GB611914A - Method of purifying sols - Google Patents

Method of purifying sols

Info

Publication number
GB611914A
GB611914A GB240?7/45D GB2400745D GB611914A GB 611914 A GB611914 A GB 611914A GB 2400745 D GB2400745 D GB 2400745D GB 611914 A GB611914 A GB 611914A
Authority
GB
United Kingdom
Prior art keywords
sols
regenerated
open
inspection under
under sect
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
GB240?7/45D
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.)
ChampionX LLC
Original Assignee
National Aluminate Corp
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 National Aluminate Corp filed Critical National Aluminate Corp
Publication of GB611914A publication Critical patent/GB611914A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004—Preparation of sols
    • B01J13/0008—Sols of inorganic materials in water
    • B01J13/0017—Sols of inorganic materials in water by extraction of ions from aqueous solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Colloid Chemistry (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

Electrolyte free colloidal sols having from 1 to 3 per cent colloidally dispersed acidic oxides are produced by removing the electrolyte therefrom by passing the sol in series through a cation-exchange material and an anion-exchange material. The sols may be produced by neutralizing an alkali metal salt of an acidic oxide, such as silica, tungstic oxide, molybdenum oxide or vanadium oxide, with an acid, such as hydrochloric or sulphuric acid, or other acidic substance. The cation-exchange material is preferably one which has been regenerated by an acid and the anion-exchange material is preferably a resinous type which has been regenerated by an alkali. Specification 20400/47, as open to inspection under Sect. 91, is referred to. The Specification as open to inspection under Sect. 91 describes also the preparation of electrolyte free sols of rubber latex, soaps, polyacrylic acid salts, albuminoids, polyvinyl alcohol, rubber, polystyrene, gums, resins, and degraded starches. This subject-matter does not appear in the Specification as accepted.ALSO:The Specification as open to inspection under Sect. 91 describes the preparation of electrolyte free colloidal sols of polyacrylic acid salts, polyvinyl alcohol and polystyrene by removal of electrolytes by passing the sols in series through cation and anion exchange materials, the former being preferably acid regenerated and the latter being preferably of a resinous type and alkali regenerated. This subject-matter does not appear in the Specification as accepted. Specification 20400/47, as open to inspection under Sect. 91, is referred to.ALSO:The Specification as open to inspection under Sect. 91 describes the preparation of electrolyte free colloidal sols of rubber, rubber latex and degraded starches by removal of electrolytes by passing the sols in series through cation and anion exchange materials, the former being preferably acid regenerated and the latter being preferably of a resinous type and alkali regenerated. This subject matter does not appear in the Specification as accepted. Specification 20400/47, as open to inspection under Sect. 91, is referred to.
GB240?7/45D 1944-10-26 1945-09-18 Method of purifying sols Expired GB611914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US611914XA 1944-10-26 1944-10-26

Publications (1)

Publication Number Publication Date
GB611914A true GB611914A (en) 1948-11-05

Family

ID=22034221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB240?7/45D Expired GB611914A (en) 1944-10-26 1945-09-18 Method of purifying sols

Country Status (1)

Country Link
GB (1) GB611914A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750345A (en) * 1954-02-25 1956-06-12 Du Pont Process for producing sols of 5-8 millimicron silica particles, and product
US2921913A (en) * 1956-05-01 1960-01-19 Du Pont Silica organosols
US2974105A (en) * 1956-05-01 1961-03-07 Du Pont Silica organosols and their preparation
US2980608A (en) * 1956-11-07 1961-04-18 United States Steel Corp Method of flocculating suspended solids
US3051657A (en) * 1958-09-19 1962-08-28 Monsanto Chemicals Process of decreasing the salt content of an acidic silica hydro-organosol
US3051658A (en) * 1958-09-19 1962-08-28 Monsanto Chemicals Process of decreasing the salt content of an acidic silica hydro-organosol
US3136728A (en) * 1958-09-19 1964-06-09 Monsanto Co Process of decreasing the salt content of an acidic silica hydro-organosol
US3175981A (en) * 1961-03-14 1965-03-30 Monsanto Co Method for producing silica hydro-organosols

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750345A (en) * 1954-02-25 1956-06-12 Du Pont Process for producing sols of 5-8 millimicron silica particles, and product
US2921913A (en) * 1956-05-01 1960-01-19 Du Pont Silica organosols
US2974105A (en) * 1956-05-01 1961-03-07 Du Pont Silica organosols and their preparation
US2980608A (en) * 1956-11-07 1961-04-18 United States Steel Corp Method of flocculating suspended solids
US3051657A (en) * 1958-09-19 1962-08-28 Monsanto Chemicals Process of decreasing the salt content of an acidic silica hydro-organosol
US3051658A (en) * 1958-09-19 1962-08-28 Monsanto Chemicals Process of decreasing the salt content of an acidic silica hydro-organosol
US3136728A (en) * 1958-09-19 1964-06-09 Monsanto Co Process of decreasing the salt content of an acidic silica hydro-organosol
US3175981A (en) * 1961-03-14 1965-03-30 Monsanto Co Method for producing silica hydro-organosols

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