GB1246014A – Method of producing soil resistant polyacrylonitrile fibers
– Google Patents
GB1246014A – Method of producing soil resistant polyacrylonitrile fibers
– Google Patents
Method of producing soil resistant polyacrylonitrile fibers
Info
Publication number
GB1246014A
GB1246014A
GB2580/69A
GB258069A
GB1246014A
GB 1246014 A
GB1246014 A
GB 1246014A
GB 2580/69 A
GB2580/69 A
GB 2580/69A
GB 258069 A
GB258069 A
GB 258069A
GB 1246014 A
GB1246014 A
GB 1246014A
Authority
GB
United Kingdom
Prior art keywords
fibres
finish
filaments
moisture content
bath
Prior art date
1968-01-16
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
GB2580/69A
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 Co
Original Assignee
Monsanto 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.)
1968-01-16
Filing date
1969-01-16
Publication date
1971-09-15
1969-01-16
Application filed by Monsanto Co
filed
Critical
Monsanto Co
1971-09-15
Publication of GB1246014A
publication
Critical
patent/GB1246014A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
D—TEXTILES; PAPER
D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
Abstract
1,246,014. Producing soil resistant polyacrylonitrile fibres. MONSANTO CO. 16 Jan., 1969 [16 Jan., 1968], No. 2580/69. Heading B5B. Polyacrylonitrile textile fibres are treated to render them soil resistant by applying to the wet spun fibres a first finish composition, containing compounds selected from the group consisting of textile lubricants, softeners, antistats, and mixtures thereof, heating and partially drying the fibres, applying to the partially dried hot fibres a soil resistant finish composition containing a zirconium salt in an acidic aqueous solution, and finally drying the fibres to a moisture content of less than 0À5%. The fibres may be partially dried by applying to them sufficient heat to increase their surface temperature to a level higher than about 70 C. The partially dried fibres may have a moisture content of less than about 55% and more than about 5%. The fibres may contain at least 80% acrylonitrile. They may consist of a copolymer of at least about 80% acrylonitrile and up to about 20% of at least one other vinyl monomer such as vinyl acetate. The second finish composition may contain, in addition to the zirconium acetate, sulphamic acid. In an example, a spinning solution comprised of 26 parts by weight of a polymer consisting of 93% acrylonitrile and 7% vinyl acetate, 74 parts of dimethyl-acetamide solvent, and 0À45% based on polymer weight of TiO 2 delusterant is wet spun into an aqueous coagulation bath containing 55% of the solvent and maintained at 40 C. The filaments are withdrawn from the bath, simultaneously washed free from solvent with boiling water and stretched at a stretch ratio of 6. The filaments are then passed through a bath of an aqueous solution of a conventional finish comprising 66% by weight of a lubricating agent containing 60% sorbitan monopalmitate and 40% of castor oil fatty acid with 200 moles of ethylene oxide and 34% of an antistatic agent consisting of soya dimethylaminoethyl etho sulphate. After leaving the finish bath and being stripped of excess finish, the filaments are passed around drying rolls heated to about 150 C. with steam. The moisture content of the filaments is thereby reduced to about 20% and their surface temperature increased to about 83 C. As the tow of filaments proceeds from the last drying roll it is sprayed with a second finish containing in aqueous solution a combination of the first finish and a soil-resistant finish comprised of zirconium acetate and sulphamic acid. The moisture content of the tow is then reduced to about 0À2% by passing it over further drying rolls.
GB2580/69A
1968-01-16
1969-01-16
Method of producing soil resistant polyacrylonitrile fibers
Expired
GB1246014A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US69812068A
1968-01-16
1968-01-16
Publications (1)
Publication Number
Publication Date
GB1246014A
true
GB1246014A
(en)
1971-09-15
Family
ID=24803991
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2580/69A
Expired
GB1246014A
(en)
1968-01-16
1969-01-16
Method of producing soil resistant polyacrylonitrile fibers
Country Status (6)
Country
Link
US
(1)
US3541075A
(en)
BE
(1)
BE726970A
(en)
FR
(1)
FR2000309A1
(en)
GB
(1)
GB1246014A
(en)
IL
(1)
IL31455A
(en)
LU
(1)
LU57787A1
(en)
Families Citing this family (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US7941903B2
(en)
*
2004-02-13
2011-05-17
Mitsubishi Rayon Co., Ltd.
Carbon fiber precursor fiber bundle, production method and production device therefor, and carbon fiber and production method therefor
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3113369A
(en)
*
1960-05-02
1963-12-10
Monsanto Chemicals
Yarn manufacture and products obtained thereby
NL282183A
(en)
*
1961-12-18
US3374100A
(en)
*
1963-10-22
1968-03-19
Sun Chemical Corp
Water repellent compositions
US3384694A
(en)
*
1963-11-21
1968-05-21
Asahi Chemical Ind
Method of producing aligned acrylonitrile polymer filament yarns
US3433008A
(en)
*
1965-11-19
1969-03-18
Du Pont
Bulked yarn
1968
1968-01-16
US
US698120A
patent/US3541075A/en
not_active
Expired – Lifetime
1969
1969-01-16
FR
FR6900694A
patent/FR2000309A1/fr
not_active
Withdrawn
1969-01-16
GB
GB2580/69A
patent/GB1246014A/en
not_active
Expired
1969-01-16
LU
LU57787D
patent/LU57787A1/xx
unknown
1969-01-16
BE
BE726970D
patent/BE726970A/xx
unknown
1969-01-20
IL
IL31455A
patent/IL31455A/en
unknown
Also Published As
Publication number
Publication date
FR2000309A1
(en)
1969-09-05
BE726970A
(en)
1969-07-16
LU57787A1
(en)
1969-08-11
IL31455A
(en)
1972-10-29
US3541075A
(en)
1970-11-17
IL31455A0
(en)
1969-03-27
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