FI900676A0 - Hydrolyserade polyakrylamidblandningar som hjaelpmedel vid retention av staerkelse. - Google Patents

Hydrolyserade polyakrylamidblandningar som hjaelpmedel vid retention av staerkelse.

Info

Publication number
FI900676A0
FI900676A0 FI900676A FI900676A FI900676A0 FI 900676 A0 FI900676 A0 FI 900676A0 FI 900676 A FI900676 A FI 900676A FI 900676 A FI900676 A FI 900676A FI 900676 A0 FI900676 A0 FI 900676A0
Authority
FI
Finland
Prior art keywords
staerkelse
polyakrylamidblandningar
hydrolyserade
hjaelpmedel
vid
Prior art date
Application number
FI900676A
Other languages
English (en)
Inventor
W E Hunter
R J Falcione
Original Assignee
Calgon 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 Calgon Corp filed Critical Calgon Corp
Publication of FI900676A0 publication Critical patent/FI900676A0/fi

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
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • D21H17/43—Carboxyl groups or derivatives thereof
    • 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)
FI900676A 1989-02-13 1990-02-12 Hydrolyserade polyakrylamidblandningar som hjaelpmedel vid retention av staerkelse. FI900676A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/310,415 US4908100A (en) 1989-02-13 1989-02-13 Hydrolyzed polyacrylamide blends as starch retention aids

Publications (1)

Publication Number Publication Date
FI900676A0 true FI900676A0 (fi) 1990-02-12

Family

ID=23202397

Family Applications (1)

Application Number Title Priority Date Filing Date
FI900676A FI900676A0 (fi) 1989-02-13 1990-02-12 Hydrolyserade polyakrylamidblandningar som hjaelpmedel vid retention av staerkelse.

Country Status (8)

Country Link
US (1) US4908100A (fi)
EP (1) EP0383514A1 (fi)
JP (1) JPH02259194A (fi)
AU (1) AU625547B2 (fi)
CA (1) CA2009825A1 (fi)
DD (1) DD294527A5 (fi)
FI (1) FI900676A0 (fi)
NZ (1) NZ232400A (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168686B1 (en) 1998-08-19 2001-01-02 Betzdearborn, Inc. Papermaking aid
FI125714B (fi) * 2012-11-12 2016-01-15 Kemira Oyj Menetelmä kuitumassan käsittelemiseksi paperin, kartongin tai vastaavan valmistamista varten ja tuote
FI125712B (fi) * 2012-11-13 2016-01-15 Kemira Oyj Paperinvalmistusaine ja sen käyttö

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2039402B2 (de) * 1969-08-11 1973-11-15 Nitto Chemical Industry Co. Ltd., Tokio Verfahren zur Herstellung von Papier
DE2538281B2 (de) * 1975-08-28 1980-07-17 Basf Ag, 6700 Ludwigshafen Retentions- und Flockungsmittel auf Basis von Polyacrylamiden

Also Published As

Publication number Publication date
EP0383514A1 (en) 1990-08-22
US4908100A (en) 1990-03-13
DD294527A5 (de) 1991-10-02
AU625547B2 (en) 1992-07-16
CA2009825A1 (en) 1990-08-13
JPH02259194A (ja) 1990-10-19
AU4972390A (en) 1990-08-16
NZ232400A (en) 1992-09-25

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: CALGON CORPORATION