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BR9704355A - Processo de produção de papel - Google Patents

Processo de produção de papel

Info

Publication number
BR9704355A
BR9704355A BR9704355A BR9704355A BR9704355A BR 9704355 A BR9704355 A BR 9704355A BR 9704355 A BR9704355 A BR 9704355A BR 9704355 A BR9704355 A BR 9704355A BR 9704355 A BR9704355 A BR 9704355A
Authority
BR
Brazil
Prior art keywords
production process
paper production
paper
production
Prior art date
Application number
BR9704355A
Other languages
English (en)
Inventor
Alessandra Gerli
David I Weinstein
Original Assignee
Nalco Chemical Co
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
Priority claimed from US08/675,134 external-priority patent/US5837100A/en
Priority to CA002210776A priority Critical patent/CA2210776A1/en
Priority to EP97112514A priority patent/EP0893538A1/en
Priority claimed from AU29426/97A external-priority patent/AU744781B2/en
Priority to NO973547A priority patent/NO307975B1/no
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Priority to BR9704355A priority patent/BR9704355A/pt
Publication of BR9704355A publication Critical patent/BR9704355A/pt

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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • 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)
BR9704355A 1996-07-03 1997-08-13 Processo de produção de papel BR9704355A (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002210776A CA2210776A1 (en) 1996-07-03 1997-07-18 Use of blends of dispersion polymers and coagulants for coated broke treatment
EP97112514A EP0893538A1 (en) 1996-07-03 1997-07-22 Use of blends of dispersion polymers and coagulants for papermaking
NO973547A NO307975B1 (no) 1996-07-03 1997-08-01 FremgangsmÕte ved fremstilling av papir
BR9704355A BR9704355A (pt) 1996-07-03 1997-08-13 Processo de produção de papel

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US08/675,134 US5837100A (en) 1996-07-03 1996-07-03 Use of blends of dispersion polymers and coagulants for coated broke treatment
CA002210776A CA2210776A1 (en) 1996-07-03 1997-07-18 Use of blends of dispersion polymers and coagulants for coated broke treatment
AU29426/97A AU744781B2 (en) 1997-07-22 1997-07-22 Use of blends of dispersion polymers and coagulants for coated broke treatment
EP97112514A EP0893538A1 (en) 1996-07-03 1997-07-22 Use of blends of dispersion polymers and coagulants for papermaking
NO973547A NO307975B1 (no) 1996-07-03 1997-08-01 FremgangsmÕte ved fremstilling av papir
BR9704355A BR9704355A (pt) 1996-07-03 1997-08-13 Processo de produção de papel

Publications (1)

Publication Number Publication Date
BR9704355A true BR9704355A (pt) 1999-03-30

Family

ID=27542636

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9704355A BR9704355A (pt) 1996-07-03 1997-08-13 Processo de produção de papel

Country Status (4)

Country Link
EP (1) EP0893538A1 (pt)
BR (1) BR9704355A (pt)
CA (1) CA2210776A1 (pt)
NO (1) NO307975B1 (pt)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432951B (sv) * 1980-05-28 1984-04-30 Eka Ab Pappersprodukt innehallande cellulosafibrer och ett bindemedelssystem som omfattar kolloidal kiselsyra och katjonisk sterkelse samt forfarande for framstellning av pappersprodukten
JPS6215251A (ja) * 1985-07-15 1987-01-23 Kyoritsu Yuki Kogyo Kenkyusho:Kk カチオン性水溶性重合体の分散液の製造方法
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
US5466338A (en) * 1993-11-17 1995-11-14 Nalco Chemical Company Use of dispersion polymers for coated broke treatment

Also Published As

Publication number Publication date
NO307975B1 (no) 2000-06-26
NO973547L (no) 1999-02-02
NO973547D0 (no) 1997-08-01
EP0893538A1 (en) 1999-01-27
CA2210776A1 (en) 1999-01-18

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Legal Events

Date Code Title Description
B09A Decision: intention to grant
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time