FR2004466A1 - Subdivided exfoliated vermiculite - Google Patents

Subdivided exfoliated vermiculite

Info

Publication number
FR2004466A1
FR2004466A1 FR6908461A FR6908461A FR2004466A1 FR 2004466 A1 FR2004466 A1 FR 2004466A1 FR 6908461 A FR6908461 A FR 6908461A FR 6908461 A FR6908461 A FR 6908461A FR 2004466 A1 FR2004466 A1 FR 2004466A1
Authority
FR
France
Prior art keywords
exfoliated vermiculite
vermiculite
coating
subdivided
particles
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.)
Withdrawn
Application number
FR6908461A
Other languages
French (fr)
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.)
MANDOVAL Ltd
Original Assignee
MANDOVAL 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
Priority claimed from GB2701968A external-priority patent/GB1202097A/en
Application filed by MANDOVAL Ltd filed Critical MANDOVAL Ltd
Publication of FR2004466A1 publication Critical patent/FR2004466A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/20—Mica; Vermiculite
    • C04B14/204—Mica; Vermiculite expanded

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Sealing Material Composition (AREA)

Abstract

Vermiculite with particles containing fewer lamellae than the initial particles are prepared by submitting exfoliated vermiculite to a shearing action in a pulveriser. The sub-divided exfoliated vermiculite has width: thickness ratio of at least 3:1, the maximum average width being 6.35 mm. Used, with a binder, as a sealant or coating compsn. In such a coating the flat particles overlap and adjoin so as to render the surface impermeable to gas and liquids; or using a suitable binder may be obtained a flexible coating suitable for articles which slowly expand and contract with heat, e.g. boilers.
FR6908461A 1968-03-21 1969-03-21 Subdivided exfoliated vermiculite Withdrawn FR2004466A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2701968A GB1202097A (en) 1968-03-21 1968-03-21 Improved vermiculite and uses thereof
GB1382568 1968-03-21
GB1741868 1968-04-10
GB1741568 1968-04-10

Publications (1)

Publication Number Publication Date
FR2004466A1 true FR2004466A1 (en) 1969-11-21

Family

ID=27448213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6908461A Withdrawn FR2004466A1 (en) 1968-03-21 1969-03-21 Subdivided exfoliated vermiculite

Country Status (2)

Country Link
DE (1) DE1914323A1 (en)
FR (1) FR2004466A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953357A (en) * 1971-07-15 1976-04-27 Mandoval Vermiculite (Proprietary) Limited Vermiculite products produced by exfoliation pulverization and calcination

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849177C3 (en) * 1978-11-13 1982-04-08 Hans Kramer GmbH & Co KG, 4000 Düsseldorf Process for the production of a reversibly swellable, large-area crystalline three-layer mineral with crystal layers separated from one another
DE4304425A1 (en) * 1993-02-13 1994-08-18 Dernbach Heinrich Gmbh Process and device for manufacturing a sealing composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953357A (en) * 1971-07-15 1976-04-27 Mandoval Vermiculite (Proprietary) Limited Vermiculite products produced by exfoliation pulverization and calcination

Also Published As

Publication number Publication date
DE1914323A1 (en) 1969-10-09

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Legal Events

Date Code Title Description
ST Notification of lapse