GB1067616A – Production of fine-fibred, acid-soluble polymerised substances and their use for the production of non-woven fabrics, paper and cardboard
– Google Patents
GB1067616A – Production of fine-fibred, acid-soluble polymerised substances and their use for the production of non-woven fabrics, paper and cardboard
– Google Patents
Production of fine-fibred, acid-soluble polymerised substances and their use for the production of non-woven fabrics, paper and cardboard
Info
Publication number
GB1067616A
GB1067616A
GB49084/63A
GB4908463A
GB1067616A
GB 1067616 A
GB1067616 A
GB 1067616A
GB 49084/63 A
GB49084/63 A
GB 49084/63A
GB 4908463 A
GB4908463 A
GB 4908463A
GB 1067616 A
GB1067616 A
GB 1067616A
Authority
GB
United Kingdom
Prior art keywords
acid
production
fibres
paper
woven fabrics
Prior art date
1962-03-13
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
GB49084/63A
Inventor
Diethelm Bruening
Hermann Linge
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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.)
1962-03-13
Filing date
1963-12-12
Publication date
1967-05-03
1963-12-12
Application filed by BASF SE, Badische Anilin and Sodafabrik AG
filed
Critical
BASF SE
1967-05-03
Publication of GB1067616A
publication
Critical
patent/GB1067616A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
C08J3/00—Processes of treating or compounding macromolecular substances
C08J3/12—Powdering or granulating
C08J3/14—Powdering or granulating by precipitation from solutions
D—TEXTILES; PAPER
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
D01D5/00—Formation of filaments, threads, or the like
D01D5/06—Wet spinning methods
D—TEXTILES; PAPER
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
D01D5/00—Formation of filaments, threads, or the like
D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H5/00—Special paper or cardboard not otherwise provided for
D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
D21H5/20—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
Abstract
Fine fibres suitable for use in making papers, or cardboards are made by dissolving a polymer in an acid and reprecipitating it by diluting the acid solution with water with the use of a high shearing stress. In the example, polyhexamethylene adipamide is dissolved in sulphuric acid and the solution is dripped into water in a vessel provided with stirring means and baffles. After separation of the fibres, the diluted acid may be concentrated for reuse. Other acids referred to are hydrochloric, phosphoric and formic. Suitable polymers are polyhexamethylene – adipamide, polycaprolactam, polyacrylonitrile and polyethylene terephthalate. The fibres obtained may be processed alone or mixed with other natural or synthetic fibres on a paper-making machine to form non-woven fabrics, papers or cardboards. The fibres can be made to cohere by heating in the presence of water at temperatures below the softening points of the polymers.
GB49084/63A
1962-03-13
1963-12-12
Production of fine-fibred, acid-soluble polymerised substances and their use for the production of non-woven fabrics, paper and cardboard
Expired
GB1067616A
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
DEB0066325
1962-03-13
DEB70091A
DE1244334B
(en)
1962-03-13
1962-12-21
Process for the production of fine-fiber structures from acid-soluble polycondensates
Publications (1)
Publication Number
Publication Date
GB1067616A
true
GB1067616A
(en)
1967-05-03
Family
ID=25966183
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB49084/63A
Expired
GB1067616A
(en)
1962-03-13
1963-12-12
Production of fine-fibred, acid-soluble polymerised substances and their use for the production of non-woven fabrics, paper and cardboard
Country Status (6)
Country
Link
BE
(2)
BE641658A
(en)
CH
(1)
CH430036A
(en)
DE
(1)
DE1244334B
(en)
FR
(2)
FR1350455A
(en)
GB
(1)
GB1067616A
(en)
NL
(2)
NL289740A
(en)
0
NL
NL301125D
patent/NL301125A/xx
unknown
BE
BE629479D
patent/BE629479A/xx
unknown
NL
NL289740D
patent/NL289740A/xx
unknown
1962
1962-12-21
DE
DEB70091A
patent/DE1244334B/en
active
Pending
1963
1963-03-13
FR
FR927800A
patent/FR1350455A/en
not_active
Expired
1963-11-25
CH
CH1441363A
patent/CH430036A/en
unknown
1963-12-12
GB
GB49084/63A
patent/GB1067616A/en
not_active
Expired
1963-12-20
FR
FR957926A
patent/FR84995E/en
not_active
Expired
1963-12-20
BE
BE641658D
patent/BE641658A/xx
unknown
Also Published As
Publication number
Publication date
NL289740A
(en)
CH430036A
(en)
1967-02-15
DE1244334B
(en)
1967-07-13
FR1350455A
(en)
1964-01-24
BE629479A
(en)
NL301125A
(en)
BE641658A
(en)
1964-06-22
FR84995E
(en)
1965-05-21
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None