GB1341161A – Treatment of carbon fibres
– Google Patents
GB1341161A – Treatment of carbon fibres
– Google Patents
Treatment of carbon fibres
Info
Publication number
GB1341161A
GB1341161A
GB321172A
GB321172A
GB1341161A
GB 1341161 A
GB1341161 A
GB 1341161A
GB 321172 A
GB321172 A
GB 321172A
GB 321172 A
GB321172 A
GB 321172A
GB 1341161 A
GB1341161 A
GB 1341161A
Authority
GB
United Kingdom
Prior art keywords
fibre
carbon fibre
chlorine
polyacrylonitrile
fibres
Prior art date
1971-01-25
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
GB321172A
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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.)
1971-01-25
Filing date
1972-01-24
Publication date
1973-12-19
1972-01-24
Application filed by Union Carbide Corp
filed
Critical
Union Carbide Corp
1973-12-19
Publication of GB1341161A
publication
Critical
patent/GB1341161A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
D—TEXTILES; PAPER
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
D—TEXTILES; PAPER
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
D01F11/12—Chemical after-treatment of artificial filaments or the like during manufacture of carbon with inorganic substances Intercalation
D01F11/121—Halogen, halogenic acids or their salts
D—TEXTILES; PAPER
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
D01F11/12—Chemical after-treatment of artificial filaments or the like during manufacture of carbon with inorganic substances Intercalation
D01F11/122—Oxygen, oxygen-generating compounds
Abstract
1341161 Treating non-graphitic carbon fibres UNION CARBIDE CORP 24 Jan 1972 [25 Jan 1971] 3211/72 Heading C1A Non-graphitic carbon fibre, i.e. carbon fibre having an essentially amorphous structure and obtained by heating below 2000‹ C., is given improved tensile stength and improved bonding characteristics when utilized in a matrix of a plastics material by being heated in an atmosphere consisting of chlorine and oxygen in an amount of at least 60 volume per cent of chlorine and the balance, i.e. up to 40 volume per cent of oxygen at a temperature of from 1250‹ to 1450‹ C. for a time sufficient to effect a weight loss by the fibre of at least 0À3%. The carbon fibre is derived from a polyacrylonitrile fibre, where the polyacrylonitrile may be a homopolymer or a co-polymer containing at least 85% by wt. of acrylonitrile polymer. The carbon fibre may be heated for a period of from 0-4 to 4 seconds and the weight loss may be as much as 30%. Preferred compositions of the atmosphere are given. The carbon fibre may be derived by heating a polyacrylonitrile fibre at a temperature below 1600‹ C. All or part of the chlorine may be replaced by bromine. The fibres so formed may be coated with resin, e.g. an epoxy resin and formed into a composite.
GB321172A
1971-01-25
1972-01-24
Treatment of carbon fibres
Expired
GB1341161A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US10958871A
1971-01-25
1971-01-25
Publications (1)
Publication Number
Publication Date
GB1341161A
true
GB1341161A
(en)
1973-12-19
Family
ID=22328479
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB321172A
Expired
GB1341161A
(en)
1971-01-25
1972-01-24
Treatment of carbon fibres
Country Status (4)
Country
Link
DE
(1)
DE2203006A1
(en)
FR
(1)
FR2123365B1
(en)
GB
(1)
GB1341161A
(en)
IT
(1)
IT948298B
(en)
1972
1972-01-22
DE
DE19722203006
patent/DE2203006A1/en
active
Pending
1972-01-24
IT
IT4789872A
patent/IT948298B/en
active
1972-01-24
FR
FR7202215A
patent/FR2123365B1/fr
not_active
Expired
1972-01-24
GB
GB321172A
patent/GB1341161A/en
not_active
Expired
Also Published As
Publication number
Publication date
IT948298B
(en)
1973-05-30
DE2203006A1
(en)
1972-08-10
FR2123365B1
(en)
1974-09-13
FR2123365A1
(en)
1972-09-08
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Legal Events
Date
Code
Title
Description
1974-05-01
PS
Patent sealed
1976-08-18
PLNP
Patent lapsed through nonpayment of renewal fees
