BR8904652A - Metodo para melhorar a retencao e a drenagem em um processo de fabricacao de papel;e processo de fabricacao de papel - Google Patents

Metodo para melhorar a retencao e a drenagem em um processo de fabricacao de papel;e processo de fabricacao de papel

Info

Publication number
BR8904652A
BR8904652A BR898904652A BR8904652A BR8904652A BR 8904652 A BR8904652 A BR 8904652A BR 898904652 A BR898904652 A BR 898904652A BR 8904652 A BR8904652 A BR 8904652A BR 8904652 A BR8904652 A BR 8904652A
Authority
BR
Brazil
Prior art keywords
manufacturing process
paper manufacturing
drainage
improve retention
paper
Prior art date
Application number
BR898904652A
Other languages
English (en)
Inventor
John Derek Rushmere
Original Assignee
Du Pont
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 US07/388,967 external-priority patent/US4954220A/en
Application filed by Du Pont filed Critical Du Pont
Publication of BR8904652A publication Critical patent/BR8904652A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
    • 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
    • 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
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Colloid Chemistry (AREA)
BR898904652A 1988-09-16 1989-09-15 Metodo para melhorar a retencao e a drenagem em um processo de fabricacao de papel;e processo de fabricacao de papel BR8904652A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24518488A 1988-09-16 1988-09-16
US07/388,967 US4954220A (en) 1988-09-16 1989-08-07 Polysilicate microgels as retention/drainage aids in papermaking

Publications (1)

Publication Number Publication Date
BR8904652A true BR8904652A (pt) 1990-05-08

Family

ID=26937053

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904652A BR8904652A (pt) 1988-09-16 1989-09-15 Metodo para melhorar a retencao e a drenagem em um processo de fabricacao de papel;e processo de fabricacao de papel

Country Status (10)

Country Link
EP (1) EP0359552B1 (pt)
JP (1) JP2940953B2 (pt)
AU (1) AU615401B2 (pt)
BR (1) BR8904652A (pt)
CA (1) CA1333841C (pt)
DE (1) DE68906623T2 (pt)
ES (1) ES2055084T3 (pt)
FI (1) FI95826C (pt)
MX (1) MX165529B (pt)
NO (1) NO174935C (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927498A (en) * 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking
US5185206A (en) * 1988-09-16 1993-02-09 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
US5167766A (en) * 1990-06-18 1992-12-01 American Cyanamid Company Charged organic polymer microbeads in paper making process
SE502192C2 (sv) * 1990-12-11 1995-09-11 Eka Nobel Ab Upplösningsförfarande avsett för en lösning innehållande höghaltjoniserad stärkelse
SE9003954L (sv) * 1990-12-11 1992-06-12 Eka Nobel Ab Saett foer framstaellning av ark- eller banformiga cellulosafiberinnehaallande produkter
US5279807A (en) * 1992-05-26 1994-01-18 E. I. Du Pont De Nemours And Company Method for preparing low-concentration polysilicate microgels
US5648055A (en) * 1992-05-26 1997-07-15 E. I. Du Pont De Nemours And Company Method for preparing low-concentration polyaluminosilicate microgels
US5503820A (en) * 1992-05-26 1996-04-02 E. I. Du Pont De Nemours And Company Method for preparing low-concentration polysilicate microgels
US5980836A (en) * 1992-05-26 1999-11-09 E. I. Du Pont De Nemours And Company Apparatus for preparing low-concentration polyaluminosilicate microgels
SE501216C2 (sv) * 1992-08-31 1994-12-12 Eka Nobel Ab Vattenhaltig, stabil suspension av kolloidala partiklar samt framställning och användning av densamma
US5584966A (en) * 1994-04-18 1996-12-17 E. I. Du Pont De Nemours And Company Paper formation
CA2197301A1 (en) * 1994-08-12 1996-02-22 Donald Kendall Drummond Synthetic mineral microparticles for retention aid systems
SE9600285D0 (sv) 1996-01-26 1996-01-26 Eka Nobel Ab Modification of starch
EP1621518B1 (en) 1997-06-09 2010-08-11 Akzo Nobel N.V. Polysilicate microgels
KR100372358B1 (ko) * 1997-06-09 2003-02-17 악조 노벨 엔.브이. 폴리실리케이트 마이크로겔과 실리카 기초물질
KR100573343B1 (ko) * 1997-06-13 2006-04-24 이 아이 듀폰 디 네모아 앤드 캄파니 저-농도 폴리알루미노실리케이트 마이크로겔의 개선된제조 방법
AU2003236319A1 (en) 2002-04-03 2003-10-13 Seiko Pmc Corporation Method for producing paper and agent for improving yield
CA2664490A1 (en) * 2006-09-27 2008-04-03 Ciba Holding Inc. Siliceous composition and its use in papermaking
CN104947499B (zh) * 2013-12-18 2018-01-19 艺康美国股份有限公司 硅溶胶、制备其的设备和方法和其在造纸中的应用
EP3757283A4 (en) * 2018-02-21 2021-12-01 Nippon Paper Industries Co., Ltd. COMPOSITE FIBER AND ITS MANUFACTURING PROCESS

Family Cites Families (5)

* 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
SE8403062L (sv) * 1984-06-07 1985-12-08 Eka Ab Forfarande vid papperstillverkning
US4795531A (en) * 1987-09-22 1989-01-03 Nalco Chemical Company Method for dewatering paper
US4927498A (en) * 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking
SE461156B (sv) * 1988-05-25 1990-01-15 Eka Nobel Ab Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra

Also Published As

Publication number Publication date
JPH02229297A (ja) 1990-09-12
EP0359552A2 (en) 1990-03-21
ES2055084T3 (es) 1994-08-16
FI95826C (fi) 1996-03-25
FI894362A0 (fi) 1989-09-15
NO174935B (no) 1994-04-25
EP0359552B1 (en) 1993-05-19
AU615401B2 (en) 1991-09-26
FI95826B (fi) 1995-12-15
CA1333841C (en) 1995-01-10
NO174935C (no) 1994-08-03
DE68906623T2 (de) 1993-11-11
AU4136389A (en) 1990-03-22
EP0359552A3 (en) 1991-11-27
NO893703L (no) 1990-03-19
FI894362A (fi) 1990-03-17
DE68906623D1 (de) 1993-06-24
MX165529B (es) 1992-11-18
JP2940953B2 (ja) 1999-08-25
NO893703D0 (no) 1989-09-15

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG Letter patent granted
PCP Transfer pending
PC Transfer

Free format text: EKA CHEMICALS (AC) LIMITED (GB), INTERLATES LIMITED (GB)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 15/09/2009

B15K Others concerning applications: alteration of classification

Ipc: C01B 33/143 (2006.01), D21H 17/45 (2006.0