IT1009425B - Procedimento d uso di eteri di cel lulosa contenenti azoto terziario in funzione di agenti aggreganti - Google Patents

Procedimento d uso di eteri di cel lulosa contenenti azoto terziario in funzione di agenti aggreganti

Info

Publication number
IT1009425B
IT1009425B IT6810374A IT6810374A IT1009425B IT 1009425 B IT1009425 B IT 1009425B IT 6810374 A IT6810374 A IT 6810374A IT 6810374 A IT6810374 A IT 6810374A IT 1009425 B IT1009425 B IT 1009425B
Authority
IT
Italy
Prior art keywords
lulosa
cel
procedure
function
tertiary nitrogen
Prior art date
Application number
IT6810374A
Other languages
English (en)
Original Assignee
Modokemi Ab
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 Modokemi Ab filed Critical Modokemi Ab
Application granted granted Critical
Publication of IT1009425B publication Critical patent/IT1009425B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/26—Ethers thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Biochemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
IT6810374A 1973-04-05 1974-04-05 Procedimento d uso di eteri di cel lulosa contenenti azoto terziario in funzione di agenti aggreganti IT1009425B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7304844A SE379222B (it) 1973-04-05 1973-04-05

Publications (1)

Publication Number Publication Date
IT1009425B true IT1009425B (it) 1976-12-10

Family

ID=20317127

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6810374A IT1009425B (it) 1973-04-05 1974-04-05 Procedimento d uso di eteri di cel lulosa contenenti azoto terziario in funzione di agenti aggreganti

Country Status (6)

Country Link
BR (1) BR7402743D0 (it)
DE (1) DE2416021B2 (it)
FR (1) FR2224484B1 (it)
GB (1) GB1474551A (it)
IT (1) IT1009425B (it)
SE (1) SE379222B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT394859B (de) * 1988-12-16 1992-07-10 Brigl & Bergmeister Bodenverbesserungsmittel
DE4018287A1 (de) * 1990-06-07 1991-12-12 Sued Chemie Ag Flockungsmittel
GB2323100B (en) * 1996-11-29 2001-06-06 Cellcat Gmbh Polysaccharide particles, method for producing them and their use
JP2007515567A (ja) * 2003-12-22 2007-06-14 アクゾ　ノーベル　ナムローゼ　フェンノートシャップ 第４級窒素含有セルロースエーテルを含んでいる紙
DE102004035869A1 (de) * 2004-07-23 2006-03-16 Wolff Cellulosics Gmbh & Co. Kg Verfahren zur Herstellung von aminogruppenhaltigen Cellulosederivaten sowie deren Verwendung in kosmetischen Zubereitungen der Wasseraufbereitung und der Papierherstellung
DE102004035870A1 (de) * 2004-07-23 2006-02-09 Wolff Cellulosics Gmbh & Co. Kg Verfahren zur Herstellung aminoalkylgruppenhaltiger Polysaccharide und Polysaccharidderivate

Also Published As

Publication number Publication date
FR2224484B1 (it) 1976-10-08
FR2224484A1 (it) 1974-10-31
BR7402743D0 (pt) 1974-11-05
SE379222B (it) 1975-09-29
DE2416021B2 (de) 1978-10-05
GB1474551A (en) 1977-05-25
DE2416021A1 (de) 1974-10-24

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