FR2112172B1 - - Google Patents

Info

Publication number
FR2112172B1
FR2112172B1 FR7122866A FR7122866A FR2112172B1 FR 2112172 B1 FR2112172 B1 FR 2112172B1 FR 7122866 A FR7122866 A FR 7122866A FR 7122866 A FR7122866 A FR 7122866A FR 2112172 B1 FR2112172 B1 FR 2112172B1
Authority
FR
France
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
FR7122866A
Other languages
French (fr)
Other versions
FR2112172A1 (en
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to FR7122866A priority Critical patent/FR2112172A1/en
Publication of FR2112172A1 publication Critical patent/FR2112172A1/en
Application granted granted Critical
Publication of FR2112172B1 publication Critical patent/FR2112172B1/fr
Granted 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
    • B01J13/0052—Preparation of gels
    • B01J13/0056—Preparation of gels containing inorganic material and water
    • B01J13/006—Preparation of gels containing inorganic material and water by precipitation, coagulation, hydrolyse coacervation
    • 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
    • B01J13/0052—Preparation of gels
    • B01J13/0065—Preparation of gels containing an organic phase
    • 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
    • B22C1/165—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 in the manufacture of multilayered shell moulds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Paints Or Removers (AREA)
FR7122866A 1971-06-23 1971-06-23 Refractory shell mould - by alternately coating a support with sols of electrically charged colloids and hardeners Granted FR2112172A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7122866A FR2112172A1 (en) 1971-06-23 1971-06-23 Refractory shell mould - by alternately coating a support with sols of electrically charged colloids and hardeners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7122866A FR2112172A1 (en) 1971-06-23 1971-06-23 Refractory shell mould - by alternately coating a support with sols of electrically charged colloids and hardeners

Publications (2)

Publication Number Publication Date
FR2112172A1 FR2112172A1 (en) 1972-06-16
FR2112172B1 true FR2112172B1 (en) 1974-05-31

Family

ID=9079139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7122866A Granted FR2112172A1 (en) 1971-06-23 1971-06-23 Refractory shell mould - by alternately coating a support with sols of electrically charged colloids and hardeners

Country Status (1)

Country Link
FR (1) FR2112172A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999103B1 (en) * 2012-12-07 2015-04-10 Salis Neuville COMPOSITION FOR REALIZING A CARAPLE OF A PERISHED WAX MOLD
EP3694640B1 (en) * 2017-10-13 2022-05-04 Basf Se Core-shell expanding agents and their use in cementitious systems
CN115894059B (en) * 2022-11-28 2024-04-02 航天特种材料及工艺技术研究所 Short-period preparation process method of fiber reinforced silica composite ceramic material

Also Published As

Publication number Publication date
FR2112172A1 (en) 1972-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse