DE68921731T2 - Rückhalte- und drainagehilfsmittel für die papierherstellung. - Google Patents

Rückhalte- und drainagehilfsmittel für die papierherstellung.

Info

Publication number
DE68921731T2
DE68921731T2 DE68921731T DE68921731T DE68921731T2 DE 68921731 T2 DE68921731 T2 DE 68921731T2 DE 68921731 T DE68921731 T DE 68921731T DE 68921731 T DE68921731 T DE 68921731T DE 68921731 T2 DE68921731 T2 DE 68921731T2
Authority
DE
Germany
Prior art keywords
cationic
restraint
improvement
alkali metal
drainage
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 - Lifetime
Application number
DE68921731T
Other languages
English (en)
Other versions
DE68921731D1 (de
Inventor
John Rushmere
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.)
Nouryon Pulp and Performance Chemicals AC Ltd
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE68921731D1 publication Critical patent/DE68921731D1/de
Application granted granted Critical
Publication of DE68921731T2 publication Critical patent/DE68921731T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21H3/00—Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body
    • 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
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/31—Gums
    • D21H17/32—Guar or other polygalactomannan gum
    • 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
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
DE68921731T 1988-01-13 1989-01-12 Rückhalte- und drainagehilfsmittel für die papierherstellung. Expired - Lifetime DE68921731T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14335088A 1988-01-13 1988-01-13
US07/213,484 US4927498A (en) 1988-01-13 1988-06-30 Retention and drainage aid for papermaking
PCT/US1989/000108 WO1989006638A2 (en) 1988-01-13 1989-01-12 Retention and drainage aid for papermaking

Publications (2)

Publication Number Publication Date
DE68921731D1 DE68921731D1 (de) 1995-04-20
DE68921731T2 true DE68921731T2 (de) 1995-10-19

Family

ID=26840944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921731T Expired - Lifetime DE68921731T2 (de) 1988-01-13 1989-01-12 Rückhalte- und drainagehilfsmittel für die papierherstellung.

Country Status (8)

Country Link
US (1) US4927498A (de)
EP (1) EP0378605B1 (de)
KR (1) KR910014567A (de)
AT (1) ATE119958T1 (de)
AU (1) AU616027B2 (de)
CA (1) CA1324703C (de)
DE (1) DE68921731T2 (de)
WO (1) WO1989006638A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110092458A (zh) * 2019-04-30 2019-08-06 重庆大学 一种改性淀粉－聚硅酸复合絮凝剂的制备方法及其应用

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US5185206A (en) * 1988-09-16 1993-02-09 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
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SE500387C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler, förfarande för framställning av silikasoler samt användning av solerna i pappersframställning
US5378399A (en) * 1990-01-31 1995-01-03 Industrial Progress, Inc. Functional complex microgels with rapid formation kinetics
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US5346546A (en) * 1991-07-22 1994-09-13 Industrial Progress, Inc. Aggregate-TiO2 pigment products
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110092458A (zh) * 2019-04-30 2019-08-06 重庆大学 一种改性淀粉－聚硅酸复合絮凝剂的制备方法及其应用

Also Published As

Publication number Publication date
AU616027B2 (en) 1991-10-17
DE68921731D1 (de) 1995-04-20
KR910014567A (ko) 1991-08-31
EP0378605B1 (de) 1995-03-15
AU3734589A (en) 1989-08-11
US4927498A (en) 1990-05-22
CA1324703C (en) 1993-11-30
EP0378605A4 (en) 1993-08-18
ATE119958T1 (de) 1995-04-15
WO1989006638A3 (en) 1989-09-21
WO1989006638A2 (en) 1989-07-27
EP0378605A1 (de) 1990-07-25

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