EP2914774A4 - Preflocculation of fillers used in papermaking - Google Patents

Preflocculation of fillers used in papermaking

Info

Publication number
EP2914774A4
EP2914774A4 EP20130850762 EP13850762A EP2914774A4 EP 2914774 A4 EP2914774 A4 EP 2914774A4 EP 20130850762 EP20130850762 EP 20130850762 EP 13850762 A EP13850762 A EP 13850762A EP 2914774 A4 EP2914774 A4 EP 2914774A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
preflocculation
papermaking
fillers used
fillers
used
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.)
Pending
Application number
EP20130850762
Other languages
German (de)
French (fr)
Other versions
EP2914774A1 (en )
Inventor
Weiguo Cheng
Katherin M Broadus
Dorota Smoron
Shawnee M Wilson
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.)
Nalco Company LLC
Original Assignee
Nalco Company LLC
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

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • D21H17/28Starch
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45Nitrogen-containing groups
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/06Paper forming aids
    • D21H21/10Retention agents or drainage improvers
EP20130850762 2007-09-12 2013-10-18 Preflocculation of fillers used in papermaking Pending EP2914774A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13665963 US8778140B2 (en) 2007-09-12 2012-11-01 Preflocculation of fillers used in papermaking
PCT/US2013/065732 WO2014070488A1 (en) 2012-11-01 2013-10-18 Preflocculation of fillers used in papermaking

Publications (2)

Publication Number Publication Date
EP2914774A1 true EP2914774A1 (en) 2015-09-09
EP2914774A4 true true EP2914774A4 (en) 2016-06-29

Family

ID=50627945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20130850762 Pending EP2914774A4 (en) 2007-09-12 2013-10-18 Preflocculation of fillers used in papermaking

Country Status (6)

Country Link
EP (1) EP2914774A4 (en)
JP (1) JP6300815B2 (en)
KR (1) KR20150079932A (en)
CN (1) CN104755673B (en)
CA (1) CA2885582A1 (en)
WO (1) WO2014070488A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3018175A1 (en) * 2014-11-07 2016-05-11 Omya International AG A process for the preparation of flocculated filler particles
EP3018176B1 (en) * 2014-11-07 2018-04-25 Omya International AG A process for the preparation of flocculated filler particles
WO2017177349A1 (en) * 2016-04-15 2017-10-19 合肥信拓高分子技术有限公司 Ternary filler system for paper/paperboard production and preparation method therefor

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050316A1 (en) * 1980-10-21 1982-04-28 Papeteries De Gascogne Process for preparing a sheet material with retention by paper-making techniques
EP0261820A1 (en) * 1986-09-09 1988-03-30 E.I. Du Pont De Nemours And Company Filler compositions and their use in manufacturing fibrous sheet materials
US4799964A (en) * 1985-07-29 1989-01-24 Grain Processing Corporation Preparation of filler compositions for paper
CA1306084C (en) * 1987-04-29 1992-08-11 Richard D. Harvey Preparation of filler compositions for paper
EP0534656A1 (en) * 1991-09-27 1993-03-31 Nalco Chemical Company Papermaking process
DE4436317A1 (en) * 1994-10-11 1996-04-18 Nalco Chemical Co Prodn. of paper with improved screen draining and retention
WO1997046591A1 (en) * 1996-05-30 1997-12-11 George Weston Foods Limited Cross-linked cationic starches and their use in papermaking
US20090267258A1 (en) * 2007-09-12 2009-10-29 Weiguo Cheng Controllable filler prefloculation using a dual polymer system
US20120199304A1 (en) * 2007-09-12 2012-08-09 Weiguo Cheng Controllable filler prefloculation using a dual polymer system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8531558D0 (en) * 1985-12-21 1986-02-05 Wiggins Teape Group Ltd Loaded paper
US5827398A (en) * 1996-02-13 1998-10-27 Allied Colloids Limited Production of filled paper
US5759346A (en) * 1996-09-27 1998-06-02 The Procter & Gamble Company Process for making smooth uncreped tissue paper containing fine particulate fillers
US6835282B2 (en) * 1998-10-16 2004-12-28 Grain Processing Corporation Paper web with pre-flocculated filler incorporated therein
EP1492923B1 (en) * 2002-04-09 2008-05-28 FPInnovations Swollen starch-latex compositions for use in papermaking
US8172983B2 (en) * 2007-09-12 2012-05-08 Nalco Company Controllable filler prefloculation using a dual polymer system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050316A1 (en) * 1980-10-21 1982-04-28 Papeteries De Gascogne Process for preparing a sheet material with retention by paper-making techniques
US4799964A (en) * 1985-07-29 1989-01-24 Grain Processing Corporation Preparation of filler compositions for paper
EP0261820A1 (en) * 1986-09-09 1988-03-30 E.I. Du Pont De Nemours And Company Filler compositions and their use in manufacturing fibrous sheet materials
CA1306084C (en) * 1987-04-29 1992-08-11 Richard D. Harvey Preparation of filler compositions for paper
EP0534656A1 (en) * 1991-09-27 1993-03-31 Nalco Chemical Company Papermaking process
DE4436317A1 (en) * 1994-10-11 1996-04-18 Nalco Chemical Co Prodn. of paper with improved screen draining and retention
WO1997046591A1 (en) * 1996-05-30 1997-12-11 George Weston Foods Limited Cross-linked cationic starches and their use in papermaking
US20090267258A1 (en) * 2007-09-12 2009-10-29 Weiguo Cheng Controllable filler prefloculation using a dual polymer system
US20120199304A1 (en) * 2007-09-12 2012-08-09 Weiguo Cheng Controllable filler prefloculation using a dual polymer system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014070488A1 *

Also Published As

Publication number Publication date Type
JP6300815B2 (en) 2018-03-28 grant
WO2014070488A1 (en) 2014-05-08 application
CN104755673A (en) 2015-07-01 application
EP2914774A1 (en) 2015-09-09 application
KR20150079932A (en) 2015-07-08 application
CN104755673B (en) 2017-12-15 grant
JP2015533392A (en) 2015-11-24 application
CA2885582A1 (en) 2014-05-08 application

Legal Events

Date Code Title Description
17P Request for examination filed

Effective date: 20150526

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent to

Countries concerned: BAME

DAX Request for extension of the european patent (to any country) deleted
RA4 Date and kind of supplementary search report (correction)

Effective date: 20160527

RIC1 Classification (correction)

Ipc: D21H 17/67 20060101AFI20160520BHEP

Ipc: D21H 17/41 20060101ALI20160520BHEP

Ipc: D21H 17/63 20060101ALI20160520BHEP

Ipc: D21H 17/28 20060101ALI20160520BHEP