GB911800A - Nylon monofilaments - Google Patents

Nylon monofilaments

Info

Publication number
GB911800A
GB911800A GB20828/60A GB2082860A GB911800A GB 911800 A GB911800 A GB 911800A GB 20828/60 A GB20828/60 A GB 20828/60A GB 2082860 A GB2082860 A GB 2082860A GB 911800 A GB911800 A GB 911800A
Authority
GB
United Kingdom
Prior art keywords
diameter
mils
filament
beam stiffness
draw ratio
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
GB20828/60A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Priority claimed from US821108A external-priority patent/US3057040A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB911800A publication Critical patent/GB911800A/en
Expired legal-status Critical Current

Links

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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/04—Pigments
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)

Abstract

Nylon monofilaments having a diameter of 3 to 30 mils.; a tensile strength, bearing a linear relationship to the diameter, of at least 110,000 p.s.i. for a diameter of 3 mils. and at least 73,000 p.s.i. for a diameter of 30 mils.; and a beam stiffness of 150,000 to 230,000 p.s.i. over a diameter range of 3 to 30 mils., the beam stiffness bearing a linear relationship to the diameter, are produced by melt spinning a polyamide through a one-orifice spinneret into a liquid quenching bath and drawing the monofilament thus formed at a draw ratio of between 4,8:1 and 5,6:1, whereby its overhand knot strength is increased by at least 18%, the diameter of the spinneret orifice being such that, after drawing, the diameter of the filament is 3 to 30 mils. The filament is preferably drawn in two steps, first at a draw ratio between 4,2:1 and 4,5:1 (preferably 4,3:1) at about 30 DEG -55 DEG C. in a liquid (such as water or trichloroethylene) which will neither attack the filament chemically nor swell or dissolve it, and then at a draw ratio of between 1,15:1 and 1,25:1, preferably 1,2:1, in an oil such as a silicone oil, or a polyalkylene glycol oil at 150 DEG to 165 DEG C. "Beam stiffness" is determined by attaching a weight of W grams to the centre of a filament of diameter D suspended between two supports spaced one inch apart and measuring the resulting deflection d after 30 seconds, the measurement being made in air at 23 DEG C. and 50% relative humidity. The beam stiffness is calculated according to the formula B.S. in p.s.i.=0,00237 W/D4d.
GB20828/60A 1959-06-18 1960-06-14 Nylon monofilaments Expired GB911800A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US821108A US3057040A (en) 1959-06-18 1959-06-18 Monofilaments
US213597A US3156750A (en) 1959-06-18 1962-07-31 Process of producing polycaprolactam monofilaments

Publications (1)

Publication Number Publication Date
GB911800A true GB911800A (en) 1962-11-28

Family

ID=26908225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20828/60A Expired GB911800A (en) 1959-06-18 1960-06-14 Nylon monofilaments

Country Status (2)

Country Link
US (1) US3156750A (en)
GB (1) GB911800A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512294A (en) * 1967-10-16 1970-05-19 Soo Valley Co Fly fishing line having improved elastic memory and improved action in casting
US3640761A (en) * 1969-02-06 1972-02-08 Toyo Boseki Method for attaching additive to polyamide pellets

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334167A (en) * 1963-11-13 1967-08-01 Koppers Co Inc Method and apparatus for preparing pencil pitch
US3376369A (en) * 1964-03-13 1968-04-02 Du Pont Process for making molecular oriented fibers of polymerized lactams
DE1494601C3 (en) * 1964-04-18 1973-01-04 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Beta-polyamide threads and processes for their manufacture
US3342762A (en) * 1964-10-09 1967-09-19 Monsanto Co Polyamide fibers containing lubricant
US3915912A (en) * 1970-03-05 1975-10-28 Asahi Chemical Ind Modified polyamide compositions containing a polyethylene glycol derivative and a fatty acid or fatty acid salt
IT1056302B (en) * 1975-10-17 1982-01-30 Ciferri A PROCESS OF MOLDING OF FIBERS AND MULTI-ORIENTED FILMS OF ALIPHATIC POLYAMIDS HAVING EXCEPTIONAL MECHANICAL PROPERTIES
US4142031A (en) * 1977-10-27 1979-02-27 Toray Industries, Inc. Polycaprolactam composition having improved melt spinnability and method for improving melt spinnability of polycaprolactam
US4247506A (en) * 1978-05-19 1981-01-27 The B. F. Goodrich Company Processing extruded elastomers
JPS5631010A (en) * 1979-08-20 1981-03-28 Toray Ind Inc Production of high knot-strength polyamide monofilament
DE3431271A1 (en) * 1984-08-25 1986-03-06 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING POLYAMIDE MOLDED BODIES
FR2641797B1 (en) * 1988-12-27 1991-05-17 Rhone Poulenc Fibres SYNTHETIC SCENTED MONOFILAMENT HOMO- OR CO-POLYAMIDE BASED AND MANUFACTURING METHOD
CA2088458A1 (en) * 1992-01-30 1993-07-31 Cheng-Kung Liu Polyamide monofilament suture manufactured from higher order polyamide
US5279783A (en) * 1992-01-30 1994-01-18 United States Surgical Corporation Process for manufacture of polyamide monofilament suture
US5456696A (en) * 1993-07-20 1995-10-10 United States Surgical Corporation Monofilament suture and process for its manufacture
DE4336097A1 (en) * 1993-10-22 1995-04-27 Bayer Ag Continuous process for melt spinning monofilament threads
CN106381538A (en) * 2016-11-30 2017-02-08 南京右转信息科技有限公司 Melt spinning device for polypropylene fiber spinning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733122A (en) * 1951-11-30 1956-01-31 vixvi o
GB763746A (en) * 1953-07-15 1956-12-19 Inventa Ag Process for the continuous polymerisation of ª[-caprolactam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512294A (en) * 1967-10-16 1970-05-19 Soo Valley Co Fly fishing line having improved elastic memory and improved action in casting
US3640761A (en) * 1969-02-06 1972-02-08 Toyo Boseki Method for attaching additive to polyamide pellets

Also Published As

Publication number Publication date
US3156750A (en) 1964-11-10

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