GB1141394A - Slubbed filaments and process for the preparation thereof - Google Patents

Slubbed filaments and process for the preparation thereof

Info

Publication number
GB1141394A
GB1141394A GB35661/66A GB3566166A GB1141394A GB 1141394 A GB1141394 A GB 1141394A GB 35661/66 A GB35661/66 A GB 35661/66A GB 3566166 A GB3566166 A GB 3566166A GB 1141394 A GB1141394 A GB 1141394A
Authority
GB
United Kingdom
Prior art keywords
filaments
polymer
melt
slubbed
shear stress
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
GB35661/66A
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.)
Toray Industries Inc
Original Assignee
Toyo Rayon Co 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
Application filed by Toyo Rayon Co Ltd filed Critical Toyo Rayon Co Ltd
Publication of GB1141394A publication Critical patent/GB1141394A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01D5/20—Formation of filaments, threads, or the like with varying denier along their length
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D02J1/228—Stretching in two or more steps, with or without intermediate steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/08—Fibrillating cellular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

1,141,394. Melt spinning slubbed filaments. TOYO RAYON K.K. 9 Aug., 1966 [9 Aug., 1965; 15 Nov., 1965; 22 July, 1966], No. 35661/66. Heading B5B. Slubbed drawn filaments of a melt-spinnable organic synthetic polymer are characterized in that the ratio of the cross-sectional area of the parts (P) of the filaments between the slubs to that of the slubs (Q) is within the range 1: 2 to 1: 15, preferably within the range 1 :4 to 1:10, and the frequency of the slubs is at least one and preferably 2 per 30 mm. length of the filament, said cross-sectional configuration occurring continuously along the length of the filament. The polymer may be a synthetic homopolyamide, a copolyamide, consisting chiefly of polyamide units or a blend of a polyamide with another polymer, the polyamide component predominating. The polymer may be a polyhexamethylene adipamide or a polycaprolactam, the relative viscosities of the polymers at 25‹ C., measured in 98% by weight sulphuric acid being 2À2 to 6À0 and 2 to 9 respectively. The slubbed filaments may be made by meltspinning the polymer under such conditions that the shear stress to which the melt is subjected during its passage through the or each spinneret orifice is such as to cause the formation of melt fracture, the cooling and solidification of the molten extruded filaments being effected by means of a gaseous cooling medium under non-quenching conditions, and subsequently drawing the filaments. The polymer used may be polyhexamethylene adipamide (nylon-6, 6) having a relative viscosity, # r (measured at 25‹ C. in sulphuric acid of 98% by weight concentration) of from 2À2 to 6À0 and the melt spinning conditions may be such as to exert a shear stress within the range defined by the formula 10<SP>7.5</SP>/#r<SP>1.8</SP>##w#10<SP>6.7</SP>#r<SP>0.87</SP> in which # w ) represents the shear stress (dynes/cm.<SP>2</SP>). Alternatively the polymer used may be polycaprolactam having a relative viscosity of 2-9, and the melt spinning conditions may be such as to exert a shear stress within the range defined by the formula 10<SP>7.7</SP>/#r<SP>1.8</SP>## w #2 x 10<SP>7</SP>.
GB35661/66A 1965-08-09 1966-08-09 Slubbed filaments and process for the preparation thereof Expired GB1141394A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4803765 1965-08-09
JP6978365 1965-11-15
JP4767066 1966-07-22

Publications (1)

Publication Number Publication Date
GB1141394A true GB1141394A (en) 1969-01-29

Family

ID=27293039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35661/66A Expired GB1141394A (en) 1965-08-09 1966-08-09 Slubbed filaments and process for the preparation thereof

Country Status (7)

Country Link
US (1) US3439084A (en)
BE (1) BE685220A (en)
DE (1) DE1660647A1 (en)
ES (1) ES330034A1 (en)
GB (1) GB1141394A (en)
NL (1) NL6611191A (en)
SE (1) SE333212B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030566A1 (en) * 1979-12-06 1981-06-24 Toray Industries, Inc. Pile fabric

