GB804756A - Slip-casting processes - Google Patents

Slip-casting processes

Info

Publication number
GB804756A
GB804756A GB3092355A GB3092355A GB804756A GB 804756 A GB804756 A GB 804756A GB 3092355 A GB3092355 A GB 3092355A GB 3092355 A GB3092355 A GB 3092355A GB 804756 A GB804756 A GB 804756A
Authority
GB
United Kingdom
Prior art keywords
slurry
sodium
agents
ionic
alkyl
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
GB3092355A
Inventor
Eric Smith
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.)
Monsanto Chemicals Ltd
Original Assignee
Monsanto Chemicals 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 Monsanto Chemicals Ltd filed Critical Monsanto Chemicals Ltd
Priority to GB3092355A priority Critical patent/GB804756A/en
Publication of GB804756A publication Critical patent/GB804756A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/18—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents
    • B22C1/183—Sols, colloids or hydroxide gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Colloid Chemistry (AREA)

Abstract

A slip-casting process for making refractory articles employs a slurry comprising a finely-divided refractory material, a silica sol, and a minor amount of an organic stabilising agent, the pH of the slurry being such that it remains homogeneous on standing. Refractory materials exemplified are alumina, carborundum, chromite, silica, and silicates such as zirconium silicate and sillimanite. Suitable stabilizing agents are non-ionic and cationic surface-active agents, and gelatine. Non-ionic agents specified are condensates of an alkylene oxide, e.g. ethylene oxide, with fatty alcohols, alylphenols, e.g. an octylcresol, and alkyl mercaptans, e.g. a dodecyl mercaptan. A polyethylene glycol fatty acid ester can also be used. Cationic agents specified are quarternary ammonium salts, e.g. cetyl pyridinium- and cetyl trimethylammonium-bromides. The pH and viscosity of the slurry are controlled by the addition of acid or alkali, or where non-ionic surface-active agents are used by the addition of an onionic surface-active agent, such as an alkylaryl sulphonate, e.g. sodium dodecyl benzene sulphonate; a salt of an alkyl hydrogen sulphate, e.g. sodium lauryl- or sodium cetyl sulphate; or an alkyl sulphosuccinate, e.g. sodium dioctyl sulphosuccinate. Specifications 607,696, 645,703, 649,897, 654,850 and 662,423 [all in Group III] are referred to.
GB3092355A 1955-10-28 1955-10-28 Slip-casting processes Expired GB804756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3092355A GB804756A (en) 1955-10-28 1955-10-28 Slip-casting processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3092355A GB804756A (en) 1955-10-28 1955-10-28 Slip-casting processes

Publications (1)

Publication Number Publication Date
GB804756A true GB804756A (en) 1958-11-19

Family

ID=10315204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3092355A Expired GB804756A (en) 1955-10-28 1955-10-28 Slip-casting processes

Country Status (1)

Country Link
GB (1) GB804756A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191805A (en) * 1976-09-24 1980-03-04 Bfg Glassgroup Method of forming a layer of material from a solution
GB2167741A (en) * 1984-10-16 1986-06-04 Mitsui Toatsu Chemicals Ceramics-forming composition
US4735756A (en) * 1984-10-06 1988-04-05 Didier-Werke Ag Method for producing light-weight molded articles containing ceramic fibers
US4737326A (en) * 1984-12-05 1988-04-12 Didier-Werke Ag Refractory shapes of ceramic fiber-containing material
EP1281697A1 (en) * 2001-07-30 2003-02-05 The Boeing Company Oxide based ceramic matrix composites

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191805A (en) * 1976-09-24 1980-03-04 Bfg Glassgroup Method of forming a layer of material from a solution
US4735756A (en) * 1984-10-06 1988-04-05 Didier-Werke Ag Method for producing light-weight molded articles containing ceramic fibers
GB2167741A (en) * 1984-10-16 1986-06-04 Mitsui Toatsu Chemicals Ceramics-forming composition
US4737326A (en) * 1984-12-05 1988-04-12 Didier-Werke Ag Refractory shapes of ceramic fiber-containing material
EP1281697A1 (en) * 2001-07-30 2003-02-05 The Boeing Company Oxide based ceramic matrix composites

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