GB858588A - Process for modifying natural silicate clays - Google Patents

Process for modifying natural silicate clays

Info

Publication number
GB858588A
GB858588A GB3852357A GB3852357A GB858588A GB 858588 A GB858588 A GB 858588A GB 3852357 A GB3852357 A GB 3852357A GB 3852357 A GB3852357 A GB 3852357A GB 858588 A GB858588 A GB 858588A
Authority
GB
United Kingdom
Prior art keywords
clay
base
sepiolite
reacted
salt
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
GB3852357A
Inventor
Antonio Stuart Norwood
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.)
FULLER S EARTH UNION Ltd
Original Assignee
FULLER S EARTH UNION 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 FULLER S EARTH UNION Ltd filed Critical FULLER S EARTH UNION Ltd
Priority to GB3852357A priority Critical patent/GB858588A/en
Publication of GB858588A publication Critical patent/GB858588A/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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth

Abstract

An organophilic cation-modified clay is produced by reacting a suspension of a natural silicate clay, having a base exchange capacity of 20 to 25 milliequivalents per 100 grams of clay in the form of particles less than 5 microns, preferably less than 1 micron, with a salt of a base having in the cation at least one organic radical covalently attached to a polyvalent atom, thereby imparting to the clay particles a substantial gel characteristic in liquid paraffin. Suitable substances are amine and quaternary ammonium salts and similar compounds having arsenic, antimony, tellurium, oxygen, or sulphur in place of the nitrogen atom. Preferably the organic radical has at least 10 carbon atoms in a straight chain or at least 6 carbon atoms in a ring as in cyclohexane. The clay suspension may either be in an aqueous or organic liquid medium. In a modification of the process the clay is first reacted with a mineral acid to convert it to the hydrogen form, and is then reacted with a base capable of forming a salt as specified above. A preferred clay is Sepiolite. In examples dimethyl dioctadecylammonium chloride and cyclohexylamine are employed to modify sepiolite. Specification 664,830 is referred to.
GB3852357A 1957-12-11 1957-12-11 Process for modifying natural silicate clays Expired GB858588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3852357A GB858588A (en) 1957-12-11 1957-12-11 Process for modifying natural silicate clays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3852357A GB858588A (en) 1957-12-11 1957-12-11 Process for modifying natural silicate clays

Publications (1)

Publication Number Publication Date
GB858588A true GB858588A (en) 1961-01-11

Family

ID=10404039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3852357A Expired GB858588A (en) 1957-12-11 1957-12-11 Process for modifying natural silicate clays

Country Status (1)

Country Link
GB (1) GB858588A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298889A2 (en) * 1987-07-01 1989-01-11 Tolsa S.A. A process for bleaching and increasing the ion exchange capability of sepiolite
WO2002007875A1 (en) * 2000-07-19 2002-01-31 Nutek, S.A. De C.V. Method for preparing organoaluminum silicates and their use in balanced animal feed
CN114406184A (en) * 2021-12-31 2022-04-29 来安县科来兴实业有限责任公司 Lost foam processing technology of casting mold core

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298889A2 (en) * 1987-07-01 1989-01-11 Tolsa S.A. A process for bleaching and increasing the ion exchange capability of sepiolite
EP0298889A3 (en) * 1987-07-01 1989-03-29 Tolsa S.A. A process for bleaching and increasing the ion exchange capability of sepiolite
WO2002007875A1 (en) * 2000-07-19 2002-01-31 Nutek, S.A. De C.V. Method for preparing organoaluminum silicates and their use in balanced animal feed
CN114406184A (en) * 2021-12-31 2022-04-29 来安县科来兴实业有限责任公司 Lost foam processing technology of casting mold core

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