BR0012251A - Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga - Google Patents

Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga

Info

Publication number
BR0012251A
BR0012251A BR0012251-3A BR0012251A BR0012251A BR 0012251 A BR0012251 A BR 0012251A BR 0012251 A BR0012251 A BR 0012251A BR 0012251 A BR0012251 A BR 0012251A
Authority
BR
Brazil
Prior art keywords
retention
increase
pulp
molecular weight
high molecular
Prior art date
Application number
BR0012251-3A
Other languages
English (en)
Inventor
Phillip W Carter
Patrick Gerard Murray
Larry E Brammer Jr
Andrew J Dunham
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 BR0012251A publication Critical patent/BR0012251A/pt

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
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/32Polymerisation in water-in-oil emulsions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52Amides or imides
    • C08F220/54Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52Amides or imides
    • C08F220/54Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56Acrylamide; Methacrylamide
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)

Abstract

"POLìMERO ZWITERIÈNICO SOLúVEL EM áGUA DE ALTO PESO MOLECULAR, E, MéTODOS PARA AUMENTAR A RETENçãO E A DRENAGEM EM SUSPENSõES DE POLPA FIBRO SAS DURANTE O PROCESSAMENTO DA REFERIDA POLPA, PARA REMOVER SóLIDOS SUSPENSOS E CLARIFICAR áGUA BRANCA NO PROCESSO DE FABRICAçãO DE PAPEL, E PARA AUMENTAR A RETENçãO DE CARGA". Esta invenção é dirigida a polímeros zwiteriónicos de alto peso molecular derivados a partir de unidades de monómero zwiteriónicas e não-iónicas, e ao uso dos polímeros em processos de fabricação de papel.
BR0012251-3A 1999-07-07 2000-06-28 Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga BR0012251A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/349,054 US6313246B1 (en) 1999-07-07 1999-07-07 High molecular weight zwitterionic polymers
PCT/US2000/017841 WO2001004201A1 (en) 1999-07-07 2000-06-28 High molecular weight zwitterionic polymers

Publications (1)

Publication Number Publication Date
BR0012251A true BR0012251A (pt) 2002-03-26

Family

ID=23370724

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012251-3A BR0012251A (pt) 1999-07-07 2000-06-28 Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga

Country Status (14)

Country Link
US (2) US6313246B1 (pt)
EP (1) EP1198503A4 (pt)
JP (2) JP4132017B2 (pt)
KR (1) KR100596068B1 (pt)
CN (1) CN100334149C (pt)
AR (1) AR024673A1 (pt)
AU (1) AU5776000A (pt)
BR (1) BR0012251A (pt)
CA (1) CA2377859C (pt)
MX (1) MXPA02000149A (pt)
NO (1) NO20020033L (pt)
NZ (1) NZ516417A (pt)
TW (1) TWI254728B (pt)
WO (1) WO2001004201A1 (pt)

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Also Published As

Publication number Publication date
US6313246B1 (en) 2001-11-06
KR20020034153A (ko) 2002-05-08
EP1198503A1 (en) 2002-04-24
MXPA02000149A (es) 2002-07-02
NO20020033D0 (no) 2002-01-04
WO2001004201A1 (en) 2001-01-18
CN1359408A (zh) 2002-07-17
NO20020033L (no) 2002-03-05
JP4132017B2 (ja) 2008-08-13
AU5776000A (en) 2001-01-30
AR024673A1 (es) 2002-10-23
CA2377859C (en) 2010-10-19
CN100334149C (zh) 2007-08-29
EP1198503A4 (en) 2005-03-02
NZ516417A (en) 2003-09-26
US6590051B1 (en) 2003-07-08
CA2377859A1 (en) 2001-01-18
JP2003504476A (ja) 2003-02-04
JP2008174897A (ja) 2008-07-31
KR100596068B1 (ko) 2006-07-03
TWI254728B (en) 2006-05-11

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