IT989784B - Processo per preparare polimeri di dimetilamina epicloridrina ammoniaca e relativo prodotto - Google Patents

Processo per preparare polimeri di dimetilamina epicloridrina ammoniaca e relativo prodotto

Info

Publication number
IT989784B
IT989784B IT5130573A IT5130573A IT989784B IT 989784 B IT989784 B IT 989784B IT 5130573 A IT5130573 A IT 5130573A IT 5130573 A IT5130573 A IT 5130573A IT 989784 B IT989784 B IT 989784B
Authority
IT
Italy
Prior art keywords
epichlorhydrine
dimethylamine
ammonia
related product
prepare polymers
Prior art date
Application number
IT5130573A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT989784B publication Critical patent/IT989784B/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
    • C08G73/0213—Preparatory process
    • C08G73/022—Preparatory process from polyamines and epihalohydrins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Epoxy Resins (AREA)
IT5130573A 1972-09-20 1973-07-06 Processo per preparare polimeri di dimetilamina epicloridrina ammoniaca e relativo prodotto IT989784B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29059172A 1972-09-20 1972-09-20

Publications (1)

Publication Number Publication Date
IT989784B true IT989784B (it) 1975-06-10

Family

ID=23116691

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5130573A IT989784B (it) 1972-09-20 1973-07-06 Processo per preparare polimeri di dimetilamina epicloridrina ammoniaca e relativo prodotto

Country Status (8)

Country Link
JP (1) JPS5137960B2 (xx)
CA (1) CA1000445A (xx)
DE (1) DE2332776A1 (xx)
ES (1) ES417410A1 (xx)
FR (1) FR2200317B1 (xx)
GB (1) GB1408111A (xx)
IT (1) IT989784B (xx)
SE (1) SE408181B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62155994A (ja) * 1985-12-27 1987-07-10 Mitsubishi Monsanto Chem Co 活性汚泥のバルキング防止剤及びそのバルキング防止方法
USRE34127E (en) * 1985-12-27 1992-11-17 Mitsubishi Kasei Polytec Company Method for preventing the bulking of activated sludge
WO2019044312A1 (ja) * 2017-08-31 2019-03-07 オルガノ株式会社 水処理方法および水処理装置

Also Published As

Publication number Publication date
GB1408111A (en) 1975-10-01
CA1000445A (en) 1976-11-23
SE408181B (sv) 1979-05-21
FR2200317A1 (xx) 1974-04-19
JPS5137960B2 (xx) 1976-10-19
ES417410A1 (es) 1976-03-01
FR2200317B1 (xx) 1976-11-12
JPS4971098A (xx) 1974-07-09
DE2332776A1 (de) 1974-04-11

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