IT1023071B - Procedimento per la produzione di sali polietilen poliamminici di bassa viscosita - Google Patents

Procedimento per la produzione di sali polietilen poliamminici di bassa viscosita

Info

Publication number
IT1023071B
IT1023071B IT53512/74A IT5351274A IT1023071B IT 1023071 B IT1023071 B IT 1023071B IT 53512/74 A IT53512/74 A IT 53512/74A IT 5351274 A IT5351274 A IT 5351274A IT 1023071 B IT1023071 B IT 1023071B
Authority
IT
Italy
Prior art keywords
procedure
production
low viscosity
polyethylene polyamine
polyamine salts
Prior art date
Application number
IT53512/74A
Other languages
English (en)
Original Assignee
Bayer Ag
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 DE19732351754 external-priority patent/DE2351754C3/de
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1023071B publication Critical patent/IT1023071B/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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/02—Polyamines
    • C08G73/0206—Polyalkylene(poly)amines
    • 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
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/56—Polyamines; Polyimines; Polyester-imides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polyamides (AREA)
  • Paper (AREA)
IT53512/74A 1973-10-16 1974-10-14 Procedimento per la produzione di sali polietilen poliamminici di bassa viscosita IT1023071B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732351754 DE2351754C3 (de) 1973-10-16 Verfahren zur Herstellung von Poh/äthylenpolyaminsalzen

Publications (1)

Publication Number Publication Date
IT1023071B true IT1023071B (it) 1978-05-10

Family

ID=5895501

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53512/74A IT1023071B (it) 1973-10-16 1974-10-14 Procedimento per la produzione di sali polietilen poliamminici di bassa viscosita

Country Status (9)

Country Link
US (1) US3972939A (it)
JP (1) JPS5747689B2 (it)
BE (1) BE821030A (it)
CH (1) CH609993A5 (it)
ES (1) ES431077A1 (it)
FR (1) FR2247488B1 (it)
GB (1) GB1430906A (it)
IT (1) IT1023071B (it)
NL (1) NL7413486A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216307A (en) * 1977-09-29 1980-08-05 Nippon Oil Company, Ltd. Polyhexamethylenimine and process for its preparation
DE2802487A1 (de) * 1978-01-20 1979-07-26 Bayer Ag Polyamine
US4939369A (en) * 1988-10-04 1990-07-03 Loral Fairchild Corporation Imaging and tracking sensor designed with a sandwich structure
US5210307A (en) * 1988-12-20 1993-05-11 The Dow Chemical Company Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines
US5166442A (en) * 1988-12-20 1992-11-24 The Dow Chemical Company Catalytic reforming of alkyleneamines
DE19529602A1 (de) * 1995-08-11 1997-02-13 Bayer Ag Verbessertes Verfahren zur Spaltung von Ölemulsionen
DE19740787A1 (de) * 1997-09-17 1999-03-18 Bayer Ag Verfahren zur Verbesserung der Plastizität von keramischen Massen und Umkehr dieser Wirkung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751474A (en) * 1971-01-28 1973-08-07 Nalco Chemical Co Method of preparing nontoxic polyamines

Also Published As

Publication number Publication date
FR2247488B1 (it) 1978-11-24
JPS5067900A (it) 1975-06-06
BE821030A (fr) 1975-04-14
NL7413486A (nl) 1975-04-18
ES431077A1 (es) 1976-10-16
CH609993A5 (it) 1979-03-30
FR2247488A1 (it) 1975-05-09
US3972939A (en) 1976-08-03
GB1430906A (en) 1976-04-07
JPS5747689B2 (it) 1982-10-12
DE2351754B2 (de) 1976-09-09
DE2351754A1 (de) 1975-04-17

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