GB674137A - Improvements relating to ethyl silicate and to its use in the production of refractory materials - Google Patents

Improvements relating to ethyl silicate and to its use in the production of refractory materials

Info

Publication number
GB674137A
GB674137A GB2400449A GB2400449A GB674137A GB 674137 A GB674137 A GB 674137A GB 2400449 A GB2400449 A GB 2400449A GB 2400449 A GB2400449 A GB 2400449A GB 674137 A GB674137 A GB 674137A
Authority
GB
United Kingdom
Prior art keywords
per cent
ethyl
ethyl silicate
silicon tetrachloride
silicates
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
GB2400449A
Inventor
Harold Garton Emblem
Arthur Edward Meadowcroft
George Eric Stockwell
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
Priority to LU30322D priority Critical patent/LU30322A1/xx
Application filed by Monsanto Chemicals Ltd filed Critical Monsanto Chemicals Ltd
Priority to GB2400449A priority patent/GB674137A/en
Priority to ES0194606A priority patent/ES194606A1/en
Publication of GB674137A publication Critical patent/GB674137A/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
    • B22C1/20—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 organic agents
    • B22C1/205—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 organic agents of organic silicon or metal compounds, other organometallic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/02—Polysilicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention comprises an ethyl silicate such that on distillation at atmospheric pressure under certain defined conditions (without any substantial reflux) 8-16 per cent by volume distils up to 180 DEG C. and 39-55 per cent above 180 DEG C. Such an ester comprises mainly ethyl orthosilicate with a certain amount of di-, tri- and poly-silicates. The preferred composition is such that 12\sB2 per cent (or better \sB0.5 per cent) distils up to 180 DEG C. and 48\sB 2 per cent (or better \sB0.5 per cent) above 180 DEG C. This may be made by (1) adding silicon tetrachloride and ethyl alcohol containing 5-6 per cent of water simultaneously to a small amount of ethyl silicate of the correct composition and heating the mixture, or (2) mixing together (a) an ethyl silicate prepared from silicon tetrachloride and aqueous alcohol, containing large quantities of higher silicates, and (b) pure ethyl orthosilicate prepared from silicon tetrachloride and anhydrous alcohol. Any hydrochloric acid remaining in the product is removed by aeration until its content is below 0.1 per cent by weight, say 0.07 per cent by weight. Examples are given of both methods of preparation. The product may be hydrolysed to gelatinous silicic acid which may be mixed with refractory materials and fired to give silica as a bonding agent (see Group V). Specifications 575,752 and 612,622 are referred to.
GB2400449A 1949-09-17 1949-09-17 Improvements relating to ethyl silicate and to its use in the production of refractory materials Expired GB674137A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
LU30322D LU30322A1 (en) 1949-09-17
GB2400449A GB674137A (en) 1949-09-17 1949-09-17 Improvements relating to ethyl silicate and to its use in the production of refractory materials
ES0194606A ES194606A1 (en) 1949-09-17 1950-09-16 IMPROVEMENTS RELATED TO THE OBTAINING OF ETHYL SILICATE AND ITS USE IN THE PRODUCTION OF REFRACTORY MATERIALS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2400449A GB674137A (en) 1949-09-17 1949-09-17 Improvements relating to ethyl silicate and to its use in the production of refractory materials

Publications (1)

Publication Number Publication Date
GB674137A true GB674137A (en) 1952-06-18

Family

ID=10204851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2400449A Expired GB674137A (en) 1949-09-17 1949-09-17 Improvements relating to ethyl silicate and to its use in the production of refractory materials

Country Status (3)

Country Link
ES (1) ES194606A1 (en)
GB (1) GB674137A (en)
LU (1) LU30322A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027332A (en) * 1953-06-10 1962-03-27 Kanthal Ab Heat resisting materials and methods for their manufacture
DE977500C (en) * 1953-06-27 1966-09-15 Carborundum Werke G M B H Deut Process for the production of ceramic bonds for grinding wheels and grinding tools
US6150550A (en) * 1997-12-15 2000-11-21 Huels Aktiengesellschaft Process for preparing alkoxysilanes
US6323356B1 (en) 1999-11-13 2001-11-27 Degussa-Huels Aktiengesellschaft Process for the preparation of alkoxysilanes
EP1205505A2 (en) * 2000-11-14 2002-05-15 Degussa AG Continous process for preparing organoalkoxysiloxanes
DE102015214502A1 (en) 2015-07-30 2017-02-02 Wacker Chemie Ag Process for the preparation of organopolysiloxanes
WO2017016967A1 (en) 2015-07-30 2017-02-02 Wacker Chemie Ag Process for preparing organopolysiloxanes

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027332A (en) * 1953-06-10 1962-03-27 Kanthal Ab Heat resisting materials and methods for their manufacture
DE977500C (en) * 1953-06-27 1966-09-15 Carborundum Werke G M B H Deut Process for the production of ceramic bonds for grinding wheels and grinding tools
US6150550A (en) * 1997-12-15 2000-11-21 Huels Aktiengesellschaft Process for preparing alkoxysilanes
US6323356B1 (en) 1999-11-13 2001-11-27 Degussa-Huels Aktiengesellschaft Process for the preparation of alkoxysilanes
EP1205505A2 (en) * 2000-11-14 2002-05-15 Degussa AG Continous process for preparing organoalkoxysiloxanes
EP1205505A3 (en) * 2000-11-14 2003-01-22 Degussa AG Continous process for preparing organoalkoxysiloxanes
US6767982B2 (en) 2000-11-14 2004-07-27 Degussa Ag Continuous manufacturing process for organoalkoxysiloxanes
DE102015214502A1 (en) 2015-07-30 2017-02-02 Wacker Chemie Ag Process for the preparation of organopolysiloxanes
WO2017016967A1 (en) 2015-07-30 2017-02-02 Wacker Chemie Ag Process for preparing organopolysiloxanes
DE102015214503A1 (en) 2015-07-30 2017-02-02 Wacker Chemie Ag Process for the preparation of organopolysiloxanes
US9988496B2 (en) 2015-07-30 2018-06-05 Wacker Chemie Ag Method for producing organopolysiloxanes
US10125225B2 (en) 2015-07-30 2018-11-13 Wacker Chemie Ag Process for preparing organopolysiloxanes

Also Published As

Publication number Publication date
LU30322A1 (en)
ES194606A1 (en) 1952-03-01

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