CA2005896A1 - High molecular weight dadmac/acrylamide copolymers as retention aids - Google Patents

High molecular weight dadmac/acrylamide copolymers as retention aids

Info

Publication number
CA2005896A1
CA2005896A1 CA002005896A CA2005896A CA2005896A1 CA 2005896 A1 CA2005896 A1 CA 2005896A1 CA 002005896 A CA002005896 A CA 002005896A CA 2005896 A CA2005896 A CA 2005896A CA 2005896 A1 CA2005896 A1 CA 2005896A1
Authority
CA
Canada
Prior art keywords
paper
pulp
acrylamide
molecular weight
weight percent
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.)
Abandoned
Application number
CA002005896A
Other languages
English (en)
French (fr)
Inventor
Paul F. Richardson
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.)
ChampionX LLC
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
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of CA2005896A1 publication Critical patent/CA2005896A1/en
Abandoned 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
    • D21H17/20—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
CA002005896A 1989-08-23 1989-12-18 High molecular weight dadmac/acrylamide copolymers as retention aids Abandoned CA2005896A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39722489A 1989-08-23 1989-08-23
US397,224 1989-08-23

Publications (1)

Publication Number Publication Date
CA2005896A1 true CA2005896A1 (en) 1991-02-23

Family

ID=23570335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002005896A Abandoned CA2005896A1 (en) 1989-08-23 1989-12-18 High molecular weight dadmac/acrylamide copolymers as retention aids

Country Status (6)

Country Link
EP (1) EP0414496A1 (de)
AU (1) AU5113090A (de)
CA (1) CA2005896A1 (de)
FI (1) FI902129A0 (de)
MX (1) MX174066B (de)
ZA (1) ZA902389B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169497A (en) * 1991-10-07 1992-12-08 Nalco Chemical Company Application of enzymes and flocculants for enhancing the freeness of paper making pulp
WO2001063050A1 (en) * 2000-02-24 2001-08-30 Calgon Corporation An organic coagulant composition for treating coated broke

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI272374A (de) * 1973-10-01 1975-04-02 Calgon Corp
JPH0615757B2 (ja) * 1985-04-30 1994-03-02 住友化学工業株式会社 紙の製造方法
KR0159921B1 (ko) * 1988-10-03 1999-01-15 마이클 비. 키한 양이온성 및 음이온성 중합체의 혼합물, 그 제법 및 종이용 건조강도 개선 첨가제로서의 용도

Also Published As

Publication number Publication date
ZA902389B (en) 1991-03-27
AU5113090A (en) 1991-02-28
MX174066B (es) 1994-04-19
EP0414496A1 (de) 1991-02-27
FI902129A0 (fi) 1990-04-27

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead