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NL7204429A - Thermally insulating material - by impregnating fleece of metal silicate fibres with silica sol gelling in situ without heating - Google Patents

Thermally insulating material - by impregnating fleece of metal silicate fibres with silica sol gelling in situ without heating

Info

Publication number
NL7204429A
NL7204429A NL7204429A NL7204429A NL7204429A NL 7204429 A NL7204429 A NL 7204429A NL 7204429 A NL7204429 A NL 7204429A NL 7204429 A NL7204429 A NL 7204429A NL 7204429 A NL7204429 A NL 7204429A
Authority
NL
Netherlands
Prior art keywords
fleece
impregnating
situ
heating
fibres
Prior art date
Application number
NL7204429A
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 filed Critical
Priority to NL7204429A priority Critical patent/NL7204429A/en
Publication of NL7204429A publication Critical patent/NL7204429A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • B22D7/06—Ingot moulds or their manufacture
    • B22D7/10—Hot tops therefor
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Ceramic Engineering (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

Thermally insulating, cohesive cover material is produced by (a) converting metal silicate fibres and/or zirconium oxide fibres and/or titanium dioxide fibres to wadding or a fleece, (b) impregnating this pdt. with an aqs. silica soln. which has been previously made unstable by adding a sufficient amount of a base or salt of an alkali (ne earth) metal or an ammonium salt, so that the silica sol. gels in situ after impregnation within 24 hrs. after the electrolyte addition without heating, and (c) drying the cover material after gelling has occurred. Used for high temp insulation e.g. for furnace walls. The material is uniform and cohesive, and has a good mechanical strength and sufficient stiffness to remain bonded to surfaces.
NL7204429A 1972-04-04 1972-04-04 Thermally insulating material - by impregnating fleece of metal silicate fibres with silica sol gelling in situ without heating NL7204429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7204429A NL7204429A (en) 1972-04-04 1972-04-04 Thermally insulating material - by impregnating fleece of metal silicate fibres with silica sol gelling in situ without heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7204429A NL7204429A (en) 1972-04-04 1972-04-04 Thermally insulating material - by impregnating fleece of metal silicate fibres with silica sol gelling in situ without heating

Publications (1)

Publication Number Publication Date
NL7204429A true NL7204429A (en) 1972-06-26

Family

ID=19815762

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7204429A NL7204429A (en) 1972-04-04 1972-04-04 Thermally insulating material - by impregnating fleece of metal silicate fibres with silica sol gelling in situ without heating

Country Status (1)

Country Link
NL (1) NL7204429A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004385A2 (en) * 1978-03-29 1979-10-03 Kennecott Corporation Process for forming a refractory fiber article and article obtained by said process
GB2499150A (en) * 2008-11-17 2013-08-07 Boeing Co Improved heat resistance using titanium dioxide nanofibers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004385A2 (en) * 1978-03-29 1979-10-03 Kennecott Corporation Process for forming a refractory fiber article and article obtained by said process
EP0004385A3 (en) * 1978-03-29 1979-10-17 The Carborundum Company Process for forming a refractory fiber article and article obtained by said process
GB2499150A (en) * 2008-11-17 2013-08-07 Boeing Co Improved heat resistance using titanium dioxide nanofibers
GB2499150B (en) * 2008-11-17 2013-11-20 Boeing Co Improved heat resistance using titanium dioxide nanofibers
US8916082B2 (en) 2008-11-17 2014-12-23 The Boeing Company Heat resistance using titanium dioxide nanofibers
US9683362B2 (en) 2008-11-17 2017-06-20 The Boeing Company Heat resistance using titanium dioxide nanofibers

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