Authority
CA
Canada
Prior art keywords
membrane
polyamide
nitrous acid
percent
groups
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA000556201A
Other languages
English (en)
Inventor
John E. Cadotte
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Filmtec Corp
Original Assignee
Filmtec Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Filmtec Corp filed Critical Filmtec Corp
Application granted granted Critical
Publication of CA1318091C publication Critical patent/CA1318091C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
CA000556201A 1987-01-15 1988-01-11 Membranes d'osmose inverse Expired - Fee Related CA1318091C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US399687A 1987-01-15 1987-01-15
US003,996 1987-01-15

Publications (1)

Publication Number Publication Date
CA1318091C true CA1318091C (fr) 1993-05-25

Family

ID=21708612

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000556201A Expired - Fee Related CA1318091C (fr) 1987-01-15 1988-01-11 Membranes d'osmose inverse

Country Status (2)

Country Link
JP (1) JPS63175604A (fr)
CA (1) CA1318091C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249909A (zh) * 2020-04-15 2020-06-09 内蒙古科泰隆达环保科技有限公司 一种饮用水净化用反渗透膜的改性方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011125856A (ja) * 2003-11-26 2011-06-30 Toray Ind Inc 複合半透膜の製造方法およびポリアミド複合半透膜
JP2005177741A (ja) * 2003-11-26 2005-07-07 Toray Ind Inc 半透膜の処理方法ならびに改質半透膜およびその製造方法
JP4525296B2 (ja) * 2003-12-03 2010-08-18 東レ株式会社 複合半透膜の製造方法
JP4618081B2 (ja) * 2005-09-28 2011-01-26 東レ株式会社 複合半透膜の処理方法および製造方法
JP5130967B2 (ja) * 2007-03-19 2013-01-30 東レ株式会社 複合半透膜の製造方法
JP5131028B2 (ja) * 2007-05-30 2013-01-30 東レ株式会社 複合半透膜の製造方法
JP5131027B2 (ja) * 2007-05-31 2013-01-30 東レ株式会社 複合半透膜の製造方法
KR20120123281A (ko) * 2009-12-22 2012-11-08 도레이 카부시키가이샤 반투막 및 그의 제조 방법
AU2010336727A1 (en) 2009-12-24 2012-05-31 Toray Industries, Inc. Composite semipermeable membrane and method for producing same
WO2012090862A1 (fr) * 2010-12-28 2012-07-05 東レ株式会社 Membrane semi-perméable composite
CN105848765B (zh) * 2014-01-09 2020-02-14 陶氏环球技术有限责任公司 具有优选偶氮含量的复合聚酰胺膜
EP3092061B1 (fr) * 2014-01-09 2020-02-05 Dow Global Technologies LLC Membrane de polyamide composite présentant une haute teneur en acide et une faible teneur en composés azoïques
CA2935699C (fr) * 2014-01-09 2022-05-31 Dow Global Technologies Llc Membrane de polyamide composite presentant une teneur en composes azoiques et une haute teneur en acide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249909A (zh) * 2020-04-15 2020-06-09 内蒙古科泰隆达环保科技有限公司 一种饮用水净化用反渗透膜的改性方法

Also Published As

Publication number Publication date
JPS63175604A (ja) 1988-07-20

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