CA2127696C - Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage - Google Patents

Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage Download PDF

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Publication number
CA2127696C
CA2127696C CA002127696A CA2127696A CA2127696C CA 2127696 C CA2127696 C CA 2127696C CA 002127696 A CA002127696 A CA 002127696A CA 2127696 A CA2127696 A CA 2127696A CA 2127696 C CA2127696 C CA 2127696C
Authority
CA
Canada
Prior art keywords
mixture
polyethylene oxide
naphthalene sulphonate
admixed
amount
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
CA002127696A
Other languages
English (en)
French (fr)
Other versions
CA2127696A1 (en
Inventor
Georges Radu
Pierre Langevin
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.)
EQUIP International Inc
Original Assignee
EQUIP International Inc
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 EQUIP International Inc filed Critical EQUIP International Inc
Priority to JP51153694A priority Critical patent/JP3149954B2/ja
Priority to US08/256,455 priority patent/US5554260A/en
Priority to PCT/CA1992/000487 priority patent/WO1994011575A1/en
Priority to CA002127696A priority patent/CA2127696C/en
Publication of CA2127696A1 publication Critical patent/CA2127696A1/en
Application granted granted Critical
Publication of CA2127696C publication Critical patent/CA2127696C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/09—Sulfur-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/53—Polyethers; Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
CA002127696A 1992-02-26 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage Expired - Fee Related CA2127696C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP51153694A JP3149954B2 (ja) 1992-02-26 1992-11-09 保持率と排水性とを改善するためのナフタリンスルホン酸塩およびポリエチレンオキシドを包含する方法および使用
US08/256,455 US5554260A (en) 1992-11-09 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage
PCT/CA1992/000487 WO1994011575A1 (en) 1992-02-26 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage
CA002127696A CA2127696C (en) 1992-02-26 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84180692A 1992-02-26 1992-02-26
PCT/CA1992/000487 WO1994011575A1 (en) 1992-02-26 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage
CA002127696A CA2127696C (en) 1992-02-26 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage

Publications (2)

Publication Number Publication Date
CA2127696A1 CA2127696A1 (en) 1994-05-26
CA2127696C true CA2127696C (en) 2005-10-25

Family

ID=38595956

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002127696A Expired - Fee Related CA2127696C (en) 1992-02-26 1992-11-09 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage

Country Status (3)

Country Link
JP (1) JP3149954B2 (ja)
CA (1) CA2127696C (ja)
WO (1) WO1994011575A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5674643A (en) * 1995-02-14 1997-10-07 Sanyo Electric Co., Ltd. Non-sintered nickel electrode for alkaline storage cell

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188446A (en) * 1977-05-04 1980-02-12 Johnson & Johnson Paper having improved strength
CA1137261A (en) * 1980-06-02 1982-12-14 Ching-Hua Tay Method of improving the retention of fines in paper making using polyethylene oxide
EP0203817A1 (en) * 1985-05-31 1986-12-03 Betz Europe, Inc. Polymeric compositions
CA2040967A1 (en) * 1991-04-23 1992-10-24 M. Robin Brown New system for reducing bod value in used water

Also Published As

Publication number Publication date
JPH08504237A (ja) 1996-05-07
CA2127696A1 (en) 1994-05-26
JP3149954B2 (ja) 2001-03-26
WO1994011575A1 (en) 1994-05-26

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