GB859834A - Improvements in or relating to ion-exchange resins - Google Patents

Improvements in or relating to ion-exchange resins

Info

Publication number
GB859834A
GB859834A GB1298/58A GB129858A GB859834A GB 859834 A GB859834 A GB 859834A GB 1298/58 A GB1298/58 A GB 1298/58A GB 129858 A GB129858 A GB 129858A GB 859834 A GB859834 A GB 859834A
Authority
GB
United Kingdom
Prior art keywords
phosphonate
polymeric
hydrogen
alkyl
reaction
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
GB1298/58A
Inventor
John Kennedy
Geoffrey Ernest Ficken
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB1298/58A priority Critical patent/GB859834A/en
Publication of GB859834A publication Critical patent/GB859834A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/40—Introducing phosphorus atoms or phosphorus-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F112/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F112/02—Monomers containing only one unsaturated aliphatic radical
    • C08F112/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F112/14—Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing heteroatoms
    • C08F112/26—Nitrogen
    • C08F112/28—Amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Amphoteric ion exchange polymers are derived from monomeric dialkyl or diaryl hydrogen phosphates by reaction of the phosphonates with suitable polymeric materials followed by partial hydrolysis to introduce the amphoteric properties. The resulting polymers have the structural unit formula: <FORM:0859834/IV(a)/1> where R is an alkyl or aryl group, R1 and R2 are alkyl or aryl groups or hydrogen atoms or comprise a unit of a polymeric chain, and R3 and R4 are alkyl or aryl groups or hydrogen atoms or comprise a unit of a polymeric chain or together with the nitrogen atom form a piperidine or morpholine group, but are not both hydrogen atoms, at least one of R1, R2, R3 and R4 being a unit of a polymeric hydrocarbon chain. Examples are given of the preparation of the following polymeric hydrocarbon chains: (1) acetaldehyde-aminomethyl polystyrene, (2) pyridine-2-aldehyde-imino polystyrene, (3) resacetophenone-formaldehyde-ethylamine condensate and (4) diazotised amino polystyrene. Hydrocarbon chains (1)-(3) are converted into the ion exchange resin by reaction with diethyl hydrogen phosphonate and hydrocarbon chain (4) is converted by reaction with diethyl alpha-ethylamine ortho-hydroxybenzyl phosphonate (see Group IV(b). The amphoteric properties are introduced by treatment with hydrobromic acid followed by aqueous sodium hydroxide. Specification 855,009 is referred to.ALSO:Diethyl alpha-ethylamino orthohydroxybenzyl phosphonate is prepared by refluxing a mixture of salicylaldehydeethylimine and diethy hydrogen phosphonate in xylene. The product is in the form of colourless crystallinie plates of melting point 305 DEG -306 DEG C. Specification 855,009 is referred to.
GB1298/58A 1958-01-14 1958-01-14 Improvements in or relating to ion-exchange resins Expired GB859834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1298/58A GB859834A (en) 1958-01-14 1958-01-14 Improvements in or relating to ion-exchange resins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1298/58A GB859834A (en) 1958-01-14 1958-01-14 Improvements in or relating to ion-exchange resins

Publications (1)

Publication Number Publication Date
GB859834A true GB859834A (en) 1961-01-25

Family

ID=9719547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1298/58A Expired GB859834A (en) 1958-01-14 1958-01-14 Improvements in or relating to ion-exchange resins

Country Status (1)

Country Link
GB (1) GB859834A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002947A1 (en) * 1982-02-25 1983-09-01 Duolite Int Sa Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
US4442231A (en) * 1981-04-23 1984-04-10 Sumitomo Chemical Company, Limited Aminophosphonic acid chelate resin
WO1989012652A1 (en) * 1988-06-16 1989-12-28 The Dow Chemical Company Process for preparing an aminomethylphosphonic chelating resin
EP0352949A1 (en) * 1988-07-18 1990-01-31 The Dow Chemical Company Ion exchange resin beads and processes for preparing them

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442231A (en) * 1981-04-23 1984-04-10 Sumitomo Chemical Company, Limited Aminophosphonic acid chelate resin
WO1983002947A1 (en) * 1982-02-25 1983-09-01 Duolite Int Sa Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
EP0087934A1 (en) * 1982-02-25 1983-09-07 Duolite International S.A. Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
WO1989012652A1 (en) * 1988-06-16 1989-12-28 The Dow Chemical Company Process for preparing an aminomethylphosphonic chelating resin
EP0350172A2 (en) * 1988-06-16 1990-01-10 The Dow Chemical Company Process for preparing an aminomethylphosphonic chelating resin
EP0350172A3 (en) * 1988-06-16 1990-03-14 The Dow Chemical Company Process for preparing an aminomethylphosphonic chelating resin
US5109074A (en) * 1988-06-16 1992-04-28 The Dow Chemical Company Process for preparing an aminomethylphosphonic chelating resin
EP0352949A1 (en) * 1988-07-18 1990-01-31 The Dow Chemical Company Ion exchange resin beads and processes for preparing them

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