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836416A (en) * 1970-01-29 1974-09-17 Alta Ind Non woven thermoplastic fabric
FR2116668A5 (en) * 1970-12-01 1972-07-21 Rhodiaceta
DE2250584A1 (en) * 1971-10-11 1973-04-19 Asahi Chemical Ind MULTIFIL YARN
JPS5247053B2 (en) * 1972-10-16 1977-11-30
US4355075A (en) * 1979-03-27 1982-10-19 Teijin Limited Novel filament-like fibers and bundles thereof, and novel process and apparatus for production thereof
US4414276A (en) * 1980-07-29 1983-11-08 Teijin Limited Novel assembly of composite fibers
DE3163504D1 (en) * 1980-08-18 1984-06-14 Teijin Ltd Process and molding apparatus for producing a fibrous assembly by melt extrusion
DE4029254A1 (en) * 1990-09-14 1992-03-19 Benecke Ag J H METHOD FOR PRODUCING MULTICOLORED SLUSH SKINS AND FORM AND SEPARATING DEVICE FOR CARRYING OUT THE METHOD
CN101454493B (en) * 2006-05-31 2011-08-31 花王株式会社 Stretch nonwoven fabric

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236914A (en) * 1959-05-12 1966-02-22 Canadian Ind Method for rendering polymers compatible
US2991508A (en) * 1959-09-23 1961-07-11 Du Pont Fabrication of thermoplastic resins
BE601890A (en) * 1960-07-01
US3127915A (en) * 1960-07-01 1964-04-07 Phillips Petroleum Co Synthetic knopped filaments
GB928825A (en) * 1961-02-28 1963-06-19 Courtaulds Ltd Improvements in or relating to synthetic filaments
US3303169A (en) * 1962-01-18 1967-02-07 Du Pont High-modulus, high-tenacity, lowshrinkage polyamide yarn
GB1003996A (en) * 1963-09-20 1965-09-08 Ici Ltd Monofilaments
NL6500459A (en) * 1965-01-15 1965-03-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030566A1 (en) * 1979-12-06 1981-06-24 Toray Industries, Inc. Pile fabric

Also Published As

Publication number Publication date
DE1660647A1 (en) 1971-04-22
NL6611191A (en) 1967-02-10
BE685220A (en) 1967-01-16
US3439084A (en) 1969-04-15
SE333212B (en) 1971-03-08
ES330034A1 (en) 1968-03-16

Similar Documents

Publication Publication Date Title
GB1258756A (en)
GB1248293A (en) Heterogeneous artificial filaments and methods for producing said filaments
GB1141394A (en) Slubbed filaments and process for the preparation thereof
GB1493342A (en) Poly(ethylene terephthalate)filaments
GB1124380A (en) Artificial filaments having a male screw shape and method of manufacture thereof
ATE67799T1 (en) PROCESS FOR HIGH-SPEED SPINNING POLYAMIDE FIBERS.
US3457341A (en) Process for spinning mixed filaments
ATE83269T1 (en) METHOD AND DEVICE FOR THE MANUFACTURE OF POLYPROPYLENE THREADS.
CA2137375A1 (en) High speed spun filament yarns based on polycaprolactam and production thereof
GB1063286A (en) Composite filaments
GB1282020A (en) Process for the manufacture of composite synthetic filaments
GB1156251A (en) Process for Melt-Spinning Fibres and Spinnable Compositions for use therein
GB1386406A (en) Melt spinning of synthetic textile filaments
GB1096249A (en) Spontaneously crimping composite filaments and yarns
US2891277A (en) Apparatus for melt spinning filaments which will coalesce
GB565282A (en) Improvements in or relating to the manufacture of artificial threads
GB965729A (en) Improvements relating to the manufacture of filaments
GB1292388A (en) Hollow filaments
US3470686A (en) Polyblend yarns
GB1225697A (en)
US3949043A (en) Manufacture of monofilaments
DE3861035D1 (en) METHOD FOR PRODUCING YARNS BY MELT SPINNING POLYETHYLENE TEREPHTHALATE.
GB973085A (en) Production of polypropylene filamentary materials
GB1157433A (en) Polyester Fibres
DE2322144A1 (en) DYED POLYESTER AND POLYAMIDE