GB1256373A - Flocculation of particles dispersed in aqueous media - Google Patents

Flocculation of particles dispersed in aqueous media

Info

Publication number
GB1256373A
GB1256373A GB4665469A GB4665469A GB1256373A GB 1256373 A GB1256373 A GB 1256373A GB 4665469 A GB4665469 A GB 4665469A GB 4665469 A GB4665469 A GB 4665469A GB 1256373 A GB1256373 A GB 1256373A
Authority
GB
United Kingdom
Prior art keywords
flocculation
aqueous media
particles dispersed
dimethylamine
tetramethyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4665469A
Inventor
Edward Witt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Temple Fields 515 Ltd
Original Assignee
Doverstrand Ltd
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 Doverstrand Ltd filed Critical Doverstrand Ltd
Publication of GB1256373A publication Critical patent/GB1256373A/en
Expired legal-status Critical Current

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
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/14—Coagulation
    • C08C1/15—Coagulation characterised by the coagulants used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,256,373. N,N,N - Tetramethyl - 2 - hydroxy- 1,3 - propane diamine. DOVERSTRAND Ltd. 22 Sept., 1969 [30 Sept., 1968], No. 46654/69. Heading C2C. [Also in Division C1] N,N,N<SP>1</SP>,N<SP>1</SP> - Tetramethyl - 2 - hydroxy - 1,3- propanediamine is prepared by heating dimethylamine and epichlorohydrin; adding sodium hydroxide to the reaction product; vacuum distilling to remove water and dimethylamine; extracting with alcohol to obtain the ditertiary amine and again vacuum distilling.
GB4665469A 1968-09-30 1969-09-22 Flocculation of particles dispersed in aqueous media Expired GB1256373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76397768A 1968-09-30 1968-09-30

Publications (1)

Publication Number Publication Date
GB1256373A true GB1256373A (en) 1971-12-08

Family

ID=25069351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4665469A Expired GB1256373A (en) 1968-09-30 1969-09-22 Flocculation of particles dispersed in aqueous media

Country Status (6)

Country Link
JP (1) JPS4932185B1 (en)
BE (1) BE739659A (en)
DE (1) DE1948301A1 (en)
FR (1) FR2027518A1 (en)
GB (1) GB1256373A (en)
NL (1) NL6914798A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008144070A1 (en) * 2007-05-21 2008-11-27 Dupont Performance Elastomers L.L.C. Process for coagulating fluoroelastomers

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106483A (en) * 1976-03-03 1977-09-07 Atsuo Hara Alminum foil coaxial cord
US4569991A (en) * 1982-01-26 1986-02-11 Mitsubishi Monsanto Chemical Company Production of thermoplastic resin
US4920176A (en) * 1988-12-05 1990-04-24 The B. F. Goodrich Company Nitrile emulsion polymers having improved adhesion properties

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008144070A1 (en) * 2007-05-21 2008-11-27 Dupont Performance Elastomers L.L.C. Process for coagulating fluoroelastomers
US7960480B2 (en) 2007-05-21 2011-06-14 Dupont Performance Elastomers L.L.C. Process for coagulating fluoroelastomers

Also Published As

Publication number Publication date
BE739659A (en) 1970-03-02
NL6914798A (en) 1970-04-01
FR2027518A1 (en) 1970-10-02
DE1948301A1 (en) 1970-09-03
JPS4932185B1 (en) 1974-08-28

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