GB1197008A - Process for preparing Low Density Graphite Structures - Google Patents

Process for preparing Low Density Graphite Structures

Info

Publication number
GB1197008A
GB1197008A GB2304068A GB2304068A GB1197008A GB 1197008 A GB1197008 A GB 1197008A GB 2304068 A GB2304068 A GB 2304068A GB 2304068 A GB2304068 A GB 2304068A GB 1197008 A GB1197008 A GB 1197008A
Authority
GB
United Kingdom
Prior art keywords
compact
intercalating agent
graphite
low density
graphite structures
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
GB2304068A
Inventor
Franciszek Olstowski
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Priority to GB2304068A priority Critical patent/GB1197008A/en
Publication of GB1197008A publication Critical patent/GB1197008A/en
Expired 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/536—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite based on expanded graphite or complexed graphite
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/522—Graphite
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

1,197,008. Graphite structures. DOW CHEMICAL CO. 15 May, 1968, No. 23040/68. Heading C1A. Vermicular graphite is compressed to form a compact of density at least 40 lb/ft<SP>3</SP> (0À64 g/cc.), the compact is treated with an effective intercalating agent for a time sufficient to allow penetration, and then heated to a temperature of 100-500‹C. to give a low density, low thermal conductivity compact. The intercalating agent may be fuming nitric acid, fuming sulphuric acid, liquid bromine, CrO 2 Cl 2 , aqueous HClO 4 , or a mixture of concentrated sulphuric and concentrated nitric acids. The compression of the graphite is preferably uniaxial, but biaxial, triaxial, radial or isostatic compression may be employed. The treatment with intercalating agent may be accompanied by heating.
GB2304068A 1968-05-15 1968-05-15 Process for preparing Low Density Graphite Structures Expired GB1197008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2304068A GB1197008A (en) 1968-05-15 1968-05-15 Process for preparing Low Density Graphite Structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2304068A GB1197008A (en) 1968-05-15 1968-05-15 Process for preparing Low Density Graphite Structures

Publications (1)

Publication Number Publication Date
GB1197008A true GB1197008A (en) 1970-07-01

Family

ID=10189132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2304068A Expired GB1197008A (en) 1968-05-15 1968-05-15 Process for preparing Low Density Graphite Structures

Country Status (1)

Country Link
GB (1) GB1197008A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017358A (en) * 1988-09-22 1991-05-21 Dir. General, Agency Of Industrial Science And Technology Preparation of elastic graphite materials
FR2677975A1 (en) * 1991-06-19 1992-12-24 Centre Nat Rech Scient Process for preparing expanded carbonaceous materials and the products obtained

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017358A (en) * 1988-09-22 1991-05-21 Dir. General, Agency Of Industrial Science And Technology Preparation of elastic graphite materials
FR2677975A1 (en) * 1991-06-19 1992-12-24 Centre Nat Rech Scient Process for preparing expanded carbonaceous materials and the products obtained

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees